An apparatus for producing a plant foamed packaging article

Abstract

A kind of production plant foamed packaging product device, it includes: outer cylinder;Inner stirring shaft, rotation is connected to the inner side of the outer cylinder, and with outer cylinder opposite rotation;Multiple arc pieces, along the circumferential array is fixed to the inner wall of the outer cylinder, the concave surface of each arc piece faces the direction of rotation of the outer cylinder;First guide, interval is arranged in the space defined by the arc piece;Second guide, interval is arranged in the space defined by the arc piece adjacent to the first guide;The utility model novel structure, clever design, first guide guides material along first axial movement, second guide guides material along the second axial movement opposite to first axial movement, the alternate action of both, material moves back and forth in axial, effectively avoid that material gathers in one end in device, ensure that material can be evenly treated in the whole outer cylinder inside.

Description

Technical Field

[0001] This utility model relates to a packaging product device, specifically a device for producing plant foam packaging products. Background Technology

[0002] With the growing popularity of environmental protection concepts, plant-based foamed packaging products made from plant fibers and other raw materials are gradually becoming an ideal alternative to traditional plastic packaging products due to their advantages such as biodegradability and environmental friendliness. Their application demand in the food, electronics, logistics and other fields is constantly increasing.

[0003] The production of plant-based foamed packaging products typically involves key steps such as material mixing, extrusion plasticizing, and thermoforming. The corresponding production equipment mainly consists of a mixer, an extruder, and a thermoforming machine. Among these, the mixer, as the core equipment for material pretreatment, directly affects the product quality in subsequent extrusion and molding stages.

[0004] Currently, the following problems often exist in the mixing machines on the market when processing plant foaming raw materials: On the one hand, the stirring structure of some mixers is not reasonably designed, and the materials are difficult to be fully turned and stirred during the mixing process, resulting in poor material mixing uniformity. Some are equipped with relatively rotating stirring and turning structures, but the material mixing uniformity in the axial direction is insufficient, and the mixing efficiency needs to be improved. Utility Model Content

[0005] In view of the above situation and to overcome the defects of the prior art, this utility model provides a device for producing plant foam packaging products, which effectively solves the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: This utility model includes:

[0007] outer roller;

[0008] The inner stirring shaft is rotatably connected to the inner side of the outer drum and rotates relative to the outer drum;

[0009] Multiple arc-shaped pieces are fixed to the inner wall of the outer roller in a circumferential array, with the concave surface of each arc-shaped piece facing the rotation direction of the outer roller;

[0010] The first guide element is spaced apart within the space defined by the arc-shaped piece;

[0011] The second guide is spaced apart within the space defined by the arc-shaped piece adjacent to the first guide;

[0012] The first guide is used to guide the material to move along a first axis when the arc-shaped plate drives the material to rotate, and the second guide is used to guide the material to move along a second axis opposite to the first axis when the arc-shaped plate drives the material to rotate.

[0013] Preferably, both the first guide and the second guide are inclined baffles, and the inclination angle is 15°-30°, and the inclination direction is symmetrically arranged.

[0014] Preferably, the first guide and the second guide are located at the bottom of the arc-shaped plate that rotates to carry the material.

[0015] Preferably, the radius of curvature R of the arc-shaped piece satisfies: 0.2D≤R≤0.5D, where D is the inner diameter of the outer roller.

[0016] Preferably, the surface array of the inner stirring shaft is provided with a plurality of stirring blades.

[0017] Preferably, the rotational speed V1 of the inner stirring shaft and the rotational speed V2 of the outer drum satisfy the following condition: 1.5 ≤ V1 / V2 ≤ 3.

[0018] Beneficial effects: Optimizes axial movement of materials and avoids aggregation: The first guide guides the material to move along the first axis, and the second guide guides the material to move along the second axis opposite to the first axis. The two work alternately to make the material move back and forth in the axis, which effectively avoids the material from aggregating at one end of the device and ensures that the material is uniformly processed throughout the entire outer drum. Attached Figure Description

[0019] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0020] Figure 1 This is a schematic diagram of the overall three-dimensional structure of this utility model;

[0021] Figure 2 This is a schematic diagram of the exploded structure of this utility model;

[0022] Figure 3 This is a cross-sectional view of the present invention;

[0023] The following are the labels in the diagram: 1. Outer drum; 2. Inner stirring shaft; 21. Stirring blade; 3. Arc-shaped blade; 4. First guide component; 5. Second guide component. Detailed Implementation

[0024] The following is in conjunction with the appendix Figure 1-3 The specific embodiments of this utility model will be described in further detail.

[0025] Example 1, by Figure 1-3 This utility model provides an apparatus for producing plant-based foamed packaging products, comprising:

[0026] Outer roller 1;

[0027] The inner stirring shaft 2 is rotatably connected to the inner side of the outer drum 1 and rotates relative to the outer drum 1;

[0028] Multiple arc-shaped pieces 3 are fixed to the inner wall of the outer roller 1 in a circumferential array, with the concave surface of each arc-shaped piece 3 facing the rotation direction of the outer roller 1;

[0029] The first guide 4 is spaced apart within the space defined by the arc-shaped piece 3;

[0030] The second guide 5 is spaced apart within the space defined by the arc-shaped piece 3 adjacent to the first guide 4;

[0031] The first guide 4 is used to guide the material to move along the first axis when the arc-shaped plate 3 drives the material to rotate, and the second guide 5 is used to guide the material to move along the second axis opposite to the first axis when the arc-shaped plate 3 drives the material to rotate.

[0032] Outer roller 1: As the main external component of the device, it provides space for the installation and operation of various internal components. Its inner diameter is D. It is an important place for material handling during the operation of the device. A gear ring can be installed on the outside of the outer roller 1 and driven by a motor (not shown in the figure).

[0033] The inner stirring shaft 2 is rotatably connected to the inner side of the outer drum 1 and rotates relative to the outer drum 1. It is also connected to an external motor. The surface of the inner stirring shaft 2 is arrayed with several stirring blades 21. These blades 21 stir the material during the shaft's rotation, enhancing the mixing effect. The rotational speed of the inner stirring shaft 2 is V1, and its speed relative to the outer drum 1, V2, satisfies 1.5 ≤ V1 / V2 ≤ 3. This speed ratio ensures a suitable relative motion between the inner stirring shaft and the outer drum, which is beneficial for thorough mixing of the material while avoiding the negative impact on material processing efficiency due to excessively large or small speed differences.

[0034] Stirring blades 21: The array is set on the surface of the inner stirring shaft 2. When the inner stirring shaft 2 rotates, the blades move together with the shaft to further stir and mix the material, making the material more evenly heated and mixed.

[0035] Arc-shaped plates 3: Multiple arc-shaped plates 3 are fixed to the inner wall of the outer roller 1 in a circumferential array, with the concave surface of each arc-shaped plate 3 facing the rotation direction of the outer roller 1. The radius of curvature R of the arc-shaped plates 3 satisfies 0.2D≤R≤0.5D (where D is the inner diameter of the outer roller 1). This range of radius of curvature can better coordinate with the rotation of the outer roller to drive the material movement, and the material will be sprinkled when the arc-shaped plates 3 rotate to the top, thus improving the material handling efficiency.

[0036] The first guide 4 is spaced apart within the space defined by the arc-shaped plate 3 and located at the bottom of the arc-shaped plate 3 where it rotates and carries the material. The first guide 4 is an inclined guide plate with an inclination angle of 15°-30°. Its function is to guide the material to move along the first axial direction when the arc-shaped plate 3 drives the material to rotate, thereby improving the uniformity of material mixing in the axial direction.

[0037] The second guide 5 is spaced apart within the space defined by the arc-shaped plate 3 adjacent to the first guide 4, and is also located at the bottom of the arc-shaped plate 3 that rotates and carries the material. The second guide 5 is also an inclined guide plate with an inclination angle of 15°-30°, and is symmetrically arranged with respect to the inclination direction of the first guide 4. Its function is to guide the material to move along a second axis opposite to the first axis when the arc-shaped plate 3 drives the material to rotate, thereby improving the axial mixing uniformity of the material and preventing the material from accumulating at one end.

[0038] Working Principle: In use, the outer drum 1 rotates at a speed of V2 driven by an external motor, while the inner stirring shaft 2 rotates at a speed of V1 driven by another external motor, with 1.5 ≤ V1 / V2 ≤ 3. This speed ratio ensures a suitable relative motion between the two. Multiple arc-shaped plates 3 on the inner wall of the outer drum 1 rotate together with it. Since the concave surfaces of each arc-shaped plate 3 face the rotation direction of the outer drum 1, the arc-shaped plates 3 effectively drive the material upwards during rotation. When the material reaches the top, it spills off the arc-shaped plates 3, increasing the tumbling effect. Meanwhile, the stirring blades 21 on the surface of the inner stirring shaft 2 rotate with the shaft, further stirring the material and enhancing the mixing uniformity.

[0039] During the rotation of the material driven by the arc-shaped plate 3, the first guide 4 and the second guide 5 play a crucial axial guiding role. The first guide 4, as a guide plate with an inclination angle of 15°-30°, is located at the bottom of the arc-shaped plate 3 that carries the material. When the arc-shaped plate 3 drives the material to rotate through the space defined by the arc-shaped plate 3, the first guide 4 guides the material to move along the first axial direction. The second guide 5, located in the space defined by the adjacent arc-shaped plate 3, is also a guide plate with an inclination angle of 15°-30° and is symmetrical to the inclination direction of the first guide 4. When the arc-shaped plate 3 drives the material to rotate through, it guides the material to move along the second axial direction, which is opposite to the first axial direction.

[0040] In this way, while the material rotates with the outer drum 1 and is stirred by the inner stirring shaft 2, it also moves back and forth along the axial direction under the alternating action of the first guide 4 and the second guide 5. This not only greatly improves the uniformity of material mixing in the axial direction and prevents material from gathering at one end, but also allows the material to be fully and comprehensively processed inside the entire outer drum 1, providing a good material mixing basis for the production of plant foam packaging products.

[0041] Beneficial effects: Improved material mixing uniformity: The arc-shaped plates 3 on the inner wall of the outer roller 1 move the material as the roller rotates. When the roller rotates to the top, the material is sprinkled down, which further enhances the turning and mixing effect of the material.

[0042] Optimize the axial movement of materials and avoid aggregation: The first guide 4 guides the material to move along the first axis, and the second guide 5 guides the material to move along the second axis opposite to the first axis. The two work alternately to make the material move back and forth in the axis, which effectively avoids the material from accumulating at one end in the device and ensures that the material is uniformly processed throughout the entire outer roller 1.

[0043] Improve material handling efficiency: The radius of curvature R of the arc plate 3 satisfies 0.2D≤R≤0.5D (D is the inner diameter of the outer roller 1). This design can better cooperate with the rotation of the outer roller 1 to drive the material movement, improve the material movement efficiency, and thus improve the material handling efficiency of the entire device, providing efficient material handling guarantee for the production of plant foam packaging products.

[0044] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. An apparatus for producing plant-based foamed packaging products, characterized in that, include: Outer roller (1); The inner stirring shaft (2) is rotatably connected to the inner side of the outer drum (1) and rotates relative to the outer drum (1); Multiple arc-shaped pieces (3) are fixed to the inner wall of the outer roller (1) in a circumferential array, with the concave surface of each arc-shaped piece (3) facing the rotation direction of the outer roller (1); The first guide (4) is spaced apart within the space defined by the arc-shaped piece (3); The second guide (5) is spaced apart within the space defined by the arc-shaped piece (3) adjacent to the first guide (4); The first guide (4) is used to guide the material to move along the first axis when the arc-shaped plate (3) drives the material to rotate, and the second guide (5) is used to guide the material to move along the second axis opposite to the first axis when the arc-shaped plate (3) drives the material to rotate.

2. The apparatus for producing plant-based foamed packaging products according to claim 1, characterized in that: The first guide (4) and the second guide (5) are both inclined guide plates, and the inclination angle is 15°-30°, and the inclination direction is symmetrically arranged.

3. The apparatus for producing plant-based foamed packaging products according to claim 1, characterized in that: The first guide (4) and the second guide (5) are located at the bottom of the arc-shaped plate (3) that rotates to carry the material.

4. The apparatus for producing plant-based foamed packaging products according to claim 1, characterized in that: The radius of curvature R of the arc-shaped piece (3) satisfies: 0.2D≤R≤0.5D, where D is the inner diameter of the outer roller (1).

5. The apparatus for producing plant-based foamed packaging products according to claim 1, characterized in that: The surface array of the inner stirring shaft (2) is provided with a number of stirring blades (21).

6. The apparatus for producing plant-based foamed packaging products according to claim 1, characterized in that: The rotational speed V1 of the inner stirring shaft (2) and the rotational speed V2 of the outer drum (1) satisfy: 1.5≤V1 / V2≤3.

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