Plastic bag film blowing cooling device

Abstract

The utility model belongs to the technical field of plastic bag production, and particularly relates to a plastic bag film blowing and cooling device. The plastic bag film blowing and cooling device comprises two supporting rods, a first cooling assembly for cooling extruded plastic is installed on the front sides of the two supporting rods, and a second cooling assembly for cooling the plastic passing through the first cooling assembly again is installed at the top of the first cooling assembly. The front end of the top of the supporting rod is fixedly connected with a winding assembly for conducting winding operation on plastic, the winding assembly comprises a first mounting frame, the first mounting frame is fixedly connected to the top of the supporting rod, and the front side of the bottom wall of the first mounting frame is fixedly connected with a second mounting frame; according to the film cooling device, plasticized raw materials can be subjected to air cooling and water cooling through the first cooling assembly and the second cooling assembly respectively, so that the cooling effect of a film is guaranteed, the thickness and width of the film are accurately controlled, and the size deviation is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of plastic bag production, specifically to a plastic bag film blowing cooling device. BACKGROUND

[0002] Plastic bags can be produced by a plastic film blowing device, which is provided with a plastic extruder and a die head. The die head is provided with a circular ring-shaped extrusion outlet, and a herringbone-shaped clamping plate is arranged above the die head. A traction clamping roller is fixedly arranged above the herringbone-shaped clamping plate. During production, high-temperature molten resin material is extruded from the circular ring-shaped extrusion outlet of the extrusion die head to form a circular ring-shaped bubble. The circular ring-shaped bubble is gradually flattened as it runs upward through the herringbone plate and is compacted by the traction clamping roller to become a double-layer sheet-shaped film, which is finally wound up.

[0003] Chinese patent authorization announcement number: CN216506731U provides a kind of plastic bag film blowing cooling device, and the scheme "including box, setting in the inlet of material of box one side surface and setting in the outlet of material of box other side surface, the box one side is provided with cooling assembly, the box top one side is provided with tensioning adjustment assembly, the cooling assembly includes installation box, the installation box is set in the box one side surface, the installation box is provided with cooling fan in one side, the box one end is provided with main gas pipe, the main gas pipe two ends are respectively provided with first shunt pipe and second shunt pipe, the first shunt pipe one end is connected with first gas cover, the second shunt pipe one end is connected with second gas cover, the first gas cover and second gas cover are symmetrically arranged on the upper and lower sides of box, the utility model can carry out double-sided cooling to plastic film, cooling efficiency is high, while tensioning force is adjustable, satisfy the production of different specifications plastic film"。

[0004] But the above-mentioned device only transports and discharges heat through shunt pipe, without additional cooling structure for cooling operation, so that the device has certain use limitation. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of plastic bag film blowing cooling device to solve the problems raised in the above background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of plastic bag film blowing cooling device, including two support rods, the front side of two the support rod is equipped with the first cooling assembly for cooling extruded plastic, the top of the first cooling assembly is equipped with the second cooling assembly for cooling plastic after the first cooling assembly, the top front end of the support rod is fixedly connected with the winding assembly for winding operation to plastic, the winding assembly includes first mounting bracket, the first mounting bracket is fixedly connected at the top of support rod, the bottom wall front side of the first mounting bracket is fixedly connected with second mounting bracket, the bottom wall left and right ends of the second mounting bracket are all fixedly connected with side plate.

[0007] Preferably, the first cooling assembly comprises a support frame, an extrusion die head is fixedly connected to the top wall of the support frame, a first air ring, a second air ring and a third air ring are mounted on the top of the extrusion die head from bottom to top, a plurality of air inlets are fixedly installed on the outer wall of the first air ring, the second air ring and the third air ring, six first supporting legs are fixedly connected to the bottom wall of the first air ring at equal intervals, the first air ring is fixedly connected to the top wall of the extrusion die head through the first supporting legs, and the bottom wall of the second air ring and the third air ring is fixedly connected with three second supporting legs, and the second air ring and the third air ring are fixedly connected to the top wall of the first air ring and the second air ring respectively through the second supporting legs.

[0008] Preferably, the second cooling assembly comprises a cold water pipe, the cold water pipe is installed on the top of the third air ring, positioning rods are fixedly connected to the front and rear ends of the top wall of the third air ring, a sleeve ring is fixedly connected to the top end of the positioning rod, the sleeve ring is fixedly connected to the outer wall of the cold water pipe, and a water inlet plug and a water outlet plug are installed at the top end and the bottom end of the cold water pipe respectively.

[0009] Preferably, the top end of the fixed plate is fixedly connected with a mounting table, a circulating pump is installed on the top wall of the mounting table, and the output end of the circulating pump is in communication with the cold water pipe.

[0010] Preferably, the winding assembly further comprises a driving roller, the driving roller is rotatably connected to the outer wall of the adjacent side end of the two side plates, a winding roller is installed on the top wall of the side plate, and a base is fixedly connected to the bottom wall of the side plate.

[0011] Preferably, the material of the first air ring, the second air ring, the third air ring and the cold water pipe is made of aluminum alloy material.

[0012] Compared with the prior art, the plastic bag film blowing cooling device has the advantages that the first cooling assembly and the second cooling assembly can respectively perform air cooling and water cooling on the plasticized raw material, so as to ensure the cooling effect of the film, and then realize accurate control of the thickness and width of the film and reduce the size deviation. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of the utility model;

[0014] Figure 2 It is an enlarged structural schematic diagram of A in the plastic bag film blowing cooling device provided by the utility model; Figure 1

[0015] Figure 3 It is a first cooling assembly split structural schematic diagram of the plastic bag film blowing cooling device provided by the utility model;​

[0016] Figure 4 A partial structure schematic view of a plastic bag film blowing cooling device is provided in the utility model.

[0017] In the drawing: 1, support rod; 2, first mounting bracket; 21, second mounting bracket; 22, side plate; 23, drive roller; 24, winding roller; 25, base; 3, support frame; 31, extrusion die head; 32, first air ring; 33, second air ring; 34, third air ring; 35, air inlet; 36, first support leg; 37, second support leg; 4, cold water pipe; 41, positioning rod; 42, collar; 43, water outlet plug; 44, water inlet plug; 5, fixed plate; 6, mounting table; 7, circulating pump. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0019] Please refer to Figure 1 - Figure 4 The utility model provides a technical scheme: a plastic bag film blowing cooling device, including two support rods 1, the front side of two support rods 1 is installed with the first cooling assembly that cools extruded plastics, the top of first cooling assembly is installed with the second cooling assembly that cools plastics after passing through first cooling assembly again, the top front end of support rod 1 is fixedly connected with the winding assembly that cools plastics, and the winding assembly includes first mounting bracket 2, first mounting bracket 2 is fixedly connected at the top of support rod 1, the bottom wall front side of first mounting bracket 2 is fixedly connected with second mounting bracket 21, and the bottom wall left and right ends of second mounting bracket 21 are all fixedly connected with side plate 22;First cooling assembly includes support frame 3, the top wall of support frame 3 is fixedly connected with extrusion die head 31, and the top of extrusion die head 31 is installed from below to above with first air ring 32, second air ring 33 and third air ring 34 respectively, the outer wall of first air ring 32, second air ring 33 and third air ring 34 is all fixedly installed with a plurality of air inlets 35, and the bottom wall of first air ring 32 is equidistantly fixedly connected with six first support legs 36, first air ring 32 is fixedly connected on the top wall of extrusion die head 31 through first support leg 36, and the bottom wall of second air ring 33 and third air ring 34 is all fixedly connected with three second support legs 37, and second air ring 33 and third air ring 34 are all fixedly connected on the top wall of first air ring 32 and second air ring 33 through second support leg 37 respectively.

[0020] Through the technical scheme, the composite cooling air ring structure is formed by the multiple air rings, so that the cold air can be uniformly blown on the surface of the film, the first air ring 32 needs to bear the second air ring 33, the third air ring 34 and the second cooling assembly on the top, therefore, the stability is ensured by the six first supporting legs 36, and the stability of the first air ring 32 installed on the top structure is further ensured.

[0021] Please refer to Figure 2 and Figure 4 The second cooling assembly comprises a cold water pipe 4, the cold water pipe 4 is installed on the top of the third air ring 34, the top wall of the third air ring 34 is fixedly connected with positioning rods 41 at the front and rear ends, the top ends of the positioning rods 41 are fixedly connected with sleeves 42, the sleeves 42 are fixedly connected to the outer wall of the cold water pipe 4, the top end and the bottom end of the cold water pipe 4 are respectively provided with water inlet plugs 44 and water outlet plugs 43, the top wall of the third air ring 34 is fixedly connected with a fixed plate 5, the top end of the fixed plate 5 is fixedly connected with a mounting table 6, the top wall of the mounting table 6 is installed with a circulating pump 7, and the output end of the circulating pump 7 is communicated with the cold water pipe 4.

[0022] Through the technical scheme, the water inlet plug 44 and the water outlet plug 43 are respectively installed on the upper end and the lower end of the cold water pipe 4, so that the cold water is conveniently supplemented and discharged, the convenience of use of the device is improved, the circulating pump 7 is installed on the top of the third air ring 34 through the fixed plate 5 and the mounting table 6, so as to provide continuous pressure and flow, so that the fluid circulates in the cold water pipe 4, the film is further cooled by the cold water pipe 4, and the production effect of installing the plastic bag is achieved.

[0023] Please refer to Figure 1 and Figure 2 The winding assembly further comprises a driving roller 23, the driving roller 23 is rotationally connected to the outer wall of the adjacent side rear end of the two side plates 22, the top wall of the side plate 22 is provided with a winding roller 24 at the front end, and the bottom wall of the side plate 22 is fixedly connected with a base 25; the materials of the first air ring 32, the second air ring 33, the third air ring 34 and the cold water pipe 4 are all made of aluminum alloy material.

[0024] Through the technical scheme, the driving roller 23 and the winding roller 24 can ensure that the film is stably wound, and the operator can conveniently collect the plastic film; since the aluminum alloy material has the characteristics of good heat conduction performance and strong corrosion resistance, the air ring and the cold water pipe 4 are all made of aluminum alloy material, so as to ensure the service life of the cooling structure.

[0025] Working principle: pour the raw materials into the extruder, pass through the stirring plasticization, then pull out by the extrusion die 31, the first air ring 32 is fixed on the top of the extrusion die 31 through the first supporting leg 36, the second air ring 33 and the third air ring 34 are respectively fixed on the bottom of the first air ring 32 and the second air ring 33 through the second supporting leg 37, the air inlet 35 is connected with the air blower, the pulled out plastic film passes through multiple air rings in sequence, multiple air rings form a composite cooling structure through superposition, each air ring part can be independently adjusted to adapt to different cooling requirements and film bubble diameter, so that the first cooling assembly cools the film by air cooling, the film passing through the first cooling assembly enters the inner wall of the cold water pipe 4, the cold water pipe 4 is installed on the top of the third air ring 34 through the sleeve ring 42 and the positioning rod 41, the cold water pipe 4 is designed in a spiral structure, and the size thereof should not be too large, so that the film can stably contact the outer wall of the cold water pipe 4, the cold water circulates in the pipe through the circulating pump 7 installed on the top wall of the mounting table 6, and the cold water can realize water inlet and water outlet through the water outlet plug 43 and the water inlet plug 44, so as to facilitate personnel operation, the second cooling assembly controls the diameter of the film by water cooling, improves the quality of plastic bag production, and then the film passes through the first mounting frame 2 and the second mounting frame 21 in sequence, winds around the driving roller 23 and is wound on the outer surface of the winding roller 24, so as to realize the winding operation.

[0026] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A plastic bag film blowing cooling device comprising two support rods (1), characterized in that: The front side of two support rods (1) is provided with a first cooling assembly for cooling extruded plastic, the top of the first cooling assembly is provided with a second cooling assembly for re-cooling plastic after passing through the first cooling assembly, the top front end of the support rod (1) is fixedly connected with a winding assembly for winding plastic, the winding assembly comprises a first mounting frame (2) fixedly connected to the top of the support rod (1), and the bottom wall of the first mounting frame (2) is fixedly connected with a second mounting frame (21) on the front side, and the bottom wall of the second mounting frame (21) is fixedly connected with side plates (22) on the left and right ends.

2. A plastic bag film blowing and cooling apparatus according to claim 1, wherein: The first cooling assembly comprises a support frame (3), the top wall of the support frame (3) is fixedly connected with an extrusion die head (31), the top of the extrusion die head (31) is provided from bottom to top with a first air ring (32), a second air ring (33) and a third air ring (34) in sequence, the outer wall of each of the first air ring (32), the second air ring (33) and the third air ring (34) is fixedly provided with a plurality of air inlets (35), the bottom wall of the first air ring (32) is fixedly connected with six first supporting legs (36) at equal intervals, the first air ring (32) is fixedly connected to the top wall of the extrusion die head (31) through the first supporting legs (36), and the bottom wall of each of the second air ring (33) and the third air ring (34) is fixedly connected with three second supporting legs (37).

3. A plastic bag film blowing and cooling apparatus according to claim 2, wherein: The second cooling assembly comprises a cold water pipe (4) installed on the top of the third air ring (34), the top wall of the third air ring (34) is fixedly connected with positioning rods (41) at the front and rear ends, the top end of each positioning rod (41) is fixedly connected with a sleeve ring (42) fixedly connected to the outer wall of the cold water pipe (4), and the top end and the bottom end of the cold water pipe (4) are respectively provided with water inlet plugs (44) and water outlet plugs (43).

4. A plastic bag film blowing and cooling apparatus according to claim 2, wherein: The top wall of the third air ring (34) is fixedly connected with a fixed plate (5), the top end of the fixed plate (5) is fixedly connected with a mounting table (6), the top wall of the mounting table (6) is provided with a circulating pump (7), and the output end of the circulating pump (7) is in communication with the cold water pipe (4).

5. A plastic bag film blowing and cooling apparatus according to claim 1, wherein: The winding assembly further comprises a driving roller (23) rotatably connected to the outer wall of the adjacent side rear end of the two side plates (22), a winding roller (24) is mounted on the top wall of the front end of the side plate (22), and a base (25) is fixedly connected to the bottom wall of the side plate (22).

6. A plastic bag film blowing and cooling apparatus according to claim 3, wherein: The materials of the first air ring (32), the second air ring (33), the third air ring (34) and the cold water pipe (4) are all made of aluminum alloy material.

Images