CN113913888A

CN113913888A - Melamine product with sterilization function and manufacturing method thereof

Info

Publication number: CN113913888A
Application number: CN202110936529.4A
Authority: CN
Inventors: 刘威; 陈少鸣
Original assignee: Fujian Weipeng Industrial Co ltd
Current assignee: Fujian Weipeng Industrial Co ltd
Priority date: 2021-08-16
Filing date: 2021-08-16
Publication date: 2022-01-11

Abstract

The invention discloses a melamine product with a sterilization function, which comprises a substrate, wherein a sterilization layer is plated on the outer side of the substrate; the matrix comprises the following components, polylactic acid particles and conductive particles are mixed according to the ratio of 1: 1; the invention relates to a sterilization layer, which is made of titanium dioxide, conductive particles are made of aluminum and silver, the sterilization layer is made of titanium dioxide, the conductive particles are mixed on the basis of raw materials, conductive melamine tableware is formed by rolling, then a sterilization layer is coated outside the melamine tableware, and the sterilization layer adopts a titanium dioxide catalysis mode to realize local sterilization and realize durable sterilization.

Description

Melamine product with sterilization function and manufacturing method thereof

Technical Field

The invention relates to the field of melamine, in particular to a melamine product with a sterilization function and a manufacturing method thereof.

Background

The melamine is made of melamine resin, also called as melamine, imitation porcelain and plastic porcelain, and is a processed product of chemical raw materials.

Patent application No. CN107201015B discloses antibacterial and heat-resistant polylactic acid tableware, which comprises polylactic acid resin, oxide, viscose fiber, initiator and alkyl ether carboxylate. The invention also discloses a preparation method of the antibacterial heat-resistant polylactic acid tableware. The preparation process of the antibacterial heat-resistant polylactic acid tableware is simple and easy to control, the composite material is low in cost, biodegradable, good in heat resistance and strong in antibacterial property, and can be used in the fields of tableware, food, medical packaging materials and the like.

But because Ag is adopted in the prior art⁺The method of sterilization is Ag⁺Slow release, no longer has the degerming effect after the release is finished, so the sterilization duration is short.

Disclosure of Invention

The present invention is directed to provide a melamine product with sterilization function and a manufacturing method thereof, so as to solve the problems of the background art.

In order to achieve the purpose, the invention provides the following technical scheme:

a melamine product with sterilization function comprises a substrate, wherein the outer side of the substrate is plated with a sterilization layer;

the matrix comprises the following components, polylactic acid particles and conductive particles are mixed according to the ratio of 1: 1;

the sterilizing layer is titanium dioxide, and the conductive particles are silver-plated aluminum.

A method for manufacturing melamine products with sterilization function comprises the following steps:

s1, preparing polylactic acid particles, namely preparing polylactic resin, silicon dioxide, viscose fibers, potassium persulfate, alkyl ether carboxylate, Ag-bis (phenylpyrazolyl) pyridine-p-phenylacetic acid complex and carbon nano composite materials into the polylactic acid particles;

s2, uniformly mixing the conductive particles and the polylactic acid particles, and rolling or injection molding to prepare tableware;

s3, plating titanium on the melamine product prepared in the S2 by using an electroplating device;

and S4, drying the electroplated product at 120 ℃ under the condition of sufficient oxygen to obtain a finished product.

The electroplating device comprises an electroplating bath, wherein a clamping mechanism is rotatably connected onto the electroplating bath, one side of the clamping mechanism is communicated with a feeding pipe, the other side of the clamping mechanism is communicated with a feeding pipe of a drying box, the clamping mechanism comprises a rotating wheel which is rotatably connected with the electroplating bath through a shaft rod, the side surface of the rotating wheel is connected with a plurality of clamps which are in annular array by taking the axis of the rotating wheel as the center, each clamp comprises two groups of clamping rods, clamping wheels are rotatably connected onto the clamping rods, the clamping wheels are communicated with a lead which penetrates through the clamping rods and the rotating wheel shaft rod, and the lead is communicated with a power supply box through a sliding ring.

Preferably, the two groups of clamping rods are respectively connected with the rotating wheel in a rotating manner, the two groups of clamping rods are connected through tension springs, and the clamping rods are connected with water wheels in a rotating manner, wherein the water wheels are connected with the clamping wheels through connecting rods and cams in a transmission manner.

Preferably, stoving case one end is connected with sealed feed mechanism, and the oxygen supply pipe is connected to stoving case side, is located the stoving incasement and has placed the conveying frame, and conveying frame bottom is provided with the electrothermal tube, and the conveying frame is connected with the sealed discharge mechanism of the stoving case other end, and stoving bottom of the case portion is provided with drying cylinder, a drainage cylinder respectively.

Preferably, sealed feed mechanism is including connecting in stoving case one end and inclination crescent inlet pipe, inlet pipe middle part fixedly connected with fan section of thick bamboo, and the laminating rotates in the fan section of thick bamboo and is connected with the impeller, and the inlet pipe tip rotates and is connected with the material loading wheel.

Preferably, sealed discharge mechanism is including the row's of being linked to in the stoving section of thick bamboo other end and slope gradually downwards material pipe, arranges that the material pipe is the same with the inlet pipe.

Preferably, the drainage cylinder comprises a circular table cylinder fixedly connected to the bottom of the drying cylinder, the top of the circular table cylinder is communicated with the inside of the drying cylinder, a floating ball is arranged in the circular table, and a drainage hole is formed in the side face of the circular table cylinder.

Preferably, the drying cylinder comprises an arc-shaped cylinder, the two ends of the arc-shaped cylinder are communicated with the inside of the drying cylinder, the middle of the arc-shaped cylinder is communicated with the drainage cylinder, a condensate pipe penetrates through the arc-shaped cylinder, and the condensate pipe is connected to the inside of the oxygen supply pipe.

Compared with the prior art, the invention has the beneficial effects that:

1. on the basis of raw materials, mixing conductive particles, forming conductive melamine tableware through calendering, and then coating a layer of sterilization layer outside the melamine tableware, wherein the sterilization layer adopts a titanium dioxide catalysis mode to realize local sterilization and realize lasting sterilization;

2. the electroplating device for the melamine products is designed, and can be used for continuously electroplating the melamine products without dead angles to form a sterilization layer;

3. to high temperature drying design stoving case, realize drying in succession, stoving bottom of the case portion sets up a stoving section of thick bamboo, a drain cylinder respectively, can in time discharge vapor and liquid water, when realizing high-efficient quick drying, makes the titanium that plates in the goods surface fast oxidation form the oxide film, can protect beautiful nai ware goods on the one hand, and on the other hand can realize catalytic sterilization.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of an electroplating apparatus according to the present invention;

FIG. 3 is a schematic view of the structure of the plating bath of the present invention;

FIG. 4 is a schematic view of the structure of the clamping bar of the present invention;

FIG. 5 is a cross-sectional view of the feed tube of the present invention;

FIG. 6 is a cross-sectional view of a drying box of the present invention;

in the figure: 1. an electroplating bath; 2. a clamping mechanism; 21. a shaft lever; 22. a rotating wheel; 23. a clamp; 24. a clamping bar; 25. a pinch roller; 26. a cam; 27. a connecting rod; 28. a tension spring; 29. a water wheel; 3. feeding pipes; 4. sealing the feeding mechanism; 41. a feed pipe; 42. a fan wheel; 43. a feeding wheel; 44. a fan cylinder; 5. a drying box; 51. an electric heating tube; 6. an oxygen supply tube; 7. a drying cylinder; 71. a condenser tube; 8. a drain cylinder; 81. a floating ball; 9. a conveying roller; 10. a substrate; 101. a sterilization layer.

Detailed Description

Example 1

As shown in fig. 1, preparing polylactic acid particles, namely preparing polylactic resin, silicon dioxide, viscose, potassium persulfate, alkyl ether carboxylate, Ag-bis (phenylpyrazolylpyridine-p-phenylacetic acid) complex and carbon nano composite material into the polylactic acid particles;

fully and uniformly mixing the conductive particles and the polylactic acid particles, and preparing a base body 10 of the tableware by calendaring or injection molding;

plating titanium on the melamine product prepared in the step S2 by using an electroplating device to form a sterilizing layer 101;

and drying the electroplated product at 120 ℃ under the condition of sufficient oxygen to obtain a finished product.

Example 2

As shown in fig. 2 to 4, an electroplating apparatus, which was used for the melamine fabrication in example 1, the rolled or injection-molded melamine products are fed into a clamping mechanism 2 through a feeding pipe 3 one by one and are rotatably connected to a clamping plate on the side surface of a rotating wheel 22, the rotating wheel 22 is rotatably connected with an electroplating bath 1 through a shaft rod 21, every two clamping rods 24 form a group, clamping wheels 25 are rotatably connected to the clamping rods 24, the two clamping rods 24 in the same group are connected through tension springs 28, so that the two clamping rods 24 are subjected to tension force for clamping the clamping rods in opposite directions, the clamping rods 24 and the inside of the shaft rod 21 are both arranged to be hollow structures, so that wires can be distributed in the shaft rod 21 and the inside of the clamping rods 24, one end of each wire is communicated with a power supply box through a slip ring, the other end of each wire is connected with the clamping wheel 25, the clamping wheel 25 is made of aluminum or copper, the clamping wheel 25 has good electric conductivity, and the clamping wheel 25 is in transmission connection with a fan wheel 42 rotatably connected to the clamping rods 24 through a connecting rod 27 and a cam 26.

When feeding, the rolled or injection molded melamine product slides into the clamping mechanism 2 through the feeding tube 3, a corresponding gap feeding device is arranged in the feeding tube 3, so that the feeding speed is adapted to the rotating speed of the rotating wheel 22 in the clamping mechanism 2, the feeding can be realized by adopting the existing gap feeding mechanism, the molded melamine product is pushed into the clamp 23 in the clamping mechanism 2, the clamp 23 comprises two clamping rods 24 in the same group, then the rotating wheel 22 continuously rotates, so that the clamping rods 24 drive the melamine product to enter the electroplating bath 1, as the clamping wheel 25 is conductive, and the molded melamine product contains a large amount of conductive particles which are connected to form a conductive path after being rolled or injected, the melamine product becomes a conductor, titanium in the electroplating bath 1 is plated on the surface of the melamine product to form an electroplated layer, and in the process that the clamping rods 24 rotate along with the rotating wheel 22, because the water wheel 29 which is rotatably connected with the clamping rods 24 is rotated by the water resistance in the electroplating bath 1, the clamping wheel 25 which is in transmission connection with the clamping rods 24 through the cam 26 and the connecting rod 27 can be rotated, the rotating wheel 22 which is positioned between the two clamping rods 24 in the same group is rotated, under the friction action of the clamping wheel 25, the position of the melamine clamped by the clamping wheel 25 is moved relative to the clamping rods 24, the clamping position on the melamine is changed, the situation that the contact part of the clamping wheel 25 and the melamine cannot be electroplated due to fixation is avoided, after the electroplating is finished, the rotating wheel 22 drives the electroplated melamine to move, the melamine enters the drying box 5, the melamine is dried at 120 ℃ under the oxygen-enriched condition, and the electroplated titanium metal layer on the surface of the melamine is oxidized to form titanium dioxide which can play a catalytic role under the illumination condition, so as to play a catalytic sterilization effect.

Example 3

As shown in fig. 2-6, an electroplating apparatus comprises a drying box 5, one end of the drying box 5 is connected with a feeding pipe 41, the feeding pipe 41 is inclined relative to a horizontal plane, the end of the feeding pipe 41 is rotatably connected with a feeding wheel 43, a deflector rod is fixedly connected on the feeding wheel 43, the middle part of the feeding pipe 41 is connected with a fan cylinder 44, the inside of the fan cylinder 44 is rotatably connected with a fan wheel 42 in a sealing manner, the feeding pipe 41 is communicated with the inside of the drying box, the drying box is rotatably connected with a plurality of conveying rollers 9 which are linearly arrayed along the length direction of the drying box 5, an electric heating pipe 51 which is fixed in the drying box 5 is arranged below the conveying rollers 9, a drainage cylinder 8 is connected at the bottom of the drying box 5, the drainage cylinder 8 is communicated with the middle part of the drying cylinder 7, two ends of the drying cylinder 7 are communicated with the inside of the drying box 5, the drainage cylinder 8 is in a round table shape, a floating ball 81 is arranged in the drainage cylinder 8, a condensing pipe 71 is arranged in the drying cylinder 7, the condenser pipe 71 extends to the oxygen supply pipe 6 connected with the side surface of the drying box 5 and extends out from the side surface of the oxygen supply pipe 6 so as to connect circulating water, the oxygen supply pipe 6 is communicated with the inside of the drying box 5, a one-way valve is arranged at the communication position of the oxygen supply pipe 6 and the drying box 5 to avoid the discharge of gas inside the drying box 5, and the middle part of the sealing discharge mechanism is also provided with the fan cylinder 44 and connected with the fan wheel 42, which is not shown in the figure.

During drying, the coated melamine vessel rotates through the feeding wheel 43 at the end of the feeding pipe 41, the deflector rod on the feeding wheel 43 draws the melamine vessel into the feeding pipe 41, the melamine vessel slides along the feeding pipe 41 and enters the fan cylinder 44, the electroplated melamine vessel is fed into the drying box 5 under the rotation of the fan wheel 42 in the fan cylinder 44, the feeding is prevented from being in a normally open state by the rotation of the fan cylinder 44, the interior of the drying box 5 can be kept relatively closed, the heat and oxygen loss are reduced, the conveying rollers 9 in the drying box 5 rotate under the driving of an external driving motor, the adjacent conveying rollers 9 are connected in a belt transmission manner, the conveying rollers 9 synchronously rotate, the melamine vessel entering the drying box 5 gradually moves towards the other end of the drying box 5 along with the rotation of the conveying rollers 9, and in the moving process, the oxygen in the drying box 5 and the metal titanium electroplated on the surface of the melamine vessel rapidly react to form an oxide film under the high temperature condition, the oxidation film can catalyze oxygen in water or air under the illumination condition to enable the oxygen to become active oxygen, has a sterilization effect, continuously supplies oxygen into the drying cylinder through the oxygen supply pipe 6, ensures sufficient oxygen content and improves the oxidation rate;

water and vapor generated in the drying process are sealed in the drying box 5, the drainage cylinder 8 is connected to the lower position of the bottom of the drying box 5, at the moment, liquid water dripping from melamine products is gathered and enters the drainage cylinder 8, when the water amount reaches a certain degree, the floating ball 81 in the circular truncated cone-shaped drainage cylinder 8 can float, the floating ball 81 is separated from the drainage cylinder 8, accumulated water can be drained at the moment, and when the accumulated water amount is less, the floating ball 81 is attached to the inside of the drainage cylinder 8 under the action of internal and external pressure difference, so that the drainage cylinder 8 is kept sealed, and the loss of internal oxygen and heat is avoided; because the inside high temperature state that is in of stoving case 5, water easily evaporates and forms vapor, but direct discharge is not only extravagant heat, still easily discharge inside oxygen simultaneously, dry section of thick bamboo 7 is connected to the bottom at the pole of drying by the fire, dry section of thick bamboo 7 both ends and the inside intercommunication of stoving case 5, the molecular weight of vapor is greater than oxygen, consequently, vapor can fall in dry section of thick bamboo 7, set up condenser pipe 71 in dry section of thick bamboo 7, it discharges to instil into the drain pipe along condenser pipe 71 after the aqueous liquefaction of gaseous state, condenser pipe 71 extends to in the oxygen supply pipe 6 simultaneously, discharge after water in the condenser pipe 71 and the oxygen exchange heat in the oxygen supply pipe 6, can reduce the loss of heat and oxygen.

Claims

1. The melamine product with the sterilization function comprises a base body (10), and is characterized in that the outer side of the base body (10) is plated with a sterilization layer (101);

the matrix (10) comprises polylactic acid particles and conductive particles to be mixed;

the sterilization layer (101) is titanium dioxide.

2. A method for manufacturing melamine products with sterilization function is characterized in that: the method comprises the following steps:

3. The plating apparatus for use in the method of manufacturing a melamine product having a sterilization function according to claim 2, wherein: including plating bath (1), be located and rotate on plating bath (1) and be connected with fixture (2), fixture (2) one side and material loading pipe (3) intercommunication, fixture (2) opposite side and inlet pipe (41) intercommunication of stoving case (5), fixture (2) include through axostylus axostyle (21) rotation wheel (22) of being connected with plating bath (1), runner (22) side is connected with a plurality of anchor clamps (23) that are the annular array with runner (22) axis as the center, and anchor clamps (23) include two sets of clamping bars (24), it is connected with clamp pulley (25) to rotate on clamping bar (24), clamp pulley (25) and the wire that runs through clamping bar (24), runner (22) axostylus axostyle (21) switch on, and the wire switches on through sliding ring and power supply case.

4. The electroplating device according to claim 3, wherein two groups of the clamping rods (24) are respectively connected with the rotating wheel (22) in a rotating way, the two groups of the clamping rods (24) are connected through a tension spring (28), and the clamping rods (24) are connected with a water wheel (29) in a rotating way, and the water wheel is in transmission connection with the clamping wheel (25) through a connecting rod (27) and a cam (26).

5. The electroplating device according to claim 3, wherein one end of the drying box (5) is connected with the sealed feeding mechanism (4), the side surface of the drying box (5) is connected with the oxygen supply pipe (6), a conveying frame is arranged in the drying box (5), the bottom of the conveying frame is provided with an electric heating pipe (51), the conveying frame is connected with the sealed discharging mechanism at the other end of the drying box (5), and the bottom of the drying box (5) is respectively provided with a drying cylinder (7) and a water discharging cylinder (8).

6. The electroplating device according to claim 5, wherein the sealed feeding mechanism (4) comprises a feeding pipe (41) which is connected to one end of the drying box (5) and has an inclination angle gradually increasing, a fan cylinder (44) is fixedly connected to the middle of the feeding pipe (41), a fan wheel (42) is rotatably connected to the inside of the fan cylinder (44) in a fitting manner, and a feeding wheel (43) is rotatably connected to the end of the feeding pipe (41).

7. An electroplating apparatus according to claim 6, wherein the sealed discharge mechanism comprises a discharge pipe communicated with the other end of the drying cylinder and gradually inclined downwards, and the discharge pipe is identical to the feed pipe (41).

8. The electroplating device according to claim 5, wherein the drainage cylinder (8) comprises a circular truncated cone fixedly connected to the bottom of the drying cylinder, the top of the circular truncated cone is communicated with the inside of the drying cylinder, a floating ball (81) is arranged in the circular truncated cone, and a drainage hole is arranged on the side surface of the circular truncated cone.

9. The electroplating device according to claim 8, wherein the drying cylinder (7) comprises an arc cylinder with two ends communicated with the inside of the drying cylinder (7), the middle part of the arc cylinder is communicated with the water discharge cylinder (8), a condensate pipe is arranged in the arc cylinder in a penetrating way, and the condensate pipe is connected to the inside of the oxygen supply pipe (6).