Food packaging film processing material extrusion device

By introducing a preheated feed structure of a preheating cylinder and an electric heating fan into the packaging film processing device, the problem of residual material in the extrusion equipment is solved, and the full melting of the material and the increase of the extrusion amount are achieved.

CN223252307UActive Publication Date: 2025-08-22ANHUI XINZHISHENG PLASTIC TECH CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202422439140.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-09
Publication Date
2025-08-22
Estimated Expiration
2034-10-09

AI Technical Summary

Technical Problem

In the prior art, the packaging film material is heated and melted before entering the extrusion equipment, which easily causes the molten material to remain in the furnace to cause the problem of reducing the extrusion amount.

Method used

The preheated feed structure consisting of a preheating cylinder and an electric heating air mechanism is adopted to transfer hot air to the material through the guide plate and exhaust net port, thereby realizing preheating heating of the material, avoiding premature melting of the material and improving the melting effect of the extrusion device.

Benefits of technology

The material is fully melted, avoiding the residue of the material in the extrusion device, and improving the extrusion amount and heating and melting effect.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223252307U_ABST
    Figure CN223252307U_ABST
Patent Text Reader

Abstract

The utility model provides a food packaging film processing material extrusion device, which relates to the field of food packaging film processing, and comprises a packaging film extruder body, a preheating cylinder and a material bin, the upper end of the packaging film extruder body is connected with the material bin through the preheating cylinder, the preheating cylinder is fixed on the cylinder surface of the upper end of the packaging film extruder body, and the material bin is connected with the material bin through the preheating cylinder. An electric heating fan is connected to the right side of the preheating cylinder through an air supply pipe, material guide plates are welded to the inner walls of the left side and the right side of the preheating cylinder, the inner sides of the material guide plates communicate with an air supply channel of the preheating cylinder through hot air cavities, heat conduction panels are arranged on the upper end faces of the material guide plates, and air exhaust net openings are formed in the inclined faces of the lower ends of the material guide plates. The utility model solves the problem that in the prior art, a packaging film material is heated and melted before entering extrusion equipment, so that the melted material is easy to remain in a furnace, and the extrusion amount is reduced.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of food packaging film processing, in particular to a food packaging film processing material extrusion device. Background Art

[0002] Food packaging film is a polymer material used to wrap the surface of food, mainly to isolate the entry of decomposing microorganisms and foreign pollutants, and prevent and prolong the deterioration of food. Food packaging film is a mixture of different types of polymers or additives in a certain proportion and added to the extrusion device. It is extruded under the action of high temperature and high pressure, and then the extruded material is shaped. After searching, the prior art (Announcement No.: CN202223384735.8) is a hot melt extruder for packaging film processing. The article records that "the hot melt extruder for packaging film processing is installed on the sealing cover, and the servo motor is driven by the servo motor to produce a hot melt extruder. The rotating rod is driven to rotate, and the stirring rod installed on the rotating rod is driven to rotate, so as to rotate and stir the raw materials. At the same time, the rotating rod drives the scraper to rotate through the mounting rod. The scraper contacts and rotates with the inner wall of the hot melting furnace, and the heated raw materials are hung and turned. At the same time, the raw materials are stirred in conjunction with the stirring rod, thereby preventing the raw materials in contact with the inner wall of the melting furnace from being filtered, heated and burnt, and the raw materials inside can be fully stirred and melted. However, in the prior art, the packaging film material is heated and melted before entering the extrusion equipment, which easily causes the molten material to remain in the furnace, resulting in a reduced extrusion volume. Utility Model Content

[0003] In order to overcome the defects of the existing technology, a food packaging film processing material extrusion device is now provided to solve the problem that in the existing technology, the packaging film material is heated and melted before entering the extrusion equipment, which easily causes the molten material to remain in the furnace and reduce the extrusion volume.

[0004] To achieve the above object, a food packaging film processing material extrusion device is provided, comprising: a packaging film extrusion body, a preheating cylinder and a material bin, wherein the upper end of the packaging film extrusion body is connected to the material bin via the preheating cylinder.

[0005] A preheating cylinder is fixed to the upper end cylinder surface of the packaging film extruder body, and an electric heating fan is connected to the right side of the preheating cylinder through an air supply pipe. Guide plates are welded to the inner walls of the left and right sides of the preheating cylinder, and the inner side of the guide plate is connected to the air supply channel of the preheating cylinder through a hot air cavity. A heat-conducting panel is provided on the upper end surface of the guide plate, and an exhaust mesh port is provided on the inclined surface of the lower end of the guide plate.

[0006] Furthermore, the outer cylinder surface of the packaging film extruder is wrapped with a heat-insulating shell, a motor is fixed on the left side of the packaging film extruder body, and a discharge port is provided on the right side of the packaging film extruder body.

[0007] Furthermore, a spiral extrusion mechanism is connected to the barrel of the packaging film extruder through a motor shaft, a base is welded to the lower end of the packaging film extruder, and an electric heating fan is placed on the surface of the base.

[0008] Furthermore, a heating cavity is provided in the packaging film extrusion machine body barrel, a heater is installed around the cavity surface of the heating cavity, and the lower end of the preheating cylinder is inserted into the packaging film extrusion machine body barrel through a discharge port.

[0009] Furthermore, a material bin is fixedly connected to the upper end of the preheating cylinder, and the material guide plates are arranged in a left-right symmetrical, staggered and tilted manner inside the preheating cylinder.

[0010] Furthermore, an air supply channel is provided inside the preheating cylinder, and the air supply pipe is connected to the hot air cavity on the inner side of the guide plate through the air supply channel.

[0011] Furthermore, the preheating cylinder, air supply channel, electric heating fan, air supply pipe and material guide plate constitute a preheating feeding structure of the packaging film extruder body.

[0012] The beneficial effect of the present invention is that the food packaging film processing material extrusion device of the present invention utilizes a preheating cylinder placed between the material bin and the extrusion device, and delivers hot air to the inner cavity of the guide plate in the preheating cylinder through an electric heating fan, so that the heat conduction panel and the exhaust mesh of the guide plate transfer heat to the packaging film material falling through the surface of the guide plate, so that the temperature of the packaging film material rises but does not melt, thereby realizing a preheating material extrusion device, which is convenient for the extrusion device to melt the packaging film material more fully, avoids premature melting of the material to produce residue, and improves the heating and melting effect of the material extrusion device. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a front structural schematic diagram of a food packaging film processing material extrusion device according to an embodiment of the present utility model.

[0014] Figure 2 This is a schematic front cross-sectional structural diagram of a food packaging film processing material extrusion device according to an embodiment of the present utility model.

[0015] Figure 3 This is a schematic front cross-sectional structural diagram of the preheating cylinder according to an embodiment of the present utility model.

[0016] Figure 4 This is a schematic front cross-sectional structural diagram of a material guide plate according to an embodiment of the present utility model.

[0017] In the figure: 1. Packaging film extruder body; 11. Motor; 12. Base; 13. Insulation shell; 14. Discharge port; 15. Screw extruder mechanism; 16. Heater; 17. Heating chamber; 2. Preheating cylinder; 21. Air supply chute; 22. Discharge port; 3. Material bin; 4. Electric heating fan; 41. Air supply duct; 5. Guide plate; 51. Hot air chamber; 52. Heat conduction panel; 53. Exhaust mesh port. DETAILED DESCRIPTION

[0018] Reference Figures 1 to 4 As shown, the utility model provides a food packaging film processing material extrusion device, comprising: a packaging film extrusion body 1, a preheating cylinder 2 and a material bin 3. The upper end of the packaging film extrusion body 1 is connected to the material bin 3 through the preheating cylinder 2.

[0019] A preheating cylinder 2 is fixed to the upper end surface of the packaging film extruder body 1, and an electric heating fan 4 is connected to the right side of the preheating cylinder 2 through an air supply pipe 41. Guide plates 5 are welded to the inner walls of the left and right sides of the preheating cylinder 2. The inner side of the guide plate 5 is connected to the air supply channel 21 of the preheating cylinder 2 through a hot air cavity 51. A heat conduction panel 52 is provided on the upper end surface of the guide plate 5, and an exhaust mesh port 53 is provided on the inclined surface of the lower end of the guide plate 5.

[0020] During the extrusion process of the food packaging film material, the electric heating fan 4 and the heater 16 in the packaging film extruder body 1 are first turned on, and then the material is poured into the material bin 3, so that the material falls into the preheating cylinder 2 through the material bin 3. The material entering the preheating cylinder 2 slides down along the guide plate 5, and contacts the heat-conducting panel 52 of the guide plate 5 when sliding down, so that the heat is transferred to the material. At the same time, the hot air is discharged from the exhaust mesh port 53 to increase the temperature of the material, and finally falls into the packaging film extruder body 1, and is heated and melted before being extruded through the spiral extrusion mechanism 15.

[0021] In this embodiment, the outer surface of the packaging film extruder body 1 is wrapped with an insulating shell 13. A motor 11 is fixed to the left side of the packaging film extruder body 1, and a discharge port 14 is provided on the right side of the packaging film extruder body 1. A screw extrusion mechanism 15 is connected to the shaft of the motor 11 within the packaging film extruder body 1. A base 12 is welded to the lower end of the packaging film extruder body 1, and an electric heating fan 4 is placed on the surface of the base 12.

[0022] As a preferred embodiment, the heat-insulating outer shell 13 facilitates heat dissipation and reduces heat loss. The motor 11 is used to drive the screw extrusion mechanism 15 to rotate, so that the screw extrusion mechanism 15 conveys the melted food packaging film material to the discharge port 14. The electric heating fan 4 is used to deliver hot air into the preheating cylinder 2.

[0023] In this embodiment, a heating chamber 17 is provided in the packaging film extruder body 1 , and a heater 16 is installed around the surface of the heating chamber 17 . The lower end of the preheating cylinder 2 is inserted into the packaging film extruder body 1 through a discharge port 22 .

[0024] As a preferred embodiment, the heater 16 surrounds the outside of the spiral extrusion mechanism 15 so that heat is transferred from the outside to the center to melt the material entering the barrel, and then the spiral extrusion mechanism 15 extrude the material from the discharge port 14.

[0025] In this embodiment, a material bin 3 is fixedly connected to the upper end of the preheating cylinder 2, and material guide plates 5 are arranged in a bilaterally symmetrical, staggered, and tilted manner within the preheating cylinder 2. An air supply channel 21 is provided within the preheating cylinder 2, and an air supply pipe 41 communicates with a hot air chamber 51 inside the material guide plates 5 through the air supply channel 21.

[0026] As a preferred embodiment, the material bin 3 facilitates the introduction of the mixed food packaging film material into the preheating cylinder 2, so that the material is heated by the guide plate 5 and then falls into the cylinder of the packaging film extrusion body 1, which facilitates the pre-increase of the material temperature and avoids the poor melting effect at the center of the packaging film extrusion body 1 due to heat, which affects the extrusion quality of the food packaging film.

[0027] In this embodiment, the preheating cylinder 2 , the air supply channel 21 , the electric heating fan 4 , the air supply pipe 41 and the material guide plate 5 constitute a preheating feeding structure of the packaging film extruder body 1 .

[0028] As a preferred embodiment, the preheating feeding structure of the packaging film extrusion body 1 facilitates the extrusion device to melt the packaging film material more fully, avoids the material from melting prematurely and producing residues, and improves the heating and melting effect of the material extrusion device.

[0029] The food packaging film processing material extrusion device of the utility model can effectively solve the problem in the prior art that the molten material remains in the furnace and causes the extrusion volume to be reduced. It realizes a material extrusion device with a preheating type, which facilitates the extrusion device to melt the packaging film material more fully, avoids the material from melting too early and producing residues, and improves the heating and melting effect of the material extrusion device. It is suitable for food packaging film processing material extrusion device.

Claims

1. A food packaging film processing material extrusion device, comprising: The packaging film extrusion machine body (1), the preheating cylinder (2) and the material bin (3), wherein the upper end of the packaging film extrusion machine body (1) is connected to the material bin (3) through the preheating cylinder (2), and is characterized in that: A preheating cylinder (2) is fixed to the upper end cylinder surface of the packaging film extruder body (1), and an electric heating blower (4) is connected to the right side of the preheating cylinder (2) through an air supply pipe (41). Guide plates (5) are welded to the inner walls of the left and right sides of the preheating cylinder (2), and the inner side of the guide plate (5) is connected to the air supply channel (21) of the preheating cylinder (2) through a hot air cavity (51). A heat conduction panel (52) is provided on the upper end surface of the guide plate (5), and an exhaust mesh port (53) is provided on the inclined surface of the lower end of the guide plate (5).

2. A food packaging film processing material extrusion device according to claim 1, characterized in that: The outer cylinder surface of the packaging film extrusion machine body (1) is wrapped with a heat-insulating shell (13), a motor (11) is fixed on the left side of the packaging film extrusion machine body (1), and a discharge port (14) is provided on the right side of the packaging film extrusion machine body (1).

3. The food packaging film processing material extrusion device according to claim 1, characterized in that: A spiral extrusion mechanism (15) is connected to the shaft of the motor (11) in the packaging film extrusion machine body (1). A base (12) is welded to the lower end of the packaging film extrusion machine body (1), and an electric heating fan (4) is placed on the surface of the base (12).

4. The food packaging film processing material extrusion device according to claim 1, characterized in that: A heating chamber (17) is provided in the barrel of the packaging film extruder body (1), and a heater (16) is installed around the surface of the heating chamber (17). The lower end of the preheating barrel (2) is inserted into the barrel of the packaging film extruder body (1) through a discharge port (22).

5. The food packaging film processing material extrusion device according to claim 1, characterized in that: A material bin (3) is plugged and fixed to the upper end of the preheating cylinder (2), and the material guide plates (5) are arranged in a left-right symmetrical, staggered and tilted manner inside the preheating cylinder (2).

6. The food packaging film processing material extrusion device according to claim 1, characterized in that: An air supply channel (21) is provided inside the preheating cylinder (2), and the air supply pipe (41) is connected to the hot air cavity (51) inside the guide plate (5) through the air supply channel (21).

7. The food packaging film processing material extrusion device according to claim 1, characterized in that: The preheating cylinder (2), air supply channel (21), electric heating fan (4), air supply pipe (41) and material guide plate (5) constitute the preheating feeding structure of the packaging film extruder body (1).

Citation Information

Patent Citations

  • Hot melt extruder for packaging film processing

    CN219171638U