CN212638254U - Label conveying device, labeling device and damping strip attaching system - Google Patents

Abstract

The utility model relates to an automation equipment technical field provides a label conveyor, pastes mark device and pastes damping strip system, and label conveyor includes conveyor and top mark device, and conveyor can carry the position that corresponds the through-hole with the label, supports through a mark mechanism and holds corresponding label, and the follow-up procedure of being convenient for gets the material in this position and pastes the mark, helps improving and pastes the mark precision, is applicable to taking off of microminiature label mark and pastes the mark. The labeling device with the label conveying device has the advantages that the material taking head driving mechanism can drive the material taking head to move to the position corresponding to the top labeling head to take materials and move to the position of a product to be labeled for labeling, so that the label conveying, positioning, top labeling, material taking and labeling are realized, and the labeling precision is improved. The damping strip sticking system with the labeling device obtains the damping strips corresponding to the positions of the top header heads through the material taking heads, and then labels the chip, so that the accuracy of the positions of the damping strips is effectively guaranteed.

Description

Label conveying device, labeling device and damping strip attaching system

Technical Field

The utility model belongs to the technical field of automation equipment and specifically relates to a label conveyor, paste mark device and paste damping strip system is related to.

Background

In the labeling process, a coiled label tape is generally conveyed through a pulley block, and a wedge-shaped label removing structure is arranged on a conveying path, so that the label tape can be bent greatly when the end part of the label removing structure is conveyed, a label is separated from the label tape and attached to a product while being separated, and labeling is completed. However, the labeling precision of the scheme is not high, the labeling requirements of products with high label position precision cannot be met, and for the micro-sized labels, the label removing structure is difficult to separate the labels from the label tape, so that the label removing structure is not suitable for label removing and labeling of the micro-sized labels.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a label conveyor to a subsides mark device and paste damping strip system that has this label conveyor is provided.

In a first aspect, an embodiment of the present invention provides a label conveying apparatus for conveying a label tape, including:

the conveying device comprises a driving roller and a plurality of conveying rollers, the driving roller is used for driving the label tape to move, and the conveying rollers are used for conveying and guiding the label tape;

the label pressing device comprises a bearing platform, a pressing mechanism and a label pressing mechanism, the label belt is laid on the bearing platform by the conveying device, the pressing mechanism comprises a pressing head and a pressing lifting mechanism, and the pressing lifting mechanism can enable the pressing head to be close to or far away from the bearing platform and is used for pressing the label belt on the bearing platform; the top mark mechanism comprises a top mark head and a top mark head adjusting mechanism used for driving the top mark head to move, a through hole for the top mark head to pass through is formed in the bearing platform, and the top mark head is arranged as follows: the top header can be abutted against the label at the corresponding through hole from the back of the label tape through the through hole.

The utility model discloses label conveyor has following beneficial effect at least:

through the label conveying device of the embodiment, the labels on the label belt can be conveyed to the positions corresponding to the through holes, and the labels at the positions of the through holes are supported through the label supporting mechanism, so that the subsequent processes can conveniently take the labels and label the positions, the labeling precision is improved, the labeling requirements of products with high label position precision are met, and the label conveying device is suitable for label removal and labeling of micro labels.

According to the utility model discloses a label conveyor of other embodiments, press the overhead window that is provided with of material, the position of window with the position of the last through-hole of load-bearing platform is corresponding, and the border of window can with the through-hole surrounds inside.

According to the label conveying device of other embodiments of the present invention, the bearing platform is provided with a plurality of through holes, and the through holes are arranged along a direction perpendicular to a conveying direction of the label tape; the top mark mechanism is provided with the top mark heads corresponding to the positions of the through holes respectively.

According to the label conveying device of other embodiments of the present invention, the edge of the label tape for bearing the label is provided with an edge hole, the pressing head is further provided with a positioning pin on one side facing the bearing platform, and the pressing head moves towards the bearing platform to insert the positioning pin into the edge hole; and the bearing platform is provided with a position avoiding hole corresponding to the positioning pin.

According to the label conveying device of other embodiments of the present invention, the material pressing head extends in a direction perpendicular to the conveying direction of the label tape, and the extending length can cover the width of the label tape; the two side edges of the material pressing head corresponding to the label belt are provided with the positioning pins.

According to the utility model discloses a label conveyor of other embodiments, the last stopper that is provided with of load-bearing platform for carry on spacingly to the both sides border of label area.

In a second aspect, an embodiment of the utility model provides a labeling device, including labeling mechanism and the label conveyor of any above-mentioned embodiment, labeling mechanism is including getting the stub bar and getting stub bar actuating mechanism, it sets up to the drive to get stub bar actuating mechanism get the stub bar and move to corresponding the stub bar department gets the material to it pastes the mark to move to the product department of waiting to paste the mark.

The utility model discloses paste mark device has following beneficial effect at least:

the label conveying device is used for conveying labels to a set position, and carries out top labeling at the position through a top labeling head, the labeling mechanism comprises a material taking head and a material taking head driving mechanism, the material taking head driving mechanism is set to drive the material taking head to move to the position corresponding to the top labeling head to take materials, the material taking head driving mechanism moves to the position of a product to be labeled to label the product to be labeled, the label conveying device realizes the conveying, positioning, top labeling, material taking and labeling of the labels, and the label conveying device is favorable for improving the labeling precision.

According to the utility model discloses a labeling device of other embodiments, it includes first moving mechanism, second moving mechanism, third moving mechanism and rotary mechanism to get material head actuating mechanism, wherein:

the material taking head is connected to the third moving mechanism;

the first moving mechanism is used for driving the second moving mechanism to reciprocate along the Y axis;

the second moving mechanism is used for driving the rotating mechanism to reciprocate along the X axis;

the rotating mechanism is used for driving the third moving mechanism to rotate around the Y axis;

and the third moving mechanism is used for driving the material taking head to move in a telescopic manner.

According to other embodiments of the present invention, the first moving mechanism includes a first slide rail extending along the Y axis, a first slide block slidably disposed on the first slide rail, an inclined slide rail extending from the rear to the front in an inclined direction, and a second slide block slidably disposed on the inclined slide rail; the second moving mechanism is fixedly connected to the first sliding block and the second sliding block.

In a third aspect, an embodiment of the present invention provides a damping strip sticking system, which includes the above-mentioned labeling device, the labeling device is used for sticking the damping strip on the damping strip label tape on the material of the damping strip to be stuck.

The utility model discloses paste damping strip system has following beneficial effect at least:

the label conveying device is used for conveying and positioning the damping strip label tape, so that the labeling mechanism can take materials at a set position, the labeling mechanism can move the material taking head to the label ejecting device of the label conveying device through the material taking head driving mechanism, obtain the damping strip corresponding to the position of the top label, then convey the damping strip to the chip to be labeled, label the damping strip, effectively guarantee the accuracy of the position of the damping strip, guarantee the consistency of the position of the damping strip attached to the chip, and therefore the production efficiency is improved.

Drawings

FIG. 1 is a schematic view of one embodiment of a label delivery device;

FIG. 2 is a side view of FIG. 1;

FIG. 3 is a schematic structural diagram of an embodiment of a label ejection device;

FIG. 4 is a top view of FIG. 3;

FIG. 5 is a cross-sectional view taken at A-A of FIG. 4;

FIG. 6 is a schematic structural diagram of an embodiment of a load-bearing platform;

FIG. 7 is a schematic view of an embodiment of the labeling device;

FIG. 8 is a schematic diagram of one embodiment of a take-off head drive mechanism;

fig. 9 is a schematic structural view of an embodiment of a first moving mechanism in a take-off head drive mechanism.

Detailed Description

In the description of the embodiments of the present invention, if an orientation description is referred to, for example, the orientation or positional relationship indicated by "front", "rear", etc. is based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. If a feature is referred to as being "disposed" or "connected" to another feature, it can be directly disposed or connected to the other feature or be indirectly disposed or connected to the other feature. If the reference is made to "a number", it is intended to mean more than one, if the reference is made to "a plurality", it is intended that two or more, all without the inclusion of a number, if the reference is made to "first", "second", etc., it is intended to distinguish between features and not to indicate or imply relative importance or to implicitly indicate the number of indicated features or to implicitly indicate the precedence of indicated features.

The labels are typically attached to a strip-shaped base tape, forming a label strip with the labels, which is then wound up in a roll for storage and subsequent use. Fig. 1 is a schematic structural diagram of an embodiment of a label conveying device 210, and fig. 2 is a side view of fig. 1, the label conveying device 210 of this embodiment is used for conveying a label tape, and includes a conveying device 210 and a label ejecting device, the conveying device 210 is used for conveying the label tape according to a set path, and the label ejecting device is arranged on the conveying path and is used for abutting against labels on the label tape from the back of the label tape, so that a subsequent process obtains corresponding labels through a material extracting device for labeling.

The feeding device 210 includes a driving roller for driving the label tape to move and a plurality of feeding rollers for feeding and guiding the label tape along a predetermined path. The conveying device 210 in this embodiment includes a first driving roller 211 for drawing the label tape out of the label roll, and a second driving roller 212 for winding the label tape at the rear end of the conveying path. The label tape is led out from the unwinding disc 213 and reaches the first conveying roller 214, and is driven by the first driving roller 211, so that acting force can be applied to the label tape, and the label tape is smoothly unwound. One side of the first driving roller 211 is provided with a first pinch roller 215, the first pinch roller 215 abuts against one side of the first driving roller 211, and the label belt is squeezed between the first pinch roller and the first driving roller 211, so that when the first driving roller 211 rotates, the label belt can be conveyed backwards through friction force, the first pinch roller 215 plays a role in compressing the label belt, and stable conveying of the label belt is guaranteed.

And the label printing machine further comprises a second conveying roller 216, a third conveying roller 217, a fourth conveying roller 218 and a fifth conveying roller 219, wherein the second conveying roller 216 and the third conveying roller 217 are respectively arranged on two sides of the label printing device and used for guiding the label tape to pass through the label printing device. The fourth transfer roller 218 and the fifth transfer roller 219 serve to guide the label tape fed out from the label dispenser to the second driving roller 212 for winding.

In other embodiments, after passing through the fifth conveying roller 219, the label tape bypasses the first driving roller 211 and is then sent to the second driving roller 212 for winding, and a second pinch roller 2110 is further disposed beside the first driving roller 211 for pinching the label tape sent to the first driving roller 211 by the fifth conveying roller 219, so that smooth label tape conveying is facilitated, the speed of sending the label tape out from the unwinding position and the speed of sending the label tape into the winding position are consistent, and the conveying stability is ensured. Therefore, the rotation speed of the second driving roller 212 for winding can be consistent with that of the first driving roller 211, or can be reasonably adjusted according to specific needs, as long as the rotation speed of the second driving roller 212 meets the requirement that the label tape is not pulled between the first driving roller 211 and the second pinch roller 2110 in the winding process.

Fig. 3 is a schematic structural diagram of an embodiment of a label pressing device, fig. 4 is a top view of fig. 3, fig. 5 is a cross-sectional view taken along a line a-a in fig. 4, fig. 6 is a schematic structural diagram of an embodiment of a supporting platform 220, and referring to fig. 1 and fig. 3 to 6, the label pressing device includes a supporting platform 220, a pressing mechanism 230, and a label pressing mechanism 240, the conveying device 210 causes a label tape to be laid on the supporting platform 220, the pressing mechanism 230 includes a pressing head 231 and a pressing head lifting mechanism 232, and the pressing head lifting mechanism 232 can cause the pressing head 231 to approach or separate from the supporting platform 220 for pressing the label tape on the supporting platform 220, which can be implemented by using an air cylinder. The top mark mechanism 240 includes a top mark head 241 and a top mark head adjusting mechanism 242 for driving the top mark head 241 to move, a through hole 221 for the top mark head 241 to pass through is provided on the bearing platform 220, and the top mark head 241 is set as: the top header 241 can abut the label at the corresponding through hole 221 from the back of the label tape through the through hole 221. Because the front and back sides of the label tape conveying direction of the bearing platform 220 are respectively provided with the conveying rollers, the label tape can pass between the material pressing head 231 and the bearing platform 220 by bypassing the surface of the two conveying rollers, and the label tape is parallel to the upper surface of the bearing platform 220. Therefore, when the material taking head in the subsequent process takes materials from the labels on the label band, the corresponding labels are correspondingly jacked up from the back of the label band through the label jacking device, and the material taking can be facilitated.

The material pressing head 231 is provided with a window 2311, the position of the window 2311 corresponds to the position of the through hole 221 on the bearing platform 220, and the edge of the window 2311 can surround the through hole 221 inside, so that the material pressing head 231 can form material pressing on the periphery of the label tape corresponding to the position of the through hole 221 around the window 2311, the label tape corresponding to the position of the through hole 221 and a label on the label tape can be smoothly flattened, and material taking is facilitated.

The bearing platform 220 is provided with a plurality of through holes 221, the through holes 221 are arranged in the vertical direction of the label tape conveying direction, therefore, the periphery of a plurality of labels can be pressed at one time within the range of the window 2311 of the material pressing head 231, multiple times of material taking and pasting can be facilitated by one-time material pressing, and the efficiency is improved. The number of the top headers 241 may be equal to that of the through holes 221, or less than that of the through holes 221, and if the number of the top headers 241 less than that of the through holes 221 is provided, the position of the top header 241 may be adjusted by using the top header 241 adjusting device, so that the top headers 241 can reach the positions of all the through holes 221 for top marking. The heading mechanism 240 is provided with heading heads 241 corresponding to the positions of the through holes 221, or may be provided with heading heads 241 capable of moving along the arrangement direction of the through holes 221, and heading is performed corresponding to the required through holes 221 as required. In the illustrated embodiment, the heading device is provided with a pair of heading heads 241, the bearing platform 220 is provided with four through holes 221, the pair of heading heads 241 are installed on the heading head adjusting mechanism 242, the heading head adjusting mechanism 242 includes a first heading head adjusting mechanism 2421 and a second heading head adjusting mechanism 2422, the first heading head adjusting mechanism 2421 can adjust the elevation of the heading head 241, and the second heading head adjusting mechanism 2422 can move the first heading head adjusting mechanism 2421 along the arrangement direction of the through holes 221, so that the heading heads 241 can correspondingly move to correspond to the through holes 221 to jack up tags at corresponding positions. Both the first and second heading head adjusting mechanisms 2421 and 2422 may be implemented using air cylinders.

Generally, an edge hole is provided at the edge of the label tape carrying the label, so as to facilitate the positioning operation in use, in this embodiment, a positioning pin 2312 may be provided on the pressing head 231 toward one side of the carrying platform 220, and the pressing head 231 moves toward the carrying platform 220 to insert the positioning pin 2312 into the edge hole, thereby achieving the positioning of the label tape and facilitating accurate label and material ejecting. Accordingly, a position-avoiding hole 222 may be formed on the supporting platform 220 at a position corresponding to the positioning pin 2312 to prevent the positioning pin 2312 from moving and interfering with the supporting platform 220.

In some embodiments, the nip 231 extends in a direction perpendicular to the label tape transport direction, and the extension length can span the width of the label tape, thereby forming a nip 231 structure that spans over the label tape. The locating pins 2312 are arranged on the two side edges of the material pressing head 231 corresponding to the label strip, so that the label strip can be located from two sides of the label strip respectively, the label strip is guaranteed to be located at a correct position, and the situation that the label and the through hole 221 are not corresponding due to the fact that the label strip deviates, so that label ejection and material taking cannot be smoothly carried out, and label pasting work is affected is avoided.

In order to further ensure the position of the label band in the transmission process and avoid the label band from deviating, the bearing platform 220 can be provided with a limiting block 223 corresponding to the region provided with the through hole 221, and the label band passes through the limiting block 223, so that the limiting block 223 can be used for limiting the edges of two sides of the label band, and the label band is prevented from deviating when passing through the region provided with the through hole 221 on the bearing platform 220. Correspondingly, an avoiding position 2313 for avoiding the limiting block 223 is arranged on one side of the swaging head 231 facing the carrying platform 220. Furthermore, at other positions on the platform 220, stoppers 224 for limiting both side edges of the label tape may be provided, and these stoppers 224 correspond to the above-mentioned stoppers 223 in the label tape conveying direction.

Fig. 6 shows a specific embodiment of the bearing platform 220, in which a partial structure of the back surface of the bearing platform 220 of this embodiment is shown, a groove 225 is provided on the back surface of the bearing platform 220 at a position corresponding to the through hole 221, the groove 225 is communicated with the through hole 221, and the groove 225 functions to reduce the depth of the through hole 221, which helps to reduce the processing difficulty. Moreover, the groove 225 can provide a moving space for the top header 241, which helps to reduce the distance between the top header 241 and the carrying platform 220, so as to make the structure compact. The two sides of the groove 225 corresponding to the through holes 221 are further provided with guide surfaces 226, the two guide surfaces 226 are inclined from the side wall of the through hole 221 to the direction of expanding the distance, and form an inclined surface extending from the position far away from the through hole 221 to the position of the through hole 221, so that the top header 241 can be guided, and the top header 241 can be smoothly introduced into the through hole 221.

In some embodiments, the label feeding mechanism may further comprise a detection mechanism 250, the detection mechanism 250 being disposed in front of the label applying device for detecting the presence or absence of a label on the label tape between label applying and label releasing of the label applying device. The detection mechanism 250 may be a transparent sensor, and if a transparent part of the label tape appears, the detection mechanism 250 can identify that the label is not present.

Through the label conveying device 210 of the above embodiment, the label on the label tape can be conveyed to the set position (the position of the through hole 221), so that the subsequent process can take the material and label at the position conveniently, the labeling precision can be improved, and the labeling requirements of products with high label position precision can be met. And to the microminiature label, get the material in setting for the position, remove the position of product with the label again and paste the mark, can guarantee the accuracy of label position, consequently the utility model discloses can be applicable to taking off of microminiature label mark and pasting the mark.

Fig. 7 is a schematic structural diagram of an embodiment of a labeling apparatus, fig. 8 is a schematic structural diagram of an embodiment of a taking head driving mechanism, and referring to fig. 7 and 8, the labeling apparatus provided in this embodiment includes a labeling mechanism 260 and a label conveying device 210 of any of the foregoing embodiments, the label conveying device 210 is configured to convey a label to a set position, and perform label ejection at the position through a top header head 241, the labeling mechanism 260 includes a taking head 261 and a taking head driving mechanism, the taking head driving mechanism is configured to drive the taking head 261 to move to a position corresponding to the top header head 241 to take the label, and move to a position of a product to be labeled for labeling, so as to realize conveying, positioning, label ejection, material taking and labeling of the label, and contribute to improving labeling accuracy. The take-out head 261 may have a suction nozzle structure to suck the label by vacuum suction, thereby taking the label off the label tape.

Specifically, the material taking head driving mechanism includes a first moving mechanism 262, a second moving mechanism 263, a third moving mechanism 264 and a rotating mechanism 265, and the specific direction takes the coordinate axis in the drawing as a reference, wherein:

the material taking head 261 is connected to the third moving mechanism 264;

the first moving mechanism 262 is used for driving the second moving mechanism 263 to reciprocate along the Y axis;

the second moving mechanism 263 is used for driving the rotating mechanism 265 to reciprocate along the X axis;

the rotating mechanism 265 is used for driving the third moving mechanism 264 to rotate around the Y axis;

the third moving mechanism 264 is used for driving the material taking head 261 to move in a telescopic manner.

The first moving mechanism 262, the second moving mechanism 263 and the third moving mechanism 264 can select air cylinders or electric sliding tables with corresponding specifications as required, the rotating mechanism 265 can select rotating air cylinders with corresponding specifications as required, the starting and stopping positions of the moving mechanisms can be determined during pre-adjustment, and conventional position sensors such as photoelectric switches are adopted for position identification. Thus, the take-off head 261 is able to move in the direction of axis X, Y by the take-off head drive mechanism to facilitate movement between the label delivery device 210 and the product to be labeled. And can realize rotation around the Y-axis direction to realize labeling at multiple positions, such as top surface, side surface or inclined surface. The third moving mechanism 264 realizes the extension and retraction of the material taking head 261, so that the material taking head 261 can be adjusted to a required angle through the rotating mechanism 265, and then the third moving mechanism 264 extends and retracts the material taking head 261 to realize labeling in the direction.

Fig. 9 is a schematic structural view of an embodiment of the first moving mechanism 262 in the pick-up head driving mechanism, and referring to fig. 9, the first moving mechanism 262 includes a first slide 2621 extending along the Y-axis, a first slider 2622 slidably disposed on the first slide 2621, an inclined slide 2623 extending from the back to the front in the inclined direction, a second slider 2624 slidably disposed on the inclined slide 2623, and a power element 2625 for driving the second slider 2624 to move along the X-axis direction. The second moving mechanism 263 is fixedly connected to the first slider 2622 and the second slider 2624, and therefore, the second slider 2624 is driven by the power element 2625 to move in the X-axis direction, so that the second moving mechanism 263 can be moved in the direction in which the first slide rail 2621 extends (i.e., the Y-axis direction). The power element 2625 can adopt a motor to drive a screw rod rotating mechanism, and the second slider 2624 is connected to the screw rod, so that the motor can drive the screw rod to rotate to drive the second slider 2624 to slide along the inclined slide rails 2623. This mechanism can set up power element 2625 in the X direction to turn into the motion of second moving mechanism 263 along the Y axle direction with the removal of power element 2625 along the output of X axle direction, save the space of Y axle direction, be favorable to optimizing the overall arrangement, and shorten the stroke of getting stub bar 261 along the removal of Y axle, each power unit's in the actuating mechanism of getting of being convenient for choosedly selects for use and installs.

The embodiment of the present invention further provides a damping strip attaching system (not shown, refer to fig. 1 to 9) for attaching the damping strip on the chip, since the volume of the damping strip on the chip is very small, the accuracy of the position is very important. The damping strip system of this embodiment includes the subsides mark device of any above-mentioned embodiment, and the subsides mark device is used for pasting the damping strip on the label area that has the damping strip on waiting to paste the chip of damping strip. Wherein, label conveyor 210 is used for carrying and the location damping strip label area, so that labeller 260 gets the material in setting for the position, labeller 260 will get stub bar 261 through getting stub bar actuating mechanism and remove the top mark device department to label conveyor 210, acquire the damping strip that corresponds top mark head 241 position, transport the chip department of waiting to paste the damping strip again, paste the mark, the accuracy of pasting the damping strip position has effectively been guaranteed, guarantee the uniformity that the chip pasted the damping strip position, thereby be favorable to improving production efficiency.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art. Furthermore, the embodiments of the present invention and features of the embodiments may be combined with each other without conflict.

Claims (10)

1. A label feeding device for feeding a label tape, comprising:

the conveying device comprises a driving roller and a plurality of conveying rollers, the driving roller is used for driving the label tape to move, and the conveying rollers are used for conveying and guiding the label tape;

the label pressing device comprises a bearing platform, a pressing mechanism and a label pressing mechanism, the label belt is laid on the bearing platform by the conveying device, the pressing mechanism comprises a pressing head and a pressing lifting mechanism, and the pressing lifting mechanism can enable the pressing head to be close to or far away from the bearing platform and is used for pressing the label belt on the bearing platform; the top mark mechanism comprises a top mark head and a top mark head adjusting mechanism used for driving the top mark head to move, a through hole for the top mark head to pass through is formed in the bearing platform, and the top mark head is arranged as follows: the top header can be abutted against the label at the corresponding through hole from the back of the label tape through the through hole.

2. The label feeding device according to claim 1, wherein a window is provided on the pressing head, the position of the window corresponds to the position of the through hole on the carrying platform, and the edge of the window can surround the through hole inside.

3. The label feeding device according to claim 2, wherein said carrier platform is provided with a plurality of said through holes, said through holes being arranged in a direction perpendicular to a feeding direction of the label tape; the top mark mechanism is provided with the top mark heads corresponding to the positions of the through holes respectively.

4. The label feeding device according to claim 1, wherein an edge of the label tape for carrying the label is provided with an edge hole, and a positioning pin is further provided on a side of the presser head facing the carrying platform, and the presser head is moved toward the carrying platform to insert the positioning pin into the edge hole; and the bearing platform is provided with a position avoiding hole corresponding to the positioning pin.

5. The label carrying device according to claim 4, wherein said presser head extends in a direction perpendicular to the carrying direction of the label tape over a length capable of covering the width of the label tape; the two side edges of the material pressing head corresponding to the label belt are provided with the positioning pins.

6. The label feeding device according to any one of claims 1 to 5, wherein a stopper is provided on the carrying platform for stopping both side edges of the label tape.

7. A labeling device, comprising a labeling mechanism and the label conveying device as claimed in any one of claims 1 to 6, wherein the labeling mechanism comprises a material taking head and a material taking head driving mechanism, and the material taking head driving mechanism is configured to drive the material taking head to move to a position corresponding to the top head for taking materials and move to a position of a product to be labeled for labeling.

8. The labeling device of claim 7, wherein the take-off head driving mechanism comprises a first moving mechanism, a second moving mechanism, a third moving mechanism, and a rotating mechanism, wherein:

the material taking head is connected to the third moving mechanism;

the first moving mechanism is used for driving the second moving mechanism to reciprocate along the Y axis;

the second moving mechanism is used for driving the rotating mechanism to reciprocate along the X axis;

the rotating mechanism is used for driving the third moving mechanism to rotate around the Y axis;

and the third moving mechanism is used for driving the material taking head to move in a telescopic manner.

9. The labeling device according to claim 8, wherein said first moving mechanism comprises a first slide rail extending along the Y-axis, a first slide block slidably disposed on said first slide rail, an inclined slide rail extending from the rear to the front in an inclined direction, a second slide block slidably disposed on said inclined slide rail; the second moving mechanism is fixedly connected to the first sliding block and the second sliding block.

10. A damping strip system, comprising: the labeling device according to any one of claims 7 to 9, which is used for applying the damping strip on the damping strip label tape to the material to be labeled with the damping strip.

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