Continuous vacuum evaporation device for anti-fingerprint film
By introducing components such as evaporation boats, guide wheels, and flow pipes into the vacuum coating machine, the problem of single-use of anti-fingerprint film was solved, and continuous evaporation coating of anti-fingerprint film was realized, thereby improving the efficiency and resource utilization of the vacuum coating machine.
Patent Information
- Application Number
- CN202520379115.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-06
- Publication Date
- 2026-02-10
- Estimated Expiration
- 2035-03-06
AI Technical Summary
Existing anti-fingerprint films can only be used once on vacuum coating machines, and cannot achieve continuous long-term evaporation coating, resulting in resource waste and inconvenience.
A continuous vacuum evaporation device for anti-fingerprint film was designed. It uses components such as an evaporation boat, guide wheel, steel wool rope winding and bottom receiving box to realize the continuous evaporation of anti-fingerprint liquid under vacuum. Utilizing the temperature resistance and adsorption effect of the steel wool rope, the liquid is vaporized and evaporated at 150℃~200℃, and the evaporated liquid is collected through a flow pipe to avoid resource waste.
It enables continuous vapor deposition of anti-fingerprint film, improves the efficiency and resource utilization of vacuum coating machines, reduces replacement frequency, and lowers production costs.
Smart Images

Figure CN223892849U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the technical field of anti-fingerprint film production and processing, specifically relating to an anti-fingerprint film continuous vacuum evaporation device. Background Technology
[0002] Currently, anti-fingerprint coatings on vacuum coating machines can only be used once. This involves adding the anti-fingerprint coating solution to steel wool in a small metal crucible and pressing it into a tablet-sized piece. The solution must be replaced after each coating, making continuous, long-term evaporation coating impossible in a vacuum coating machine. This invention solves this problem, allowing roll-to-roll vacuum coating machines to continuously deposit anti-fingerprint coatings for extended periods. Utility Model Content
[0003] The purpose of this invention is to provide a continuous vacuum evaporation device for anti-fingerprint film, so as to solve the problem mentioned in the background art that the film must be replaced after each coating and that it is impossible to continuously evaporate and coat the film in a vacuum coating machine for a long time.
[0004] To achieve the above objectives, this utility model provides the following technical solution: a continuous vacuum evaporation device for anti-fingerprint film, comprising a vacuum coating machine body and a roll-to-roll vacuum coating main roller disposed at the middle position of the vacuum coating machine body;
[0005] An evaporation boat is located at the bottom of the main coating roller of the roll-to-roll vacuum coating machine. A guide wheel is located on the side of the evaporation boat, and a steel wool rope winding is located on the side of the guide wheel. A steel wool rope unwinding is located on the right side of the steel wool rope winding. A steel wool rope body is located in the middle of the guide wheel and the evaporation boat. A power supply is connected to the bottom of the evaporation boat. The steel wool rope body also winds and moves according to process requirements. When the anti-fingerprint solution on the steel wool rope body is heated by the evaporation boat, it will continuously evaporate to the bottom of the main coating roller of the roll-to-roll vacuum coating machine.
[0006] Preferably, a bottom receiving box is provided on the right side of the evaporation boat, an auxiliary roller is provided inside the bottom receiving box, and inlet and outlet through holes are provided on both sides of the bottom receiving box.
[0007] Preferably, a flow channel is provided on the upper side of the bottom receiving box, and a U-shaped receiving groove is provided at the end of the flow channel.
[0008] Preferably, the bottom receiving box is provided with side connecting pieces at the four corners, and the side connecting pieces are provided with through holes in the middle, and screws can pass through the through holes.
[0009] Preferably, a vacuum coating machine body is provided on the outer side of the main coating roller of the roll-to-roll vacuum coating machine, and the outer shell of the vacuum coating machine body is installed and connected by screws.
[0010] Preferably, an auxiliary connecting roller is provided on the upper side of the main coating roller of the roll-to-roll vacuum coating machine, and the auxiliary connecting roller is rotatably connected to the vacuum coating machine body through a rotating shaft.
[0011] Preferably, a film feeding roller is provided on the side of the auxiliary connecting roller, and a winding roller is provided at the opposite end of the film feeding roller.
[0012] Preferably, the thin film feeding roller, the auxiliary connecting roller, and the coating main roller of the roll-to-roll vacuum coating machine are provided with a thin film, and the thin film is wound around and traveled by the action of the thin film feeding roller, the auxiliary connecting roller, and the coating main roller of the roll-to-roll vacuum coating machine.
[0013] Compared with the prior art, this utility model provides a continuous vacuum evaporation device for anti-fingerprint film, which has the following beneficial effects:
[0014] In the continuous vacuum evaporation device for anti-fingerprint film, an evaporation boat is set at the bottom of the main coating roller of the roll-to-roll vacuum coating machine. A guide wheel is set on the side of the evaporation boat, and a steel wool rope winding is set on the side of the guide wheel. A steel wool rope unwinding and winding mechanism is set on the right side of the steel wool rope winding. A steel wool rope body is set in the middle of the guide wheel and the evaporation boat. A power supply is connected to the bottom of the evaporation boat. The steel wool rope body also winds and moves according to process requirements. When the anti-fingerprint liquid on the steel wool rope body is heated by the evaporation boat, it will continuously evaporate to the bottom of the main coating roller of the roll-to-roll vacuum coating machine. The anti-fingerprint liquid will vaporize and evaporate at 150℃~200℃ in a vacuum. The steel wool rope can withstand a temperature of 350℃ without damage. The steel wool rope has a good adsorption effect on the anti-fingerprint liquid. After the improvement of this utility model, the roll-to-roll vacuum coating machine can also continuously evaporate and coat anti-fingerprint film for a long time.
[0015] In the continuous vacuum evaporation device for anti-fingerprint film, a bottom receiving box is located on the right side of the evaporation boat. An auxiliary roller is located inside the bottom receiving box. Inlet and outlet holes are located on both sides of the bottom receiving box. A flow pipe is located on the upper side of the bottom receiving box. A U-shaped receiving groove is located at the end of the flow pipe. The U-shaped receiving groove receives the evaporating liquid flowing down from the main coating roller of the roll-to-roll vacuum coating machine. The evaporating liquid flows along the slope of the U-shaped receiving groove to the flow pipe and then to the bottom receiving box. The steel wool rope drives the auxiliary roller to rotate, causing the auxiliary roller to apply the evaporating liquid to the steel wool rope for utilization, thereby effectively avoiding resource waste and improving its practicality. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the overall structure of the continuous vacuum evaporation device for the anti-fingerprint film of this utility model.
[0017] Figure 2 This is a side view of the structure of the anti-fingerprint film continuous vacuum evaporation device of this utility model at the position of the evaporation boat.
[0018] Figure 3 This is an enlarged structural diagram of the anti-fingerprint film continuous vacuum evaporation device at position A of this utility model.
[0019] Figure 4 This is an enlarged structural diagram of the anti-fingerprint film continuous vacuum evaporation device of this utility model at position B.
[0020] In the diagram: 1. Vacuum coating machine body; 2. Film unwinding roller; 3. Auxiliary connecting roller; 4. Film; 5. Main coating roller of the roll-to-roll vacuum coating machine; 6. Steel wool rope winding; 7. Guide roller; 8. Evaporation boat; 9. Steel wool rope body; 10. Power supply connection; 11. U-shaped receiving groove; 12. Flow pipe; 13. Bottom receiving box; 14. Auxiliary roller wheel; 15. Side connecting piece; 16. Steel wool rope unwinding. Detailed Implementation
[0021] 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.
[0022] This utility model provides, for example Figure 1-4As shown, a continuous vacuum evaporation device for anti-fingerprint film includes a vacuum coating machine body 1 and a roll-to-roll vacuum coating main roller 5 disposed at the middle position of the vacuum coating machine body 1; an evaporation boat 8 is disposed at the bottom position of the roll-to-roll vacuum coating main roller 5, a guide wheel 7 is disposed on the side position of the evaporation boat 8, a steel wool rope winding 6 is disposed on the side position of the guide wheel 7, a steel wool rope unwinding 16 is disposed on the right side of the steel wool rope winding 6, a steel wool rope body 9 is disposed at the middle position of the steel wool rope winding 6, and the bottom position of the evaporation boat 8 is... A power supply 10 is connected at the point of connection. The steel wool rope 9 is also wound and moved according to the process requirements. When the anti-fingerprint liquid on the steel wool rope 9 is heated by the evaporation boat 8, it will continuously evaporate to the bottom of the coating main roller 5 of the roll-to-roll vacuum coating machine. The anti-fingerprint liquid will vaporize and evaporate at 150℃~200℃ in a vacuum state. The steel wool rope can withstand a temperature of 350℃ without being damaged. The steel wool rope has a good adsorption effect on the anti-fingerprint liquid. After the improvement of this utility model, the roll-to-roll vacuum coating machine can also continuously evaporate and coat anti-fingerprint film for a long time.
[0023] like Figure 1 As shown, a bottom receiving box 13 is provided on the right side of the evaporation boat 8. An auxiliary roller 14 is provided inside the bottom receiving box 13. Inlet and outlet through holes are provided on both sides of the bottom receiving box 13. A flow pipe 12 is provided on the upper side of the bottom receiving box 13. A U-shaped receiving groove 11 is provided at the end of the flow pipe 12. The U-shaped receiving groove 11 will receive the evaporating liquid flowing down from the coating main roller 5 of the roll-to-roll vacuum coating machine. The evaporating liquid will flow along the slope of the U-shaped receiving groove 11 to the flow pipe 12 and then to the bottom receiving box 13. The steel wool rope 9 will drive the auxiliary roller 14 to rotate, so that the auxiliary roller 14 will adsorb the evaporating liquid onto the steel wool rope 9 for utilization, thereby effectively avoiding the waste of resources and improving its practicality.
[0024] like Figure 4 As shown, side connecting pieces 15 are provided at the four corners of the bottom receiving box 13. The side connecting pieces 15 have through holes in the middle, and screws can pass through the through holes. The bottom receiving box 13 is installed and connected to the vacuum coating machine body 1 by screws passing through the side connecting pieces 15.
[0025] like Figure 4 As shown, a vacuum coating machine body 1 is provided on the outer side of the coating main roller 5 of the roll-to-roll vacuum coating machine. The outer shell of the vacuum coating machine body 1 is installed and connected by screws. The outer shell of the vacuum coating machine body 1 can play a protective role and reduce the interference caused during the coating process.
[0026] like Figure 4As shown, an auxiliary connecting roller 3 is located on the upper side of the main coating roller 5 of the roll-to-roll vacuum coating machine. The auxiliary connecting roller 3 is rotatably connected to the vacuum coating machine body 1 via a rotating shaft. A film feeding roller 2 is located on the side of the auxiliary connecting roller 3, and a take-up roller is located at the opposite end of the film feeding roller 2. A film 4 is placed on the film feeding roller 2, the auxiliary connecting roller 3, and the main coating roller 5 of the roll-to-roll vacuum coating machine. The film 4 is wound around and traveled by the action of the film feeding roller 2, the auxiliary connecting roller 3, and the main coating roller 5 of the roll-to-roll vacuum coating machine. The main coating roller plays a crucial role in the roll-to-roll vacuum coating machine. It not only supports the film material, ensuring that it does not wrinkle or twist during transmission, but also achieves a uniform coating effect through its surface close contact with the film material.
[0027] 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. A continuous vacuum evaporation device for anti-fingerprint film, comprising a vacuum coating machine body (1) and a roll-to-roll vacuum coating main roller (5) disposed at the middle position of the vacuum coating machine body (1). Its features are: An evaporation boat (8) is provided at the bottom of the main coating roller (5) of the roll-to-roll vacuum coating machine. A guide wheel (7) is provided on the side of the evaporation boat (8). A steel wool rope winding (6) is provided on the side of the guide wheel (7). A steel wool rope unwinding (16) is provided on the right side of the steel wool rope winding (6). A steel wool rope body (9) is provided in the middle of the steel wool rope winding (6), the guide wheel (7) and the evaporation boat (8). A power supply (10) is connected to the bottom of the evaporation boat (8). The steel wool rope body (9) is also wound and moved according to the process requirements. When the anti-fingerprint liquid on the steel wool rope body (9) is heated by the evaporation boat (8), it will continuously evaporate to the bottom of the main coating roller (5) of the roll-to-roll vacuum coating machine.
2. The continuous vacuum evaporation apparatus for anti-fingerprint film according to claim 1, characterized in that: A bottom receiving box (13) is provided on the right side of the evaporation boat (8), an auxiliary roller (14) is provided inside the bottom receiving box (13), and inlet and outlet through holes are provided on both sides of the bottom receiving box (13).
3. The continuous vacuum evaporation apparatus for anti-fingerprint film according to claim 2, characterized in that: A flow channel (12) is provided on the upper side of the bottom receiving box (13), and a U-shaped receiving groove (11) is provided at the end of the flow channel (12).
4. The continuous vacuum evaporation apparatus for anti-fingerprint film according to claim 2, characterized in that: The bottom junction box (13) is provided with side connecting pieces (15) at the four corners. The side connecting pieces (15) have through holes in the middle, and screws can pass through the through holes.
5. The continuous vacuum evaporation apparatus for anti-fingerprint film according to claim 1, characterized in that: A vacuum coating machine body (1) is provided on the outer side of the coating main roller (5) of the roll-to-roll vacuum coating machine. The outer shell of the vacuum coating machine body (1) is installed and connected by screws.
6. The continuous vacuum evaporation apparatus for anti-fingerprint film according to claim 1, characterized in that: An auxiliary connecting roller (3) is provided on the upper side of the main coating roller (5) of the roll-to-roll vacuum coating machine. The auxiliary connecting roller (3) is rotatably connected to the vacuum coating machine body (1) through a rotating shaft.
7. The continuous vacuum evaporation apparatus for anti-fingerprint film according to claim 6, characterized in that: A film feeding roller (2) is provided on the side of the auxiliary connecting roller (3), and a winding roller is provided at the opposite end of the film feeding roller (2).
8. The continuous vacuum evaporation apparatus for anti-fingerprint film according to claim 7, characterized in that: A film (4) is provided on the film feeding roller (2), the auxiliary connecting roller (3) and the coating main roller (5) of the roll-to-roll vacuum coating machine. The film (4) is wound around the roll by the action of the film feeding roller (2), the auxiliary connecting roller (3) and the coating main roller (5) of the roll-to-roll vacuum coating machine.