CN210913225U

CN210913225U - Automatic labeling machine

Info

Publication number: CN210913225U
Application number: CN201921900001.6U
Authority: CN
Inventors: 刘晓强
Original assignee: Dongguan Huabei Electronic Technology Co Ltd
Current assignee: Dongguan Huabei Electronic Technology Co Ltd
Priority date: 2019-11-05
Filing date: 2019-11-05
Publication date: 2020-07-03
Anticipated expiration: 2029-11-05

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 a paste mark equipment technical field, especially relate to an automatic labeling machine.

Background

During the manufacturing process, it is usually necessary to apply labels (e.g., RFID) to the surface of the product. In the past, the labels are stuck to the designated positions on the surfaces of the products after being manually taken by workers, so that the working efficiency is low, the labor cost is high, the labeling quality is not uniform, and the problems that the labels are not firmly stuck to the products, the labels are inclined and dislocated and the like easily occur.

In order to overcome the problems, the labeling machine is usually adopted to automatically label the product, but the existing labeling machine cannot accurately control the laminating pressure exerted on the product by the laminating pressure head when the label is laminated on the product, when the laminating pressure is too large, the product is easily crushed, when the laminating pressure is too small, the label cannot be stably laminated on the product, and the label laminating yield is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can its laminating pressure's of accurate control automatic labeling machine to ensure the laminating quality.

In order to achieve the purpose, the utility model provides 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 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.

Preferably, the Z-axis driving mechanism includes an elastic member and a Z-axis driving assembly for driving the vacuum chuck to move in the Z-axis, and the elastic member is disposed between the vacuum chuck and the Z-axis driving assembly.

More preferably, the elastic member is a spring.

Preferably, the Z-axis driving mechanism includes a Z-axis driving assembly and two W-axis driving assemblies, the Z-axis driving assembly can drive the two W-axis driving assemblies to reciprocate on the X-axis under the driving of the X-axis driving mechanism, the two W-axis driving assemblies are arranged side by side along the X-axis, an output end of each W-axis driving assembly is provided with one vacuum chuck, the Z-axis driving assembly is used for driving the two W-axis driving assemblies to reciprocate on the Z-axis at the same time, and each W-axis driving assembly is used for driving the vacuum chuck connected to an output end of the W-axis driving assembly to reciprocate on the Z-axis.

Preferably, the Z-axis driving assembly includes a first driving motor, a screw shaft connected to an output end of the first driving motor, a screw nut disposed on the screw shaft, a first slider disposed on the screw nut, and a first slide rail disposed along the Z-axis, the screw shaft is disposed along the Z-axis, the two W-axis driving assemblies are connected to the first slider, and the screw nut can drive the first slider to reciprocate linearly along the first slide rail on the Z-axis under the driving of the first driving motor, so that the first slider drives the two W-axis driving assemblies.

Preferably, the W-axis driving assembly includes a rotary motor for driving the vacuum chuck to rotate by a preset angle when the vacuum chuck moves to the upper position and/or the upper position of the labeling position.

Preferably, the W-axis driving assembly further includes a driving cylinder connected to an output end of the rotating motor, a first rotating shaft connected to an output end of the driving cylinder, an elastic member located below the first rotating shaft, and a second rotating shaft connected to a lower end of the elastic member, the vacuum chuck is connected to a lower end of the second rotating shaft, and the driving cylinder is configured to drive the vacuum chuck to move in the Z-axis.

Preferably, the X-axis driving mechanism includes a second driving motor, a driving wheel sleeved on an output shaft of the second driving motor, a driven wheel arranged opposite to the driving wheel on the X-axis, a belt and a second slide rail arranged along the X-axis, and a second slider engaged with the second slide rail, the belt is tightly wound around the driving wheel and the driven wheel, the second slider has a clamping portion clamped on the belt, the Z-axis driving mechanism is connected with the second slider, and the second driving motor drives the driving wheel to drive the belt to link the second slider, so that the second slider drives the Z-axis driving mechanism to move on the X-axis.

Preferably, the automatic labeling machine further comprises two Y-axis driving mechanisms arranged on the bearing table, the two Y-axis driving mechanisms are arranged on two opposite sides of the label feeding device side by side along an X-axis, each Y-axis driving mechanism is provided with a positioning jig for positioning a product, and the Y-axis driving mechanism is used for driving the positioning jig to reciprocate on the Y-axis so as to convey the product to be labeled to the labeling position or send out the product subjected to labeling from the labeling position.

Preferably, the automatic labeling machine further comprises a frame, the frame comprises the bearing table and a reverse-U-shaped mounting rack which are horizontally arranged, the mounting rack comprises two vertical plates arranged along a Z axis and a transverse plate arranged along an X axis, the two vertical plates are fixedly mounted on two opposite sides of the bearing table, the transverse plate is connected between the two vertical plates, and the X-axis driving mechanism and the Z-axis driving mechanism are mounted on the transverse plate.

Compared with the prior art, the automatic labeling machine of the utility model drives the vacuum chuck to move to the upper material level through the X-axis driving mechanism, and then drives the vacuum chuck to descend through the Z-axis driving mechanism to suck the label, thereby realizing automatic feeding; then, the X-axis driving mechanism drives the vacuum chuck to move to a labeling position, and then the Z-axis driving mechanism drives the vacuum chuck to press downwards to label the label on the product, so that automatic labeling is realized, and compared with a traditional manual labeling mode, the mode can improve labeling efficiency and reduce labor cost; furthermore, the utility model discloses in-process on the product is pasted with the label at vacuum chuck, still apply the laminating pressure on the product through pressure sensor detection vacuum chuck, the controller finely tunes vacuum chuck from top to bottom according to laminating pressure control Z axle actuating mechanism to accurate control laminating pressure can prevent to damage because of the too big product or the label that causes of laminating pressure, also can ensure that the label can stabilize the laminating on the product, has improved and has pasted the mark yield.

Drawings

Fig. 1 is a perspective view of an automatic labeling machine according to an embodiment of the present invention.

Fig. 2 is a schematic view of the automatic labeling machine of fig. 1 with a portion of the protective cover removed.

Fig. 3 is a schematic structural view of the X-axis drive mechanism and the Z-axis drive mechanism.

Fig. 4 is a schematic view of the X-axis drive mechanism and the Z-axis drive mechanism at another angle.

FIG. 5 is a schematic view of the structure of the X-axis driving mechanism and the Z-axis driving mechanism at a further angle.

FIG. 6 is a schematic view of the W-axis drive assembly and vacuum chuck configuration.

Fig. 7 is a schematic structural view of the Y-axis drive mechanism.

Fig. 8 is a schematic view of the structure of the Y-axis driving mechanism at another angle.

Detailed Description

In order to explain technical contents and structural features of the present invention in detail, the following description is made with reference to the embodiments and the accompanying drawings.

In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", "X-axis", "Y-axis", "Z-axis", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and thus should not be construed as limiting the scope of the present invention.

Referring to fig. 1 to 8, an automatic labeling machine 100 of the present invention includes a carrier 11, a label feeder 2, a vacuum chuck 3, an X-axis driving mechanism 4, a Z-axis driving mechanism 5, a pressure sensor 6, and a controller (not shown); wherein, the bearing platform 11 is provided with a label sticking position; the label feeding device 2 is provided with a feeding position, and the feeding position and the labeling position are arranged along an X axis; the Z-axis driving mechanism 5 is connected to the output end of the X-axis driving mechanism 4, the X-axis driving mechanism 4 is used for driving the Z-axis driving mechanism 5 to drive the vacuum chuck 3 to reciprocate on the X axis so as to enable the vacuum chuck 3 to move to a labeling position or a loading position, and the Z-axis driving mechanism 5 is used for driving the vacuum chuck 3 to reciprocate on the Z axis; when the vacuum chuck 3 moves to the loading position, the vacuum chuck can descend under the drive of the Z-axis driving mechanism 5 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 5 to stick the label to the product 200 to be labeled; the pressure sensor 6 is used for detecting the bonding pressure applied to the product 200 by the vacuum chuck 3, and the controller can control the movement of the Z-axis driving mechanism 5 according to the bonding pressure so as to maintain the bonding pressure applied to the product 200 by the vacuum chuck 3 at a predetermined pressure value, for example, when the bonding pressure detected by the pressure sensor 6 is greater than a predetermined pressure value, the controller controls the Z-axis driving mechanism 5 to finely adjust the vacuum chuck 3 along the Z-axis direction, and when the bonding pressure detected by the pressure sensor 6 is less than the predetermined pressure value, the controller controls the Z-axis driving mechanism 5 to finely adjust the vacuum chuck 3 along the Z-axis direction.

Referring to fig. 1, in particular, the automatic labeling machine 100 includes a frame 1, the frame 1 includes a horizontally disposed carrier 11 and a reverse-U-shaped mounting frame 12, the mounting frame 12 includes two vertical plates 121 disposed along a Z-axis and a horizontal plate 122 disposed along an X-axis, the two vertical plates 121 are fixedly connected to two opposite sides of the carrier 11, the horizontal plate 122 is connected between the two vertical plates 121, and the X-axis driving mechanism 4 and the Z-axis driving mechanism 5 are mounted on the horizontal plate 122. By this design, the mounting frame 12 can stably support the X-axis driving mechanism 4 and the Z-axis driving mechanism 5, so that the whole structure of the automatic labeling machine 100 is more stable.

Referring to fig. 3 to 5, specifically, the X-axis driving mechanism 4 includes a second driving motor 41, a driving wheel 42 sleeved on an output shaft of the second driving motor 41, a driven wheel 43 disposed opposite to the driving wheel 42 on the X axis, a belt 44 and a second sliding rail 45 disposed along the X axis, and a second sliding block 46 engaged with the second sliding rail 45, wherein the belt 44 is tightly wound around the driving wheel 42 and the driven wheel 43, the second sliding block 46 has a clamping portion 461 disposed on the belt 44, the Z-axis driving mechanism 5 is connected to the second sliding block 46, and the second driving motor 41 is configured to drive the driving wheel 42 to rotate so that the belt 44 moves around the driving wheel 42 and the driven wheel 43, so that the second sliding block 46 moves along with the belt 44 on the X axis and further drives the Z-axis driving 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 engaged with the two second sliding rails 45.

Referring to fig. 3 to 7, specifically, the Z-axis driving mechanism 5 includes an elastic member 526 and a Z-axis driving assembly 51 for driving the vacuum chuck 3 to move in the Z-axis direction, the elastic member 526 is disposed between the vacuum chuck 3 and the Z-axis driving assembly 51, and through the arrangement of the elastic member 526, when the vacuum chuck 3 attaches the label to the product 200, the vacuum chuck 3 is in flexible contact with the product 200, so as to prevent the vacuum chuck 3 from crushing the product 200 and prevent the driver of the Z-axis driving mechanism 5 from being damaged. Preferably, the elastic member 526 is a spring, but should not be limited thereto.

Further, the Z-axis driving mechanism 5 further includes two W-axis driving assemblies 52, the Z-axis driving assembly 51 is connected to the second slider 46, the two W-axis driving assemblies 52 are connected to the Z-axis driving assembly 51, the Z-axis driving assembly 51 can reciprocate on the X-axis under the driving of the second slider 46, so as to link the two W-axis driving assemblies 52, the two W-axis driving assemblies 52 are arranged side by side along the X-axis, a vacuum chuck 3 is installed at the output end of each W-axis driving assembly 52, the Z-axis driving assembly 51 is used for driving the two W-axis driving assemblies 52 to reciprocate on the Z-axis at the same time, and each W-axis driving assembly 52 is used for driving the vacuum chuck 3 connected to the output end of the W-axis driving assembly to reciprocate on the Z-axis. Through the arrangement of the two W-axis driving assemblies 52, the automatic labeling machine 100 can label two products 200 in one operation stroke, and the movement stroke of each driving mechanism of the automatic labeling machine 100 is shortened, so that the time consumed by labeling each product 200 is reduced, and the labeling efficiency is improved.

Referring to fig. 3 to 5, more specifically, the Z-axis driving assembly 51 includes a first driving motor 511, a screw shaft 512 connected to an output end of the first driving motor 511, a lead screw nut 513 disposed on the screw shaft 512, a first slider 514 disposed on the lead screw nut 513, and a first sliding rail 515 disposed along the Z-axis, wherein the screw shaft 512 is disposed along the Z-axis, the two W-axis driving assemblies 52 are fixed to the first slider 514 through a fixing frame 527, and the lead screw nut 513 can drive the first slider 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 reciprocate linearly along the Z-axis with the first slider 514. In this embodiment, the Z-axis driving assembly 51 further includes a driving wheel 516 sleeved on the output shaft of the first driving motor 511, a driven wheel 517, and a belt 518 tightly wound around the driving wheel 516 and the driven wheel 517, wherein the screw shaft 512 is connected to the driven wheel 517, and when the driving wheel 516 is driven by the first driving motor 511 to rotate, the belt 518 is driven to rotate the driven wheel 517, so as to link the screw shaft 512.

Referring to fig. 6, in particular, the W-axis driving assembly 52 includes a rotating motor 521, a driving cylinder 522 connected to an output end of the rotating motor 521, a first rotating shaft 523 connected to an output end of the driving cylinder 522, a second rotating shaft 524 located below the first rotating shaft 523, and a shaft sleeve 525 sleeved outside the first rotating shaft 523 and the second rotating shaft 524, the pressure sensor 6 is disposed between the elastic member 526 and the first rotating shaft 523, the second rotating shaft 524 is connected to a lower end of the elastic member 526, the vacuum chuck 3 is connected to a lower end of the second rotating shaft 524, the rotating motor 521 is configured to drive the vacuum chuck 3 to rotate by a preset angle when the vacuum chuck 3 moves to a position above an upper level and/or a labeling position, and the driving cylinder 522 is configured to drive the vacuum chuck 3 to move on a Z-axis. Through the setting of rotating electrical machines 521, when the supplied materials direction of the label of material loading position and the subsides mark direction inconsistent of subsides mark position, can drive vacuum chuck 3 and drive the rotatory preset angle of label for vacuum chuck 3 can be according to the accurate mark direction of pasting with the label laminating on product 200.

Referring to fig. 1, in particular, the automatic labeling machine 100 further includes two Y-axis driving mechanisms 7 disposed on the bearing platform 11, the two Y-axis driving mechanisms 7 are disposed side by side along the X-axis on two opposite sides of the label loader 2, each Y-axis driving mechanism 7 is provided with a positioning fixture 8 for positioning the product 200, and the Y-axis driving mechanism 7 is configured to drive the positioning fixture 8 to reciprocate in the Y-axis, so as to convey the product 200 to be labeled to the labeling station or send out the product 200 after labeling from the labeling station. Through the arrangement of the two Y-axis driving mechanisms 7, the automatic conveying of the product 200 to be labeled to the labeling position and the automatic sending of the product 200 to be labeled by the labeling position are realized, and the labor cost is reduced.

Referring to fig. 7 and 8, more specifically, the Y-axis driving mechanism 7 includes a third driving motor 71, a driving wheel 72 disposed on an output shaft of the third driving motor 71, a driven wheel 73 disposed opposite to the driving wheel 72 in the Y-axis direction, a belt 74 and a third sliding rail 75 disposed along the Y-axis direction, and a third sliding block 76 engaged with the third sliding rail 75, wherein the belt 74 is tightly wound around the driving wheel 72 and the driven wheel 73, the third sliding block 76 has a clamping portion 761 disposed on the belt 74, the positioning fixture 8 is disposed on the third sliding block 76, and the third driving motor 71 drives the driving wheel 72 to rotate so that the belt 74 moves around the driving wheel 72 and the driven wheel 73, so that the third sliding block 76 moves along with the belt 74 in the Y-axis direction, and further drives the positioning fixture 8 to move in the Y-axis direction. In this embodiment, a third slide rail 75 is disposed on each of two opposite sides of the belt 74, and the third slide block 76 is slidably engaged with the two third slide rails 75.

Taking the embodiment of the present invention as an example, the working process of the automatic labeling machine 100 is described below, and for convenience of description, the Y-axis driving mechanism 7, the rotating electric machine 521, the driving cylinder 522, the vacuum chuck 3, and the labeling positions located on two sides are respectively referred to as the a-side Y-axis driving mechanism 7, the rotating electric machine 521, the driving cylinder 522, the vacuum chuck 3, the labeling positions, and the B-side Y-axis driving mechanism 7, the rotating electric machine 521, the driving cylinder 522, the vacuum chuck 3, and the labeling positions.

Firstly, conveying a product 200 to an A-side labeling position through an A-side Y-axis driving mechanism 7; then, the A-side vacuum chuck 3 is driven to move to the loading position by the X-axis driving mechanism 4, the Z-axis driving assembly 51 drives the A-side vacuum chuck 3 and the B-side vacuum chuck 3 to descend, the A-side driving air cylinder 522 drives the A-side vacuum chuck 3 to descend to suck a label after the A-side rotating motor 521 drives the A-side vacuum chuck 3 to rotate for a preset angle, and then the A-side driving air cylinder 522 drives the A-side vacuum chuck 3 to ascend to the original position; then, the X-axis driving mechanism 4 drives the B-side vacuum chuck 3 to move to the feeding position, after the B-side rotating motor 521 drives the B-side vacuum chuck 3 to rotate for a preset angle, the B-side driving air cylinder 522 drives the B-side vacuum chuck 3 to descend to suck a label, and then the B-side driving air cylinder 522 drives the B-side vacuum chuck 3 to ascend to the original position; then, the X-axis driving mechanism 4 drives the A-side vacuum chuck 3 to move to the A-side labeling position, after the A-side rotating motor 521 drives the A-side vacuum chuck 3 to rotate for a preset angle, the A-side driving cylinder 522 drives the A-side vacuum chuck 3 to descend to adhere a label to the product 200, then the A-side driving cylinder 522 drives the A-side vacuum chuck 3 to ascend to the return position, and then the A-side Y-axis driving mechanism 7 sends the product 200 out of the A-side labeling position; in the process, the B-side Y-axis driving mechanism 7 conveys the product 200 to a B-side labeling position; then, the X-axis driving mechanism 4 drives the B-side vacuum chuck 3 to move to the B-side labeling position, after the B-side rotating motor 521 drives the B-side vacuum chuck 3 to rotate by a preset angle, the B-side driving cylinder 522 drives the B-side vacuum chuck 3 to descend to label the product 200, then the B-side driving cylinder 522 drives the B-side vacuum chuck 3 to ascend to the original position, and then the B-side Y-axis driving mechanism 7 sends the product 200 out of the B-side labeling position.

Compared with the prior art, the automatic labeling machine 100 of the utility model drives the vacuum chuck 3 to move to the upper material level through the X-axis driving mechanism 4, and then drives the vacuum chuck 3 to descend through the Z-axis driving mechanism 5 to suck the label, thereby realizing automatic feeding; then, the X-axis driving mechanism 4 drives the vacuum chuck 3 to move to a labeling position, and then the Z-axis driving mechanism 5 drives the vacuum chuck 3 to press down to label the product 200, so that automatic labeling is realized, and compared with a traditional manual labeling mode, the mode can improve labeling efficiency and reduce labor cost; furthermore, the utility model discloses at vacuum chuck 3 with the in-process of label subsides on product 200, still detect the laminating pressure that vacuum chuck 3 applyed on product 200 through pressure sensor 6, vacuum chuck 3 is finely tuned from top to bottom to the controller is according to laminating pressure control Z axle actuating mechanism 5 to accurate control laminating pressure can prevent to damage because of product 200 or the label that laminating pressure too big caused, also can ensure that the label can stabilize the laminating on product 200, has improved and has pasted the mark yield.

The above disclosure is only a preferred embodiment of the present invention, and the scope of the claims of the present invention should not be limited thereby, and all the equivalent changes made in the claims of the present invention are intended to be covered by the present invention.

Claims

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.