Plastic film folding machine

Abstract

The utility model discloses a plastic film folding machine which comprises a base, vertical plates are arranged on the upper end face of the base and located on the front side and the rear side, a conveying roller is rotationally arranged between the two vertical plates, a shell is arranged on the upper end face of the base and located on one sides of the vertical plates, and a fixing plate is arranged on the inner wall of the shell and located in the middle. The device comprises a shell, a fixing plate is arranged in the shell, lead screws are rotatably arranged on the two sides of the fixing plate, motors are arranged at the two ends of the shell, the output ends of the motors are fixedly connected with the lead screws, adjusting blocks are slidably arranged in the shell and located on the two sides of the fixing plate, the lead screws are in threaded connection with the adjusting blocks, and clamping plates are arranged on the upper end faces of the adjusting blocks. And rotating rollers are rotationally arranged on the inner walls of the clamping plates correspondingly, so that a user can rotate a lead screw by controlling a motor, at the moment, the lead screw can drive an adjusting block and the clamping plates to move so as to fold the plastic film, and by arranging the rotating rollers, the plastic film can be protected and prevented from being scratched.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic films, and more specifically, to a plastic film folding machine. Background Art

[0002] Plastic film is a film made of polyvinyl chloride, polyethylene, polypropylene, polystyrene and other resins, used for packaging and as a coating layer. Plastic packaging and plastic packaging products occupy an increasingly larger share in the market, especially composite plastic flexible packaging, which has been widely used in food, medicine, chemical and other fields. When processing plastic bags, a folding machine is needed to fold the plastic film in half, but most traditional folding machines use an inverted triangle die base to fold the plastic film in half. The sharp corners on the inverted triangle die base can easily puncture the plastic film, which will affect the product quality and needs to be improved; and there is no mechanism to press the plastic film, which makes the plastic film prone to unevenness before folding, affecting the folding effect later. Summary of the invention

[0003] In view of the problems existing in the prior art, the utility model provides a plastic film folding machine to solve the technical problem that most of the traditional folding machines mentioned in the background technology use an inverted triangle mold base to fold the plastic film, and the sharp corners on the inverted triangle mold base can easily puncture the plastic film, which will affect the product quality and needs to be improved.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a plastic film folding machine comprises a base, an upper end surface of the base and both sides thereof are provided with vertical plates, a conveying roller is rotatably provided at the middle position of the two vertical plates, two groups of the conveying rollers are arranged linearly, a shell is provided at the upper end surface of the base and at one side of the vertical plate, a fixed plate is provided on the inner wall of the shell and at the middle position, screws are rotatably provided on both sides of the fixed plate, motors are provided at both ends of the shell, output ends of the motors are fixedly connected to the screws, adjusting blocks are slidably provided inside the shell and at both sides of the fixed plate, the screws are threadedly connected to the adjusting blocks, clamps are provided on the upper end surfaces of the adjusting blocks, rotating rollers are rotatably provided on the inner walls of the clamps, a top plate is provided on the upper end surface of the vertical plate and at one side, and a flattening device is provided on the top plate.

[0005] The utility model is further configured as follows: the flattening device includes a threaded rod, a threaded hole is provided on the upper end surface of the top plate, the threaded rod is threadedly installed with the threaded hole, the upper end of the threaded rod passes through the threaded hole and is fixed with a hand wheel, and a lifting plate is rotatably provided at the lower end, and sliders are provided on the lower end surface of the lifting plate and on both sides, and sliding holes are correspondingly provided on the outer wall of the vertical plate, and the sliders are slidably installed with the sliding holes, and a pressing roller is rotatably provided at the middle position of the two sliders to facilitate flattening the plastic film.

[0006] The utility model is further configured such that a bracket is fixedly provided on the upper end surface of the vertical plate and located on the other side, a first electric push rod is provided on the upper end surface of the bracket, an output end of the first electric push rod passes through the bracket and is provided with an auxiliary plate to facilitate guiding the plastic film.

[0007] The utility model is further configured that second electric push rods are provided on both sides of the bracket, the output ends of the second electric push rods pass through the bracket and are provided with a movable frame, and auxiliary rollers are rotatably provided inside the movable frame to facilitate pressing the two sides of the folded plastic film.

[0008] The utility model is further configured such that square holes are provided on both sides of the vertical plate, a plurality of the square holes are provided and are arranged linearly, a fixed shaft is provided inside the square holes, and a guide wheel is rotatably provided on the fixed shaft to facilitate guiding the plastic film.

[0009] The utility model is further configured that strip holes are opened on both sides of the outer wall of the shell, and strip blocks are provided on both sides of the moving block. The strip blocks are slidably installed with the strip holes to facilitate guiding the moving direction of the moving block.

[0010] The utility model is further configured that external connection holes are provided on the upper end surface of the base and at four corners, so as to facilitate fixing the device to the ground.

[0011] Compared with the prior art, the utility model provides a plastic film folding machine, which has the following beneficial effects:

[0012] By setting up a shell, a fixed plate, a screw, a motor, an adjustment block, a clamp and a rotating roller, the user can control the motor to rotate the screw, and the screw will drive the adjustment block and the clamp to move to fold the plastic film in half, and by setting up a rotating roller, the plastic film can be protected to prevent scratches.

[0013] By arranging a top plate, a threaded rod, a threaded hole, a hand wheel, a lifting plate, a slider, a sliding hole and a clamping roller, the user can rotate the threaded rod by turning the hand wheel. At this time, the threaded rod will drive the lifting plate and the clamping roller to move, so as to clamp the plastic film on the conveying roller to prevent wrinkles from occurring later. In addition, by arranging a slider and a sliding hole, the moving direction of the clamping roller can be guided, which is convenient for use.

[0014] By setting a bracket, a first electric push rod, an auxiliary plate, a second electric push rod, a movable frame, and an auxiliary roller, a user can control the first electric push rod to make the lower end of the auxiliary plate contact with the plastic film to guide the plastic film, and then control the second electric push rod to move the movable frame and the auxiliary roller to contact the plastic film, so as to achieve a better folding effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is an overall schematic diagram of a plastic film folding machine when it is not in use;

[0016] Figure 2 It is a schematic diagram of the installation position of the top plate, threaded rod, hand wheel, lifting plate, slider and pressure roller;

[0017] Figure 3 It is a schematic diagram of the positions of the clamping plate, rotating roller and strip block on the adjusting block;

[0018] Figure 4 The figure is a schematic diagram of the installation of the hand wheel, lifting plate, slider and pressure roller;

[0019] Figure 5 Schematic diagram of the position of the fixing plate and the strip holes on the shell.

[0020] In the figure: 1. base; 2. vertical plate; 3. conveying roller; 4. shell; 5. fixed plate; 6. lead screw; 7. motor; 8. adjusting block; 9. clamping plate; 10. rotating roller; 11. top plate; 12. threaded rod; 13. threaded hole; 14. hand wheel; 15. lifting plate; 16. slider; 17. sliding hole; 18. clamping roller; 19. bracket; 20. first electric push rod; 21. auxiliary plate; 22. second electric push rod; 23. moving frame; 24. auxiliary roller; 25. square hole; 26. fixed shaft; 27. guide wheel; 28. strip hole; 29. ​​strip block; 30. external hole. DETAILED DESCRIPTION

[0021] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0022] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meanings as commonly understood by ordinary technicians in the technical field to which this application belongs.

[0023] In the present invention, unless otherwise specified, directions such as "up" and "down" are usually used in reference to the directions shown in the drawings, or in reference to the vertical, perpendicular or gravity direction; similarly, for ease of understanding and description, "left" and "right" are usually used in reference to the left and right shown in the drawings; "inside" and "outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned directions are not used to limit the present invention.

[0024] See also Figure 1-5, a plastic film folding machine, comprising a base 1, an upper end surface of the base 1 and both sides thereof are provided with upright plates 2, a conveying roller 3 is rotatably provided at the middle position of the two upright plates 2, and two groups of conveying rollers 3 are arranged linearly, a shell 4 is provided on the upper end surface of the base 1 and on one side of the upright plate 2, a fixing plate 5 is provided on the inner wall of the shell 4 and in the middle position, both sides of the fixing plate 5 are rotatably provided with lead screws 6, both ends of the shell 4 are provided with motors 7, the output ends of the motor 7 are fixedly connected to the lead screws 6, the inside of the shell 4 and both sides of the fixing plate 5 are slidably provided with adjusting blocks 8, the lead screws 6 are threadedly connected to the adjusting blocks 8, a clamping plate 9 is provided on the upper end surface of the adjusting block 8, a rotating roller 10 is rotatably provided on the inner wall of the clamping plate 9, a top plate 11 is provided on the upper end surface of the upright plate 2 and on one side, a flattening device is provided on the top plate 11, strip holes 28 are opened on the outer wall of the shell 4 and on both sides, strip blocks 29 are provided on both sides of the moving block, and the strip blocks 29 are slidably installed with the strip holes 28.

[0025] In this embodiment, the flattening device includes a threaded rod 12, a threaded hole 13 is provided on the upper end surface of the top plate 11, the threaded rod 12 is threadedly installed with the threaded hole 13, the upper end of the threaded rod 12 passes through the threaded hole 13 and is fixed with a hand wheel 14, and a lifting plate 15 is rotatably provided at the lower end, and sliders 16 are provided on the lower end surface and on both sides of the lifting plate 15, and a sliding hole 17 is correspondingly provided on the outer wall of the vertical plate 2, and the slider 16 is slidably installed with the sliding hole 17, and a clamping roller 18 is rotatably provided in the middle position of the two sliders 16.

[0026] More specifically, the user can control the motor 7 to rotate the lead screw 6, and the lead screw 6 will drive the adjustment block 8 and the clamping plate 9 to move to adjust the distance between the rotating rollers 10, thereby folding the plastic film in half. By setting the rotating rollers 10, the plastic film can be prevented from being scratched. The user can also turn the hand wheel 14 to make the threaded rod 12 drive the lifting plate 15 and the clamping roller 18 to move downward to press the plastic film to prevent wrinkles.

[0027] See also Figure 1 and Figure 4 As an implementation method for folding the plastic film in half: a bracket 19 is fixedly provided on the upper end surface of the vertical plate 2 and located on the other side, a first electric push rod 20 is provided on the upper end surface of the bracket 19, an output end of the first electric push rod 20 passes through the bracket 19 and is provided with an auxiliary plate 21, second electric push rods 22 are provided on both side surfaces of the bracket 19, an output end of the second electric push rod 22 passes through the bracket 19 and is provided with a moving frame 23, and auxiliary rollers 24 are rotatably provided inside the moving frame 23.

[0028] Specifically, the user can control the first electric push rod 20 to move the auxiliary plate 21 downward to guide the plastic film, and then control the second electric push rod 22 to make the auxiliary rollers 24 press the two sides of the plastic film to achieve a better folding effect.

[0029] Please refer to Figure 2 As a further implementation method for guiding the plastic film: square holes 25 are provided on both sides of the vertical plate 2, and a plurality of square holes 25 are provided and arranged linearly, and a fixed shaft 26 is provided inside the square hole 25, and a guide wheel 27 is rotatably provided on the fixed shaft 26.

[0030] Specifically, the plastic film may be guided.

[0031] Please refer to Figure 2 As a further embodiment of fixing the device: external connection holes 30 are provided on the upper end surface of the base 1 and at the four corners.

[0032] Specifically, the user can fix the device to the ground through the external connection hole 30 .

[0033] To sum up, when the overall equipment is in use: the user can first put the plastic film on the upper end of the conveying roller 3, and then rotate the hand wheel 14 to rotate the threaded rod 12, at this time the threaded rod 12 will drive the lifting plate 15 and the clamping roller 18 to move to press the plastic film on the conveying roller 3, and then control the motor 7 to rotate the screw 6, at this time the screw 6 will drive the adjustment block 8 and the clamping plate 9 to move, so as to fold the plastic film and make the plastic film contact with the auxiliary plate 21, and finally control the second electric push rod 22 to make the auxiliary roller 24 press the two sides of the plastic film to make its folding effect better, and then connect one end of it to the winding device for easy use.

[0034] When the plastic film needs to be compressed, the threaded rod 12 can be rotated by turning the hand wheel 14 , and the threaded rod 12 will drive the lifting plate 15 and the pressing roller 18 to move to compress the plastic film on the conveying roller 3 .

[0035] When folding in half, the motor 7 can be controlled to rotate the lead screw 6, and the lead screw 6 will drive the adjusting block 8 and the clamping plate 9 to move, so as to fold the plastic film in half and make the plastic film contact with the auxiliary plate 21, and finally the second electric push rod 22 is controlled to make the auxiliary roller 24 press the two sides of the folded plastic film tightly, so as to make the folding effect better.

[0036] In all the schemes mentioned above, the connection between two parts can be selected according to actual conditions by welding, bolt and nut matching connection, bolt or screw connection or other well-known connection methods, which are not described here one by one. In the above, all fixed connections are preferably welded. Although the embodiments of the utility model have been shown and described, it can be understood by ordinary technicians in this field that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the utility model. The scope of the utility model is defined by the attached claims and their equivalents.

Claims

1. A plastic film folding machine, comprising a base (1), characterized in that: The upper end surface of the base (1) and both sides thereof are provided with vertical plates (2), and a conveying roller (3) is rotatably provided in the middle of the two vertical plates (2). The conveying rollers (3) are provided in two groups and are arranged linearly. The upper end surface of the base (1) and one side thereof is provided with a shell (4), and a fixing plate (5) is provided on the inner wall of the shell (4) and in the middle thereof. Lead screws (6) are rotatably provided on both sides of the fixing plate (5), and motors (6) are provided at both ends of the shell (4). 7), the output end of the motor (7) is fixedly connected to the lead screw (6), the inside of the housing (4) and on both sides of the fixed plate (5) are slidably provided with adjustment blocks (8), the lead screws (6) are threadedly connected to the adjustment blocks (8), the upper end surface of the adjustment blocks (8) are provided with clamping plates (9), the inner wall of the clamping plates (9) are rotatably provided with rotating rollers (10), the upper end surface of the vertical plate (2) and on one side are provided with a top plate (11), and a flattening device is provided on the top plate (11).

2. A plastic film folding machine according to claim 1, characterized in that: The flattening device comprises a threaded rod (12), a threaded hole (13) is formed on the upper end surface of the top plate (11), the threaded rod (12) and the threaded hole (13) are threadedly mounted, the upper end of the threaded rod (12) passes through the threaded hole (13) and is fixedly provided with a hand wheel (14), and the lower end is rotatably provided with a lifting plate (15), the lower end surface of the lifting plate (15) and both sides thereof are provided with sliders (16), the outer wall of the vertical plate (2) is correspondingly provided with a sliding hole (17), the slider (16) and the sliding hole (17) are slidably mounted, and a pressing roller (18) is rotatably provided at the middle position of the two sliders (16).

3. The plastic film folding machine according to claim 1, characterized in that: A bracket (19) is fixedly provided on the upper end surface of the vertical plate (2) and located on the other side. A first electric push rod (20) is provided on the upper end surface of the bracket (19). The output end of the first electric push rod (20) passes through the bracket (19) and is provided with an auxiliary plate (21).

4. The plastic film folding machine according to claim 3, characterized in that: Second electric push rods (22) are provided on both sides of the bracket (19); the output end of the second electric push rod (22) passes through the bracket (19) and is provided with a moving frame (23); auxiliary rollers (24) are rotatably provided inside the moving frame (23).

5. The plastic film folding machine according to claim 1, characterized in that: Both side surfaces of the vertical plate (2) are provided with square holes (25), a plurality of the square holes (25) are provided and are arranged linearly, a fixed shaft (26) is provided inside the square holes (25), and a guide wheel (27) is rotatably provided on the fixed shaft (26).

6. The plastic film folding machine according to claim 1, characterized in that: Strip holes (28) are provided on both sides of the outer wall of the shell (4), and strip blocks (29) are provided on both sides of the adjustment block (8). The strip blocks (29) are slidably mounted on the strip holes (28).

7. The plastic film folding machine according to claim 1, characterized in that: External connection holes (30) are provided on the upper end surface of the base (1) and at four corners.

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