Film corona treatment device

By designing a thin film corona treatment device including a rack, a corona generator, unwinding and winding device, and a guide device, the problem of only one side of the film can be processed in the prior art, and corona treatment is achieved on both sides of the film, enhancing the film performance.

CN222769028UActive Publication Date: 2025-04-18YANGZHOU XIANGHUA NEW MATERIAL TECH CO LTD
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Patent Information

Application Number
CN202421498538.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-27
Publication Date
2025-04-18
Estimated Expiration
2034-06-27

AI Technical Summary

Technical Problem

The existing film corona treatment device can only perform corona treatment on one side of the film, making it difficult to process both sides of the film in sequence.

Method used

A thin film corona treatment device is designed, including a rack, a first and a second corona generator, an unwinding and winding device, a guide device and a guide member. The film is guided through the first and second working grooves through the guide device, and is corona treatment on both sides of the corona generators, and is coiled through the winding device.

Benefits of technology

The sequential corona treatment of both sides of the film is achieved, which enhances the performance of the film, and the device can be adjusted to accommodate films of different widths.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a film corona treatment device which comprises a rack, a first corona generator, a second corona generator, an unwinding device, a winding device and a guiding device, the rack is composed of an upper base, a lower base and a mounting plate, the upper base and the lower base are arranged in a stacked mode, the mounting plate is connected with the upper base and the lower base, and the first corona generator is connected with the second corona generator. The upper seat is provided with a first working groove, and the lower seat is provided with a second working groove; the first corona generator is mounted in the first working tank; the second corona generator is mounted in the second working tank; the unwinding device comprises an unwinding roller, and the unwinding roller is mounted on the lower seat; the winding device comprises a winding roller, and the winding roller is installed on the lower base and located at an outlet of the second working groove. The guide device comprises a guide driving part and a guide roller, and can well perform corona treatment on the two surfaces of the film in sequence, so that the performance of the film is enhanced.
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Description

Technical Field

[0001] The utility model relates to a film corona treatment device, belonging to the technical field of corona treatment equipment. Background Art

[0002] Film corona treatment is a technology used to improve the surface properties of film materials. It modifies the film surface by generating low-temperature plasma through corona discharge. This treatment method can improve the hydrophilicity, adhesion, printing performance, etc. of film materials, and is widely used in packaging, electronics, biomedicine and other fields. After searching, it was found that the Chinese patent with announcement number CN220373955U disclosed a film corona device. In this patent, the film is wound on the first guide roller and the second guide roller, and the motor drives the threaded rod to rotate, and the side sleeve plate is driven to move through the threaded sleeve block, so as to adjust the position of the corona generator, turn on the corona generator, and the film runs under the guidance of the first guide roller and the second guide roller to achieve the corona treatment of the film. However, this patent only performs corona treatment on one side of the film, which is not convenient for treating both sides of the film. Summary of the invention

[0003] The technical problem to be solved by the utility model is to overcome the defects of the prior art and provide a film corona treatment device, which can perform corona treatment on both sides of the film in turn and enhance the performance of the film.

[0004] In order to solve the above technical problems, the technical solution of the utility model is: a thin film corona treatment device, comprising:

[0005] A frame, the frame is composed of an upper seat, a lower seat and a mounting plate, the upper seat and the lower seat are stacked, the mounting plate is connected to the upper seat and the lower seat, the upper seat is provided with a first working groove, and the lower seat is provided with a second working groove;

[0006] a first corona generator, wherein the first corona generator is installed in the first working tank;

[0007] a second corona generator, the second corona generator being installed in the second working tank;

[0008] An unwinding device, the unwinding device comprising an unwinding roller, the unwinding roller being mounted on the lower seat;

[0009] A winding device, the winding device comprising a winding roller, the winding roller is mounted on the lower seat and is located at the outlet of the second working groove;

[0010] A guiding device, the guiding device comprising a guiding driving member and a guiding roller, the guiding driving member and the guiding roller are both mounted on the mounting plate, and the guiding driving member is adapted to drive the guiding roller to rotate;

[0011] The film on the unwinding roller is suitable for being guided by the guide roller to pass through the first working groove and the second working groove, and is rolled up by the winding roller after being corona treated by the first corona generator and the second corona generator.

[0012] Furthermore, in order to stably support and place the film to be processed, the unwinding device is also provided with an unwinding bracket, the unwinding bracket is installed on the lower seat, and the unwinding roller is installed on the unwinding bracket.

[0013] Furthermore, in order to guide the film to move along a predetermined path, a film corona treatment device also includes a guide component, the guide component includes a first guide roller device, the first guide roller device includes a first upper guide roller and a first lower guide roller, the first upper guide roller and the first lower guide roller are both installed on the frame, and a feed channel is formed between the first upper guide roller and the first lower guide roller.

[0014] Furthermore, the guide component also includes a second guide roller device, which includes a second upper guide roller and a second lower guide roller, and the second upper guide roller and the second lower guide roller are both installed on the frame, and a discharge channel is formed between the second upper guide roller and the second lower guide roller.

[0015] Furthermore, in order to assist the film to move, a film corona treatment device further comprises an auxiliary roller, wherein the auxiliary roller is mounted on the mounting plate and the auxiliary roller is arranged between the guide device and the second guide pressure roller device.

[0016] Furthermore, the guide drive member drives the guide roller to rotate through at least one belt transmission pair; wherein,

[0017] The belt transmission pair comprises:

[0018] A driving wheel mounted on the guide drive member;

[0019] A driven wheel mounted on the guide roller;

[0020] And a transmission belt connecting the driving wheel and the driven wheel.

[0021] Furthermore, an adjustment platform is installed on the side of the lower seat, and the winding device is installed on the adjustment platform.

[0022] Furthermore, the winding device also includes a winding drive component, which is installed on the adjustment platform and connected to the winding roller.

[0023] Furthermore, in order to adjust the position of the winding device, the lower seat and the adjustment platform are both provided with waist holes, the two waist holes correspond to each other, and the adjustment platform is also provided with at least one fastener, and the fastener is tightened, and the adjustment platform is fixed to the side of the lower seat;

[0024] By loosening the fastener, the adjustment platform can move longitudinally along the side of the lower seat, thereby adjusting the position of the winding device.

[0025] Furthermore, in order to adjust the position of the first corona generator, an electric push rod is also installed in the first working groove, and the first corona generator is installed at the movable end of the electric push rod.

[0026] After adopting the above technical solution, the utility model has the following beneficial effects:

[0027] 1. In the present invention, a film roll to be treated is placed on an unwinding roller, the film is guided through a first working groove by a guide roller of a guide device, and a first corona generator performs corona treatment on one side of the film passing through the first working groove;

[0028] The guide driving member drives the guide roller to rotate through the belt transmission pair, thereby pulling the film to move along a predetermined path, so that the film is flipped and the other side of the film is aligned with the second corona generator in the second working groove for corona treatment. When the winding driving member is started, the winding roller rotates, so that the treated film is wound up by the winding roller on the winding device.

[0029] 2. In the utility model, the electric push rod can adjust the position of the first corona generator, and the adjustment platform can adjust the position of the winding device to adapt to films of different widths.

[0030] 3. In the utility model, when it is necessary to fix the position of the adjustment platform, tighten the fasteners, and the adjustment platform will be firmly fixed on the side of the lower seat. When it is necessary to adjust the position of the winding device, first loosen the fasteners, and the adjustment platform can move freely along the longitudinal direction of the side of the lower seat, thereby changing the longitudinal position of the winding device on the frame. After adjusting to the appropriate position, tighten the fasteners to fix the adjustment platform. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 This is a front view of a thin film corona treatment device of the utility model;

[0032] Figure 2 It is a left view of a thin film corona treatment device of the utility model;

[0033] Figure 3 It is a top view of a thin film corona treatment device of the utility model;

[0034] Figure 4This is a rear view of a thin film corona treatment device of the utility model;

[0035] Figure 5 It is a full cross-sectional view of a thin film corona treatment device of the utility model. DETAILED DESCRIPTION

[0036] In order to make the content of the utility model more clearly understood, the utility model is further described in detail below based on specific embodiments and in conjunction with the accompanying drawings.

[0037] like Figure 1-5 As shown, a thin film corona treatment device comprises:

[0038] The frame is composed of an upper seat 11, a lower seat 12 and a mounting plate 13. The upper seat 11 and the lower seat 12 are stacked, and the mounting plate 13 is connected to the upper seat 11 and the lower seat 12. The upper seat 11 is provided with a first working groove 111, and the lower seat 12 is provided with a second working groove 121;

[0039] A first corona generator 21, wherein the first corona generator 21 is installed in the first working tank 111;

[0040] A second corona generator 31, which is installed in the second working tank 121;

[0041] An unwinding device, the unwinding device comprises an unwinding roller 41, and the unwinding roller 41 is mounted on the lower seat 12;

[0042] A winding device, the winding device comprises a winding roller 51, the winding roller 51 is mounted on the lower seat 12 and is located at the outlet of the second working groove 121;

[0043] A guiding device, the guiding device comprises a guiding driving member 62 and a guiding roller 61, both of which are mounted on the mounting plate 13, and the guiding driving member 62 is adapted to drive the guiding roller 61 to rotate;

[0044] The film on the unwinding roller 41 is suitable for being guided by the guide roller 61 to pass through the first working groove 111 and the second working groove 121 , and is wound up by the winding roller 51 after being corona-treated by the first corona generator 21 and the second corona generator 31 .

[0045] In this embodiment, the guide driving member 62 may be a driving motor.

[0046] Specifically, Figure 1-5 As shown, the unwinding device is further provided with an unwinding bracket 42 , the unwinding bracket 42 is mounted on the lower seat 12 , and the unwinding roller 41 is mounted on the unwinding bracket 42 .

[0047] Specifically, Figure 1-5As shown, a film corona treatment device also includes a guide component, the guide component includes a first guide roller device, the first guide roller device includes a first upper guide roller 71 and a first lower guide roller 72, the first upper guide roller 71 and the first lower guide roller 72 are both installed on the frame, and a feed channel is formed between the first upper guide roller 71 and the first lower guide roller 72.

[0048] Specifically, Figure 1-5 As shown, the guide component also includes a second guide roller device, which includes a second upper guide roller 73 and a second lower guide roller 74. The second upper guide roller 73 and the second lower guide roller 74 are both installed on the frame, and a discharge channel is formed between the second upper guide roller 73 and the second lower guide roller 74.

[0049] Specifically, Figure 1-5 As shown, a film corona treatment device further comprises an auxiliary roller 8, wherein the auxiliary roller 8 is mounted on a mounting plate 13, and the auxiliary roller 8 is arranged between the guide device and the second guide pressure roller device.

[0050] In this embodiment, the auxiliary roller 8 can help to transport the film so that it can accurately enter the second working groove 121, and can also effectively support the film to be treated so that it remains flat and smooth during the corona treatment process.

[0051] Specifically, Figure 4 As shown, the guide drive member 62 drives the guide roller 61 to rotate through at least one belt transmission pair; wherein,

[0052] The belt drive pair includes:

[0053] A driving wheel 63 mounted on the guide drive member 62;

[0054] A driven wheel 64 mounted on the guide roller 61;

[0055] And a transmission belt 65 connecting the driving wheel 63 and the driven wheel 64.

[0056] In this embodiment, the guide driving member 62 is started to drive the driving wheel 63 to rotate counterclockwise. Since the conveyor belt 65 connects the driving wheel 63 and the driven wheel 64, the driven wheel 64 also rotates counterclockwise, thereby driving the guide roller 61 to rotate counterclockwise.

[0057] Specifically, Figure 4 As shown, an adjustment platform 91 is also installed on the side of the lower seat 12, and the winding device is installed on the adjustment platform 91.

[0058] Specifically, Figure 4 As shown, the winding device further includes a winding drive member 52 , which is mounted on the adjustment platform 91 and connected to the winding roller 51 .

[0059] Specifically, Figure 4 As shown, the lower seat 12 and the adjustment platform 91 are both provided with waist holes 92, and the two waist holes 92 correspond to each other. The adjustment platform 91 is also provided with at least one fastener 93. The fastener 93 is screwed on, and the adjustment platform 91 is fixed to the side of the lower seat 12;

[0060] By loosening the fastener 93, the adjustment platform 91 can move longitudinally along the side of the lower seat 12, thereby adjusting the position of the winding device.

[0061] In this embodiment, in order to achieve the adjustability of the adjustment platform 91, a waist hole 92 is opened on the lower seat 12 and the adjustment platform 31, and the two waist holes 92 are arranged corresponding to each other. The adjustment platform 91 is also provided with at least one fastener 93, which can be a bolt;

[0062] When it is necessary to fix the position of the adjustment platform 31, tighten the fastener 93, and the adjustment platform 31 will be firmly fixed on the side of the lower seat 12. When it is necessary to adjust the position of the winding device, first loosen the fastener 93, and the adjustment platform 31 can move freely along the longitudinal direction of the side of the lower seat 12, thereby changing the longitudinal position of the winding device on the lower seat 12. After adjusting to the appropriate position, tighten the fastener 93 to fix the adjustment platform 31.

[0063] Specifically, Figure 5 As shown, an electric push rod 22 is also installed in the first working groove 111, and the first corona generator 21 is installed at the movable end of the electric push rod 22. In this embodiment, the electric push rod 22 can adjust the position of the first corona generator 21 to adapt to films of different widths.

[0064] In this embodiment, the film roll to be treated is placed on the unwinding roller 41, and the film is guided through the first working groove 111 by the guide roller 61 of the guiding device. The first corona generator 21 performs corona treatment on one side of the film passing through the first working groove 111. The film on one side after treatment passes through the feed channel of the first guide pressure roller device, and the guide drive member 62 drives the guide roller 61 to rotate through the belt transmission pair, thereby pulling the film to move along a predetermined path, so that the film is flipped, and the other side of the film is facing up, and passes through the discharge channel of the second guide pressure roller device, and is aligned with the second corona generator 31 in the second working groove 121 for corona treatment. When the winding drive member 52 is started, the winding roller 51 rotates, so that the treated film is wound up by the winding roller 51 on the winding device.

[0065] The specific embodiments described above further illustrate the technical problems, technical solutions and beneficial effects solved by the present invention. It should be understood that the above are only specific embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A thin film corona treatment device, characterized in that: include: A frame, the frame comprising an upper seat (11), a lower seat (12) and a mounting plate (13), the upper seat (11) and the lower seat (12) being stacked, the mounting plate (13) being connected to the upper seat (11) and the lower seat (12), the upper seat (11) being provided with a first working groove (111), and the lower seat (12) being provided with a second working groove (121); A first corona generator (21), the first corona generator (21) being installed in the first working tank (111); a second corona generator (31), the second corona generator (31) being installed in the second working groove (121); An unwinding device, the unwinding device comprising an unwinding roller (41), the unwinding roller (41) being mounted on the lower seat (12); A winding device, the winding device comprising a winding roller (51), the winding roller (51) being mounted on the lower seat (12) and located at the outlet of the second working groove (121); a guiding device, the guiding device comprising a guiding driving member (62) and a guiding roller (61), the guiding driving member (62) and the guiding roller (61) being both mounted on the mounting plate (13), the guiding driving member (62) being suitable for driving the guiding roller (61) to rotate; The film on the unwinding roller (41) is suitable for being guided by the guide roller (61) to pass through the first working groove (111) and the second working groove (121), and is reeled up by the reeling roller (51) after being corona treated by the first corona generator (21) and the second corona generator (31).

2. A thin film corona treatment device according to claim 1, characterized in that: The unwinding device is further provided with an unwinding bracket (42), wherein the unwinding bracket (42) is mounted on the lower seat (12), and the unwinding roller (41) is mounted on the unwinding bracket (42).

3. A thin film corona treatment device according to claim 1, characterized in that: Also includes: A guide component, wherein the guide component comprises a first guide roller device, wherein the first guide roller device comprises a first upper guide roller (71) and a first lower guide roller (72), wherein the first upper guide roller (71) and the first lower guide roller (72) are both mounted on the frame, and a feed channel is formed between the first upper guide roller (71) and the first lower guide roller (72).

4. A thin film corona treatment device according to claim 3, characterized in that: The guide component also includes a second guide roller device, the second guide roller device includes a second upper guide roller (73) and a second lower guide roller (74), the second upper guide roller (73) and the second lower guide roller (74) are both mounted on the frame, and a discharge channel is formed between the second upper guide roller (73) and the second lower guide roller (74).

5. A thin film corona treatment device according to claim 4, characterized in that: Also includes: An auxiliary roller (8), the auxiliary roller (8) being mounted on the mounting plate (13), the auxiliary roller (8) being arranged between the guide device and the second guide pressure roller device.

6. A thin film corona treatment device according to claim 1, characterized in that: The guide drive member (62) drives the guide roller (61) to rotate via at least one belt transmission pair; wherein: The belt transmission pair comprises: A driving wheel (63) mounted on the guide drive member (62); A driven wheel (64) mounted on the guide roller (61); and a transmission belt (65) connecting the driving wheel (63) and the driven wheel (64).

7. A thin film corona treatment device according to claim 1, characterized in that: An adjustment platform (91) is also installed on the side of the lower seat (12), and the winding device is installed on the adjustment platform (91).

8. A thin film corona treatment device according to claim 7, characterized in that: The winding device further comprises a winding drive component (52), wherein the winding drive component (52) is mounted on the adjustment platform (91), and the winding drive component (52) is connected to the winding roller (51).

9. A thin film corona treatment device according to claim 7, characterized in that: The lower seat (12) and the adjustment platform (91) are both provided with waist holes (92), the two waist holes (92) correspond to each other, and the adjustment platform (91) is also provided with at least one fastener (93), and the adjustment platform (91) is fixed to the side of the lower seat (12) by tightening the fastener (93); By loosening the fastener (93), the adjustment platform (91) can move longitudinally along the side of the lower seat (12), thereby adjusting the position of the winding device.

10. A thin film corona treatment device according to claim 1, characterized in that: An electric push rod (22) is also installed in the first working groove (111), and the first corona generator (21) is installed at the movable end of the electric push rod (22).

Citation Information

Patent Citations

  • Film corona device

    CN220373955U