Film feeding and cutting mechanism for protective film production

Abstract

The utility model belongs to the technical field of protective film production and processing, and particularly relates to a film feeding and cutting mechanism for protective film production, which comprises a hanging roller positioned at one end of a rack, a film feeding component is further arranged on the rack, the film feeding component comprises a lower driving conveying rubber roller, and the lower driving conveying rubber roller is driven by a conveying motor; and the cutting assembly is installed at the other end of the machine frame and comprises a cutter driven by a film cutting air cylinder, and the cutter moves downwards to cut the protective film conveyed to the film cutting base plate. The film cutting device is compact in structure, capable of cutting a film immediately after the film is fed, coherent in overall action and reasonable in design, can effectively prevent the protective film from being stretched or stacked, and ensures the film cutting quality; the lower driving conveying rubber covered roller, the lower unpowered rubber covered roller and the driving round belt are further arranged, and the driving round belt not only plays a transmission role, but also can increase friction force, improve conveying stability and avoid left-right deviation.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the production and processing technical field of protective film, and particularly relates to a protective film production film feeding and cutting mechanism. BACKGROUND

[0002] The protective film can be applied to the following fields according to application ranges: metal product surfaces, coated metal product surfaces, plastic product surfaces, automobile product surfaces, electronic product surfaces, label product surfaces, profile product surfaces and other product surfaces.

[0003] The existing film feeding and cutting mechanism is usually two independent mechanisms, which not only occupies a large space, but also needs to be coordinated during use to ensure the smoothness of the film feeding and cutting process, otherwise the film may be stretched or accumulated, therefore, a protective film production film feeding and cutting mechanism is needed to solve the above problems. UTILITY MODEL CONTENTS

[0004] (1) Technical problem to be solved

[0005] In view of the deficiencies of the prior art, the utility model aims to provide a protective film production film feeding and cutting mechanism, which is designed in an integrated and continuous manner to ensure smooth film feeding and cutting, simple control and compact structure.

[0006] (2) Technical scheme

[0007] In order to solve the above technical problems, the utility model provides a protective film production film feeding and cutting mechanism, which comprises:

[0008] A hanging roller is arranged at one end of the rack, a film feeding assembly is further arranged on the rack, the film feeding assembly comprises a lower driven conveying rubber roller, and the lower driven conveying rubber roller is driven by a conveying motor;

[0009] A cutting assembly is arranged at the other end of the rack, the cutting assembly comprises a cutter driven by a cutting film cylinder, and the cutter cuts the protective film conveyed onto a cutting film base plate by moving downward.

[0010] Further, a circular groove is formed in the lower driven conveying rubber roller, a lower non-powered rubber roller is rotatably arranged on the rack at the rear side of the lower driven conveying rubber roller, and the lower driven conveying rubber roller and the lower non-powered rubber roller are connected through a plurality of driving circular belts.

[0011] Further, the plurality of driving circular belts are equidistantly distributed.

[0012] Further, an upper rubber roller is arranged above the lower driven conveying rubber roller, and lifting cylinders are arranged at both ends of the upper rubber roller.

[0013] Further, a guide roller one and a guide roller two are further arranged on the rack.

[0014] Further, the film cutting cylinder is installed on a bearing frame, the bearing frame is located on the rack, the film cutting cushion plate is located below the bearing frame, a lever swing arm is rotatably installed on the bearing frame, a top end of the lever swing arm is rotatably connected with an output end of the film cutting cylinder, and a bottom end of the lever swing arm is rotatably connected with one end of a horizontal connecting rod, and the horizontal connecting rod is rotatably connected with the lifting plate of the cutter through an inclined connecting rod.

[0015] Further, both ends of the lifting plate are penetrated by guide columns on the rack.

[0016] Further, a rear bottom side of the lifting plate is provided with an elastic pressing plate, a bottom of the elastic pressing plate is lower than a cutting edge of the cutter, and the elastic pressing plate comprises a guide column, a spring and a pressing plate piece.

[0017] Beneficial effects

[0018] Compared with the prior art, the beneficial effects of the utility model lie in that:

[0019] 1. The utility model has compact structure, can cut film immediately after film feeding, has coherent overall action, is reasonable in design, can effectively avoid that the protective film is stretched or accumulated, and guarantees film cutting quality.

[0020] 2. The utility model still is provided with lower active conveying rubber roller, lower unpowered rubber roller and drive round belt, the drive round belt not only plays the transmission effect, but also can increase friction, improves transmission stability, and avoids left and right deviation. DETAILED DESCRIPTION

[0021] Fig. 1 It is the first perspective view of the utility model.

[0022] Fig. 2 It is the second perspective view of the utility model.

[0023] Fig. 3 It is the partial perspective view of the utility model.

[0024] In the above drawing, 1 is a rack, 2 is a hanging roller, 3 is a guide roller one, 4 is a guide roller two, 5 is a lower active conveying rubber roller, 6 is a conveying motor, 7 is a lower unpowered rubber roller, 8 is a drive round belt, 9 is an upper rubber roller, 10 is a lifting cylinder, 11 is a bearing frame, 12 is a film cutting cylinder, 13 is a lever swing arm, 14 is a horizontal connecting rod, 15 is an inclined connecting rod, 16 is a lifting plate, 17 is an elastic pressing plate, 18 is a cutter, and 19 is a film cutting cushion plate. DETAILED DESCRIPTION

[0025] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described, obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0026] Please refer to Figs. 1-3 The present application provides the following embodiments:

[0027] The film cutting mechanism for protective film production comprises a rack 1, a hanging roller 2, a film feeding assembly and a film cutting assembly. The film feeding assembly and the film cutting assembly are both located on the rack 1, and the film cutting can be performed immediately after the film feeding. The structure is compact and stable, occupies small space, and is more practical.

[0028] The hanging roller 2 is located at one end of the rack 1. In the present application, the hanging roller 2 can be used for hanging a protective film roll and can also be used for guiding. When guiding, other material table structures need to be used. The film feeding assembly is further arranged on the rack 1. The film feeding assembly comprises a lower driving conveying rubber roller 5, and the lower driving conveying rubber roller 5 is driven by a conveying motor 6. The cutting assembly is installed at the other end of the rack 1, and the film feeding assembly is located at the front side of the film cutting assembly. The cutting assembly comprises a cutter 18 driven by a film cutting cylinder 12, and the cutter 18 cuts the protective film conveyed onto a film cutting base plate 19 downward.

[0029] Further, a circular groove is formed in the lower driving conveying rubber roller 5. A lower non-powered rubber roller 7 is rotatably arranged on the rack 1 at the rear side of the lower driving conveying rubber roller 5. The lower driving conveying rubber roller 5 and the lower non-powered rubber roller 7 are connected through a plurality of driving circular belts 8. Specifically, the driving circular belts 8 not only play a connecting role, but also form a channel for the protective film to flow, and can also increase the friction force to avoid left and right deviation and improve the conveying stability.

[0030] Further, the plurality of driving circular belts 8 are equidistantly distributed. The equidistant distribution is reasonable in design.

[0031] Further, an upper rubber roller 9 is arranged above the lower driving conveying rubber roller 5. Lifting cylinders 10 are arranged at both ends of the upper rubber roller 9. In combination with the drawings, specifically, two lifting cylinders 10 are arranged and are synchronously controlled to avoid the end of the upper rubber roller 9 being raised to ensure the conveying effect.

[0032] Further, a guide roller one 3 and a guide roller two 4 are further arranged on the rack 1. The guide roller one 3 and the guide roller two 4 are used for guiding to avoid bumping and strengthen protection to ensure smooth feeding.

[0033] Further, the film cutting cylinder 12 is installed on the bearing frame 11, the bearing frame 11 is located on the frame 1, the film cutting cushion plate 19 is located below the bearing frame 11, the bearing frame 11 is rotatably installed with the lever swing arm 13, the top end of the lever swing arm 13 is rotatably connected with the output end of the film cutting cylinder 12, the bottom end of the lever swing arm 13 is rotatably connected with one end of the horizontal connecting rod 14, and the horizontal connecting rod 14 is rotatably connected with the lifting plate 16 of the cutter 18 through the inclined connecting rod 15. The lever swing arm 13 is a lever arm, the top end of the lever swing arm 13 moves clockwise, and the bottom end drives the horizontal connecting rod 14 to move downward. The lever swing arm 13 can increase the length of the force arm, has a lever effect, and improves the cutting efficiency.

[0034] Further, the two ends of the lifting plate 16 are penetrated by the guide columns on the frame 1. Specifically, in combination with the above-mentioned downward movement of the horizontal connecting rod 14, the lifting plate 16 cannot move left and right, and the horizontal connecting rod 14 and the lifting plate 16 are connected through the two-end rotatable inclined connecting rod 15, so that the lifting plate 16 also moves downward in the downward movement process of the horizontal connecting rod 14, and the cutting is realized.

[0035] Further, the bottom rear side of the lifting plate 16 is provided with the elastic pressing plate 17, the bottom of the elastic pressing plate 17 is lower than the blade of the cutter 18, and the elastic pressing plate 17 comprises a guide column, a spring and a pressing plate piece. The elastic pressing plate 17 is a floating pressing plate, which can be pressed before cutting, so as to ensure the cutting effect.

[0036] The above embodiment is a preferred implementation scheme of the present application, in addition to this, the present application can be realized in other ways, and any obvious replacement without departing from the technical scheme concept is within the protection scope of the present application.

Claims

1. A film feeding and cutting mechanism for protective film production, characterized by comprising: The utility model relates to a kind of film cutting machine, including: Hanging roller (2) located one end of rack (1), the film feeding assembly is further provided on the rack (1), and the film feeding assembly includes lower active conveying rubber roller (5), and the lower active conveying rubber roller (5) is driven by conveying motor (6); Cutting assembly is installed in the other end of the rack (1), and the cutting assembly includes cutter (18) driven by cutting film cylinder (12), and the cutter (18) is cut down and cut the protective film conveyed to cutting film backing plate (19).

2. The film feeding and cutting mechanism for protective film production according to claim 1, wherein Circular groove is opened in the lower active conveying rubber roller (5), and lower passive rubber roller (7) is rotated on the rack (1) behind the lower active conveying rubber roller (5), and the lower active conveying rubber roller (5) and the lower passive rubber roller (7) are connected by a plurality of drive circular belts (8).

3. The film feeding and cutting mechanism for protective film production according to claim 2, wherein A plurality of drive circular belts (8) are equidistantly distributed.

4. The film feeding and cutting mechanism for protective film production according to claim 3, wherein Upper rubber roller (9) is provided above the lower active conveying rubber roller (5), and lifting cylinder (10) is provided at both ends of the upper rubber roller (9).

5. The film feeding and cutting mechanism for protective film production according to claim 1, wherein The rack (1) is further provided with guide roller one (3) and guide roller two (4).

6. The film feeding and cutting mechanism for protective film production according to claim 1, wherein The cutting film cylinder (12) is installed on bearing frame (11), the bearing frame (11) is located on the rack (1), the cutting film backing plate (19) is located below the bearing frame (11), the bearing frame (11) is rotatably installed with lever swing arm (13), the top end of the lever swing arm (13) is rotatably connected with the output end of the cutting film cylinder (12), the bottom end of the lever swing arm (13) is rotatably connected with one end of horizontal connecting rod (14), and the horizontal connecting rod (14) is rotatably connected with lifting plate (16) of cutter (18) by inclined connecting rod (15).

7. The film feeding and cutting mechanism for protective film production according to claim 6, wherein Both ends of the lifting plate (16) are penetrated by guide column on the rack (1).

8. The film feeding and cutting mechanism for protective film production according to claim 7, wherein The bottom rear side of the lifting plate (16) is provided with elastic pressing plate (17), and the bottom of the elastic pressing plate (17) is lower than the blade edge of the cutter (18), and the elastic pressing plate (17) includes guide column, spring and pressing plate piece.

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