Plastic bottle labeling machine
By adopting a conveyor roller design composed of a spring and a locking screw in the plastic bottle sleeve labeling machine, the label tightness can be automatically adjusted, the label wrinkle problem is solved, the sleeve labeling quality and efficiency are improved, and it is suitable for batch production.
Patent Information
- Application Number
- CN202423005376.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-06
- Publication Date
- 2025-09-30
- Estimated Expiration
- 2034-12-06
AI Technical Summary
When existing plastic bottle sleeve labeling machines are sleeved on plastic bottles of different sizes, the tightness of the labels cannot be automatically adjusted, resulting in wrinkles on the labels, affecting the sleeve labeling quality and work efficiency.
A plastic bottle labeling machine is designed. By using a combination of springs and locking screws in the conveyor roller group, the tightness of the label can be automatically adjusted to ensure that the label does not wrinkle during the feeding process.
It improves the quality of labeling, reduces the rework rate, improves work efficiency and is suitable for mass production.
Smart Images
Figure CN223396513U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of sleeve labeling machines, in particular to a sleeve labeling machine for plastic bottles. Background Art
[0002] During the production of plastic bottles, after blow molding, labeling operations are required. Existing plastic bottle labeling machines apply labels to bottles of varying sizes, resulting in labels of varying sizes. However, these machines cannot automatically adjust the tightness of the labels, resulting in wrinkles during the feeding process. This reduces label quality and sometimes even requires rework, impacting work efficiency and hindering mass production. Therefore, to address the shortcomings of the existing technology, improvements are necessary. Utility Model Content
[0003] The purpose of the utility model is to overcome the shortcomings and deficiencies in the prior art and to provide a plastic bottle sleeve labeling machine with stable feeding and high working efficiency.
[0004] The utility model is realized through the following technical solutions:
[0005] A plastic bottle labeling machine includes a frame, a plurality of label trays are provided on the left side of the frame, a label conveying device is provided on the right side of the label tray, and the frame is provided with a label unfolding device, a label flattening device, a label cutting device and a label pulling-down device in sequence from top to bottom. The label conveying device includes a first conveying roller group, a second conveying roller group, a third conveying roller group and a label conveying drive mechanism arranged on the top of the frame in sequence from left to right, the first conveying roller group, the second conveying roller group and the third conveying roller group each include a guide rod and an upper roller and a lower roller sleeved on the outside of the guide rod, the outer side of the guide rod is sleeved with a spring, the upper end and the lower end of the spring respectively press against the bottom of the upper roller and the top of the lower roller, and the outer side of the upper roller is installed with a locking screw that presses against the guide rod.
[0006] Furthermore, the label conveying drive mechanism includes a first motor, a first conveying roller and a second conveying roller. The motor shaft of the first motor is connected to a driving pulley. The first conveying roller and the second conveying roller are respectively provided with a first driven pulley and a second driven pulley. The driving pulley is respectively connected to the first driven pulley and the second driven pulley through a belt.
[0007] Furthermore, the label unfolding device includes a label unfolding piece, a guide clamp and a guide sleeve arranged outside the label unfolding piece, and a label guide post arranged at the lower end of the label unfolding piece.
[0008] Furthermore, the label flattening device includes a second motor, a label flattening reduction gearbox and a label flattening guide roller. The motor shaft of the second motor is transmission-connected to the power input end of the label flattening reduction gearbox, and the label flattening guide roller is installed at the power output end of the label flattening reduction gearbox.
[0009] Furthermore, the label cutting device includes a third motor, a label cutting driving pulley and several label cutting driven pulleys. The motor shaft of the third motor is connected to the label cutting driving pulley, and the label cutting driving pulley is connected to the label cutting driven pulley through a belt. Both the label cutting driving pulley and the label cutting driven pulley are equipped with cutting knives.
[0010] Furthermore, a cutting groove is provided at the lower portion of the label guide post.
[0011] Furthermore, the label pulling-down device includes a fourth motor, a label pulling-down reduction gearbox and a label pulling-down guide roller. The motor shaft of the fourth motor is transmission-connected to the power input end of the label pulling-down reduction gearbox, and the label pulling-down guide roller is installed at the power output end of the label pulling-down reduction gearbox.
[0012] Furthermore, a conveyor belt passing through the frame is provided at the lower portion of the frame, and an in-position sensor is provided at the rear side of the frame.
[0013] Furthermore, a clamping plate is provided at the lower portion of the frame, and a cylinder is installed on the frame to drive the clamping plate to move forward and backward.
[0014] Furthermore, a label heat shrinking device is provided on the right side of the frame.
[0015] Compared with the prior art, the utility model comprises a label conveying device including a first conveying roller group, a second conveying roller group, a third conveying roller group and a label conveying drive mechanism arranged on the top of the frame, which are arranged in sequence from left to right. The first conveying roller group, the second conveying roller group and the third conveying roller group all include a guide rod and an upper roller and a lower roller sleeved on the outside of the guide rod. A spring is sleeved on the outside of the guide rod, and the upper and lower ends of the spring respectively press against the bottom of the upper roller and the top of the lower roller. A locking screw that presses against the guide rod is installed on the outside of the upper roller. Under the action of the label tension and the spring elastic force, the lower roller can automatically adjust downward and reset, so that the label tightness of the labeling machine can be automatically adjusted. During the feeding process, the label will not be wrinkled, thereby improving the quality of the label, reducing the rework rate, improving work efficiency, and facilitating mass production. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.
[0017] Figure 1 This is a schematic diagram of the structure of the plastic bottle labeling machine in the first direction of the present invention;
[0018] Figure 2 This is a schematic diagram of the second direction structure of the plastic bottle labeling machine of the utility model.
[0019] In the figure: 1-frame; 2-label plate; 3-first conveyor roller group; 4-second conveyor roller group; 5-third conveyor roller group; 6-guide rod; 7-upper roller; 8-lower roller; 9-spring; 10-locking screw; 11-first motor; 12-first conveyor roller; 13-driving pulley; 14-first driven pulley; 15-second driven pulley; 16-label unfolding piece; 17-guide clamp; 18-guide sleeve; 19-label guide post; 20-label flattening reduction gearbox; 21-label flattening guide roller; 22-third motor; 23-fourth motor; 24-label pull-down reduction gearbox; 25-label pull-down guide roller; 26-conveyor belt; 27-in-place sensor; 28-holding plate; 29-label heat shrink device. DETAILED DESCRIPTION
[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0021] like Figure 1 and Figure 2The utility model is shown as a plastic bottle labeling machine, including a frame 1, a plurality of label trays 2 are provided on the left side of the frame 1, and a label conveying device is provided on the right side of the label tray 2. The frame 1 is provided with a label unfolding device, a label flattening device, a label cutting device and a label pulling-down device from top to bottom. The label conveying device includes a first conveying roller group 3, a second conveying roller group 4, a third conveying roller group 5 and a label conveying drive mechanism arranged on the top of the frame 1. The first conveying roller group 3, the second conveying roller group 4 and the third conveying roller group 5 all include a guide rod 6 and an upper roller 7 and a lower roller 8 sleeved on the outside of the guide rod 6. The outside of the guide rod 6 is sleeved with a spring 9, and the upper and lower ends of the spring 9 respectively press against the bottom of the upper roller 7 and the top of the lower roller 8. The outer side of the upper roller 7 is installed with a locking screw 10 that presses against the guide rod 6. The label conveying device includes a first conveying roller group 3, a second conveying roller group 4, a third conveying roller group 5 and a label conveying drive mechanism arranged on the top of the frame 1, which are arranged in sequence from left to right. The first conveying roller group 3, the second conveying roller group 4 and the third conveying roller group 5 all include a guide rod 6 and an upper roller 7 and a lower roller 8 sleeved on the outside of the guide rod 6. A spring 9 is sleeved on the outside of the guide rod 6. The upper and lower ends of the spring 9 respectively press against the bottom of the upper roller 7 and the top of the lower roller 8. A locking screw 10 is installed on the outside of the upper roller 7 to tighten the guide rod 6. The lower roller 8 can automatically adjust downward and reset under the action of the label tension and the spring elastic force, so that the label tightness of the labeling machine can be automatically adjusted. During the feeding process, the label will not be wrinkled, thereby improving the quality of the label, reducing the rework rate, improving work efficiency, and facilitating mass production.
[0022] The label transmission drive mechanism includes a first motor 11, a first transmission roller 12 and a second transmission roller. The motor shaft of the first motor 11 is connected to a driving pulley 13. The first transmission roller 12 and the second transmission roller are respectively provided with a first driven pulley 14 and a second driven pulley 15. The driving pulley 13 is respectively connected to the first driven pulley 14 and the second driven pulley 15 through belts to improve the stability and continuity of label transmission.
[0023] The label unfolding device includes a label unfolding piece 16, a guide clamp 17 provided on the outside of the label unfolding piece 16, a guide sleeve 18 and a label guide post 19 provided at the lower end of the label unfolding piece 16, so that the label can be unfolded stably and guided smoothly, and convenient and stable transmission is facilitated.
[0024] The label flattening device includes a second motor, a label flattening reduction gearbox 20 and a label flattening guide roller 21. The motor shaft of the second motor is transmission-connected to the power input end of the label flattening reduction gearbox 20. The label flattening guide roller 21 is installed at the power output end of the label flattening reduction gearbox 20 to facilitate smooth flattening of the label and facilitate subsequent cutting and transportation.
[0025] The label cutting device includes a third motor 22, a label cutting driving pulley and several label cutting driven pulleys. The motor shaft of the third motor 22 is connected to the label cutting driving pulley, and the label cutting driving pulley is connected to the label cutting driven pulley through a belt. The label cutting driving pulley and the label cutting driven pulley are both equipped with cutting knives, which are distributed in a ring array. The third motor 22 drives the cutting knives to cut the labels.
[0026] A cutting groove is provided at the lower portion of the label guide post 19 to prevent the cutting knife from damaging the label guide post 19 .
[0027] The label pulling-down device includes a fourth motor 23, a label pulling-down reduction gearbox 24 and a label pulling-down guide roller 25. The motor shaft of the fourth motor 23 is transmission-connected to the power input end of the label pulling-down reduction gearbox 24. The label pulling-down guide roller 25 is installed at the power output end of the label pulling-down reduction gearbox 24 to facilitate pulling down the label and putting it on the plastic bottle.
[0028] A conveyor belt 26 passing through the frame 1 is provided at the lower part of the frame 1 , and an in-place sensor 27 is provided at the rear side of the frame 1 to detect the in-place status of the plastic bottles, thereby facilitating accurate labeling.
[0029] A pressing plate 28 is provided at the lower part of the frame 1 , and a cylinder is installed on the frame 1 to drive the pressing plate 28 to move back and forth. The pressing plate 28 presses the plastic bottle tightly, facilitating accurate labeling.
[0030] A label heat shrinking device 29 is provided on the right side of the frame 1 to heat and shrink the label so that the label can be stably mounted on the plastic bottle.
[0031] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.
Claims
1. A plastic bottle labeling machine, characterized by: The label conveying device comprises a frame, a plurality of label trays are provided on the left side of the frame, a label conveying device is provided on the right side of the label tray, and the frame is provided with a label unfolding device, a label flattening device, a label cutting device and a label pulling-down device in sequence from top to bottom. The label conveying device comprises a first conveying roller group, a second conveying roller group, a third conveying roller group and a label conveying driving mechanism arranged on the top of the frame in sequence from left to right, the first conveying roller group, the second conveying roller group and the third conveying roller group all include a guide rod and an upper roller and a lower roller sleeved on the outside of the guide rod, the outside of the guide rod is sleeved with a spring, the upper end and the lower end of the spring respectively press against the bottom of the upper roller and the top of the lower roller, and the outer side of the upper roller is installed with a locking screw that presses against the guide rod.
2. The plastic bottle sleeve labeling machine according to claim 1, characterized in that: The label conveying drive mechanism includes a first motor, a first conveying roller and a second conveying roller. The motor shaft of the first motor is connected to a driving pulley. The first conveying roller and the second conveying roller are respectively provided with a first driven pulley and a second driven pulley. The driving pulley is respectively connected to the first driven pulley and the second driven pulley through a belt.
3. The plastic bottle labeling machine according to claim 1, characterized in that: The label unfolding device comprises a label unfolding piece, a guide clamp arranged outside the label unfolding piece, a guide sleeve and a label guide post arranged at the lower end of the label unfolding piece.
4. The plastic bottle labeling machine according to claim 1, characterized in that: The label flattening device includes a second motor, a label flattening reduction gearbox and a label flattening guide roller. The motor shaft of the second motor is transmission-connected to the power input end of the label flattening reduction gearbox. The label flattening guide roller is installed at the power output end of the label flattening reduction gearbox.
5. The plastic bottle sleeve labeling machine according to claim 1, characterized in that: The label cutting device includes a third motor, a label cutting driving pulley and a plurality of label cutting driven pulleys. The motor shaft of the third motor is connected to the label cutting driving pulley, and the label cutting driving pulley is connected to the label cutting driven pulley through a belt. Both the label cutting driving pulley and the label cutting driven pulley are equipped with cutting knives.
6. The plastic bottle sleeve labeling machine according to claim 3, characterized in that: A cutting groove is provided at the lower part of the label guide post.
7. The plastic bottle sleeve labeling machine according to claim 1, characterized in that: The label pulling-down device includes a fourth motor, a label pulling-down reduction box and a label pulling-down guide roller. The motor shaft of the fourth motor is transmission-connected to the power input end of the label pulling-down reduction box. The label pulling-down guide roller is installed at the power output end of the label pulling-down reduction box.
8. The plastic bottle sleeve labeling machine according to claim 1, characterized in that: A conveyor belt passing through the frame is provided at the lower portion of the frame, and an in-position sensor is provided at the rear side of the frame.
9. The plastic bottle sleeve labeling machine according to claim 1, characterized in that: A pressing plate is provided at the lower part of the frame, and a cylinder for driving the pressing plate to move forward and backward is installed on the frame.
10. The plastic bottle sleeve labeling machine according to claim 1, characterized in that: A label heat shrinking device is provided on the right side of the frame.