Equipment for uniformly coating surface of degradable packaging material

Abstract

The utility model relates to the technical field of material coating, in particular to a degradable packaging material surface uniform coating device which comprises a shell, a conveying assembly, a motor, an ink storage frame, a first ink sticking shaft, a second ink sticking shaft and a printing shaft. An output shaft of the motor is provided with a first ink sticking shaft through a coupler, the shell is fixedly connected with an ink storage frame, the ink storage frame makes contact with the first ink sticking shaft, the shell is rotationally provided with a second ink sticking shaft, the second ink sticking shaft makes contact with the first ink sticking shaft, and the shell is rotationally provided with a printing shaft. The first temperature controller is started and controls the heating temperature of the infrared heater, so that the infrared heater preheats the coated degradable packaging material, a coating is shrunk and cured more uniformly, non-uniform drying caused by too fast drying is avoided, and cracks, bubbles or other defects of the coating are avoided.

Description

Technical Field

[0001] This utility model relates to the field of material coating technology, and in particular to a device for uniformly coating the surface of biodegradable packaging materials. Background Technology

[0002] Biodegradable packaging materials refer to those packaging materials that can decompose into harmless substances in the natural environment through biological, light, heat or chemical processes. Surface coating technology can also add more value to these materials.

[0003] Patent CN217399270U discloses a varnish coating system for surface treatment of color-printed paper. It includes a conveying device with symmetrically welded support plates on both sides. A varnish feeding device is installed between the support plates, and a coating roller is positioned between the two support plates. One end of the coating roller is welded with a butt joint, and the other end with a connector. One end of the connector has a positioning groove, and a mating seat is provided on the side of one of the support plates. When using this patent, the varnish is applied to the coating roller via the varnish feeding device, and the coating roller then applies the varnish to the material. However, while the aforementioned prior art patents use curing equipment for rapid curing after coating, the significant difference in drying speed between the inner and outer layers during rapid curing can easily lead to uneven heating, causing the coating to crack or peel.

[0004] Therefore, there is a need for a device that provides uniform coating of biodegradable packaging materials with preheating function. Utility Model Content

[0005] In order to overcome the shortcomings of the existing patents, which use curing equipment to quickly cure the coating after coating, but the drying speed of the inner and outer layers of the coating is different during the rapid curing process, which can easily lead to uneven heating and cause the coating to crack or peel off, this utility model provides a device for uniformly coating the surface of biodegradable packaging materials with preheating function.

[0006] To address the aforementioned issues, this utility model employs the following technical solution: a device for uniformly coating the surface of biodegradable packaging materials, comprising a housing, a conveying assembly, a motor, an ink storage frame, a first ink-adhesive shaft, a second ink-adhesive shaft, a printing shaft, rollers, and a gear set. The housing is equipped with the conveying assembly and a motor. The first ink-adhesive shaft is mounted on the motor's output shaft via a coupling. The ink storage frame is fixedly connected to the housing and contacts the first ink-adhesive shaft. The second ink-adhesive shaft is rotatably mounted on the housing and contacts the first ink-adhesive shaft. The printing shaft is rotatably mounted on the housing and contacts the second ink-adhesive shaft. A gear set is provided between the first ink-adhesive shaft, the second ink-adhesive shaft, and the printing shaft. Rollers are secured to the housing. The device also includes a first mounting frame, an infrared heater, and a first temperature controller. The first mounting frame is fixedly connected to the housing, and the infrared heater is installed within the first mounting frame. The first temperature controller is mounted on the housing and electrically connected to the infrared heater.

[0007] As an improvement to the above solution, it also includes a mounting bracket, a guide rod, a doctor blade, and an elastic element. Two mounting brackets are fixedly attached to the housing. A guide rod is slidably mounted on the mounting bracket. A doctor blade is fixed between the two guide rods. The doctor blade contacts the printing shaft. An elastic element is sleeved on the guide rod. The two ends of the elastic element are connected to the mounting bracket and the doctor blade, respectively.

[0008] As an improvement to the above solution, it also includes a storage frame and a locking lever, with the locking lever attached to the doctor blade and the storage frame attached to the locking lever.

[0009] As an improvement to the above solution, it also includes a second mounting frame, an electric heating element, an electric fan, and a second temperature controller. The second mounting frame is fixed to the housing, multiple fans are mounted on the second mounting frame, the electric heating element is installed inside the second mounting frame, and the second temperature controller is mounted on the housing. The second temperature controller is electrically connected to the electric heating element and multiple electric fans.

[0010] As an improvement to the above solution, it also includes a clamping plate, with two clamping plates fixedly connected to the roller.

[0011] As an improvement to the above solution, it also includes limit rings, with two limit rings threaded onto the roller.

[0012] As an improvement to the above solution, two levers are fixedly connected to the limit ring.

[0013] As an improvement to the above solution, the second mounting frame is made of heat-insulating material.

[0014] Compared with the prior art, the present invention has the following technical effects: 1. The heating temperature of the infrared heater is started and controlled by the first temperature controller, so that the infrared heater preheats the coated biodegradable packaging material, thereby making the coating shrink and cure more evenly, avoiding uneven drying due to excessive drying, and avoiding coating cracks, bubbles or other defects.

[0015] 2. The ink is scraped evenly on the printing shaft by the movement of the doctor blade. As the doctor blade moves, it also moves the two guide rods, causing the elastic element to deform. This ensures that the ink on the printing shaft is evenly scraped, avoiding uneven coating.

[0016] 3. The electric fan and electric heating element are started by the second temperature controller, and the temperature of the electric heating element is controlled at the same time. The electric heating element converts electrical energy into heat energy. The electric fan draws in outside air, and the air combines with the heat generated by the electric heating element to form hot air, which then rapidly solidifies the biodegradable packaging material, thereby improving production efficiency. Attached Figure Description

[0017] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0018] Figure 2 This is a three-dimensional cross-sectional view of the housing, conveying assembly, and motor of this utility model.

[0019] Figure 3 This is a three-dimensional structural diagram of the mounting bracket, guide rod, and doctor blade of this utility model.

[0020] Figure 4 This is a three-dimensional sectional view of the storage frame and the clip of this utility model.

[0021] Figure 5 This is a three-dimensional structural diagram of the first and second temperature controllers of this utility model.

[0022] Figure 6 This is a three-dimensional structural diagram of the card plate and the limiting ring of this utility model.

[0023] The following are the labels in the diagram: 1. Housing, 101. Conveying assembly, 2. Motor, 3. Ink storage frame, 4. First ink-binding shaft, 5. Second ink-binding shaft, 6. Printing shaft, 7. Gear set, 8. Mounting bracket, 9. Guide rod, 10. Doctor blade, 11. Elastic element, 1101. Roller, 12. Storage frame, 13. Clamping rod, 14. First mounting frame, 15. Infrared heater, 16. First temperature controller, 17. Second mounting frame, 18. Electric heating element, 19. Electric fan, 20. Second temperature controller, 21. Clamping plate, 22. Limiting ring. 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] Example 1: Equipment for uniformly coating the surface of biodegradable packaging materials, see [link / reference] Figure 1 , Figure 2 , Figure 5 and Figure 6 As shown, the device includes a housing 1, a conveying assembly 101, a motor 2, an ink storage frame 3, a first ink-adhesive shaft 4, a second ink-adhesive shaft 5, a printing shaft 6, a roller 1101, and a gear set 7. The conveying assembly 101 is located at the lower part of the housing 1, consisting of two electric rollers and a conveyor belt. Electric rollers are located at both the front and rear of the housing 1, with the conveyor belt fitted onto the two electric rollers. The motor 2 is bolted to the rear right side of the housing 1, and the first ink-adhesive shaft 4 is mounted on the output shaft of the motor 2 via a coupling. The ink storage frame 3 is welded to the rear of the housing 1, contacting and located behind the first ink-adhesive shaft 4. The second ink-adhesive shaft 5 is rotatably mounted on the housing 1, located in front of and adjacent to the first ink-adhesive shaft 4. The ink-adhesive shaft 4 is in contact with the printing shaft 6, which is rotatably mounted on the housing 1. The printing shaft 6 is located in front of and in contact with the second ink-adhesive shaft 5. A gear set 7 is provided between the first ink-adhesive shaft 4, the second ink-adhesive shaft 5, and the printing shaft 6. The three gears form a set and mesh with each other. A roller 1101 is clamped at the front of the housing 1. The housing 1 also includes a first mounting frame 14, an infrared heater 15, and a first temperature controller 16. The first mounting frame 14 is welded to the rear of the housing 1 and is located below the second ink-adhesive shaft 5. The infrared heater 15 is bolted into the first mounting frame 14. The first temperature controller 16 is bolted to the right side of the rear of the housing 1 and is electrically connected to the infrared heater 15.

[0026] See Figure 6 As shown, it also includes a card plate 21, and two card plates 21 are fixedly connected to the roller 1101.

[0027] See Figure 1 and Figure 6 As shown, it also includes a limit ring 22, with limit rings 22 threaded on both the left and right ends of the roller 1101.

[0028] See Figure 1 and Figure 6As shown, two levers are fixedly connected to the limiting ring 22, which facilitates the rotation of the limiting ring 22.

[0029] When applying a surface coating to the biodegradable packaging material, first remove the roller 1101 and place the raw material cylinder containing the biodegradable packaging material onto the roller 1101. The clamping plate 21 helps the roller 1101 hold the raw material cylinder in place, and the limiting ring 22 limits the roller 1101 to prevent it from moving left or right. Place the biodegradable packaging material on the conveying assembly 101, then pull one end of the biodegradable packaging material to pass it between the printing shaft 6 and the conveying assembly 101. Next, pour the corresponding coating material into the ink storage frame 3 and adhere the coating material to the first ink-adhesive shaft 4. Then, start the motor 2, and the motor 2 outputs... The shaft drives the first ink-adhesive shaft 4 to rotate, and the first ink-adhesive shaft 4 then drives the second ink-adhesive shaft 5 and the printing shaft 6 to rotate through the gear set 7, so that the coating material adheres to the second ink-adhesive shaft 5 and the printing shaft 6, thereby coating the surface of the biodegradable packaging material. At the same time, the first temperature controller 16 starts and controls the heating temperature of the infrared heater 15, so that the infrared heater 15 preheats the coated biodegradable packaging material, thereby making the coating shrink and cure more evenly, avoiding uneven drying due to excessive drying, and avoiding coating cracks, bubbles or other defects. After the preheating is completed, the subsequent rapid curing process of the coating can be carried out.

[0030] Example 2: Based on Example 1, refer to Figures 2-4 As shown, it also includes a mounting bracket 8, a guide rod 9, a doctor blade 10, and an elastic element 11. The mounting bracket 8 is installed on both the left and right sides of the housing 1 by welding. The guide rod 9 is slidably installed on the mounting bracket 8. The doctor blade 10 is installed between the two guide rods 9 by welding. The doctor blade 10 contacts the printing shaft 6. The elastic element 11 is sleeved on the guide rod 9. The two ends of the elastic element 11 are connected to the mounting bracket 8 and the doctor blade 10, respectively.

[0031] See Figure 4 As shown, it also includes a storage frame 12 and a locking lever 13. The locking lever 13 is attached to the doctor blade 10, and the storage frame 12 is attached to the locking lever 13. The storage frame 12 is connected to the doctor blade 10.

[0032] When the printing shaft 6 rotates, the doctor blade 10 moves and squeezes the printing shaft 6. As the doctor blade 10 moves, it drives the two guide rods 9 to move, and the elastic element 11 deforms accordingly. This can scrape the ink on the printing shaft 6 evenly and avoid uneven coating. The scraped ink flows into the storage frame 12. When cleaning is needed, the clamp 13 and the storage frame 12 can be removed.

[0033] See Figure 5As shown, it also includes a second mounting frame 17, an electric heating element 18, an electric fan 19, and a second temperature controller 20. The second mounting frame 17 is welded to the rear of the housing 1. The second mounting frame 17 is located behind the first mounting frame 14. Eight fans are evenly spaced on the top of the second mounting frame 17 and connected by bolts. The electric heating element 18 is installed inside the second mounting frame 17 and is located below the eight fans. The second temperature controller 20 is bolted to the right side of the rear of the housing. The second temperature controller 20 is located behind the first temperature controller 16 and is electrically connected to the electric heating element 18 and the eight electric fans 19.

[0034] See Figure 5 As shown, the second mounting frame 17 is made of heat-insulating material to prevent burns from contact with personnel.

[0035] After the biodegradable packaging material is preheated, the electric fan 19 and the electric heating tube 18 are started by the second temperature controller 20, and the temperature of the electric heating tube 18 is controlled at the same time. The electric heating tube 18 converts electrical energy into heat energy, and the electric fan 19 draws in outside air. The air combines with the heat generated by the electric heating tube 18 to form hot air, which then quickly solidifies the biodegradable packaging material, thereby improving production efficiency.

[0036] The above embodiments are merely preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model. Therefore, all equivalent changes made based on the content described in the claims of the present utility model should be included within the scope of the claims of the present utility model.

Claims

1. A device for uniformly coating the surface of biodegradable packaging materials, comprising a housing (1), a conveying assembly (101), a motor (2), an ink storage frame (3), a first ink-adhesive shaft (4), a second ink-adhesive shaft (5), a printing shaft (6), a roller (1101), and a gear set (7). The housing (1) is provided with the conveying assembly (101), and the motor (2) is mounted on the housing (1). The first ink-adhesive shaft (4) is mounted on the output shaft of the motor (2) via a coupling. The housing (1) is fixedly connected with... An ink storage frame (3) is provided, which contacts the first ink-adhesive shaft (4). A second ink-adhesive shaft (5) is rotatably mounted on the housing (1), which contacts the first ink-adhesive shaft (4). A printing shaft (6) is rotatably mounted on the housing (1), which contacts the second ink-adhesive shaft (5). A gear set (7) is provided between the first ink-adhesive shaft (4), the second ink-adhesive shaft (5), and the printing shaft (6). A roller (1101) is mounted on the housing (1). The feature is that... It also includes a first mounting frame (14), an infrared heater (15) and a first temperature controller (16). The first mounting frame (14) is fixedly connected to the housing (1). The infrared heater (15) is installed inside the first mounting frame (14). The first temperature controller (16) is installed on the housing (1). The first temperature controller (16) is electrically connected to the infrared heater (15).

2. The biodegradable packaging material surface uniform coating equipment as described in claim 1, characterized in that, It also includes a mounting bracket (8), a guide rod (9), a doctor blade (10), and an elastic element (11). Two mounting brackets (8) are fixedly connected to the housing (1). A guide rod (9) is slidably installed on the mounting bracket (8). A doctor blade (10) is fixedly connected between the two guide rods (9). The doctor blade (10) contacts the printing shaft (6). An elastic element (11) is sleeved on the guide rod (9). The two ends of the elastic element (11) are connected to the mounting bracket (8) and the doctor blade (10) respectively.

3. The biodegradable packaging material surface uniform coating equipment as described in claim 2, characterized in that, It also includes a storage frame (12) and a lever (13). The lever (13) is attached to the doctor blade (10), and the storage frame (12) is attached to the lever (13).

4. The device for uniformly coating the surface of biodegradable packaging materials as described in claim 3, characterized in that, It also includes a second mounting frame (17), an electric heating tube (18), an electric fan (19), and a second temperature controller (20). The second mounting frame (17) is fixed to the housing (1), and multiple fans are mounted on the second mounting frame (17). The electric heating tube (18) is installed inside the second mounting frame (17), and the second temperature controller (20) is mounted on the housing. The second temperature controller (20) is electrically connected to the electric heating tube (18) and multiple electric fans (19).

5. The biodegradable packaging material surface uniform coating equipment as described in claim 4, characterized in that, It also includes a card plate (21), and two card plates (21) are fixedly connected to the roller (1101).

6. The device for uniformly coating the surface of biodegradable packaging materials as described in claim 5, characterized in that, It also includes limit rings (22), and two limit rings (22) are threaded on the roller (1101).

7. The biodegradable packaging material surface uniform coating equipment as described in claim 6, characterized in that, Two levers are fixedly connected to the limiting ring (22).

8. The biodegradable packaging material surface uniform coating equipment as described in claim 7, characterized in that, The second mounting frame (17) is made of heat-insulating material.

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