A metallized polypropylene film surface composition detection mechanism

Abstract

This utility model relates to the field of testing technology, specifically to a surface composition testing mechanism for metallized polypropylene films. It includes a testing groove for placing metallized polypropylene film samples, with a placement platform within the groove. In use, a drive mechanism drives a scraper to slit the surface of the metallized polypropylene film sample. This process involves first driving a clamping part to gradually press and limit the metallized polypropylene film sample, while the scrapers on both sides continue cutting the sample, ensuring smooth slit cutting until the adhesive head abuts against the surface of the slit-cut metallized polypropylene film sample. The drive mechanism then reverses the above operation, allowing several adhesive heads with different adhesive orientations to perform adhesion testing on the surface of the slit-cut metallized polypropylene film sample in multiple directions, thereby accurately evaluating the bonding performance of the film surface coating.

Description

Technical Field

[0001] This utility model relates to the field of detection technology, and in particular to a device for detecting the surface composition of metallized polypropylene films. Background Technology

[0002] The bonding strength and density between the surface metal coating of a metallized polypropylene film and the substrate are important indicators for evaluating its quality and performance. These properties directly affect the durability and functionality of the film in practical applications. Existing surface metal coatings are usually prepared by surface modification. Specifically, the polypropylene film is immersed in an oxidant solution for oxidation pretreatment, then immersed in a metal oxide precursor solution, and then subjected to wet heat treatment to obtain a surface-modified polypropylene film. A metal layer is then formed on the modified surface of the surface-modified polypropylene film to obtain the polypropylene metallized film.

[0003] For example, Chinese patent application number CN202211594429.9 discloses a polypropylene metallized film and its processing technology. By modifying the surface of the polypropylene film and then forming a metal layer on it, the adhesion and density of the metal layer on the polypropylene film are greatly improved. This solves the problem of poor adhesion between the Zn metal film and the polypropylene film, and also prevents Al oxidation, thus avoiding excessive capacitance decay under high voltage in pure Al metal film capacitors. However, the polypropylene film prepared by this process lacks bonding strength testing. Directly bonding the surface of the metallized polypropylene film with standard tape makes it impossible to evaluate the bonding performance of the coating from multiple directions. Utility Model Content

[0004] In view of this, the purpose of this utility model is to propose a surface composition detection mechanism for metallized polypropylene films, so as to solve the technical problem that the existing technology lacks bonding strength detection and directly uses standard tape to tightly bond the surface of metallized polypropylene films, making it impossible to evaluate the bonding performance of the film surface coating from multiple directions.

[0005] To achieve the above objectives, this utility model provides a surface composition detection mechanism for metallized polypropylene films, including a detection tank for placing metallized polypropylene film samples, a placement stage within the detection tank, and a negative pressure generator extending from the bottom of the detection tank to the placement stage. The detection mechanism further includes: A mounting base is horizontally slidably disposed within the detection groove; there are two mounting bases arranged opposite to each other. A scraper is mounted on the mounting base, and a cutting gap is provided between adjacent scrapers; Several adhesive heads are vertically mounted in the detection groove. The adhesive heads are positioned above the cutting gap in the vertical direction, and the adhesive orientation of the several adhesive heads is different. A drive mechanism for driving the scraper to slit the surface of the metallized polypropylene film sample. A clamping part used to press the metallized polypropylene film sample.

[0006] Furthermore, the placement platform is detachably located in the middle of the detection groove, and a through hole is provided in the middle of the placement platform, with the middle of the metallized polypropylene film sample corresponding to the through hole.

[0007] Furthermore, the drive mechanism includes: A cylinder mounted on the detection slot; A guide frame is installed inside the detection slot; A lifting frame is slidably disposed within the guide frame, and the lifting frame is disposed on the output end of the cylinder; A guide rod is disposed within the detection groove, and the mounting base is slidably disposed on the guide rod; A pair of connecting rods are hinged to one side of the mounting base, and the other end of the connecting rod is hinged to the lifting frame.

[0008] Furthermore, the pressing part includes a lifting seat and a pressure rod. The lifting seat is mounted on the lifting frame, and the pressure rod is movably mounted on the lifting seat via a tension spring.

[0009] Furthermore, there are four pressure rods, which are respectively arranged around the lifting seat. The lower part of the pressure rod is provided with an extension plate. When the extension plate is placed at the lowest point, the extension plate mates with the surface of the metallized polypropylene film sample.

[0010] Furthermore, the circumferential ring of the through hole is provided with an insertion hole, which in the vertical direction mates with the lower end of the pressure rod.

[0011] Furthermore, the scraper is detachably mounted on the mounting base. During horizontal movement, the scraper cuts the surface of the metallized polypropylene film sample at a spacing of 3 cm and at a depth of 3 mm.

[0012] Furthermore, the adhesive head is adjustablely mounted on the lifting base, and when the adhesive head is at its lowest position, the adhesive end face of the adhesive head is attached to the surface of the metallized polypropylene film sample.

[0013] The beneficial effects of this utility model are as follows: In use, the drive mechanism drives the scraper to cut the surface of the metallized polypropylene film sample into strips. This process first drives the clamping part to gradually press and limit the metallized polypropylene film sample, while the scrapers on both sides continue to cut the metallized polypropylene film sample, ensuring the smooth progress of the strip cutting until the adhesive head abuts against the surface of the metallized polypropylene film sample after strip cutting. Then, the drive mechanism reverses the above operation process, so that several adhesive heads with different adhesive orientations can be used to test the adhesion of the metallized polypropylene film sample surface in multiple directions, so as to accurately evaluate the bonding performance of the film surface coating. Attached Figure Description

[0014] To more clearly illustrate the technical solutions in this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only for this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0015] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is a schematic diagram of the structure of the placement platform in this utility model; Figure 3 This is a schematic diagram of the assembly of the drive mechanism and the scraper in this utility model; Figure 4 This is an assembly diagram of the clamping part in this utility model; Figure 5 This is a schematic diagram of the assembly of the mounting base and the scraper in this utility model.

[0016] The diagram is marked as follows: 1. Metallized polypropylene film sample; 2. Testing tank; 3. Placement stage; 4. Negative pressure generator; 5. Mounting base; 6. Scraper; 7. Adhesive head; 8. Through hole; 9. Cylinder; 10. Guide frame; 11. Lifting frame; 12. Guide rod; 13. Connecting rod; 14. Lifting seat; 15. Pressure rod; 16. Extension plate. Detailed Implementation

[0017] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to specific embodiments.

[0018] It should be noted that, unless otherwise defined, the technical or scientific terms used in this utility model should have the ordinary meaning understood by one of ordinary skill in the art to which this utility model pertains. The terms "first," "second," and similar terms used in this utility model do not indicate any order, quantity, or importance, but are merely used to distinguish different components. Terms such as "comprising" or "including" mean that the element or object preceding the word encompasses the elements or objects listed following the word and their equivalents, without excluding other elements or objects. Terms such as "connected" or "linked" are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. Terms such as "upper," "lower," "left," and "right" are used only to indicate relative positional relationships; when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0019] The first aspect of this utility model proposes a surface composition detection mechanism for metallized polypropylene films, such as... Figure 1-5 As shown, the device includes a testing tank 2 for placing a metallized polypropylene film sample 1, a placement stage 3 inside the testing tank 2, and a negative pressure generator 4 extending from the bottom of the testing tank 2 to the placement stage 3. The testing mechanism also includes: There are two mounting bases 5 that are horizontally slidably disposed within the detection groove 2 and are arranged opposite to each other. The scraper 6 is mounted on the mounting base 5, and there is a cutting gap between adjacent scrapers 6; Several adhesive heads 7 are vertically mounted in the detection groove 2. The adhesive heads 7 are positioned above the cutting gap in the vertical direction, and the adhesive orientation of the several adhesive heads 7 is different. A drive mechanism for driving the scraper 6 to slit the surface of the metallized polypropylene film sample 1. The clamping part is used to press the metallized polypropylene film sample 1.

[0020] In this embodiment, during use, the metallized polypropylene film sample 1 to be tested is first placed on the placement platform 3 in the testing groove 2. The metallized polypropylene film sample 1 is pre-positioned by the negative pressure generator 4. The drive mechanism drives the scraper 6 to cut the surface of the metallized polypropylene film sample 1 into strips. In this process, the pressing part is driven to gradually press and limit the metallized polypropylene film sample 1, and the scrapers on both sides continue to cut the metallized polypropylene film sample 1 to ensure the smooth progress of the strip cutting until the adhesive head 7 abuts against the surface of the metallized polypropylene film sample 1 after strip cutting. Then, the above operation process is executed in reverse by the drive mechanism, so that the adhesion of the metallized polypropylene film sample 1 after slitting can be tested in multiple directions by several adhesive heads 7 with different adhesive orientations.

[0021] In this embodiment, as Figure 2 As shown, the placement platform 3 is detachably located in the middle of the detection tank 2. A through hole 8 is opened in the middle of the placement platform 3. The middle of the metallized polypropylene film sample 1 corresponds to the through hole 8. The negative pressure generator 4 can adjust the negative pressure power in time according to the deformation strength of the metallized polypropylene film sample 1 to be tested. Under the adsorption effect of the through hole 8, the metallized polypropylene film sample 1 is guaranteed to be flat and pre-positioned.

[0022] In this embodiment, as Figure 3 As shown, the drive mechanism includes: Cylinder 9 is installed on the detection tank 2; Guide frame 10 is installed inside the detection slot 2; A lifting frame 11 is slidably disposed within the guide frame 10, and the lifting frame 11 is disposed on the output end of the cylinder 9; The guide rod 12 is located inside the detection groove 2, and the mounting base 5 is slidably mounted on the guide rod 12; A pair of connecting rods 13 are hinged to one side of the mounting base 5, and the other end of the connecting rod 13 is hinged to the lifting frame 11; Specifically, the output end of the cylinder 9 drives the lifting frame 11 to move, and through the connecting rod 13 and under the guidance of the guide rod 12, the scraper 6 on the mounting base 5 precisely cuts the surface of the metallized polypropylene film sample 1.

[0023] In this embodiment, as Figure 4 As shown, the clamping part includes a lifting seat 14 and a pressure rod 15. The lifting seat 14 is mounted on the lifting frame 11, and the pressure rod 15 is movably mounted on the lifting seat 14 by a tension spring to ensure a secure clamping of the metallized polypropylene film sample 1.

[0024] In this embodiment, as Figure 4 As shown, there are four pressure rods 15, which are respectively arranged around the lifting seat 14. The lower part of the pressure rod 15 is provided with an extension plate 16. When the extension plate 16 is placed at the lowest point, the extension plate 16 mates with the surface of the metallized polypropylene film sample 1.

[0025] In this embodiment, as Figure 2 As shown, the circumferential ring of the through hole 8 is provided with an insertion hole. In the vertical direction, the insertion hole cooperates with the lower end of the pressure rod 15. The pressure rod 15 can be accurately inserted into the insertion hole to ensure a reliable clamping of the metallized polypropylene film sample 1.

[0026] In this embodiment, the scraper 6 is detachably mounted on the mounting base 5. During the horizontal movement of the scraper 6, the surface of the metallized polypropylene film sample 1 is cut at a spacing of 3cm and the surface of the metallized polypropylene film sample 1 is cut to a depth of 3mm, ensuring that the surface coating of the metallized polypropylene film sample 1 is completely separated on each cut strip.

[0027] In this embodiment, the adhesive head 7 is adjustablely mounted on the lifting seat 14. When the adhesive head 7 is at its lowest position, the adhesive end face of the adhesive head 7 is attached to the surface of the metallized polypropylene film sample 1.

[0028] Those skilled in the art should understand that the discussion of any of the above embodiments is merely exemplary and is not intended to imply that the scope of the present invention includes the claims being limited to these examples; within the framework of the present invention, the technical features of the above embodiments or different embodiments can also be combined, the steps can be implemented in any order, and there are many other variations of the different aspects of the present invention as described above, which are not provided in the details for the sake of brevity.

[0029] This utility model is intended to cover all such substitutions, modifications, and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A metalized polypropylene film surface composition detection mechanism comprising a detection groove (2) for placing a metalized polypropylene film sample (1), characterized in that, The detection tank (2) is provided with a placement platform (3), and the bottom of the detection tank (2) is provided with a negative pressure generator (4) extending to the placement platform (3). The detection mechanism also includes: A mounting base (5) is horizontally slidably disposed within the detection groove (2), and there are two mounting bases (5) arranged opposite to each other; A scraper (6) is provided on the mounting base (5), and a cutting gap is provided between adjacent scrapers (6); Several adhesive heads (7) that can be raised and lowered are placed in the detection groove (2). The adhesive heads (7) are positioned above the cutting gap in the vertical direction. The adhesive orientation of the several adhesive heads (7) is different. A drive mechanism for driving the scraper (6) to slit the surface of the metallized polypropylene film sample (1); A clamping part used to press the metallized polypropylene film sample (1).

2. The metalized polypropylene film surface composition detection mechanism according to claim 1, characterized in that, The placement platform (3) is detachably located in the middle of the detection groove (2). A through hole (8) is provided in the middle of the placement platform (3), and the middle of the metallized polypropylene film sample (1) corresponds to the through hole (8).

3. The metalized polypropylene film surface composition detection mechanism according to claim 2, wherein The drive mechanism includes: A cylinder (9) is installed on the detection groove (2); A guide frame (10) is provided in the detection groove (2); A lifting frame (11) is slidably disposed within the guide frame (10), and the lifting frame (11) is disposed on the output end of the cylinder (9); A guide rod (12) is provided in the detection groove (2), and the mounting base (5) is slidably provided on the guide rod (12); A pair of connecting rods (13) are hinged to one side of the mounting base (5), and the other end of the connecting rods (13) is hinged to the lifting frame (11).

4. The metalized polypropylene film surface composition detection mechanism according to claim 3, wherein The pressing part includes a lifting seat (14) and a pressure rod (15). The lifting seat (14) is installed on the lifting frame (11), and the pressure rod (15) is movably mounted on the lifting seat (14) by a tension spring.

5. The metalized polypropylene film surface composition detection mechanism according to claim 4, wherein There are four pressure rods (15) and they are respectively located around the lifting seat (14). The lower part of the pressure rod (15) is provided with an extension plate (16). When the extension plate (16) is placed at the lowest point, the extension plate (16) matches the surface of the metallized polypropylene film sample (1).

6. The metalized polypropylene film surface composition detection mechanism according to claim 4, wherein The through hole (8) has a circumferential insertion hole, which in the vertical direction engages with the lower end of the pressure rod (15).

7. The metalized polypropylene film surface composition detection mechanism according to claim 1, wherein The scraper (6) is detachably mounted on the mounting base (5). During the horizontal movement of the scraper (6), the surface cutting distance of the metallized polypropylene film sample (1) is 3cm, and the surface cutting depth of the metallized polypropylene film sample (1) is 3mm.

8. The metalized polypropylene film surface composition detection mechanism according to claim 4, wherein The adhesive head (7) is adjustable and installed on the lifting seat (14). When the adhesive head (7) is at its lowest position, the adhesive end face of the adhesive head (7) is attached to the surface of the metallized polypropylene film sample (1).

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