CN108107706A - One kind is micro- to paint enamel dial plate and preparation method thereof - Google Patents
One kind is micro- to paint enamel dial plate and preparation method thereof Download PDFInfo
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- CN108107706A CN108107706A CN201810051369.3A CN201810051369A CN108107706A CN 108107706 A CN108107706 A CN 108107706A CN 201810051369 A CN201810051369 A CN 201810051369A CN 108107706 A CN108107706 A CN 108107706A
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- G—PHYSICS
- G04—HOROLOGY
- G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
- G04B47/00—Time-pieces combined with other articles which do not interfere with the running or the time-keeping of the time-piece
- G04B47/04—Time-pieces combined with other articles which do not interfere with the running or the time-keeping of the time-piece with attached ornaments or amusement apparatus
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/009—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone characterised by the material treated
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
- C04B41/51—Metallising, e.g. infiltration of sintered ceramic preforms with molten metal
- C04B41/515—Other specific metals
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/52—Multiple coating or impregnating multiple coating or impregnating with the same composition or with compositions only differing in the concentration of the constituents, is classified as single coating or impregnation
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
- C04B41/81—Coating or impregnation
- C04B41/85—Coating or impregnation with inorganic materials
- C04B41/88—Metals
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
- C04B41/81—Coating or impregnation
- C04B41/89—Coating or impregnation for obtaining at least two superposed coatings having different compositions
-
- G—PHYSICS
- G04—HOROLOGY
- G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
- G04B19/00—Indicating the time by visual means
- G04B19/06—Dials
- G04B19/10—Ornamental shape of the graduations or the surface of the dial; Attachment of the graduations to the dial
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Inorganic Chemistry (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
- Surface Treatment Of Glass (AREA)
Abstract
Micro- enamel dial plate and preparation method thereof is painted the invention discloses a kind of, micro- enamel dial plate of painting includes ceramic dial plate body, the center of the ceramics dial plate body is equipped with indicator mounting hole, the back side of the ceramics dial plate body is equipped with to install the location dimples of the stitch of timepiece movement, the side of the ceramics dial plate body is equipped with the positioning groove for location watch crown, and the front of the ceramics dial plate body is equipped with enamel glaze layer.The ceramic dial plate body of the present invention is made with isostatic pressing process and high precision numerical control surface grinding machine, and accurate size, surfacing can be completely bonded with the surface of movement, avoids when enamel is fired on existing metal dial and the problem of gross distortion occurs；And the back side of ceramic dial plate body is equipped with to install the location dimples of the stitch of timepiece movement, side is equipped with the positioning groove of location watch crown, can be adapted to installation with existing conventional timepiece movement, is not in that indicator is not installed or the phenomenon that card pin.
Description
Technical field
The present invention relates to a kind of dial plate more particularly to a kind of micro- paint enamel dial plate and preparation method thereof.
Background technology
The manufacture craft of enamel be divided into thread weaving enamel, it is interior fill out three kinds of enamel and painted enamel, wherein, painted enamel is with five face six
The enamel glaze slip of color is drawn on carcass surface, and painted decoration pattern is formed after high-temperature firing, also known as " enamel picture ", has very
High collection and ornamental value.
Enamel dial plate is to integrate decoration and the clock and watch accessory of function, it forms decoration figure on surface using enamel technique
Case, in addition to the artistic effect for requiring glassy surface, it is necessary to meet matching requirements, diameter, flatness, location hole including dial plate
(slot), centre bore etc. have very strict size tolerance requirements, particularly require higher to the dial plate of stem-winder.Existing hand
Table dial plate is typically all that utilization is stamping forming, can preferably meet matching requirements.But due to the enamel glaze of enamel dial plate
Layer need to be fired at high temperature, and the thickness of dial plate in itself is very thin, and when firing such as is subject to deflection at the deformations；Cause finally to fill
Timing, indicator cannot be mounted on the enamel dial plate or surface of indicator and enamel dial plate and be stuck.
For this purpose, someone replaces traditional metal dial to make enamel dial plate with ceramic dial plate.Ceramic dial plate has resistance to height
Warm nature during firing, will not be deformed.But existing solution ceramics dial plate, due to the thermal expansion of its glaze and ceramic dial plate
Coefficient mismatches, and glaze layer is difficult to and ceramic dial plate is strong bonded, easily collapses glaze.Moreover, existing solution ceramics dial plate
Integral thickness is larger, gives people heavy sense；In addition due to its structure design and the deficiency of manufacture craft, cause the essence of ceramic dial plate
Degree is inadequate, can not meet the matching requirements of wrist-watch, it is impossible to be adapted to the movement of wrist-watch.Meanwhile the texture of ceramic dial plate is poor, nothing
Method is applied on high-grade wrist-watch, limits development of the enamel technique in wrist-watch field.
The content of the invention
It is an object of the invention to solve above-mentioned shortcoming and defect existing in the prior art, provide and a kind of micro- paint enamel dial plate
And preparation method thereof.
To solve its technical problem, the technical solution adopted in the present invention is：One kind is micro- to paint enamel dial plate, including ceramic watch
Disk body, the center of the ceramics dial plate body are equipped with indicator mounting hole, and the back side of the ceramics dial plate body is equipped with to pacify
The location dimples of the stitch of timepiece movement are filled, the side of the ceramics dial plate body is equipped with recessed for the positioning of location watch crown
Slot, the front of the ceramics dial plate body are equipped with enamel glaze layer.
Further, the side of the ceramic dial plate body and the back side are coated with layer of titanium metal.
Further, the thickness of the enamel glaze layer is 0.15~0.25mm, and the enamel glaze layer includes the ground-coat enamel of bottom
Layer and the painted enamel glaze layer drawn under the microscope on upper strata.
A kind of micro- production method for painting enamel dial plate, includes the following steps：
(1) using nano zircite as raw material, ceramic dial plate blank is produced using isostatic pressing process, in ceramic watch
The centrally disposed indicator mounting hole of disk blank, the back side suppress to install the location dimples of the stitch of timepiece movement, side is set
It puts for the positioning groove of location watch crown；
(2) ceramic dial plate blank is ground using high precision numerical control surface grinding machine, obtains ceramic dial plate body；
(3) by the fine silver pipe assembly of an adaptation in the indicator mounting hole of ceramic dial plate body, and the lower end of fine silver pipe is made
Maintain an equal level with the back side of ceramic dial plate body, upper end is higher by 0.1~0.15mm than the front of ceramic dial plate body, then clean, blow
It is dry, the face-up of ceramic dial plate body is placed in titanium net；
(4) in the front of ceramic dial plate body, equably sieve spreads one layer of high temperature white powdered frit, and makes high temperature white glaze
The powder of powder and the upper end of fine silver pipe maintain an equal level, and then fire, and high temperature white glaze powder layer are made to form ground glaze layer, by ground-coat enamel after cooling
Fine silver pipe is removed in the surface flattening of layer, then secondary firing；
(5) low-temperature glaze in being modulated according to the dial plate pattern color of design, under the microscope, with the middle low temperature modulated
Pattern needed for positive iso-surface patch of the glaze in ceramic dial plate body；
(6) glaze on ceramic dial plate body is dried, then fired, the middle low-temperature glaze of drafting is made to form painted enamel glaze
Layer takes out cooling, obtains micro- painting enamel dial plate semi-finished product；
(7) micro- enamel dial plate semi-finished product of painting are subjected to thorough oil removing, cleaning and drying, using the method for vacuum ion membrane plating
One layer of layer of titanium metal is deposited at micro- back side for painting enamel dial plate semi-finished product and side；
(8) finally the stitch of timepiece movement is perpendicularly fixed in location dimples, obtains micro- painting enamel dial plate finished product.
Further, the thickness of the ceramic dial plate blank is 0.9~1.0mm, indicator mounting hole a diameter of 1.8~
2.0mm, the depth of location dimples are 0.5~0.6mm, a diameter of 1.2~1.5mm, the width of positioning groove for 0.2~
0.25mm, depth are 0.1~0.15mm.
Preferably, in the step (1), the process conditions for making ceramic dial plate blank are：Isostatic cool pressing pressure for 230~
280MPa, time are 30~60 seconds；Sintering temperature is 1400~1450 DEG C, and sintering time is 2~3h.
Further, in the step (2), ceramic dial plate blank is ground to 0.3 using high precision numerical control surface grinding machine
~0.4mm is thick；Wherein, the front of ceramic dial plate blank wears away the thickness of 0.1~0.2mm, the back side wears away the thickness of 0.4~0.5mm
Degree, the surface roughness of ceramics dial plate blank after grinding is 13~16 μm.
Further, in the step (4), the coefficient of thermal expansion of high temperature white powdered frit is 8 × 10-6/ DEG C~9 × 10-6/ DEG C, the temperature fired twice is 900 DEG C, wherein the time that the time fired for the first time for 50~70s, fires for second is
25~30s.
Further, in the step (5), using coefficient of thermal expansion as 6 × 10-6/ DEG C~8 × 10-6/ DEG C middle low temperature glaze
Expect for raw material, and be ground to 320~400 mesh, be then respectively placed in by color in color saucer, it will with palette knife and turpentine oil
It is uniformly 5~10PaS to viscosity number that the middle low-temperature glaze of each color rolls respectively；The midsole temperature glaze of hybrid modulation different colours
During material, carried out according to first shallow rear deep color sequences；The arrangement of pattern determines direction according to positioning groove, solves existing skill
In art, direction the problem of can not determining of pattern when drawing the pattern of enamel dial plate.
When it is described it is micro- paint enamel dial plate and need having time scale when, then before the drawing a design of step (5) is carried out, with equipped with
The mould of time scale slot is assemblied on ceramic dial plate body, and the newel of mould is made to be inserted into indicator mounting hole, passes through table
The center line of pin mounting hole and positioning groove adjusts the position of mould, then allocates glaze with the powdered frit of 320~400 mesh,
Deployed glaze is filled in the time scale slot of mould under microscope, after glaze to be filled drying, mould is taken away,
The front of ceramic dial plate body can be made to be painted with time scale.
Further, in the step (6), the temperature of firing is 700~800 DEG C, the time is 50~60s, takes out cooling
When, if painted enamel glaze layer need to fill up glaze, need to fire again into stove.For the glaze easily to change colour in sintering procedure, then
It after other glaze that are not easy to change colour bake, then is plotted on dial plate and is fired, in this way, the burning to variable colour glaze can be reduced
Number processed reduces the possibility of glaze discoloration.
Preferably, in the step (7), to it is micro- paint enamel dial plate semi-finished product carry out plated film before, first with oil pen will
Its front carries out paint covering, in this way, Titanium can be prevented to be attached on micro- front for painting enamel dial plate semi-finished product.
Preferably, in the step (8), using rectilinear clamping device by the stitch vertical compression of timepiece movement in positioning
In pit, then stitch is fixed with Ag-30Cu-10Sn low-temperature brazing filler metals again and is welded in location dimples.
Compared with prior art, beneficial effects of the present invention are：
1. the ceramic dial plate body of the present invention is nano zirconia material, there is good high temperature resistant, corrosion resistance characteristic, and
Mechanical strength, hardness and toughness are all very strong, also with excellent chemical stability and biocompatibility, with middle low temperature enamel glaze
With good thermal expansion matching, when firing glaze layer can be made to form slight compression, be conducive between glaze layer and dial plate
Firm connection, and will not deform；
2. the ceramic dial plate body of the present invention is made with isostatic pressing process and high precision numerical control surface grinding machine, ruler
Very little accurate, surfacing can be completely bonded with the surface of movement, avoid and occur seriously when enamel is fired on existing metal dial
The problem of deformation；And the back side of ceramic dial plate body is equipped with to install the location dimples of the stitch of timepiece movement, side is equipped with
The positioning groove of location watch crown can be adapted to installation with existing conventional timepiece movement, be not in indicator do not install or
The phenomenon that card pin；
3. micro- integral thickness for painting enamel dial plate that production method of the present invention makes is 0.45~0.65mm, hence it is evident that is thinner than existing
The ceramic dial plate having, the thickness of existing ceramics dial plate are generally more than 1.7mm.Micro- enamel dial plate of painting both has enamel decorative beauty
Sense, and there is dial plate, the painted enamel glaze layer of enamel glaze layer is drawn by microscope, and pattern is fine, and texture is good, high-grade hand
Table can be also applicable in；
4. the present invention using the method for vacuum ion membrane plating at micro- back side for painting enamel dial plate and side deposited metal titanium layer,
Obtained layer of titanium metal is very thin, and the adhesive force of layer of titanium metal is good, consistency is high, and long-acting decoration and guarantor can be played to dial plate
Shield acts on.
Description of the drawings
Fig. 1 is micro- schematic rear view for painting enamel dial plate of the present invention；
Fig. 2 is micro- radial cross-section for painting enamel dial plate of the present invention.
In figure, ceramic dial plate body 1, indicator mounting hole 2, location dimples 3, positioning groove 4, enamel glaze layer 5, layer of titanium metal
6th, ground glaze layer 7, painted enamel glaze layer 8, stitch 9.
Specific embodiment
Embodiment 1
The present embodiment provides it is a kind of it is micro- paint enamel dial plate, as depicted in figs. 1 and 2, including ceramic dial plate body 1, ceramic watch
The center of disk body is equipped with indicator mounting hole 2, and the back side of ceramic dial plate body is equipped with to install determining for the stitch 9 of timepiece movement
Position pit 3, the side of ceramic dial plate body are equipped with the positioning groove 4 for location watch crown, the front of ceramic dial plate body
Equipped with enamel glaze layer 5, the side and the back side of ceramic dial plate body are coated with layer of titanium metal 6.Enamel glaze layer includes the ground glaze layer 7 of bottom
With the painted enamel glaze layer 8 drawn under the microscope on upper strata.
Micro- production method for painting enamel dial plate, includes the following steps：
(1) using nano zircite as raw material, according to the dial plate shape of design, thickness is produced using isostatic pressing process
The ceramic dial plate blank for 0.95mm is spent, isostatic cool pressing pressure is 250MPa, and the time is 45 seconds；Sintering temperature is 1420 DEG C, is burnt
The knot time is 2.5h；Indicator mounting hole, the back side in centrally disposed a diameter of 1.9mm of ceramic dial plate blank suppress to pacify
Fill the location dimples of the stitch of timepiece movement, side sets the positioning groove for being used for location watch crown；The depth of location dimples
For 0.55mm, a diameter of 1.35mm, the width of positioning groove is 0.22mm, depth 0.12mm；
(2) use high precision numerical control surface grinding machine that ceramic dial plate blank is ground to thickness for 0.35mm, wherein, ceramic watch
The front of disk blank wears away the thickness of 0.15mm, the back side wears away the thickness of 0.45mm, obtains ceramic dial plate body, the ceramics dial plate
The surface roughness of body is 14 μm；
(3) by fine silver pipe assembly that a wall thickness is 0.45mm in the indicator mounting hole of ceramic dial plate body, and fine silver is made
The lower end of the pipe and back side of ceramic dial plate body maintains an equal level, upper end is higher by 0.12mm than the front of ceramic dial plate body, then with washing
Clean seminal plasma is washed and is rinsed with water totally, by the face-up of ceramic dial plate body after drying, is placed in titanium net；
(4) it is 8.5 × 10 by coefficient of thermal expansion with the sieve of 150 mesh-6/ DEG C high temperature white powdered frit equably sieve and be sprinkling upon
On the front of ceramic dial plate body, and the powder of high temperature white powdered frit and the upper end of fine silver pipe is made to maintain an equal level, then at 900 DEG C
60s is fired, high temperature white glaze powder layer is made to form ground glaze layer, with the sand paper of 800 mesh by the surface flattening of ground glaze layer after cooling, so
30s is fired at 900 DEG C again afterwards, obtains the ground glaze layer of surfacing, removes fine silver pipe；
(5) it is 7 × 10 by coefficient of thermal expansion-6/ DEG C middle low-temperature glaze be ground to 350 mesh, then placed respectively by color
In color saucer, and the middle low-temperature glaze of a variety of colors is rolled respectively with palette knife and turpentine oil and is to viscosity number uniformly
7Pa·S；The middle low-temperature glazes of different colours is mixed, with the corresponding middle low temperature glaze of the dial plate pattern color for modulating with designing
Material, during modulation, middle low-temperature glaze is mixed according to from light color to dark order；The middle low temperature glaze modulated is dipped with paintbrush
Material, by microscope, draws a design, the arranged direction of pattern is according to ceramic dial plate body side in the front of ceramic dial plate body
Positioning groove determine；
(6) glaze on ceramic dial plate body is thoroughly dried, then fires 55s at 750 DEG C, make the middle low temperature of drafting
Glaze forms painted enamel glaze layer, takes out cooling, obtains micro- painting enamel dial plate semi-finished product；Glaze paint is observed after taking out cooling,
If painted enamel glaze layer need to fill up glaze, need to fire again into stove；For the glaze easily to change colour in sintering procedure, then it is treated
It after its glaze not easy to change bakes, then is plotted on dial plate, is then fired；It is micro- to paint the whole thick of enamel dial plate semi-finished product
It spends for 0.55mm, and the overall thickness of white ground glaze layer and painted enamel glaze layer is 0.2mm；
(7) micro- enamel dial plate semi-finished product of painting are subjected to thorough oil removing, cleaning and drying, enamel is painted with the covering of oil pen's paint is micro-
Then micro- enamel dial plate semi-finished product of painting are placed in PVD vacuum plating furnaces, using vacuum ion plating by the front of thinkling sound's dial plate semi-finished product
The method of film deposits one layer of layer of titanium metal, sedimentation time 45min at micro- back side for painting enamel dial plate semi-finished product and side；
(8) with rectilinear clamping device by one end vertical compression of the stitch of timepiece movement in location dimples, Ran Houzai
It is fixed and is welded in location dimples with Ag-30Cu-10Sn low-temperature brazing filler metals, obtain micro- painting enamel dial plate finished product.
Embodiment 2
The present embodiment 2 is transformed on the basis of embodiment 1, the difference is that, the present embodiment 2 makes micro- paint
The process conditions of enamel dial plate and the difference to micro- size requirement for painting enamel dial plate and embodiment 1, see below：
In the present embodiment 2, micro- production method for painting enamel dial plate includes the following steps：
(1) using nano zircite as raw material, according to the dial plate shape of design, thickness is produced using isostatic pressing process
The ceramic dial plate blank for 1.0mm is spent, isostatic cool pressing pressure is 280MPa, and the time is 30 seconds；Sintering temperature is 1450 DEG C, sintering
Time is 2h；Indicator mounting hole, the back side in centrally disposed a diameter of 2.0mm of ceramic dial plate blank suppress to install hand
The location dimples of the stitch of table movement, side set the positioning groove for location watch crown；The depth of location dimples is
0.6mm, a diameter of 1.5mm, the width of positioning groove is 0.25mm, depth 0.15mm；
(2) use high precision numerical control surface grinding machine that ceramic dial plate blank is ground to thickness for 0.4mm, wherein, ceramic watch
The front of disk blank wears away the thickness of 0.2mm, the back side wears away the thickness of 0.4mm, obtains ceramic dial plate body, the ceramics dial plate sheet
The surface roughness of body is 16 μm；
(3) by fine silver pipe assembly that a wall thickness is 0.5mm in the indicator mounting hole of ceramic dial plate body, and fine silver pipe is made
Lower end and ceramic dial plate body the back side maintain an equal level, upper end is higher by 0.15mm than the front of ceramic dial plate body, then clean with washing
Seminal plasma is washed and is rinsed with water totally, by the face-up of ceramic dial plate body after drying, is placed in titanium net；
(4) it is 9 × 10 by coefficient of thermal expansion with the sieve of 150 mesh-6/ DEG C high temperature white powdered frit equably sieve and be sprinkling upon pottery
On the front of porcelain dial plate body, and the powder of high temperature white powdered frit and the upper end of fine silver pipe is made to maintain an equal level, then burnt at 900 DEG C
70s processed makes high temperature white glaze powder layer form ground glaze layer, with the sand paper of 800 mesh by the surface flattening of ground glaze layer after cooling, then
30s is fired at 900 DEG C again, obtains the ground glaze layer of surfacing, removes fine silver pipe；
(5) it is 8 × 10 by coefficient of thermal expansion-6/ DEG C middle low-temperature glaze be ground to 400 mesh, then placed respectively by color
In color saucer, and the middle low-temperature glaze of a variety of colors is rolled respectively with palette knife and turpentine oil and is to viscosity number uniformly
10Pa·S；The middle low-temperature glazes of different colours is mixed, with the corresponding middle low temperature glaze of the dial plate pattern color for modulating with designing
Material, during modulation, middle low-temperature glaze is mixed according to from light color to dark order；The middle low temperature glaze modulated is dipped with paintbrush
Material, by microscope, draws a design, the arranged direction of pattern is according to ceramic dial plate body side in the front of ceramic dial plate body
Positioning groove determine；
(6) glaze on ceramic dial plate body is thoroughly dried, then fires 50s at 800 DEG C, make the middle low temperature of drafting
Glaze forms painted enamel glaze layer, takes out cooling, obtains micro- painting enamel dial plate semi-finished product；Glaze paint is observed after taking out cooling,
If painted enamel glaze layer need to fill up glaze, need to fire again into stove；For the glaze easily to change colour in sintering procedure, then it is treated
It after its glaze not easy to change bakes, then is plotted on dial plate, is then fired；It is micro- to paint the whole thick of enamel dial plate semi-finished product
It spends for 0.65mm, and the overall thickness of white ground glaze layer and painted enamel glaze layer is 0.25mm；
(7) micro- enamel dial plate semi-finished product of painting are subjected to thorough oil removing, cleaning and drying, enamel is painted with the covering of oil pen's paint is micro-
Then micro- enamel dial plate semi-finished product of painting are placed in PVD vacuum plating furnaces, using vacuum ion plating by the front of thinkling sound's dial plate semi-finished product
The method of film deposits one layer of layer of titanium metal, sedimentation time 50min at micro- back side for painting enamel dial plate semi-finished product and side；
(8) with rectilinear clamping device by one end vertical compression of the stitch of timepiece movement in location dimples, Ran Houzai
It is fixed and is welded in location dimples with Ag-30Cu-10Sn low-temperature brazing filler metals, obtain micro- painting enamel dial plate finished product.
When it is described it is micro- paint enamel dial plate and need having time scale when, then before the drawing a design of step (5) is carried out, with equipped with
The mould of time scale slot is assemblied on ceramic dial plate body, and the newel of mould is made to be inserted into indicator mounting hole, passes through table
The center line of pin mounting hole and positioning groove adjusts the position of mould.Glaze is allocated with the black powdered frit of 400 mesh, by micro-
Mirror dips glaze with line pen and is filled in the time scale slot of mould, after glaze to be filled drying, mould is taken away, i.e.,
The front of ceramic dial plate body can be made to be painted with time scale.
Embodiment 3
The present embodiment 3 is transformed on the basis of embodiment 1, the difference is that, the present embodiment 3 makes micro- paint
The process conditions of enamel dial plate and the difference to micro- size requirement for painting enamel dial plate and embodiment 1, see below：
In the present embodiment 3, micro- production method for painting enamel dial plate includes the following steps：
(1) using nano zircite as raw material, according to the dial plate shape of design, thickness is produced using isostatic pressing process
The ceramic dial plate blank for 0.9mm is spent, isostatic cool pressing pressure is 230MPa, and the time is 60 seconds；Sintering temperature is 1400 DEG C, sintering
Time is 3h；Indicator mounting hole, the back side in centrally disposed a diameter of 1.8mm of ceramic dial plate blank suppress to install hand
The location dimples of the stitch of table movement, side set the positioning groove for location watch crown；The depth of location dimples is
0.5mm, a diameter of 1.2mm, the width of positioning groove is 0.2mm, depth 0.1mm；
(2) use high precision numerical control surface grinding machine that ceramic dial plate blank is ground to thickness for 0.3mm, wherein, ceramic watch
The front of disk blank wears away the thickness of 0.1mm, the back side wears away the thickness of 0.5mm, obtains ceramic dial plate body, the ceramics dial plate sheet
The surface roughness of body is 13 μm；
(3) by fine silver pipe assembly that a wall thickness is 0.4mm in the indicator mounting hole of ceramic dial plate body, and fine silver pipe is made
Lower end and ceramic dial plate body the back side maintain an equal level, upper end is higher by 0.1mm than the front of ceramic dial plate body, then use liquid detergent
It cleans and is rinsed with water totally, by the face-up of ceramic dial plate body after drying, be placed in titanium net；
(4) it is 8 × 10 by coefficient of thermal expansion with the sieve of 150 mesh-6/ DEG C high temperature white powdered frit equably sieve and be sprinkling upon pottery
On the front of porcelain dial plate body, and the powder of high temperature white powdered frit and the upper end of fine silver pipe is made to maintain an equal level, then burnt at 900 DEG C
50s processed makes high temperature white glaze powder layer form ground glaze layer, with the sand paper of 800 mesh by the surface flattening of ground glaze layer after cooling, then
25s is fired at 900 DEG C again, obtains the ground glaze layer of surfacing, removes fine silver pipe；
(5) it is assemblied in the mould equipped with time scale slot on ceramic dial plate body, and makes the newel insertion table of mould
In pin mounting hole, the position of mould is adjusted by the center line of indicator mounting hole and positioning groove.With the black powdered frit of 320 mesh
Glaze is allocated, by microscope, glaze is dipped with line pen and is filled in the time scale slot of mould, glaze to be filled drying
Afterwards, mould is taken away, you can time scale of completing in the front of ceramic dial plate body；
(6) it is 6 × 10 by coefficient of thermal expansion-6/ DEG C middle low-temperature glaze be ground to 320 mesh, then placed respectively by color
In color saucer, and the middle low-temperature glaze of a variety of colors is rolled respectively with palette knife and turpentine oil and is to viscosity number uniformly
5Pa·S；The middle low-temperature glazes of different colours is mixed, with the corresponding middle low temperature glaze of the dial plate pattern color for modulating with designing
Material, during modulation, middle low-temperature glaze is mixed according to from light color to dark order；The middle low temperature glaze modulated is dipped with paintbrush
Material, by microscope, draws a design, the arranged direction of pattern is according to ceramic dial plate body side in the front of ceramic dial plate body
Positioning groove determine；
(7) glaze on ceramic dial plate body is thoroughly dried, then fires 60s at 700 DEG C, make the middle low temperature of drafting
Glaze forms painted enamel glaze layer, takes out cooling, obtains micro- painting enamel dial plate semi-finished product；Glaze paint is observed after taking out cooling,
If painted enamel glaze layer need to fill up glaze, need to fire again into stove；For the glaze easily to change colour in sintering procedure, then it is treated
It after its glaze not easy to change bakes, then is plotted on dial plate, is then fired；It is micro- to paint the whole thick of enamel dial plate semi-finished product
It spends for 0.45mm, and the overall thickness of white ground glaze layer and painted enamel glaze layer is 0.15mm；
(8) micro- enamel dial plate semi-finished product of painting are subjected to thorough oil removing, cleaning and drying, enamel is painted with the covering of oil pen's paint is micro-
Then micro- enamel dial plate semi-finished product of painting are placed in PVD vacuum plating furnaces, using vacuum ion plating by the front of thinkling sound's dial plate semi-finished product
The method of film deposits one layer of layer of titanium metal, sedimentation time 40min at micro- back side for painting enamel dial plate semi-finished product and side；
(9) with rectilinear clamping device by one end vertical compression of the stitch of timepiece movement in location dimples, Ran Houzai
It is fixed and is welded in location dimples with Ag-30Cu-10Sn low-temperature brazing filler metals, obtain micro- painting enamel dial plate finished product.
Embodiment 4
The present embodiment provides a kind of wrist-watches, and enamel dial plate is painted containing embodiment 1 or the micro- of embodiment 2 or embodiment 3.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention rather than the present invention is protected
The limitation of scope is protected, although being explained in detail with reference to preferred embodiment to the present invention, those of ordinary skill in the art should
Understand, technical scheme can be modified or replaced equivalently, without departing from the essence of technical solution of the present invention
And scope.
Claims (10)
1. one kind is micro- to paint enamel dial plate, including ceramic dial plate body, it is characterised in that：The center of the ceramics dial plate body is equipped with
Indicator mounting hole, the back side of the ceramics dial plate body are equipped with to install the location dimples of the stitch of timepiece movement, the pottery
The side of porcelain dial plate body is equipped with the positioning groove for location watch crown, and the front of the ceramics dial plate body is equipped with enamel
Glaze layer.
2. micro- as described in claim 1 paint enamel dial plate, it is characterised in that：The side of the ceramics dial plate body and back side plating
There is layer of titanium metal.
3. micro- as described in claim 1 paint enamel dial plate, it is characterised in that：The thickness of the enamel glaze layer for 0.15~
0.25mm, the enamel glaze layer include the ground glaze layer of bottom and the painted enamel glaze layer drawn under the microscope on upper strata.
4. a kind of micro- production method for painting enamel dial plate, which is characterized in that include the following steps：
(1) using nano zircite as raw material, ceramic dial plate blank is produced using isostatic pressing process, in ceramic dial plate base
The centrally disposed indicator mounting hole of part, the back side suppress to install the location dimples of the stitch of timepiece movement, side setting use
In the positioning groove of location watch crown；
(2) ceramic dial plate blank is ground using high precision numerical control surface grinding machine, obtains ceramic dial plate body；
(3) by the fine silver pipe assembly of an adaptation in the indicator mounting hole of ceramic dial plate body, and lower end and the pottery of fine silver pipe are made
The back side of porcelain dial plate body maintains an equal level, upper end is higher by 0.1~0.15mm than the front of ceramic dial plate body, then cleans, dries up, will
Ceramic dial plate body it is face-up, be placed in titanium net；
(4) in the front of ceramic dial plate body, equably sieve spreads one layer of high temperature white powdered frit, and makes high temperature white powdered frit
Powder and the upper end of fine silver pipe maintain an equal level, and then fire, and high temperature white glaze powder layer are made to form ground glaze layer, by ground glaze layer after cooling
Fine silver pipe is removed in surface flattening, then secondary firing；
(5) low-temperature glaze in being modulated according to the dial plate pattern color of design, under the microscope, with the middle low-temperature glaze modulated
Pattern needed for positive iso-surface patch in ceramic dial plate body；
(6) glaze on ceramic dial plate body is dried, then fired, the middle low-temperature glaze of drafting is made to form painted enamel glaze layer,
Cooling is taken out, obtains micro- painting enamel dial plate semi-finished product；
(7) micro- enamel dial plate semi-finished product of painting are subjected to thorough oil removing, cleaning and drying, using the method for vacuum ion membrane plating micro-
The back side and side for painting enamel dial plate semi-finished product deposit one layer of layer of titanium metal；
(8) finally the stitch of timepiece movement is perpendicularly fixed in location dimples, obtains micro- painting enamel dial plate finished product.
5. micro- production method for painting enamel dial plate as claimed in claim 4, it is characterised in that：The thickness of the ceramics dial plate blank
It spends for 0.9~1.0mm, a diameter of 1.8~2.0mm of indicator mounting hole, the depth of location dimples is 0.5~0.6mm, a diameter of
1.2~1.5mm, the width of positioning groove is 0.2~0.25mm, depth is 0.1~0.15mm.
6. micro- production method for painting enamel dial plate as claimed in claim 4, it is characterised in that：In the step (2), using height
Ceramic dial plate blank is ground to 0.3~0.4mm thickness by precision digital control plain surface grinding machine；Wherein, the front of ceramic dial plate blank is worn away
The thickness of 0.1~0.2mm, the back side wear away the thickness of 0.4~0.5mm, and the surface roughness of ceramics dial plate blank after grinding is
13~16 μm.
7. micro- production method for painting enamel dial plate as claimed in claim 4, it is characterised in that：In the step (4), high temperature
The coefficient of thermal expansion of white powdered frit is 8 × 10-6/ DEG C~9 × 10-6/ DEG C, the temperature fired twice is 900 DEG C, wherein first
The time of secondary firing is 50~70s, and second of the time fired is 25~30s.
8. micro- production method for painting enamel dial plate as claimed in claim 4, it is characterised in that：It is swollen with heat in the step (5)
Swollen coefficient is 6 × 10-6/ DEG C~8 × 10-6/ DEG C middle low-temperature glaze for raw material, and be ground to 320~400 mesh, then pressed
Color is respectively placed in color saucer, is rolled the middle low-temperature glaze of each color uniformly to viscosity number respectively with palette knife and turpentine oil
For 5~10PaS；During the midsole temperature glaze of hybrid modulation different colours, carried out according to first shallow rear deep color sequences；Pattern
Arrangement determines direction according to positioning groove.
9. micro- production method for painting enamel dial plate as claimed in claim 4, it is characterised in that：When micro- enamel dial plate of painting needs
During having time scale, then before step the drawing a design of (5) is carried out, ceramic watch is assemblied in the mould equipped with time scale slot
On disk body, and make mould newel be inserted into indicator mounting hole in, by the center line of indicator mounting hole and positioning groove come
The position of mould is adjusted, then glaze is allocated with the powdered frit of 320~400 mesh, is under the microscope filled in deployed glaze
In the time scale slot of mould, after glaze to be filled drying, mould is taken away, you can be painted with the front of ceramic dial plate body
Time scale.
10. micro- production method for painting enamel dial plate as claimed in claim 4, it is characterised in that：In the step (6), fire
Temperature be 700~800 DEG C, the time is 50~60s, take out cooling when, if painted enamel glaze layer need to fill up glaze, need into stove weight
It is new to fire.
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| CN207817425U (en) * | 2018-01-17 | 2018-09-04 | 广州番禺职业技术学院 | One kind is micro- to paint enamel dial plate and wrist-watch |
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