Hot air circulation structure of heat shrink packaging machine

Abstract

A hot air circulation structure of a heat shrink packaging machine is characterized in that a through channel is arranged on a main machine, two ends of a conveyor belt penetrate through the channel and are arranged outside the channel, and a material conveying line is formed above the conveyor belt and the channel; the curtain body assembly is arranged at a channel opening, a lower cavity is arranged at the lower end of the channel, a fan is arranged on the material inlet side of the lower cavity, the air outlet side of the fan faces the lower cavity, a heating assembly is arranged in the lower cavity, and an air outlet of the lower cavity is located below the conveying belt. The device has the advantages that the hot air circulation effect is achieved through the fan, and energy is saved; the wind shield can adjust the size and opening and closing of the air outlet of the lower chamber; the design of the air outlet channel and the air deflector can guide hot air to the side face and the upper portion of the material to keep the consistent heat shrinkage effect of the material.

Description

Technical Field

[0001] The utility model relates to a hot air circulation structure of a heat shrinkable packaging machine. Background Art

[0002] After the existing heat shrinkable packaging machine packs an article and the article enters the heat shrinkable packaging machine, the hot air guidance is not easy to control, and the hot air circulation is average, resulting in an unsatisfactory shrinking effect and waste of energy. Content of the Utility Model

[0003] To solve the above problems, a hot air circulation structure of a heat shrinkable packaging machine is specifically made.

[0004] To achieve the above object, the utility model is solved by the following technical solutions: a hot air circulation structure of a heat shrinkable packaging machine, including a main machine, a conveyor belt, a heating component, a blower, a lower chamber and a curtain body component. A through channel is provided on the main machine. Both ends of the conveyor belt pass through the channel and are arranged outside the channel. The area above the conveyor belt and the channel form a material conveying line. The curtain body component is arranged at the channel opening. A lower chamber is provided at the lower end of the channel. A blower is provided on the material inlet side of the lower chamber, and the air outlet side of the blower faces the lower chamber. A heating component is provided in the lower chamber, and the air outlet of the lower chamber is located below the conveyor belt.

[0005] Further, the conveyor belt is composed of a plurality of independent rollers.

[0006] Further, air outlet channels are further provided on the front and rear sides of the lower chamber, and air guiding plates with adjustable angles are provided above the air outlet channels.

[0007] Further, a wind shield is provided at the air outlet of the lower chamber to close and open the air outlet of the lower chamber.

[0008] Further, the air suction port of the blower is located above the lower chamber.

[0009] Further, the air guiding plate is arc-shaped, arranged on a long strip shaft, and one end of the long strip shaft extends outside the main machine.

[0010] Further, the blower is a centrifugal blower.

[0011] The advantages of the utility model are as follows: the effect of hot air circulation is achieved through the setting of the blower to save energy; the wind shield can adjust the size and opening and closing of the air outlet of the lower chamber; the design of the air outlet channel and the air guiding plate can guide the hot air to the side and above of the material to keep the heat shrinkage effect of the material consistent. Description of the Drawings

[0012] Figure 1 For structural illustration Figure I 。

[0013] Figure 2 For structural illustrationFigure II 。

[0014] Figure 3 For structural schematic Figure III 。

[0015] Figure 4 It is a side view.

[0016] Figure 5 It is a sectional view. Specific implementation mode

[0017] Next, in combination with the attached drawings in the embodiments of the present invention Figures 1-5 The technical solutions in the embodiments of the present invention will be clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.

[0018] Embodiment 1 A hot air circulation structure of a heat shrink packaging machine, including a main machine 1, a conveyor belt 2, a heating component 3, a fan 4, a lower chamber 5 and a curtain body component 6. A through channel 7 is provided on the main machine. Both ends of the conveyor belt pass through the channel and are arranged outside the channel. The upper part of the conveyor belt and the channel form a material conveying line; the curtain body component is arranged at the channel opening. A lower chamber is provided at the lower end of the channel. A fan is provided on the material inlet side of the lower chamber. The air outlet 9 side of the fan faces the lower chamber. A heating component is provided in the lower chamber. The air outlet of the lower chamber is located below the conveyor belt.

[0019] A hot air circulation structure of a heat shrink packaging machine, and the conveyor belt is composed of a number of independent rollers.

[0020] A hot air circulation structure of a heat shrink packaging machine. Air outlet channels 8 are further provided on the front and rear sides of the lower chamber. Air guiding plates with adjustable angles are provided above the air outlet channels. The design of the air outlet channels and the air guiding plates can guide the hot air to the sides and above of the material to keep the heat shrinkage effect of the material consistent

[0021] A hot air circulation structure of a heat shrink packaging machine. A wind deflector 12 for closing and opening the air outlet 13 of the lower chamber is provided at the air outlet of the lower chamber. The wind deflector can adjust the size and opening and closing of the air outlet of the lower chamber. Both sides of the wind deflector are movably arranged at the lower end of the air outlet of the lower chamber. Both sides of the wind deflector are arranged in the corresponding moving tracks.

[0022] A hot air circulation structure of a heat shrink packaging machine, and the air suction port 11 of the fan is located above the lower chamber.

[0023] A hot air circulation structure of a heat shrink packaging machine, and the air guiding plate is arc-shaped and is arranged on a long strip shaft 10. One end of the long strip shaft leaks outside the main machine.

[0024] A hot air circulation structure of a heat shrink packaging machine, and the fan is a centrifugal fan.

[0025] A hot air circulation structure of a heat shrink packaging machine, where the air outlet side of the fan faces the lower chamber, the air suction port of the fan is located above the lower chamber, and the setting of the air outlet cooperates to form a figure-eight hot air circulation, saving energy.

[0026] A hot air circulation structure of a heat shrink packaging machine, with an observation window provided on the main machine.

[0027] A hot air circulation structure of a heat shrink packaging machine, with a housing further provided outside both ends of the channel.

[0028] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above exemplary embodiments, and without departing from the spirit or basic characteristics of the present utility model, the present utility model can be implemented in other specific forms. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, it is intended to embrace all changes falling within the meaning and scope of the equivalent elements of the claims in the present utility model.

Claims

1. A hot air circulation structure of a heat shrink packaging machine, comprising a main machine (1), a conveyor belt (2), a heating component (3), a fan (4), a lower chamber (5) and a curtain body component (6), wherein a through channel (7) is provided on the main machine, both ends of the conveyor belt pass through the channel and are arranged outside the channel, and the upper part of the conveyor belt and the channel constitute a material conveying line; the curtain body component is arranged at the channel opening, characterized in that: A lower chamber is provided at the lower end of the channel. A fan is provided at the material inlet side of the lower chamber. The fan outlet (9) faces the lower chamber. A heating component is provided in the lower chamber. The outlet of the lower chamber is located below the conveyor belt.

2. The hot air circulation structure of a heat shrink packaging machine according to claim 1, characterized in that: The conveyor belt consists of several independent rollers.

3. The hot air circulation structure of a heat shrink packaging machine according to claim 1, characterized in that: The front and rear sides of the lower chamber are also provided with air outlet channels (8), and an air guide plate with an adjustable angle is provided above the air outlet channels.

4. The hot air circulation structure of a heat shrink packaging machine according to claim 1, characterized in that: A windshield (12) capable of closing and opening the air outlet (13) of the lower chamber is provided at the air outlet of the lower chamber.

5. The hot air circulation structure of a heat shrink packaging machine according to claim 1, characterized in that: The air suction port (11) of the fan is located above the lower chamber.

6. The hot air circulation structure of a heat shrink packaging machine according to claim 3, characterized in that: The air guide plate is arc-shaped and is arranged on a long shaft (10), and one end of the long shaft is exposed outside the main machine.

7. The hot air circulation structure of a heat shrink packaging machine according to claim 5, characterized in that: The fan is a centrifugal fan.

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