CN112251073A - Environment-friendly edible printing ink with bright fruits and color spraying equipment - Google Patents
Environment-friendly edible printing ink with bright fruits and color spraying equipment Download PDFInfo
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- CN112251073A CN112251073A CN202011037656.2A CN202011037656A CN112251073A CN 112251073 A CN112251073 A CN 112251073A CN 202011037656 A CN202011037656 A CN 202011037656A CN 112251073 A CN112251073 A CN 112251073A
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Images
Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/30—Inkjet printing inks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/135—Nozzles
- B41J2/14—Structure thereof only for on-demand ink jet heads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/135—Nozzles
- B41J2/14—Structure thereof only for on-demand ink jet heads
- B41J2/1433—Structure of nozzle plates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
- B41J3/407—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material
- B41J3/4073—Printing on three-dimensional objects not being in sheet or web form, e.g. spherical or cubic objects
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/30—Inkjet printing inks
- C09D11/32—Inkjet printing inks characterised by colouring agents
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/30—Inkjet printing inks
- C09D11/38—Inkjet printing inks characterised by non-macromolecular additives other than solvents, pigments or dyes
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Confectionery (AREA)
Abstract
The invention relates to an environment-friendly edible printing ink with bright fruits and color spraying equipment, which comprises the following components in parts by weight: 40 parts of starch, 40-60 parts of soybean oil, 30-40 parts of rose pulp, 300 parts of water 200, 15-20 parts of sucrose, 10-15 parts of potassium sorbate and 20-30 parts of soybean phospholipid. The invention adopts a gradient temperature-changing mixing ultramicro ball milling plasticizing ink-making technology, carries out batch gradient temperature-changing ball milling aiming at the optimal reaction conditions of different components, exerts the optimal performance of each component, and can obviously improve the fineness and the uniformity of the raw materials by the ultramicro ball milling compared with the traditional grinding and stirring mode.
Description
Technical Field
The invention belongs to the field of food printing, and relates to ink and color spraying equipment, in particular to environment-friendly edible ink with bright fruits and color spraying equipment.
Background
With the improvement of living standard and aesthetic value of people, the fruit color printing technology gradually appears, the technology combines printing equipment and edible printing ink, and personalized fonts or patterns are printed on the surfaces of fruits such as apples and oranges, so that the products are beautified and packaged, the eyeballs of consumers can be attracted, the selling points of the products are improved, and the market prospect is wide.
The ink plays an important role in the printing, packaging and selling processes, and comprises a connecting material, color paste, a solvent, an auxiliary agent (such as an emulsifier, a dispersant, a preservative, a humectant and the like), and then the components are prepared, ground and stirred to form a uniform mixture, wherein the uniform mixture contains colors, has certain fluidity and moderate thickness, can be printed and can be dried on a printing stock. The traditional ink belongs to industrial ink, contains a large amount of Volatile Organic Compounds (VOC) such as benzene, alcohol, aromatic compounds and the like, seriously pollutes the environment, has strong carcinogenicity, seriously harms human health and cannot be used in the food industry. Edible printing ink sold in the market at present is usually prepared by mixing edible synthetic color paste and edible gum, adding animal and vegetable oil and water as solvents, and adding different auxiliary agent stabilizing systems in an auxiliary manner. However, the printing effect of the ink is poor, the coloring is not uniform, the ink is easy to oxidize and decolor, the safety is low, the environmental protection property is poor, and the ink cannot be accepted by consumers. Therefore, the preparation of the edible printing ink with bright color and environmental protection is very critical.
In addition, most of the traditional fruit printing equipment is modified from pad printing machines, and the pad printing machines are mainly used for industrial printing and have poor effect of printing fruit patterns. The working principle of the pad printing machine is that an air pump is used as power, a pattern is carved on the front portion of a steel plate in advance, the pattern is sunken, then ink is poured into an oil cup, the oil cup is located on the rear portion of the steel plate, a magnet is arranged at the bottom of the oil cup and is tightly combined with the steel plate, the oil cup moves forwards and slides when printing is conducted, the ink leaks into the pattern, then the ink cup is reset to scrape redundant ink, a pad printing soft rubber head is synchronously dipped and ground for printing, the pattern can be printed on a curved surface of a fruit, the operation similar to stamping is conducted, and the operation is. The pad printing machine has the advantages of very low automation degree, heavy machine body, high price, low working efficiency, high failure rate, low yield, time consumption and labor consumption. The spray printing technology can avoid the problems caused by complex operation, but the application of the spray printing technology in the aspect of beautiful packaging of fruits is rare, and the market is lack of special spray printing equipment for the fruits. Therefore, the market prospect of developing the special color spray printing equipment for the fruits is wide.
Through searching, the following relevant patent documents are found:
1. CN104046126A discloses an edible ink for screen printing and a preparation method thereof, comprising: 45 to 65 percent of binder, 15 to 25 percent of solvent, 1 to 3 percent of plasticizer, 1 to 5 percent of emulsifier, 1 to 5 percent of stabilizer, 10 to 40 percent of deionized water, 3 to 10 percent of edible color paste and 2 to 10 percent of lac edible solution.
The patent has the advantages of simple method, low price, good fluidity, low viscosity and quick drying property. The disadvantages are that the general connecting material needs higher temperature, the mixing and stirring temperature is too low, the best performance of each auxiliary agent cannot be well exerted, and simultaneously, color paste and lac are not heated and stirred, so that the system is difficult to blend, and the ink uniformity is low.
2. CN109263323A discloses a fruit printing flavor process, comprising the following steps: s1, printing: adopting screen printing, directly placing a screen printing plate on a printing stock, and scraping fragrant printing ink above the screen printing plate by using a scraper so that the fragrant printing ink leaks onto the printing stock through the screen printing plate; s2, surface treatment: coating and processing by adopting a special glazing coating machine, and oiling by utilizing coating machine equipment after the fragrant printing ink of a printed matter is dried completely, so that the absorption of paper on the gloss oil coating is reduced, and the glossiness of gloss oil is kept; s3, packaging: and packaging the paper product after printing and surface treatment to obtain a finished product.
The patent has the advantages of increasing the fragrance of the fruit and improving the purchasing desire of consumers. The method has the disadvantages that the scraper is adopted to press the screen printing plate, so that the outer surface of the fruit is easy to damage, the fruit is crushed, the shelf life is reduced, meanwhile, manual operation is needed, the efficiency is low, and the cost is high.
3. CN211195460U discloses a nozzle device and a jet printing apparatus, wherein each nozzle bottom plate is provided with at least one nozzle, each movable adjusting component is disposed on a corresponding nozzle bottom plate and used for adjusting a corresponding nozzle bottom plate to move along a first direction, and each swinging adjusting component is disposed on a corresponding nozzle bottom plate and used for adjusting a corresponding nozzle bottom plate to rotate around a second direction.
The advantage of this patent is that the position and the angle of each shower nozzle bottom plate can be adjusted respectively to this shower nozzle device, can adjust the alignment to the shower nozzle conveniently. The disadvantage is that the nozzle device can adjust the position angle of each nozzle, but is limited to plane jet printing, and can not jet print required patterns on a curved surface.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the environment-friendly edible ink with bright fruits, which is non-toxic and harmless and can be used for uniformly mixing oil components. Provides a fruit color spraying device which is suitable for spraying and printing curved fruits.
The technical scheme adopted by the invention for solving the technical problem is as follows:
an environment-friendly edible printing ink with bright fruits comprises the following components in parts by weight: 40 parts of starch, 40-60 parts of soybean oil, 30-40 parts of rose pulp, 300 parts of water 200, 15-20 parts of sucrose, 10-15 parts of potassium sorbate and 20-30 parts of soybean phospholipid.
A method for preparing environment-friendly edible printing ink with bright fruits,
adding 40 parts of starch and 40-60 parts of soybean oil into an ultramicro ball mill for mixing, grinding and plasticizing for 20-30 minutes, controlling the rotating speed of ball milling equipment to be 800r/min, controlling the internal temperature to be 90-100 ℃, and slowly adding 200 parts of water while grinding and stirring to obtain a blending solution A;
pouring 20-30 parts of soybean lecithin into ball milling equipment, controlling the rotating speed of the ball milling equipment to be 300r/min, controlling the internal temperature to be 50-60 ℃, grinding and stirring for 20-30min, and slowly adding 50-100 parts of water to prepare a blending solution B;
and mixing the blending liquid A and the blending liquid B, pouring the mixture into ball milling equipment, controlling the rotating speed of the ball milling equipment to be 150-.
Moreover, the preparation method of the red rose pulp comprises the following steps:
cleaning fresh red rose petals with deionized water, drying in an oven at 40-45 deg.C to constant weight, and cooling to room temperature to obtain dried rose petals;
carrying out superfine grinding on the dried petals, and sieving the crushed petals by a sieve of 100-120 meshes to obtain rose powder;
mixing rose powder and ethyl acetate according to the mass ratio of 1: 10, adding 0.2-0.3 part of ascorbic acid, performing ultrasonic extraction for 20-30min at the temperature of 50-60 ℃ and the ultrasonic power of 200-300W, repeatedly extracting for 2-3 times, and performing suction filtration to obtain a filtrate;
evaporating and concentrating the filtrate at the rotation speed of 80-120 r/min, the pressure of 500-600 mmHg and the temperature of 40-50 ℃ for 15-20 min to prepare the rose pulp.
The utility model provides an edible printing ink color spray equipment, includes aircraft nose, frame, conveyer belt, ink horn, the porous shower nozzle of curved surface, and the conveyer belt passes through the frame to be supported, installs the aircraft nose in the top of conveyer belt, installs the ink horn in the aircraft nose, and the ink horn is at the porous shower nozzle of aircraft nose outer joint curved surface, installs curved surface pattern fretwork cutting board in the below of the porous shower nozzle of curved surface, installs the fruit inductor at the conveyer belt lateral wall of shower nozzle below.
Moreover, a display screen is arranged on the outer wall of the machine head.
Moreover, fruit clamping grooves are formed on the conveying belt.
And, set up fruit type inductive probe in the fruit draw-in groove bottom center.
And the spraying surface of the curved surface porous spray head is arc-shaped, and a plurality of diffusion type micro nozzles are uniformly arranged on the spraying surface.
Aiming at the problems of poor printing color, poor safety and the like caused by artificial synthesis, impure property, lack of efficacy, easy oxidation and the like of the traditional edible ink. Firstly, the rose red color paste prepared by the natural red rose petals has bright luster and is not easy to fade. The rose color paste has high antioxidant activity, can promote blood circulation, improve the metabolic capability of a body, maintain beauty and keep young, make the skin smooth and white, condition qi and blood and eliminate fatigue of the body. Natural red rose petals are concentrated by adding a color protection factor ascorbic acid in cooperation with rotary vacuum distillation to prepare bright red rose color paste; selecting a mixture of starch and soybean oil as a connecting material; ③ selecting cane sugar as the sweetening agent; selecting potassium sorbate as preservative; selecting soybean phospholipid as the emulsifier; the solvent is water. The rose red ink prepared by the technology has bright color and is not easy to fade, and the components are all nontoxic, harmless and edible raw materials, so that the environment is protected and no pollution is caused.
Aiming at the problems of color difference, poor printing effect and the like caused by uneven grinding and stirring in the ink preparation process, the invention adopts an edible component gradient mixing ultramicro ball milling plasticizing ink preparation technology. Firstly, the ball milling tank is driven by a motor to vibrate in a radial non-equilibrium mode, high-temperature milling balls alternately impact, rub and shear extrudate from different directions, the contact area is increased, the internal temperature is adjusted by controlling the rotating speed, material particles are extremely thinned, and uniform mixing of oil components is facilitated.
The automatic fruit printing machine aims at the problems that the traditional pad printing equipment is low in fruit printing automation degree, low in working efficiency, high in fruit printing failure rate, low in yield, time-consuming, labor-consuming and the like. The invention develops a special color spray printing device for fruits.
The problem that the traditional spray printing equipment is limited in printing range, can only perform printing work on a plane and cannot perform curved pattern printing is solved. The special color ink jet printing equipment for the fruits has the advantages that the position of the spray head is subjected to curved surface transformation, the spray head bottom plate is arranged in a bent mode, the bottom plate is provided with the plurality of diffusion type spray heads, and the engraving plate is connected to the lower side of the spray head, is also designed to be a curved surface and is parallel to the spray head bottom plate, so that the special color ink jet printing equipment for the fruits is suitable for jet printing of the curved.
The problems that manual fruit selection is needed in traditional fruit printing, manual fixed fruits are printed one by one, the labor amount is large, the working efficiency is low, the printing failure rate is high and the like are solved. According to the fruit spray printing machine, the conveying belt is provided with the fruit clamping grooves with the same spacing distance, different types of clamping grooves can be designed according to the types of fruits, the fruit type sensing probe device is arranged in the center of the bottom of each clamping groove, the system presets the optimal placing position of the fruits suitable for spray printing, the front part of the conveying belt can be connected with the automatic fruit selecting equipment to select the fruits with similar sizes and fruit types, the screened fruits meeting the requirements can automatically slide into the fruit clamping grooves, the fruit type falling state is sensed in the clamping grooves, the placing position of the fruits is automatically adjusted, the set optimal spray printing placing position is achieved, the full-automatic spray printing of the fruits is achieved, manual participation is not needed, and the working efficiency.
The invention has the advantages and positive effects that:
1. the method adopts a gradient temperature-changing mixing ultramicro ball milling plasticizing ink preparation technology, performs batch gradient temperature-changing ball milling according to the optimal reaction conditions of different components, exerts the optimal performance of each component, and can obviously improve the fineness and the uniformity of raw materials compared with the traditional grinding and stirring mode by using the ultramicro ball milling.
2. The invention creates the special color ink jet printing equipment for the fruits, adopts the curved surface jet printing technology, avoids damaging the surfaces of the fruits, and simultaneously ensures the completeness and the attractiveness of patterns. The automatic fruit selecting equipment is connected with the conveyor belt, and the conveyor belt is provided with a fruit automatic resetting clamping groove, so that automatic fruit spraying and printing are realized.
3. The invention carries out curved surface transformation on the position of the spray head, the spray head bottom plate is arranged in a bending way, the bottom plate is provided with a plurality of diffusion type spray heads, and the engraving plate is connected to the lower side of the spray head, is also designed into a curved surface and is parallel to the spray head bottom plate, thereby adapting to the curved surface spray printing requirement.
Drawings
FIG. 1 is a three-dimensional structure of the color spray printing device for fruits according to the present invention;
fig. 2 is a schematic structural view of a curved porous showerhead.
Detailed Description
The present invention is further illustrated by the following specific examples, which are intended to be illustrative, not limiting and are not intended to limit the scope of the invention.
An environment-friendly edible printing ink with bright fruits comprises the following components in parts by weight: 40 parts of starch, 40-60 parts of soybean oil, 30-40 parts of rose pulp, 300 parts of water 200, 15-20 parts of sucrose, 10-15 parts of potassium sorbate and 20-30 parts of soybean phospholipid
The preparation process flow of the ink comprises the following steps: raw material screening → batching → red rose color paste extraction → edible component gradient temperature change mixing ultramicro ball milling plasticizing ink making technology → cooling → packaging → finished product.
1. Red rose pulp extraction:
(1) cleaning fresh red rose petals with deionized water, drying in an oven at 40-45 deg.C to constant weight, and cooling to room temperature to obtain dried rose petals.
(2) And carrying out superfine grinding on the dried petals, and sieving by using a sieve of 100-120 meshes to obtain the rose powder.
(3) Mixing rose powder and ethyl acetate according to the mass ratio of 1: 10, adding 0.2-0.3 part of ascorbic acid, performing ultrasonic extraction for 20-30min at the temperature of 50-60 ℃ and the ultrasonic power of 200-300W, repeatedly extracting for 2-3 times, and performing suction filtration to obtain a filtrate.
(4) Evaporating and concentrating the filtrate at the rotation speed of 80-120 r/min, the pressure of 500-600 mmHg and the temperature of 40-50 ℃ for 15-20 min to prepare the rose pulp for later use.
2. The edible component gradient temperature-changing mixing ultramicro ball milling plasticizing ink-making technology comprises the following steps:
selecting components:
color paste: red rose color paste
Red rose pulp: the rose pigment has high antioxidant activity, and the color paste prepared from the rose pigment has bright color and is not easy to fade, and meanwhile, the rose pigment can promote blood circulation, improve the metabolic capability of a body, also can maintain beauty and keep young, remove black spots on the face, make the skin smooth and white, regulate qi and blood and eliminate fatigue of the body.
Connecting materials: starch, soybean oil
Starch: the function of pre-pasting the blending liquid is achieved, the viscosity of the mixed liquid is increased, the toughness is increased, and the fluidity is improved.
Soybean oil: the soybean oil contains rich antioxidant vitamin E, has good transparency and fluidity, and the prepared ink has good glossiness, and simultaneously contains fatty acid-linoleic acid which is necessary for human body, and has physiological function of supplementing necessary nutrient elements for human body.
A sweetening agent: sucrose
Sucrose: the ink can not only play a role of a color paste carrier, but also improve the adsorption force of the ink on a printing plate and uniformly disperse the color paste in the ink.
Emulsifier: soybean lecithin
Soybean lecithin: the soybean lecithin is used as an emulsifier, has strong emulsifying function, can emulsify oil and fat in water, can be suitable for various emulsifying systems due to good flexibility, can reduce the surface tension of edible ink, and ensures that the surface tension of the ink is lower than the surface tension of a printing stock, thereby ensuring the printability of the ink and improving the stability of the ink.
Preservative: potassium sorbate
Potassium sorbate: the potassium sorbate can effectively inhibit the activity of mould, microzyme and aerobic bacteria, thereby effectively prolonging the preservation time of the food and keeping the flavor of the original food.
Preparing ink:
s1: adding 40 parts of starch and 40-60 parts of soybean oil into an ultramicro ball mill, mixing, grinding and plasticizing for 20-30 minutes, controlling the rotating speed of ball milling equipment to be 800r/min, controlling the internal temperature to be 90-100 ℃, slowly adding 200 parts of water while grinding and stirring to obtain a blending solution A, and taking out.
S2: and pouring 20-30 parts of soybean lecithin into ball milling equipment, controlling the rotating speed of the ball milling equipment at 300r/min, controlling the internal temperature at 50-60 ℃, grinding and stirring for 20-30min, slowly adding 50-100 parts of water to prepare a blending solution B, and taking out.
S3: mixing the blending liquid A and the blending liquid B, pouring the mixture into ball milling equipment, controlling the rotating speed of the ball milling equipment to be 150 plus 200r/min, controlling the internal temperature to be 35-45 ℃, sequentially adding 30-40 parts of rose color pulp, 15-20 parts of sweetening agent and 10-15 parts of preservative under the stirring condition, and randomly combining, grinding and stirring for 40-60min until the components are completely and uniformly mixed and molded to prepare the bright environment-friendly edible ink for subsequent special jet printing equipment for fruits.
Example 1:
s1: adding 40 parts of starch and 60 parts of soybean oil into an ultramicro ball mill, mixing, grinding and plasticizing for 30 minutes, controlling the rotating speed of ball milling equipment to be 800r/min, controlling the internal temperature to be 90-100 ℃, slowly adding 150 parts of water while grinding and stirring to obtain a blending solution A, and taking out. S2: and pouring 25 parts of soybean lecithin into ball milling equipment, controlling the rotating speed of the ball milling equipment to be 300r/min, controlling the internal temperature to be 50-60 ℃, grinding and stirring for 30min, slowly adding 50 parts of water to prepare a blending solution B, and taking out. S3: and mixing the blending liquid A and the blending liquid B, pouring the mixture into ball milling equipment, controlling the rotating speed of the ball milling equipment to be 150-200r/min, controlling the internal temperature to be 35-45 ℃, sequentially adding 35 parts of color paste, 15 parts of sweetening agent and 10 parts of preservative under the stirring condition, and grinding and stirring for 40min to obtain the ink.
Example 2:
s1: and adding 40 parts of starch and 40 parts of soybean oil into an ultramicro ball mill, mixing, grinding and plasticizing for 20 minutes, controlling the rotating speed of ball milling equipment to be 800r/min, controlling the internal temperature to be 90-100 ℃, slowly adding 200 parts of water while grinding and stirring to obtain a blending solution A, and taking out. S2: and (2) pouring 20 parts of soybean lecithin into ball milling equipment, controlling the rotating speed of the ball milling equipment to be 300r/min, controlling the internal temperature to be 50-60 ℃, grinding and stirring for 20min, slowly adding 100 parts of water to prepare a blending solution B, and taking out. S3: and mixing the blending liquid A and the blending liquid B, pouring the mixture into ball milling equipment, controlling the rotating speed of the ball milling equipment to be 150-200r/min, controlling the internal temperature to be 35-45 ℃, sequentially adding 40 parts of color paste, 15 parts of sweetening agent and 15 parts of preservative under the stirring condition, and grinding and stirring for 50min to obtain the ink.
Example 3:
s1: adding 40 parts of starch and 50 parts of soybean oil into an ultramicro ball mill, mixing, grinding and plasticizing for 30 minutes, controlling the rotating speed of ball milling equipment to be 800r/min, controlling the internal temperature to be 90-100 ℃, slowly adding 175 parts of water while grinding and stirring to obtain a blending solution A, and taking out. S2: and pouring 30 parts of soybean lecithin into ball milling equipment, controlling the rotating speed of the ball milling equipment to be 300r/min, controlling the internal temperature to be 50-60 ℃, grinding and stirring for 25min, slowly adding 50 parts of water at the same time to prepare a blending liquid B, and taking out. S3: and mixing the blending liquid A and the blending liquid B, pouring the mixture into ball milling equipment, controlling the rotating speed of the ball milling equipment to be 150-200r/min, controlling the internal temperature to be 35-45 ℃, sequentially adding 30 parts of color paste, 10 parts of sweetening agent and 15 parts of preservative under the stirring condition, and grinding and stirring for 50min to obtain the ink.
The detection method comprises the following steps:
(1) the color of the ink was measured according to GB/T14624.1-93 "ink color test methods".
(2) The fineness was measured according to the fineness measurement method specified in GB/T6753.1-2007 measurement of fineness of grind of color paint, varnish and printing ink.
(3) The fluidity was measured according to GB/T14624.3-93 "test methods for fluidity of ink".
(4) The ink viscosity was measured according to GB/T14624.5-93 "ink viscosity test methods".
(5) The coloring power of the ink was measured in accordance with GB/T14624.2-93 "method for testing coloring power of ink".
(6) VOC content: the dish was heated in an oven at 110 ℃ for 20 minutes and then cooled at room temperature for 10 minutes, and the weight A of the dish was weighed. About 1g of sample ink was weighed into an empty measuring dish, and the weight B of the sample was recorded. The dish was placed in an oven and heated at a temperature of 100 ℃ for 60 minutes. The heated measuring dish was cooled at room temperature for 10 minutes, and the measuring dish to which the ink residue was adhered after heating was weighed again, and the total weight C was recorded. The VOC content was calculated. In general, the above operation is repeated, and the VOC content of the ink is taken as the average of three tests.
The inks obtained in examples 1, 2 and 3 and commercially available inks were subjected to the following index property measurement, and the results are shown in the following table.
The L value represents the brightness of the product, a value represents red/green, b value represents yellow/blue.
The result shows that the edible ink prepared by the invention has good color value, viscosity, fluidity, fineness and coloring effect, almost contains no VOC, is obviously superior to the edible ink sold in the market, and is environment-friendly and efficient.
A special color spray printing device for fruits comprises a machine head 1, a frame 5, a conveyor belt 4, an ink box and a curved surface porous spray head 3. The conveyer belt passes through the frame to be supported, makes on the conveyer belt fruit draw-in groove 8. The machine head is arranged above the conveyor belt, the ink box is arranged in the machine head, the ink box is connected with the curved surface porous spray head outside the machine head, the curved surface pattern hollowed-out engraving plate 6 is arranged below the curved surface porous spray head, and the display screen 2 is arranged on the outer wall of the machine head. A fruit sensor 7 is arranged on the side wall of the conveyor belt below the spray head.
The device is connected with a small air pump, the operation depends on air pressure as working power, and the air valve is positioned inside the machine head. When the equipment works, prepared edible printing ink is filled into the ink box firstly, the printing ink sinks into the curved surface porous spray head device through the action of gravity, a spray printing interval is arranged on the display screen, the spray printing times, the spray printing speed, the height of the spray head, automatic/manual spray printing and other operations are set, power is provided to spray the printing ink when the air pump operates, patterns on the hollowed-out engraving plate are sprayed and printed on the surface of fruits, the height of the spray head is adjusted to adapt to different types of fruits, the fruits enter the bottom of the engraving plate to reduce pores as far as possible, the curved surface of the fruits is parallel to the curved surface of the spray head, thereby ensuring complete spray printing and having attractive effect. And adjusting the running speed of the conveyor belt according to the spray printing speed to synchronize the spray printing speed and the conveyor belt, instantly spraying and printing when the fruit sensor senses that the fruits enter the bottom of the center of the spray printing curved groove, automatically and repeatedly carrying out, and conveying and collecting finished fruits through the conveyor belt.
The curved surface porous spray head is shown in figure 2, the spray surface of the spray head is arc-shaped, a plurality of diffusion type micro spray nozzles 9 are uniformly installed on the spray surface, fruits 11 laterally enter a spray printing area in a fruit trough of a conveyor belt, and the whole distance of the spray head is regulated and controlled to finally enable a fruit printing curved surface 10 and a curved surface hollow pattern engraving plate 6 to form tiny pores, so that the patterns can be completely and attractively printed on the curved surfaces of the fruits, and the problems of pattern deletion, coverage and the like cannot occur. The printing ink is sprayed out by a plurality of diffusion type micro spray heads, passes through the hollowed-out positions of the curved surface pattern engraving plate, and prints the pattern on the curved surface of the fruit passing through the hollowed-out positions.
Set up a plurality of fruit draw-in grooves that spacing distance is the same on the conveyer belt, can design different grade type draw-in grooves according to fruit kind, draw-in groove bottom center sets up fruit type inductive probe, the system has set for in advance that the fruit is fit for spouting seal best locating position, the anterior automatic fruit selection equipment of joinable of conveyer belt, select the size, the similar fruit of fruit type, the fruit that accords with the requirement after the screening can automatic landing to the fruit draw-in groove, the fruit type of draw-in groove internal response falls into the state, automatic adjustment fruit locating position, reach the best seal locating position that spouts that sets for, thereby realize fruit full automatization and spout the seal, need not artifical the participation, and the work efficiency.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the inventive concept, and these changes and modifications are all within the scope of the present invention.
Claims (8)
1. An environment-friendly edible printing ink with bright fruits comprises the following components in parts by weight: 40 parts of starch, 40-60 parts of soybean oil, 30-40 parts of rose pulp, 300 parts of water 200, 15-20 parts of sucrose, 10-15 parts of potassium sorbate and 20-30 parts of soybean phospholipid.
2. A preparation method of environment-friendly edible printing ink with bright fruits is characterized by comprising the following steps:
adding 40 parts of starch and 40-60 parts of soybean oil into an ultramicro ball mill for mixing, grinding and plasticizing for 20-30 minutes, controlling the rotating speed of ball milling equipment to be 800r/min, controlling the internal temperature to be 90-100 ℃, and slowly adding 200 parts of water while grinding and stirring to obtain a blending solution A;
pouring 20-30 parts of soybean lecithin into ball milling equipment, controlling the rotating speed of the ball milling equipment to be 300r/min, controlling the internal temperature to be 50-60 ℃, grinding and stirring for 20-30min, and slowly adding 50-100 parts of water to prepare a blending solution B;
and mixing the blending liquid A and the blending liquid B, pouring the mixture into ball milling equipment, controlling the rotating speed of the ball milling equipment to be 150-.
3. The method of claim 2, wherein: the preparation method of the rose pulp comprises the following steps:
cleaning fresh red rose petals with deionized water, drying in an oven at 40-45 deg.C to constant weight, and cooling to room temperature to obtain dried rose petals;
carrying out superfine grinding on the dried petals, and sieving the crushed petals by a sieve of 100-120 meshes to obtain rose powder;
mixing rose powder and ethyl acetate according to the mass ratio of 1: 10, adding 0.2-0.3 part of ascorbic acid, performing ultrasonic extraction for 20-30min at the temperature of 50-60 ℃ and the ultrasonic power of 200-300W, repeatedly extracting for 2-3 times, and performing suction filtration to obtain a filtrate;
evaporating and concentrating the filtrate at the rotation speed of 80-120 r/min, the pressure of 500-600 mmHg and the temperature of 40-50 ℃ for 15-20 min to prepare the rose pulp.
4. An edible printing ink color spraying device is characterized in that: the machine head is installed above the conveyor belt, the ink box is installed in the machine head, the ink box is connected with the curved surface porous sprayer outside the machine head, a curved surface pattern hollow engraving plate is installed below the curved surface porous sprayer, and a fruit sensor is installed on the side wall of the conveyor belt below the sprayer.
5. The apparatus of claim 4, wherein: and a display screen is arranged on the outer wall of the machine head.
6. The apparatus of claim 4, wherein: fruit clamping grooves are formed on the conveying belt.
7. The apparatus of claim 6, wherein: a fruit type induction probe is arranged at the center of the bottom of the fruit clamping groove.
8. The apparatus of claim 4, wherein: the spraying surface of the curved surface porous spray head is arc-shaped, and a plurality of diffusion type micro nozzles are uniformly arranged on the spraying surface.
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Application publication date: 20210122 |