阅读说明：本技术 多层复合食品包装膜及其加工工艺 (Multilayer composite food packaging film and processing technology thereof ) 是由 严德雪 于 2021-08-24 设计创作，主要内容包括：本发明涉及高分子材料技术领域,更具体的说是多层复合食品包装膜及其加工工艺,多层复合食品包装膜加工工艺,该工艺包括以下步骤：步骤一：将包装膜和透气膜分别进行切割后放置在复合食品包装膜加工装置上；步骤二：将吸水树脂颗粒均匀有间隙的洒在包装膜上；步骤三：将包装膜和透气膜对齐并将透气膜固定在包装膜上；步骤四；将连接后的包装膜进行折叠盖住透气膜,多层复合食品包装膜,包装膜上设有四个叶片,包装膜中部均匀铺设有吸水树脂颗粒,透气膜盖在吸水树脂颗粒上并固定在包装膜上,能够在多层复合食品包装膜内添加吸水树脂,对食物产生的水蒸气进行吸收。(The invention relates to the technical field of high polymer materials, in particular to a multilayer composite food packaging film and a processing technology thereof, wherein the processing technology of the multilayer composite food packaging film comprises the following steps: the method comprises the following steps: respectively cutting the packaging film and the breathable film and then placing the cut packaging film and the breathable film on a composite food packaging film processing device; step two: uniformly sprinkling the water-absorbent resin particles on the packaging film with gaps; step three: aligning the packaging film and the breathable film and fixing the breathable film on the packaging film; step four; the packaging film after connection is folded to cover the breathable film, the multilayer composite food packaging film is provided with four blades, water-absorbent resin particles are uniformly paved in the middle of the packaging film, the breathable film covers the water-absorbent resin particles and is fixed on the packaging film, water-absorbent resin can be added into the multilayer composite food packaging film, and water vapor generated by food is absorbed.)

1. The processing technology of the multilayer composite food packaging film is characterized in that: the process comprises the following steps:

the method comprises the following steps: respectively cutting the packaging film and the breathable film and then placing the cut packaging film and the breathable film on a composite food packaging film processing device;

step two: uniformly sprinkling the water-absorbent resin particles on the packaging film with gaps;

step three: aligning the packaging film and the breathable film and fixing the breathable film on the packaging film;

step four: and folding the connected packaging film to cover the breathable film.

2. The processing technology of the multilayer composite food packaging film according to claim 1, characterized in that: multilayer composite food packaging film processingequipment includes support frame (1) and workbin (11), and workbin (11) are installed on support frame (1) through the pneumatic cylinder, and it has sword frame (12) to slide on workbin (11), is equipped with the cutting knife on sword frame (12).

3. The processing technology of the multilayer composite food packaging film according to claim 2, characterized in that: a plurality of discharge chutes (13) are uniformly arranged on the material box (11), a material baffle plate (14) slides on the material box (11), and a discharge hole (15) is fixed on the material baffle plate (14).

4. The processing technology of the multilayer composite food packaging film according to claim 3, characterized in that: a cleaning rod (16) slides in the discharge port (15), a sliding rod (17) slides on the discharge port (15), and the cleaning rod (16) is fixed on the sliding rod (17).

5. The processing technology of the multilayer composite food packaging film according to claim 2, characterized in that: multilayer composite food packaging film processingequipment still includes link (2), and link (2) are installed on support frame (1) through drive assembly I, and it has two to place pole (21) to slide on link (2).

6. The processing technology of the multilayer composite food packaging film according to claim 5, characterized in that: two place all to rotate on the pole (21) and have clamping rod (23), two clamping rod (23) and two place all to be provided with magnet on pole (21).

7. The process for manufacturing a multilayer composite food packaging film according to claim 6, wherein; multilayer composite food packaging film processingequipment still includes mounting bracket (24) and mounting bracket II (25), and II (25) of mounting bracket slide on mounting bracket (24), and mounting bracket II (25) are installed on link (2) through two pneumatic cylinders II, all are equipped with the welding set on mounting bracket (24) and mounting bracket II (25).

8. The processing technology of the multilayer composite food packaging film according to claim 2, characterized in that: multilayer composite food packaging film processingequipment still includes supporting box (31), and supporting box (31) are installed on support frame (1) through drive assembly II, and it has fixed plate (35) to slide in supporting box (31).

9. The process for manufacturing a multilayer composite food packaging film according to claim 8, wherein: the multilayer composite food packaging film processing device further comprises a plurality of push rods (37), the push rods (37) uniformly slide on the four walls of the supporting box (31), and the push rods (37) are provided with the pressing rods (34) in a sliding mode.

10. A multilayer composite food packaging film prepared using the multilayer composite food packaging film processing process of claim 1, wherein: four blades are arranged on the packaging film (42), water-absorbent resin particles are uniformly paved in the middle of the packaging film (42), and the breathable film (41) covers the water-absorbent resin particles and is fixed on the packaging film (42).

Technical Field

The invention relates to the technical field of high polymer materials, in particular to a multilayer composite food packaging film and a processing technology thereof.

Background

When packing food, the food packaging film is indispensable, transport after wrapping up ready-to-eat food through the food packaging film, can prevent that food from being contaminated in transit, certain heat preservation effect in addition, when using the food packaging film to hot food, because the steam that the food produced can drop on the food packaging film inner wall, will produce the drop of water along with steam cooling, will drop on food after the drop of water accumulation is too much, just so lead to the taste and the taste of food to change.

Disclosure of Invention

The invention aims to provide a multilayer composite food packaging film and a processing technology thereof, which can add water-absorbing resin into the multilayer composite food packaging film.

The purpose of the invention is realized by the following technical scheme:

the multilayer composite food packaging film processing technology comprises the following steps:

the method comprises the following steps: respectively cutting the packaging film and the breathable film and then placing the cut packaging film and the breathable film on a composite food packaging film processing device;

step two: uniformly sprinkling the water-absorbent resin particles on the packaging film with gaps;

step three: aligning the packaging film and the breathable film and fixing the breathable film on the packaging film;

step four; and folding the connected packaging film to cover the breathable film.

Multilayer composite food packaging film processingequipment, the loach carrying platform comprises a supporting fram, the workbin, the sword frame, the blown down tank, the striker plate, the discharge gate, the clearance pole, slide bar and spacing, sword frame sliding connection is at the lower extreme of workbin, be equipped with spring II between sword frame and the workbin, the lower extreme of sword frame is equipped with the cutting knife, the lower extreme of workbin evenly is provided with a plurality of blown down tanks, striker plate sliding connection is at the lower extreme of workbin, discharge gate fixed connection is at the lower extreme of striker plate, clearance pole sliding connection is in the discharge gate, slide bar sliding connection is on the discharge gate, clearance pole fixed connection is on the slide bar, the friction drive between slide bar and two spacing, the equal fixed connection of two spacing is at the lower extreme of workbin.

The multilayer composite food packaging film processing device comprises a connecting frame, placing rods, fixing blocks, clamping rods, a mounting frame II, driving rods and clamping blocks, wherein the connecting frame is arranged on a supporting frame through a driving assembly, springs are arranged between the two placing rods and the connecting frame, the two placing rods are respectively connected to the left end and the right end of the connecting frame in a sliding manner, the fixing blocks are arranged on the two placing rods, the clamping rods are respectively connected to the two placing rods in a rotating manner, magnets are arranged at the front ends of the two clamping rods and the two placing rods, the mounting frame II is arranged on the connecting frame through two hydraulic cylinders II, the mounting frame is connected to the mounting frame II in a sliding manner, a spring III is arranged between the mounting frame and the mounting frame II, the dissolving devices are respectively arranged at the lower ends of the mounting frame and the mounting frame II, the two driving rods are respectively connected to the left end and the right end of the mounting frame II in a rotating manner, and the two clamping blocks are respectively fixedly connected to the left end and the right end of the mounting frame II, the cross sections of the two clamping blocks are right trapezoid.

Multilayer composite food packaging film processingequipment is including supporting box, the clamp plate, the folding rod, the flattening pole, the fixed plate, sliding plate and push rod, the supporting box passes through drive assembly II and installs on the support frame, the lower extreme of supporting box is equipped with four folding grooves, the lower extreme of four folding grooves still is equipped with two relative discharge slots, the clamp plate passes through pneumatic cylinder III and installs on the link, be equipped with a shape of returning on the supporting box, a plurality of folding rods are sliding connection respectively on four folding grooves on the supporting box, a plurality of flattening rods are sliding connection respectively at the lower extreme of a plurality of folding rods, a plurality of flattening rods pass through spring IV with a plurality of folding rods respectively and connect, fixed plate sliding connection is in the supporting box, sliding plate sliding connection is on the fixed plate, push rod sliding connection is on one of them discharge slot, be equipped with spring V between push rod and the supporting box.

The multilayer composite food packaging film is provided with four blades, water-absorbent resin particles are uniformly paved in the middle of the packaging film, and the breathable film covers the water-absorbent resin particles and is fixed on the packaging film.

Drawings

The invention is described in further detail below with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a flow chart of a process for manufacturing a multilayer composite food packaging film according to the present invention;

FIG. 2 is a schematic view of a packaging film of the present invention;

FIG. 3 is a schematic view of a bin of the multi-layer composite food packaging film processing apparatus of the present invention;

FIG. 4 is a schematic view of a striker plate of the multi-layer composite food packaging film processing device of the present invention;

FIG. 5 is a schematic view of a discharge port of the multi-layer composite food packaging film processing apparatus according to the present invention;

FIG. 6 is a schematic view of a connecting frame of the multi-layer composite food packaging film processing apparatus of the present invention;

FIG. 7 is a schematic view of a mounting frame II of the multi-layer composite food packaging film processing apparatus of the present invention;

FIG. 8 is a schematic view of a mounting frame of the multilayer composite food packaging film processing apparatus of the present invention;

FIG. 9 is a schematic view of a fixture block of the multi-layer composite food packaging film processing apparatus of the present invention;

FIG. 10 is a schematic view of a support box of the multilayer composite food packaging film processing apparatus of the present invention;

FIG. 11 is a schematic view of a folding bar of the multi-layer composite food packaging film processing apparatus of the present invention;

FIG. 12 is a schematic view of a pressing bar of the multi-layer composite food packaging film processing apparatus of the present invention;

FIG. 13 is a schematic view of a slide plate of the multilayer composite food packaging film processing apparatus of the present invention;

fig. 14 is a schematic view of the whole processing apparatus for a multilayer composite food packaging film according to the present invention.

In the figure: a support frame 1; a work bin 11; a knife frame 12; a discharge chute 13; a striker plate 14; a discharge port 15; a cleaning rod 16; a slide lever 17; a stopper frame 18; a connecting frame 2; a placing rod 21; a fixed block 22; a clamping lever 23; a mounting frame 24; a mounting rack II 25; a drive rod 26; a latch 27; a support box 31; a platen 32; a folding bar 33; a flattening rod 34; a fixed plate 35; a slide plate 36; a push rod 37; a gas permeable membrane 41; and a packaging film 42.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1;

the multilayer composite food packaging film processing technology comprises the following steps:

the method comprises the following steps: respectively cutting the packaging film and the breathable film and then placing the cut packaging film and the breathable film on a composite food packaging film processing device;

step two: uniformly sprinkling the water-absorbent resin particles on the packaging film with gaps;

step three: aligning the packaging film and the breathable film and fixing the breathable film on the packaging film;

step four; and folding the connected packaging film to cover the breathable film.

As shown in fig. 2;

the multilayer composite food packaging film is characterized in that four blades are arranged on a packaging film 42, water-absorbent resin particles are uniformly paved in the middle of the packaging film 42, and a breathable film 41 covers the water-absorbent resin particles and is fixed on the packaging film 42;

in order to avoid that the food packaging film gathers water vapor when packaging hot food, so that the water vapor is condensed into water drops to be hung on the inner wall of the food packaging film, and finally the water drops fall into the food again to influence the taste and the mouthfeel of the food, the water-absorbent resin particles are uniformly paved on the packaging film 42 to absorb the water vapor, the water-absorbent resin particles are wrapped by the breathable film 41, the water vapor can be absorbed by the breathable film through the water-absorbent resin particles, and then the water-absorbent resin particles are blocked by the breathable film to avoid falling into the food;

furthermore, the four blades arranged on the packaging film 42 can be folded to block the breathable film 41 after the multilayer composite food packaging film is processed, so that water molecules in the air are prevented from being absorbed by the water-absorbent resin particles to influence the use effect of the multilayer composite food packaging film, and the multilayer composite food packaging film can be adhered to a container with enough margin when food is packaged;

furthermore, the water-absorbent resin particles are fixed in a plurality of grids through the breathable film, so that the water-absorbent resin particles can be uniformly dispersed, and the water-absorbent resin particles are prevented from gathering together in the transportation process.

As shown in fig. 3-5;

multilayer composite food packaging film processing technology still uses multilayer composite food packaging film processingequipment, the device includes support frame 1, workbin 11, sword frame 12, blown down tank 13, striker plate 14, discharge gate 15, clearance pole 16, slide bar 17 and spacing 18, sword frame 12 sliding connection is at the lower extreme of workbin 11, be equipped with spring II between sword frame 12 and the workbin 11, the lower extreme of sword frame 12 is equipped with the cutting knife, the lower extreme of workbin 11 evenly is provided with a plurality of blown down tanks 13, 14 sliding connection of striker plate is at the lower extreme of workbin 11, 15 fixed connection of discharge gate are at the lower extreme of striker plate 14, 16 sliding connection of clearance pole are in discharge gate 15, slide bar 17 sliding connection is on discharge gate 15, 16 fixed connection of clearance pole is on slide bar 17, friction drive between slide bar 17 and two spacing 18, two equal fixed connection of spacing 18 are at the lower extreme of workbin 11, two spacing 18 are the wave structure and make slide bar 17 carry out the crossing of back-and-forth movement along two spacing 18 The program can also move left and right;

the work bin 11 is arranged on the support frame 1 through two hydraulic cylinders, the two hydraulic cylinders are both fixedly connected to the support frame 1, and the work bin 11 is fixedly connected to the two hydraulic cylinders;

the striker plate 14 is driven by an electric telescopic rod, the electric telescopic rod is fixedly connected to the material box 11, and the striker plate 14 is fixedly connected to the electric telescopic rod;

the packaging film 42 is placed below the material box 11, the material box 11 moves downwards to drive the cutter frame 12 to move downwards, and the cutter frame 12 moves downwards to drive the cutter on the cutter frame 12 to move downwards to cut the packaging film 42 into a required shape;

furthermore, the height of the discharge port 15 can be reduced after the material box 11 moves downwards, so that the water-absorbent resin particles are prevented from splashing in the falling process, the discharge port 15 enables the water-absorbent resin particles to fall through the discharge port 15 when corresponding to the discharge chute 13, and the rest discharge chutes 13 are blocked by the baffle plates 14, so that the water-absorbent resin particles can be uniformly laid on the packaging film 42 in the moving process of the discharge port 15, and meanwhile, strip-shaped gaps can be formed among the water-absorbent resin particles in the uniform laying process, so that the water-absorbent resin particles are conveniently separated and fixed by using the breathable film;

further, in order to avoid water-absorbent resin particle to plug up discharge gate 15, influence the volume of laying of water-absorbent resin particle, through clearance pole 16 in discharge gate 15 round trip movement with the card the water-absorbent resin particle clearance in discharge gate 15 fall, discharge gate 15 removes and drives slide bar 17 and remove, slide bar 17 removes the contact between process and two spacing 18, make slide bar 17 slide along two spacing 18, slide bar 17 slides and drives slide bar 17 round trip movement, make slide bar 17 can clear up in discharge gate 15 round trip movement in discharge gate 15.

As shown in fig. 6-9;

the multilayer composite food packaging film processing device further comprises a connecting frame 2, placing rods 21, fixing blocks 22, clamping rods 23, a mounting frame 24, a mounting frame II 25, driving rods 26 and clamping blocks 27, wherein the connecting frame 2 is installed on the supporting frame 1 through a driving assembly, springs are arranged between the two placing rods 21 and the connecting frame 2, the two placing rods 21 are respectively connected to the left end and the right end of the connecting frame 2 in a sliding manner, the fixing blocks 22 are arranged on the two placing rods 21, the clamping rods 23 are respectively connected to the two placing rods 21 in a rotating manner, magnets are arranged at the front ends of the two clamping rods 23 and the two placing rods 21, the mounting frame II 25 is installed on the connecting frame 2 through two hydraulic cylinders II, the mounting frame 24 is connected to the mounting frame II 25 in a sliding manner, a spring III is arranged between the mounting frame 24 and the mounting frame II 25, dissolving devices are arranged at the lower ends of the mounting frame 24 and the mounting frame II 25, the two driving rods 26 are respectively connected to the left end and the right end of the mounting frame II 25 in a rotating manner, the two fixture blocks 27 are fixedly connected to the left end and the right end of the mounting rack II 25 respectively, the cross sections of the two fixture blocks 27 are in a right trapezoid shape, and the mounting rack 24 is provided with a plurality of separating rods, so that the breathable film can be processed into a lattice shape by a dissolving device on the mounting rack 24;

the driving assembly I is composed of two lead screws and a speed reducing motor, the two lead screws are both rotationally connected to the support frame 1, the two lead screws are in transmission through a belt, the speed reducing motor is fixedly connected to the support frame 1, one lead screw is fixedly connected to an output shaft of the speed reducing motor, the two lead screws of the connecting frame 2 are in threaded transmission, and the driving assembly I is used for driving the connecting frame 2 to move back and forth;

the mounting frame II 25 is driven by the two hydraulic cylinders II, the two hydraulic cylinders II are both fixedly connected to the connecting frame 2, and the mounting frame II 25 is fixedly connected to the lower ends of the two hydraulic cylinders II;

the device can also fix the breathable film 41, the breathable film 41 cut into a square shape is placed on the two placing rods 21, the two clamping rods 23 are used for pressing the two ends of the breathable film 41 to fix the breathable film 41, the two clamping rods 23 are used for clamping and fixing the breathable film 41, the breathable film can better correspond to the packaging film 42,

further, the mounting frame II 25 moves downwards to drive the mounting frame 24 to move downwards, the mounting frame 24 moves downwards to enable the welding device on the mounting frame 24 to generate heat through electric heating to fix the parts of the breathable film 41 and the packaging film 42 together, the breathable film 41 and the packaging film 42 are connected when the two ends of the breathable film 41 are fixed, the situation that the breathable film 41 moves to cause insufficient connection between the breathable film 41 and the packaging film 42 can be avoided, then the mounting frame II 25 continues to move downwards to drive the two driving rods 26 to move downwards, the two driving rods 26 move downwards to be respectively contacted with the two placing rods 21 and are blocked by the two fixing blocks 22, at the moment, the two driving rods 26 move downwards and rotate simultaneously to enable the two placing rods 21 to move towards two sides, because the parts of the breathable film 41 are fixed, the two placing rods 21 can be separated from the breathable film 41, and then the dissolving device on the mounting frame II 25 is contacted with the breathable film 41, the air permeable film is sufficiently fixed to the wrapping film 42 and the water absorbent resin particles are separately wrapped.

As shown in fig. 10-13;

the processing device of the multilayer composite food packaging film also comprises a supporting box 31, a pressing plate 32 and a folding rod 33, the support box 31 is mounted on the support frame 1 through a driving assembly II, the lower end of the support box 31 is provided with four folding grooves, the lower ends of the four folding grooves are also provided with two opposite discharge grooves, the pressure plate 32 is mounted on the connecting frame 2 through a hydraulic cylinder III, the support box 31 is provided with a return plate, the folding rods 33 are respectively and slidably connected to the four folding grooves on the support box 31, the flattening rods 34 are respectively and slidably connected to the lower ends of the folding rods 33, the flattening rods 34 are respectively and slidably connected with the folding rods 33 through springs IV, the fixed plate 35 is slidably connected in the support box 31, the sliding plate 36 is slidably connected to the fixed plate 35, the push rod 37 is slidably connected to one of the discharge grooves, and a spring V is arranged between the push rod 37 and the support box 31;

the driving assembly II is composed of two screw rods II and a speed reducing motor II, the two screw rods II are both rotatably connected to the support frame 1 and are in transmission through a belt, the speed reducing motor II is fixedly connected to the support frame 1, one of the screw rods is fixedly connected to an output shaft of the speed reducing motor II, the two screw rods II of the support box 31 are in threaded transmission, and the driving assembly II is used for driving the support box 31 to move up and down;

the plurality of folding rods 33 are respectively driven by a plurality of hydraulic cylinders IV, the plurality of hydraulic cylinders IV are all fixedly connected to the supporting box 31, and the plurality of folding rods 33 are respectively fixedly connected to the plurality of hydraulic cylinders IV;

the fixing plate 35 is driven by a hydraulic cylinder V to move up and down, the hydraulic cylinder V is fixedly connected in the supporting box 31, and the fixing plate 35 is fixedly connected to the hydraulic cylinder V;

in order to avoid that water molecules in the air can be absorbed by the water-absorbent resin particles in the breathable film 41 through the breathable film 41 and influence the use effect of the multilayer composite food packaging film, the four leaves of the packaging film 42 are folded to cover the breathable film 41, so that the multilayer composite food packaging film can be placed for a long time, and the packaging film 42 is placed on a platform consisting of the support box 31 and the sliding plate 36, so that the platform consisting of the support box 31 and the sliding plate 36 can support and transport the packaging film 42 to different positions;

further, after the multilayer composite food packaging film is processed, the pressing plate 32 moves downwards to press the breathable film 41 on the multilayer composite food packaging film, the pressing plate 32 moves downwards to drive the fixing plate 35 and the sliding plate 36 to move downwards, at this time, four blades of the packaging film 42 are bent to be contacted with the inner wall of the supporting box 31, so that creases are pressed on the packaging film 42, then the pressing plate 32 moves upwards to reset, two opposite folding rods 33 move inwards to fold two ends of the packaging film 42, and then the other two opposite folding rods 33 move inwards to fold the other two ends of the packaging film 42, so that the four blades of the packaging film 42 cover the breathable film 41;

further, when the folding rods 33 fold the four leaves of the packaging film 42, the flattening rods 34 move downwards under the action of the springs iv to compact the four leaves of the packaging film 42 on the air permeable film 41, so as to improve the protection effect on the water-absorbent resin particles in the air permeable film 41;

further, can drive fixed plate 35 through pneumatic cylinder V and continue the downstream, push rod 37 receives the effort removal of spring V and promotes sliding plate 36 and remove for sliding plate 36 moves along discharging the groove, and at this moment the staff just can manually pull out sliding plate 36, takes off the compound food packaging film of multilayer after folding on the sliding plate 36, is convenient for collect the compound food packaging film of multilayer, and the material resources of using manpower sparingly improve machining efficiency.