Label tape cutting device and labeling equipment

Abstract

The label tape cutting device comprises a transmission assembly and a cutting assembly, the transmission assembly comprises a first gear and a second gear which are meshed with each other, and the cutting assembly comprises a blade and a blade bearing structure. The blade bearing structure is fixed to the side face of the first gear on the first side in a swinging mode and can rotate around the central axis of the first gear along with the first gear, and a roller is arranged on the second side, opposite to the first side, of the blade bearing structure. The label tape cutting device further comprises a movement guiding mechanism, the movement guiding mechanism is provided with an annular guiding piece, a protruding part is formed on the peripheral contour of the annular guiding piece, and the protruding part is arranged on the annular guiding piece and extends outwards from the second side of the blade bearing structure in a manner of being far away from the blade bearing structure. The roller bears against the outer circumferential contour of the annular guide in a rolling manner.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of packaging machinery, and particularly relates to a label tape cutting device and a sleeving label equipment. BACKGROUND

[0002] The sleeving label machine can automatically cut and accurately sleeve the label tape, and cooperate with the subsequent heat shrinkage process to fix the label on the cylindrical container. The sleeving label machine has excellent high-speed stability. Nowadays, the automatic high-speed sleeving label equipment has been widely applied in various fields.

[0003] In modern sleeving label production lines, accurate and efficient cutting of the label tape is a key link to ensure product quality and production efficiency. With the continuous progress of automation technology, the label tape cutting device has gradually realized mechanization and automation, significantly improving the cutting efficiency and precision. However, the existing label tape cutting device still has some problems, such as complex structure, high maintenance cost, and insufficient cutting stability. Especially in continuous and high-speed label cutting operations, these problems are particularly prominent.

[0004] Therefore, it is urgent to improve the label tape cutting device and the corresponding sleeving label equipment in the prior art to make the structure simple, convenient to maintain, flexible to adjust, and have higher cutting efficiency and precision. SUMMARY

[0005] The utility model aims at providing a label tape cutting device and a corresponding sleeving label equipment, which can overcome some or all of the technical problems in the prior art, especially can realize efficient and high-precision cutting of the label tape with a simple structure, and the label tape cutting device is convenient to maintain and can be flexibly adjusted according to actual needs.

[0006] The aforementioned technical problem is solved by a label tape cutting device, which includes a transmission assembly and a cutting assembly. The transmission assembly includes a first gear and a second gear that mesh with each other. The cutting assembly includes a blade and a blade-supporting structure. The blade-supporting structure is fixed to the side of the first gear on a first side in a swingable manner and can rotate with the first gear around its central axis. A roller is provided on a second side of the blade-supporting structure opposite to the first side, extending outward from the second side of the blade-supporting structure away from it. The label tape cutting device also includes a motion guiding mechanism with an annular guide member. A protrusion is formed on the outer periphery of the annular guide member, and the roller rolls against the outer periphery of the annular guide member. Driven by the second gear, the first gear rotates around its central axis. Therefore, the cutting assembly can rotate around the central axis of the first gear as the first gear rotates, that is, it performs a roughly circular motion around this central axis. On the other hand, the movement trajectory of the cutting component can be finely adjusted by a motion guide mechanism. Specifically, the protrusions on the outer contour of the annular guide push the cutting component outward, causing the cutting component, or blade, to swing outward and detach from the label tape. In other words, detachment is achieved after the cutting is completed.

[0007] According to a preferred embodiment, the label tape cutting device includes two or more cutting components and two or more protrusions, wherein the protrusions are evenly distributed on the outer periphery of the annular guide, and the number of protrusions is the same as the number of cutting components. That is, the label tape cutting device can include at least one cutting component, while the same number of protrusions are provided on the outer periphery of the annular guide, these cutting components and protrusions being evenly distributed on the circumference. Using multiple cutting components can improve cutting efficiency. However, using two cutting components is preferred, thereby achieving an optimal balance between structural simplicity and efficiency.

[0008] Another advantage is that the blade-supporting structure includes a first clamping plate and a second clamping plate, with the blade clamped between the first and second clamping plates. Here, the first and second clamping plates can be clamped together, for example, with bolts. This allows the blade to be replaced or adjusted as needed.

[0009] Preferably, the blade carrier structure is fixed in a swingable manner on the side of the first gear wheel by means of two thrust bearings, which are arranged on both sides of the blade carrier structure and clamp the first and second clamping plates together with a support column that is fixed on and vertically extends from the side of the first gear wheel. Here, the blade carrier structure is made swingable relative to the first gear wheel by the thrust bearings under the action of external forces, for example, to swing outwards. In addition, the thrust bearings arranged on both sides of the blade carrier structure also assist in clamping the first and second clamping plates.

[0010] It is also advantageous that a reset torsion spring is provided between the blade carrier structure and the first gear wheel. The leg of the reset torsion spring rests against the blade carrier structure on the one hand and against the first gear wheel on the other hand, so that the rollers of the blade carrier structure always rest against the outer peripheral contour of the ring-shaped guide, which ensures movement accuracy even without other limiting members and thus achieves high cutting accuracy.

[0011] It is also preferable that the movement guide mechanism further has a further ring-shaped guide that surrounds the ring-shaped guide and has an inner contour that is complementary to the outer peripheral contour of the ring-shaped guide, wherein the outer peripheral contour of the ring-shaped guide and the inner contour of the further ring-shaped guide together form the track of the rollers. Here, the outer peripheral contour of the ring-shaped guide and the inner contour of the further ring-shaped guide together form the track of the rollers, so that the movement trajectory of the rollers on the blade carrier structure can be reliably determined and thus high cutting accuracy is achieved.

[0012] It is also advantageous that the second gear wheel is connected in a mechanical transmission manner to the output shaft of the motor or that the second gear wheel is arranged in a rotationally fixed manner on the output shaft of the motor. That is, the second gear wheel can be directly or indirectly driven by the drive motor and thus drive the first gear wheel, thereby driving the cutting assembly.

[0013] According to a preferred variant, the thrust bearings and the rollers are arranged on both sides of the blade carrier structure opposite the blades. With such an arrangement, particularly good operational stability can be achieved.

[0014] It is also advantageous that the label strip cutting device further comprises a fixed support frame, which comprises a first support plate and a second support plate, wherein the first gear wheel is fixed in a rotatable manner on the first support plate and the ring-shaped guide is fixed in a replaceable manner on the second support plate. Here, the stability of the entire label strip cutting device is ensured by the fixed support frame, so that stable cutting accuracy can be ensured even in the case of high-speed cutting. The ring-shaped guide is fixed in a replaceable manner on the second support plate, so that the ring-shaped guide can be replaced according to actual requirements, thereby enabling flexible adjustment of the label strip cutting device.

[0015] The utility model also provides a sleeve label equipment, the sleeve label equipment includes bottle mechanism, sleeve label mechanism and main heat shrinkage furnace, wherein, be equipped with preceding and following label band cutting device in sleeve label mechanism.

[0016] In the label band cutting device and sleeve label equipment according to the application, the accurate guidance and efficient action of the cutting assembly are realized through the ingenious design of the transmission assembly and the motion guide mechanism. At the same time, the label band cutting device is introduced into the sleeve label equipment, which further improves the label band cutting precision and production efficiency of the sleeve labeling process. In addition, the annular guide or the blade can be replaced according to actual needs, so that the label band cutting device is convenient to maintain and can be flexibly adjusted according to actual needs. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a perspective view of the label band cutting device according to the utility model;

[0018] Figure 2 is Figure 1 is a perspective view of the label band cutting device in after removing the first support plate and the driving motor in

[0019] Figure 3 is a top view of the first support plate of the label band cutting device;

[0020] Figure 4 is a top view of the second support plate and the annular guide of the label band cutting device;

[0021] Figure 5 is a perspective view of the cutting assembly of the label band cutting device. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the utility model more clear and obvious, the utility model is further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model and do not limit the utility model.

[0023] On the existing labeling line, the label tape is usually provided in the form of a roll. In the labeling mechanism, it is necessary to cut the continuous label tape unwound from the roll into labels for labeling on individual containers. For this purpose, a label tape cutting device for cutting the label tape is usually provided in the labeling mechanism. The existing label tape cutting device has a complex structure, and there is room for further improvement in cutting efficiency and cutting accuracy. In addition, different blades or cutting assemblies need to be used for different requirements, and it may be necessary to use different cutting tracks, so there are certain requirements for the adjustability of the label tape cutting device. In the present application, the above problems can be ideally avoided by the cooperation of the specifically designed transmission assembly and cutting assembly with the corresponding detachable annular guide, and good cutting accuracy and cutting efficiency can be achieved with a simple structure.

[0024] Figure 1 A perspective view of a label tape cutting device 100 according to the present application is shown. The label tape cutting device 100 comprises a cutting assembly and a transmission assembly. The transmission assembly comprises a first gear wheel 1 and a second gear wheel 2. Here, the first gear wheel 1 is fixed in a rotatable manner on a first support plate 3 of a fixed support. The second gear wheel 2 is driven by a drive motor 4. Here, the drive motor 4 is arranged on one side of the first support plate 3, and the second gear wheel is arranged on the other side of the first support plate 3. The output shaft of the drive motor 4 penetrates the first support plate, and the second gear wheel 2 is arranged on the output shaft of the drive motor 4. Of course, it is also conceivable that the second gear wheel 2 is mechanically connected to the output shaft of the drive motor by a gear transmission. The second gear wheel 2 meshes with the first gear wheel 1 and can therefore drive the first gear wheel to rotate. The first gear wheel 1 is fixed in a rotatable manner on the first support plate 3 with a first side, specifically on the side opposite the drive motor 4. The first gear wheel 1 has a cutting assembly 5 fixed on a second side opposite the first side. The cutting assembly 5 is fixed in a swingable manner on the second side of the first gear wheel 1.

[0025] The cutting assembly 5 comprises a blade and a blade carrier structure 6. Although only one cutting assembly can be seen, the label tape cutting device here comprises two cutting assemblies, and the outer peripheral contour of the annular guide comprises two protrusions, wherein the protrusions are uniformly distributed on the outer peripheral contour of the annular guide 8 and the number of the protrusions is the same as the number of the cutting assemblies. However, it is also conceivable to provide more than two cutting assemblies and more than two protrusions.

[0026] The label strip cutting device 100 further has a movement guide. This movement guide comprises here a ring guide 8. On the outer peripheral contour of this ring guide 8 a protrusion is configured, against which the roller rolls. This means that the cutting assembly 5 can be rotated about the central axis or rotation axis of the first gearwheel on the one hand together with the first gearwheel 1. On the other hand, the cutting assembly 5 can be swung relative to the first gearwheel 1, for example under the influence of an external force. For example, in the case of being lifted by the protrusion of the outer peripheral contour, the cutting assembly 5 swings outwards, so that it is released from the contact with the label strip. In particular, the blade carrier structure 6 is fixed on the first side in a swingable manner on the side of the first gearwheel 1 and can be rotated about the central axis of the first gearwheel together with the first gearwheel. On the second side of the blade carrier structure 6, which is opposite the first side, a roller 11 is arranged, which extends outwards from the second side of the blade carrier structure away from the blade carrier structure. The roller rolls against the outer peripheral contour of the ring guide. Thereby, the cutting assembly 5 can be swung relative to the first gearwheel 1.

[0027] The stationary support further comprises a second support plate 7. The second support plate 7 is arranged substantially parallel to the first support plate 3. The first support plate 3 and the second support plate 7 are fixedly connected to each other by means of struts. For example, in Figure 1 the four corners of the first support plate and the second support plate are provided with fixing holes for the struts. In the first support plate 3 and the second support plate 7 a central through hole is respectively provided. The central through holes of the first support plate 3 and the second support plate 7 are coaxially arranged. A central guide post (not shown) for the label strip can be passed through the central through holes of the first support plate 3 and the second support plate 7. The central through hole of the second support plate 7 is larger than the central through hole of the first support plate 3. In the central through hole of the second support plate 7 the ring guide 8 is further arranged. On the side of the second support plate 7 which faces away from the first support plate 3 two fixing legs 9 are arranged. By means of the fixing legs the label strip cutting device 100 can be fixed to the frame of the labelling apparatus.

[0028] Figure 2 A view similar to Figure 1 is shown, in which the first support plate and the drive motor are removed for the sake of clarity. In Figure 2The gear mechanism can be clearly seen. Only the second gear 2 is shown here. The end side of the first gear 1 is provided with a flange 10 surrounding the central hole, on which flange 10 a plurality of fixing holes, for example threaded holes, are uniformly distributed. The first gear 1 is connected to the rotatable component, for example a bearing inner ring, a rolling ring or the like, provided on the first support plate 3 by means of the flange 10. It is also conceivable that instead of the flange 10, a hollow stub shaft is provided on the side of the first gear 1, which engages in a rotatable manner on the first support plate. In addition, a plurality of fixing holes are uniformly distributed in the radial direction of the first gear 1, which are used to fix the cutting assembly in a pivotable manner. These fixing holes are arranged between the flange 10 and the toothing. Thus, a different number of cutting assemblies can be fixed on the first gear 1 and / or the cutting assemblies can be fixed in different positions. Figure 2 The second support plate 7 and the ring-shaped guide 8 mounted therein are also shown. The rollers 11 of the cutting assembly 5 rest against the outer peripheral contour of the ring-shaped guide 8. Here, the interior of the ring-shaped guide 8 is configured with a through-hole corresponding to the central hole of the first gear, that is to say the central hole and the through-hole of the ring-shaped guide are substantially the same size and coaxially arranged. The second support plate 7 is also provided with a central through-hole, which has a larger diameter than the diameter of the ring-shaped guide 8. Thus, the ring-shaped guide 8 can be mounted in this central through-hole. The inner contour of the central through-hole of the second support plate 7 is adapted to the outer peripheral contour of the ring-shaped guide 8. That is to say, the movement guide also has a further ring-shaped guide surrounding the ring-shaped guide, which has an inner contour complementary to the outer peripheral contour of the ring-shaped guide, wherein the outer peripheral contour of the ring-shaped guide and the inner contour of the further ring-shaped guide together form the track of the rollers. Due to the above-described design, a central guide post for guiding the label web can pass through the first support plate, the first gear and the ring-shaped guide and the second support plate.

[0029] Figure 3 A top view of the first support plate 3 is shown. The first support plate 3 has a central through-hole 12 and a plurality of bolt fixing holes arranged around the central through-hole 12. The central through-hole 12 is designed for the central guide post of the label web to pass through. The bolt fixing holes are used to fix the fixing components arranged on the first support plate 3 for fastening the rotatable components with which the flange 10 of the first gear 1 cooperates. The first support plate 3 is designed to be substantially rectangular. In one corner of the first support plate 3 there is a mounting slot 13 for the drive motor. The mounting slot 13 is designed to be circular and has an output shaft through-hole 14 in the centre for the output shaft through-hole of the drive motor. In addition, in the four corners of the first support plate 3 there are fixing holes for connecting the struts of the first support plate 3 and the second support plate 7.

[0030] Figure 4Only the relevant structure of the second support plate 7 is shown. In the central through-hole, an annular guide 8 is arranged. Here, the outer contour of the annular guide 8 and the inner contour of the central through-hole together form the track of the roller. That is, the second support plate 7 with the central through-hole forms a further annular guide. The outer contour of the annular guide 8 and the inner contour of the central through-hole are adapted to each other, both contours are substantially circular, and in the position of the protrusion of the outer contour, the inner contour is correspondingly provided with a recess. Here, the protrusion can be of various forms, for example, an arc-shaped protrusion, a protrusion with a pointed end or a ramped protrusion, etc. However, an arc-shaped protrusion is preferred. This makes the entire movement smoother. The second support plate 7 is also designed substantially rectangular and is fixedly connected to the two fixed legs 9 by means of the connecting holes arranged at the four corners.

[0031] Figure 5 A separate perspective view of the cutting assembly 8 is shown. The cutting assembly 8 comprises a blade 15 and a blade carrier structure 6. Here, the blade carrier structure 6 comprises a first clamping plate 16 and a second clamping plate 17. The blade 15 is clamped between the first clamping plate 16 and the second clamping plate 17. The blade carrier structure 6 is fixed on the side of the first gear by means of a thrust bearing 18 on the one hand. On the other hand, the blade carrier structure 6 is provided on the side facing away from the first gear with a roller 11, which is supported by means of a column 19 extending vertically from the side of the blade carrier structure 6. The roller 11 can roll around this column. Thus, when the roller 11 rests on the outer contour of the annular guide, the roller 11 can roll along the outer contour and, with the change in the outer contour, move the entire cutting assembly 5 relative to the first gear. The first clamping plate 16 and the second clamping plate 17 are clamped by means of the thrust bearings 18 arranged on both sides of the blade carrier structure 6, in particular the two thrust bearings 18 and a support column passing through both thrust bearings, on the one hand. This support column is fixed on the side of the first gear and extends vertically from the side of the first gear. On the other hand, the first clamping plate and the second clamping plate can also be clamped by means of a bolt 20 at the same time. The bolt is arranged diagonally to the thrust bearings. Thereby, the angle of the blade or the replacement of the blade can be adjusted by loosening the bolt. The thrust bearings and the roller are arranged on both sides of the blade carrier structure opposite the blade. That is, the thrust bearings and the roller are arranged on the same side, while the blade is arranged on the other side. In addition, at least one corner of the blade carrier structure is rounded, thereby avoiding collisions during operation as much as possible.

[0032] Although not shown, it is also conceivable to provide a return torsion spring between the blade carrier structure and the first gear. In addition, the annular guide can also be fixed on the second support plate in a replaceable manner.

[0033] In addition, the label tape cutting device further comprises at least one photoelectric sensor, which is used to detect the position of the blade, the position of the protrusion of the annular guide, or the parameters of the label tape, etc. The photoelectric sensor can be connected to the upper controller of the labeling device and transmit the collected signals to the upper controller. The upper controller analyzes the operation of the label tape cutting device according to the collected signals, judges whether the label tape is distorted, accumulated, or cannot be cut completely or cut out of synchronization, and sends a warning signal, such as an optical or acoustic signal, to remind the user when necessary. In addition, the driving motor is also connected to the upper controller, and the upper controller can control the driving motor to control the operation of the first gear, so that the cutting speed is adapted to the movement speed of the label tape and the required speed of the downstream label. For example, when the container to be labeled is transported to the labeling position and a label is required, the controller drives the driving motor to rotate the gear half a turn (in the case of two blades) or one turn (in the case of one blade) to complete the cutting of the label tape.

[0034] The utility model discloses a kind of labeling devices. Labeling device can include bottle separating mechanism, labeling mechanism and main heat shrinkage furnace, wherein, in the labeling mechanism, the label tape cutting device described above is equipped.In this labeling device, through the ingenious transmission assembly and movement guide mechanism design, the accurate guidance and efficient action of cutting assembly are realized. At the same time, the label tape cutting precision and production efficiency of labeling process are further improved. In addition, annular guide or blade or the movement trajectory of blade can be replaced or adjusted according to actual demand. The label tape cutting device in the present application is also easy to maintain and can be flexibly adjusted according to actual demand.

[0035] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present utility model. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0036] The above is only the preferred embodiment of the present utility model, and does not limit the present utility model, and any modification, equivalent replacement and improvement, etc. made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A label tape cutting apparatus comprising a drive assembly and a cutting assembly, characterised in that, The transmission assembly comprises a first gear and a second gear which are engaged with each other, the cutting assembly comprises a blade and a blade carrier structure, the blade carrier structure is swingably fixed on the side surface of the first gear at a first side and can rotate with the first gear around the central axis of the first gear, a roller is arranged on the second side of the blade carrier structure opposite to the first side, the roller extends outward from the second side of the blade carrier structure away from the blade carrier structure, the label strip cutting device further comprises a motion guide mechanism, the motion guide mechanism has an annular guide piece, wherein a protrusion is arranged on the outer peripheral contour of the annular guide piece, and the roller is rollably attached to the outer peripheral contour of the annular guide piece.

2. The label strip cutting apparatus according to claim 1, wherein The label strip cutting device comprises two or more cutting assemblies, and the outer peripheral contour of the annular guide piece has two or more protrusions, wherein the protrusions are evenly distributed on the outer peripheral contour of the annular guide piece and the number of the protrusions is the same as the number of the cutting assemblies.

3. The label strip cutting device according to claim 1 or 2, characterized in that The blade carrier structure comprises a first clamping plate and a second clamping plate, and the blade is clamped between the first clamping plate and the second clamping plate.

4. The label strip cutting apparatus according to claim 3, wherein The blade carrier structure is swingably fixed on the side surface of the first gear by means of two thrust bearings, the two thrust bearings are arranged on both sides of the blade carrier structure and clamp the first clamping plate and the second clamping plate together with a support column passing through the two thrust bearings, the support column is fixed on the side surface of the first gear and vertically extends from the side surface of the first gear.

5. The label strip cutting device according to claim 4, wherein A reset torsion spring is arranged between the blade carrier structure and the first gear.

6. The label strip cutting apparatus according to claim 1 or 2, wherein The motion guide mechanism further comprises another annular guide piece surrounding the annular guide piece, the other annular guide piece has an inner contour which is complementary to the outer peripheral contour of the annular guide piece, wherein the outer peripheral contour of the annular guide piece and the inner contour of the other annular guide piece together form a track of the roller.

7. The label strip cutting apparatus according to claim 1 or 2, wherein The second gear is mechanically connected with the output shaft of the motor, or the second gear is arranged on the output shaft of the motor in a manner that cannot rotate relative to each other.

8. The label strip cutting apparatus of claim 4, wherein, The thrust bearings and the roller are arranged on both sides of the blade carrier structure opposite to the blade.

9. The label strip cutting apparatus according to claim 1 or 2, wherein The label strip cutting device further comprises a fixing support which comprises a first support plate and a second support plate, wherein the first gear is rotatably fixed on the first support plate, and the annular guide piece is replaceably fixed on the second support plate.

10. A labelling apparatus characterised in that, The labeling device comprises a bottle separating mechanism, a labeling mechanism and a main heat shrinkage furnace, wherein the label strip cutting device according to any one of claims 1-9 is arranged in the labeling mechanism. The labeling device comprises a bottle separating mechanism, a labeling mechanism and a main heat shrinkage furnace, wherein the label strip cutting device according to any one of claims 1-9 is arranged in the labeling mechanism.

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