Large paper roll embedded label printer

By introducing a driver and guide design into the label printer, combined with springs and reflection sensors, the problems of paper jams and paper roll balance detection have been solved, achieving an efficient and stable printing process and improving the practicality and ease of operation of the equipment.

CN223989886UActive Publication Date: 2026-03-13SHENZHEN ICOD DIGITAL
View PDF 1 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-14
Publication Date
2026-03-13

AI Technical Summary

Technical Problem

Existing label printers are prone to paper jams due to friction with the chassis during operation. They lack damping and buffering, which affects print quality and efficiency. They also cannot detect the remaining paper roll in real time, leading to production interruptions and increased manual labor intensity.

Method used

The design incorporates a driver and guide, along with springs and a reflective sensor, to achieve damping buffering and real-time paper roll balance detection, reducing friction and paper jams while monitoring paper roll balance.

Benefits of technology

It improves printing quality and efficiency, reduces manual labor intensity, enhances equipment flexibility and practicality, and reduces vibration and impact during the printing process.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223989886U_ABST
    Figure CN223989886U_ABST
Patent Text Reader

Abstract

The utility model relates to the field of percussion hammers, and discloses a large paper roll embedded label printer which comprises a main body, one side of the main body is fixedly connected with a first driver, the output end of the first driver is fixedly connected with a power device, one end of the power device is fixedly connected with a driving shaft, and the other end of the power device is fixedly connected with a second driver. A first driver is installed on the driving shaft, a second paper roll is fixedly connected to the outer wall of the driving shaft, a first base plate is installed on the power device, and a first circular plate is fixedly connected to one side of the first base plate, the first driver is started to drive the power device to rotate, then the power device drives the driving shaft to rotate, the driving shaft drives the second paper roll to rotate at the moment, and the second paper roll is driven to rotate. According to the label printer, friction between the label printer and the base plate and paper clamping are avoided when the label printer works, damping buffer can be added and the allowance of a monitored paper roll can be fed back when the label printer works, the labor intensity of workers is reduced, the flexibility is improved, damping buffer is beneficial to reducing vibration and impact in the printing process, the working efficiency is improved, and the practicability is improved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of label printers, and more particularly to a large paper roll embedded label printer. Background Technology

[0002] Large roll embedded label printers are specially designed label printing devices. They incorporate large rolls of labels within the printer itself, using specific printing technology to print information onto the labels. These printers are typically equipped with the capacity to hold large rolls of paper, allowing users to print more labels continuously, reducing the frequency of roll changes and improving work efficiency. The label rolls are integrated into the printer body, resulting in a more compact structure, smaller footprint, and easier roll replacement and management. Due to their high efficiency and continuous printing capabilities, large roll embedded label printers are widely used in various fields for printing... Large roll embedded label printers are efficient and compact label printing devices suitable for high-volume, continuous printing needs across multiple sectors. They are used to print logistics labels, inventory labels, etc., to help track the location and status of goods, manage the quantity and location information of inventory items, print product labels, price tags, etc., to facilitate customer viewing of product information and quick checkout, print medicine labels, patient information labels, etc., to ensure the correct use and management of medicines and medical devices, and print product identification labels, batch labels, etc., to help track the product's production process and quality control. When purchasing, users need to comprehensively consider their actual needs to choose the most suitable printer model.

[0003] According to Chinese patent publication number CN213734167U, a thermal printer suitable for large paper rolls includes a base, a middle frame, and a flip cover. A first printhead with a rubber roller is installed at the rear of the middle frame. A second printhead with a thermal sheet is installed at the rear of the flip cover. When the flip cover is closed with the middle frame, a horizontal paper feeding channel is formed between the first and second printheads. The thermal sheet abuts against the rubber roller. A paper outlet is located at the rear of the middle frame, and a paper tray with a diameter greater than 80mm is located at the front of the middle frame. The front and rear ends of the paper feeding channel are connected to the paper tray and the paper outlet, respectively. A paper roll is placed on the paper tray, with the central axis of the paper roll parallel to the central axis of the rubber roller, and the central axes of the paper roll and the rubber roller are on the same horizontal plane. The printing paper passes through the horizontal paper feeding channel and is output from the paper outlet, changing the paper output from top to horizontal. Because the central axis of the paper roll and the central axis of the rubber roller are on the same horizontal plane, the drag force of the paper roll's center of gravity on the printing paper is reduced, ensuring smooth paper feeding.

[0004] In the above solution, a horizontal paper path is formed between the first and second printheads when the flip cover is fastened to the middle frame. The thermal sheet abuts against the rubber roller, and a paper outlet is provided at the rear end of the middle frame, while a paper tray is provided at the front. This results in the following disadvantages: Existing label printers are prone to paper jams due to friction with the chassis during operation, reducing practicality and making them unsuitable for long-term use. They also lack flexibility. Furthermore, label printers cannot increase damping buffers during operation, affecting print quality and causing unclear printing. The lack of damping buffers leads to unstable contact between the printhead and the label paper, resulting in unclear printed text, reducing work efficiency and stability. In addition, label printers cannot detect the distance between the printer and the paper roll in real time to detect the paper roll radius and monitor the paper roll remaining, leading to a decrease in production efficiency. When the paper roll is exhausted, the printer may suddenly stop, causing production interruption, increasing manual labor intensity, limiting automation, and reducing flexibility. Utility Model Content

[0005] To address the aforementioned issues, this invention proposes a large-roll embedded label printer, which more precisely solves the problem that existing label printers are prone to paper jams due to friction with the chassis during operation, and the inability to increase damping buffer during operation, thus affecting print quality.

[0006] This utility model is achieved through the following technical solutions:

[0007] This utility model proposes a large paper roll embedded label printer, including a main body, a first driver fixedly connected to one side of the main body, a power unit fixedly connected to the output end of the first driver, a drive shaft fixedly connected to one end of the power unit, a second paper roll fixedly connected to the outer wall of the drive shaft, a first chassis mounted on the power unit, and a first circular plate fixedly connected to one side of the first chassis.

[0008] Furthermore, a second driver is fixedly connected to one side of the main body, a second chassis is mounted on the second driver, a first paper roll is fixedly connected to the outer wall of the second driver, and a second circular plate is fixedly connected to one side of the second chassis.

[0009] Furthermore, a fixing plate is fixedly connected to one side of the main body, the fixing plate has multiple fixing holes, and a second circular plate is provided on the fixing plate.

[0010] Furthermore, a sticker applicator is fixedly connected to one side of the fixing plate, a spring is installed on the sticker applicator, a reflection sensor is installed on the spring, and a threaded hole is opened on the reflection sensor.

[0011] Furthermore, a first circular hole is provided on the first circular plate, and a gear is provided on the power unit.

[0012] Furthermore, a second circular hole is provided on the second circular plate, and multiple bolts are provided on the fixing plate.

[0013] Furthermore, a first guide member is fixedly connected to one side of the main body, and a connecting rod is fixedly connected to one side of the main body.

[0014] Furthermore, a second guide is fixedly connected to one side of the main body, and multiple grooves are provided on the main body.

[0015] The beneficial effects of this utility model are:

[0016] 1. In use, the first driver is started to drive the power unit to rotate, which in turn drives the drive shaft to rotate. The drive shaft then drives the second paper roll to rotate, and the second driver is started to drive the first paper roll to rotate. At this point, the paper rolls of the first and second paper rolls begin to rotate out. Then, the first and second base plates at the bottom of the paper rolls can rotate. The first and second base plates drive the first and second circular plates to rotate, which reduces friction during the rotation of the paper roll and facilitates its rotation. Then, the sticker applicator is started to drive the spring to work. The spring can swing slightly left and right during the rotation of the paper roll. The spring can increase the damping and buffering effect on the path of the paper roll traveling on the paper application position. The spring and the paper roll abut against each other, and the reflection sensor connected to one side of the spring can detect the distance between itself and the paper roll in real time to detect the paper roll radius and monitor the remaining paper roll. The printing paper roll matched with the equipment has two layers: the second paper roll has one layer of face paper, and the first paper roll has one layer of back paper. The paper roll's face paper is automatically attached to the test tube, and the bottom paper is recycled, preventing paper jams caused by friction with the chassis during label printing. It also features added damping buffering and feedback monitoring of the paper roll's remaining volume, improving production efficiency, reducing manual labor intensity, and enhancing flexibility. The damping buffering helps reduce vibration and impact during printing, improving work efficiency, convenience, speed, time-saving, labor-saving, practicality, and ease of operation. Attached Figure Description

[0017] Figure 1 This is a frontal perspective view of the embodiment.

[0018] Figure 2 This is a schematic diagram of the rear three-dimensional structure of the embodiment;

[0019] Figure 3 This is a schematic diagram of the exploded structure of an embodiment;

[0020] Figure 4 This is a schematic diagram of the structure of the spring clip in the embodiment;

[0021] Figure 5 This is a schematic diagram of the structure of the explosion sensor in the embodiment.

[0022] The attached figures are labeled as follows:

[0023] In the diagram, 1. Main body; 2. First driver; 3. Power unit; 4. Drive shaft; 5. First chassis; 6. Second driver; 7. Second chassis; 8. First guide; 9. Second guide; 10. First paper roll; 11. Second paper roll; 12. Fixing hole; 13. Fixing plate; 14. Spring; 15. Reflection sensor; 16. First circular plate; 17. Second circular plate; 18. Threaded hole; 19. Sticker. Detailed Implementation

[0024] To more clearly and completely illustrate the technical solution of this utility model, the following description, in conjunction with the accompanying drawings, will further explain this utility model.

[0025] The preferred embodiments of this utility model will now be described in detail with reference to the accompanying drawings.

[0026] like Figures 1-5 As shown, a large paper roll embedded label printer includes a main body 1. A first driver 2 is fixedly connected to one side of the main body 1. A power unit 3 is fixedly connected to the output end of the first driver 2. A drive shaft 4 is fixedly connected to one end of the power unit 3. A second paper roll 11 is fixedly connected to the outer wall of the drive shaft 4. A first chassis 5 is mounted on the power unit 3. A first circular plate 16 is fixedly connected to one side of the first chassis 5. A second driver 6 is fixedly connected to one side of the main body 1. A second chassis 7 is mounted on the second driver 6. A first paper roll 10 is fixedly connected to the outer wall of the second driver 6. A second circular plate 17 is fixedly connected to one side of the second chassis 7. A fixing plate is fixedly connected to one side of the main body 1. 13. The fixing plate 13 has multiple fixing holes 12. The fixing plate 13 is provided with a second circular plate 17. The sticker applicator 19 is fixedly connected to one side of the fixing plate 13. The sticker applicator 19 is equipped with a spring 14. The spring 14 is equipped with a reflection sensor 15. The reflection sensor 15 is provided with a threaded hole 18. The first circular plate 16 is provided with a first circular hole. The power unit 3 is provided with a gear. The second circular plate 17 is provided with a second circular hole. The fixing plate 13 is provided with multiple bolts. The main body 1 is fixedly connected to one side with a first guide member 8. The main body 1 is fixedly connected to one side with a connecting rod. The main body 1 is fixedly connected to one side with a second guide member 9. The main body 1 is provided with multiple grooves.

[0027] In operation, the first driver 2 is activated, driving the power unit 3 to rotate. The power unit 3 then drives the drive shaft 4 to rotate, which in turn drives the second paper roll 11 to rotate. Next, the second driver 6 is activated, driving the first paper roll 10 to rotate. At this point, the paper rolls of both the second and first paper rolls begin to rotate out. Then, the first and second base plates 5 and 7 at the bottom of the paper rolls can rotate. These base plates 5 and 7 then drive the first circular plate 16 and the second circular plate 17 to rotate, reducing friction during the paper roll rotation process. To facilitate paper roll rotation, the sticker applicator 19 is activated, driving the spring 14 to operate. The spring 14 can swing slightly left and right during paper roll rotation, providing damping and buffering along the paper roll's path to the sticker position. The spring 14 contacts the paper roll, and a reflection sensor 15 connected to one side of the spring 14 detects the distance to the paper roll in real time to measure the paper roll radius and monitor the remaining paper roll volume. The printing paper rolls matched with the equipment are two-layered: the second paper roll 11 has a face paper layer, and the first paper roll 10 has a back paper layer. The face paper is automatically applied to the test tube, and the back paper is then recycled. This prevents paper jams caused by friction with the chassis during label printing. It provides damping and buffering, and monitors the remaining paper roll volume, improving production efficiency, reducing manual labor intensity, and increasing flexibility. The damping and buffering help reduce vibration and impact during printing, improving work efficiency, convenience, speed, time-saving, labor-saving, practicality, and ease of operation.

[0028] Of course, there may be other implementations of this utility model. Based on this implementation, other implementations obtained by those skilled in the art without any creative effort are all within the scope of protection of this utility model.

Claims

1. A roll-in label printer for large paper rolls, comprising a main body, characterized in that, One side of the main body is fixedly connected with the first driver, the output end of the first driver is fixedly connected with the power device, one end of the power device is fixedly connected with the driving shaft, the outer wall of the driving shaft is fixedly connected with the second paper roll, the first bottom disc is installed on the power device, and one side of the first bottom disc is fixedly connected with the first circular plate.

2. The roll-in label printer of claim 1, wherein, One side of the main body is fixedly connected with the second driver, the second driver is installed with the second bottom disc, the outer wall of the second driver is fixedly connected with the first paper roll, and one side of the second bottom disc is fixedly connected with the second circular plate.

3. The roll-in label printer of claim 1, wherein, One side of the main body is fixedly connected with the fixed plate, a plurality of fixing holes are formed in the fixed plate, and the second circular plate is arranged on the fixed plate.

4. The roll-in label printer of claim 3 wherein, One side of the fixed plate is fixedly connected with the sticky note device, the elastic sheet is installed on the sticky note device, the reflective sensor is installed on the elastic sheet, and the threaded hole is formed in the reflective sensor.

5. The roll-in label printer of claim 1 wherein, The first circular plate is provided with the first circular hole, and the power device is provided with the gear.

6. The roll-in label printer of claim 4 wherein, The second circular plate is provided with the second circular hole, and the fixed plate is provided with a plurality of bolts.

7. The roll-in label printer of claim 1 wherein, One side of the main body is fixedly connected with the first guide, and one side of the main body is fixedly connected with the connecting rod.

8. The roll-in label printer of claim 1, wherein, One side of the main body is fixedly connected with the second guide, and a plurality of grooves are formed in the main body.

Citation Information

Patent Citations

  • Thermal printer suitable for large paper roll

    CN213734167U