阅读说明：本技术 一种陶瓷烧银器及其制造工艺 (Ceramic silver burner and manufacturing process thereof ) 是由 吕雪峰 路英霞 于 2021-02-04 设计创作，主要内容包括：本发明涉及一种陶瓷烧银器及其制造工艺,该陶瓷烧银制造工艺,包括以下步骤：在陶瓷上涂上银泥,之后烧制,即得；所述银泥由银粉、分散溶剂组成,每1kg的银粉对应添加40～60mL的分散溶剂。该陶瓷烧银制造工艺,采用了银研磨成粉、银粉调制成泥、银泥烧制在陶瓷上的方法,银与陶瓷的结合较为紧密,结构稳定。且工艺方法较为简单,生产成本较低,银粉与分散溶剂配合,使得银泥的稠度适当,方便涂抹在陶瓷上,且与陶瓷的结合力度较大。制造的陶瓷烧银器,银层与陶层相互配合,隔热性较好,方便在生活中使用。(The invention relates to a ceramic silver burner and a manufacturing process thereof, wherein the ceramic silver burner manufacturing process comprises the following steps: coating silver mud on the ceramic, and then firing to obtain the ceramic; the silver paste is composed of silver powder and a dispersing solvent, and 40-60 mL of the dispersing solvent is correspondingly added to every 1kg of the silver powder. The ceramic silver firing manufacturing process adopts the methods of grinding silver into powder, preparing silver powder into mud and firing the silver mud on the ceramic, so that the silver and the ceramic are combined tightly and the structure is stable. The silver paste has the advantages of simple process method, low production cost, proper consistency due to the matching of the silver powder and the dispersing solvent, convenience for coating on the ceramic and high bonding strength with the ceramic. The silver layer and the ceramic layer of the manufactured ceramic silver burning device are mutually matched, so that the ceramic silver burning device has good heat insulation performance and is convenient to use in life.)

1. The ceramic silver firing manufacturing process is characterized by comprising the following steps: coating silver mud on the ceramic, and then firing to obtain the ceramic; the silver paste is composed of silver powder and a dispersing solvent, and 40-60 mL of the dispersing solvent is correspondingly added to every 1kg of the silver powder.

2. The ceramic silver firing manufacturing process according to claim 1, wherein the dispersion solvent includes mastic oil, camphor oil, and wind oil.

3. The ceramic silver firing manufacturing process according to claim 2, wherein the mass percentages of the mastic oil, the camphor oil and the essential oil in the dispersion solvent are 65-70%, 16-25% and 6-15%, respectively.

4. The ceramic silver firing manufacturing process according to claim 2 or 3, wherein the silver powder is a powder obtained by sieving a 600-mesh sieve.

5. The ceramic silver firing manufacturing process according to claim 4, wherein the silver powder is prepared by particle-grinding a pressed silver piece with alloy sand to disperse silver into powder, and sieving the ground silver powder with a 600-mesh sieve.

6. The ceramic silver firing manufacturing process according to any one of claims 1 to 3, wherein the firing is carried out by coating silver paste, heating to 180 to 220 ℃, keeping the temperature for 1.5 to 2.5 hours, raising the temperature to 340 to 360 ℃, keeping the temperature for 1.5 to 2.5 hours, raising the temperature to 480 to 520 ℃, keeping the temperature for 1.5 to 2.5 hours, raising the temperature to 750 to 780 ℃, keeping the temperature for 0.5 to 1.5 hours, and then naturally cooling to the indoor temperature.

7. The ceramic silver firing manufacturing process according to claim 1, wherein the coating silver mud is: the method comprises the steps of firstly, uniformly spraying silver mud liquid on the ceramic, and then, uniformly coating the silver mud, wherein the silver mud liquid is a mixed liquid of the silver mud and camphor oil, and the volume ratio of the silver mud to the camphor oil is 1: 0.2.

8. The ceramic silver firing manufacturing process according to claim 1, wherein the secondary coating is performed in the same manner as the primary coating of the silver paste after the firing, and the secondary firing is performed after the secondary coating.

9. The ceramic silver firing manufacturing process according to claim 8, wherein the secondary firing is to heat the secondary slurry coating to 180-220 ℃ for 1.5-2.5 hours, then heat the secondary slurry coating to 340-360 ℃ for 1.5-2.5 hours, then heat the secondary slurry coating to 480-520 ℃ for 1.5-2.5 hours, then heat the secondary slurry coating to 750-780 ℃ for 0.5-1.5 hours, and then naturally cool the secondary slurry coating to indoor temperature.

10. The ceramic silver burner produced by the ceramic silver firing manufacturing process of claim 1.

Technical Field

The invention belongs to the technical field of silverware manufacturing, and particularly relates to a ceramic silver burner and a manufacturing process thereof.

Background

Because the pure silver product has better heat conductivity, a plurality of silverware can not be directly used when the pure silver product is used in living appliances. The combination of silver and other materials can reduce the thermal conductivity of the silver product.

In the prior art, there is a proposal of combining silver with a ceramic material. The invention patent with application publication number CN101913914A discloses a ceramic silver plating process, which comprises the following steps: after the blank is fired, priming with white glaze, spraying the solution A, and then firing at 1100-1500 ℃; pasting silver foil on the fired product to produce a texture effect, spraying silver glaze and tempering to finish the ceramic silver plating process; the solution A is obtained by the following method: and (3) fully mixing 100 parts by weight of silver powder, 90-120 parts by weight of 783 parts by weight of boiled oil water and 0-1 part by volume of 20-50% sodium hydroxide aqueous solution for 5-10 minutes, wherein the unit of the parts by weight is g, and the unit of the parts by volume is ml. The method comprises the steps of preparing a blank, priming with white glaze, spraying silver powder, boiling oil and water to form a solution A to form a combined bottom surface, and then attaching silver foil, and has the disadvantages of complex process and high preparation cost.

Disclosure of Invention

The invention aims to provide a ceramic silver firing manufacturing process which is simple in method and low in production cost.

Another object of the present invention is to provide a ceramic silver burner.

In order to achieve the above purpose, the invention adopts the technical scheme that:

a ceramic silver firing manufacturing process comprises the following steps: coating silver mud on the ceramic, and then firing to obtain the ceramic; the silver paste is composed of silver powder and a dispersing solvent, and 40-60 mL of the dispersing solvent is correspondingly added to every 1kg of the silver powder.

Further, the dispersion solvent includes mastic oil, camphor oil, and essential oil.

Further, the mass percentage of the mastic oil, the camphor oil and the essential oil in the dispersion solvent is 65-70%, 16-25% and 6-15% respectively.

Further, the silver powder is powder obtained by sieving through a 600-mesh sieve.

Further, the silver powder is prepared by grinding pressed silver flakes into particles by using alloy sand, dispersing the silver into powder, and screening the ground silver powder by using a 600-mesh screen.

Further, the firing is to coat the silver mud, heat the silver mud to 180-220 ℃, preserve heat for 1.5-2.5 h, heat the silver mud to 340-360 ℃, preserve heat for 1.5-2.5 h, heat the silver mud to 480-520 ℃, preserve heat for 1.5-2.5 h, heat the silver mud to 750-780 ℃, preserve heat for 0.5-1.5 h, and then naturally cool the silver mud to indoor temperature.

Further, the coating of the silver mud is as follows: the method comprises the steps of firstly, uniformly spraying silver mud liquid on the ceramic, and then, uniformly coating the silver mud, wherein the silver mud liquid is a mixed liquid of the silver mud and camphor oil, and the volume ratio of the silver mud to the camphor oil is 1: 0.2.

Further, after the firing, secondary mud coating is carried out in the same way as the first mud coating, and the secondary firing is carried out after the secondary mud coating.

Further, the secondary firing is to heat the secondary mud coating to 180-220 ℃ for 1.5-2.5 h, heat the secondary mud coating to 340-360 ℃ for 1.5-2.5 h, heat the secondary mud coating to 480-520 ℃ for 1.5-2.5 h, heat the secondary mud coating to 750-780 ℃ for 0.5-1.5 h, and then naturally cool the secondary mud coating to indoor temperature.

The ceramic silver burner prepared by the ceramic silver firing manufacturing process.

The invention has the beneficial effects that:

the ceramic silver firing manufacturing process adopts the methods of grinding silver into powder, preparing silver powder into mud and firing the silver mud on the ceramic, so that the combination of the silver and the ceramic is compact and the structure is stable. And the process method is simpler and the production cost is lower.

According to the ceramic silver firing manufacturing process, the silver powder is matched with the dispersing solvent, so that the silver paste is appropriate in consistency, convenient to coat on the ceramic and high in bonding strength with the ceramic.

According to the ceramic silver firing manufacturing process, camphor oil, frankincense oil and essential oil in a dispersing solvent are matched with each other, the proportion is proper, the content of the frankincense oil is too high, and silver mud is too viscous and cannot be applied with silver; the mastic oil content is too low, the viscosity of the silver mud is too low by adding camphor oil, the silver mud can have different thicknesses after being coated with silver, and the silver mud also has overflow phenomenon, so that the silver mud cannot enter a furnace for firing.

The ceramic silver firing manufacturing process repeatedly brushes and fires the silver mud, increases the thickness of the silver layer and increases the wear resistance in use.

The ceramic silver firing manufacturing process of the invention adopts the heating and cooling process of gradual temperature rise and natural temperature drop, thereby improving the yield of products.

According to the ceramic silver burning device, the silver layer and the ceramic layer are matched with each other, so that the ceramic silver burning device is good in heat insulation and convenient to use in life.

Detailed Description

The present invention will be further described with reference to the following examples.

Example 1

The ceramic silver firing manufacturing process of the embodiment comprises the following steps:

1) rough silver rolling: a silver plate having a purity of 9999% was pressed into a silver flake having a fixed size by forging.

2) Grinding silver powder: and (3) carrying out particle grinding on the pressed silver sheet by using alloy sand, and grinding into coarse silver powder.

3) Silver dispersion: and removing impurity iron from the ground coarse silver powder to obtain refined silver powder.

4) Silver filtration: the refined silver powder is screened by a 600-mesh screen, and the silver powder with more than 600 meshes is selected.

5) Blending silver mud: taking 1kg of silver powder, adding 35mL of frankincense oil, 10mL of camphor oil and 5mL of balm, and uniformly stirring to obtain silver mud.

6) Silver coating: adding 10mL of camphor oil into the blended silver mud, uniformly spraying the mixture onto the ceramic by using a spray gun, and dipping a little silver mud by using a brush pen to uniformly coat the silver mud on the inner wall of the ceramic.

7) Firing: and (3) putting the ceramic sprayed with the silver mud in the step 6) into an electric furnace, heating to 200 ℃, preserving heat for 2h, heating the electric furnace to 350 ℃, preserving heat for 2h, heating the electric furnace to 500 ℃, preserving heat for 2h, and heating the electric furnace to 780 ℃ and preserving heat for 1 h. And (5) turning off the electric furnace, and naturally cooling to indoor temperature.

8) Secondary silver coating: adding 10mL of camphor oil into the blended silver mud, uniformly spraying the mixture onto the ceramic by using a spray gun, dipping a little silver mud by using a writing brush, and uniformly coating the silver mud on the position coated with the silver mud in the step 6).

9) Secondary firing: and (3) putting the ceramic sprayed with the silver mud in the step 8) into an electric furnace, heating to 200 ℃, preserving heat for 2h, heating the electric furnace to 350 ℃, preserving heat for 2h, heating the electric furnace to 500 ℃, preserving heat for 2h, and heating the electric furnace to 780 ℃ and preserving heat for 1 h. And (5) turning off the electric furnace, and naturally cooling to indoor temperature.

10) Polishing: polishing the ceramic silver burning appliance which is fired for the second time in the step 9) by using a British polishing machine to obtain the ceramic silver burning appliance.

The ceramic silver burner of the present embodiment is manufactured by the ceramic silver firing manufacturing process of the present embodiment.

Example 2

The ceramic silver firing manufacturing process of the embodiment comprises the following steps:

1) rough silver rolling: a silver plate having a purity of 9999% was pressed into a silver flake having a fixed size by forging.

2) Grinding silver powder: and (3) carrying out particle grinding on the pressed silver sheet by using alloy sand, and grinding into coarse silver powder.

3) Silver dispersion: and removing impurity iron from the ground coarse silver powder to obtain refined silver powder.

4) Silver filtration: the refined silver powder is screened by a 600-mesh screen, and the silver powder with more than 600 meshes is selected.

5) Blending silver mud: taking 1kg of silver powder, adding 26.4mL of frankincense oil, 8.8mL of camphor oil and 4.8mL of balm, and uniformly stirring to obtain silver mud.

6) Silver coating: adding 10mL of camphor oil into the blended silver mud, uniformly spraying the mixture onto the ceramic by using a spray gun, and uniformly smearing a little silver mud outside the ceramic by using a brush pen.

7) Firing: and (3) putting the ceramic sprayed with the silver mud in the step 6) into an electric furnace, heating to 180 ℃, preserving heat for 2.5h, heating the electric furnace to 360 ℃, preserving heat for 2.5h, heating the electric furnace to 520 ℃, preserving heat for 1.5h, and heating the electric furnace to 750 ℃ again, preserving heat for 0.5 h. And (5) turning off the electric furnace, and naturally cooling to indoor temperature.

8) Secondary silver coating: adding 10mL of camphor oil into the blended silver mud, uniformly spraying the mixture onto the ceramic by using a spray gun, dipping a little silver mud by using a writing brush, and uniformly coating the silver mud on the position coated with the silver mud in the step 6).

9) Secondary firing: and (3) putting the ceramic sprayed with the silver mud in the step 8) into an electric furnace, heating to 180 ℃, preserving heat for 2.5h, heating the electric furnace to 360 ℃, preserving heat for 2.5h, heating the electric furnace to 520 ℃, preserving heat for 1.5h, and heating the electric furnace to 750 ℃ again, preserving heat for 0.5 h. And (5) turning off the electric furnace, and naturally cooling to indoor temperature.

10) Polishing: polishing the ceramic silver burning appliance which is fired for the second time in the step 9) by using a British polishing machine to obtain the ceramic silver burning appliance.

The ceramic silver burner of the present embodiment is manufactured by the ceramic silver firing manufacturing process of the present embodiment.

Example 3

The ceramic silver firing manufacturing process of the embodiment comprises the following steps:

1) rough silver rolling: a silver plate having a purity of 9999% was pressed into a silver flake having a fixed size by forging.

2) Grinding silver powder: and (3) carrying out particle grinding on the pressed silver sheet by using alloy sand, and grinding into coarse silver powder.

3) Silver dispersion: and removing impurity iron from the ground coarse silver powder to obtain refined silver powder.

4) Silver filtration: the refined silver powder is screened by a 600-mesh screen, and the silver powder with more than 600 meshes is selected.

5) Blending silver mud: taking 1kg of silver powder, adding 44.8mL of frankincense oil, 10.8mL of camphor oil and 8.4mL of balm, and uniformly stirring to obtain silver mud.

6) Silver coating: adding 10mL of camphor oil into the blended silver mud, uniformly spraying the mixture onto the ceramic by using a spray gun, and dipping a little silver mud by using a brush pen to uniformly coat the silver mud on the inner wall of the ceramic.

7) Firing: and (3) putting the ceramic sprayed with the silver mud in the step 6) into an electric furnace, heating to 220 ℃, preserving heat for 1.5h, heating to 340 ℃, preserving heat for 1.5h, heating to 480 ℃, preserving heat for 2.5h, and heating to 760 ℃, preserving heat for 1.5 h. And (5) turning off the electric furnace, and naturally cooling to indoor temperature.

8) Secondary silver coating: adding 10mL of camphor oil into the blended silver mud, uniformly spraying the mixture onto the ceramic by using a spray gun, dipping a little silver mud by using a writing brush, and uniformly coating the silver mud on the position coated with the silver mud in the step 6).

9) Secondary firing: and (3) putting the ceramic sprayed with the silver mud in the step 8) into an electric furnace, heating to 220 ℃, preserving heat for 1.5h, heating to 340 ℃, preserving heat for 1.5h, heating to 480 ℃, preserving heat for 2.5h, and heating to 760 ℃, preserving heat for 1.5 h. And (5) turning off the electric furnace, and naturally cooling to indoor temperature.

10) Polishing: polishing the ceramic silver burning appliance which is fired for the second time in the step 9) by using a British polishing machine to obtain the ceramic silver burning appliance.

The ceramic silver burner of the present embodiment is manufactured by the ceramic silver firing manufacturing process of the present embodiment.

Comparative example 1

The operation method of the ceramic silver firing manufacturing process of the comparative example is substantially the same as that of the example 1, and is different from the example in that: the dispersion solvent for 1kg of silver powder was 26mL of mastic oil, 15mL of camphor oil and 9mL of anise oil.

The operation method of the ceramic silver firing manufacturing process of the comparative example is substantially the same as that of the example 1, and is different from the example in that: the dispersion solvent for 1kg of silver powder was 38mL of mastic oil, 7mL of camphor oil and 5mL of anise oil.

In the comparative example 1, the content of the mastic oil is too low, the viscosity of the silver paste is too low due to the added camphor oil, the silver paste is different in thickness after being coated with silver, and overflow phenomenon also occurs, so that the silver paste cannot be fired in a furnace.

In comparative example 2, the mastic oil content was too high and the silver paste was too viscous to be silvered.