Film drawing mechanism for film sleeving machine

Abstract

The utility model discloses a film drawing mechanism for a film sleeving machine, which comprises a bottom plate, an air cylinder mounting frame, an air cylinder, a sliding block, a sliding plate, a supporting lug plate, a fixing plate, a film drawing motor, a film drawing wheel, a placing frame, a plastic film extrusion wheel and a film drawing module, the air cylinder mounting frame is fixedly arranged at the right end of the top surface of the bottom plate, and the air cylinder is fixedly mounted on the air cylinder mounting frame; a plurality of supporting lug plates are fixed to the left portion of the top face of the bottom plate, the top faces of the supporting lug plates are fixedly connected with sliding plates, the front ends and the rear ends of the sliding plates are slidably sleeved with sliding blocks, the telescopic shaft ends of air cylinders are fixed to the right side faces of the sliding blocks, fixing plates are fixed to the top faces of the sliding blocks, film drawing motors are fixedly arranged on the top faces of the fixing plates, and the output shaft ends of the film drawing motors are in transmission connection with film drawing wheels. A placement frame is fixedly arranged at the left end of the top surface of the bottom plate, a plastic film extrusion wheel is arranged on the placement frame in a sleeving manner, and a film drawing module is fixedly arranged on the bottom surface of the bottom plate and is in electric driving connection with the air cylinder. Compared with the prior art, the device has the advantages that after the device is used for the film sleeving machine to pull a film to a proper length, the film material is straightened, so that the film smoothly covers the material, and the final forming effect of the film sleeving machine is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of film-drawing structures, in particular to a film-drawing mechanism for a film-covering machine. Background Art

[0002] The film-pulling mechanism can stretch and wrap a film or plastic film on the surface of the product to protect the product from external contamination and extend the shelf life of the product. It can effectively prevent dust, moisture and other unclean substances from entering the package to ensure the quality and safety of the product. By applying a transparent film or a colored film on the product, the film-pulling mechanism can effectively display the appearance and logo of the product, and improve the market recognizability and attractiveness of the product. Through personalized packaging, enterprises can enhance their brand image and market competitiveness.

[0003] The existing film-pulling mechanism does not have a straightening structure for the film material when pulling the film material, resulting in the film material curling slightly and not being straight enough when stretched. When the material is sleeved, the film material cannot be smoothly covered on the material, affecting the final sleeve forming of the film material. Utility Model Content

[0004] The technical problem to be solved by the utility model is to overcome the above technical difficulties and provide a film pulling mechanism for a film covering machine, which can straighten the film material before the next step of covering work, and the film can be smoothly covered on the material, thereby improving the final forming effect of the film covering machine.

[0005] In order to solve the above technical problems, the technical solution provided by the utility model is:

[0006] A film-drawing mechanism for a film-covering machine, comprising a bottom plate, a cylinder mounting frame, a cylinder, a slider, a slide plate, a supporting ear plate, a fixing plate, a film-drawing motor, a film-drawing wheel, a placing frame, a plastic film extruding wheel, and a film-drawing module;

[0007] A cylinder mounting frame is fixedly arranged at the right end of the top surface of the bottom plate, a cylinder is fixedly arranged on the cylinder mounting frame, a plurality of supporting ear plates are fixedly arranged at the left part of the top surface of the bottom plate, a slide plate is fixedly connected to the top surface of the supporting ear plate, a slide block is slidably sleeved at the front and rear ends of the slide block, the telescopic shaft end of the cylinder is fixed to the right side surface of the slide block, a fixing plate is fixed to the top surface of the slide block, a film-pulling motor is fixedly arranged on the top surface of the fixing plate, and the output shaft end of the film-pulling motor is drivingly connected to the film-pulling wheel;

[0008] A placing rack is fixedly arranged at the left end of the top surface of the bottom plate, a plastic film extrusion wheel is sleeved on the placing rack, a film drawing module is fixedly arranged on the bottom surface of the bottom plate, and the film drawing module is electrically driven and connected with the cylinder.

[0009] As an improvement, a pair of sliding grooves that are slidably connected to the slide plate are provided at the bottom end of the slider. The middle part of the slider is a hollow structure. After the fixing bolt passes through the film-pulling motor mounting plate and the fixed plate, the bottom end is located in the hollow cavity of the slider and is fixed by a nut thread to fix the film-pulling motor on the fixed plate.

[0010] As an improvement, the placing rack is a plate-like structure with a mounting groove on the upper part, a shaft rod is arranged in the mounting groove, and the plastic film extruding wheel is sleeved on the shaft rod and slidably connected with the shaft rod.

[0011] As an improvement, the supporting ear plate is a bent right-angle steel plate, and the top end of the supporting ear plate is fixedly connected to the sliding plate by fastening bolts.

[0012] As an improvement, four groups of film-pulling mechanisms are provided, and each film-pulling mechanism is fixedly connected by a connecting cross bar.

[0013] The advantages of the utility model compared with the prior art are:

[0014] This device is used to straighten the film material after the film is pulled to a suitable length by the film sleeve machine so that the film can be evenly covered on the material, thereby improving the final forming effect of the film sleeve machine. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the appearance of the utility model.

[0016] Figure 2 It is a schematic diagram of the film pulling mechanism composition of the utility model.

[0017] Figure 3 It is a schematic diagram of film drawing of the utility model.

[0018] As shown in the figure: 1. Base plate; 2. Cylinder mounting frame; 3. Cylinder; 4. Slider; 5. Slide plate; 6. Support ear plate; 7. Fixed plate; 8. Film pulling motor; 9. Film pulling wheel; 10. Placement rack; 11. Plastic film extrusion wheel; 12. Film pulling module; 13. Film pulling mechanism. DETAILED DESCRIPTION

[0019] In the description of the present utility model, it should be understood that the terms "center", "lateral", "up", "down", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying 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 utility model. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more. In addition, the term "including" and any variation thereof are intended to cover non-exclusive inclusions.

[0020] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0021] Combined with Figure 1 As shown, a film pulling mechanism for a film covering machine includes a base plate 1, a cylinder mounting frame 2, and a cylinder 3. The cylinder mounting frame 2 is fixedly provided at the right end of the top surface of the base plate 1, and the cylinder 3 is fixedly installed on the cylinder mounting frame 2.

[0022] Combined with Figure 2 , Attachment Figure 3 As shown, this embodiment also includes a slider 4, a slide plate 5, a support ear plate 6, a fixed plate 7, a film-drawing motor 8, a film-drawing wheel 9, a placing rack 10, a plastic film extrusion wheel 11, a film-drawing module 12, and a film-drawing mechanism 13. A plurality of support ear plates 6 are fixed to the left portion of the top surface of the bottom plate 1. The support ear plates 6 are bent right-angle steel plates, and the top ends thereof are fixedly connected to the slider 5 by fastening bolts. The slider 4 is slidably sleeved at the front and rear ends of the slider 5. The bottom end of the slider 4 is provided with a pair of slide grooves that are slidably connected to the slider 5. The middle portion of the slider 4 is a hollow structure. After the fixing bolts pass through the mounting plate of the film-drawing motor 8 and the fixed plate 7, the bottom end is located in the hollow cavity of the slider 4 and is fixed by a nut thread, so that the film-drawing motor 8 is fixed to the fixed plate 7. The telescopic shaft end of the cylinder 3 is fixed to the right side of the slider 4, and the fixed plate 7 is fixed to the top surface of the slider 4.

[0023] A film-drawing motor 8 is fixedly provided on the top surface of the fixed plate 7, and the output shaft end of the film-drawing motor 8 is transmission-connected to the film-drawing wheel 9. A placing rack 10 is fixedly provided on the left end of the top surface of the bottom plate 1. The placing rack 10 is a plate-like structure with a mounting groove on the upper part, and a shaft rod is provided in the mounting groove. A plastic film extrusion wheel 11 is sleeved on the shaft rod and slidingly connected to the shaft rod. A film-drawing module 12 is fixedly provided on the bottom surface of the bottom plate 1, and the film-drawing module 12 is electrically driven and connected to the cylinder 3. There are four groups of film-drawing mechanisms 13, and each film-drawing mechanism 13 is fixedly connected by a connecting cross bar.

[0024] During the specific implementation of the utility model: after the film peeling mechanism drops the film to peel off the rectangular opening state, the film pulling mechanism arranged below the film peeling mechanism, the four groups of film pulling mechanisms 13 arranged at the four diagonals of the corresponding rectangle, extend the moving cylinder 3 of the film pulling module 12 to move the entire film peeling mechanism toward the center of the film package, and lift it to the film package opening through the lifting device of the mold machine, so that the four groups of plastic film squeezing wheels 11 extend into the rectangular opening of the film package, and then the moving cylinder 3 of the film pulling module 12 retracts to drive the entire film peeling mechanism to move toward the outside of the film package. At this time, the plastic film squeezing wheel 11 hooks the four corners of the film package to open the film package, and then the cylinder 3 extends to drive the slider 4 to move forward, and the film pulling motor 8 fixed on the slider 4 also moves forward until the film pulling wheel 9 fixed on the film pulling motor 8 and the plastic film squeezing wheel 11 squeezes and contacts to engage, and the film is clamped between the film-drawing wheel 9 and the plastic film extrusion wheel 11. The film-drawing motor 8 is driven, and the film-drawing wheel 9 rotates accordingly, and the plastic film extrusion wheel 11 rotates in the opposite direction accordingly, thereby involving the film, and then the film is pulled to the required length; after the film is pulled to the required length, the film-drawing module 12 moving cylinder 3 retracts, so that the film-drawing mechanism 13 moves outward to clamp the film and stretch the film to the space required for packaging materials, and then the film-wrapping machine moves the entire film-drawing mechanism 13 downward. When the film begins to wrap around the material, the film-drawing motor 8 is driven, and the film-drawing wheel 9 rotates accordingly, and the plastic film extrusion wheel 11 rotates in the opposite direction accordingly, thereby involving the film, and cooperates with the film-drawing mechanism 13 to move downward to straighten the film, and the film is then evenly covered on the material, and the film-wrapping work is completed.

[0025] It is worth mentioning that the cylinder 3 and the film-pulling motor 8 in the present invention are both existing equipment well known to those skilled in the art, and their circuit connection methods and use control methods are both existing technologies.

[0026] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A film pulling mechanism for a film covering machine, characterized in that: It comprises a base plate (1), a cylinder mounting frame (2), a cylinder (3), a slider (4), a slide plate (5), a supporting ear plate (6), a fixing plate (7), a film-drawing motor (8), a film-drawing wheel (9), a placing frame (10), a plastic film extruding wheel (11), and a film-drawing module (12); A cylinder mounting frame (2) is fixedly provided at the right end of the top surface of the bottom plate (1), a cylinder (3) is fixedly installed on the cylinder mounting frame (2), a plurality of supporting ear plates (6) are fixedly provided at the left part of the top surface of the bottom plate (1), a slide plate (5) is fixedly connected to the top surface of the supporting ear plate (6), a slide block (4) is slidably sleeved at the front and rear ends of the slide block (5), a telescopic shaft end of the cylinder (3) is fixed to the right side surface of the slide block (4), a fixing plate (7) is fixedly provided on the top surface of the slide block (4), a film-drawing motor (8) is fixedly provided on the top surface of the fixing plate (7), and an output shaft end of the film-drawing motor (8) is drivingly connected to a film-drawing wheel (9); A placing rack (10) is fixedly provided at the left end of the top surface of the bottom plate (1), a plastic film extrusion wheel (11) is sleeved on the placing rack (10), a film drawing module (12) is fixedly provided on the bottom surface of the bottom plate (1), and the film drawing module (12) is electrically driven and connected to the cylinder (3).

2. The film pulling mechanism for a film covering machine according to claim 1, characterized in that: The bottom end of the slider (4) is provided with a pair of sliding grooves that are slidably connected to the slide plate (5). The middle part of the slider (4) is a hollow structure. After the fixing bolt passes through the film-pulling motor (8) mounting plate and the fixed plate (7), the bottom end is located in the hollow cavity of the slider (4) and is fixed by a nut thread, thereby fixing the film-pulling motor (8) on the fixed plate (7).

3. The film pulling mechanism for a film covering machine according to claim 1, characterized in that: The placing frame (10) is a plate-like structure with a mounting groove on the upper part. A shaft rod is arranged in the mounting groove. The plastic film extrusion wheel (11) is sleeved on the shaft rod and is slidably connected with the shaft rod.

4. The film pulling mechanism for a film covering machine according to claim 1, characterized in that: The supporting ear plate (6) is a bent right-angle steel plate, and its top end is fixedly connected to the slide plate (5) via a fastening bolt.

5. The film pulling mechanism for a film covering machine according to claim 1, characterized in that: Four groups of film-pulling mechanisms (13) are provided, and each film-pulling mechanism (13) is fixedly connected via a connecting crossbar.

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