CN102490292B - Mould glass and manufacturing method thereof - Google Patents

Abstract

The invention primarily relates to a manufacturing method of mould glass of an acryl casting sheet material. The method is subjected to glass material selection, sliced sheet, edge grinding, toughening and grinding, the toughening process is as follows: (1) the temperature control of an toughened furnace: an upper region of the toughened furnace is 660-720 DEG C, a lower region of the toughened furnace is 650-700 DEG C, the heating time is 480-600 seconds/ furnace, quenching wind pressure is 40 KPa-60KPa during toughening, and the quenching time is 160-220 seconds; the smoothness of the glass after the toughening is finished is less than or equal to 0.1%; (2) each piece of glass needs to carry out cleaning on a surface pasting to a porcelain roller before the glass enters the furnace, thereby ensuring that the surface of the glass can not carry with sundries such as glass fragments and the like; (3) the use surface downward glass is firstly manufactured when the mould glass is manufactured, and the use surface upward glass is manufactured again; and (4) the toughened glass is placed close to a piece, the use surface of a first piece is back to a frame, the use surface of a second piece is opposite to the first piece use surface, and two pieces of glass are partitioned through a plastic strip or a softwood strip. The method provided by the invention used for manufacturing glass can meet manufacture requirements of the acryl casting sheet material.

Description

A kind of mould glass and production method

Technical field

The invention belongs to the technical field of glass deep processing, specifically a kind of production method of mould glass of acrylic casting sheet material.

Background technology

In the market, the acrylic of producing with casting method is more and more, becomes gradually main flow.And the most indispensable instrument is exactly mould glass in its production process, but because the space of a whole page of glass is larger and thicker, and the production process of acrylic to require the flatness of glass and smooth surface degree to require again high, so cause mould glass quality in process of production extremely unstable.

summary of the invention

technical problem:the object of the present invention is to provide a kind of production method of mould glass, the glass flatness and the smooth surface degree that use the method to produce are splendid, can effectively meet the needs of acrylic production mould on existing market.

technical scheme:the mould glass of the technical method made providing in the present invention is mainly the former glass sheet that uses high-quality, guarantee flatness by the related process parameter glass of adjusting annealing furnace, improve glass by grinding and use the surface quality of face, by these 2 quality that guarantee acrylic board.

For solving the problems of the technologies described above, the present invention by the following technical solutions:

1), glass selection: mould therefor glass uses float glass sheet to produce;

2), section: the unified upwards cutting of non-tin face when section, after section, glass is by the top of the shelf, non-tin face is unified inwards, guarantees that glass non-tin in the time putting down edging faces up;

3), edging:

1. guarantee that non-tin is towards upper edging when edging;

2. after edging, clean the non-tin face of glass, enter afterwards developing machine, guarantee that after developing a film, the surface of glass does not have glass dust;

3. washed glass is when by shelf, the non-tin face of each shelf first piece can not directly contact with the backrest of shelf, and non-tin is towards outer placement, and the non-tin face of all the other glass is placed towards the backrest of shelf, discharge successively, pastes and separates with plastics fillet or cork between every sheet glass;

4), tempering:

1. the temperature control of annealing furnace: go up district at 660-720 degree, inferior segment 650-700 degree; Transparency area is less than or equal to 3.5 squares, the heat time is 450-500 second/stove, and transparency area is greater than 3.5 squares, and the heat time is 480-600 second/stove; When tempering, chilling blast is 40KPa-60 KPa, and chilling period is 160-220 second; Ping Zheng Du≤0.1% of glass after tempering completes;

2. every sheet glass carries out wiping entering that face that stokehold all will be affixed to porcelain roller to it, guarantees that glass surface can be with foreign material such as glass dregs;

3. mould glass should the prone glass of first production and application in the time producing, then production and application is towards upper;

4. after tempering, glass is in the time putting by sheet, and first uses face back to shelf, and second use face is relative with first, between two sheet glass, separates with plastics fillet or spline;

5), grind:

1. grinding work starts front mill grinding wheel is pulled down and cleaned up, and according to actual conditions, bistrique is cleaned in process of production;

2. when grinder is produced, parameters is as follows, pressure: 2 ~ 2.5MPA, and speed: 1 ~ 1.2m/min, bistrique rotating speed: 650-750 rev/min, lapping liquid volume proportioning is: water: cerium oxide=50:1;

3., after every flake products has ground, product surface is rinsed well, after enter developing machine clean;

4. cleaned the rear surface quality to mould glass use face and detected, surface quality reaches without scratching, pit;

5. the glass having ground is in the time putting by sheet, and first uses face back to shelf, and second use face is relative with first, between two sheet glass, separates with plastics fillet or spline;

6. packing: before glass packaging,, by its wiped clean, the non-use of glass that first is placed, facing to packing wooden case, is then put plastics fillet or spline, second uses face relative with first, and then combination pairing is placed.

beneficial effect:the glass that uses the method in the present invention to produce can meet the need of production of acrylic casting sheet material, and the production that is conducive to the acrylic manufacturer later stage is stablized and quality control, can produce strong production guarantee is provided for acrylic.

The glass that the present invention produces is the necessary material that acrylic casting method is produced plate.Acrylic produce in application very extensive, have a extensive future.

The specific embodiment

the following stated is only preferred embodiment of the present invention, not the present invention is done to any pro forma restriction, and any modification, variation that every foundation technical spirit of the present invention is made it, all belong to scope of the present invention.

1, the selection of glass: all mould glass must use high-quality float glass sheet to produce.

2, section: the unified upwards cutting of non-tin face when section, after section, glass is by the top of the shelf, and non-tin face is unified inwards, and non-tin face is still in the above in the time putting down to guarantee edging with this.

3, edging:

1. guarantee that non-tin is towards upper edging when edging.

2. after edging, must use spray or thoroughly clean the non-tin face of glass with giant, the developing machine of being allowed for access afterwards guarantees that after developing a film, the surface of glass does not have glass dust simultaneously.

3. washed glass is when by shelf, the non-tin face of each shelf first piece can not directly contact with the backrest of shelf, non-tin is towards outer placement, the non-tin face of all the other glass is placed towards the backrest of shelf, discharge successively, between every sheet glass, must paste and separate (sticking in the 20mm of limit portion region), monolithic glass specification>=2m with cork ²time, every quantity must not exceed 25.

4, tempering: in furnace temperature, district is about 660-720 degree, inferior segment 650-700 degree, is less than or equal to 3.5 squares, heat time: 450-500 second/stove, be greater than 3.5 squares of 480-600 second/stoves, when tempering, chilling blast is: 40KPa-60 KPa, and chilling period: 160-220 second, before formal production, must first try stove with examination stove sheet, after tempering completes, adjust until 0.1% by the flatness of tested glass and according to actual conditions, the surface quality of simultaneously observing examination stove sheet reaches without scratching, pit.

2. every sheet glass carries out wiping entering that face that stokehold all will be affixed to porcelain roller to it, guarantees that glass surface can be with foreign material such as glass dregs.

3. mould glass is to distinguish use face and non-use face, and be that two flake products support the use, should the prone glass of first production and application in the time producing (that is: use face contacts with porcelain roller, upper surface printing " non-use face " mark), and then production and application is towards upper (that is: non-use face contacts with porcelain roller, upper surface printing " use face " mark).

4. formally producing needs to notify special messenger to match after a set of product to test, card guarantee the product of pairing come to together after its goodness of fit be less than 1mm distance.(between two sheet glass, not allowing to dodge seam).After reaching requirement, annealing furnace air grid will lock.

5. qualified products are in the time putting by sheet, and first uses face back to shelf, and second use face is relative with first, and separates with the little fillet of plastics between two sheet glass.Subsequent product leans on frame according to same way.

5, grind:

1. grinding work starts front each emery wheel and must pull down and clean up, in case the impurity of having on emery wheel impacts the surface quality of product.According to actual conditions, bistrique is cleaned in process of production.

2. when grinder is produced, parameters is as follows, pressure: 2 ~ 2.5 MPA, and speed: 1 ~ 1.2, bistrique rotating speed: 650-750 rev/min, lapping liquid proportioning 50:1(water: cerium oxide).

3., after every flake products has ground, must rinse product surface well the rear developing machine that just can enter with giant and clean.

4. invisible under ordinary ray because scratching, product is put under sunlight or super bath lamp wiring under miter angle visual detection, to using the surface quality of face to detect, surface quality reaches without scratching, pit.

5. the qualified products that ground are in the time putting by sheet, and first uses face back to shelf, and second use face is relative with first, and separates with the little fillet of plastics between two sheet glass.Subsequent product leans on frame according to same way.

6. packing: must be with cloth by its wiped clean before glass inlet, can not there be impression of the hand, dust etc. in surface.Inlet must advanced person be printed on the product of " non-use face ", and non-use is facing to the inside.Then the little fillet of top black plastic (placing three or four according to product size), then enter to be printed on the product (noting: these two should be auxiliary products) of " use face ", subsequent product is cased according to same way.

Claims (1)

1. a production method for mould glass, is characterized in that this production method comprises the following steps:

1), glass selection: mould therefor glass uses float glass sheet to produce;

2), section: the unified upwards cutting of non-tin face when section, after section, glass is by the top of the shelf, non-tin face is unified inwards, guarantees that glass non-tin in the time putting down edging faces up;

3), edging:

1. guarantee that non-tin is towards upper edging when edging;

2. after edging, clean the non-tin face of glass, enter afterwards developing machine, guarantee that after developing a film, the surface of glass does not have glass dust;

3. washed glass is when by shelf, the non-tin face of each shelf first piece can not directly contact with the backrest of shelf, and non-tin is towards outer placement, and the non-tin face of all the other glass is placed towards the backrest of shelf, discharge successively, pastes and separates with plastics fillet or cork between every sheet glass;

4), tempering:

1. the temperature control of annealing furnace: go up district at 660-720 degree, inferior segment 650-700 degree; Transparency area is less than or equal to 3.5 squares, the heat time is 450-500 second/stove, and transparency area is greater than 3.5 squares, and the heat time is 480-600 second/stove; When tempering, chilling blast is 40KPa-60KPa, and chilling period is 160-220 second; Ping Zheng Du≤0.1% of glass after tempering completes;

2. every sheet glass carries out wiping entering that face that stokehold all will be affixed to porcelain roller to it, guarantees that glass surface can be with glass dregs foreign material;

3. mould glass should the prone glass of first production and application in the time producing, then production and application is towards upper;

4. after tempering, glass is in the time putting by sheet, and first uses face back to shelf, and second use face is relative with first, between two sheet glass, separates with plastics fillet or spline;

5), grind:

1. grinding work starts front mill grinding wheel is pulled down and cleaned up, and according to actual conditions, bistrique is cleaned in process of production;

2. when grinder is produced, parameters is as follows, pressure: 2～2.5MPA, and speed: 1～1.2m/min, bistrique rotating speed: 650-750 rev/min, lapping liquid volume proportioning is: water: cerium oxide=50:1;

3., after every flake products has ground, product surface is rinsed well, after enter developing machine clean;

4. cleaned the rear surface quality to mould glass use face and detected, surface quality reaches without scratching, pit;

5. the glass having ground is in the time putting by sheet, and first uses face back to shelf, and second use face is relative with first, between two sheet glass, separates with plastics fillet or spline;

6. packing: before glass packaging,, by its wiped clean, the non-use of glass that first is placed, facing to packing wooden case, is then put plastics fillet or spline, second uses face relative with first, and then combination pairing is placed.