Anti-scraping air floating type folding mechanism

Abstract

The utility model discloses an anti-scraping air floating type folding mechanism which comprises a guide roller part and folding parts arranged at the two ends of the guide roller part. The folding part comprises an unwinding position and a folding position; the unwinding position is arranged at the end part of the guide roller part; the folding position is connected with the unwinding position and comprises a V-shaped frame and a support which is connected with the V-shaped frame and the unwinding position; the V-shaped frame is a seamless steel pipe with a built-in air channel, an air port communicated with the air channel is formed in the V-shaped frame, an air valve communicated with the air channel is arranged at the end of the V-shaped frame, and the air valve is externally connected with an air source. According to the utility model, the air port is formed in the V-shaped frame, and a film material floats on the V-shaped frame through high-pressure air ejected from the air port, so that the friction between the film material and the V-shaped frame is reduced, and the film material is prevented from being scratched.

Description

TECHNICAL FIELD

[0001] The utility model relates to a field of folding mechanism, specifically is a kind of anti-scratch air floatation folding mechanism. BACKGROUND

[0002] Bag making machine is the machine of making various plastic packaging bag or other material packaging bag, its processing range is the packaging bag of various size thick and thin different specifications plastic or other materials, generally speaking, plastic packaging bag is main product.

[0003] When bag making machine works, film material needs to be folded by folding frame, for example, 1200mm wide film material needs to be folded into 600mm wide double-layer film after passing through folding frame, and when film material is sliding on folding frame, friction is generated, which causes film surface damage and wire drawing, resulting in poor product quality. UTILITY MODEL CONTENT

[0004] The utility model aims to provide an anti-scratch air floatation folding mechanism to solve the above problems existing in prior art.

[0005] Technical scheme: an anti-scratch air floatation folding mechanism, comprising:

[0006] Guide roller part, and folding part arranged at both ends of the guide roller part;

[0007] The folding part comprises:

[0008] Unwinding position arranged at the end of the guide roller part;

[0009] Folding position connected with the unwinding position, comprising V-shaped frame, and support connected with the V-shaped frame and the unwinding position;

[0010] The V-shaped frame is a seamless steel pipe with built-in air duct, the V-shaped frame is provided with air port communicated with the air duct, the air duct at the intersection of the V-shaped frame is in occlusion, the end of the V-shaped frame is provided with air valve communicated with the air duct, and the air valve is connected with air source.

[0011] The utility model opens air port on V-shaped frame, high-pressure gas is sprayed through air port, film material is air floated on V-shaped frame, friction between film material and V-shaped frame is reduced, and film material is prevented from being scratched.

[0012] In further embodiment, the unwinding position comprises shell, unwinding roller, transmission roller, tensioning frame and traction frame arranged on the shell.

[0013] In further embodiment, the transmission roller is designed in multiple groups;

[0014] The tensioning frame is hinged with the shell, and the tensioning frame is provided with multiple groups of tensioning rollers;

[0015] A tension spring is arranged between the tension frame and the shell;

[0016] A traction roller is arranged on the traction frame, the traction frame is hinged with the shell, and a traction spring is arranged between the traction frame and the shell.

[0017] A film material is arranged on the unwinding roller, the film material passes through the transmission roller, the tension roller and the traction roller, and is folded by the V-shaped frame;

[0018] In a further embodiment, the guide roller part comprises an upper guide roller and a lower guide roller connected with the shell, and the upper guide roller and the lower guide roller have a predetermined gap therebetween.

[0019] In a further embodiment, the bracket and the V-shaped frame are connected with the shell.

[0020] Beneficial effects: The utility model discloses a kind of scratch-proof air float type folding mechanisms, the utility model is opened air port on V-shaped frame, by the high-pressure gas of air port spout, make film material air float on V-shaped frame, reduce the friction of film material and V-shaped frame, avoid film material scratch. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is the structure schematic diagram of the utility model.

[0022] Figure 2 It is the folding part structure schematic diagram of the utility model.

[0023] Figure 3 It is the unwinding position schematic diagram of the utility model.

[0024] Figure 4 It is the folding position schematic diagram of the utility model.

[0025] Figure 5 It is the guide roller part schematic diagram of the utility model.

[0026] Reference signs are:

[0027] 1, guide roller part; 11, lower guide roller; 12, upper guide roller;

[0028] 2, folding part;

[0029] 21, unwinding position; 211, shell; 212, unwinding roller; 213, tension frame; 213A, tension roller; 214, transmission roller; 215, traction frame; 216, film material;

[0030] 22, folding position; 221, V-shaped frame; 222, air port; 223, bracket. DETAILED DESCRIPTION

[0031] The application relates to a scratch-proof air-floating folding mechanism, which is explained in detail below through a specific embodiment.

[0032] A scratch-proof air-floating folding mechanism comprises:

[0033] A guide roller part 1 and folding parts 2 arranged at both ends of the guide roller part 1.

[0034] The folding parts 2 comprise:

[0035] A film unwinding position 21 is arranged at the end of the guide roller part 1.

[0036] A folding position 22 is connected with the film unwinding position 21 and comprises a V-shaped frame 221 and a support 223 connected with the V-shaped frame 221 and the film unwinding position 21.

[0037] The V-shaped frame 221 is a seamless steel pipe with an air channel, the V-shaped frame 221 is provided with an air port 222 in communication with the air channel, the air channel at the intersection of the V-shaped frame 221 is in an occluded state, the end of the V-shaped frame 221 is provided with an air valve in communication with the air channel, and the air valve is connected with an air source.

[0038] The intersection of the V-shaped frame 221 is in an occluded state, so that interference between the two air channels is avoided.

[0039] The air port 222 is arranged on the V-shaped frame 221, high-pressure gas is sprayed through the air port 222, the film material 216 is air-floated on the V-shaped frame 221, the friction between the film material 216 and the V-shaped frame 221 is reduced, and the film material 216 is prevented from being scratched.

[0040] The film unwinding position 21 comprises a shell 211, a film unwinding roller 212, a transmission roller 214, a tensioning frame 213 and a traction frame 215 arranged on the shell 211.

[0041] The transmission roller 214 is designed in multiple groups.

[0042] The tensioning frame 213 is hinged to the shell 211, and a plurality of tensioning rollers 213A are arranged on the tensioning frame 213.

[0043] A tensioning spring is arranged between the tensioning frame 213 and the shell 211.

[0044] A traction roller is arranged on the traction frame 215, the traction frame 215 is hinged to the shell 211, and a traction spring is arranged between the traction frame 215 and the shell 211.

[0045] The film material 216 is arranged on the film unwinding roller 212, the film material 216 passes through the transmission roller 214, the tensioning roller 213A and the traction roller, and is folded through the V-shaped frame 221.

[0046] The guide roller part 1 comprises an upper guide roller 12 and a lower guide roller 11 connected with the shell 211, and the upper guide roller 12 and the lower guide roller 11 have a predetermined gap therebetween.

[0047] The bracket 223 and the V-shaped frame 221 are connected with the shell 211.

[0048] Working principle description: when working, the film material 216 passes through the unwinding roller 212, the transmission roller 214, the tensioning roller 213A, the traction roller, enters the V-shaped frame 221, enters the gap between the upper guide roller 12 and the lower guide roller 11, and enters the subsequent work station;

[0049] When the film material 216 enters the V-shaped frame 221, high-pressure gas is injected into the V-shaped frame 221, the gas is discharged from the gas port 222, the film material 216 is air-floated on the V-shaped frame 221, the contact between the film material 216 and the V-shaped frame 221 is reduced, and the film material 216 is reduced.

[0050] When the film material 216 is folded, the film passes through the opening of the V-shaped frame 221, enters the intersection point of the V-shaped frame 221, and is folded under the action of the intersection point in the movement state.

[0051] The preferred embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the specific details in the above embodiments, and various equivalent transformations can be made to the technical scheme of the utility model within the technical concept of the utility model, and these equivalent transformations all belong to the protection scope of the utility model.

Claims

1. A scratch-proof air-floating folding mechanism, comprising: a guide roller part (1) and a folding part (2) arranged at both ends of the guide roller part (1); characterized in that the folding part (2) comprises: an unwinding position (21) arranged at the end of the guide roller part (1); a folding position (22) connected with the unwinding position (21) and comprising a V-shaped frame (221) and a support (223) connected with the V-shaped frame (221) and the unwinding position (21); the V-shaped frame (221) is a seamless steel pipe with an air channel inside, the V-shaped frame (221) is provided with an air port (222) in communication with the air channel, the air channel at the intersection of the V-shaped frame (221) is in an occluded state, the end of the V-shaped frame (221) is provided with an air valve in communication with the air channel, and the air valve is connected with an air source.

2. A scratch-proof air-floating folding mechanism according to claim 1, characterized in that: the unwinding position (21) comprises a housing (211), an unwinding roller (212), a transmission roller (214), a tensioning frame (213) and a traction frame (215) arranged on the housing (211).

3. A scratch-proof air-floating folding mechanism according to claim 2, characterized in that: the transmission roller (214) is designed in multiple groups; the tensioning frame (213) is hinged with the housing (211), and the tensioning frame (213) is provided with multiple groups of tensioning rollers (213A); a tensioning spring is arranged between the tensioning frame (213) and the housing (211); the traction frame (215) is provided with a traction roller, the traction frame (215) is hinged with the housing (211), and a traction spring is arranged between the traction frame (215) and the housing (211).

4. A scratch-proof air-floating folding mechanism according to claim 2, characterized in that: the guide roller part (1) comprises an upper guide roller (12) and a lower guide roller (11) connected with the housing (211), and the upper guide roller (12) and the lower guide roller (11) have a predetermined gap therebetween.

5. A scratch-proof air-floating folding mechanism according to claim 1, characterized in that: the support (223) and the V-shaped frame (221) are connected with the housing (211).

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