Film corona treatment equipment

By introducing a combination of limiting columns, adjusting rods and grips into the film corona treatment equipment, combined with linkage gears and motor drives, the problem that the film corona treatment equipment cannot adjust the stretching degree and adapt to films of different widths is solved, achieving more efficient corona treatment and equipment versatility.

CN223266260UActive Publication Date: 2025-08-26SHANGHAI BAIXIN MATERIAL CO LTD
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Patent Information

Application Number
CN202422539909.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-21
Publication Date
2025-08-26
Estimated Expiration
2034-10-21

AI Technical Summary

Technical Problem

Existing film corona treatment equipment cannot adjust the stretching degree according to the characteristics of different films, and is not convenient to process films of different widths, resulting in high production costs and increased operational difficulty.

Method used

A thin film corona treatment device is designed to adjust the degree of film stretching by limiting the combination of columns, adjustment rods and grips, and synchronous rotation is achieved through linkage gears and motor drives to adapt to film processing of different widths, increasing the versatility and flexibility of the equipment.

Benefits of technology

It realizes the adjustment of the stretching degree according to different film characteristics and adapts to film treatment of different widths, improves the uniformity of corona treatment and the universality of equipment, and reduces production costs and operation difficulties.

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Abstract

The utility model discloses film corona treatment equipment, and relates to the technical field of plastic film processing, and the film corona treatment equipment comprises a bottom plate, vertical plates are fixedly arranged on the two sides of the upper end of the bottom plate, and driving boxes are fixedly arranged on the two sides of the upper end of the bottom plate; two lower corona shafts are rotationally arranged between the two driving boxes, two upper corona shafts are rotationally arranged between the two driving boxes and the two vertical plates, a limiting column is fixedly arranged between the two vertical plates, and transverse grooves are formed in one ends of the two vertical plates. The stretching degree of the thin film is adjusted through cooperation with the limiting column so as to meet different thin film treatment requirements, the equipment can be adjusted and fixed according to different treatment requirements through the design of the limiting column, the adjusting rod and the grip, the universality and flexibility of the equipment are improved, the equipment can be conveniently adjusted to adapt to thin films with different widths, and the practicability is high. And diversified production requirements are met, and the universality is high.
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Description

Technical Field

[0001] The present application relates to the technical field of plastic film processing, and in particular to a film corona treatment device. Background Art

[0002] The surface of polymer materials such as plastic films usually has a low surface energy, which makes them have poor adhesion with inks, glues, coatings, etc. during subsequent processing such as printing, lamination, and coating. Corona treatment equipment generates high-voltage corona discharge on the surface of the film, thereby increasing the surface energy of the film. In this way, during printing, the ink can better adhere to the surface of the film and is not easy to fall off; during the lamination process, the bonding force between the film and other materials will also be greatly enhanced.

[0003] Regarding the above-mentioned related technologies, the inventor believes that the existing film corona treatment equipment may not be able to adjust the degree of stretching according to the characteristics of different films. This will result in the failure to achieve the best corona treatment effect when treating films of different materials and thicknesses. Thinner films may be over-stretched and damaged, and thicker films may be under-stretched, affecting the uniformity of corona treatment. In addition, the existing film corona treatment equipment may not be convenient for treating films of different widths, and there is no structure specially designed to adapt to films of different widths. This requires replacing different equipment or making complex adjustments when treating films of different widths, which increases production costs and operational difficulty. Therefore, a film corona treatment equipment is needed to solve the above problems. Utility Model Content

[0004] The purpose of this application is to provide a film corona treatment device to improve the problem that the stretching degree of different films cannot be adjusted according to their characteristics and that it is inconvenient to treat films of different widths.

[0005] The present application provides a thin film corona treatment device that adopts the following technical solution:

[0006] A thin film corona treatment device includes a base plate, vertical plates are fixed on both sides of the upper end of the base plate, drive boxes are fixed on both sides of the upper end of the base plate, two lower corona shafts and two upper corona shafts are rotatably arranged between the two drive boxes and the two vertical plates, a limiting column is fixed between the two vertical plates, a transverse groove is opened at one end of each of the two vertical plates, and three placement grooves are opened at the lower end of the transverse groove, wherein the inner walls of two corresponding placement grooves are commonly provided with an adjustment rod.

[0007] By adopting the above technical solution, the structure is stable and easy to adjust, and the stretching degree of the film can be easily adjusted.

[0008] Optionally, a cross bar is fixed to one side of the upper end of the base plate, and a moving block is slidably provided on the upper end of the cross bar, a moving disk is fixed to the upper end of the moving block, a vertical disk is fixed to one side of the upper end of the base plate, one end of the vertical disk and the moving disk are both provided with a through-type mounting groove, the upper end of the cross bar is provided with a sliding groove for cooperating with the moving block, one end of the moving block is fixed with a mounting plate, and the mounting plate is connected to the cross bar by two bolts.

[0009] By adopting the above technical solution, the coordination of the moving block, the moving plate and the vertical plate on the crossbar, and the provision of multiple bolt slots, the equipment can adapt to films of different widths, thereby improving the versatility of the equipment.

[0010] Optionally, a linkage gear is fixedly provided at one end of the lower corona shaft and the upper corona shaft, and the outer surfaces of the two corresponding linkage gears are meshed and connected to each other, a motor is provided inside one of the vertical plates and the drive box, and the output ends of the two motors are respectively fixedly connected to one of the lower corona shaft and the upper corona shaft.

[0011] By adopting the above technical solution, the lower and upper corona shafts rotate synchronously through the linkage gears, ensuring the uniformity of the film during the corona treatment process. The motor drive ensures the efficient operation of the equipment.

[0012] Optionally, the two lower corona axes are set horizontally, and the two upper corona axes are set vertically.

[0013] By adopting the above technical solution, this layout can fully cover the surface of the film and improve the effect of corona treatment.

[0014] Optionally, a protective shell is fixedly provided on the upper part of one end on the same side of the two vertical plates.

[0015] By adopting the above technical solution, the provision of the protective shell can protect the internal structure of the device, prevent external factors from damaging the device, and also improve the safety of operation.

[0016] Optionally, the drive box and the vertical plate on one side are fixedly connected.

[0017] By adopting the above technical solution, the drive box and the vertical plate on one side are fixedly connected, which enhances the overall stability of the equipment and reduces vibration and noise during operation.

[0018] Optionally, handles are fixedly provided at both ends of the adjusting rod, and the outer surfaces of the handles are roughened.

[0019] By adopting the above technical solution, the grip designs at both ends of the adjustment rod are ergonomic, and the rough treatment of the outer surface increases the comfort and stability of holding.

[0020] Optionally, a plurality of bolt slots are provided on one side of the upper end of the cross bar, and there are thirteen bolt slots, which are distributed at equal intervals.

[0021] By adopting the above technical solution, thirteen equally spaced bolt slots provide an accurate reference for the position adjustment of the moving block, ensuring the equipment's processing accuracy for films of different widths.

[0022] In summary, this application includes at least one of the following beneficial technical effects:

[0023] 1. This application adjusts the position of the adjustment rod and the degree of stretching of the film in conjunction with the limiting column to adapt to different film processing requirements. The design of the limiting column, adjustment rod and handle enables the equipment to be adjusted and fixed according to different processing requirements, increasing the versatility and flexibility of the equipment.

[0024] 2. This application can be easily adjusted to adapt to films of different widths through the arrangement of the moving block, moving plate, vertical plate and multiple bolt slots on the crossbar, meeting diverse production needs and having high versatility. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the overall structure of this application.

[0026] Figure 2 This is an exploded view of the drive box, vertical plate section and adjustment rod structure of this application.

[0027] Figure 3 This is the cross-bar section and the exploded view of the moving block structure of this application.

[0028] In the figure, 1. bottom plate; 2. vertical plate; 21. upper corona shaft; 22. protective shell; 3. drive box; 31. lower corona shaft; 4. cross bar; 41. moving plate; 42. vertical plate; 43. mounting slot; 44. moving block; 45. slide slot; 46. mounting plate; 47. bolt slot; 5. linkage gear; 51. motor; 6. limiting column; 61. cross slot; 62. adjusting rod; 63. handle; 64. placement slot. DETAILED DESCRIPTION

[0029] The following is combined with Figure 1 -Attached Figure 3 , further details of this application are given.

[0030] Example 1

[0031] A film corona treatment device, referring to Figure 1-2, including a bottom plate 1, vertical plates 2 are welded on both sides of the upper end of the bottom plate 1, and a protective shell 22 is welded on the upper part of the same side of the two vertical plates 2. A drive box 3 is welded on both sides of the upper end of the bottom plate 1, and the drive box 3 on one side is welded to the vertical plate 2. Two lower corona shafts 31 and two upper corona shafts 21 are respectively rotated between the two drive boxes 3 and the two vertical plates 2. The two lower corona shafts 31 are set horizontally, and the two upper corona shafts 21 are set vertically. A limiting column 6 is welded between the two vertical plates 2, and a transverse groove 61 is provided at one end of the two vertical plates 2, and three placement grooves 64 are provided at the lower end of the transverse groove 61, wherein the inner walls of two corresponding placement grooves 64 are jointly provided with an adjusting rod 62, and a handle 63 is welded at both ends of the adjusting rod 62, and the outer surface of the handle 63 is roughened. The bottom plate 1 is connected and supported. The carrier, the vertical plate 2 and the drive box 3 constitute the frame structure of the equipment, and the protective shell 22 can protect and support the entire equipment. The film is transmitted between the two horizontally set lower corona shafts 31 and the two vertically set upper corona shafts 21. The rotation of the lower corona shaft 31 and the upper corona shaft 21 drives the film to move forward, realizing a continuous corona treatment process. The limiting column 6 can limit the position of the passing film, and the handle 63 can be lifted for adjustment. The adjusting rod 62 can be placed in different placement slots 64 in the transverse groove 61. In this way, the position of the adjusting rod 62 is adjusted and the stretching degree of the film is adjusted in cooperation with the limiting column 6 to adapt to different film processing requirements. The design of the limiting column 6, the adjusting rod 62 and the handle 63 enables the equipment to be adjusted and fixed according to different processing requirements, increasing the versatility and flexibility of the equipment.

[0032] Reference Figure 2 , one end of the lower corona shaft 31 and the upper corona shaft 21 are both welded with a linkage gear 5, and the outer surfaces of the two corresponding linkage gears 5 are meshed with each other. A motor 51 is provided inside one of the vertical plates 2 and the drive box 3, and the output ends of the two motors 51 are respectively welded with one of the lower corona shafts 31 and the upper corona shaft 21. The equipment is powered by the motor 51. After the motor 51 is started, since one end of the lower corona shaft 31 and the upper corona shaft 21 are both welded with a linkage gear 5, and the outer surfaces of the two corresponding linkage gears 5 are meshed with each other, the two lower corona shafts 31 and the two upper corona shafts 21 can rotate synchronously, driving the lower corona shaft 31 and the upper corona shaft 21 to rotate. The setting of the linkage gear 5 ensures the synchronous rotation of the two lower corona shafts 31 and the two upper corona shafts 21, ensures the stability of the film during transmission, and improves the quality of corona treatment.

[0033] The implementation principle of the embodiment of the present application is as follows: the base plate 1 is a carrier for connecting and supporting, the vertical plate 2 and the drive box 3 constitute the frame structure of the equipment, the protective shell 22 can protect and support the entire equipment, and the film is transmitted between the two horizontally established lower corona shafts 31 and the two vertically established upper corona shafts 21. The rotation of the lower corona shaft 31 and the upper corona shaft 21 drives the film to move forward to realize a continuous corona treatment process. The limiting column 6 can limit the position of the passing film, and the handle 63 can be lifted for adjustment. The adjusting rod 62 can be placed in different placement slots 64 in the horizontal groove 61. In this way, the position of the adjusting rod 62 is adjusted, and the stretching degree of the film is adjusted in cooperation with the limiting column 6 to adapt to different film processing requirements. The design of the limiting column 6, the adjusting rod 62 and the handle 63 enables the equipment to be adjusted and fixed according to different processing requirements, which increases the versatility and flexibility of the equipment.

[0034] The equipment is powered by a motor 51. After the motor 51 is started, a linkage gear 5 is welded to one end of the lower corona shaft 31 and the upper corona shaft 21, and the outer surfaces of the two corresponding linkage gears 5 are meshed and connected with each other, so that the two lower corona shafts 31 and the two upper corona shafts 21 can rotate synchronously, driving the lower corona shaft 31 and the upper corona shaft 21 to rotate. The setting of the linkage gear 5 ensures the synchronous rotation of the two lower corona shafts 31 and the two upper corona shafts 21, ensures the stability of the film during transmission, and improves the quality of corona treatment.

[0035] Example 2

[0036] The difference between this embodiment and embodiment 1 is that:

[0037] Reference Figure 3, a cross bar 4 is welded on one side of the upper end of the bottom plate 1, and a moving block 44 is slidably provided on the upper end of the cross bar 4, a moving disk 41 is welded on the upper end of the moving block 44, and a vertical disk 42 is welded on one side of the upper end of the bottom plate 1. One end of the vertical disk 42 and the moving disk 41 is provided with a through-type mounting groove 43, and a slide groove 45 for cooperating with the moving block 44 is provided on the upper end of the cross bar 4. A mounting plate 46 is welded on one end of the moving block 44, and the mounting plate 46 is connected to the cross bar 4 by two bolts. A plurality of bolt grooves 47 are provided on one side of the upper end of the cross bar 4, and there are thirteen bolt grooves 47, and the thirteen bolt grooves 47 are distributed at equal intervals. A moving block 44 is provided on the cross bar 4 on the upper side of the bottom plate 1, and the moving block 44 is provided on The movable plate 41 at the end is used in conjunction with the vertical plate 42 on one side of the upper end of the base plate 1. The movable block 44 can slide in the slide groove 45 of the cross bar 4. The film roll is placed in the two mounting grooves 43. By adjusting the position of the movable block 44, the distance between the movable plate 41 and the vertical plate 42 can be changed to adapt to films of different widths. The mounting plate 46 is connected to the cross bar 4 by two bolts. A plurality of bolt grooves 47 with equal intervals are provided on one side of the upper end of the cross bar to facilitate fixing the movable block in different positions. The movable block 44, movable plate 41, vertical plate 42 and multiple bolt grooves 47 on the cross bar 4 can be easily adjusted to adapt to films of different widths to meet diversified production needs and have high versatility.

[0038] The examples of this specific embodiment are all preferred embodiments of this application and are not intended to limit the scope of protection of this application. Identical components are represented by the same reference numerals. Therefore, any equivalent changes made based on the structure, shape, and principle of this application should be included in the scope of protection of this application.

Claims

1. A film corona treatment device, comprising a base plate (1), characterized in that: Vertical plates (2) are fixedly provided on both sides of the upper end of the base plate (1), and driving boxes (3) are fixedly provided on both sides of the upper end of the base plate (1). Two lower corona shafts (31) and two upper corona shafts (21) are rotatably provided between the two driving boxes (3) and the two vertical plates (2). A limiting column (6) is fixedly provided between the two vertical plates (2). One end of each of the two vertical plates (2) is provided with a transverse groove (61), and the lower end of the transverse groove (61) is provided with three placement grooves (64), wherein the inner walls of two corresponding placement grooves (64) are commonly provided with an adjusting rod (62).

2. A thin film corona treatment device according to claim 1, characterized in that: A cross bar (4) is fixedly provided on one side of the upper end of the base plate (1), and a moving block (44) is slidably provided on the upper end of the cross bar (4), a moving disk (41) is fixedly provided on the upper end of the moving block (44), a vertical disk (42) is fixedly provided on one side of the upper end of the base plate (1), one end of each of the vertical disk (42) and the moving disk (41) is provided with a through-type mounting groove (43), a sliding groove (45) used in conjunction with the moving block (44) is provided on the upper end of the cross bar (4), and a mounting plate (46) is fixedly provided on one end of the moving block (44), and the mounting plate (46) is connected to the cross bar (4) by two bolts.

3. A thin film corona treatment device according to claim 1, characterized in that: One end of each of the lower corona shaft (31) and the upper corona shaft (21) is fixedly provided with a linkage gear (5), and the outer surfaces of the two corresponding linkage gears (5) are meshed and connected with each other. A motor (51) is provided inside one of the vertical plates (2) and the drive box (3), and the output ends of the two motors (51) are fixedly connected to one of the lower corona shaft (31) and the upper corona shaft (21), respectively.

4. The thin film corona treatment device according to claim 1, characterized in that: The two lower corona axes (31) are set up horizontally, and the two upper corona axes (21) are set up vertically.

5. The thin film corona treatment device according to claim 1, characterized in that: A protective shell (22) is fixedly provided on the upper portion of one end on the same side of the two vertical plates (2).

6. The thin film corona treatment device according to claim 1, characterized in that: The drive box (3) and the vertical plate (2) located on one side are fixedly connected.

7. The thin film corona treatment device according to claim 1, characterized in that: Both ends of the adjusting rod (62) are fixedly provided with handles (63), and the outer surfaces of the handles (63) are roughened.

8. The thin film corona treatment device according to claim 2, characterized in that: A plurality of bolt slots (47) are provided on one side of the upper end of the crossbar (4), and there are thirteen bolt slots (47), and the thirteen bolt slots (47) are distributed at equal intervals.