A high-speed label cutting device for a labeling machine

Abstract

This utility model relates to the field of labeling machine technology, specifically a high-speed label cutting device for a labeling machine. It includes a housing, with a sleeve rotatably connected inside the housing. Inside the housing is a reciprocating drive assembly for driving the sleeve to move forward and backward. An inner core cylinder is located inside the sleeve, and threaded sleeves are rotatably connected to the inner core cylinder. Multiple sets of threaded sleeves are arranged around the inner core cylinder, each threaded with a screw. The end of the screw extends into the inner core cylinder and is fixedly connected to a blade. A connecting ring is nested on the outer side of the inner core cylinder. Electric telescopic rods are fixedly installed inside the sleeve on both sides of the inner core cylinder, and the connecting rings are fixedly connected to the output shaft of the electric telescopic rods. This utility model, through the reciprocating rotation of the blade, can repeatedly cut around the label while reducing the blade's stroke, thus effectively improving cutting efficiency.

Description

Technical Field

[0001] This utility model relates to the field of labeling machine technology, and more specifically, to a high-speed label cutting device for a labeling machine. Background Technology

[0002] Labeling machines are packaging equipment used in the food, beverage, pharmaceutical, and cosmetic industries for applying labels to the surface of containers. They use heat shrink or pressure shrink technology to make the labels fit tightly to the bottle body. They are suitable for various materials such as plastic bottles, glass bottles, and tin cans, and support labeling the bottle mouth or body of irregularly shaped bottles such as round, square, and oval bottles.

[0003] Existing labeling machines typically cut labels by rotating a single set of blades. When the label is thick, it needs to rotate multiple times to cut the label completely, resulting in a long blade travel distance and low cutting efficiency. Utility Model Content

[0004] This invention provides a high-speed label cutting device for a labeling machine, which solves the technical problem in the prior art that results in a long blade travel distance and low cutting efficiency.

[0005] In view of the above problems, the technical solution proposed by this utility model is as follows: A high-speed label cutting device for a labeling machine includes a housing, with a sleeve rotatably connected inside the housing. A reciprocating drive assembly for driving the sleeve to rotate in both directions is located inside the housing. An inner core cylinder is located inside the sleeve, and threaded sleeves are rotatably connected to the inner core cylinder. Multiple sets of threaded sleeves are arranged around the inner core cylinder, each threaded with a screw. The end of each screw extends into the inner core cylinder and is fixedly connected to a blade. A connecting ring is nested on the outer side of the inner core cylinder. Electric telescopic rods are fixedly installed inside the sleeve on both sides of the inner core cylinder. The connecting rings are fixedly connected to the output shaft of the electric telescopic rods. A transmission assembly for driving multiple sets of threaded sleeves to rotate simultaneously is located between the connecting rings and the threaded sleeves.

[0006] Furthermore, the reciprocating drive assembly includes a telescopic cylinder installed inside the housing, a first rack connected to one end of the output shaft of the telescopic cylinder, and a first toothed ring sleeved on the outside of the sleeve and meshing with the first rack.

[0007] Furthermore, the transmission assembly includes a second toothed ring sleeved on the surface of the threaded sleeve and a second toothed rack fixedly connected to the connecting ring and meshing with the second toothed ring.

[0008] Furthermore, guide sleeves are provided on both sides of the screw sleeve on the inner core cylinder, and guide rods are slidably provided inside the guide sleeves. The rear end of the blade is connected to the guide rod, and the guide rod is slidably fitted inside the guide rod.

[0009] Furthermore, a cover plate is installed on the top of the outer casing, screw grooves are provided at the four corners of the inner surface of the outer casing, and mounting holes corresponding to the screw grooves are provided at the four corners of the cover plate.

[0010] Furthermore, a positioning sleeve is provided on the cover plate, and the positioning sleeve is aligned with the center of the inner core cylinder.

[0011] Compared with the prior art, the beneficial effects of this utility model are as follows: The label to be cut is fed to the inner side of the inner core cylinder through the labeling mechanism. The connecting ring nested on the outside of the inner core cylinder can be driven by the electric telescopic rod to move up and down along the surface of the inner core cylinder. When the connecting ring is controlled to move upward, the connecting ring can drive multiple sets of threaded sleeves distributed around the inner core cylinder to rotate simultaneously through the transmission component. At this time, the threaded sleeve will drive the screw threaded inside it to move towards the inner side of the inner core cylinder. The blade at the end of the screw will extend inward and abut against the label. The blade can cut into the label from multiple directions. The reciprocating drive component can control the sleeve to rotate back and forth. During this process, the multiple sets of blades cutting into the label will also rotate back and forth around the label under the drive, so that the label can be cut off completely. Since the label is repeatedly cut around by the blades rotating back and forth, the blade stroke is reduced, thus effectively improving the cutting efficiency. Attached Figure Description

[0012] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained from these drawings without creative effort.

[0013] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a schematic diagram of the internal structure of the present invention; Figure 3 This is a schematic diagram of the structure of the sleeve and inner core cylinder in this utility model; Figure 4 This is a schematic diagram of the inner core cylinder and the blade in this utility model.

[0014] In the diagram: 1. Outer shell; 2. Sleeve; 3. Inner core cylinder; 4. Screw sleeve; 5. Screw; 6. Blade; 7. Connecting ring; 8. Electric telescopic rod; 9. Telescopic cylinder; 10. First rack; 11. First toothed ring; 12. Second toothed ring; 13. Second rack; 14. Guide sleeve; 15. Guide rod; 16. Cover plate; 17. Screw groove; 18. Mounting hole; 19. Positioning sleeve. Detailed Implementation

[0015] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0016] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0017] Please see Figures 1-4 A high-speed label cutting device for a labeling machine includes a housing 1, with a sleeve 2 rotatably connected inside the housing 1. A reciprocating drive assembly is installed inside the housing 1, acting on the sleeve 2. This assembly controls the sleeve 2 to rotate reciprocally inside the housing 1. An inner core cylinder 3 is located inside the sleeve 2, and threaded sleeves 4 are rotatably connected to the inner core cylinder 3. Multiple sets of threaded sleeves 4 are arranged around the inner core cylinder 3, each threadedly connected to a screw 5. The end of each screw 5 extends into the inner core cylinder 3 and is fixedly connected to a blade 6. A connecting ring 7 is nested on the outer side of the inner core cylinder 3. Electric telescopic rods are fixedly installed on both sides of the inner core cylinder 3 inside the sleeve 2. 8. The connecting ring 7 is fixedly connected to the output shaft of the electric telescopic rod 8. When the output shaft of the electric telescopic rod 8 is in the process of telescopic movement, it can drive the connecting ring 7 to move up and down. A transmission component is provided between the connecting ring 7 and the screw sleeve 4. During the up and down movement of the connecting ring 7, it can drive the multiple sets of screw sleeves 4 distributed on the inner core cylinder 3 to rotate simultaneously through the transmission component. When the screw sleeve 4 rotates relative to the screw 5, the screw 5 will move towards the inside or outside of the inner core cylinder 3 under the driving action of the screw sleeve 4. At this time, the multiple sets of blades 6 inserted into the inner core cylinder 3 will move towards the inside or outside of the inner core cylinder 3 under the drive of the screw 5.

[0018] The labels to be cut are fed to the inside of the inner core cylinder 3 via the labeling mechanism. An electric telescopic rod 8 drives a connecting ring 7 nested on the outside of the inner core cylinder 3 to move up and down along its surface. When the connecting ring 7 moves upward, it drives multiple sets of threaded sleeves 4 distributed around the inner core cylinder 3 to rotate simultaneously via a transmission assembly. This causes the threaded sleeves 4 to drive the screws 5 threaded inside them to move inward towards the inside of the inner core cylinder 3. The blades 6 at the ends of the screws 5 extend inward and contact the label, cutting into it from multiple directions. A reciprocating drive assembly controls the sleeve 2 to rotate in both directions. During this process, multiple sets of blades 6 inserted into the label will rotate back and forth around the label under the drive, thus cutting the label completely. Because the back and forth rotation of the blades 6 can repeatedly cut the label, the surrounding area of ​​the label is cut multiple times, and the stroke of the blades 6 is reduced, thus effectively improving the cutting efficiency. After the cutting is completed, the electric telescopic rod 8 drives the connecting ring 7 to move downward. At this time, the screw sleeve 4 will rotate under the action of the transmission component and drive the screw 5 to move outward towards the inner core cylinder 3, thereby causing the blades 6 to retract and return to their original position outward towards the inner core cylinder 3, so that the next set of labels can be cut.

[0019] For further details, please refer to Figures 1-4 The reciprocating drive assembly includes a telescopic cylinder 9 installed inside the housing 1, a first rack 10 connected to one end of the output shaft of the telescopic cylinder 9, and a first toothed ring 11 sleeved on the outside of the sleeve 2 and meshing with the first rack 10. The output shaft of the telescopic cylinder 9 can drive the first rack 10 to move horizontally reciprocally by extending and retracting back and forth. At this time, the first rack 10 will drive the first toothed ring 11 meshing with it to rotate in both directions, thereby driving the sleeve 2 to rotate in both directions.

[0020] For further details, please refer to Figures 1-4The transmission assembly includes a second toothed ring 12 sleeved on the surface of the threaded sleeve 4 and a second rack 13 fixedly connected to the connecting ring 7 and meshing with the second toothed ring 12. When the connecting ring 7 drives the second rack 13 to move up or down, the second rack 13 drives the second toothed ring 12 to rotate, thereby driving multiple sets of threaded sleeves 4 around the inner core cylinder 3 to rotate simultaneously. In addition, guide sleeves 14 are provided on both sides of the threaded sleeve 4 on the inner core cylinder 3. A guide rod 15 is slidably provided inside the guide sleeve 14. The rear end of the blade 6 is connected to the guide rod 15, and the guide rod 15 is slidably sleeved inside the guide rod 15. When the threaded sleeve 4 controls the blade 6 to move inward or outward towards the inner core cylinder 3 by rotating, the guide rod 15 will always slide along the inside of the guide sleeve 14 under the drive of the blade 6. At this time, the guide sleeve 14 and the guide rod 15 can guide the movement of the blade 6, so that the movement trajectory of the blade 6 can always remain horizontal and straight without deflecting with the rotation of the threaded sleeve 4.

[0021] For further details, please refer to Figures 1-4 A cover plate 16 is installed on the top of the outer shell 1. Screw grooves 17 are provided at the four corners of the inner shell 1. Mounting holes 18 corresponding to the screw grooves 17 are provided at the four corners of the cover plate 16. When the cover plate 16 covers the top of the outer shell 1, the mounting holes 18 on the cover plate 16 will align with the screw grooves 17 inside the outer shell 1. At this time, the screws are passed through the screw grooves 17 and screwed into the mounting holes 18 to fix the cover plate 16, thereby covering the internal structure of the outer shell 1. The cover plate 16 can be removed from the outer shell 1 by unscrewing the screws out of the mounting holes 18. A positioning sleeve 19 is provided on the cover plate 16. The positioning sleeve 19 is aligned with the center of the inner core cylinder 3. The diameter of the positioning sleeve 19 is slightly larger than the diameter of the label. The positioning sleeve 19 can position the label that extends into the inner core cylinder 3, so that the label can be aligned with the center of the inner core cylinder 3, thereby allowing the blade 6 inside the inner core cylinder 3 to cut the label from multiple directions.

[0022] The above are merely preferred embodiments of this utility model and are not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A high-speed label cutting device for a labeling machine, comprising a housing (1), characterized in that, The sleeve (2) is rotatably connected inside the outer shell (1). The sleeve (2) is provided with a reciprocating drive assembly for driving the sleeve (2) to rotate back and forth. The inner core cylinder (3) is provided inside the sleeve (2). The threaded sleeve (4) is rotatably connected to the inner core cylinder (3). The threaded sleeve (4) is arranged in multiple groups around the inner core cylinder (3). Each of the threaded sleeves (4) is threaded with a screw (5). The end of the screw (5) extends into the inner core cylinder (3) and is fixedly connected with a blade (6). The outer side of the inner core cylinder (3) is nested with a connecting ring (7). The sleeve (2) is fixedly provided with an electric telescopic rod (8) on both sides of the inner core cylinder (3). The connecting ring (7) is fixedly connected to the output shaft of the electric telescopic rod (8). A transmission assembly for driving multiple groups of the threaded sleeves (4) to rotate simultaneously is provided between the connecting ring (7) and the threaded sleeve (4).

2. The high-speed label cutting device for the labeling machine according to claim 1, characterized in that, The reciprocating drive assembly includes a telescopic cylinder (9) installed inside the housing (1), a first rack (10) connected to one end of the output shaft of the telescopic cylinder (9), and a first toothed ring (11) sleeved on the outside of the sleeve (2) and meshing with the first rack (10).

3. The high-speed label cutting device for the labeling machine according to claim 1, characterized in that, The transmission assembly includes a second toothed ring (12) sleeved on the surface of the threaded sleeve (4) and a second toothed rack (13) fixedly connected to the connecting ring (7) and meshing with the second toothed ring (12).

4. The high-speed label cutting device for the labeling machine according to claim 1, characterized in that, The inner core cylinder (3) is provided with guide sleeves (14) on both sides of the screw sleeve (4), and the rear end of the blade (6) is connected to a guide rod (15), which slides inside the guide sleeve (14).

5. The high-speed label cutting device for a labeling machine according to claim 1, characterized in that, A cover plate (16) is installed on the top of the outer shell (1), and screw grooves (17) are provided at the four corners inside the outer shell (1). Mounting holes (18) corresponding to the screw grooves (17) are provided at the four corners of the cover plate (16).

6. The high-speed label cutting device for a labeling machine according to claim 5, characterized in that, A positioning sleeve (19) is provided on the cover plate (16), and the positioning sleeve (19) is aligned with the center of the inner core cylinder (3).

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