阅读说明：本技术 一种标签切割装置 (Label cutting device ) 是由 朱永兴 刘银昌 蒋彦如 谢金昌 于 2019-10-09 设计创作，主要内容包括：本发明公开了一种标签切割装置,包括：机架,在机架上顺着标签输送方向依次设置有储标盘、送标机构、切割鼓及贴标鼓；切割鼓的结构包括：中空的切割鼓鼓体,切割鼓鼓体由驱动组件驱动转动,在切割鼓鼓体上均布有吸气孔,切割鼓鼓体内部空腔由负压组件提供负压,在切割鼓鼓体的外圆周面沿周向分布有若干金属丝,每根金属丝沿切割鼓鼓体轴向设置于切割鼓鼓体的外圆周面上,每根金属丝由内置于切割鼓鼓体空腔的电磁感应加热元件加热,所述电磁感应加热元件包括：与金属丝相连接的加热铁芯,绕设于加热铁芯外部的感应线圈,以及与感应线圈相连接且为感应线圈提供交变电流的电源。本发明具有装配及加工精度要求低的优点。(The invention discloses a label cutting device, comprising: the label feeding device comprises a rack, wherein a label storage disc, a label feeding mechanism, a cutting drum and a labeling drum are sequentially arranged on the rack along the label conveying direction; the structure of the cutting drum comprises: the hollow cutting drum body, the cutting drum body is rotated by the drive assembly drive, and the equipartition has the suction hole on the cutting drum body, and the inside cavity of cutting drum body provides the negative pressure by negative pressure components, and it has a plurality of wires to distribute along circumference at the outer periphery of cutting drum body, and every wire sets up on the outer periphery of cutting drum body along cutting drum body axial, and every wire is heated by the electromagnetic induction heating element who places cutting drum body cavity in by interior, electromagnetic induction heating element includes: the heating iron core is connected with the metal wire, the induction coil is wound outside the heating iron core, and the power supply is connected with the induction coil and provides alternating current for the induction coil. The invention has the advantages of low requirements on assembly and machining precision.)

1. A label cutting apparatus comprising: the frame, its characterized in that: the label storage disc, the label feeding mechanism, the cutting drum and the labeling drum are sequentially arranged on the rack along the label conveying direction; the structure of the cutting drum comprises: the hollow cutting drum body, the cutting drum body is rotated by the drive assembly drive, the equipartition has a plurality of suction holes on the outer periphery that the cutting drum body was used for the contact to carry the label, the inside cavity of cutting drum body provides the negative pressure by negative pressure subassembly, make the cutting drum physical stamina adsorb the label of following the label feeding mechanism output through the suction hole, it has a plurality of wires to distribute along circumference at the outer periphery of cutting drum body, every wire sets up on the outer periphery of cutting drum body along cutting drum body axial, every wire is heated by the electromagnetic induction heating element who places cutting drum body cavity in by interior, electromagnetic induction heating element includes: the heating iron core is connected with the metal wire, the induction coil is wound outside the heating iron core, and the power supply is connected with the induction coil and provides alternating current for the induction coil.

2. A label cutting device according to claim 1, characterized in that: each metal wire is fixedly arranged on the outer circumferential surface of the cutting drum body through a metal fixing block.

3. A label cutting device according to claim 2, characterized in that: the metal wires are welded and fixed with the corresponding metal fixing blocks, and each metal fixing block is detachably and fixedly arranged on the outer circumferential surface of the cutting drum body through a plurality of locking screws.

4. A label cutting device according to claim 1, characterized in that: the driving component is a driving motor, and the negative pressure component is a negative pressure fan communicated with the cavity of the cutting drum body through an air suction pipe.

5. A label cutting device according to claim 1, characterized in that: also comprises a gluing drum which can roll glue on the single label carried by the labeling drum.

6. A label cutting device according to claim 1, characterized in that: the machine frame is also provided with a compressed air blowing mechanism which can blow, clean and cool the metal wire which is cut by the label on the cutting drum.

7. A label cutting apparatus according to claim 1 or 2 or 3 or 4 or 5 or 6, wherein: and a label deviation corrector is also arranged between the label storage disc and the label feeding mechanism.

8. A label cutting device according to claim 7, characterized in that: the label splicing device comprises two label storage plates, and an automatic label splicing device capable of splicing labels on the two label storage plates is arranged between the two label storage plates.

9. A label cutting device according to claim 8, wherein: send the structure of mark mechanism to include: two are the mark roller that send that sets up in the frame of relative centre gripping form, and one of them send the mark roller to be sent mark motor drive to rotate to make two send the mark roller to be the transport label of relative centre gripping form.

Technical Field

The invention relates to the technical field of labeling equipment, in particular to a label cutting device.

Background

A label cutting device is a commonly used apparatus for cutting a roll of continuous labels (referred to simply as a "label roll") into individual labels (referred to simply as "individual labels"). The structure of the label cutting apparatus currently used includes: the label cutting machine comprises a rack, wherein a label storage disc for placing a label roll, a label feeding mechanism for conveying labels, a cutting drum for receiving the labels output by the label feeding mechanism from a label feeding station and cutting the labels in a single piece at a cutting station, and a labeling drum for receiving the single piece labels cut by the cutting drum and transferring and conveying the labels to a labeling station are sequentially arranged on the rack along the label conveying direction, and the structure of the cutting drum comprises: the label cutting device comprises a cutting drum body, wherein flying shears or blades for cutting off labels are arranged on the cutting drum body. The above label cutting device has disadvantages in that: the cutting drum cuts the label through flying shears or blades, and the flying shears or blades have high precision requirements on mechanical assembly, are complex to install and greatly wear cutters.

Disclosure of Invention

The invention aims to provide a label cutting device with low requirements on assembly and machining precision.

In order to achieve the purpose, the invention adopts the following technical scheme: a label cutting apparatus comprising: the label feeding device comprises a rack, wherein a label storage disc, a label feeding mechanism, a cutting drum and a labeling drum are sequentially arranged on the rack along the label conveying direction; the structure of the cutting drum comprises: the label conveying device comprises a hollow cutting drum body, a driving assembly, a plurality of vacuum holes, a negative pressure assembly and a plurality of metal wires, wherein the cutting drum body is driven by the driving assembly to rotate, the outer circumferential surface of the cutting drum body, which is used for contacting and conveying labels, is uniformly distributed with the plurality of vacuum holes, the cavity inside the cutting drum body is provided with negative pressure by the negative pressure assembly, so that the cutting drum body can adsorb labels output from a label conveying mechanism through the vacuum holes, the outer circumferential surface of the cutting drum body is circumferentially distributed with the plurality of metal wires, each metal wire is axially arranged on the outer circumferential surface of the cutting drum body along the cutting drum body, and each metal wire is heated by an electromagnetic induction heating element arranged in the cavity of; the electromagnetic induction heating element includes: the heating iron core is connected with the metal wire, the induction coil is wound outside the heating iron core, and the power supply is connected with the induction coil and provides alternating current for the induction coil.

Further, the label cutting device as described above, wherein: each metal wire is fixedly arranged on the outer circumferential surface of the cutting drum body through a metal fixing block.

Further, the label cutting device as described above, wherein: the metal wires are welded and fixed with the corresponding metal fixing blocks, and each metal fixing block is detachably and fixedly arranged on the outer circumferential surface of the cutting drum body through a plurality of locking screws.

Further, the label cutting device as described above, wherein: the driving component is a driving motor, and the negative pressure component is a negative pressure fan communicated with the cavity of the cutting drum body through an air suction pipe.

Further, the label cutting device as described above, wherein: also comprises a gluing drum which can roll glue on the single label carried by the labeling drum.

Further, the label cutting device as described above, wherein: the machine frame is also provided with a compressed air blowing mechanism which can blow, clean and cool the metal wire which is cut by the label on the cutting drum.

Further, the label cutting device as described above, wherein: and a label deviation corrector is also arranged between the label storage disc and the label feeding mechanism.

Further, the label cutting device as described above, wherein: the label splicing device comprises two label storage plates, and an automatic label splicing device capable of splicing labels on the two label storage plates is arranged between the two label storage plates.

Further, the label cutting device as described above, wherein: send the structure of mark mechanism to include: two are the mark roller that send that sets up in the frame of relative centre gripping form, and one of them send the mark roller to be sent mark motor drive to rotate to make two send the mark roller to be the transport label of relative centre gripping form.

Through the implementation of the technical scheme, the invention has the beneficial effects that: utilize electromagnetic induction heating's principle, the outer wire of cutting drum surface of arranging in of rapid heating, the instantaneous high temperature that utilizes the wire makes the label separation, realizes the cutting separation to the label through the outer wire of arranging the cutting drum surface in, and is low to assembly, machining precision's requirement, and the consumptive material is few, simple to operate, and it is simple to maintain, greatly reduced daily maintenance's use cost to wire position control is convenient, and cutting position is controllable, has reduced the debugging degree of difficulty and debugging cost.

Drawings

Fig. 1 is a schematic structural diagram of a label cutting device according to the present invention.

Fig. 2 is a schematic view of the construction of the cutting drum shown in fig. 1.

Fig. 3 is a schematic structural view of a section a-a in fig. 2.

Detailed Description

The invention is described in further detail below with reference to the figures and specific examples.

As shown in fig. 1, 2 and 3, the label cutting apparatus includes: the label cutting machine comprises a rack 1, wherein a label storage disc 3 for placing a label roll 2, a label conveying mechanism 4 for conveying labels, a cutting drum 5 for receiving the labels output by the label conveying mechanism 4 from a label conveying station and cutting the labels in a single piece at the cutting station, and a labeling drum 6 for receiving the single pieces of labels cut by the cutting drum 5 and transferring and conveying the labels to a labeling station are sequentially arranged on the rack 1 along the label conveying direction; the structure of the cutting drum 5 comprises: a hollow cutting drum body 51, the cutting drum body 51 is made of high temperature resistant ceramics and other materials, the cutting drum body 51 is driven to rotate by a driving component, the driving component is a driving motor, a plurality of air suction holes 52 are uniformly distributed on the outer circumferential surface of the cutting drum body 51 for contacting and conveying labels, a negative pressure component provides negative pressure for an inner cavity 53 of the cutting drum body 51, the negative pressure component is a negative pressure fan communicated with the cavity 53 of the cutting drum body 51 through an air suction pipe, the negative pressure fan enables the cavity of the cutting drum body 51 to form negative pressure through the air suction pipe, the cutting drum body 51 can absorb the labels output from the label feeding mechanism 4 through the air suction holes 52, a plurality of metal wires 54 are distributed on the outer circumferential surface of the cutting drum body 51 along the circumferential direction, each metal wire 54 is arranged on the outer circumferential surface of the cutting drum body 51 along the axial direction of the cutting drum body, and each metal wire 54 is heated by an electromagnetic induction heating element arranged in a cavity 53 of the cutting drum body 51; the electromagnetic induction heating element includes: a heating core 55 connected to the wire 54, an induction coil 56 wound around the heating core 55, and a power supply 57 connected to the induction coil 56 and supplying an alternating current to the induction coil 56; in the embodiment, each wire 54 is fixedly arranged on the outer circumferential surface of the cutting drum body 51 through a metal fixing block 58, so that the installation is firmer, and the use stability and the use safety of the device are improved; in the embodiment, the metal wire 54 is welded and fixed with the corresponding metal fixing blocks 58, and each metal fixing block 58 is detachably and fixedly arranged on the outer circumferential surface of the cutting drum body 51 through a plurality of locking screws, so that the assembly, disassembly and maintenance are more convenient, the installation is firmer, and the use stability and the use safety of the device are further improved;

in this embodiment, the labeling device further comprises a gluing drum 11 capable of rolling glue on the single labels conveyed by the labeling drum 6, and during actual operation, whether the gluing drum is used or not can be determined according to whether the labels have viscosity or not, if the labels have viscosity, the gluing drum is not used, and if the labels do not have viscosity, the gluing drum is used; in this embodiment, a compressed air blowing mechanism 10 capable of blowing, cleaning and cooling the metal wire 54 after the label cutting on the cutting drum 5 is completed is further arranged on the machine frame 1, the compressed air blowing mechanism comprises a positive pressure air source and a blowing pipe communicated with the positive pressure air source, and the blowing pipe is directly opposite to the outer circumferential surface of the cutting drum body between the cutting station and the label conveying station;

in the embodiment, a label deviation corrector 7 and a plurality of transition rollers 8 are also arranged between the label storage plate 3 and the label feeding mechanism 4, so that the labeling quality can be improved; in the embodiment, the label dispenser comprises two label storage plates 3 in total, an automatic label receiving device 9 capable of connecting labels on the two label storage plates is arranged between the two label storage plates 3, when a label roll on one label storage plate 3 is about to be used up, the label rolls on the two label storage plates 3 are connected together through the automatic label receiving device 9, and the continuity of labeling work is realized; in this embodiment, the structure of the label feeding mechanism 4 includes: the label feeding mechanism is simple in structure and convenient to install and maintain;

the label cutting machine comprises a cutting drum 5 and a labeling drum 6, wherein the cutting drum 5 is used for receiving labels output by a label feeding mechanism 4 from a label feeding station and can cut the labels in a single piece at a cutting station, and the labeling drum 6 is used for receiving the labels cut by the cutting drum 5 and transferring and conveying the labels to a labeling station;

when the label cutting machine is used, two label feeding rollers of the label feeding mechanism 4 are in a relative clamping state, labels passing through the automatic label receiving device 9, the transition rollers 8 and the label deviation rectifying device 7 are conveyed onto the cutting drum 5, at the moment, a negative pressure fan enables a cavity of the cutting drum body 51 to form negative pressure through an air suction pipe, the cutting drum body 51 adsorbs the labels output from the label feeding mechanism 4 through the air suction hole 52, meanwhile, the driving motor drives the cutting drum body to rotate, the labels received from the label feeding stations are conveyed to the cutting stations, after the labels reach the cutting stations, the metal wire 54 which is just positioned at the cutting stations on the outer circumferential surface of the cutting drum body 51 is heated by the corresponding electromagnetic induction heating element arranged in the cavity 53 of the cutting drum body 51, and the labels are cut by utilizing the instantaneous high temperature of the metal wire 54;

wherein the process of the electromagnetic induction heating element heating the wire 54 is as follows: a power supply 57 in the electromagnetic induction heating element is energized, the power supply 57 supplies alternating current to the induction coil 56, the alternating current flowing through the induction coil 56 generates an alternating magnetic field passing through the heating core 55, the alternating magnetic field causes eddy current to be generated inside the heating core 55, the heating core 55 is rapidly heated by means of the internal eddy current, and heat is rapidly guided to the wire 54, thereby rapidly heating the wire 54; with transfer of labels to labelling stations

After the labels are cut into single pieces by the metal wire 54, the labeling drum 6 transfers the cut single pieces of labels to a labeling station; when the cut metal wire 54 is transferred to a position between the cutting station and the label feeding station, the blowing pipe of the compressed air blowing mechanism 10 can blow the compressed air in the positive pressure air source to the metal wire 54, so that the metal wire 54 can be rapidly cooled, and the label residues on the metal wire 54 can be cleaned.

The invention has the advantages that: utilize electromagnetic induction heating's principle, the outer wire of cutting drum surface of arranging in of rapid heating, the instantaneous high temperature that utilizes the wire makes the label separation, realizes the cutting separation to the label through the outer wire of arranging in cutting drum surface, and is low to the requirement of assembly and machining precision, and the consumptive material is few, simple to operate, and it is simple to maintain, greatly reduced daily maintenance's use cost to wire position control is convenient, and cutting position is controllable, has reduced the debugging degree of difficulty and debugging cost.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, but any modifications or equivalent variations made in accordance with the technical spirit of the present invention are within the scope of the present invention as claimed.