CN210913225U - Automatic labeling machine - Google Patents

Abstract

The utility model discloses an automatic labeling machine, which comprises a bearing platform, a label feeder, a vacuum chuck, an X-axis driving mechanism, a Z-axis driving mechanism, a pressure sensor and a controller, wherein the bearing platform is provided with a labeling position; the label feeding device is provided with a feeding position, and the feeding position and the labeling position are arranged along an X axis; the X-axis driving mechanism is used for driving the Z-axis driving mechanism to drive the vacuum chuck to reciprocate on the X axis so as to enable the vacuum chuck to move to a labeling position or a loading position; when the vacuum chuck moves to the upper material level, the vacuum chuck can descend under the drive of the Z-axis driving mechanism to suck the label, and when the vacuum chuck moves to the label sticking position, the vacuum chuck can be pressed down under the drive of the Z-axis driving mechanism to stick the label to a product to be labeled; the pressure sensor is used for detecting the bonding pressure applied to the product by the vacuum chuck, and the controller can control the movement of the Z-axis driving mechanism according to the bonding pressure. The utility model discloses but accurate control laminating pressure has improved and has pasted the mark yield.

Description

Automatic labeling machine

technical field

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

Background technique

In the production and processing process, it is usually necessary to attach a label (such as RFID) on the surface of the product. In the past, the staff manually took the label and then attached the label to the designated position on the surface of the product. The work efficiency is low, the labor cost is high, and the labeling quality is not uniform.

In order to overcome the above problems, a labeling machine is usually used to automatically label products, but the existing labeling machine cannot accurately control the amount of labeling applied by its laminating head on the product when attaching the label to the product. When the lamination pressure is too large, the product is easy to be crushed. When the lamination pressure is too small, the label cannot be firmly attached to the product, and the label lamination yield is low.

Utility model content

The purpose of the present utility model is to provide an automatic labeling machine which can precisely control its bonding pressure, so as to ensure the bonding quality.

In order to achieve the above purpose, the present utility model provides an automatic labeling machine, which includes a carrying table, a label feeder, a vacuum suction cup, an X-axis driving mechanism, a Z-axis driving mechanism, a pressure sensor and a controller; wherein, the carrying table There is a labeling position on it; the label feeder is provided with a feeding position, and the feeding position and the labeling position are arranged along the X-axis; the Z-axis driving mechanism is connected to the X-axis driving mechanism. At the output end, the X-axis drive mechanism is used to drive the Z-axis drive mechanism to drive the vacuum suction cup to reciprocate on the X-axis, so that the vacuum suction cup moves to the labeling position or the material loading position, The Z-axis drive mechanism is used to drive the vacuum suction cup to reciprocate on the Z-axis; when the vacuum suction cup moves to the material loading level, it can be driven by the Z-axis drive mechanism to descend and pick up labels, and move to the desired position. In the labeling position, the label can be pressed down under the drive of the Z-axis drive mechanism to attach the label to the product to be labelled; the pressure sensor is used to detect the attaching pressure exerted by the vacuum suction cup on the product , the controller can control the movement of the Z-axis driving mechanism according to the fitting pressure.

Preferably, the Z-axis driving mechanism includes an elastic member and a Z-axis driving assembly for driving the vacuum suction cup to move on the Z-axis, and the elastic member is arranged between the vacuum suction cup and the Z-axis driving assembly. .

More preferably, the elastic member is a spring.

Preferably, the Z-axis drive mechanism includes a Z-axis drive assembly and two W-axis drive assemblies, and the Z-axis drive assembly can drive the two W-axis drive assemblies on the X-axis under the drive of the X-axis drive mechanism. For reciprocating motion, the two W-axis drive assemblies are arranged side by side along the X-axis, the output end of each W-axis drive assembly is mounted with the vacuum suction cup, and the Z-axis drive assembly is used to drive the two W-axis drives The components reciprocate on the Z-axis at the same time, and each W-axis driving component is used to drive the vacuum suction cup connected to its output end to reciprocate on the Z-axis.

Preferably, the Z-axis drive assembly includes a first drive motor, a lead screw shaft connected to the output end of the first drive motor, a lead screw nut provided on the lead screw shaft, and a lead screw nut provided on the lead screw shaft. The first slider and the first slide rail arranged along the Z axis, the screw shaft is arranged along the Z axis, the two W-axis drive assemblies are connected with the first slider, and the screw nut can be Driven by the first driving motor, the first sliding block is driven to reciprocate linearly along the Z-axis along the first slide rail, so as to drive the two W-axis driving assemblies by the first sliding block.

More preferably, the W-axis drive assembly includes a rotating motor, and the rotating motor is used to drive the vacuum suction cup to rotate and pre-condition when the vacuum suction cup moves to above the material loading level and/or the labeling position. Set the angle.

Preferably, the W-axis drive assembly further includes a drive cylinder connected to the output end of the rotating electrical machine, a first rotating shaft connected to the output end of the drive cylinder, and an elastic member located below the first rotating shaft. and a second rotating shaft connected to the lower end of the elastic member, the vacuum suction cup is connected to the lower end of the second rotating shaft, and the driving cylinder is used to drive the vacuum suction cup to move on the Z-axis.

Preferably, the X-axis driving mechanism includes a second driving motor, a driving wheel sleeved on the output shaft of the second driving motor, a driven wheel arranged opposite the driving wheel on the X-axis, and a driving wheel arranged along the X-axis. The belt and the second sliding rail and the second sliding block matched with the second sliding rail, the belt is tightly wound around the driving wheel and the driven wheel, and the second sliding block has a sandwiched A clamping part of the belt, the Z-axis driving mechanism is connected with the second sliding block, the second driving motor drives the driving pulley to make the belt link the second sliding block, so as to The second sliding block drives the Z-axis drive mechanism to move on the X-axis.

Preferably, the automatic labeling machine further comprises two Y-axis drive mechanisms arranged on the carrying platform, and the two Y-axis drive mechanisms are arranged side by side along the X-axis on opposite sides of the label feeder, Each of the Y-axis driving mechanisms is provided with a positioning jig for positioning products, and the Y-axis driving mechanism is used to drive the positioning jig to reciprocate on the Y-axis to deliver the products to be labeled to the The labeling station or the labelled product is sent out from the labeling station.

Preferably, the automatic labeling machine also includes a frame, the frame includes the horizontally arranged bearing platform and a ㄇ-shaped mounting frame, the mounting frame includes two vertical plates arranged along the Z axis and A horizontal plate arranged along the X-axis, the two vertical plates are fixedly installed on opposite sides of the bearing platform, the horizontal plates are connected between the two vertical plates, the X-axis drive mechanism and the Z-axis drive A mechanism is mounted on the cross plate.

Compared with the prior art, the automatic labeling machine of the present utility model drives the vacuum suction cup to move to the material loading position through the X-axis drive mechanism, and then drives the vacuum suction cup to descend and absorb the labels through the Z-axis drive mechanism, so as to realize automatic feeding; The shaft drive mechanism drives the vacuum suction cup to move to the labeling position, and then the Z-axis drive mechanism drives the vacuum suction cup to press down to attach the label to the product, realizing automatic labeling. Compared with the traditional manual labeling method, this method can improve the The labeling efficiency is improved and the labor cost is reduced; moreover, in the process of sticking the label on the product by the vacuum suction cup, the pressure sensor also detects the bonding pressure exerted by the vacuum suction cup on the product, and the controller controls Z according to the bonding pressure. The shaft drive mechanism can fine-tune the vacuum suction cup up and down, so as to precisely control the lamination pressure, which can not only prevent the product or label from being damaged due to excessive lamination pressure, but also ensure that the label can be firmly attached to the product, which improves the labeling yield.

Description of drawings

FIG. 1 is a schematic three-dimensional structure diagram of an automatic labeling machine according to an embodiment of the present invention.

FIG. 2 is a schematic structural diagram of the automatic labeling machine shown in FIG. 1 after removing part of the protective cover.

FIG. 3 is a schematic structural diagram of an X-axis drive mechanism and a Z-axis drive mechanism.

FIG. 4 is a schematic structural diagram of another angle of the X-axis driving mechanism and the Z-axis driving mechanism.

FIG. 5 is a schematic structural diagram of another angle of the X-axis drive mechanism and the Z-axis drive mechanism.

FIG. 6 is a schematic diagram of the structure of the W-axis drive assembly and the vacuum suction cup.

FIG. 7 is a schematic structural diagram of a Y-axis drive mechanism.

FIG. 8 is a schematic structural diagram of another angle of the Y-axis drive mechanism.

Detailed ways

In order to describe the technical content and structural features of the present utility model in detail, further description is given below with reference to the embodiments and the accompanying drawings.

In the description of the present invention, it should be understood that the terms "up", "down", "left", "right", "X-axis", "Y-axis", "Z-axis" and the like indicate the orientation or position The relationship is based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, and therefore should not be construed as a limitation on the protection content of the present invention.

Please refer to FIGS. 1 to 8 , the automatic labeling machine 100 disclosed by the present utility model includes a bearing table 11 , a label feeder 2 , a vacuum suction cup 3 , an X-axis driving mechanism 4 , a Z-axis driving mechanism 5 , a pressure sensor 6 and a control The label feeder 2 is provided with a material feeding position, and the feeding position and the labeling position are arranged along the X axis; the Z axis drive mechanism 5 is connected to the X axis The output end of the shaft drive mechanism 4, the X-axis drive mechanism 4 is used to drive the Z-axis drive mechanism 5 to drive the vacuum suction cup 3 to reciprocate on the X-axis, so that the vacuum suction cup 3 moves to the labeling position or the material loading position, and the Z-axis drive The mechanism 5 is used to drive the vacuum suction cup 3 to reciprocate on the Z-axis; when the vacuum suction cup 3 moves to the feeding position, it can be driven down by the Z-axis drive mechanism 5 to pick up the label, and when it moves to the labeling position, it can be moved to the Z-axis drive mechanism 5. The label is attached to the product 200 to be labelled by pressing down under the drive of the sensor; the pressure sensor 6 is used to detect the attaching pressure exerted by the vacuum suction cup 3 on the product 200, and the controller can control the Z-axis drive mechanism 5 according to the attaching pressure. Movement, so that the fitting pressure exerted by the vacuum chuck 3 on the product 200 is maintained at a predetermined pressure value. For example, when the fitting pressure detected by the pressure sensor 6 is greater than the preset pressure value, the controller controls the Z-axis drive mechanism 5 along the Z axis When the vacuum suction cup 3 is fine-tuned in the axial direction, when the bonding pressure detected by the pressure sensor 6 is less than the preset pressure value, the controller controls the Z-axis drive mechanism 5 to fine-tune the vacuum suction cup 3 downward along the Z-axis.

Please refer to FIG. 1, specifically, the automatic labeling machine 100 includes a frame 1, and the frame 1 includes a horizontally arranged bearing platform 11 and a ㄇ-shaped mounting frame 12, and the mounting frame 12 includes two vertical shafts arranged along the Z axis. The plate 121 and a horizontal plate 122 arranged along the X axis, the two vertical plates 121 are fixed on the opposite sides of the bearing platform 11, the horizontal plate 122 is connected between the two vertical plates 121, the X axis driving mechanism 4 and the Z axis driving mechanism 5 is mounted on the horizontal plate 122. With this design, the mounting frame 12 can stably support the X-axis driving mechanism 4 and the Z-axis driving mechanism 5 , thereby making the overall structure of the automatic labeling machine 100 more stable.

Please refer to FIGS. 3 to 5 . Specifically, the X-axis driving mechanism 4 includes a second driving motor 41 , a driving wheel 42 sleeved on the output shaft of the second driving motor 41 , and a driving wheel 42 opposite to the driving wheel 42 on the X-axis. The driving wheel 43, the belt 44 and the second sliding rail 45 arranged along the X axis, and the second sliding block 46 matched with the second sliding rail 45, the belt 44 is tightly wound around the driving wheel 42 and the driven wheel 43, the second sliding The block 46 has a clamping portion 461 clamped on the belt 44, the Z-axis driving mechanism 5 is connected with the second sliding block 46, and the second driving motor 41 is used to drive the driving pulley 42 to rotate so that the belt 44 is wound around the driving pulley 42 and the driven pulley 43 moves, so that the second slider 46 moves along the X-axis with the belt 44, thereby driving the Z-axis drive mechanism 5 to move on the X-axis. In this embodiment, two opposite sides of the belt 44 are provided with a second sliding rail 45 , and the second sliding block 46 is slidably matched with the two second sliding rails 45 .

Please refer to FIGS. 3 to 7 . Specifically, the Z-axis drive mechanism 5 includes an elastic member 526 and a Z-axis drive assembly 51 for driving the vacuum suction cup 3 to move on the Z-axis. The elastic member 526 is provided between the vacuum suction cup 3 and the Z-axis. Between the driving components 51, through the arrangement of the elastic member 526, when the vacuum suction cup 3 attaches the label to the product 200, there is a flexible contact between the vacuum suction cup 3 and the product 200, which can prevent the vacuum suction cup 3 from crushing the product 200 and preventing the product 200 from being crushed. Damage to the driver of the Z-axis drive mechanism 5 . Preferably, the elastic member 526 is a spring, but should not be limited thereto.

Further, the Z-axis drive mechanism 5 also includes two W-axis drive assemblies 52 , the Z-axis drive assemblies 51 are connected to the second slider 46 , the two W-axis drive assemblies 52 are connected to the Z-axis drive assemblies 51 , and the Z-axis drive assemblies 51 Driven by the second slider 46, it can reciprocate on the X-axis, thereby linking the two W-axis drive assemblies 52. The two W-axis drive assemblies 52 are arranged side by side along the X-axis, and the output end of each W-axis drive assembly 52 is installed. There is a vacuum suction cup 3, the Z-axis drive assembly 51 is used to drive two W-axis drive assemblies 52 to reciprocate on the Z-axis, and each W-axis drive assembly 52 is used to drive the vacuum suction cup 3 connected to its output end to reciprocate on the Z-axis sports. Through the arrangement of the two W-axis drive assemblies 52, the automatic labeling machine 100 can label two products 200 in one operation stroke, which shortens the movement strokes of the various driving mechanisms of the automatic labeling machine 100, thereby reducing the number of each product 200. The time it takes to label the product 200 improves the labeling efficiency.

Please refer to FIGS. 3 to 5 . More specifically, the Z-axis drive assembly 51 includes a first drive motor 511 , a screw shaft 512 connected to the output end of the first drive motor 511 , and a screw nut 513 provided on the screw shaft 512 , the first sliding block 514 arranged on the screw nut 513 and the first sliding rail 515 arranged along the Z-axis, the screw shaft 512 is arranged along the Z-axis, and the two W-axis drive assemblies 52 pass through the fixing frame 527 and the first sliding block 514 Fixed, the screw nut 513 can drive the first sliding block 514 to move along the first sliding rail 515 under the driving of the first driving motor 511 , so that the two W-axis driving assemblies 52 and the first sliding block 514 can simultaneously make a straight line on the Z-axis Reciprocating motion. In this embodiment, the Z-axis drive assembly 51 further includes a driving pulley 516 sleeved on the output shaft of the first driving motor 511 , a driven pulley 517 , and a belt 518 tightly wound around the driving pulley 516 and the driven pulley 517 , the screw shaft 512 is connected with the driven wheel 517 , when the first driving motor 511 drives the driving wheel 516 to rotate, it will drive the belt 518 to make the driven wheel 517 rotate, thereby linking the screw shaft 512 .

Referring to FIG. 6 , specifically, the W-axis drive assembly 52 includes a rotary motor 521 , a driving cylinder 522 connected to the output end of the rotary motor 521 , a first rotary shaft 523 connected to the output end of the driving cylinder 522 , and a first rotary shaft 523 located on the first rotary shaft 523 . The second rotating shaft 524 below and the sleeve 525 sleeved outside the first rotating shaft 523 and the second rotating shaft 524, the pressure sensor 6 is arranged between the elastic member 526 and the first rotating shaft 523, the second rotating shaft 524 is connected to the lower end of the elastic member 526, the vacuum suction cup 3 is connected to the lower end of the second rotating shaft 524, and the rotary motor 521 is used to drive the vacuum suction cup 3 to rotate when the vacuum suction cup 3 moves to the top of the upper material level and/or the labeling position. Setting the angle, the driving cylinder 522 is used to drive the vacuum suction cup 3 to move in the Z-axis. Through the setting of the rotating motor 521, when the incoming direction of the label at the feeding position is inconsistent with the labeling direction of the labeling position, the vacuum suction cup 3 can be driven to drive the label to rotate by a preset angle, so that the vacuum suction cup 3 can be labeled according to the correct label. The orientation fits the label onto the product 200.

Please refer to FIG. 1 . Specifically, the automatic labeling machine 100 further includes two Y-axis driving mechanisms 7 arranged on the bearing platform 11 , and the two Y-axis driving mechanisms 7 are arranged side by side along the X-axis on opposite sides of the label feeder 2 . , each Y-axis drive mechanism 7 is provided with a positioning fixture 8 for positioning the product 200, and the Y-axis drive mechanism 7 is used to drive the positioning fixture 8 to reciprocate on the Y-axis to transport the product 200 to be labeled to the label The labeling station or the labelled product 200 is delivered from the labeling station. Through the arrangement of the two Y-axis drive mechanisms 7, the products 200 to be labelled are automatically transported to the labeling position and the finished products 200 are automatically sent out from the labeling position, thereby reducing labor costs.

Please refer to FIG. 7 and FIG. 8. More specifically, the Y-axis drive mechanism 7 includes a third drive motor 71, a driving wheel 72 sleeved on the output shaft of the third driving motor 71, and a driving wheel 72 opposite to the driving wheel 72 on the Y-axis. The driven pulley 73, the belt 74 and the third sliding rail 75 arranged along the Y axis, and the third sliding block 76 matched with the third sliding rail 75, the belt 74 is tightly wound around the driving pulley 72 and the driven pulley 73, the third The slider 76 has a clamping portion 761 clamped on the belt 74 , the positioning fixture 8 is arranged on the third slider 76 , and the third drive motor 71 drives the driving pulley 72 to rotate so that the belt 74 is wound around the driving pulley 72 and the driven pulley 73 Therefore, the third sliding block 76 moves along the Y-axis with the belt 74, thereby driving the positioning fixture 8 to move along the Y-axis. In this embodiment, a third sliding rail 75 is provided on opposite sides of the belt 74 , and the third sliding block 76 is slidably matched with the two third sliding rails 75 .

The working process of the automatic labeling machine 100 is described below by taking the specific embodiment of the present invention as an example. In the following, for the convenience of description, the Y-axis drive mechanism 7, the rotary motor 521, the drive cylinder 522, the vacuum suction cup 3, The labeling positions are respectively called A-side Y-axis drive mechanism 7, rotary motor 521, driving cylinder 522, vacuum suction cup 3, labeling position and B-side Y-axis driving mechanism 7, rotary motor 521, driving cylinder 522, vacuum suction cup 3 , labeling position.

First, the product 200 is transported to the labeling position on the A side through the A-side Y-axis drive mechanism 7; then, the A-side vacuum suction cup 3 is driven by the X-axis drive mechanism 4 to move to the upper material position, and the Z-axis drive assembly 51 drives the A-side, B-side The side vacuum pad 3 descends, and the A-side rotary motor 521 drives the A-side vacuum pad 3 to rotate by a preset angle. Then, the X-axis drive mechanism 4 drives the B-side vacuum suction cup 3 to move to the upper material level, the B-side rotary motor 521 drives the B-side vacuum suction cup 3 to rotate by a preset angle, and the B-side driving cylinder 522 drives the B-side vacuum suction cup. 3. Lower and suck the label, and then the B-side driving cylinder 522 drives the B-side vacuum suction cup 3 to rise to the original position; then, the X-axis drive mechanism 4 drives the A-side vacuum suction cup 3 to move to the A-side labeling position, and the A-side rotary motor 521 drives A After the side vacuum suction cup 3 rotates by a preset angle, the A-side driving cylinder 522 drives the A-side vacuum suction cup 3 to descend to attach the label to the product 200, and then the A-side driving cylinder 522 drives the A-side vacuum suction cup 3 to rise to the original position, and then A The side Y-axis driving mechanism 7 sends the product 200 from the labeling position on the A side; during this process, the B-side Y-axis driving mechanism 7 transports the product 200 to the B-side labeling position; then, the X-axis driving mechanism 4 drives the B side The vacuum suction cup 3 moves to the labeling position on the B side. After the B-side rotary motor 521 drives the B-side vacuum suction cup 3 to rotate by a preset angle, the B-side driving cylinder 522 drives the B-side vacuum suction cup 3 to descend to attach the label to the product 200 , and then The B-side driving cylinder 522 drives the B-side vacuum suction cup 3 to rise to the original position, and then the B-side Y-axis driving mechanism 7 sends the product 200 from the B-side labeling position.

Compared with the prior art, the automatic labeling machine 100 of the present invention drives the vacuum suction cup 3 to move to the material loading position through the X-axis drive mechanism 4, and then drives the vacuum suction cup 3 to descend and suck the label through the Z-axis drive mechanism 5, thereby realizing automatic loading. Then, the X-axis drive mechanism 4 drives the vacuum suction cup 3 to move to the labeling position, and then the Z-axis drive mechanism 5 drives the vacuum suction cup 3 to press down to stick the label on the product 200, thereby realizing automatic labeling. The traditional manual labeling method can improve the labeling efficiency and reduce the labor cost; moreover, in the process of the vacuum suction cup 3 sticking the label on the product 200, the pressure sensor 6 also detects that the vacuum suction cup 3 is applied on the product 200. The bonding pressure on the product 200, the controller controls the Z-axis drive mechanism 5 to fine-tune the vacuum suction cup 3 up and down according to the bonding pressure, so as to precisely control the bonding pressure, which can not only prevent the product 200 or the label from being damaged due to excessive bonding pressure, It can also ensure that the label can be firmly attached to the product 200, thereby improving the labeling yield.

The above disclosures are only preferred examples of the present invention, and cannot limit the scope of the rights of the present invention. Therefore, the equivalent changes made according to the claims of the present invention all belong to the scope covered by the present invention.

Claims (10)

1. An automatic labeling machine is characterized by comprising a bearing platform, a label feeder, a vacuum chuck, an X-axis driving mechanism, a Z-axis driving mechanism, a pressure sensor and a controller, wherein,

the bearing table is provided with a label sticking position;

the label loading device is provided with a loading position, and the loading position and the labeling position are arranged along an X axis;

the Z-axis driving mechanism is connected to the output end of the X-axis driving mechanism, the X-axis driving mechanism is used for driving the Z-axis driving mechanism to drive the vacuum chuck to reciprocate on the X axis so as to enable the vacuum chuck to move to the labeling position or the loading position, and the Z-axis driving mechanism is used for driving the vacuum chuck to reciprocate on the Z axis;

when the vacuum sucker moves to the loading position, the vacuum sucker can descend under the drive of the Z-axis driving mechanism to suck a label, and when the vacuum sucker moves to the label sticking position, the vacuum sucker can be pressed down under the drive of the Z-axis driving mechanism to stick the label to a product to be labeled;

the pressure sensor is used for detecting the bonding pressure applied to a product by the vacuum chuck, and the controller can control the movement of the Z-axis driving mechanism according to the bonding pressure.

2. An automatic labelling machine according to claim 1, wherein said Z-axis drive mechanism comprises a resilient member and a Z-axis drive assembly for driving said vacuum chuck in a Z-axis movement, said resilient member being disposed between said vacuum chuck and said Z-axis drive assembly.

3. An automatic labelling machine as claimed in claim 2, characterised in that said elastic member is a spring.

4. An automatic labelling machine according to claim 1, wherein said Z-axis drive mechanism comprises a Z-axis drive assembly and two W-axis drive assemblies, said Z-axis drive assembly is driven by said X-axis drive mechanism to reciprocate said two W-axis drive assemblies in the X-axis direction, said two W-axis drive assemblies are arranged side by side along the X-axis direction, an output end of each of said W-axis drive assemblies is provided with a vacuum chuck, said Z-axis drive assembly is used for driving said two W-axis drive assemblies to reciprocate in the Z-axis direction, and each of said W-axis drive assemblies is used for driving said vacuum chuck connected to an output end of said W-axis drive assembly to reciprocate in the Z-axis direction.

5. An automatic labeling machine according to claim 4 wherein said Z-axis driving assembly comprises a first driving motor, a screw shaft connected to an output end of said first driving motor, a screw nut provided on said screw shaft, a first slider provided on said screw nut, and a first slide rail provided along the Z-axis, said screw shaft is provided along the Z-axis, two said W-axis driving assemblies are connected to said first slider, said screw nut is driven by said first driving motor to drive said first slider to reciprocate linearly along said first slide rail in the Z-axis, so as to drive two said W-axis driving assemblies via said first slider.

6. An automatic labelling machine according to claim 4, wherein said W-axis drive assembly comprises a rotary motor for driving said vacuum cups to rotate a preset angle when said vacuum cups are moved above said loading level and/or said labelling level.

7. The automatic labeling machine according to claim 6, wherein said W-axis driving assembly further comprises a driving cylinder connected to an output end of said rotary motor, a first rotation shaft connected to an output end of said driving cylinder, an elastic member located below said first rotation shaft, and a second rotation shaft connected to a lower end of said elastic member, said vacuum chuck being connected to a lower end of said second rotation shaft, said driving cylinder being for driving said vacuum chuck to move in the Z-axis.

8. An automatic labeling machine according to claim 1 wherein said X-axis driving mechanism comprises a second driving motor, a driving wheel sleeved on an output shaft of said second driving motor, a driven wheel disposed opposite to said driving wheel in the X-axis, a belt and a second slide rail disposed along the X-axis, and a second slide block engaged with said second slide rail, said belt is tightly wound around said driving wheel and said driven wheel, said second slide block has a clamping portion clamped on said belt, said Z-axis driving mechanism is connected to said second slide block, said second driving motor drives said driving wheel to drive said belt to link said second slide block, so that said second slide block drives said Z-axis driving mechanism to move in the X-axis.

9. An automatic labeling machine according to claim 1 further comprising two Y-axis driving mechanisms disposed on said carrier, said two Y-axis driving mechanisms being disposed side by side along the X-axis on opposite sides of said label loader, each of said Y-axis driving mechanisms having a positioning fixture for positioning the product, said Y-axis driving mechanism being configured to drive said positioning fixture to reciprocate in the Y-axis for conveying the product to be labeled to said labeling station or for discharging the product after labeling from said labeling station.

10. An automatic labelling machine according to claim 1, further comprising a frame including said carrier in a horizontal configuration and a u-shaped mounting bracket, said mounting bracket including two risers disposed along the Z-axis and a transverse plate disposed along the X-axis, said risers being fixedly mounted on opposite sides of said carrier, said transverse plate being connected between said risers, said X-axis drive mechanism and said Z-axis drive mechanism being mounted on said transverse plate.

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