Surface plasma treatment equipment for polymer film

Abstract

The utility model discloses surface plasma processing equipment for a polymer film, which comprises a first support, a second support and a plasma processing device, wherein the first support and the second support are oppositely arranged, and the plasma processing device is arranged between the first support and the second support. The plasma processing device comprises a corona roller rotationally arranged between the first support and the second support and a discharging device arranged above the corona roller, and the discharging device comprises a mounting frame arranged between the first support and the second support in a sliding mode and a plurality of ceramic electrode tubes elastically connected to the mounting frame. The surface plasma processing equipment for the polymer film is compact in structure, and the ceramic electrode tube is elastically arranged on the mounting frame and can be elastically contacted with the surface of the film, so that the film is prevented from being damaged, and the qualified rate of products is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of film composite production, especially relates to a surface plasma treatment equipment of polymer film. BACKGROUND

[0002] Plasma treatment can produce plasma through gas discharge, electron beam heating, laser irradiation and the like. The electrons and ions in the plasma have high energy and high speed, and can collide with matter to cause chemical reactions, ion beam bombardment, material melting and the like. The methods for film surface treatment include corona treatment, chemical treatment, mechanical roughening, coating and the like, among which the most commonly used is the corona treatment method. The existing plasma treatment equipment using the corona treatment method adopts a mode of clamping the film by a discharge electrode and a corona roller, which cannot be applied to the production of films with different thicknesses, and when the film thickness is uneven, the film is easily damaged. Therefore, improvement is needed. SUMMARY

[0003] The utility model aims at providing a surface plasma treatment equipment of polymer film to overcome the deficiencies in the prior art.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0005] The utility model discloses a surface plasma treatment equipment of polymer film, including opposite first support and second support and the plasma treatment device of setting in first support and second support between, the plasma treatment device includes the corona roller of rotation setting in first support and second support between and the discharge device of setting in the corona roller top, the discharge device includes the mounting frame of sliding setting in first support and second support between and a plurality of elastic connection in mounting frame ceramic electrode pipe.

[0006] Further, in the surface plasma treatment equipment of polymer film described above, the mounting frame includes end plates slidingly connected to the first support and the second support, respectively, and a housing connected between the two end plates, the bottom of the housing is open, and the ceramic electrode tube is connected to the housing through a sliding bracket.

[0007] Further, in the surface plasma treatment equipment of polymer film described above, the open ends of the housing are respectively hinged to the bending plates through hinges.

[0008] Further, in the surface plasma treatment equipment of polymer film described above, the sliding bracket includes a sliding plate connected to the housing and a plurality of mounting plates provided at the bottom end of the sliding plate, the bottom surface of the mounting plate is arc-shaped and provided with a mounting groove corresponding to the ceramic electrode tube.

[0009] Further, in the polymer film surface plasma treatment equipment, the end plates are respectively connected to the first support and the second support through sliding rails.

[0010] Further, in the polymer film surface plasma treatment equipment, the top end of the sliding plate is provided with a stud connected to the shell through sliding, and a spring is arranged between the sliding plate and the shell.

[0011] Further, in the polymer film surface plasma treatment equipment, the outer wall of the first support and the second support is respectively provided with a lifting cylinder, and the piston rod of the lifting cylinder is respectively hinged to the mounting frame.

[0012] Further, in the polymer film surface plasma treatment equipment, the outer wall of the first support or the second support is provided with a manual valve for controlling the lifting cylinder.

[0013] Further, in the polymer film surface plasma treatment equipment, one end of the corona roller is provided with a protractor.

[0014] Further, in the polymer film surface plasma treatment equipment, both sides of the corona roller are respectively provided with a material guide roller.

[0015] Compared with the prior art, the polymer film surface plasma treatment equipment has the advantages of compact structure, elastic ceramic electrode tube arranged on the mounting frame, elastic contact with the surface of the film, avoiding damage to the film, and improving the qualified rate of products. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed in the embodiment or prior art description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments described in the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0017] Figure 1 The structure of the polymer film surface plasma treatment equipment in the embodiment of the present application is shown.

[0018] Figure 2 The structure of the polymer film surface plasma treatment equipment in the embodiment of the present application is shown.

[0019] Figure 3The utility model discloses a cross section schematic view of the surface plasma treatment equipment of polymer film in a specific embodiment of the utility model. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be described in detail below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work belong to the protection scope of the utility model.

[0021] In the description of the utility model, it needs to be explained that the orientation or position relation indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is the orientation or position relation based on the orientation or position relation shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0022] In the description of the utility model, it needs to be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting" should be understood broadly, for example, can be fixed connection, can also be detachable connection, or integrally connected, can be mechanical connection, can also be electrical connection, can be directly connected, can also be indirectly connected through intermediate medium, can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0023] Referring to Figures 1 to 3 As shown, a kind of surface plasma treatment equipment of polymer film, including first support 1 and second support 2 of opposite arrangement and the plasma treatment device being arranged between first support 1 and second support 2, plasma treatment device includes corona roller 3 rotationally arranged between first support 1 and second support 2 and discharge device being arranged above corona roller 3, discharge device includes mounting frame slidingly arranged between first support 1 and second support 2 and several ceramic electrode tubes 4 elastically connected to mounting frame.

[0024] The first support and the second support are both L-shaped structures and oppositely arranged, and each comprises a bottom plate and a vertical plate, wherein the bottom plate is arranged on a workbench or a film processing line through conventional bolts, etc., the ceramic electrode tube and the corona roller are both existing structures, wherein the ceramic electrode tube is slidably arranged relative to the corona roller through a mounting frame, the film passes between the ceramic electrode tube and the corona roller to complete surface plasma treatment, the ceramic electrode tube and the film are in elastic contact to avoid damaging the film and improve the qualified rate of products.

[0025] Exemplarily, referring to Figures 1 to 3 As shown in the figure, the mounting frame comprises end plates 5 slidably connected to the first support 1 and the second support 2 respectively and a shell 6 connected between the two end plates 5, the bottom of the shell 6 is open, and the ceramic electrode tube 4 is connected to the shell 6 through a sliding support.

[0026] In the technical solution, the end plate is a plate-shaped structure, the shell is assembled from conventional profiles and sheet metal parts through bolts, pre-installed nuts and structures, etc., and the two ends of the shell are fixed to the corresponding end plates, the outer wall of one end plate is provided with conventional air outlets and cold air outlets (not marked) and the like, and is connected to external air extractors and cooling fans through external pipelines, etc., to improve the cooling speed of the ceramic electrode tube.

[0027] Exemplarily, referring to Figures 1 to 3 As shown in the figure, the open ends of the shell 6 are respectively hingedly connected with bending plates 61.

[0028] In the technical solution, the bending plate is bent inward (towards the side close to the ceramic electrode tube), a stop pin corresponding to the bending plate is arranged in the end plate to avoid the contact between the bending plate and the ceramic electrode tube, the bending plate separates the ceramic electrode tube from the outside environment to protect the ceramic electrode tube, and also plays a role in preventing radiation, improving the safety of operation, when the ceramic electrode tube needs to be replaced, the bending plate can be turned outward, without the need to disassemble the entire shell, facilitating operation.

[0029] Exemplarily, referring to Figures 1 to 3 As shown in the figure, the sliding support comprises a sliding plate 7 connected to the shell 6 and a plurality of mounting plates 8 arranged at the bottom end of the sliding plate 7, the bottom surface of the mounting plate 8 is arc-shaped and is provided with a mounting groove corresponding to the ceramic electrode tube 4.

[0030] In the technical solution, the mounting plate is mounted on the sliding plate through bolts, etc., the bottom surface thereof is arc-shaped and is processed with a plurality of T-shaped grooves, the top end of the ceramic electrode tube is T-shaped and is slidably inserted into the T-shaped groove of the mounting plate, facilitating installation, and the ceramic electrode tube is arranged at equal intervals along the arc-shaped structure of the bottom surface of the mounting plate, after the bottom surface of the mounting plate is coaxial with the corona roller, the distance from the ceramic electrode tube to the surface of the corona roller is the same, improving the uniformity of treatment.

[0031] Exemplarily, referring to Figures 1 to 3As shown, the end plates 5 are respectively connected to the corresponding first support 1 and second support 2 through the guide rails 9.

[0032] In the technical solution, the guide rail is a conventional straight guide rail, and is mounted on the inner wall (the side close to the corresponding end plate) of the first support and the second support through bolts. The outer wall of the end plate is connected to the slider of the guide rail through bolts or the like. The mounting frame reciprocally slides along the guide rail, that is, the ceramic electrode tube moves relative to the corona roller. A limit block is arranged below the guide rail to limit the moving distance of the mounting frame, so as to avoid the collision between the ceramic electrode tube and the corona roller.

[0033] Exemplarily, refer to Figures 1 to 3 As shown, the top end of the sliding plate 7 is provided with a stud 71 which is slidably connected to the shell 6, and a spring 72 is arranged between the sliding plate 7 and the shell 6.

[0034] In the technical solution, the top end of the stud penetrates through the shell and is provided with an adjusting nut (not marked). The spring is arranged between the sliding plate and the shell, and is sleeved on the corresponding stud. By adjusting the position of the adjusting nut, the mounting position of the ceramic electrode tube is adjusted, so as to improve the matching degree of the ceramic electrode tube and the corona roller. When the mounting frame slides downward along the guide rail, that is, the ceramic electrode tube approaches the corona roller, the ceramic electrode tube elastically contacts the surface of the film under the action of the spring. Even if the thickness of the film changes, the film will not be damaged.

[0035] Exemplarily, refer to Figures 1 to 3 As shown, the outer wall of the first support 1 and the second support 2 is respectively provided with a lifting cylinder 10, and the piston rod of the lifting cylinder 10 is respectively hinged to the end plate 5 of the mounting frame.

[0036] In the technical solution, the lifting cylinder is a conventional telescopic cylinder, and is fixed to the outer wall (the side away from the end plate) of the first support and the second support through bolts or the like. The piston rod of the lifting cylinder is connected to the joint bearing through threaded connection, and is hinged to the corresponding end plate through bolts or pins. The first support and the second support are respectively provided with avoiding holes / slits corresponding to the bolts or pins connected to the joint bearing. The ceramic electrode tube is driven to reciprocally ascend and descend by the extension and contraction of the piston rod of the lifting cylinder, so as to complete the surface treatment of the film in cooperation with the step-by-step feeding of the film.

[0037] Exemplarily, refer to Figures 1 to 3 As shown, the outer wall of the first support 1 or the second support 2 is provided with a manual valve 20 for controlling the lifting cylinder 10.

[0038] In this technical solution, the manual valve is fixed to the outer wall of the first or second bracket by bolts, etc., and connected to the lifting cylinder by conventional air pipes, etc. The extension and retraction of the lifting cylinder is manually controlled by the manual valve, that is, the mounting frame is manually controlled to move the ceramic electrode tube relative to the corona roller. This is used for debugging before production. According to the thickness of the film, the position of the magnetic switch of the lifting cylinder, the connection position of the joint bearing and the piston rod, or the installation height of the stud relative to the housing is adjusted to adjust the distance between the ceramic electrode tube and the corona roller. It can also be used for the needs of non-continuous production such as sample making.

[0039] For example, see Figures 1 to 3 As shown, an indexing plate 30 is provided at one end of the corona roller 3.

[0040] In this technical solution, the indexing plate can be any indexing plate described in the existing technology, and it is used with a conventional sensor to monitor the rotation angle of the corona roller. The sensor is fixed to the inner wall of the corresponding end plate by a conventional sensor bracket.

[0041] For example, see Figures 1 to 3 Figures 1 to 3 As shown, guide rollers 40 are respectively provided on both sides of the corona roller 3.

[0042] In this technical solution, the guide roller has a conventional structure and is used to guide the film and improve the adhesion between the film and the surface of the corona roller.

[0043] In summary, the surface plasma treatment equipment for polymer films has a compact structure, and the ceramic electrode tube is flexibly mounted on the mounting bracket, allowing it to make flexible contact with the surface of the film, thus avoiding damage to the film and improving the product qualification rate.

[0044] It should be noted that, in this document, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes the element.

[0045] The above description is only a specific embodiment of this utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of this utility model, and these improvements and modifications should also be considered within the protection scope of this utility model.

Claims

1. A surface plasma treatment device for polymer thin films, characterized in that, The device includes a first support and a second support arranged opposite to each other, and a plasma processing device disposed between the first support and the second support. The plasma processing device includes a corona roller rotatably disposed between the first support and the second support and a discharge device disposed above the corona roller. The discharge device includes a mounting frame slidably disposed between the first support and the second support and a plurality of ceramic electrode tubes elastically connected to the mounting frame.

2. The surface plasma treatment equipment for polymer films according to claim 1, characterized in that: The mounting bracket includes end plates slidably connected to the first bracket and the second bracket respectively, and a housing connected between the two end plates. The bottom of the housing is open, and the ceramic electrode tube is connected to the housing through a sliding bracket.

3. The surface plasma treatment equipment for polymer films according to claim 2, characterized in that: The open ends of the housing are respectively hinged with bent plates.

4. The surface plasma treatment equipment for polymer films according to claim 2, characterized in that: The sliding bracket includes a sliding plate connected to the housing and several mounting plates disposed at the bottom of the sliding plate. The bottom surface of the mounting plate has an arc-shaped structure and is provided with mounting grooves corresponding to the ceramic electrode tube.

5. The surface plasma treatment equipment for polymer films according to claim 4, characterized in that: The end plates are slidably connected to the corresponding first and second brackets via guide rails.

6. The surface plasma treatment equipment for polymer films according to claim 4, characterized in that: The top of the slide plate is provided with a stud that is slidably connected to the housing, and a spring is provided between the slide plate and the housing.

7. The surface plasma treatment equipment for polymer thin films according to claim 1, characterized in that: The outer walls of the first and second supports are respectively provided with lifting cylinders, and the piston rods of the lifting cylinders are respectively hinged to the mounting frame.

8. The surface plasma treatment equipment for polymer thin films according to claim 7, characterized in that: The outer wall of the first or second bracket is provided with a manual valve for controlling the lifting cylinder.

9. The surface plasma treatment equipment for polymer thin films according to claim 1, characterized in that: A dividing plate is provided at one end of the corona roller.

10. The surface plasma treatment equipment for polymer films according to claim 1, characterized in that: Guide rollers are provided on both sides of the corona roller.

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