Film blowing traction mechanism of film blowing machine

Abstract

The utility model discloses a film blowing traction mechanism of a film blowing machine. The film blowing traction mechanism comprises a rack, the traction mechanism is arranged at the top of the rack; the two guide frames are arranged, and the tops of the two guide frames are installed on the rack in a relatively rotating mode and arranged in a splayed mode. A plurality of guide rollers are uniformly and rotatably mounted on the guide frame; the adjusting assembly is arranged on the rack and used for adjusting the opening angle of the two guide frames. The air inlet assembly is arranged on the rack; and the two groups of air outlet assemblies are respectively positioned on the two guide frames, are communicated with the air inlet assembly and are used for blowing air outwards to the middle parts of the two guide rollers. The utility model relates to the technical field of film blowing machines, the opening angle of the two guide frames is adjusted through the adjusting assembly, and the traction assembly is used for pulling a film; the air inlet assembly is started to enable air to be blown from the middles of the two guide rollers to the two sides through the air outlet assembly, the situation that the blown air is vertically blown to the film is effectively avoided, shaking of the film is reduced, and the situation that the film is wrinkled due to shaking is effectively avoided.

Description

Technical Field

[0001] This utility model relates to the field of blown film machine technology, specifically to a blown film traction mechanism for a blown film machine. Background Technology

[0002] A blown film machine heats and melts plastic particles and then blows them into a thin film. There are many types of blown film machines, including those for PE, POF, PVC, etc. Using brand-new particles results in new material, with uniform color, cleanliness, and good bag stretching.

[0003] Currently, although the existing blown film machine traction mechanism has achieved the function of ventilation and heat dissipation of the film, the air blown towards the film during the blowing process can easily cause the film to shake, which can easily lead to wrinkles. Therefore, a blown film traction mechanism for a blown film machine is provided. Utility Model Content

[0004] The purpose of this invention is to provide a blown film traction mechanism for a blown film machine, so as to solve the problem that the wind blowing towards the film during the blowing process can easily cause the film to shake, which in turn can easily lead to wrinkles.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a blown film traction mechanism for a blown film machine, comprising:

[0006] frame;

[0007] A traction mechanism is located at the top of the frame;

[0008] There are two guide frames, and the tops of the two guide frames are rotatably mounted on the frame in a V-shape.

[0009] Several guide rollers are provided and are uniformly rotated and installed on the guide frame;

[0010] An adjustment component, mounted on the frame, is used to adjust the opening angle of the two guide frames;

[0011] An air intake assembly is mounted on the aforementioned frame;

[0012] The air outlet assembly is provided in two sets, which are located on the two guide frames respectively and are connected to the air inlet assembly, for blowing air outward from the middle of the two guide rollers.

[0013] Preferably, the adjustment assembly includes gears disposed at the ends of two guide frame shafts and meshing with each other, an electric cylinder is provided on the frame, and the output end of the electric cylinder is provided with a gear rack meshing with one of the gears.

[0014] Preferably, the air intake assembly includes an air intake cavity disposed on the frame, an air intake fan is provided at the air intake end of the air intake cavity, two air pipes are provided on the side wall of the air intake cavity, and a connecting hose is provided between the air outlet end of the air pipe and the air outlet assembly.

[0015] Preferably, the air outlet assembly includes two guide frames mounted on side walls away from each other, an air outlet cavity is provided on the mounting frame and located in the middle of the guide frames, an air outlet pipe is provided on the side wall of the air outlet cavity extending between the two guide rollers, and nozzles are provided at both the front and rear ends of the air outlet pipe.

[0016] Preferably, the traction mechanism includes a traction roller rotatably mounted on a frame, a drive motor for driving the traction roller to rotate is provided on the frame, and a friction roller adapted to the traction roller is rotatably mounted on the frame.

[0017] Compared with the prior art, the beneficial effects of this utility model are as follows: The blown film traction mechanism of this utility model is used such that, when the opening angle between the two guide frames is adjusted by the adjustment component, the traction component pulls the film. At the same time, the air inlet component is activated so that the air blows from the middle of the two guide rollers to both sides through the air outlet component, which effectively avoids the blown air blowing vertically towards the film, reduces the shaking of the film, and effectively avoids the film from wrinkling due to shaking. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the main structure of this utility model;

[0019] Figure 2 This is a schematic diagram of the main cross-sectional structure of the traction mechanism of this utility model;

[0020] Figure 3 This is a rear view structural diagram of the traction mechanism of this utility model;

[0021] Figure 4 for Figure 2 A magnified schematic diagram of the structure at point A.

[0022] In the diagram: 1. Frame; 2. Traction mechanism; 2-1. Traction roller; 2-2. Drive motor; 2-3. Friction roller; 3. Guide frame; 4. Guide roller; 5. Adjustment assembly; 5-1. Gear; 5-2. Electric cylinder; 5-3. Gear rack; 6. Air inlet assembly; 6-1. Air inlet chamber; 6-2. Air inlet fan; 6-3. Air pipe; 6-4. Connecting hose; 7. Air outlet assembly; 7-1. Mounting bracket; 7-2. Air outlet chamber; 7-3. Air outlet pipe; 7-4. Nozzle. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Please see Figure 1-4 This utility model provides a technical solution: a blown film traction mechanism for a blown film machine, including a frame 1; a traction mechanism 2 disposed on the top of the frame 1; two guide frames 3 disposed, the tops of the two guide frames 3 being rotatably mounted on the frame 1 in a V-shape; several guide rollers 4 disposed, evenly rotatably mounted on the guide frames 3; an adjustment component 5 disposed on the frame 1 for adjusting the opening angle of the two guide frames 3; an air inlet component 6 disposed on the frame 1; and two sets of air outlet components 7 disposed, respectively located on the two guide frames 3 and connected to the air inlet component 6, for blowing air outward from the middle of the two guide rollers 4. In use, the opening angle between the two guide frames 3 is adjusted by the adjustment component 5, the traction component 2 tractions the film, and at the same time, the air inlet component 6 is activated so that air is blown from the middle of the two guide rollers 4 to both sides through the air outlet component 7, effectively preventing the blown air from blowing vertically onto the film, reducing film vibration, and effectively preventing the film from wrinkling due to vibration.

[0025] Specifically, the adjustment component 5 includes gears 5-1 that are set at the rotating shaft ends of the two guide frames 3 and mesh with each other. The frame 1 is equipped with an electric cylinder 5-2. The output end of the electric cylinder 5-2 is equipped with a gear rack 5-3 that meshes with one of the gears 5-1. In use, the electric cylinder 5-2 is activated to drive the gear rack 5-3 to move. The gear rack 5-3 drives the gear 5-1 on one side to rotate. The gear 5-1 on one side rotates and drives the gear 5-1 on the other side to rotate. This allows the two gears 5-1 to drive the two guide frames 3 to rotate relative to each other, thereby adjusting the opening angle of the two guide frames 3.

[0026] Specifically, the air intake assembly 6 includes an air intake cavity 6-1 mounted on the frame 1. An air intake fan 6-2 is provided at the air intake end of the air intake cavity 6-1. Two air pipes 6-3 are provided on the side wall of the air intake cavity 6-1. The two air pipes 6-3 are located on both sides of the top of the traction mechanism 2. A connecting hose 6-4 is provided between the air outlet end of the air pipe 6-3 and the air outlet assembly 7. In use, by starting the air intake fan 6-2, the external air passes through the air intake cavity 6-1, the air pipes 6-3 and the connecting hose 6-4 in sequence and enters the interior of the air outlet assembly 7, thereby enabling the air intake assembly 6 to provide airflow to the air outlet assembly 7.

[0027] Specifically, the air outlet assembly 7 includes two guide frames 3 mounted on mounting brackets 7-1 located away from each other on the side walls. An air outlet cavity 7-2 is provided on the mounting bracket 7-1 and located in the middle of the guide frame 3. The air outlet cavity 7-2 is arranged parallel to the guide frame 3, and a gap is provided between the air outlet cavity 7-2 and the guide roller 4. An air outlet pipe 7-3 is provided on the side wall of the air outlet cavity 7-2 and extends between the two guide rollers 4. Both ends of the air outlet pipe 7-3 are provided with nozzles 7-4. When the air inlet assembly 6 is activated, the air from the air inlet assembly 6 enters the air outlet cavity 7-2 and the air outlet pipe 7-3 in sequence and is sprayed out through the nozzles 7-4. This enables the air outlet assembly 7 to blow air from the middle of the two guide rollers 4 to both sides, effectively preventing the blown air from blowing vertically towards the film, reducing film vibration, and effectively preventing the film from wrinkling due to vibration.

[0028] Specifically, the traction mechanism 2 includes a traction roller 2-1 rotatably mounted on the frame 1, a drive motor 2-2 for driving the traction roller 2-1 to rotate on the frame 1, and a friction roller 2-3 adapted to the traction roller 2-1 rotatably mounted on the frame 1. The traction roller 2-1 is in contact with the friction roller 2-3. During use, the traction roller 2-1 is driven to rotate by starting the drive motor 2-2, thereby realizing the traction operation of the film located between the traction roller 2-1 and the friction roller 2-3.

[0029] Working principle: When this utility model is working, firstly, the adjustment component 5 is activated to adjust the opening angle between the two guide frames 3, and the traction component 2 is activated to pull the film. At the same time, the air inlet component 6 is activated to blow air from the middle of the two guide rollers 4 to both sides through the air outlet component 7, thereby reducing the shaking of the film.

[0030] In the description of this invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0031] All standard parts used in this invention can be purchased from the market, and irregular parts can be customized according to the description and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts and equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection methods in the prior art, which will not be described in detail here.

[0032] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A blown film traction mechanism for a blown film machine, characterized in that, include: Rack (1); A traction mechanism (2) is disposed on the top of the frame (1); There are two guide frames (3), and the tops of the two guide frames (3) are rotatably mounted on the frame (1) and arranged in a figure-eight configuration. Several guide rollers (4) are provided and are uniformly rotated and installed on the guide frame (3); An adjustment component (5) is mounted on the frame (1) and is used to adjust the opening angle of the two guide frames (3); An air intake assembly (6) is mounted on the frame (1); The air outlet assembly (7) is provided in two sets, which are located on the two guide frames (3) respectively and are connected to the air inlet assembly (6) for blowing air outward from the middle of the two guide rollers (4).

2. The blown film traction mechanism of a blown film machine according to claim 1, characterized in that: The adjustment component (5) includes gears (5-1) that are disposed on the shaft ends of two guide frames (3) and mesh with each other. An electric cylinder (5-2) is provided on the frame (1). The output end of the electric cylinder (5-2) is provided with a gear rack (5-3) that meshes with a gear (5-1).

3. The blown film traction mechanism of a blown film machine according to claim 1, characterized in that: The air intake assembly (6) includes an air intake cavity (6-1) disposed on the frame (1). An air intake fan (6-2) is provided at the air intake end of the air intake cavity (6-1). Two air pipes (6-3) are provided on the side wall of the air intake cavity (6-1). A connecting hose (6-4) is provided between the air outlet end of the air pipe (6-3) and the air outlet assembly (7).

4. The blown film traction mechanism of a blown film machine according to claim 1, characterized in that: The air outlet assembly (7) includes two guide frames (3) and mounting frames (7-1) arranged on the side walls away from each other. An air outlet cavity (7-2) is provided on the mounting frame (7-1) and located in the middle of the guide frame (3). An air outlet pipe (7-3) extending between the two guide rollers (4) is provided on the side wall of the air outlet cavity (7-2). Both ends of the air outlet pipe (7-3) are provided with nozzles (7-4).

5. The blown film traction mechanism of a blown film machine according to claim 1, characterized in that: The traction mechanism (2) includes a traction roller (2-1) rotatably mounted on a frame (1), a drive motor (2-2) for driving the traction roller (2-1) to rotate is provided on the frame (1), and a friction roller (2-3) adapted to the traction roller (2-1) is rotatably mounted on the frame (1).

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