Energy-saving drying device for label production
By combining a fan with a heating wire and a heat recovery device, the problems of uneven heat distribution and energy waste in label production are solved, achieving uniform drying of labels and high energy efficiency, thus improving production efficiency and environmental friendliness.
Patent Information
- Application Number
- CN202520586375.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-31
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2035-03-31
AI Technical Summary
Existing label production drying equipment suffers from uneven heat distribution and serious energy waste, making it difficult to guarantee consistent drying quality and energy efficiency.
The system employs a combination of a fan and heating wire, along with a hydraulic system and a heat recovery device, to achieve uniform distribution and recycling of hot air. The hot air path is optimized by adjusting the components, and the winding and limiting mechanisms ensure that the labels are conveyed flatly.
This method achieves uniform drying of labels, reduces energy consumption, improves production efficiency and consistency of drying quality, and meets the requirements of green and sustainable development.
Smart Images

Figure CN223925330U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of label production technology, and in particular to an energy-saving drying device for label production. Background Technology
[0002] Labels are printed materials used to identify and provide product information, and are widely used in packaging, logistics, and commodity circulation. The drying process in their production is crucial for ink curing and finished product quality. Traditional drying methods suffer from high energy consumption, uneven heating, and poor environmental performance. In contrast, energy-saving drying equipment, through technologies such as hot air circulation, precise temperature control, and uniform heating, significantly reduces energy consumption, improves production efficiency, and reduces carbon emissions while ensuring label drying quality, thus meeting the requirements of green and sustainable development in modern manufacturing.
[0003] A search revealed a label drying device in publication number CN218986097U, belonging to the field of label drying technology. The device includes a shell structure with two symmetrically installed barrier structures at its front and rear ends. Each barrier structure consists of a barrier baffle, a connecting plate, an adjusting screw, and a rotating column. The connecting plate is installed on the outer end of the barrier baffle, the adjusting screw is rotatably installed on the upper end of the connecting plate, and the rotating column is installed on the upper end of the adjusting screw. Two annular heating lamps are symmetrically installed inside the shell structure. By arranging the annular heating lamps, labels can pass through the space between them, preventing them from contacting other objects during drying. This ensures uniform heating of the labels and improves drying efficiency. The barrier structures allow for adjustment of the ventilation volume of the passageway, reducing the amount of air heated by the annular heating lamps escaping from the passageway. The device mainly consists of a drying chamber, a conveyor belt system, multiple sets of resistance heating tubes, and a temperature sensor. Its working principle is to generate radiant heat through resistance heating tubes, and then use metal reflectors to reflect the heat onto the label surface on the conveyor belt. The drying process is controlled by adjusting the power of the heating tubes and the speed of the conveyor belt. The device is equipped with an exhaust system to remove the volatile solvents, but the hot air is not recycled.
[0004] However, this application still has significant shortcomings: the radiant heating method it employs results in uneven heat distribution, easily leading to localized overheating or under-drying of the label surface, and the direct discharge of large amounts of hot air wastes energy. Especially when processing large-area labels or special materials requiring high temperature uniformity, this heating method struggles to guarantee consistent drying quality, while its low energy efficiency increases production costs. Therefore, this paper proposes an energy-saving drying device for label production to address these issues. Utility Model Content
[0005] To overcome the above shortcomings, this utility model provides an energy-saving drying device for label production, which aims to improve the existing technology where the drying structure is relatively simple and cannot achieve the effect of uniform heat distribution in drying labels.
[0006] To achieve the above objectives, this utility model provides the following technical solution: an energy-saving drying device for label production, comprising a housing, an internal cavity, multiple transmission holes, a mounting shell fixedly connected to the upper surface of the housing, multiple fans internally arranged in the mounting shell, dust covers on the outer walls of the fans, the mounting shell and the housing connected by a guide shell, a heating wire fixedly connected inside the guide shell, an energy-saving component on one side of the housing, and an adjustment component inside the housing;
[0007] The adjustment assembly includes multiple adjustment plates. One side of each adjustment plate is rotatably connected to the inside of the housing, and the other side of each adjustment plate is rotatably connected to a connecting plate. A rotating block is rotatably connected to one side of the connecting plate, and an extension rod is fixedly connected to one side of the rotating block. A hydraulic cylinder is fixedly connected to one side of the housing, and the output end of the hydraulic cylinder is fixedly connected to one end of the extension rod.
[0008] Furthermore, the energy-saving component includes a heat recovery tank, which is disposed on one side of the housing. A spiral tube is provided through the heat recovery tank at its front end. One end of the spiral tube is fixedly connected to one side of the inside of the housing, and the other end of the spiral tube is fixedly connected to one side of the mounting shell and one side of the guide shell.
[0009] Furthermore, a fixing block is fixedly connected to one side of the outer wall of the housing, and a winding roller is rotatably connected inside the fixing block.
[0010] Furthermore, a motor is fixedly connected to one side of the outer wall of the fixing block, and the output end of the motor passes through the fixing block and is fixedly connected to one end of the winding roller.
[0011] Furthermore, a fixed shell is fixedly connected to one side of the inner wall of the housing, a sliding frame is slidably connected inside the fixed shell, and a rotating roller is rotatably connected inside the sliding frame.
[0012] Furthermore, a movable frame is fixedly connected to the lower surface of the sliding frame, and a hydraulic rod is provided between the sliding frame and the fixed shell.
[0013] Furthermore, a mounting bracket is fixedly connected to one side of the movable frame and the inner wall of the housing, and a sliding block is slidably connected inside the mounting bracket.
[0014] Furthermore, a limiting roller is rotatably connected to one side of the sliding block, a spring is fixedly connected to one side of the sliding block, a base is fixedly connected to the lower surface of the housing, and the outer wall of the movable frame is slidably connected to the inside of the housing.
[0015] This utility model has the following beneficial effects:
[0016] 1. In this utility model, the airflow is transmitted through the dust cover by a fan to the vicinity of the heating wire for heating, and then the hot airflow is transmitted to the vicinity of the transmission hole through the cavity, thereby achieving the effect of uniformly transmitting the hot airflow into the shell to dry the label. Then, the connecting plate is driven by the hydraulic cylinder to reciprocate, thereby moving the adjusting plate to further transmit the hot air to the label and achieve the effect of efficiently drying the label. At the same time, the energy-saving components are used to save energy consumption, thereby improving the practicality of the device.
[0017] 2. In this utility model, the label paper is placed under the rotating roller and then passes through the outside of the two limiting rollers in an alternating manner. The label paper is then connected to one side of the take-up roller, thereby increasing the heating area of the label paper in the front part of the housing. At the same time, the rotating roller is moved by the hydraulic rod, which causes the spring to extend and retract, thereby driving the limiting roller to adjust its position. This achieves the effect of tensioning the label paper to prevent displacement and wrinkles that would lead to uneven drying, thus improving the practicality of the device. Attached Figure Description
[0018] Figure 1 This is a three-dimensional structural diagram of an energy-saving drying device for label production proposed in this utility model;
[0019] Figure 2 This is a schematic diagram of the guide shell portion of an energy-saving drying device for label production proposed in this utility model;
[0020] Figure 3 This is a schematic diagram of the limiting roller section of an energy-saving drying device for label production proposed in this utility model;
[0021] Figure 4 This is a schematic diagram of the extension rod portion of an energy-saving drying device for label production proposed in this utility model.
[0022] Legend:
[0023] 1. Housing; 2. Through cavity; 3. Transmission hole; 4. Mounting housing; 5. Fan; 6. Dust cover; 7. Guide housing; 8. Heating wire; 9. Heat recovery tank; 10. Spiral tube; 11. Adjusting plate; 12. Connecting plate; 13. Rotating block; 14. Extension rod; 15. Hydraulic cylinder; 16. Fixing block; 17. Motor; 18. Take-up roller; 19. Fixing housing; 20. Sliding frame; 21. Rotating roller; 22. Hydraulic rod; 23. Moving frame; 24. Mounting frame; 25. Spring; 26. Sliding block; 27. Limiting roller; 28. Base. Detailed Implementation
[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0025] Reference Figures 1-4 This utility model provides an embodiment of an energy-saving drying device for label production, comprising a housing 1, which serves as the main structure for support and sealing. A cavity 2 is provided inside the housing 1 for hot air transmission. Multiple transmission holes 3 are provided inside the housing 1 to evenly distribute hot air to the drying area. An mounting shell 4 is fixedly connected to the upper surface of the housing 1 for mounting a fan assembly. Multiple fans 5 are installed inside the mounting shell 4 to provide airflow power. A dust cover 6 is provided on the outer wall of the fans 5 to prevent dust from entering and affecting heating efficiency. The mounting shell 4 and the housing 1 are connected via a guide shell 7, which forms an airflow guiding channel. A heating wire 8 is fixedly connected inside the guide shell 7 to heat the airflow. An energy-saving component is provided on one side of the housing 1 for heat energy recovery and utilization. An adjustment component is provided inside the housing 1 to adjust the hot air distribution.
[0026] The adjustment assembly includes multiple adjustment plates 11, which are used to guide and adjust the direction of hot air. One side of the adjustment plate 11 is rotatably connected to the inside of the housing 1, and the other side of the adjustment plate 11 is rotatably connected to a connecting plate 12. The connecting plate 12 serves as a transmission component. One side of the connecting plate 12 is rotatably connected to a rotating block 13, which enables angle conversion. One side of the rotating block 13 is fixedly connected to an extension rod 14, which transmits hydraulic power. One side of the housing 1 is fixedly connected to a hydraulic cylinder 15, which provides adjustment power. The output end of the hydraulic cylinder 15 is fixedly connected to one end of the extension rod 14. The energy-saving assembly includes a heat recovery tank 9, which is used to store recovered heat energy. The heat recovery tank 9 is located on one side of the housing 1. A spiral tube 10 is installed through the heat recovery tank 9, which increases the heat exchange area. One end of the spiral tube 10 is fixedly connected to the inside of the housing 1, and the other end of the spiral tube 10 is fixedly connected to the guide shell 7 through the mounting shell 4.
[0027] Specifically, this utility model provides overall support through the housing 1, the fan 5 and the dust cover 6 work together to generate clean airflow, the heating wire 8 heats the airflow in the guide housing 7, and the hot air is evenly distributed through the passage cavity 2 and the transmission hole 3; the adjustment component drives the extension rod 14 through the hydraulic cylinder 15 to drive the adjustment plate 11 to swing, thereby optimizing the hot air distribution; the spiral tube 10 of the energy-saving component recovers waste heat in the heat recovery tank 9, thereby improving energy utilization.
[0028] Reference Figures 1-4 Another embodiment of this utility model: A fixing block 16 is fixedly connected to one side of the outer wall of the housing 1. The fixing block 16 is used to support the winding mechanism. A winding roller 18 is rotatably connected inside the fixing block 16. The winding roller 18 is used to complete the winding operation of the label. A motor 17 is fixedly connected to one side of the outer wall of the fixing block 16. The motor 17 provides winding power. The output end of the motor 17 passes through the fixing block 16 and is fixedly connected to one end of the winding roller 18. A fixing shell 19 is fixedly connected to one side of the inner wall of the housing 1. The fixing shell 19 serves as a sliding guide mechanism. A sliding frame 20 is slidably connected inside the fixing shell 19. The sliding frame 20 realizes the up-and-down adjustment function. A rotating roller 21 is rotatably connected inside the sliding frame 20. The rotating roller 21 is used to support and convey the label. A movable frame 23 is fixedly connected to the lower surface of the sliding frame 20. The movable frame 23 is connected to an adjustment mechanism. A hydraulic rod 22 is provided between the sliding frame 20 and the fixed shell 19, providing precise height adjustment. A mounting frame 24 is fixedly connected to one side of the movable frame 23 and one side of the inner wall of the shell 1. The mounting frame 24 is used to install a limiting mechanism. A sliding block 26 is slidably connected inside the mounting frame 24. A limiting roller 27 is rotatably connected to one side of the sliding block 26 to ensure that the label is conveyed flat. A spring 25 is fixedly connected to one side of the sliding block 26 to provide automatic tension. A base 28 is fixedly connected to the lower surface of the shell 1 to ensure stable operation of the equipment. The outer wall of the movable frame 23 is slidably connected inside the shell 1.
[0029] Specifically, this invention uses a fixed block 16 and a motor 17 to drive the winding roller 18 to complete label winding. A fixed housing 19 and a sliding frame 20, in conjunction with a hydraulic rod 22, adjust the height of the rotating roller 21. Limiting rollers 27 on the moving frame 23 and mounting frame 24 automatically maintain label tension under the action of springs 25. The base 28 provides stable support. This structure achieves smooth label delivery and precise winding, effectively preventing label wrinkles and misalignment, and improving drying uniformity and production efficiency.
[0030] Working principle: When using this energy-saving drying device to produce labels, the label paper is first passed through the rotating roller 21 and placed between the two limiting rollers 27. Then, one end of the label paper is placed on the take-up roller 18. At this time, the hydraulic rod 22 is activated, which pushes the rotating roller 21 to move, thereby achieving the effect of adjusting the tightness of the label paper according to the usage requirements. Then, the extension and contraction of the spring 25 is used to reduce the tension pressure. Then, the motor 17 is started to drive the take-up roller 18 to wind up the label paper. Then, the fan 5 and the heating wire 8 are started. The fan 5 transmits the external airflow through the dust cover 6 to the vicinity of the heating wire 8 for heating. Then, the hot airflow is transmitted into the cavity 2 to heat the label paper. The hot air is evenly transferred to the inside of the housing 1 to dry the label paper. At this time, the hydraulic cylinder 15 is activated to drive the extension rod 14 to move back and forth, which facilitates the reciprocating motion of the connecting plate 12. At the same time, the movement of the connecting plate 12 facilitates the reciprocating swing of the adjusting plate 11, which further evenly distributes the hot airflow to the inside of the housing 1 to achieve efficient drying. Then, the excess hot airflow is collected by the spiral tube 10 and transferred to the heat recovery tank 9. A large amount of clean water is injected into the heat recovery tank 9. The hot airflow enters the heat recovery tank 9 to heat the clean water and achieve secondary utilization of heat energy to achieve energy saving. At the same time, the airflow will reach the heating wire 8 again and be heated and reused, thus achieving high efficiency and energy saving.
[0031] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. An energy-saving drying device for label production, comprising a housing (1), characterized in that: The housing (1) has a through cavity (2) inside, and multiple transmission holes (3) are opened through the housing (1). A mounting shell (4) is fixedly connected to the upper surface of the housing (1). Multiple fans (5) are installed through the mounting shell (4). A dust cover (6) is provided on the outer wall of the fans (5). The mounting shell (4) and the housing (1) are connected through a guide shell (7). A heating wire (8) is fixedly connected inside the guide shell (7). An energy-saving component is provided on one side of the housing (1). An adjustment component is provided inside the housing (1). The adjustment assembly includes multiple adjustment plates (11). One side of the adjustment plate (11) is rotatably connected to the inside of the housing (1). The other side of the adjustment plate (11) is rotatably connected to a connecting plate (12). One side of the connecting plate (12) is rotatably connected to a rotating block (13). One side of the rotating block (13) is fixedly connected to an extension rod (14). One side of the housing (1) is fixedly connected to a hydraulic cylinder (15). The output end of the hydraulic cylinder (15) is fixedly connected to one end of the extension rod (14).
2. The energy-saving drying device for label production according to claim 1, characterized in that: The energy-saving component includes a heat recovery tank (9), which is disposed on one side of the housing (1). A spiral tube (10) is provided through the temporal part of the heat recovery tank (9). One end of the spiral tube (10) is fixedly connected to one side of the inside of the housing (1), and the other end of the spiral tube (10) is fixedly connected to one side of the mounting shell (4) and one side of the guide shell (7).
3. The energy-saving drying device for label production according to claim 1, characterized in that: A fixing block (16) is fixedly connected to one side of the outer wall of the housing (1), and a winding roller (18) is rotatably connected inside the fixing block (16).
4. The energy-saving drying device for label production according to claim 3, characterized in that: A motor (17) is fixedly connected to one side of the outer wall of the fixed block (16), and the output end of the motor (17) passes through the fixed block (16) and is fixedly connected to one end of the winding roller (18).
5. The energy-saving drying device for label production according to claim 4, characterized in that: A fixed shell (19) is fixedly connected to one side of the inner wall of the housing (1). A sliding frame (20) is slidably connected inside the fixed shell (19). A rotating roller (21) is rotatably connected inside the sliding frame (20).
6. The energy-saving drying device for label production according to claim 5, characterized in that: A movable frame (23) is fixedly connected to the lower surface of the sliding frame (20), and a hydraulic rod (22) is provided between the sliding frame (20) and the fixed shell (19).
7. An energy-saving drying device for label production according to claim 6, characterized in that: The movable frame (23) is fixedly connected to one side of the inner wall of the housing (1) by a mounting frame (24), and a sliding block (26) is slidably connected inside the mounting frame (24).
8. The energy-saving drying device for label production according to claim 7, characterized in that: The sliding block (26) is rotatably connected to a limiting roller (27) on one side, and a spring (25) is fixedly connected to one side of the sliding block (26). A base (28) is fixedly connected to the lower surface of the housing (1), and the outer wall of the movable frame (23) is slidably connected to the inside of the housing (1).
Citation Information
Patent Citations
Drying device for label production
CN218986097U