Edible multilayer composite food packaging film

Abstract

The utility model relates to an edible multi-layer composite food packaging film, which belongs to the field of multi-layer composite food packaging films, and comprises a box body, a protection mechanism is arranged above the box body, the top wall of the inner cavity of the box body is rotatably connected with a wind-up roller, the outer side of the wind-up roller is fixedly provided with a multi-layer composite food packaging film main body, and the outer side of the multi-layer composite food packaging film main body is fixedly provided with a rotating shaft. A composite assembly is arranged in the multi-layer composite food packaging film body, a protection box is slidably connected to the right side of the box body, a sawtooth strip is fixed to the right side of the box body, and a connecting column is rotationally connected to the top end of the box body. According to the edible multi-layer composite food packaging film, the multi-layer composite food packaging film body is pulled out, a toothed plate moves towards the back side and extrudes a spring, at the moment, the toothed plate drives a protection box to move towards the back side and enables a sawtooth strip to be exposed, the sawtooth strip is used for tearing off the multi-layer composite food packaging film body, and the spring starts to reset after tearing off; and the protection box shields and protects the saw tooth strip again, and the use safety of the saw tooth strip is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of multi-layer composite food packaging films, in particular to an edible multi-layer composite food packaging film. Background Art

[0002] With the development of science and technology, people's living standards have improved accordingly. In order to adapt to the rapid development of society and not be eliminated by society, people's pace of life has accelerated, and various convenience foods have become more and more popular. Various edible convenience foods such as cakes, steamed buns and vegetables are more common on the market. In order to ensure the freshness of food, edible multi-layer composite food packaging films are usually required.

[0003] However, currently, when using food packaging film, it is usually rolled up on the outside of the winding roller and placed inside the storage box, and a serrated strip is fixed on the back side to facilitate tearing the food wrap. However, during use, since there is no protective structure on the outside of the serrated strip, children may be easily injured. Therefore, the present application proposes an edible multi-layer composite food packaging film to solve the above problem. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides an edible multi-layer composite food packaging film, which has the advantage of improving safety in use and solves the problem that there is no protective structure on the outer side of the serrated strip, which can easily cause injuries to children.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an edible multi-layer composite food packaging film, comprising a box body, a protective mechanism is arranged on the top of the box body, a winding roller is rotatably connected to the top wall of the inner cavity of the box body, a multi-layer composite food packaging film body is fixed on the outside of the winding roller, a composite component is arranged inside the multi-layer composite food packaging film body, a protective box is slidably connected to the right side of the box body, a sawtooth bar is fixed on the right side of the box body, and a connecting column is rotatably connected to the top of the box body;

[0006] The protection mechanism comprises a first gear fixed on the outside of the connecting column, a second gear meshed on the right side of the first gear, a toothed plate meshed on the right side of the second gear, a spring fixed on the back side of the toothed plate, a fixing block fixed on the back side of the spring, and a positioning rod fixed on the back side of the toothed plate;

[0007] The composite component comprises a heat sealing layer, an environmental protection layer and a protective layer, and the heat sealing layer, the environmental protection layer and the protective layer are bonded in sequence from the outside to the inside.

[0008] Furthermore, the toothed plate is fixed on the upper surface of the protection box, and the sawtooth bar is located inside the protection box.

[0009] Furthermore, the spring is sleeved on the outer side of the positioning rod, and the back side of the positioning rod passes through the front side of the fixing block and extends to the back side of the fixing block.

[0010] Furthermore, a movable column is fixed inside the second gear, the movable column is rotatably connected to the upper surface of the box body through a bearing, and the fixed block is fixed to the upper surface of the box body.

[0011] Furthermore, the heat-sealing layer is a cast polypropylene film layer, and the environmentally friendly layer is a polyethylene oxide film layer.

[0012] Furthermore, the protective layer is a PE protective film layer.

[0013] Furthermore, a box cover is installed on the lower surface of the box body, a cross groove extending to its bottom end is opened on the upper surface of the winding roller, and the inner top wall of the box body is rotatably connected to a cross column fixedly connected to the connecting column, and the cross column and the cross groove are gap-matched.

[0014] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0015] 1. The edible multi-layer composite food packaging film is used to pull out the main body of the multi-layer composite food packaging film, so that the tooth plate starts to move toward the back side and squeezes the spring. At this time, the tooth plate drives the protection box to move toward the back side and exposes the sawtooth bar. At this time, the sawtooth bar can be used to tear the main body of the multi-layer composite food packaging film. After tearing, the spring starts to reset, so that the protection box can cover and protect the sawtooth bar again, thereby improving its safety in use.

[0016] 2. The edible multi-layer composite food packaging film has the characteristics of excellent transparency, uniform thickness, and uniform performance in the longitudinal and transverse directions due to the composition of various materials in the composite components, and has environmentally friendly characteristics such as safe and convenient use, and also has certain wear-resistant protection functions. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 This is a top view of the protection mechanism of the utility model;

[0019] Figure 3 It is a schematic diagram of the composite component of the utility model.

[0020] In the figure: 1 box body, 2 protection mechanism, 201 first gear, 202 second gear, 203 tooth plate, 204 spring, 205 fixing block, 206 positioning rod, 3 protection box, 4 composite component, 401 heat sealing layer, 402 environmental protection layer, 403 protection layer, 5 sawtooth bar, 6 multi-layer composite food packaging film body, 7 connecting column. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1 In this embodiment, an edible multi-layer composite food packaging film comprises a box body 1, a protective mechanism 2 is arranged above the box body 1, a top wall of the inner cavity of the box body 1 is rotatably connected with a winding roller, a multi-layer composite food packaging film body 6 is fixed to the outside of the winding roller, a composite component 4 is arranged inside the multi-layer composite food packaging film body 6, a protective box 3 is slidably connected to the right side of the box body 1, a serrated bar 5 is fixed to the right side of the box body 1, a connecting column 7 is rotatably connected to the top of the box body 1, and the serrated bar 5 is located in the protective box 3.

[0023] A box cover is installed on the lower surface of the box body 1, and a cross groove extending to its bottom end is opened on the upper surface of the winding roller. A cross column fixedly connected to the connecting column 7 is rotatably connected to the inner top wall of the box body 1, and the cross column and the cross groove are gap-matched.

[0024] See also Figure 2 In order to improve its safety in use, the protection mechanism 2 in this embodiment includes a first gear 201 fixed to the outside of the connecting column 7, a second gear 202 is meshed on the right side of the first gear 201, a toothed plate 203 is meshed on the right side of the second gear 202, a spring 204 is fixed on the back side of the toothed plate 203, a fixing block 205 is fixed on the back side of the spring 204, and a positioning rod 206 is fixed on the back side of the toothed plate 203.

[0025] The toothed plate 203 is fixed to the upper surface of the protection box 3, and the spring 204 is sleeved on the outer side of the positioning rod 206. The back side of the positioning rod 206 passes through the front side of the fixing block 205 and extends to the back side of the fixing block 205. A movable column is fixed inside the second gear 202, which pulls the multi-layer composite food packaging film body 6 outward. At this time, the connecting column 7 starts to rotate, and drives the first gear 201 to rotate, and drives the second gear 202 to rotate, so that the toothed plate 203 starts to move toward the back side and squeezes the spring 204. At this time, the toothed plate 203 drives the protection box 3 to move toward the back side and exposes the sawtooth bar 5. At this time, the sawtooth bar 5 can be used to tear the multi-layer composite food packaging film body 6. The movable column is rotatably connected to the upper surface of the box body 1 through the bearing, and the fixed block 205 is fixed on the upper surface of the box body 1. When the multi-layer composite food packaging film body 6 is torn, the spring 204 starts to reset, so that the protection box 3 blocks and protects the sawtooth bar 5 again, thereby improving its safety in use.

[0026] It should be noted that, when the multi-layer composite food packaging film main body 6 is moved, the tooth plate 203 starts to move toward the back side and squeezes the spring 204. At this time, the tooth plate 203 drives the protection box 3 to move toward the back side and exposes the serrations 5. At this time, the serrations 5 can be used to tear the multi-layer composite food packaging film main body 6. After tearing, the spring 204 starts to reset, so that the protection box 3 covers and protects the serrations 5 again, thereby improving its safety in use.

[0027] See also Figure 3 In order to improve its performance, the composite component 4 in this embodiment includes a heat sealing layer 401, an environmental protection layer 402 and a protective layer 403, and the heat sealing layer 401, the environmental protection layer 402 and the protective layer 403 are bonded in sequence from the outside to the inside.

[0028] In this example, the heat sealing layer 401 is a cast polypropylene film layer, which is composed of the cast polypropylene film of the heat sealing layer 401. The cast polypropylene film has excellent transparency, uniform thickness, and uniform performance in the longitudinal and transverse directions. It is generally used as the inner layer material of the composite film. The environmental protection layer 402 is a polyethylene oxide film layer, which is composed of the polyethylene oxide film of the environmental protection layer 402. It has the functions and characteristics of traditional plastics, and can be split and degraded in the natural environment after reaching its service life through the action of microorganisms in the soil and water or through the action of ultraviolet rays in the sun, and finally re-enter the ecological environment in a reduced form and return to nature. It has environmental protection characteristics such as thorough degradation and safe and convenient use. The protective layer 403 is a PE protective film layer. The PE protective film of the protective layer 403 makes the edible multi-layer composite food packaging film have a certain wear-resistant protection function.

[0029] It should be noted that, through the composition of each material in the composite component 4, the edible multi-layer composite food packaging film has the characteristics of excellent transparency, uniform thickness, and uniform performance in the longitudinal and transverse directions, and has environmentally friendly characteristics such as safe and convenient use, and also has certain wear-resistant protection functions.

[0030] It is understandable that in the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood through specific circumstances. At the same time, the parts not described in detail in the present invention are all well-known technologies of those skilled in the art.

[0031] The working principle of the above embodiment is:

[0032] (1) When the edible multi-layer composite food packaging film needs to be used, the multi-layer composite food packaging film body 6 is pulled outward, and the connecting column 7 starts to rotate, driving the first gear 201 to rotate, and driving the second gear 202 to rotate, so that the tooth plate 203 starts to move toward the back side and squeezes the spring 204. At this time, the tooth plate 203 drives the protection box 3 to move toward the back side and exposes the serrated bar 5. At this time, the serrated bar 5 can be used to tear the multi-layer composite food packaging film body 6. After tearing, the spring 204 starts to reset, so that the protection box 3 covers the serrated bar 5 again, thereby improving its safety in use.

[0033] (2) The cast polypropylene film of the heat-sealing layer 401 has excellent transparency, uniform thickness, and uniform properties in the longitudinal and transverse directions. It is generally used as the inner layer material of the composite film. The polyethylene oxide film of the environmental protection layer 402 has the functions and characteristics of traditional plastics. After reaching the end of its service life, it can be decomposed and degraded in the natural environment through the action of microorganisms in the soil and water or through the action of ultraviolet rays in the sun, and finally re-enter the ecological environment in a reduced form and return to nature. It has environmental protection characteristics such as thorough degradation and safe and convenient use. The PE protective film of the protective layer 403 makes the edible multi-layer composite food packaging film have a certain wear-resistant protection function.

[0034] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0035] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that many changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention.

Claims

1. An edible multi-layer composite food packaging film, comprising a box body (1), characterized in that: A protective mechanism (2) is provided above the box body (1); a winding roller is rotatably connected to the top wall of the inner cavity of the box body (1); a multi-layer composite food packaging film body (6) is fixed to the outside of the winding roller; a composite component (4) is provided inside the multi-layer composite food packaging film body (6); a protective box (3) is slidably connected to the right side of the box body (1); a sawtooth bar (5) is fixed to the right side of the box body (1); and a connecting column (7) is rotatably connected to the top of the box body (1); The protection mechanism (2) comprises a first gear (201) fixed to the outside of the connecting column (7); a second gear (202) is meshed on the right side of the first gear (201); a toothed plate (203) is meshed on the right side of the second gear (202); a spring (204) is fixed on the back side of the toothed plate (203); a fixing block (205) is fixed on the back side of the spring (204); and a positioning rod (206) is fixed on the back side of the toothed plate (203); The composite component (4) comprises a heat-sealing layer (401), an environmental protection layer (402) and a protective layer (403), wherein the heat-sealing layer (401), the environmental protection layer (402) and the protective layer (403) are bonded in sequence from the outside to the inside.

2. The edible multi-layer composite food packaging film according to claim 1, characterized in that: The tooth plate (203) is fixed on the upper surface of the protection box (3), and the sawtooth bar (5) is located inside the protection box (3).

3. The edible multi-layer composite food packaging film according to claim 1, characterized in that: The spring (204) is sleeved on the outside of the positioning rod (206), and the back side of the positioning rod (206) penetrates the front side of the fixing block (205) and extends to the back side of the fixing block (205).

4. The edible multi-layer composite food packaging film according to claim 1, characterized in that: A movable column is fixed inside the second gear (202), and the movable column is rotatably connected to the upper surface of the box body (1) via a bearing, and the fixed block (205) is fixed to the upper surface of the box body (1).

5. The edible multi-layer composite food packaging film according to claim 1, characterized in that: The heat-sealing layer (401) is a cast polypropylene film layer, and the environmentally friendly layer (402) is a polyethylene oxide film layer.

6. The edible multi-layer composite food packaging film according to claim 1, characterized in that: The protective layer (403) is a PE protective film layer.

7. The edible multi-layer composite food packaging film according to claim 1, characterized in that: A box cover is mounted on the lower surface of the box body (1); a cross slot extending to the bottom end of the winding roller is provided on the upper surface of the winding roller; a cross column fixedly connected to a connecting column (7) is rotatably connected to the inner top wall of the box body (1); the cross column and the cross slot are clearance-matched.

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