CN114318949B - Laminating paper applied to food packaging and production process of laminating paper - Google Patents
Laminating paper applied to food packaging and production process of laminating paper Download PDFInfo
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- CN114318949B CN114318949B CN202111431605.2A CN202111431605A CN114318949B CN 114318949 B CN114318949 B CN 114318949B CN 202111431605 A CN202111431605 A CN 202111431605A CN 114318949 B CN114318949 B CN 114318949B
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Abstract
The invention discloses laminating paper applied to food packaging and a production process of the laminating paper, and belongs to the field of laminating paper. A laminated paper applied to food packaging and a production process of the laminated paper are disclosed, wherein raw materials of polyvinyl alcohol, sodium carboxymethylcellulose, a defoaming agent, an antibacterial liquid and deionized water are added into a reaction vessel in batches according to different proportions, stirred and dispersed uniformly at 28-30 ℃ and a rotation speed of 400 plus materials at 800r/min, heated to 75-80 ℃ and continuously dissolved for 15-30min, and then diluted to a concentration of 6-8% to obtain a laminated material; arranging the base paper on a corona roller of a corona machine for corona surface treatment to coarsen the surface of the base paper; the raw materials are added into a reaction container in batches for mixing, so that the mixing speed of the raw materials is increased, and the binding capacity between the laminating material and the raw paper is improved.
Description
Technical Field
The invention relates to the field of laminating paper, in particular to laminating paper applied to food packaging and a production process of the laminating paper.
Background
The food packaging material can protect food, prevent the food from being damaged by external factors in the circulation process, keep the stable quality of the food, and can effectively attract consumption if the packaging material has a good printing effect after being printed, thereby having a value beyond the material cost. In the field of food packaging materials, some liquid foods require packaging materials with water-proof, oil-proof, heat-sealing and heat-insulating functions, such as instant noodles, cold drinks, hot drinks and the like. In the existing market, the laminating paper is commonly used for the food packaging requirements, and the laminating paper is a composite material formed by processing plastic particles such as Polyethylene (PE), polypropylene (PP) and the like on the surface of paper by processes such as tape casting and the like; the paper is mainly characterized in that the paper can be oil-proof, water-proof (relative) and heat-sealable.
In the existing production process of the laminated paper, different formulas are mixed and stirred, a certain time is spent, large electric power is consumed in the process, even if the certain time is spent, the raw materials cannot be uniformly dispersed under certain conditions, and the finally prepared laminated paper has poor bonding capability between a film layer and a base material layer and cannot meet the use requirement.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide laminating paper applied to food packaging and a production process of the laminating paper.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A production process of laminating paper applied to food packaging comprises the following steps:
s1, adding the raw materials including polyvinyl alcohol, sodium carboxymethylcellulose, a defoaming agent, an antibacterial liquid and deionized water into a reaction vessel in batches according to different proportions, stirring and dispersing uniformly at the temperature of 28-30 ℃ and the rotating speed of 400-;
s2, arranging the base paper on a corona roller of a corona machine for corona surface treatment to coarsen the surface of the base paper;
s3, loading the film coating material into a hopper of a film coating machine, loading the base paper subjected to corona treatment into the film coating machine, spraying the mixture onto one side or two sides of the base paper through the film coating machine, and drying to obtain the finished product of the film coated paper.
Furthermore, the weight percentage of the polyvinyl alcohol is 40-60%, the weight percentage of the sodium carboxymethylcellulose is 10-30%, the weight percentage of the defoaming agent is 5-10%, the weight percentage of the antibacterial liquid is 1-5%, and the balance is deionized water.
Furthermore, the upper end of the reaction container is of an open structure, and at least one material box for containing raw materials is detachably connected in the reaction container; the upper end and the lower end of the material box are both of an opening structure, the lower end of the material box is rotatably connected with a discharging plate, and the rotating opening and closing angle of the discharging plate relative to the material box is used for controlling the batch amount of the raw materials to be added into the reaction container; an adjusting structure is arranged in the reaction container, the adjusting structure can move up and down in the reaction container and is used for controlling the rotating opening and closing angle of the material discharging plate relative to the material box, and the up-and-down movement of the adjusting structure can also be used for stirring the raw materials; the bottom end of the reaction vessel is provided with a driving structure, the driving structure is connected with the adjusting structure and used for driving the adjusting structure to move up and down in the reaction vessel, and the driving structure can also be used for stirring raw materials.
Furthermore, a hanging lug is fixedly connected to the end face of the side of the material box, and the material box is hung on the edge of the upper end of the reaction container through the hanging lug to be detachably connected with the reaction container.
Further, the adjusting structure comprises a sleeve, a mixing shaft and a blocking part; the inner wall of the sleeve is provided with internal threads; at least one group of mixing shafts is fixedly arranged on the outer wall of the sleeve, and the number of each group of mixing shafts is at least two; the bottom end of the blocking part is fixed with the upper end of the mixing shaft, and the upper end of the blocking part is abutted against the bottom end of the discharging plate; the blocking part is of an annular structure, and the outer diameter of the blocking part is smaller than the length of the mixing shaft.
Furthermore, the driving structure comprises a rotating motor, a rotating drum and a limiting part; the rotating motor is fixedly arranged at the central part of the bottom end of the reaction vessel; the output end of the rotating motor penetrates through the bottom end of the reaction container and extends into the reaction container to be fixed with the bottom end of the rotary drum; the side wall of the rotary drum is provided with external threads, and the sleeve is in threaded connection with the outer wall of the rotary drum; the limiting part is connected to the upper end of the rotary drum through external threads and threads; the length of the external thread is greater than the height of the sleeve.
Furthermore, at least one cleaning structure is arranged in the reaction container, the cleaning structure is used for cleaning the clearance of the external thread on the rotary sleeve, which is positioned outside the sleeve, and the cleaning structure is always positioned on the lower side of the sleeve; the adjusting structure drives the cleaning structure to move downwards relative to the rotary drum when moving downwards in the reaction vessel; at least one positioning structure is arranged in the reaction container, and the positioning structure is connected with the cleaning structure and used for limiting the up-and-down movement of the cleaning structure.
Furthermore, the cleaning structure comprises a connecting part, a positioning hole, a wiping part and a sealing gasket; the connecting part is a floating plate with buoyancy, and the upper end surface of the connecting part, which is close to the rotary drum, is contacted with the bottom end of the sleeve; the positioning hole is formed in the upper end face of the connecting part; the wiping part is fixedly arranged at the side end of the connecting part close to the rotary drum, the wiping part is of an arc-shaped structure, and the end surface of the wiping part far away from the connecting part is contacted with the external thread on the rotary drum; the sealing gasket is of an annular structure and is fixedly arranged between the outer wall of the limiting part and the outer wall of the sleeve.
Furthermore, the positioning structure comprises a positioning column and a positioning bulge; the bottom end of the positioning column is fixed with the inner bottom wall of the reaction container, and the positioning column penetrates through the positioning hole; the positioning bulge is fixedly arranged at the upper end of the positioning column, the positioning bulge is made of rubber, and the diameter of the positioning bulge is larger than the inner diameter of the positioning hole.
A laminated paper for food package is prepared from the laminated paper through preparing the laminated paper, and features high adhesion to food, high strength and high toughness.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
according to the scheme, the raw materials can be added into the reaction container in batches for mixing, so that the mixing speed of the raw materials is increased, and the binding capacity between the laminating material and the base paper is improved.
(two) adjust the rotation angle that opens and shuts that the structure set up on the one hand can be used for controlling the relative material box of blowing board, make the raw materials in the material box slowly add reaction vessel and mix, on the other hand adjusts the structure and can stir mixing raw materials rotating the in-process that moves down, the mixture of raw materials dissolves with higher speed.
And (III) the adjusting structure is arranged, and meanwhile, the cleaning structure can be driven to move downwards in the downward moving process to clean impurities in the rotating external thread clearance.
And (IV) the positioning structure and the cleaning structure are matched to clean impurities in the clearance of the external thread on the rotary drum, and the raw material particles in the flowing mixed liquid can be broken up to accelerate the dispersion of the raw material particles.
And (V) in the upward moving process of the cleaning structure, an additional structure is not required to be additionally arranged, upward movement is realized by virtue of the buoyancy of the cleaning structure in the solution, and the upward moving speed of the cleaning structure can be accelerated by flowing liquid.
The detachable connection mode that the material box is connected with the reaction container through the hangers has the following effects: firstly, the material box is convenient to place at any position of the reaction container, does not need to find a specific position for installation, and is easy to take down; secondly, a plurality of material boxes are conveniently configured according to use requirements; thirdly, conveniently take off the regulation structure from the drive structure and wash the operation.
Drawings
FIG. 1 is a flow chart of the present invention;
fig. 2 is a schematic perspective view of embodiments 1 and 2 of the present invention;
FIG. 3 is a schematic perspective view, partially in section, of embodiment 1 of the present invention;
FIG. 4 is a schematic view of a partial cross-sectional structure of examples 1 and 2 of the present invention;
FIG. 5 is a schematic view of a partial perspective structure of the adjusting structure of embodiment 1 and embodiment 2 of the present invention when moved downward;
FIG. 6 is a perspective view of a positioning structure and a cleaning structure portion of the present invention;
fig. 7 is a perspective view of the connecting portion and the wiping portion of the present invention.
The numbering in the figures illustrates:
1, a reaction vessel;
2, a material box, 2-1 lugs and 2-2 discharging plates;
3, a driving structure, 3-1 a rotating motor, 3-2 a rotating drum and 3-3 a limiting part;
4, an adjusting structure, a 4-1 sleeve, a 4-2 mixing shaft and a 4-3 blocking part;
5, a positioning structure, 5-1 positioning columns and 5-2 limiting bulges;
6 cleaning structures, 6-1 connecting parts, 6-2 positioning holes, 6-3 wiping parts and 6-4 sealing gaskets.
Detailed Description
Example 1:
referring to fig. 1-7, a process for producing a laminated paper for food packaging includes the following steps:
s1, adding the raw materials including polyvinyl alcohol, sodium carboxymethylcellulose, a defoaming agent, an antibacterial liquid and deionized water into the reaction container 1 in batches according to different proportions, stirring and dispersing uniformly at the temperature of 28-30 ℃ and the rotating speed of 400-;
s2, arranging the base paper on a corona roller of a corona machine to carry out corona surface treatment so as to coarsen the surface of the base paper; the surface tension of the base paper can be improved, so that the laminating material can be better adhered to the surface of the treated base paper;
s3, filling the laminating material into a hopper of a laminating machine, filling the base paper subjected to corona treatment into the laminating machine, spraying the mixture on one side or two sides of the base paper through the laminating machine, and drying to obtain the finished laminating paper.
40-60% of polyvinyl alcohol, 10-30% of sodium carboxymethylcellulose, 5-10% of defoaming agent, 1-5% of antibacterial liquid and the balance of deionized water; specifically, 55% of polyvinyl alcohol, 10% of sodium carboxymethylcellulose, 5% of a defoaming agent and 3% of an antibacterial liquid.
The polyvinyl alcohol can enable the prepared film coating paper to have the characteristics of good compactness, flexibility, smoothness, oil resistance, solvent resistance, abrasion resistance, good gas barrier property and the like, is nontoxic, odorless and harmless to a human body, has good affinity with the natural environment, and can further increase the adhesion between the film coating material and the base paper by adding the sodium carboxymethyl cellulose.
The upper end of the reaction container 1 is of an open structure, and at least one material box 2 for containing raw materials is detachably connected in the reaction container 1; the upper end and the lower end of the material box 2 are both of an opening structure, the lower end of the material box 2 is horizontally arranged, the lower end of the material box 2 is rotatably connected with a material discharging plate 2-2, and the rotating opening and closing angle of the material discharging plate 2-2 relative to the material box 2 is used for controlling raw materials to be added into the reaction container 1 in batches; an adjusting structure 4 is arranged in the reaction vessel 1, the adjusting structure 4 can move up and down in the reaction vessel 1 to control the rotating opening and closing angle of the discharging plate 2-2 relative to the material box 2, and the up-and-down movement of the adjusting structure 4 can also be used for stirring raw materials; the bottom end of the reaction vessel 1 is provided with a driving structure 3, the driving structure 3 is connected with an adjusting structure 4 and used for driving the adjusting structure 4 to move up and down in the reaction vessel 1, and the driving structure 3 can also be used for stirring raw materials.
The adjusting structure 4 comprises a sleeve 4-1, a mixing shaft 4-2 and a blocking part 4-3; the inner wall of the sleeve 4-1 is provided with internal threads, the thread pitch is small, and the upward moving or downward moving speed of the sleeve 4-1 is slowed down; at least one group of mixing shafts 4-2 is fixedly arranged on the outer wall of the sleeve 4-1, and the number of each group of mixing shafts 4-2 is at least two; the bottom end of the blocking part 4-3 is fixed with the upper end of the mixing shaft 4-2, the upper end of the blocking part 4-3 is abutted against the bottom end of the material discharging plate 2-2, and the contact point between the blocking part 4-3 and the material discharging plate 2-2 is positioned in the middle of the material discharging plate 2-2; the blocking part 4-3 is of an annular structure, the outer diameter of the blocking part 4-3 is smaller than the length of the mixing shaft 4-2, when the rotating motor 3-1 is started clockwise, the rotating drum 3-2 is driven to rotate clockwise, the sleeve 4-1 is driven to move anticlockwise and downwards relative to the rotating drum 3-2, the blocking part 4-3 is driven to move downwards in the downward movement process of the sleeve 4-1, after the material discharging plate 2-2 loses the supporting function of the blocking part 4-3, the material discharging plate starts to rotate downwards and is opened under the action of self gravity and the weight of the raw materials, and the raw materials can fall into the reaction container 1 from an opened gap to be mixed; in the process of rotating and moving downwards the sleeve 4-1, the mixing shaft 4-2 and the blocking part 4-3 can also play a role of stirring, so that the mixing and dissolving of raw materials are accelerated.
The driving structure 3 comprises a rotating motor 3-1, a rotating drum 3-2 and a limiting part 3-3; the rotating motor 3-1 is fixedly arranged at the central part of the bottom end of the reaction vessel 1; the output end of the rotating motor 3-1 penetrates through the bottom end of the reaction vessel 1 and extends into the reaction vessel 1 to be fixed with the bottom end of the rotating drum 3-2; the side wall of the rotary drum 3-2 is provided with external threads, the distance between the external threads is small, and the sleeve 4-1 is in threaded connection with the outer wall of the rotary drum 3-2; the limiting part 3-3 is connected to the upper end of the rotary drum 3-2 through external threads and threads; the length of external screw thread is greater than the height of sleeve 4-1, and when rotating electrical machines 3-1 started, its output was carried out clockwise rotation for a certain time earlier, and then rotated for a certain time with the counter-clockwise, and the circulation is reciprocal like this, can drive adjusting structure 4 and move down after counter-clockwise rotation earlier and then clockwise rotation moves up, can realize the batch volume of raw materials and add, can realize again the mixing stirring to the raw materials for be difficult for producing the raw materials particle when raw materials dissolving speed and deposiing.
The limiting part 3-3 is an upper cover with an internal thread, the longitudinal section of the upper cover is in an inverted U shape, the limiting part 3-3 is arranged to limit the upward movement of the sleeve 4-1 on one hand, so that the sleeve 4-1 stops moving upwards when moving to be in contact with the bottom end of the material discharging plate 2-2, the material box 2 cannot be ejected out of the reaction container 1 due to continuous upward movement, the sleeve 4-1 can be conveniently taken down from the rotary drum 3-2 on the other hand, the sleeve 4-1 can be conveniently taken down from the rotary drum 3-2 for cleaning operation, and the next mixing operation is not influenced by residual impurities on the adjusting structure 4.
At least one cleaning structure 6 is arranged in the reaction container 1, the cleaning structure 6 is used for cleaning the clearance of the external thread on the rotary drum 3-2 outside the sleeve 4-1, and the cleaning structure 6 is always positioned at the lower side of the sleeve 4-1; the adjusting structure 4 drives the cleaning structure 6 to move downwards relative to the rotary drum 3-2 when moving downwards in the reaction vessel 1; at least one positioning structure 5 is arranged in the reaction container 1, the positioning structure 5 is connected with the cleaning structure 6 and used for limiting the up-down movement of the cleaning structure 6, the matching effect of the positioning structure 5 and the cleaning structure 6 can clean impurities in the clearance of the external thread on the rotary drum 3-2 on one hand, and can break up raw material particles in flowing mixed liquid on the other hand to accelerate the dispersion of the raw material particles.
The cleaning structure 6 comprises a connecting part 6-1, a positioning hole 6-2, a wiping part 6-3 and a sealing gasket 6-4; the connecting part 6-1 is a floating plate with buoyancy, the gravity of the sleeve 4-1 is greater than the buoyancy of the connecting part 6-1, and the upper end surface of the connecting part 6-1, which is close to the rotary drum 3-2, is contacted with the bottom end of the sleeve 4-1; the positioning hole 6-2 is formed in the upper end face of the connecting part 6-1; the wiping part 6-3 is fixedly arranged at the side end, close to the rotary drum 3-2, of the connecting part 6-1, the wiping part 6-3 is of an arc-shaped structure, and the end face, far away from the connecting part 6-1, of the wiping part 6-3 is in contact with external threads on the rotary drum 3-2; the sealing gasket 6-4 is of an annular structure, the sealing gasket 6-4 is fixedly arranged between the outer wall of the limiting part 3-3 and the outer wall of the sleeve 4-1, impurities generated in the stirring and dissolving process of raw materials are easy to attach to the gaps of the outer threads on the rotary drum 3-2 and are difficult to clean, so that the cleaning of the outer threads can be carried out while the raw materials are stirred through the arrangement of the cleaning part 6-3, the impurities are not easy to attach to the gaps of the outer threads and can be removed in time even if the impurities are attached, the impurities are not easy to remove due to overlong attachment time, the impurity removal mode of the outer thread gaps of the cleaning part 6-3 is realized through the downward moving driving of the sleeve 4-1 without adding an additional structure, the connecting part 6-1 is driven to slide up and down on the positioning column 5-1 when the sleeve 4-1 moves down, and the cleaning part 6-3 slides down along the outer threads under the driving action of the connecting part 6-1 to clean the impurities Because the connecting part 6-1 has buoyancy, when the sleeve 4-1 moves upwards, the connecting part 6-1 starts to move upwards under the action of the buoyancy to continuously clean impurities.
The sealing gasket 6-4 is arranged so that impurities in the liquid are not easy to enter the clearance of the external thread on the rotary drum 3-2 between the limiting part 3-3 and the sleeve 4-1 during the process that the sleeve 4-1 moves downwards in the rotating process, and the arrangement of the sealing gasket 6-4 does not influence the removal of the limiting part 3-3 from the rotary drum 3-2.
The positioning structure 5 comprises a positioning column 5-1 and a positioning bulge 5-2; the bottom end of the positioning column 5-1 is fixed with the inner bottom wall of the reaction container 1, and the positioning column 5-1 penetrates through the positioning hole 6-2; the positioning bulge 5-2 is fixedly arranged at the upper end of the positioning column 5-1, the positioning bulge 5-2 is made of rubber, the diameter of the positioning bulge 5-2 is larger than the inner diameter of the positioning hole 6-2, the moving range of the connecting part 6-1 is limited by the positioning column 5-1, the connecting part 6-1 can drive the wiping part 6-3 to move up and down along the external thread all the time to clean impurities, the positioning bulge 5-2 can limit the maximum displacement distance of the connecting part 6-1 relative to the inner bottom wall of the reaction container 1, and the positioning bulge 5-2 is extruded to a certain degree due to the rubber material, so that the connecting part 6-1 can be taken down from the positioning column 5-1, and the connecting part 6-1 can be cleaned or replaced subsequently.
A laminated paper for food package is prepared from laminated paper for food package through preparing.
Example 2:
the side end face of the material box 2 is fixedly connected with a hanging lug 2-1, the material box 2 is hung at the edge of the upper end of the reaction container 1 through the hanging lug 2-1 to be detachably connected with the reaction container 1, the material box 2 is attached to the inner wall of the reaction container 1, through the use of the hanging lug 2-1, on one hand, the material box 2 can be conveniently placed at any position on the reaction container 1 without finding a specific position to be installed and can be easily taken down, on the other hand, a plurality of material boxes 2 can be conveniently configured according to use requirements (when the reaction container 1 is applied to other material mixing environments), and meanwhile, the adjusting structure 4 can be conveniently taken out to be cleaned through a quick-disassembly operation mode between the material box 2 and the reaction container 1.
Example 3:
the bottom end of the material box 2 is arranged to be of an inclined structure, the inclined direction is inclined downwards relative to the inner wall of the reaction container 1, and the embodiment 3 is different from the embodiment 2 in that the bottom end of the material box 2 is different in shape, the inclined arrangement of the material box 2 can facilitate the blanking of raw materials, the surface of the hanging lug 2-1 in the material box 2 is not prone to raw material residue, and meanwhile, the cleaning operation of the material box 2 is facilitated.
Example 4:
the connecting part 6-1 is a sliding plate which has no buoyancy, the outer wall of the positioning column 5-1 is sleeved with an annular elastic washer (not shown), the elastic washer is positioned between the inner bottom wall of the reaction container 1 and the lower end face of the connecting part 6-1, the embodiment 4 is different from the embodiment 1 in that the material of the connecting part 6-1 is different, and an elastic washer structure is additionally arranged, compared with the embodiment 1, the embodiment 4 is more stable, when the sleeve 4-1 moves downwards to drive the connecting part 6-1 to slide upwards and downwards on the positioning column 5-1, the elastic washer is compressed, and in the process that the sleeve 4-1 moves upwards and returns, the connecting part 6-1 moves upwards and returns under the reverse elastic force of the elastic washer.
Claims (9)
1. A production process of laminating paper applied to food packaging is characterized in that: the method comprises the following steps:
s1, adding raw materials including polyvinyl alcohol, sodium carboxymethylcellulose, a defoaming agent, an antibacterial solution and deionized water into a reaction container (1) with an open structure at the upper end in batches according to different proportions, wherein at least one material box (2) for containing the raw materials is detachably connected in the reaction container (1); the upper end and the lower end of the material box (2) are both of an opening structure, the lower end of the material box (2) is rotatably connected with a material discharging plate (2-2), and the rotating opening and closing angle of the material discharging plate (2-2) relative to the material box (2) is used for controlling the batch amount of the raw materials to be added into the reaction container (1); an adjusting structure (4) is arranged in the reaction vessel (1), the adjusting structure (4) can move up and down in the reaction vessel (1) to control the rotating opening and closing angle of the discharging plate (2-2) relative to the material box (2), and the up-and-down movement of the adjusting structure (4) can also be used for stirring raw materials; the bottom end of the reaction container (1) is provided with a driving structure (3), the driving structure (3) is connected with an adjusting structure (4) and used for driving the adjusting structure (4) to move up and down in the reaction container (1), and the driving structure (3) can also be used for stirring raw materials; stirring and dispersing uniformly at 28-30 ℃ and the rotating speed of 400-;
s2, arranging the base paper on a corona roller of a corona machine for corona surface treatment to coarsen the surface of the base paper;
s3, filling the laminating material into a hopper of a laminating machine, filling the base paper subjected to corona treatment into the laminating machine, spraying the mixture on one side or two sides of the base paper through the laminating machine, and drying to obtain the finished laminating paper.
2. The production process of the laminating paper applied to the food packaging, according to the claim 1, is characterized in that: 40-60% of polyvinyl alcohol, 10-30% of sodium carboxymethylcellulose, 5-10% of defoaming agent, 1-5% of antibacterial liquid and the balance of deionized water.
3. The production process of the laminating paper applied to the food packaging, according to the claim 1, is characterized in that: the side end face of the material box (2) is fixedly connected with a hanging lug (2-1), and the material box (2) is hung on the edge of the upper end of the reaction container (1) through the hanging lug (2-1) to be detachably connected with the reaction container (1).
4. The production process of the laminating paper applied to the food packaging, according to the claim 1, is characterized in that: the adjusting structure (4) comprises a sleeve (4-1), a mixing shaft (4-2) and a blocking part (4-3);
the inner wall of the sleeve (4-1) is provided with internal threads;
at least one group of mixing shafts (4-2) is fixedly arranged on the outer wall of the sleeve (4-1), and the number of each group of mixing shafts (4-2) is at least two;
the bottom end of the blocking part (4-3) is fixed with the upper end of the mixing shaft (4-2), and the upper end of the blocking part (4-3) is abutted against the bottom end of the discharging plate (2-2);
the blocking part (4-3) is of an annular structure, and the outer diameter of the blocking part (4-3) is smaller than the length of the mixing shaft (4-2).
5. The production process of the laminating paper applied to the food packaging, according to the claim 4, is characterized in that: the driving structure (3) comprises a rotating motor (3-1), a rotating drum (3-2) and a limiting part (3-3);
the rotating motor (3-1) is fixedly arranged at the central part of the bottom end of the reaction vessel (1);
the output end of the rotating motor (3-1) penetrates through the bottom end of the reaction container (1) and extends into the reaction container (1) to be fixed with the bottom end of the rotating drum (3-2);
the side wall of the rotary drum (3-2) is provided with external threads, and the sleeve (4-1) is connected to the outer wall of the rotary drum (3-2) in a threaded manner;
the limiting part (3-3) is connected to the upper end of the rotary drum (3-2) through external threads and threads;
the length of the external thread is larger than the height of the sleeve (4-1).
6. The production process of the laminating paper applied to the food packaging, according to the claim 5, is characterized in that: at least one cleaning structure (6) is arranged in the reaction container (1), the cleaning structure (6) is used for cleaning the clearance of the external thread of the rotary drum (3-2) outside the sleeve (4-1), and the cleaning structure (6) is always positioned at the lower side of the sleeve (4-1);
the adjusting structure (4) drives the cleaning structure (6) to move downwards relative to the rotary drum (3-2) when moving downwards in the reaction container (1);
at least one positioning structure (5) is arranged in the reaction container (1), and the positioning structure (5) is connected with the cleaning structure (6) and used for limiting the up-and-down movement of the cleaning structure (6).
7. The production process of the laminating paper applied to the food packaging, according to the claim 6, is characterized in that: the cleaning structure (6) comprises a connecting part (6-1), a positioning hole (6-2), a wiping part (6-3) and a sealing gasket (6-4);
the connecting part (6-1) is a floating plate with buoyancy, and the upper end surface of the connecting part (6-1) close to the rotating drum (3-2) is contacted with the bottom end of the sleeve (4-1);
the positioning hole (6-2) is formed in the upper end face of the connecting part (6-1);
the wiping part (6-3) is fixedly arranged at the side end, close to the rotary drum (3-2), of the connecting part (6-1), the wiping part (6-3) is of an arc-shaped structure, and the end face, far away from the connecting part (6-1), of the wiping part (6-3) is in contact with external threads on the rotary drum (3-2);
the sealing gasket (6-4) is of an annular structure, and the sealing gasket (6-4) is fixedly arranged between the outer wall of the limiting part (3-3) and the outer wall of the sleeve (4-1).
8. The production process of the laminating paper applied to the food packaging, according to the claim 7, is characterized in that: the positioning structure (5) comprises a positioning column (5-1) and a positioning bulge (5-2);
the bottom end of the positioning column (5-1) is fixed with the inner bottom wall of the reaction container (1), and the positioning column (5-1) penetrates through the positioning hole (6-2);
the positioning bulge (5-2) is fixedly arranged at the upper end of the positioning column (5-1), the positioning bulge (5-2) is made of rubber, and the diameter of the positioning bulge (5-2) is larger than the inner diameter of the positioning hole (6-2).
9. The utility model provides a be applied to food package's drench membrane paper which characterized in that: the laminated paper is prepared by adopting the production process of the laminated paper applied to food packaging as claimed in any one of claims 1 to 8.
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| CN202111431605.2A CN114318949B (en) | 2021-11-29 | 2021-11-29 | Laminating paper applied to food packaging and production process of laminating paper |
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| CN202111431605.2A CN114318949B (en) | 2021-11-29 | 2021-11-29 | Laminating paper applied to food packaging and production process of laminating paper |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN111013435A (en) * | 2020-01-14 | 2020-04-17 | 陈国语 | Mixing equipment for paint dilution |
| CN113694810A (en) * | 2021-09-08 | 2021-11-26 | 四川大学 | Mechanical automation feeding mixing arrangement |
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2021
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| DE19533369A1 (en) * | 1995-09-09 | 1997-03-13 | Hermann Getzmann | Dispersing device and method |
| FR2742072A1 (en) * | 1995-12-08 | 1997-06-13 | Fillon Pichon Sa | TRAINING HEAD FOR AGITATOR POTS |
| CN102704328A (en) * | 2012-05-14 | 2012-10-03 | 斯迪克新型材料（江苏）有限公司 | Coating type polyester (PE)-coated paper |
| CN103215851A (en) * | 2013-04-15 | 2013-07-24 | 金东纸业（江苏）股份有限公司 | Backing paper for coating and coated paper employing backing paper |
| CN106283919A (en) * | 2016-08-31 | 2017-01-04 | 广东联枫新材料科技有限公司 | A kind of method manufacturing leaching membrane paper |
| CN110280176A (en) * | 2018-03-19 | 2019-09-27 | 重庆市智翔铺道技术工程有限公司 | A kind of vertical multicomponent height glues material continuous feeding blender and its application method |
| CN110026111A (en) * | 2019-05-30 | 2019-07-19 | 曾瑞琼 | A kind of pre-filtering mixing arrangement for paint sprayer tool |
| CN111013435A (en) * | 2020-01-14 | 2020-04-17 | 陈国语 | Mixing equipment for paint dilution |
| CN113694810A (en) * | 2021-09-08 | 2021-11-26 | 四川大学 | Mechanical automation feeding mixing arrangement |
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| CN114318949A (en) | 2022-04-12 |
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