A pressing device based on mylar processing

Abstract

The utility model relates to the field of mylar sheet processing is disclosed a kind of based on mylar sheet processing and pressing device, solve with the passage of time, glue gradually solidifies in natural environment, form a layer of solid and difficult to remove adherend in fixed plate inboard, solidified glue when subsequent fixed circuit board and mylar sheet, hinder component accurate in place, lead to fixed deviation, to weaken the overall structural stability and electrical performance reliability of product problem, a kind of based on mylar sheet processing and pressing device, including base, the first support plate of fixed connection in base upper side, so that after pressing completion, push mechanism drives scraping mechanism to move to outside, drive scraping mechanism to complete cleaning downward, relative to prior art, reduce solid and difficult to remove adherend, hinder component accurate in place, to improve the overall structural stability and electrical performance reliability of product.

Description

Technical Field

[0001] This utility model relates to the field of mylar sheet processing, specifically to a pressing device for mylar sheet processing. Background Technology

[0002] The pressing device for Mylar film processing is mainly used to tightly press Mylar films onto circuit boards to achieve specific functions and effects, and improve the tightness of the connection. In circuit board processing, Mylar films can be used as insulating materials to adhere to the back of the circuit board to isolate short circuits and protect electronic components. The pressing device applies pressure to the Mylar film, making it adhere tightly to the circuit board, effectively improving the tightness of the connection between the two, preventing the Mylar film from falling off the circuit board, and thus enhancing the protective effect of the Mylar film on the circuit board.

[0003] Announcement No. CN221022014U discloses a pressing device for Mylar sheet processing, including a worktable and a mounting assembly. The mounting assembly includes an adjusting guide rail, an adjusting block, a guide block, a limiting plate, a fixing frame, a pressure plate, a pressing component, and an adjusting component. The adjusting guide rail is fixedly installed on one side of the worktable. The adjusting component is connected to the worktable and the adjusting guide rail. The adjusting block is slidably connected to the adjusting guide rail and the adjusting component. In the electronic equipment manufacturing industry, Mylar sheet, due to its excellent electrical insulation properties, good mechanical strength, and stable chemical properties, has become a key material for circuit board protection and insulation treatment. Existing pressing devices for Mylar sheet processing bear the important responsibility of tightly fitting Mylar sheet to components such as circuit boards; however, problems have been exposed during actual operation of this device.

[0004] In current lamination processes, the precise control of adhesive usage, serving as the medium connecting Mylar sheets to the laminated surfaces, has always been a challenge in the industry. On the one hand, due to the lack of high-precision adhesive application equipment and scientific dosage calculation models, excessive adhesive usage is frequently observed in practice. On the other hand, the pressure regulation systems of lamination equipment are not intelligent or precise enough, resulting in large pressure fluctuations and often exceeding reasonable pressure ranges. The interplay of excessive adhesive usage and excessive pressure causes a large amount of adhesive to be squeezed out from the edges of the Mylar sheets and the laminated surfaces, adhering to the inner side of the fixing plate used to secure the circuit board and the Mylar sheets.

[0005] On the production line, workers face high-intensity tasks, and the initial amount of extruded adhesive is often small. In the complex production environment and fast-paced workflow, it is difficult for workers to detect these tiny adhesive residues in time, and naturally, timely cleaning is impossible. Over time, the adhesive gradually hardens in the natural environment, forming a strong and difficult-to-remove layer on the inside of the fixing plate. The hardened adhesive hinders the precise positioning of components when fixing circuit boards and Mylar sheets, causing fixing deviations, and thus weakening the overall structural stability and electrical reliability of the product. Utility Model Content

[0006] The purpose of this invention is to provide a pressing device for Mylar sheet processing. By using this device, the problem of adhesive gradually curing in the natural environment over time, forming a hard and difficult-to-remove deposit on the inside of the fixing plate, is solved. The cured adhesive hinders the precise positioning of components when fixing the circuit board and Mylar sheet, resulting in fixing deviations and thus weakening the overall structural stability and electrical reliability of the product.

[0007] To achieve the above objectives, the present invention provides the following technical solution: a pressing device for processing Mylar film, comprising a base, a first support plate fixedly connected to one side above the base, a pressing machine fixedly connected to the upper end of the first support plate, a scraping mechanism provided inside the base, and a pushing mechanism provided below the base;

[0008] The base has holes inside, and the scraping mechanism includes an elastic telescopic rod disposed inside the holes. A limit plate is fixedly connected to the upper end of the elastic telescopic rod. A second support plate is fixedly connected to the other side of the base. A first guide groove is disposed inside the second support plate. A first guide rod is fixedly connected to the elastic telescopic rod inside the first guide groove. A second guide groove is connected to the end of the first guide groove near the center of the base. A groove is connected to the end of the holes near the center of the base. A spring is fixedly connected to the inside of the groove. A scraper is fixedly connected to one end of the spring.

[0009] Preferably, point a is provided on the outer side of the first guide groove away from the base, point b is provided on the inner side of the first guide groove away from the base, and point c is provided on the inner side of the first guide groove close to the base. The vertical height of point a of the first guide groove is higher than the position of point b of the first guide groove.

[0010] Preferably, the second guide groove has a horizontal straight line shape, and the vertical height of the horizontal center axis of the second guide groove is lower than the vertical height of point c of the first guide groove.

[0011] Preferably, the inner side of the groove fits against the outer side of the scraper, and the end of the scraper away from the center of the base is an inclined surface.

[0012] Preferably, the pushing mechanism includes a third support plate fixedly connected to the bottom of the base, a motor fixedly connected to the upper inner side of the third support plate, a rotating shaft fixedly connected to the output end of the motor, a rotating disk fixedly connected to the output end of the rotating shaft, a third guide groove provided inside the rotating disk, a second guide rod provided inside the third guide groove, a push rod fixedly connected to the upper end of the second guide rod, a sleeve fixedly connected to the lower outer side of the base, the push rod nested inside the sleeve, and the push rod and the elastic telescopic rod are connected in a fixed manner.

[0013] Preferably, the third guide groove has an arc shape and the third guide groove and the second guide rod are fitted with a clearance fit.

[0014] Preferably, the outer side of the sleeve fits against the outer side of the push rod, and the external structural shape of the push rod is cuboid.

[0015] This utility model proposes a pressing device for Mylar film processing, which includes a scraping mechanism and a pushing mechanism. After pressing, the pushing mechanism drives the scraping mechanism to move outward and downward to complete the cleaning. Compared with the prior art, this reduces the amount of stubborn and difficult-to-remove attachments that hinder the precise positioning of parts, thereby improving the overall structural stability and electrical reliability of the product. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall three-dimensional structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the left-side cross-sectional structure of the base of this utility model;

[0018] Figure 3 For the present utility model Figure 2 Schematic diagram of the structure at point A in the middle;

[0019] Figure 4 This is a top view schematic diagram of the third guide groove structure of this utility model.

[0020] In the diagram: 1. Base; 2. First support plate; 3. Pressing machine; 4. Scraping mechanism; 5. Pushing mechanism; 401. Elastic telescopic rod; 402. Limiting plate; 403. Second support plate; 404. First guide groove; 405. First guide rod; 406. Second guide groove; 407. Groove; 408. Spring; 409. Scraper; 501. Third support plate; 502. Motor; 503. Rotating shaft; 504. Rotating disk; 505. Third guide groove; 506. Second guide rod; 507. Push rod; 508. Sleeve; 6. Hole. 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] Please see Figures 1-4The present invention provides a technical solution: a pressing device for processing Mylar film, comprising a base 1, a first support plate 2 fixedly connected to one side above the base 1, a pressing machine 3 fixedly connected to the upper end of the first support plate 2, a scraping mechanism 4 provided inside the base 1, and a pushing mechanism 5 provided below the base 1.

[0023] The base 1 has an internal hole 6. The scraping mechanism 4 includes an elastic telescopic rod 401 disposed inside the hole 6. A limit plate 402 is fixedly connected to the upper end of the elastic telescopic rod 401. A second support plate 403 is fixedly connected to the other side above the base 1. The second support plate 403 has a first guide groove 404 inside. A first guide rod 405, fixedly connected to the elastic telescopic rod 401, is disposed inside the first guide groove 404. Point a is disposed on the outer side of the first guide groove 404 away from the base 1, and point b is disposed on the inner side of the first guide groove 404 away from the base 1. Point c is disposed on the inner side of the first guide groove 404 close to the base 1. The vertical height of point a of the first guide groove 404 is higher than that of point b of the first guide groove 404, so that when the first guide rod 405 moves to point a of the first guide groove 404, it can move back. The first guide rod 405 moves to the upper end of the first guide groove 404. The end of the first guide groove 404 near the center of the base 1 is connected to the second guide groove 406. The end of the hole 6 near the center of the base 1 is connected to the groove 407. A spring 408 is fixedly connected to the inside of the groove 407. A scraper 409 is fixedly connected to one end of the spring 408. The external structure of the second guide groove 406 is a horizontal straight line. The vertical height of the horizontal central axis of the second guide groove 406 is lower than the vertical height of point c of the first guide groove 404. This allows the first guide rod 405 to move horizontally when it moves inside the second guide groove 406. The inner side of the groove 407 is in contact with the outer side of the scraper 409. The end of the scraper 409 away from the center of the base 1 is an inclined surface. This prevents the scraper 409 from rotating when it moves inside the groove 407.

[0024] The pushing mechanism 5 includes a third support plate 501 fixedly connected to the bottom of the base 1. A motor 502 is fixedly connected to the upper inner side of the third support plate 501. A rotating shaft 503 is fixedly connected to the output end of the motor 502. A rotating disk 504 is fixedly connected to the output end of the rotating shaft 503. A third guide groove 505 is provided inside the rotating disk 504. A second guide rod 506 is provided inside the third guide groove 505. A push rod 507 is fixedly connected to the upper end of the second guide rod 506. A sleeve 5 is fixedly connected to the lower outer side of the base 1. 08. The push rod 507 is nested inside the sleeve 508. The third guide groove 505 has an arc shape and is fitted with the second guide rod 506 with a clearance fit. The outer side of the sleeve 508 fits against the outer side of the push rod 507. The push rod 507 has a cuboid shape, so that when the third guide groove 505 rotates, it can drive the second guide rod 506 to move laterally along the direction of the sleeve 508. The push rod 507 is fixedly connected to the elastic telescopic rod 401.

[0025] When pressing is required, the corresponding circuit board is placed on the base 1, the Mylar sheet is placed on top of the circuit board, and the motor 502 is started to rotate, driving the rotating shaft 503, the rotating disk 504 and the third guide groove 505 to rotate. Because the external structure of the third guide groove 505 is arc-shaped, the edge of the third guide groove 505 pushes the second guide rod 506 to move inward along the trajectory of the sleeve 508. At this time, the first guide rod 405 is located at point a of the first guide groove 404. Since the vertical height of point a of the first guide groove 404 is higher than that of point b of the first guide groove 404... The first guide rod 405 is positioned so that it can move to the upper interior of the first guide groove 404, causing the elastic telescopic rod 401 and the limiting plate 402 to move upward and towards the center of the base 1. At this time, the limiting plate 402 does not contact the scraper 409. When the first guide rod 405 moves into the interior of the second guide groove 406, the limiting plate 402 will descend, causing the lower surface of the limiting plate 402 to contact the upper surface of the base 1 and move towards the center of the base 1, thus limiting the circuit board and Mylar film. The press machine 3 is then started to move downward to complete the pressing of the circuit board and Mylar film. After pressing is completed, the motor 502 is started to rotate in the reverse direction, driving the push rod 507, the elastic telescopic rod 401, and the limiting plate 402 to move outward. Because the vertical height of the horizontal center axis of the second guide groove 406 is lower than the vertical height of point c of the first guide groove 404, the first guide rod 405 moves to the lower interior of the first guide groove 404. Because the end of the scraper 409 away from the center of the base 1 is inclined, the limiting plate 402 pushes the inclined edge of the scraper 409, causing the scraper 409 to move along the direction of the groove 407 into the interior of the groove 407. Under the action of the spring 408, The scraper 409 is positioned so that the end face away from the center of the base 1 is in contact with the side of the scraper 409 closest to the base 1. When the limiting plate 402 moves downward, the scraper 409 can clean the side of the scraper 409 closest to the base 1. The motor 502 is then started to move the first guide rod 405 to point a for the next operation. In summary, when the scraper 409 is moved outward to remove the limiting effect on the circuit board and Mylar sheet, the cleaning is completed, reducing stubborn and difficult-to-remove attachments that hinder the precise positioning of components and improving the overall structural stability and electrical reliability of the product.

[0026] By controlling the rotation angle of motor 502, the movement distance of limit plate 402 can be controlled, thereby limiting circuit boards and Mylar sheets of different widths and improving the range of applications.

[0027] Because the limiting plate 402 is cleaned immediately when it leaves the circuit board and Mylar film, the adhesive is still soft at this time, making it easy to clean.

[0028] It should be noted that, in this document, relational terms such as "first" and "second" are used only 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 process, method, article, or apparatus.

[0029] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A pressing device for processing Mylar film, comprising a base (1), a first support plate (2) fixedly connected to one side above the base (1), and a pressing machine (3) fixedly connected to the upper end of the first support plate (2), characterized in that: The base (1) is provided with a scraping mechanism (4) inside, and a pushing mechanism (5) is provided below the base (1); The base (1) has a hole (6) inside. The scraping mechanism (4) includes an elastic telescopic rod (401) disposed inside the hole (6). The upper end of the elastic telescopic rod (401) is fixedly connected to a limiting plate (402). The other side above the base (1) is fixedly connected to a second support plate (403). The second support plate (403) has a first guide groove (404) inside. The first guide groove (404) has a first guide rod (405) fixedly connected to the elastic telescopic rod (401) inside. The first guide groove (404) is connected to a second guide groove (406) at one end near the center of the base (1). The hole (6) is connected to a groove (407) at one end near the center of the base (1). The groove (407) has a spring (408) fixedly connected inside. The spring (408) has a scraper (409) fixedly connected to one end.

2. The pressing device for processing Mylar sheets according to claim 1, characterized in that: The first guide groove (404) has a point a on the outer side away from the base (1), and the first guide groove (404) has a point b on the inner side away from the base (1). The first guide groove (404) has a point c on the inner side close to the base (1). The vertical height of point a of the first guide groove (404) is higher than the position of point b of the first guide groove (404).

3. The pressing device for processing Mylar sheets according to claim 1, characterized in that: The second guide groove (406) has a horizontal straight shape, and the vertical height of the horizontal center axis of the second guide groove (406) is lower than the vertical height of point c of the first guide groove (404).

4. The pressing device for processing Mylar sheets according to claim 1, characterized in that: The inner side of the groove (407) is in contact with the outer side of the scraper (409), and the end of the scraper (409) away from the center of the base (1) is an inclined surface.

5. The pressing device for processing Mylar sheets according to claim 1, characterized in that: The pushing mechanism (5) includes a third support plate (501) fixedly connected to the bottom of the base (1). A motor (502) is fixedly connected to the upper inner side of the third support plate (501). A rotating shaft (503) is fixedly connected to the output end of the motor (502). A rotating disk (504) is fixedly connected to the output end of the rotating shaft (503). A third guide groove (505) is provided inside the rotating disk (504). A second guide rod (506) is provided inside the third guide groove (505). A push rod (507) is fixedly connected to the upper end of the second guide rod (506). A sleeve (508) is fixedly connected to the lower outer side of the base (1). The push rod (507) is nested inside the sleeve (508). The push rod (507) is fixedly connected to the elastic telescopic rod (401).

6. The pressing device for processing Mylar sheets according to claim 5, characterized in that: The third guide groove (505) has an arc shape, and the third guide groove (505) and the second guide rod (506) are fitted with a clearance fit.

7. A pressing device for processing Mylar sheets according to claim 5, characterized in that: The outer side of the sleeve (508) fits against the outer side of the push rod (507), and the external structural shape of the push rod (507) is a cuboid.

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