CN114316488A - Degradable food packaging material and preparation method thereof - Google Patents
Degradable food packaging material and preparation method thereof Download PDFInfo
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- CN114316488A CN114316488A CN202210099984.8A CN202210099984A CN114316488A CN 114316488 A CN114316488 A CN 114316488A CN 202210099984 A CN202210099984 A CN 202210099984A CN 114316488 A CN114316488 A CN 114316488A
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- 239000005003 food packaging material Substances 0.000 title claims abstract description 65
- 238000002360 preparation method Methods 0.000 title abstract description 14
- 244000144730 Amygdalus persica Species 0.000 claims abstract description 11
- 229920002101 Chitin Polymers 0.000 claims abstract description 11
- 241000208202 Linaceae Species 0.000 claims abstract description 11
- 235000004431 Linum usitatissimum Nutrition 0.000 claims abstract description 11
- 235000006040 Prunus persica var persica Nutrition 0.000 claims abstract description 11
- 108010010803 Gelatin Proteins 0.000 claims abstract description 9
- 239000004372 Polyvinyl alcohol Substances 0.000 claims abstract description 9
- 229920002472 Starch Polymers 0.000 claims abstract description 9
- 239000008273 gelatin Substances 0.000 claims abstract description 9
- 229920000159 gelatin Polymers 0.000 claims abstract description 9
- 235000019322 gelatine Nutrition 0.000 claims abstract description 9
- 235000011852 gelatine desserts Nutrition 0.000 claims abstract description 9
- 229920000747 poly(lactic acid) Polymers 0.000 claims abstract description 9
- 239000004626 polylactic acid Substances 0.000 claims abstract description 9
- 229920002451 polyvinyl alcohol Polymers 0.000 claims abstract description 9
- 235000019698 starch Nutrition 0.000 claims abstract description 9
- 239000008107 starch Substances 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 9
- IIZPXYDJLKNOIY-JXPKJXOSSA-N 1-palmitoyl-2-arachidonoyl-sn-glycero-3-phosphocholine Chemical compound CCCCCCCCCCCCCCCC(=O)OC[C@H](COP([O-])(=O)OCC[N+](C)(C)C)OC(=O)CCC\C=C/C\C=C/C\C=C/C\C=C/CCCCC IIZPXYDJLKNOIY-JXPKJXOSSA-N 0.000 claims abstract description 6
- 239000000787 lecithin Substances 0.000 claims abstract description 6
- 235000010445 lecithin Nutrition 0.000 claims abstract description 6
- 229940067606 lecithin Drugs 0.000 claims abstract description 6
- QBUKAFSEUHGMMX-MTJSOVHGSA-N (5z)-5-[[3-(1-hydroxyethyl)thiophen-2-yl]methylidene]-10-methoxy-2,2,4-trimethyl-1h-chromeno[3,4-f]quinolin-9-ol Chemical compound C1=CC=2NC(C)(C)C=C(C)C=2C2=C1C=1C(OC)=C(O)C=CC=1O\C2=C/C=1SC=CC=1C(C)O QBUKAFSEUHGMMX-MTJSOVHGSA-N 0.000 claims abstract description 4
- 238000009434 installation Methods 0.000 claims description 39
- 238000001816 cooling Methods 0.000 claims description 29
- 238000005096 rolling process Methods 0.000 claims description 24
- 238000000034 method Methods 0.000 claims description 21
- 238000004804 winding Methods 0.000 claims description 19
- 238000001035 drying Methods 0.000 claims description 13
- 238000003756 stirring Methods 0.000 claims description 12
- 238000001125 extrusion Methods 0.000 claims description 9
- 238000000227 grinding Methods 0.000 claims description 9
- 239000002994 raw material Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
- 239000011812 mixed powder Substances 0.000 claims description 6
- 238000009826 distribution Methods 0.000 claims description 5
- 238000012805 post-processing Methods 0.000 claims description 5
- 239000003292 glue Substances 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 238000005303 weighing Methods 0.000 claims description 3
- 102000002322 Egg Proteins Human genes 0.000 claims description 2
- 108010000912 Egg Proteins Proteins 0.000 claims description 2
- 241000826860 Trapezium Species 0.000 claims description 2
- 239000000110 cooling liquid Substances 0.000 claims description 2
- 235000013345 egg yolk Nutrition 0.000 claims description 2
- 210000002969 egg yolk Anatomy 0.000 claims description 2
- 238000005336 cracking Methods 0.000 abstract description 3
- 239000005022 packaging material Substances 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 10
- 235000013305 food Nutrition 0.000 description 10
- 239000002826 coolant Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000012858 packaging process Methods 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 235000013601 eggs Nutrition 0.000 description 1
- 235000019601 food appearance Nutrition 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 235000015110 jellies Nutrition 0.000 description 1
- 239000008274 jelly Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- 229920000573 polyethylene Polymers 0.000 description 1
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- 229920002223 polystyrene Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- General Preparation And Processing Of Foods (AREA)
Abstract
The invention belongs to the technical field of packaging materials, and particularly relates to a degradable food packaging material and a preparation method thereof. The mass percentage of each component is as follows: 30% of polyvinyl alcohol, 20% of starch, 8% of commercial peach gum, 12% of gelatin, 8% of water, 5% of lecithin, 8% of chitin, 4% of polylactic acid and 5% of flax. According to the degradable food packaging material and the preparation method thereof, the flax, the chitin and the commercial peach gum are arranged, so that the performances of friction resistance, high temperature resistance, non-flammability and non-cracking of the flax are achieved, the overall toughness and the mechanical strength of the food packaging material are increased, and the quality of the food packaging material is further ensured.
Description
Technical Field
The invention relates to the technical field of packaging materials, in particular to a degradable food packaging material and a preparation method thereof.
Background
Food packaging is an integral part of a food commodity. One of the major projects in the food industry process. It protects the food, prevents the damage of biological, chemical and physical external factors in the process of the food leaving the factory to the hand of the consumer, and it can also have the function of keeping the stable quality of the food itself, it is convenient for the food to eat, it expresses the food appearance at first, attracts the image of consumption, and has the value beyond the material cost. Therefore, the food packaging process is also an integral part of the food manufacturing system engineering. The versatility of the food packaging process makes it relatively self-contained;
the existing food packaging materials are basically made of polymer materials such as polystyrene, polyethylene, polypropylene and the like, and cannot be degraded to cause serious damage to the ecological environment, have no recycling value, have low mechanical strength, are easy to scratch and inconvenient to transport, have high dependence on workers in the rolling process, and reduce the intelligent degree.
Disclosure of Invention
The invention provides a degradable food packaging material and a preparation method thereof, and solves the technical problems that the existing food packaging material cannot be degraded, causes serious damage to the ecological environment, has no recycling value, has low mechanical strength, is easy to scratch and inconvenient to transport, has high dependence on workers in the rolling process of the existing food packaging material, and reduces the intelligent degree.
The invention provides a degradable food packaging material and a preparation method thereof.
Preferably, the mass percentage of each component is respectively as follows: 30% of polyvinyl alcohol, 20% of starch, 8% of commercial peach gum, 12% of gelatin, 8% of water, 5% of lecithin, 8% of chitin, 4% of polylactic acid and 5% of flax.
Preferably, S1, weighing the raw materials according to the mass percentage, pouring the polyvinyl alcohol, the starch, the commercial peach gum and the chitin into a grinding and stirring device for grinding and dry stirring, wherein the rotating speed of the grinding and stirring device is 40r/min, and the raw materials are subjected to 6-8 minutes to obtain mixed powder;
s2, pouring mixed powder obtained by processing gelatin, lecithin, polylactic acid, water and S1 into mixing equipment, and heating and stirring at 135-145 ℃ to obtain mixed glue;
s3, cooling the mixed rubber material to 60 ℃, adding the mixed rubber material into extrusion forming equipment for extrusion forming, and obtaining the degradable food packaging material;
and S4, cooling and rolling the degradable food packaging material in the S3 through a post-processing device.
Preferably, the post-processing device comprises an installation base, a cooling device, a drying device and a winding device are respectively arranged on the inner wall of the installation base, the cooling device cools the degradable food packaging material, the drying device dries the cooled degradable food packaging material in the transportation process, the winding device winds the dried degradable food packaging material for standby, the drying device is located between the cooling device and the winding device, the cooling device comprises a cooling box, cooling liquid is arranged in the cooling box, and the drying device comprises two installation frames which are distributed in an up-down mirror image manner;
the winding device comprises two symmetrically-distributed supporting seats, two opposite surfaces of the supporting seats are fixedly connected with a first guide rod and a second guide rod through pin shafts, one of the first guide rod and the second guide rod is arranged on one side surface of the supporting seat, and a first mounting opening and two opposite surfaces of the supporting seats are fixedly provided with a first driving roller through bearings.
Preferably, two the mounting groove has all been seted up to the relative surface of installing frame, two the inner wall of mounting groove all is a plurality of guide rolls that are linear array and distribute through bearing fixedly connected with, the intercommunication mouth has been seted up on the one end surface of guide roll, the first vent that is annular array and distributes is seted up to the inside wall of intercommunication mouth, first vent runs through and extends to the surface of guide roll.
Preferably, a first connecting port is formed in the upper surface of the mounting base, a fan is fixedly mounted on the inner wall of the first connecting port, a flow distribution box is communicated with the outer surface of an air outlet port of the fan, and one end of the guide roller extends to the inner wall of the flow distribution box.
Preferably, the inner wall fixed mounting of first installing port has a drive motor, just the one end surface of a main shaft of drive motor with the one end fixed surface of first drive roller is connected, two the standing groove has all been seted up to the upper surface of supporting seat, the inner wall fixedly connected with direction rack of standing groove, two the equal fixedly connected with carriage in a side surface of supporting seat, two the relative surface of carriage all is through bearing fixedly connected with installation roller.
Preferably, a second mounting opening is formed in one side surface of the upper end of one of the support frames, a second driving motor is fixedly mounted on the inner wall of the second mounting opening, one end surface of a main shaft of the second driving motor is fixedly connected with one end surface of the mounting roller, and support blocks distributed in an annular array mode by taking the axis of the mounting roller as a center line are fixedly connected to the outer surface of the mounting roller.
Preferably, a sliding groove is formed in one end surface of the supporting block, a sliding block is inserted into the inner wall of the sliding groove in a sliding mode, a spring is fixedly connected to one side surface of the sliding block, the free end of the spring is fixedly connected with the inner wall of one end of the sliding groove, an installation block is fixedly connected to one end surface of the sliding block, a guide plate is fixedly connected to one end surface of the installation block, and an insertion port is formed in one side surface of the installation block.
Preferably, every two opposite inner walls of the inserting ports are respectively inserted with a winding part, each winding part comprises a connecting column, a winding roller is rotatably sleeved on the outer surface of the middle of each connecting column, a driving gear is fixedly sleeved on the outer surfaces of the two ends of each connecting column, a guide block in a trapezoidal structure is fixedly connected to the surface of one side of each supporting seat, and a limiting placing frame is fixedly connected to the surface of the two sides of each supporting seat.
The beneficial effects of the invention are as follows:
1. by arranging the flax, the chitin and the commercial peach gum, the performances of friction resistance, high temperature resistance, nonflammability and difficult cracking of the flax are achieved, the overall toughness and the mechanical strength of the food packaging material are increased, and the quality of the food packaging material is further ensured.
2. Through setting up the installation roller, it is rotatory to have reached the rolling part of placing on the rotatory drive installation piece through the installation roller, when the installation piece of placing the rolling part rotates to about being the degree with the perpendicular line, deflector and guide block contact, shape through the guide block, make the deflector to one side skew, and then drive two installation pieces that correspond and remove to both sides, make drive gear and the meshing of guide rack on the rolling part, cancel between rolling part and the installation piece and be connected, and then to the automatic effect of changing of wind-up roll.
Drawings
FIG. 1 is a schematic view of a degradable food packaging material and a preparation method thereof according to the present invention;
FIG. 2 is a perspective view of a roll-up component of the degradable food packaging material and the preparation method thereof according to the present invention;
FIG. 3 is a structural cross-sectional view of a wind-up roll of the degradable food packaging material and the preparation method thereof provided by the invention;
FIG. 4 is a sectional view of a support block structure of the degradable food packaging material and the preparation method thereof according to the present invention;
FIG. 5 is a structural sectional view of a mounting frame of the degradable food packaging material and the preparation method thereof according to the present invention;
fig. 6 is an enlarged view of a structure a in fig. 5 of the degradable food packaging material and the preparation method thereof according to the present invention.
In the figure: 1. installing a base; 2. a cooling tank; 3. installing a frame; 31. mounting grooves; 32. a guide roller; 33. a communication port; 34. a first vent; 35. a first connection port; 36. a fan; 37. a shunt box; 4. a supporting seat; 41. a first guide bar; 42. a second guide bar; 43. a first mounting port; 44. a first driving roller; 45. a first drive motor; 46. a placement groove; 47. a guide rack; 48. a support frame; 49. mounting a roller; 410. a second mounting opening; 411. a second drive motor; 412. a support block; 413. a chute; 414. a slider; 415. a spring; 416. mounting blocks; 417. a guide plate; 418. an interface; 419. connecting columns; 420. a wind-up roll; 421. a drive gear; 422. a guide block; 423. and a limiting placing frame.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1 to 6, a degradable food packaging material and a method for preparing the same includes preparation of raw materials including polyvinyl alcohol, starch, commercial peach gum, gelatin, water, egg jelly, chitin, polylactic acid, and flax.
The mass percentage of each component is as follows: 30% of polyvinyl alcohol, 20% of starch, 8% of commercial peach gum, 12% of gelatin, 8% of water, 5% of egg yolk, 8% of chitin, 4% of polylactic acid and 5% of flax;
the friction resistance, high temperature resistance, nonflammability and difficult cracking of the flax are realized, the overall toughness and mechanical strength of the food packaging material are increased, and the quality of the food packaging material is further ensured.
S1, weighing the raw materials according to mass percentage, pouring polyvinyl alcohol, starch, commercial peach gum and chitin into a grinding and stirring device for grinding and dry stirring, wherein the rotating speed of the grinding and stirring device is 40r/min, and carrying out 6-8 minutes on the raw materials to obtain mixed powder;
s2, pouring mixed powder obtained by processing gelatin, lecithin, polylactic acid, water and S1 into mixing equipment, and heating and stirring at 135-145 ℃ to obtain mixed glue;
s3, cooling the mixed rubber material to 60 ℃, adding the mixed rubber material into extrusion forming equipment for extrusion forming, and obtaining the degradable food packaging material;
and S4, cooling and rolling the degradable food packaging material in the S3 through a post-processing device.
Aftertreatment device is including installation base 1, installation base 1's inner wall is provided with cooling device respectively, drying device and coiling mechanism, cooling device cools off degradable food packaging material, drying device carries out the drying to the degradable food packaging material after the cooling in transit, the coiling mechanism carries out the rolling to the degradable food packaging material of dry completion for later use, drying device is located between cooling device and the coiling mechanism, cooling device includes cooler bin 2, the inside of cooler bin 2 is provided with the coolant liquid, reached and carried out the water-cooling with extrusion's degradable food packaging material through the coolant liquid in cooler bin 2.
Drying device includes the installing frame 3 that two upper and lower mirror images distribute, mounting groove 31 has all been seted up to the relative surface of two installing frames 3, the inner wall of two mounting grooves 31 all is a plurality of guide roll 32 that are linear array and distribute through bearing fixedly connected with, intercommunication mouth 33 has been seted up on the one end surface of guide roll 32, the first vent 34 that is annular array and distributes is seted up to the inside wall of intercommunication mouth 33, first vent 34 runs through and extends to the surface of guide roll 32, the effect through carrying out the intercommunication between intercommunication mouth 33 and the first vent 34 has been reached.
The coiling mechanism includes the supporting seat 4 of two symmetric distributions, the relative surface of two supporting seats 4 distributes first guide bar 41 of fixedly connected with and second guide bar 42 through the round pin axle, first installing port 43 has been seted up on one of them side surface of supporting seat 4, the relative surface of two supporting seats 4 has first drive roller 44 through bearing fixed mounting, reached and installed first guide bar 41 and second guide bar 42, the effect of leading is carried out food packaging material through first guide bar 41 and second guide bar 42.
Inner wall fixed mounting of first installing port 43 has first driving motor 45, and the one end surface of the main shaft of first driving motor 45 and the one end fixed surface of first drive roller 44 are connected, standing groove 46 has all been seted up to the upper surface of two supporting seats 4, the inner wall fixedly connected with direction rack 47 of standing groove 46, the equal fixedly connected with carriage 48 in a side surface of two supporting seats 4, bearing fixedly connected with installation roller 49 is all passed through to the relative surface of two carriage 48, reached and made first driving motor 45 drive first drive roller 44 rotate, and confirm the mounted position of direction rack 47, and carry out the effect of installing through carriage 48 to installation roller 49.
One side surface of the upper end of one of the support frames 48 is provided with a second mounting port 410, the inner wall of the second mounting port 410 is fixedly provided with a second driving motor 411, one end surface of a main shaft of the second driving motor 411 is fixedly connected with one end surface of a mounting roller 49, the outer surface of the mounting roller 49 is fixedly connected with support blocks 412 which are distributed in an annular array mode by taking the axis of the mounting roller 49 as the central line, and the effects of mounting the second driving motor 411 through the second mounting port 410 and limiting the distribution positions of the support blocks 412 are achieved.
Every two relative interfaces 418's inner wall has all been pegged graft and has been had rolling part, rolling part includes spliced pole 419, the rotatory wind-up roll 420 that has cup jointed of spliced pole 419's middle part surface, the both ends surface of spliced pole 419 has all fixedly cup jointed drive gear 421, the equal fixedly connected with in one side surface of two supporting seats 4 is the guide block 422 of trapezium structure, the equal fixedly connected with in both sides surface of two supporting seats 4 is spacing places frame 423, reached and rotated to be 30 degrees when controlling with the perpendicular line at installation piece 416, deflector 417 and guide block 422 contact, shape through guide block 422, make deflector 417 to the effect of one side skew.
Reached through the rotatory rolling part of placing on drive installation piece 416 of installation roller 49 and rotated, when the installation piece 416 who places the rolling part rotated to be 30 degrees left and right sides with the perpendicular line, deflector 417 and deflector 422 contact, shape through deflector 422, make deflector 417 skew to one side, and then drive two installation pieces 416 that correspond and remove to both sides, make drive gear 421 on the rolling part and the meshing of guide rack 47, cancel the connection between rolling part and the installation piece 416, and then to the effect of the automatic change of wind-up roll 420.
The working principle is as follows: the staff carries on the water-cooling with the degradable food packaging material of extrusion through the coolant liquid in the cooling box 2, make the degradable food packaging material through the cooling box 2 get effective cooling, pass the initiating terminal of degradable food packaging material between two installing frames 3, control the fan 36 to start, transmit the wind to the intercommunication mouth 33 of every guide roll 32 through the reposition of redundant personnel case 37, rethread first vent 34 and degradable food packaging material contact, dry degradable food packaging material, dry it on the way that degradable food packaging material conveys, degradable food packaging material and guide roll 32 surface contact, and then drive the guide roll 32 to rotate in the degradable food packaging material is rolled up, and then increase the dry efficiency of degradable food packaging material;
the dried degradable food packaging material sequentially bypasses the first guide rod 41, the second guide rod 42 and the first driving roller 44 and is fixed on the surface of the winding part, the first driving roller 44 rotates to drive winding to rotate uniformly, so that the winding roller 420 winds the degradable food packaging material, the winding roller 420 rotates along with the rotation of the first driving roller 44, the winding amount of the degradable food packaging material on the winding roller 420 is increased, the first driving roller 44 can generate thrust on the winding roller 420 when rotating, the driving gear 421 rotates on the guide rack 47, when the degradable food packaging material wound on the surface of the winding roller 420 reaches a certain amount, the driving gear 421 moves to the tail end of the guide rack 47 and then slides into the limiting placement frame 423, and the winding part can be monitored through the photoelectric switch;
after the rolling part drops in spacing placing frame 423, second driving motor 411 drives installation roller 49 rotatory, and then it is rotatory to drive the rolling part of placing on the installation piece 416, when the installation piece 416 who places the rolling part rotates to be 30 degrees left and right sides with the perpendicular line, deflector 417 and guide block 422 contact, shape through guide block 422, make deflector 417 to one side skew, and then drive two corresponding installation pieces 416 and remove to both sides, make drive gear 421 on the rolling part and the meshing of guide rack 47, cancel the connection between rolling part and the installation piece 416, and then reach the effect of automatic change rolling roller 420.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. A degradable food packaging material is characterized in that: comprises preparing raw materials including polyvinyl alcohol, starch, commercial peach gum, gelatin, water, egg yolk, chitin, polylactic acid and flax.
2. The degradable food packaging material of claim 1, wherein: the mass percentage of each component is as follows: 30% of polyvinyl alcohol, 20% of starch, 8% of commercial peach gum, 12% of gelatin, 8% of water, 5% of lecithin, 8% of chitin, 4% of polylactic acid and 5% of flax.
3. The method for preparing the degradable food packaging material of claim 2, wherein the method comprises the following steps: s1, weighing the raw materials according to mass percentage, pouring polyvinyl alcohol, starch, commercial peach gum and chitin into a grinding and stirring device for grinding and dry stirring, wherein the rotating speed of the grinding and stirring device is 40r/min, and carrying out 6-8 minutes on the raw materials to obtain mixed powder;
s2, pouring mixed powder obtained by processing gelatin, lecithin, polylactic acid, water and S1 into mixing equipment, and heating and stirring at 135-145 ℃ to obtain mixed glue;
s3, cooling the mixed rubber material to 60 ℃, adding the mixed rubber material into extrusion forming equipment for extrusion forming, and obtaining the degradable food packaging material;
and S4, cooling and rolling the degradable food packaging material in the S3 through a post-processing device.
4. The method for preparing the degradable food packaging material of claim 3, wherein the method comprises the following steps: the post-processing device comprises a mounting base (1), the inner wall of the mounting base (1) is respectively provided with a cooling device, a drying device and a winding device, the cooling device cools degradable food packaging materials, the drying device dries the cooled degradable food packaging materials in the transportation process, the winding device winds the dried degradable food packaging materials for standby, the drying device is positioned between the cooling device and the winding device, the cooling device comprises a cooling box (2), cooling liquid is arranged in the cooling box (2), and the drying device comprises two mounting frames (3) which are distributed in an upper mirror image and a lower mirror image;
the coiling mechanism includes two symmetric distribution's supporting seat (4), two the relative surface of supporting seat (4) distributes first guide bar (41) of fixedly connected with and second guide bar (42) through the round pin axle, one of them first installing port (43), two have been seted up to a side surface of supporting seat (4) the relative surface of supporting seat (4) has first drive roller (44) through bearing fixed mounting.
5. The method for preparing the degradable food packaging material of claim 4, wherein the method comprises the following steps: two mounting groove (31) have all been seted up to the relative surface of installing frame (3), two the inner wall of mounting groove (31) all is a plurality of guide roll (32) that are linear array and distribute through bearing fixedly connected with, intercommunication mouth (33) have been seted up on the one end surface of guide roll (32), first vent (34) that are annular array and distribute are seted up to the inside wall of intercommunication mouth (33), first vent (34) run through and extend to the surface of guide roll (32).
6. The method for preparing the degradable food packaging material of claim 5, wherein the method comprises the following steps: first connecting port (35) have been seted up to the upper surface of installation base (1), the inner wall fixed mounting of first connecting port (35) has fan (36), the external fixed surface intercommunication of the air-out port of fan (36) has reposition of redundant personnel case (37), the one end of guide roll (32) extends to the inner wall of reposition of redundant personnel case (37).
7. The method for preparing the degradable food packaging material of claim 4, wherein the method comprises the following steps: the inner wall fixed mounting of first installing port (43) has first driving motor (45), just the one end surface of the main shaft of first driving motor (45) with the one end fixed surface of first drive roller (44) is connected, two standing groove (46) have all been seted up to the upper surface of supporting seat (4), the inner wall fixedly connected with direction rack (47) of standing groove (46), two the equal fixedly connected with carriage (48) in a side surface of supporting seat (4), two the relative surface of carriage (48) all is through bearing fixedly connected with installation roller (49).
8. The method for preparing the degradable food packaging material of claim 7, wherein the method comprises the following steps: a second mounting opening (410) is formed in one side surface of the upper end of one of the support frames (48), a second driving motor (411) is fixedly mounted on the inner wall of the second mounting opening (410), one end surface of a spindle of the second driving motor (411) is fixedly connected with one end surface of the mounting roller (49), and support blocks (412) which are distributed in an annular array mode by taking the axis of the mounting roller (49) as the center line are fixedly connected to the outer surface of the mounting roller (49).
9. The method for preparing the degradable food packaging material of claim 8, wherein the method comprises the following steps: the one end surface of supporting shoe (412) has seted up spout (413), the inner wall slip grafting of spout (413) has sliding block (414), one side fixed surface of sliding block (414) is connected with spring (415), the free end of spring (415) with the one end inner wall fixed connection of spout (413), the one end fixed surface of sliding block (414) is connected with installation piece (416), the one end fixed surface of installation piece (416) is connected with deflector (417), interface (418) have been seted up to one side surface of installation piece (416).
10. The method for preparing the degradable food packaging material of claim 9, wherein the method comprises the following steps: every two are relative the inner wall of interface (418) all pegs graft and have the rolling part, the rolling part includes spliced pole (419), the rotatory wind-up roll (420) that has cup jointed of middle part surface of spliced pole (419), the both ends surface of spliced pole (419) all fixedly cup joints drive gear (421), two the equal fixedly connected with in a side surface of supporting seat (4) is guide block (422) of trapezium structure, two the spacing frame (423) of placing of the equal fixedly connected with in both sides surface of supporting seat (4).
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| CN202210099984.8A CN114316488A (en) | 2022-01-27 | 2022-01-27 | Degradable food packaging material and preparation method thereof |
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| CN107189296A (en) * | 2017-07-13 | 2017-09-22 | 闫博 | A kind of preparation method of degradable food product packing film |
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| CN111454584A (en) * | 2020-04-26 | 2020-07-28 | 刘科勇 | Non-toxic environment-friendly degradable packaging material and preparation method thereof |
| CN211366395U (en) * | 2020-01-01 | 2020-08-28 | 运城市鸿顺发塑料制品有限公司 | Automatic roll-changing and feeding device for cast PE film rolling |
| CN112917768A (en) * | 2021-01-20 | 2021-06-08 | 刘方 | Method for manufacturing and processing rubber waterstop |
| CN213474897U (en) * | 2020-10-16 | 2021-06-18 | 苏州亚微循环技术有限公司 | Rolling device for continuous bag production and convenient for automatic rolling roller replacement |
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2022
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| CN107189296A (en) * | 2017-07-13 | 2017-09-22 | 闫博 | A kind of preparation method of degradable food product packing film |
| CN110845832A (en) * | 2019-10-21 | 2020-02-28 | 刘辉 | Biodegradable film for inner package of sanitary product |
| CN211366395U (en) * | 2020-01-01 | 2020-08-28 | 运城市鸿顺发塑料制品有限公司 | Automatic roll-changing and feeding device for cast PE film rolling |
| CN111454584A (en) * | 2020-04-26 | 2020-07-28 | 刘科勇 | Non-toxic environment-friendly degradable packaging material and preparation method thereof |
| CN213474897U (en) * | 2020-10-16 | 2021-06-18 | 苏州亚微循环技术有限公司 | Rolling device for continuous bag production and convenient for automatic rolling roller replacement |
| CN112917768A (en) * | 2021-01-20 | 2021-06-08 | 刘方 | Method for manufacturing and processing rubber waterstop |
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Application publication date: 20220412 |