Feeding mechanism for cover film

Abstract

A feeding mechanism for a cover film comprises a vertical plate (100), an unwinding roll (200), a winding roll (300), a first material distributing mechanism (400), a second material distributing mechanism (500) and a first motor (600), the second material distributing mechanism (500) comprises a first material guide roller (501) and a third material guide roller (503) which are sequentially arranged in the moving direction of a base material, and a first dust sticking paper roller (505) is arranged on one side of the third material guide roller (503). The second material distributing mechanism is arranged between the material discharging roll and the material receiving roll, the second material distributing mechanism comprises the first material guide roll and the third material guide roll, the first dust sticking paper roll is arranged on one side of the third material guide roll, in the base material rolling process, the first material guide roll ensures that the base material straightly advances along a preset path, the problems of wrinkles, deviation or distortion and the like are avoided, and the service life of the base material is prolonged. And the first dust-sticking paper roller and the third guide roller are matched to remove dust, oil stains or other pollutants on the base material, so that the subsequent use performance of the base material is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of covering film processing, in particular to a feeding mechanism for covering film. Background Art

[0002] Flexible printed circuit board (FPC) is abbreviated as "soft board", commonly known as FPC in the industry. It is a printed circuit board made of flexible insulating substrate (mainly polyimide or polyester film), which has many advantages that rigid printed circuit boards do not have. For example, it can be bent, wound and folded freely. The use of FPC can greatly reduce the size of electronic products and meet the needs of electronic products to develop in the direction of high density, miniaturization and high reliability. Therefore, FPC has been widely used in aerospace, military, mobile communications, laptops, computing equipment peripherals, PDAs, digital cameras and other fields or products.

[0003] In the prior art, a Chinese utility model patent with the announcement number CN206030538U discloses an FPC cover film laminating device, including a loading mechanism; a feeding mechanism; a cover film feeding mechanism, including a feeding roll loaded with the paper roll and a receiving roll that rotates with the feeding roll and reels the substrate from which the cover film has been peeled off; a cover film stripping auxiliary mechanism and a cover film stripping laminating mechanism. The cover film feeding mechanism only performs simple processing on the substrate, and does not respond to the pollution and deformation problems that may exist in the collection process of the substrate, which affects the subsequent use of the substrate and cannot meet the increasingly high requirements of the cover film feeding mechanism of modern industry and production teams.

[0004] Therefore, the prior art needs to be improved and enhanced. Utility Model Content

[0005] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a feeding structure for covering film which takes appropriate collection measures and improves the utilization rate of the substrate.

[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0007] A feeding mechanism for covering film comprises a vertical plate, a material unwinding roll arranged on one side of the vertical plate, a material receiving roll, a first material dividing mechanism matched with the material unwinding roll, a second material dividing mechanism arranged between the material unwinding roll and the material receiving roll, and a first motor arranged on the other side of the vertical plate, the second material dividing mechanism comprises a first material guide roller and a third material guide roller arranged in sequence along the direction of the substrate, a first dust-sticking paper roller is arranged on one side of the third material guide roller, wherein the first motor drives the material receiving roll.

[0008] As a further solution of the utility model, the first material distribution structure includes a fifth material guide roller, a sixth material guide roller, a seventh material guide roller and an eighth material guide roller which are arranged in sequence along the direction of the covering film. The fifth material guide roller is arranged in parallel with the sixth material guide roller, and the seventh material guide roller is arranged in parallel with the eighth material guide roller.

[0009] As a further solution of the utility model, the fifth material guide roller and the sixth material guide roller are both rotatably mounted on a first roller seat, and the first roller seat is driven to rotate by a second motor.

[0010] As a further solution of the utility model, the first roller seat and the second motor are connected by a ball head.

[0011] As a further solution of the utility model, a pressing roller is arranged between the sixth material guide roller and the seventh material guide roller, and the pressing roller is rotatably mounted on a pressing plate, and the pressing plate is mounted on a second roller seat, wherein the seventh material guide roller and the eighth material guide roller are both rotatably mounted on the second roller seat.

[0012] As a further solution of the utility model, an infrared sensor for detecting the covering film is arranged below the pressing roller, and the infrared sensor is installed on the vertical plate.

[0013] As a further solution of the utility model, an auxiliary wheel is arranged between the first guide roller and the unwinding roll, and the auxiliary wheel is rotatably mounted on a mounting rod, and the mounting rod is slidably mounted in a sliding groove of a mounting plate and can be restricted in the sliding groove by bolts, and the mounting plate is mounted on the vertical plate.

[0014] As a further solution of the utility model, a second material guide roller is arranged between the first material guide roller and the third material guide roller.

[0015] As a further solution of the utility model, a fourth material guide roller is arranged between the third material guide roller and the material collection roll, a second dust-sticky paper roller is arranged on one side of the fourth material guide roller, and the fourth material guide roller is driven by the first motor.

[0016] As a further solution of the utility model, the second sticky paper roller is rotatably mounted on a third roller seat, the third roller seat is rotatably mounted on a mounting seat, a butterfly nut is threaded on the mounting seat, the butterfly nut abuts against the third roller seat, and is used to adjust the distance between the second sticky paper roller and the fourth guide roller.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] Due to the adoption of the above-mentioned structural design, that is, a second material dividing mechanism is arranged between the unwinding roll and the winding roll, the second material dividing mechanism includes a first material guide roller and a third material guide roller, and a first dust-sticky paper roller is arranged on one side of the third material guide roller. During the winding process of the substrate, the first material guide roller ensures that the substrate moves straight along a predetermined path to avoid problems such as wrinkles, deviations or distortions. The first dust-sticky paper roller cooperates with the third material guide roller to remove dust, oil or other pollutants on the substrate to ensure its subsequent performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Attached Figure 1 It is a schematic diagram of the structure of an embodiment of the utility model;

[0020] Attached Figure 2 Another structural schematic diagram of an embodiment of the utility model;

[0021] Attached Figure 3 It is a side view of an embodiment of the utility model.

[0022] The numbers in the figure are:

[0023] 100-vertical plate, 200-unwinding reel, 300-rewinding reel, 400-first material distributing mechanism, 500-second material distributing mechanism, 600-first motor;

[0024] 501-first guide roller, 502-second guide roller, 503-third guide roller, 504-fourth guide roller, 505-first sticky paper roller, 506-second sticky paper roller, 507-auxiliary wheel, 508-mounting rod, 509-mounting plate, 510-sliding groove, 511-third roller seat, 512-mounting seat, 513-butterfly nut;

[0025] 401 - fifth material guide roller, 402 - sixth material guide roller, 403 - seventh material guide roller, 404 - eighth material guide roller, 405 - first roller seat, 406 - second motor, 407 - pressing roller, 408 - pressing plate, 409 - second roller seat, 410 - infrared sensor. DETAILED DESCRIPTION

[0026] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0027] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0028] In the description of the present utility model, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed" etc. are understood to exclude the number itself, and "above", "below", "within" etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0029] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0030] Example:

[0031] like Figure 1-3 As shown, the present application provides a feeding mechanism for a covering film, comprising a vertical plate 100, a feeding roll 200 arranged on one side of the vertical plate 100 and rotatably mounted on the vertical plate 100, a receiving roll 300, a first material dividing mechanism 400 cooperating with the feeding roll 200, a second material dividing mechanism 500 arranged between the feeding roll 200 and the receiving roll 300, and a first motor 600 arranged on the other side of the vertical plate 100, the second material dividing mechanism 500 comprises a first material guide roller 501 and a third material guide roller 503 arranged in sequence along the direction of the substrate, a first dust-sticking paper roller 505 is arranged on one side of the third material guide roller 503, wherein the first motor 600 drives the receiving roll 300. Through the above-mentioned structural design, the release paper is wound on the unwinding roll 200, the covering film of the release paper is divided by the first dividing mechanism 400, and the base material of the release paper is divided by the second dividing mechanism 500. During the winding process of the base material, the first guide roller 501 ensures that the base material moves straight along a predetermined path to avoid problems such as wrinkles, deviations or distortions. The first dust-sticking paper roller 505 cooperates with the third guide roller 503 to remove dust, oil or other pollutants on the base material to ensure its subsequent performance.

[0032] In order to ensure that the first sticky paper roller 505 is close enough to the substrate to effectively absorb dust and impurities, so that it always keeps close to the third guide roller 503, the first sticky paper roller is rotatably set on an eccentric cam, and the eccentric cam includes a large-radius outer circumference part with a large radius and a small-radius outer circumference part with a small radius. The large-radius outer circumference part is rotatably installed on the vertical plate, and the first sticky paper roller is specifically rotatably installed on the small-radius outer circumference part. A tension spring is provided between the connection between the large-radius outer circumference part and the small-radius outer circumference part and a connecting column. The connecting column is provided on the side of the third guide roller away from the first sticky paper roller. Under the action of the tension spring, the first sticky paper roller can always keep close to the third guide roller.

[0033] Specifically, the first material distribution structure 400 includes a fifth material guide roller 401, a sixth material guide roller 402, a seventh material guide roller 403 and an eighth material guide roller 404, which are arranged in sequence along the direction of the covering film. The fifth material guide roller 401 and the sixth material guide roller 402 are arranged in parallel and are both rotatably mounted on a first roller seat 405. The first roller seat is rotatably mounted on the top of a side plate, and the side plate is vertically arranged on the vertical plate 100. A motor mounting rod is arranged at the bottom end of the side plate, and a second motor 406 is hinged to the motor mounting rod. The second motor 406 and the first roller seat 405 are connected by a ball head, that is, the output shaft of the second motor is connected to a ball head connecting rod, and the ball head connecting rod is connected to a ball head installed under the first roller seat. The first roller seat 405 rotates under the action of the second motor 406 to adjust the fifth material guide roller, the sixth material guide roller and the covering film to maintain sufficient pressure so that the covering film moves straight along a predetermined path.

[0034] Specifically, the seventh material guide roller 403 and the eighth material guide roller 404 are arranged in parallel, and the seventh material guide roller 403 and the eighth material guide roller 404 are rotatably installed on the second roller seat 409, and the second roller seat includes two roller seat plates arranged in parallel, one of which is fixed on a support, and the support is fixed on the vertical plate; a pressing roller 407 is arranged between the sixth material guide roller 402 and the seventh material guide roller 403, and the pressing roller 407 is rotatably installed on a pressing plate 408, and the pressing plate 408 is installed on a second roller seat 409, and the pressing plate maintains sufficient pressure on the covering film, and the seventh material guide roller and the eighth material guide roller allow the covering film to continue to move straight along a predetermined path, so as to facilitate and accurately allow the covering film to enter the next process.

[0035] As a preferred embodiment of this embodiment, an infrared sensor 410 for detecting the covering film is disposed below the pressing roller 407 . The infrared sensor 410 is mounted on a sensor bracket which is mounted on the vertical plate 100 .

[0036] Specifically, an auxiliary wheel 507 is arranged between the first guide roller 501 and the unwinding roll 200. The auxiliary wheel 507 is rotatably mounted on a mounting rod 508. The mounting rod 508 is slidably mounted in a sliding groove 510 of a mounting plate 509 and can be restricted in the sliding groove 510 by bolts. The mounting plate 509 is mounted on the vertical plate 100. The position of the mounting rod 508 in the sliding groove 510 can be adjusted by adjusting the bolts, thereby adjusting the position of the auxiliary wheel 507, and adjusting the tension of the substrate through the auxiliary wheel.

[0037] Specifically, a second guide roller 502 is disposed between the first guide roller 501 and the third guide roller 502 , and the second guide roller 502 further ensures that the substrate moves straight along a predetermined path to avoid wrinkles, deviations or twists.

[0038] Specifically, a fourth material guide roller 504 is arranged between the third material guide roller 503 and the material receiving roll 300, and a second dust sticky paper roller 506 is arranged on one side of the fourth material guide roller 504. The fourth material guide roller 504 is driven by the first motor 600, and the output shaft of the first motor 600 is connected to the rotating shaft through a coupling, and the fourth material guide roller is arranged on the rotating shaft, and a driving wheel is sleeved on the rotating shaft, and the driving wheel is connected to the driven wheel on the rotating shaft of the material receiving roll through a belt; the second dust sticky paper roller 506 is rotatably mounted on a third roller seat 511, and the third roller seat 511 is rotatably mounted on a mounting seat 512, and the mounting seat is fixed on the vertical plate 100, and the mounting seat includes a U-shaped frame and a self-propelled roller arranged on both sides of the U-shaped frame. The third roller seat is rotatably mounted on the rotating shaft between the ends. A connecting block is arranged below the U-shaped frame. A butterfly nut 513 is screwed on the connecting block. The butterfly nut 513 is in contact with the third roller seat 511 and is used to adjust the distance between the second sticky paper roller 506 and the fourth guide roller 504. The second sticky paper roller cooperates with the fourth guide roller to further remove dust, oil or other pollutants on the substrate, thereby ensuring the cleanliness of the substrate and not affecting its subsequent performance. The butterfly nut 513 is used to adjust the distance between the second sticky paper roller and the fourth guide roller, thereby controlling the tension of the substrate on the basis of cleaning, ensuring that the tension is evenly distributed, and avoiding relaxation or excessive stretching of the substrate.

[0039] In summary, the present invention solves the deficiencies in the prior art through the above-mentioned structural design, and has the characteristics of reasonable structure, high substrate utilization rate, strong practicality, etc.

[0040] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A feeding mechanism for covering film, characterized in that: The invention comprises a vertical plate (100), a material unwinding roll (200) arranged on one side of the vertical plate (100), a material receiving roll (300), a first material dividing mechanism (400) matched with the material unwinding roll (200), a second material dividing mechanism (500) arranged between the material unwinding roll (200) and the material receiving roll (300), and a first motor (600) arranged on the other side of the vertical plate (100), wherein the second material dividing mechanism (500) comprises a first material guide roller (501) and a third material guide roller (503) arranged in sequence along the direction of the substrate, a first dust-sticking paper roller (505) is arranged on one side of the third material guide roller (503), wherein the first motor (600) drives the material receiving roll (300).

2. The feeding mechanism for covering film according to claim 1, characterized in that: The first material distribution mechanism (400) comprises a fifth material guide roller (401), a sixth material guide roller (402), a seventh material guide roller (403) and an eighth material guide roller (404) which are arranged in sequence along the direction of the covering film; the fifth material guide roller (401) and the sixth material guide roller (402) are arranged in parallel, and the seventh material guide roller (403) and the eighth material guide roller (404) are arranged in parallel.

3. The feeding mechanism for covering film according to claim 2, characterized in that: The fifth material guide roller (401) and the sixth material guide roller (402) are both rotatably mounted on a first roller seat (405), and the first roller seat (405) rotates under the action of a second motor (406).

4. The feeding mechanism for covering film according to claim 3, characterized in that: The first roller seat (405) and the second motor (406) are connected via a ball head.

5. The feeding mechanism for covering film according to claim 4, characterized in that: A pressing roller (407) is arranged between the sixth material guide roller (402) and the seventh material guide roller (403), and the pressing roller (407) is rotatably mounted on a pressing plate (408), and the pressing plate (408) is mounted on a second roller seat (409), wherein the seventh material guide roller (403) and the eighth material guide roller (404) are rotatably mounted on the second roller seat (409).

6. The feeding mechanism for covering film according to claim 5, characterized in that: An infrared sensor (410) for detecting the covering film is arranged below the pressing roller (407), and the infrared sensor (410) is mounted on the vertical plate (100).

7. The feeding mechanism for covering film according to claim 6, characterized in that: An auxiliary wheel (507) is arranged between the first guide roller (501) and the unwinding roll (200), and the auxiliary wheel (507) is rotatably mounted on a mounting rod (508). The mounting rod (508) is slidably mounted in a sliding groove (510) of a mounting plate (509) and can be restricted in the sliding groove (510) by bolts. The mounting plate (509) is mounted on the vertical plate (100).

8. The feeding mechanism for covering film according to claim 7, characterized in that: A second material guide roller (502) is arranged between the first material guide roller (501) and the third material guide roller (503).

9. The feeding mechanism for covering film according to claim 8, characterized in that: A fourth material guide roller (504) is arranged between the third material guide roller (503) and the material collection roll (300), a second dust-sticking paper roller (506) is arranged on one side of the fourth material guide roller (504), and the fourth material guide roller (504) is driven by the first motor (600).

10. The feeding mechanism for covering film according to claim 9, characterized in that: The second sticky paper roller (506) is rotatably mounted on a third roller seat (511), and the third roller seat (511) is rotatably mounted on a mounting seat (512). A butterfly nut (513) is threaded on the mounting seat (512), and the butterfly nut (513) is in contact with the third roller seat (511) and is used to adjust the distance between the second sticky paper roller (506) and the fourth guide roller (504).

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