Packaging bag printing structure with auxiliary drying function
By introducing components such as UV curing lamps and activated carbon plates into the printing structure, the problem of long drying time in traditional screen printing has been solved, achieving rapid drying and environmentally friendly processing, and improving printing quality and efficiency.
Patent Information
- Application Number
- CN202520201528.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-08
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-02-08
AI Technical Summary
In traditional screen printing, the drying process after printing is time-consuming and inefficient, and changes in environmental conditions affect the drying effect, leading to uneven printing quality and an increased defect rate.
The printing structure consists of a belt conveyor, UV curing lamp, fan, and activated carbon plate. The UV curing lamp quickly cures the ink, the fan removes the exhaust gas, and the activated carbon plate adsorbs volatile substances such as ozone. Combined with the design of guide plates and collection plates, it achieves rapid drying and environmentally friendly treatment.
It achieves rapid ink drying and strong adhesion, reduces uneven drying problems, improves production efficiency, and ensures the environmental friendliness and safety of the printing process.
Smart Images
Figure CN223904712U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of packaging printing, and specifically relates to a packaging bag printing structure with an auxiliary drying function. BACKGROUND
[0002] With the progress of modern industry and the increasing expectations of consumers for product packaging, packaging bags not only need to provide sufficient protection, but also need to meet the requirements of aesthetic design and effective information transmission, and printing plays an indispensable role in achieving these goals, and screen printing is widely used in the field of packaging bag manufacturing due to its characteristics of adapting to various materials and ensuring high-quality output.
[0003] A significant limitation of the traditional screen printing process is the drying step after printing. In order to allow the ink to dry completely and adhere firmly to the surface of the packaging material, it is usually necessary to undergo natural air drying or use simple heating equipment to speed up the process. However, such drying methods are time-consuming and inefficient, which seriously hinders the speed and scale of production. In particular, in the context of mass production, the waiting time for ink drying becomes a key factor limiting production capacity. At the same time, changes in environmental conditions such as temperature and humidity can also affect the drying effect of the ink, causing uneven drying problems. This not only damages the printing quality, but also can lead to an increase in defective products. Therefore, we propose a packaging bag printing structure with an auxiliary drying function to overcome the above-mentioned defects. SUMMARY
[0004] In order to overcome the shortcomings of the prior art, the packaging bag printing structure with an auxiliary drying function is provided to dry the printed packaging bags in a timely manner and improve the printing production efficiency of the packaging bags.
[0005] A packaging bag printing structure with an auxiliary drying function, comprising a belt conveyor and a conveyor belt, the belt conveyor being the assembly main body of the printing structure, and the belt conveyor being provided with a conveyor belt on the top for conveying packaging bags; further comprising a printing assembly, a drying box, a uv curing lamp, a fan, a waste gas treatment box, a discharge pipe and a filter, the printing assembly being installed on one side of the belt conveyor inlet, the printing assembly being used for printing the packaging bags on the conveyor belt, the drying box being arranged on one side of the belt conveyor outlet, the drying box being provided with through openings on both sides near the conveyor belt for the packaging bags to pass through, a plurality of uv curing lamps being assembled on the inner top of the drying box, a plurality of fans being installed on the side wall of the drying box, the fans being used for safely extracting the contaminated waste gas generated when the packaging bags are dried in the drying box, the waste gas treatment box being installed on the side wall of the drying box near the fans, the filter being installed on the waste gas treatment box, and the fans being directed towards the waste gas treatment box.
[0006] Further illustrate, the printing assembly is specifically a screen printing machine, the screen frame of the screen printing machine is close to the conveying belt of the belt conveyor, and the screen printing machine prints the packaging bag by transferring ink to the packaging bag through a stencil.
[0007] Further illustrate, the filter is specifically an activated carbon plate, a placing groove is formed in the top of the waste gas treatment box, the activated carbon plate is inserted into the placing groove of the waste gas treatment box, the activated carbon plate is used for adsorbing ozone or other low-molecular-weight volatile substances, a handle is arranged on the top of the activated carbon plate, waste gas generated in the drying box is sucked into the waste gas treatment box through the fan for adsorption treatment through the activated carbon plate, and the safety of the printing structure is improved.
[0008] Further illustrate, the waste gas treatment box is communicated with a discharge pipe, the discharge pipe is used for docking external waste gas treatment equipment, waste gas generated after uv curing lamp packaging bags can be environmentally transferred and safely treated, and the environmental protection of the printing structure is improved.
[0009] Further illustrate, the box body of the waste gas treatment box is fixedly connected with a guide rod on one side of the outer wall, a wedge-shaped block is slidably arranged on the guide rod, the wedge-shaped block is slidably clamped on the top of the activated carbon plate, and a spring is arranged between the guide rod and the wedge-shaped block; the activated carbon plate is locked on the waste gas treatment box by the wedge-shaped block after the activated carbon plate is pressed to overcome the elastic force of the spring.
[0010] Further illustrate, the waste gas treatment box is fixedly installed with a guide plate near the discharge port of the conveying belt, a sliding groove is formed in the guide plate, and the collecting plate is slidably arranged on the guide plate through the sliding groove; the collecting plate is an L-shaped plate, and a sliding damping exists between the guide plate and the collecting plate; the collecting plate with a proper length is stretched on the guide plate, so that the printed packaging bag can directly fall on the collecting plate with a proper size for receiving.
[0011] Compared with the prior art, the printing structure has the following advantages:
[0012] 1. The packaging bag printed on the conveying belt is cured by the uv curing lamp under the protection of the drying box, so that the ink can be quickly dried and firmly attached to the packaging material, the problem of uneven drying caused by environmental factors is reduced, and the waste gas generated during drying can be safely treated by being sucked into the waste gas treatment box through the fan.
[0013] 2. The activated carbon plate in the waste gas treatment box is designed in a plug-in manner, and the wedge-shaped block and the spring mechanism are used to realize simple locking and replacement, so that the operator can conveniently update the filter medium regularly and keep the system in efficient operation.
[0014] 3、The utility model still can pass through the design of the guide plate cooperation collection board, allow according to the actual size of printing packaging bag needs to adjust the length of bearing, it is convenient to collect the packaging bag of printing finished, simplify subsequent arrangement work. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is the three-dimensional structure schematic diagram of the utility model.
[0016] Figure 2 It is the schematic diagram of drying box, uv curing lamp, fan and waste gas treatment etc.
[0017] Figure 3 It is the schematic diagram of drying box, discharge pipe, activated carbon plate, handle and wedge.
[0018] Figure 4 It is the connection relation diagram of belt conveyor, transmission belt, guide plate and collection board of the utility model.
[0019] Among them, the above-mentioned drawing includes the following sign: 1, belt conveyor, 2, transmission belt, 3, printing assembly, 4, drying box, 5, uv curing lamp, 6, fan, 7, waste gas treatment box, 8, discharge pipe, 9, activated carbon plate, 10, handle, 11, guide rod, 12, wedge, 13, spring, 14, guide plate, 15, collection board. DETAILED DESCRIPTION
[0020] Although the utility model can be described in relation to a particular application or industry, those skilled in the art will recognize a broader applicability of the utility model. Those of ordinary skill in the art will recognize that terms such as: above, below, upward, downward, etc. are used to describe the drawings and are not meant to limit the scope of the utility model as defined by the appended claims. Any numerical designations such as: first or second are merely illustrative and are not intended to limit the scope of the utility model in any way.
[0021] A packaging bag printing structure with auxiliary drying function, like Figures 1-3As shown, including the belt conveyor 1 and the transmission belt 2, the belt conveyor 1 is the assembly body of the present printing structure, the top of the belt conveyor 1 is provided with the transmission belt 2 for conveying the packaging bag; it also includes printing assembly 3, drying box 4, uv curing lamp 5, fan 6, waste gas treatment box 7, exhaust pipe 8 and filter, the side of the feeding of the belt conveyor 1 is provided with printing assembly 3, printing assembly 3 is used for printing the packaging bag on the transmission belt 2, the side of the discharge of the belt conveyor 1 is provided with drying box 4, drying box 4 is close to the both sides of the transmission belt 2 and is provided with the through hole for the packaging bag, the inner top of drying box 4 is equipped with a plurality of uv curing lamp 5, a plurality of fan 6 is installed on the side wall of the box body of drying box 4, fan 6 is used for the safe extraction of the pollution waste gas generated when drying the packaging bag in drying box 4, the side wall close to fan 6 of drying box 4 is installed with waste gas treatment box 7, filter is installed on waste gas treatment box 7, fan 6 is towards waste gas treatment box 7, with the continuous conveying of the belt conveyor 1, after the printing of the packaging bag is completed by printing assembly 3, cooperate with uv curing lamp 5 in drying box 4 to cure the packaging bag, and use fan 6 to extract the waste gas generated when the packaging bag is cured, so as to dry the packaging bag after printing in an environmentally friendly way.
[0022] As shown in Figure 1 , printing assembly 3 is specifically a screen printing machine, the screen frame of the screen printing machine is close to the transmission belt 2 of the belt conveyor 1, the screen printing machine transfers the ink to the packaging bag through the template for printing.
[0023] As shown in Figure 2 and Figure 3 , the filter is specifically an activated carbon plate 9, the top of the waste gas treatment box 7 is provided with a placing groove, the activated carbon plate 9 is inserted into the placing groove of the waste gas treatment box 7, the activated carbon plate 9 is used for adsorbing ozone or other low molecular weight volatile substances, the top of the activated carbon plate 9 is provided with a handle 10, the waste gas generated in the drying box 4 is sucked into the waste gas treatment box 7 through the fan 6 for adsorption treatment by the activated carbon plate 9, which improves the safety of the present printing structure.
[0024] As shown in Figures 1-3 , the waste gas treatment box 7 is communicated with the exhaust pipe 8, the exhaust pipe 8 is used to connect the external waste gas treatment equipment, so that the waste gas generated after the uv curing lamp 5 is cured can be transferred and treated safely in an environmentally friendly way, which improves the environmental protection of the present printing structure.
[0025] As shown in Figure 3 , the box body of the waste gas treatment box 7 is fixedly connected with a guide rod 11 on one side, a wedge block 12 is slidably installed on the guide rod 11, the wedge block 12 is slidably clamped on the top of the activated carbon plate 9, a spring 13 is arranged between the guide rod 11 and the wedge block 12, by pressing the activated carbon plate 9, the activated carbon plate 9 is locked on the waste gas treatment box 7 by the wedge block 12 for filtering after overcoming the elastic force of the spring 13 pressing the wedge block 12.
[0026] As shown in Figure 1 and Figure 4 The waste gas treatment box 7 is fixedly installed near the discharge port side of the conveying belt 2, and a guide plate 14 is provided inside the guide plate 14. The collecting plate 15 is slidably arranged on the guide plate 14 through the sliding groove. The collecting plate 15 is an "L" shaped plate. The guide plate 14 and the collecting plate 15 are provided with sliding damping. The collecting plate 15 is stretched on the guide plate 14 to a suitable length, so that the printed packaging bag can directly fall on the collecting plate 15 of a suitable size for receiving.
[0027] Firstly, the packaging bag is conveyed to the printing assembly 3 through the conveying belt 2 on the top of the belt conveyor 1. The printing assembly 3 is a screen printing machine. The screen frame on the printing assembly 3 is close to the conveying belt 2. The ink is accurately transferred to the moving packaging bag by using the stencil, so as to complete the printing of patterns or characters. Then, the printed packaging bag is continuously conveyed to the drying box 4 at the discharge end of the belt conveyor 1. When the packaging bag enters the drying box 4 through the through hole on both sides of the drying box 4, the UV curing lamp 5 starts to work to quickly cure the printed ink. At the same time, the fan 6 starts to work. The fan 6 not only helps to accelerate the heat dissipation in the curing process, but also is responsible for extracting the contaminated waste gas generated in the curing process, so as to ensure the safety and cleanliness of the drying environment. With the fan 6 extracting the waste gas from the drying box 4, the waste gas is guided to the waste gas treatment box 7. The activated carbon plate 9 in the waste gas treatment box 7 is a kind of efficient filter, which is inserted into the placing groove on the top of the waste gas treatment box 7, and is used for adsorbing ozone and other low molecular weight volatile matters generated in the curing process. The handle 10 is arranged on the top of the activated carbon plate 9, so as to facilitate replacement or maintenance. In order to ensure that the activated carbon plate 9 is stably fixed in the waste gas treatment box 7, the guide rod 11 and the wedge block 12 cooperate with the spring 13 to provide locking. When the activated carbon plate 9 is pressed down, it will overcome the elastic force of the spring 13 to make the wedge block 12 slide and clamp the activated carbon plate 9, so as to lock the activated carbon plate 9 in place for effective waste gas filtration. The waste gas after preliminary filtration by the activated carbon plate 9 enters the exhaust pipe 8. The waste gas after preliminary treatment by the activated carbon plate 9 can be further transferred to the external more professional waste gas treatment equipment, so as to ensure that all the discharged gas meets the environmental protection standard, realizes the environmental protection of the whole printing and drying process, and finally adjusts the length of the collecting plate 15 on the guide plate 14 to adapt to different sizes of the packaging bag, so as to ensure that the packaging bag can stably fall on the collecting plate 15, and facilitate subsequent collection and arrangement.
[0028] The above only describes the preferred embodiments of the present application. It should be pointed out that for ordinary skilled in the art, without departing from the principles of the present application, a number of improvements and refinements can be made, and these improvements and refinements should be considered as the protection scope of the present application.
Claims
1. A packaging bag printing structure with auxiliary drying function, comprising a belt conveyor (1) and a conveying belt (2), the top of the belt conveyor (1) is provided with the conveying belt (2) for conveying packaging bags; characterized in that It also includes a printing assembly (3), a drying box (4), a uv curing lamp (5), a fan (6), a waste gas treatment box (7), a discharge pipe (8) and a filter, the printing assembly (3) is installed on the feeding side of the belt conveyor (1), the drying box (4) is arranged on the discharging side of the belt conveyor (1), the drying box (4) is provided with a through opening for the packaging bags to pass through near the two sides of the conveying belt (2), a plurality of uv curing lamps (5) are arranged on the inner top of the drying box (4), a plurality of fans (6) are installed on the side wall of the drying box (4), a waste gas treatment box (7) is installed on the outer wall of the drying box (4) near the fan (6), the filter is installed on the waste gas treatment box (7), and the fan (6) faces the waste gas treatment box (7).
2. The packaging bag printing structure having an auxiliary drying function according to claim 1, characterized in that, The printing assembly (3) is a screen printing machine, and the screen frame of the screen printing machine is close to the conveying belt (2) of the belt conveyor (1).
3. The packaging bag printing structure having an auxiliary drying function according to claim 2, characterized in that, The filter is an activated carbon plate (9), the top of the waste gas treatment box (7) is provided with a placing groove, the activated carbon plate (9) is inserted into the placing groove of the waste gas treatment box (7), and the top of the activated carbon plate (9) is provided with a handle (10).
4. The packaging bag printing structure having an auxiliary drying function according to claim 3, characterized in that, The waste gas treatment box (7) is communicated with the discharge pipe (8), and the discharge pipe (8) is used for docking external waste gas treatment equipment.
5. The packaging bag printing structure having an auxiliary drying function according to claim 4, characterized in that, A guide rod (11) is fixedly connected to one side of the outer wall of the waste gas treatment box (7), a wedge block (12) is slidably installed on the guide rod (11), the wedge block (12) is slidably clamped on the top of the activated carbon plate (9), and a spring (13) is arranged between the guide rod (11) and the wedge block (12).
6. The packaging bag printing structure having an auxiliary drying function according to claim 5, characterized in that, A guide plate (14) is fixedly installed on the side of the waste gas treatment box (7) near the discharging port of the conveying belt (2), a sliding groove is formed in the guide plate (14), a collecting plate (15) is slidably arranged on the guide plate (14) through the sliding groove, and the collecting plate (15) is an "L" shaped plate.