CN2745940Y - Aluminium plated film neutralization aluminium washing machine - Google Patents
Aluminium plated film neutralization aluminium washing machine Download PDFInfo
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- CN2745940Y CN2745940Y CN 200420115315 CN200420115315U CN2745940Y CN 2745940 Y CN2745940 Y CN 2745940Y CN 200420115315 CN200420115315 CN 200420115315 CN 200420115315 U CN200420115315 U CN 200420115315U CN 2745940 Y CN2745940 Y CN 2745940Y
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- washing
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- reaction tank
- aluminium
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Abstract
An aluminium plated film neutralization aluminium washing machine of the utility model principally comprises a base, machine frames, a washing aluminum groove and a bake oven. The washing aluminum groove is fixed on the base, the bottom end of machine frame is fixed on the both ends of the base, the bake oven is fixed on the top of the two machine frames, an unreeling wheel used for putting film into the washing aluminum groove is fixed on the base in front of the washing aluminum groove, and a winding wheel used for tightening the film after washing aluminum is fixed on the machine frames. The utility model is provided with a sour reaction tank and an alkali reaction tank, the washing aluminum process is achieved through the neutralization reaction between the sour and the alkali, so the aluminium plated film neutralization aluminium washing machine has the advantages of stable reaction process, effective control to the time of washing aluminium, economy of water consumption with overcoming the chemical principle disadvantage of the existing alkali type washing aluminum mashine, good effect of washing aluminum, homogeneous and stable production quality, clear and integrated pattern, and that the aluminium plated film neutralization aluminium washing machine is able to product a good deal of cheap aluminizing packing film.
Description
Technical Field
The utility model relates to an aluminized film neutralization aluminum washer, especially one kind has sour, alkali reaction tank, utilizes acid-base neutralization reaction to realize washing aluminized film neutralization aluminum washer of aluminium technology, belongs to the mechanical manufacturing technology field.
Background
The plastic film plated with the total reflection aluminum layer is a common packaging product and is widely applied to food packaging, gift packaging and the like. The purpose of aluminum-plated film aluminum washing is to form a transparent or semitransparent dot pattern locally. At present, the technology can achieve the level of enabling the patterns to have gray levels, is popular in the market, is a competitive product in a packaging product, and is short in the market peak period.
The working principle of the aluminum washing process is that the process of printing transparent resin and forming a pattern protection layer is adopted, so that the protected aluminum layer is not corroded by alkali liquor, and the aluminum layer is prevented from being changed into a compound to fall off due to chemical reaction, and the area is changed into transparency.
At present, the aluminum layer is ablated by alkali in domestic aluminum washing, so that most of domestic aluminum washing machine equipment is basic aluminum washing machine equipment. The existing aluminum plating film aluminum washer has inherent defects of chemical technology and only has two functions of chemical reaction with aluminum and washing alkali residual liquid by a large amount of clear water. The water consumption of the existing equipment is huge, and the alkali and the aluminum can not stop the reaction in the optimal time, so that the optimal printing effect can not be controlled. This is a deficiency in chemical principles; the existing equipment has no water circulation function and is also a big defect.
In addition, the existing aluminum washing equipment is not provided with a residual liquid filtering device or a reaction speed control device, so that the aluminum washing effect is poor, and the product has the defects of incomplete pattern, uneven edges, holes and the like. During batch production, the two sections of effects after washing aluminum of each roll of film are inconsistent, the reaction in the initial section is fast, the middle section is centered, and finally the reaction is incomplete when the concentration of alkali liquor is low. Although the existing equipment adopts heating and temperature rise after filtration, the reaction speed can be increased to a certain extent, the front and back of the product are ensured to be close to the same aluminum washing effect as much as possible, and the pattern quality of the product is still seriously influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an aluminium machine is washed to thin film of aluminizing to prior art's not enough, should wash the aluminium machine and be equipped with sour, alkali reaction tank simultaneously, realize washing the aluminium process through acid-base neutralization reaction, the reaction sequence is stable, can effective control wash the aluminium time, when having overcome current alkali and wash aluminium equipment chemistry principle not enough, the using water wisely.
Another object of the utility model is to provide an aluminium film of aluminizing washes aluminium machine to prior art not enough, it is effectual to wash aluminium, and product quality is even stable, and the pattern is clear complete.
The utility model discloses a still another aim at to prior art not enough, provides an aluminized film aluminum washer, can produce a large amount of cheap aluminized packaging film, carries out extensive mechanized operation.
The utility model aims at realizing through the following technical scheme:
the utility model provides an aluminized film washes aluminium machine, should wash aluminium machine mainly comprises base, frame, washing aluminium groove and oven, washes the aluminium groove and fixes on the base, and the bottom mounting of frame is at the both ends of base, and the oven is fixed on the top of two frames, washes on the front end base of aluminium groove, is fixed with the unreeling wheel that is used for putting into washing aluminium groove with the film, is fixed with the rolling wheel that is used for tightening up the film after washing aluminium in the frame.
An alkali reaction tank and an acid reaction tank are sequentially arranged in the aluminum washing tank, a support is arranged in the tank body, and more than one film guide wheel for guiding and tightening the film is fixed on the support and the bottom of the tank body.
The middle rear parts of the alkali reaction tank and the acid reaction tank are also provided with water tanks which are separated by partition plates respectively. The water tank arranged at the middle and rear part of the alkali reaction tank is used for washing the aluminizer passing through the alkali reaction tank to be clean and removing the aluminizerSodium metaaluminate (NaAlO) produced by the chemical reaction of aluminum with alkali2) (ii) a And diluting the residual alkali liquor; the next step, the aluminizer enters an acid reaction tank, the residual alkali and the acid are subjected to chemical neutralization reaction, and a water tank arranged at the middle rear part of the alkali tank can reduce the consumption of the acid for the neutralization reaction, so that the production cost of chemicals is saved, and the production cost is low.
The water tank arranged at the middle rear part of the acid reaction tank is used for diluting and cleaning the aluminized film, a small amount of acid liquor in the product is used for neutralizing salt (NaCl) generated by reaction, and the produced finished product is neutral and clean and can be ensured for a long time without forming chemical pollution due to the salt and the acid.
In order to prevent the pollution of reaction liquid among the washing tanks, water squeezing rollers for squeezing excessive water on the film are respectively arranged among the alkali reaction tank, the water tank and the acid reaction tank.
The wringing roller is formed by matching a rubber roller and a steel roller, and a gap for the film to pass is arranged between the two rollers.
And adjusting rollers for keeping the film flat before entering the alkali reaction tank and the acid reaction tank are also arranged on the alkali reaction tank and the acid reaction tank.
The base is a rectangular base consisting of six channel steel, is used for supporting a machine body and installing various parts, is used as a base of the machine frame, and particularly can provide a platform for installing a basic structure for all the driving rollers.
The drying oven is a box body with an inner cavity, the inner cavity forms a heating drying tunnel, and more than one film guide roller is fixed in the drying tunnel.
To sum up, the utility model realizes the aluminum washing process through acid-base neutralization reaction, and the acid-base-aluminum reaction generates a compound NaALO2And precipitated in water, thereby making the portion not precoated with the protective resin a transparent portion. The pattern range includes both completely reflecting aluminum part and completely transparent part, and has artificially designed dot density change and continuous transmittance change, so as to form one new printing style including both color printing transparent ink and pure laser color.
The utility model discloses wash aluminium equipment provides a layeringThe aluminum washing process can wash out different reflection layers. Before the aluminum is washed in the chemical reaction mode, the protective resin with different thicknesses and different shapes (such as grid patterns and gray scale mode transitional printing) is artificially printed on the aluminum-plated film, so that the printing styles of the ink or the chemical resin with different thicknesses and different particle sizes can be directly formed. The protective layers are colorless and transparent, and only at the position without the protective layer in the chemical neutralization reaction, alkali directly reacts with aluminum to generate transparent NaAlO2Then washed by water to be removed, thereby becoming transparent and semitransparent, and forming the effect of different layering. The method is realized by the cooperation of an acid spraying pipe, an alkali spraying pipe and two main reaction tanks. The process is that the aluminum-plated film passes through the conveying roller, the reaction of aluminum and alkali in an alkali reaction tank is firstly carried out, and then the neutralization reaction and the secondary water washing process in an acid reaction tank are carried out. Has been washed outThe printing process provides integrated printing possibility for the color transparent ink and the covering ink overprint layer.
Adopt the utility model discloses a film of washing aluminium machine production becomes a packing product through washing aluminium and printing, can be used to dry fruit food bag production line, openly has the part to wash to be local transparent after the aluminium in the bag, makes the product of adorning in the bag striking see through, makes the people surveyability. Most surfaces of the vacuum envelope are provided with aluminum reflecting layers, which is beneficial to the function of food preservation and becomes a novel popular packaging product.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of the alkali reaction tank of the present invention;
fig. 3 is a schematic structural diagram of the acid reaction tank of the present invention.
Detailed Description
The technical solution of the present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1, is the overall structure diagram of the present invention. From fig. 1, the utility model relates to an aluminium plating film aluminum washer, this aluminum washer mainly comprises base 1, frame 2, aluminium washing groove 3 and oven 4, and aluminium washing groove 3 fixes on base 1, and the bottom 21 of frame 2 fixes at base 1's both ends, and oven 4 fixes on the top of two frames 2, washes on the front end base 1 of aluminium washing groove 3, is fixed with and is used for putting into the film and washes the unreeling wheel 5 in aluminium washing groove, is fixed with the rolling wheel 6 that is used for tightening up the film after washing the aluminium on frame 2.
An alkali reaction tank 31 and an acid reaction tank 32 are sequentially arranged in the aluminum washing tank 3, a support 33 is arranged in the tank body, and more than one film guide wheel 34 for guiding and tightening the film is fixed on the support 33 and the bottom of the tank body.
The middle rear part of the acid reaction tank is also provided with a water tank which is used for diluting and cleaning the aluminized film, a small amount of acid liquor in the product is used for neutralizing salt (NaCl) generated by reaction, and the produced finished product is neutral and clean and can be ensured for a long time without forming chemical pollution finished products due to the salt and the acid.
As shown in fig. 2 and fig. 3, the structure of the alkali reaction tank and the structure of the acid reaction tank are respectively shown in the figure. As is apparent from fig. 2 and 3, in order to prevent the reaction liquid between the wash tanks from being contaminated, squeeze rollers 313, 323, and 324 for squeezing excess water from the film are provided between the alkali reaction tank 31, the water tanks 311 and 321, and the acid reaction tank 32, respectively.
The squeeze rollers 313, 323, and 324 are composed of a rubber roller and a steel roller pair, and a gap for passing the film is provided between the rollers. The wringing roller consists of a steel roller and a rubber roller, has the function of wringing water, and does not have the function of dividing the aluminizer. The gap between the two rollers is adjusted by two groups of lifting screw adjusting structures, so that residual moisture on the film is fully squeezed.
The alkali reaction tank 31 and the acid reaction tank 32 are further provided with leveling rollers 314, 315, and 325 for keeping the film flat before entering the alkali reaction tank 31 and the acid reaction tank 32.
As shown in figure 1, the base 1 is a rectangular machine base consisting of six channel steels, the base and the reaction tank body are parallel to the ground, various mechanical parts can be installed on the base and the reaction tank body, and a knob for adjusting the level and a plurality of supporting points are arranged on the base.
The oven4 is a box body with an inner cavity, the inner cavity forms a heating drying tunnel 41, more than one film guide roller 42 is fixed in the heating drying tunnel 41, and the film guide roller plays a role in guiding, supporting and leveling the aluminum washing film dried in the heating drying tunnel 41.
In order to ensure that the aluminum-plated packaging film such as BOPP and the like which is not high in temperature resistance does not deform at high temperature, the water layer is completely dried after the surface of the aluminum is washed, the length of the drying tunnel 41 is usually 8.5 meters, and the aluminum-plated film is dried by blowing air into the drying tunnel through hot air so as to ensure the drying effect.
Adopt the utility model provides an aluminium washing machine, its specific process is like: the aluminum-plated film is made of biaxially oriented polypropylene plastic, BOPP for short, or polyvinyl chloride plastic, PVC for short, or polyester plastic, PET for short, and has an aluminum layer thickness of about 1um, and according to the orientation shown in FIG. 1, the film enters the alkali reaction tank 31 from the unwinding wheel 5 through the adjusting roller 314, enters the water tank 311 through the water squeezing roller 313, enters the acid reaction tank 32 through the adjusting rollers 315 and 325 and the water squeezing roller 323, enters the water tank 321, exits the water tank 321, is guided into the oven 4 through the film guide roller 42, and is rolled into a finished product through the winding wheel 6 after being dried.
In the whole aluminum washing process, after the aluminum-plated film passes through two reaction tanks, partial aluminum layers which are pre-coated with transparent protective resin are still in an aluminum reflection mode, the other is a reflectivity gradual change mode, the parts without the protective layer are changed into transparent, and after water washing, the aluminum-plated film is dried into coils to be finished products, and if color printing matching is needed, the finished products are further products, such as transfer laser films or laser electrochemical aluminum and electrochemical aluminum products, which are used as raw materials, the aluminum-plated film is a series of aluminum-washed products. The processes are realized on the basis of the aluminum washer.
In the whole process, the transmission speed of the device is 0-120 m/min, and the aluminum washing speed is 0-40 m/min. Wherein, the transmission speed refers to the linear speed of the aluminum washing film passing through the transmission roller, and can quickly reach 120 m/min; the aluminum washing speed is the speed of the aluminum-plated film in the alkali and acid reaction tank to complete the chemical reaction to produce qualified aluminum washing products, and the speed can be accelerated and cannot be too fast on the premise of qualified products. The chemical reaction is incomplete and can not be too slow, the chemical reaction is over-run, all the aluminum coating is washed off, and no dot pattern exists. The aluminum washing speed is comprehensively influenced by factors such as temperature in the tank, concentration of liquid medicine, mechanical property, aluminum plating thickness, printing type and the like. The concentration of the alkali reaction liquid in the alkali reaction tank is 4-20% of NaOH, and the concentration of the acid reaction liquid in the acid reaction tank is 4-12% of HCL.
Each reaction tank is provided with two sets of spraying mechanisms, power is provided by an air source, and two wringing rollers are arranged in each reaction tank to wring water, so that the drying is facilitated, the temperature of the drying tunnel is reduced, and the plastic is guaranteed not to deform.
The protective layer resin is printed in advance, and isuniformly sprayed on the aluminum surface of the aluminizer in an acid reaction tank in an acid mist shape to perform chemical neutralization reaction with alkali liquor on the aluminizer, and the whole aluminum washing process is stopped. The principle of the above neutralization reaction is: the principle of the aluminum washing process is as follows: 。
in general, the aluminum-washing layer has a thickness of 0.6 to 1.5 μm, various resin layers can be present between the plastic and aluminum layers, and the aluminum-washing layer is vacuum-plated with pure aluminum, and other metal layers plated by electroplating are also included, and the washing of the compound coating (medium) is also included by the same principle.
The utility model discloses the material of well washing aluminium groove can use the PVC material, and some acid and alkali corrosion resistant materials that have certain mechanical strength such as stainless steel.
In summary, the aluminum washing machine provided by the utility model has the functions of acid-base chemical neutralization reaction and synchronous termination of chemical reaction, which is not seen in domestic and foreign data, and can wash out the aluminizer with layered density and a new product combined with transparent color printing.
The utility model discloses all set up spray set in alkali reaction tank, sour reaction tank and pond, this spray set comprises two circulating pumps and spray tube, shower nozzle, for current equipment that sprays commonly used. The device is used for spraying acid mist and water mist, is main spraying and washing equipment in an alkali pool, an acid pool and washing equipment, and is divided into three sets, wherein one set is used for sprayingthe alkali mist in the alkali pool; one set of the acid tank is used for spraying acid mist; a set of water jets is provided in the tank to rinse the membranes clean. The aluminum washing liquid can generate neutralization reaction, and the final chemical reaction product is non-toxic salt and water due to the adoption of the principle of the neutralization reaction, which is a unique environment-friendly product in the conventional aluminum washing equipment.
Adopt the utility model provides an aluminium washer can wash out different reflection level products owing to neutralization reaction, and the reflectivity is transition in succession.
The aluminum washer of the utility model is provided with a water circulation mechanism, which saves water; use aluminized plastic film as the raw materials, the product is with low costs, can make ordinary radium-shine packaging film upgrade in the market be high the utility model discloses a guarantee that liquid medicine distributes evenly and temperature unanimously everywhere in the reaction tank, still be provided with the third cell body, this third cell body be with alkali pond external connection's a circular cell body, do not embody on the overall diagram, it comprises built-in heater, filter and circulating pump's structure. The outer edge of the inner machine body is sealed by polypropylene plastic, and the liquid tank can adjust the liquid temperature in the alkali reaction tank and ensure the uniformity of the liquid temperature. The impurity filtering and medicine circulation ensure even reaction, and the heating of the inner and outer medicine chemical reaction main body tanks has no danger and has functions. As the circulating tank (heating and filtering), the corrosion-resistant pump is used for liquid exchange and circulating filtration, which is also the characteristics of the utility model. Greatly improving the serious pollution problem of the alkali reactant andensuring the long-term normal use. From the technical products; in addition, the heating and drying part is not arranged in the transmission device, so that the temperature in the reaction tank can be kept at about 40 ℃, and the reaction tank is not deformed after being used for a long time, thereby ensuring the normal operation and durability of the transmission device.
The utility model provides an aluminium plating film neutralization aluminum washer has following characteristics:
1. has the function of water saving. The water from the acid tank is circularly supplemented into the water tank in the alkali reaction tank by a pump, and is formed into a spray shape by the power of the pump, and is sprayed out by a water spray pipe of the water tank in the alkali reaction tank to wash the aluminum-plated film, so that the water can be directly saved by one time compared with other aluminum washing machines in China.
2. Has an acid circulation device. The acid liquor from the acid tank is directly used for neutralization reaction of the aluminizer in a reciprocating way by the corrosion-resistant circulating pump, and does not run off into the waste water. The product only contains NaCl, sodium chloride, water and a small amount of hydrogen H2Therefore, the aluminum washer is really a chemical neutralization reaction machine to achieve real environmental protection and no pollution.
3. All chemical reactions and water circulation mechanisms of the device are controlled by a set of switches: can be combined into various comprehensive functions in production, such as waste water discharge, waste acid and alkali discharge, medicine pumping supplement, cleaning pumping and the like. The functions are actually needed in mechanized operation and have advancement and practicability.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred examples, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.
Claims (9)
1. The utility model provides an aluminized film neutralization aluminum washing machine, its characterized in that, this aluminum washing machine mainly comprises base, frame, aluminum washing groove and oven, and the aluminum washing groove is fixed on the base, and the bottom mounting of frame is at the both ends of base, and the oven is fixed on the top of two frames, washes on the front end base of aluminum groove, is fixed with the unreeling wheel that is used for putting into the film and washes the aluminum groove, is fixed with the rolling wheel that is used for tightening up the film after washing the aluminium in the frame.
2. The aluminum-plated thin film neutralization aluminum washing machine according to claim 1, wherein an alkali reaction tank and an acid reaction tank are sequentially arranged in the aluminum washing tank, a support is arranged in the tank body, and more than one film guide wheel for guiding and tightening the thin film is fixed on the support and the bottom of the tank body.
3. The aluminum-plated thin film neutralizing and washing machine as claimed in claim 2, wherein a water tank is provided at the middle rear part of the alkaline reaction tank, and the alkaline reaction tank and the water tank are separated by a partition plate.
4. The aluminum plating film neutralizing and washing machine as claimed in claim 3, wherein a water tank is also arranged at the middle rear part of the acid reaction tank, and the acid reaction tank and the water tank are separated by a partition plate.
5. An aluminum-plated film neutralization and washing machine according to claim 3 or 4, wherein water squeezing rollers for squeezing excess water on the film are respectively arranged among the alkali reaction tank, the water tank and the acid reaction tank.
6. The aluminum-plated film neutralizing and washing machine as claimed in claim 5, wherein the wringing roller is formed by pairing a rubber roller and a steel roller, and a gap for the film to pass is formed between the two rollers.
7. An aluminium-plated thin film neutralization washing machine according to claim 2, 3 or 4, wherein the alkali reaction tank and the acid reaction tank are further provided with adjusting rollers for keeping the thin film flat before entering the alkali reaction tank and the acid reaction tank.
8. The aluminum-plated thin film neutralizing and washing machine as claimed in claim 1, wherein the base is composed of more than one channel steel.
9. The aluminum-plated thin film neutralizing and washing machine as claimed in claim 1, wherein the oven is a box with an inner cavity, the inner cavity forms a heating drying tunnel, and more than one film guide roller is fixed in the drying tunnel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420115315 CN2745940Y (en) | 2004-11-22 | 2004-11-22 | Aluminium plated film neutralization aluminium washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420115315 CN2745940Y (en) | 2004-11-22 | 2004-11-22 | Aluminium plated film neutralization aluminium washing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2745940Y true CN2745940Y (en) | 2005-12-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420115315 Expired - Fee Related CN2745940Y (en) | 2004-11-22 | 2004-11-22 | Aluminium plated film neutralization aluminium washing machine |
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| Country | Link |
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| CN (1) | CN2745940Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102529474A (en) * | 2011-12-29 | 2012-07-04 | 绍兴京昇光信息科技有限公司 | Transfer paper combining common printing and local positioning hologram and manufacture method thereof |
| CN103469208A (en) * | 2013-09-13 | 2013-12-25 | 石狮市天马数控设备有限公司 | Novel aluminum washing machine for aluminum-plated film |
| CN105921434A (en) * | 2016-06-27 | 2016-09-07 | 汕头市雅丽环保包装印刷有限公司 | Water circulation filtering aluminum washing machine |
-
2004
- 2004-11-22 CN CN 200420115315 patent/CN2745940Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102529474A (en) * | 2011-12-29 | 2012-07-04 | 绍兴京昇光信息科技有限公司 | Transfer paper combining common printing and local positioning hologram and manufacture method thereof |
| CN103469208A (en) * | 2013-09-13 | 2013-12-25 | 石狮市天马数控设备有限公司 | Novel aluminum washing machine for aluminum-plated film |
| CN103469208B (en) * | 2013-09-13 | 2016-04-13 | 石狮市天马数控设备有限公司 | A kind of novel aluminium washing machine of aluminium plating film |
| CN105921434A (en) * | 2016-06-27 | 2016-09-07 | 汕头市雅丽环保包装印刷有限公司 | Water circulation filtering aluminum washing machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20051214 Termination date: 20091222 |