Cooling pond for blown film body of packaging film

Abstract

The utility model discloses a packaging film blow molding film body cooling pool, which relates to the field of plastic film production and processing, and comprises a water tank, the top of the water tank is of an opening structure, a water jacket and an air jacket are arranged above the water tank, and the water jacket and the air jacket are both of a cavity structure; a plurality of water spraying holes are formed in the inner wall of the water jacket, a water jacket water inlet is formed in the outer wall of the water jacket, the water jacket water inlet is communicated with the water tank through a water pipe, and a water pump is arranged on the water pipe; a plurality of air outlet holes are formed in the inner wall of the air sleeve, an air inlet is formed in the outer wall of the air sleeve, and the air inlet is connected with a fan through an air pipe; and two driving rollers which rotate synchronously are arranged in the water tank and correspond to the water jacket and the air jacket above respectively. According to the utility model, the blown film body is cooled by water spraying, so that the cooling efficiency of the film body is improved, and the occupied area of equipment is reduced; and meanwhile, water drops on the film body can be effectively removed through the air sleeve structure, and dryness of the film body after rolling is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of plastic film production and processing, especially to a packaging film blow molding body cooling pool. BACKGROUND

[0002] The blow molding machine is a commonly used equipment in plastic packaging film production, and its working principle is to melt plastic material into a molten phase at high temperature by using an extruder, and guide it to the position of the blow molding machine head, and blow the molten plastic into a tubular film bubble through the air ring on the head. The plastic film bubble after blow molding needs to be cooled before being wound up.

[0003] In the prior art, various guide rollers are usually arranged to extend the conveying stroke of the plastic film body, and the film body is cooled by natural cooling. This method has low cooling efficiency and requires multiple guide rollers, which increases the floor area occupied by the equipment. UTILITY MODEL CONTENTS

[0004] Based on the above problems, the utility model aims to provide a packaging film blow molding body cooling pool. The utility model adopts the following technical scheme:

[0005] The utility model provides a packaging film blow molding body cooling pool, which comprises a water tank, the top of the water tank is of an open structure, a water jacket and an air jacket are arranged above the water tank, and the water jacket and the air jacket are both hollow structures;

[0006] A plurality of water injection holes are arranged on the inner wall of the water jacket, a water jacket water inlet is arranged on the outer wall of the water jacket, the water jacket water inlet is communicated with the water tank through a water pipe, and a water pump is arranged on the water pipe;

[0007] A plurality of air outlet holes are arranged on the inner wall of the air jacket, an air inlet is arranged on the outer wall of the air jacket, and the air inlet is connected with a fan through an air pipe;

[0008] Two driving rollers that rotate synchronously are arranged in the water tank, and the two driving rollers correspond to the water jacket and the air jacket above respectively.

[0009] Preferably, the bottom of the water tank is provided with a water tank water inlet and a water tank water outlet.

[0010] Preferably, the water jacket is arranged on a water jacket supporting plate, the middle part of the water jacket supporting plate is provided with a water jacket mounting hole, a plurality of water jacket supporting rods are arranged around the water jacket supporting plate, and the lower end of the water jacket supporting rod is connected with the water tank.

[0011] Preferably, the air jacket is arranged on an air jacket supporting plate, the middle part of the air jacket supporting plate is provided with an air jacket mounting hole, a plurality of air jacket supporting rods are arranged around the air jacket supporting plate, and the lower end of the air jacket supporting rod is connected with the water tank.

[0012] Preferably, the ends of the two driving rollers are connected by a chain transmission, and one of the driving rollers is connected with the power output shaft of the driving motor.

[0013] Compared with the prior art, the packaging film blowing film body cooling pool has the beneficial technical effects that:

[0014] The water cooling of the blowing film body is used, the cooling efficiency of the film body is improved, and the equipment floor area is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0015] The utility model will be further described in connection with the drawings.

[0016] Fig. 1 It is main view structural schematic drawing of packaging film blowing film body cooling pool of the utility model;

[0017] Fig. 2 It is water tank's overhead structure schematic drawing in the utility model;

[0018] Fig. 3 It is water jacket's structure schematic drawing in the utility model;

[0019] Fig. 4 It is wind jacket's structure schematic drawing in the utility model;

[0020] Fig. 5 It is water jacket's structure schematic drawing in the utility model;

[0021] Fig. 6 It is wind jacket's structure schematic drawing in the utility model.

[0022] The drawings are explained: 1, water tank, 101, water tank water inlet, 102, water tank water outlet, 2, water jacket, 201, water jet hole, 202, water jacket water inlet, 3, wind jacket, 301, air outlet, 302, air inlet, 4, water pipe, 5, water pump, 6, air pipe, 7, fan, 8, driving roller, 801, chain, 802, driving motor, 9, water jacket support plate, 901, water jacket mounting hole, 902, water jacket support rod, 10, wind jacket support plate, 1001, wind jacket mounting hole, 1002, wind jacket support rod, 11, herringbone plate guide roller frame, 12, winding device. DETAILED DESCRIPTION

[0023] In order to make the technical problems, technical schemes and beneficial effects to be solved in the utility model more clear and obvious, the utility model is further described in detail in connection with the drawings and examples.

[0024] For example, Figs. 1 to 4As shown, the embodiment discloses a kind of packaging film blow film body cooling pool, including water tank 1, the top of water tank 1 is open structure, the bottom of water tank 1 is provided with water tank water inlet 101 and water tank water outlet 102;Water in water tank 1 can be periodically replaced by water tank water inlet 101 and water tank water outlet 102.

[0025] Water jacket 2 and air jacket 3 are provided above water tank 1, and water jacket 2 and air jacket 3 are both cavity structure;A plurality of water injection holes 201 are provided on the inner wall of water jacket 2, each water injection hole 201 is inclined downward, and a water jacket inlet 202 is provided on the outer wall of water jacket 2, the water jacket inlet 202 is communicated with water tank 1 by water pipe 4, and a water pump 5 is provided on the water pipe 4.A plurality of air outlets 301 are provided on the inner wall of air jacket 3, each air outlet 301 is inclined downward, and an air inlet 302 is provided on the outer wall of air jacket 3, the air inlet 302 is connected with a fan 7 by an air pipe 6.Two driving rollers 8 are provided in water tank 1, and the two driving rollers 8 correspond to water jacket 2 and air jacket 3 above respectively.In this embodiment, the end of the two driving rollers 8 is rotatably connected to the water tank 1 by a bearing assembly, one end of the two driving rollers 8 extends to the outside of the water tank 1, and is drivingly connected by a chain 801, and the end of one of the driving rollers 8 is drivingly connected with the power output shaft of a driving motor 802.

[0026] The working process of the utility model is as follows:

[0027] It should be noted that during cooling, chevron guide roller frames 11 are arranged above water jacket 2 and air jacket 3.

[0028] After the tubular film is blown by the blowing machine, it is rolled into a sheet shape by the guide rollers on the upper part of the blowing machine, is guided by the chevron guide roller frame 11 above water jacket 2, penetrates water jacket 2, and enters water tank 1; the film is driven by the two driving rollers 8 in water tank 1, changes direction, penetrates air jacket 3, and is guided by the chevron guide roller frame 11 above air jacket 3 to the winding device 12 for winding.

[0029] At the beginning of production, when the film is completely wound by the winding device 12 after passing through water jacket 2 and air jacket 3, the film segment where water jacket 2 and air jacket 3 are located is inflated by a pinhole (after the pinhole is inflated, it is closed and marked, and the film segment where the pinhole is located will be cut off later, and due to the limitation of the roller group, the gas is temporarily stored in the film segment where water jacket 2 and air jacket 3 are located), so that the film body expands, and after expansion, the film body contacts the water sprayed by water jacket 2 for primary cooling, the water flow sprayed on the film body flows into the water tank along the film body, and the film body enters water tank 1 for secondary cooling.After the film is cooled, the air blown out of the air outlet 301 blows towards the film body, so that the water droplets roll down along the film body.

[0030] In this embodiment, as Fig. 5As shown in the figure, the water jacket 2 is arranged on the water jacket support plate 9, the middle part of the water jacket support plate 9 is provided with a water jacket mounting hole position 901, the water jacket 2 is fixed in the water jacket mounting hole position 901 through bolts, the periphery of the water jacket support plate 9 is provided with a plurality of water jacket support rods 902, the lower end of the water jacket support rod 902 is connected with the water tank 1, the upper end of the water jacket support rod 902 is a threaded segment, and two nuts for clamping the water jacket support plate 9 up and down are connected on the threaded segment.

[0031] In the embodiment, as shown in the figure, Fig. 6 As shown in the figure, the air jacket 3 is arranged on the air jacket support plate 10, the middle part of the air jacket support plate 10 is provided with an air jacket mounting hole position 1001, the air jacket 3 is fixed in the air jacket mounting hole position 1001 through bolts, the periphery of the air jacket support plate 10 is provided with a plurality of air jacket support rods 1002, the lower end of the air jacket support rod 1002 is connected with the water tank 1, the upper end of the air jacket support rod 1002 is a threaded segment, and two nuts for clamping the air jacket support plate 10 up and down are connected on the threaded segment.

[0032] The above-described embodiments are only used to describe the preferred modes of the present application, and do not limit the scope of the present application, and various modifications and improvements of the technical scheme of the present application made by those skilled in the art without departing from the design spirit of the present application shall fall within the protection scope of the present application.

Claims

1. A packaging film blown film body cooling pool comprising a water tank (1), the top of the water tank (1) is an open structure, characterized in that: The upper part of the water tank (1) is provided with a water jacket (2) and an air jacket (3), both of which are cavity structures; A plurality of water spraying holes (201) are arranged on the inner wall of the water jacket (2), and a water jacket water inlet (202) is arranged on the outer wall of the water jacket (2), the water jacket water inlet (202) is communicated with the water tank (1) through a water pipe (4), and a water pump (5) is arranged on the water pipe (4); A plurality of air outlet holes (301) are arranged on the inner wall of the air jacket (3), and an air inlet (302) is arranged on the outer wall of the air jacket (3), the air inlet (302) is connected with a fan (7) through an air pipe (6); Two driving rollers (8) rotating synchronously are arranged in the water tank (1), and the two driving rollers (8) correspond to the water jacket (2) and the air jacket (3) above respectively.

2. The package film blown film body cooling bath of claim 1, wherein: A water tank water inlet (101) and a water tank water outlet (102) are arranged at the bottom of the water tank (1).

3. The package film blown film body cooling bath of claim 1, wherein: The water jacket (2) is arranged on a water jacket supporting plate (9), the middle part of the water jacket supporting plate (9) is provided with a water jacket mounting hole (901), and the periphery of the water jacket supporting plate (9) is provided with a plurality of water jacket supporting rods (902), and the lower end of the water jacket supporting rod (902) is connected with the water tank (1).

4. The package film blown film body cooling bath of claim 1, wherein: The air jacket (3) is arranged on an air jacket supporting plate (10), the middle part of the air jacket supporting plate (10) is provided with an air jacket mounting hole (1001), and the periphery of the air jacket supporting plate (10) is provided with a plurality of air jacket supporting rods (1002), and the lower end of the air jacket supporting rod (1002) is connected with the water tank (1).

5. The package film blown film body cooling bath of claim 1, wherein: The ends of the two driving rollers (8) are drivingly connected through a chain (801), and one of the driving rollers (8) is drivingly connected with the power output shaft of a driving motor (802).

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