CN102522289A - Method and device for separating front baseplate and back baseplate of plasma display panel - Google Patents
Method and device for separating front baseplate and back baseplate of plasma display panel Download PDFInfo
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- CN102522289A CN102522289A CN201110455693XA CN201110455693A CN102522289A CN 102522289 A CN102522289 A CN 102522289A CN 201110455693X A CN201110455693X A CN 201110455693XA CN 201110455693 A CN201110455693 A CN 201110455693A CN 102522289 A CN102522289 A CN 102522289A
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- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
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Abstract
The invention provides a method for separating the front baseplate and the back baseplate of a plasma display panel. The method comprises the following steps: heating the plasma display panel; inserting a splitting tool into the sealing part of the front baseplate and the back baseplate of the plasma display panel subjected to heating, so as to generate a cutting space; allowing the splitting tool to move along the sealing part to form the end-to-end cutting space; and inserting a division board into the cutting space so as to allow the front baseplate and the back baseplate to be separated completely, with the aid of the splitting tool. According to the device and the method provided by the invention, the plasma display panel is subjected to high-temperature processing, to soften the binding agent between the front baseplate and the back baseplate and generate the cutting space through inserting the splitting tool into the softened sealing part, thereby separating the front and back baseplates. The method provided by the invention is simple and easy to implement and ensures the integrity of the separated front and back baseplates, thereby facilitating the further production of the baseplates.
Description
Technical field
The invention belongs to the plasma panel field, relate in particular to the separation method and the device of prebasal plate and metacoxal plate in a kind of plasma panel.
Background technology
General alternating current gas discharge plasma display screen all adopts the surface discharge type structure at present; Comprise a prebasal plate and the metacoxal plate of sealing with it, dispose transparency electrode ITO and bus electrode on the prebasal plate, transparency electrode and bus electrode constitute sparking electrode; Sparking electrode comprises keeps sparking electrode X and scanning sparking electrode Y; Surface coverage at sparking electrode has one deck dielectric layer, and protective mulch on the dielectric layer, this protective layer can be magnesium oxide films.Dispose on the metacoxal plate and the orthogonal addressing electrode of sparking electrode; Cover one deck dielectric layer on the addressing electrode; Dispose the barrier rib parallel on the dielectric layer with its addressing electrode; And the bottom in barrier rib is coated with phosphor powder layer, adopts the binding agent that is similar to glass powder with low melting point to seal between the front-back baseboard, and is filled with discharge gas betwixt.
After above-mentioned plasma panel (PDP display screen) panel completes, also comprise the step of inspection before dispatching from the factory, if qualified on inspection then can dispatch from the factory, if defective on inspection then be regarded as waste product.Just prebasal plate is defective usually in the PDP display screen in these waste products; Perhaps metacoxal plate is defective, but because prebasal plate and metacoxal plate are sealed through the bonding of binding agent securely, has tens kilograms pulling force each other; Can't make its fractionation, so can only integral body scrap.
If can propose a kind of method for splitting with prebasal plate in the waste product and metacoxal plate; Taking out qualified part puts into production again; So not only can reduce percent defective, but also can reduce the production cost of PDP display screen, make the PDP display screen obtain the application of more popularizing.
Summary of the invention
Just damage the deficiency that can only integral body scrap in order to solve one of prior art ionic medium display screen prebasal plate and metacoxal plate, the invention provides the separation method and the device of prebasal plate and metacoxal plate in a kind of plasma panel, with the rate of reducing the number of rejects and seconds.
In one aspect of the invention, the separation method of prebasal plate and metacoxal plate in a kind of plasma panel is provided, has may further comprise the steps: the heating plasma panel; The fractionation instrument is inserted in the heating post plasma display screen in the sealed portion between the prebasal plate and metacoxal plate, generates cutting gaps, and the fractionation instrument is moved ahead along sealed portion, join end to end to cutting gaps; When using the fractionation instrument to separate prebasal plate and metacoxal plate, division board is inserted in the cutting gaps, prebasal plate and metacoxal plate are separated fully.
Further, before the above-mentioned step that the fractionation instrument is inserted into sealed portion, also comprise the step of heating fractionation instrument, the heating-up temperature that splits instrument is higher than the heating-up temperature of plasma panel.
Further, the heating-up temperature of above-mentioned plasma panel is 360 ℃～410 ℃, and the temperature that splits instrument is 490 ℃～510 ℃.
Further, above-mentioned before the step that division board is inserted in the cutting gaps, also comprise the step that makes pairing prebasal plate in cutting gaps both sides and metacoxal plate cooling.
Further, in the above-mentioned cooling step, temperature is reduced to 360 ℃～410 ℃.
Further, above-mentioned cooling step adopts cooling firm and hard existing, and fractionation instrument, cooling plate, division board are arranged in regular turn, and moved ahead along sealed portion with 1mm～2mm/ minute speed.
In another aspect of the present invention, the separator of prebasal plate and metacoxal plate in a kind of plasma panel also is provided, comprising: casing; Installation portion is arranged in the casing, in order to place plasma panel; Ring-shaped guide rail is arranged in the casing, is surrounded in the plasma panel that is placed on the installation portion periphery of sealed portion between the prebasal plate and metacoxal plate; The fractionation instrument is arranged on the ring-shaped guide rail movably, and corresponding with the sealed portion position; Division board is arranged on the ring-shaped guide rail movably, is positioned at the rear end of fractionation instrument moving direction, and corresponding with the sealed portion position; First heating member is installed in the casing, in order to the heating plasma panel.
Further, above-mentioned fractionation instrument comprises: connecting portion links to each other with ring-shaped guide rail; Split the wedge head, link to each other, and be yi word pattern wedge grip head away from a side of connecting portion and stretch out with connecting portion; Second heating member links to each other with fractionation wedge head, is used for heating and splits the wedge head.
Further, above-mentioned division board comprises: first plate body, link to each other with ring-shaped guide rail, and comprising: upper and lower plate body, process by heat-insulating material; Intermediate board body is arranged between the upper and lower plate body, is processed by metal material; First circulation pipe, the S-shaped inside that is arranged on first plate body, and the two ends of first circulation pipe extend to the outside by the inside of first plate body, and be connected through first compressor.
Further, above-mentioned separator also comprises the cooling plate, and the cooling plate is arranged on the ring-shaped guide rail movably, between fractionation instrument and division board, and corresponding with the sealed portion position.
Further, above-mentioned cooling plate comprises: second plate body links to each other with ring-shaped guide rail; Second circulation pipe, the S-shaped inside that is arranged on second plate body, and the two ends of second circulation pipe extend to the outside by the inside of first plate body, and be connected through second compressor.
Separation method and device by prebasal plate and metacoxal plate in the plasma panel provided by the invention; Carry out high-temperature process through the article on plasma display screen; Make the binding agent that is connected between prebasal plate and the metacoxal plate softening; And through the fractionation instrument being inserted in the sealed portion after softening producing cutting gaps, and then make front-back baseboard separately.This method is simple, easy to be implemented, and can guarantee to split the integrality of the front-back baseboard that obtains, so that it is further put in the production.
Except top described purpose, feature and advantage, the present invention also has other purpose, feature and advantage.To do further detailed explanation to the present invention with reference to figure below.
Description of drawings
Accompanying drawing constitute this specification a part, be used for further understanding the present invention, accompanying drawing shows the preferred embodiments of the present invention, and is used for explaining principle of the present invention with specification.Among the figure:
Fig. 1 shows the structural representation according to the separator of embodiment of the invention ionic medium display screen prebasal plate and metacoxal plate;
Fig. 2 shows the structural representation according to the detachment device of the embodiment of the invention;
Fig. 3 shows the structural representation according to the division board of the embodiment of the invention; And
Fig. 4 shows the structural representation according to the cooling plate of the embodiment of the invention.
Embodiment
Be noted that following detailed description all is an exemplary, being intended to provides further explanation to the present invention.Unless otherwise, all technology used of this paper and scientific terminology have with the present invention under the identical meanings of those of ordinary skill common sense of technical field.
In a kind of typical embodiment of the present invention, the separation method of prebasal plate and metacoxal plate in the plasma panel may further comprise the steps: heat plasma panel earlier; Then the fractionation instrument is inserted in the heating post plasma display screen in the sealed portion between the prebasal plate and metacoxal plate, generates cutting gaps, and the fractionation instrument is moved ahead along sealed portion, join end to end to cutting gaps; When using the fractionation instrument to separate prebasal plate and metacoxal plate, division board is inserted in the cutting gaps, prebasal plate and metacoxal plate are separated fully.
This method provided by the present invention; Carry out high-temperature process through the article on plasma display screen; Make the binding agent that is connected between prebasal plate and the metacoxal plate softening, and through the fractionation instrument being inserted in the sealed portion after softening producing cutting gaps, and then make front-back baseboard separately.This method is simple, easy to be implemented, and can guarantee to split the integrality of the front-back baseboard that obtains, so that it is further put in the production.
Preferably, in above-mentioned plasma panel in the separation method of prebasal plate and metacoxal plate, the fractionation instrument is inserted into the step of sealed portion before, also comprise the step of heating fractionation instrument, the heating-up temperature that splits instrument is higher than the heating-up temperature of plasma panel.
Above-mentioned separation method needs the whole plasma panel of heating earlier, and then splits with the fractionation instrument that is higher than the plasma panel heating-up temperature.If use the fractionation instrument of high-temperature that display screen is separated merely, cause in prebasal plate or the metacoxal plate glass substrate Yin Wendu uneven and burst probably.Through the whole heating of plasma panel has just been avoided the uneven caused problem of said temperature.The fractionation instrument is heated above the temperature of plasma panel, can makes the fractionation instrument be inserted into more easily in the sealed portion, simplify splitting step.
Preferably, the heating-up temperature of above-mentioned plasma panel is 360 ℃～410 ℃, and the temperature that splits instrument is 490 ℃～510 ℃.
The sealed portion majority of existing plasma panel is to adopt the glass powder with low melting point bonding to form, and temperature is risen to 360 ℃～410 ℃, can make when sealed portion is suitably softening also have certain intensity.The temperature of the instrument of fractionation is upgraded to 490 ℃～510 ℃; Temperature with plasma panel is more or less the same on the one hand; Can not cause that glass substrate bursts because of variations in temperature, can further soften sealed portion on the other hand, the fractionation instrument is inserted into form cutting gaps in the sealed portion.
In said method ionic medium display screen in the separation method of prebasal plate and metacoxal plate; The fractionation instrument is inserted in the sealed portion; After making prebasal plate and metacoxal plate separating; Prebasal plate and metacoxal plate also have certain temperature, no longer are bonded together in order to make both, have used division board to be placed between prebasal plate and the metacoxal plate.
In order to form continuous commercial production operating process, before the step that division board is inserted in the cutting gaps, also comprise the step that makes pairing prebasal plate in cutting gaps both sides and metacoxal plate cooling.Division board is put in the pairing prebasal plate in cutting gaps both sides and the suitable cooling of metacoxal plate more just can be made the sealed portion viscosity between prebasal plate and the metacoxal plate reduce, can not bond together once more each other.
Preferably, in the above-mentioned cooling step, temperature is reduced to 360 ℃～410 ℃.Cool the temperature to 360 ℃～410 ℃ and can take into account the time benefit time, reduce the viscosity between prebasal plate and the metacoxal plate, both are separated fast.Preferably lower the temperature with 2.3 ℃/minute～3.8 ℃/minute temperature, purpose is under the situation that glass does not break, and remaining bonding material solidifies as soon as possible.
More preferably, in the above-mentioned plasma panel in the separation method of prebasal plate and metacoxal plate cooling step adopt cooling firm and hard existing, fractionation instrument, cooling plate, division board are arranged in regular turn, and are moved ahead along sealed portion with 1mm～2mm/ minute speed.
This method is simple and can realize commercial application, can guarantee the completion of prebasal plate and metacoxal plate with 1mm～2mm/ minute speed operation, and not have adhesion each other.
As shown in Figure 1, in a kind of typical embodiment of the present invention, the separator of prebasal plate and metacoxal plate in a kind of plasma panel comprises: casing 1, installation portion 2, ring-shaped guide rail 3, fractionation instrument 4, division board 5 and first heating member 6.Installation portion 2 is arranged in the casing 1, in order to place plasma panel; Ring-shaped guide rail 3 is arranged in the casing 1, is surrounded in the plasma panel that is placed on the installation portion 2 periphery of sealed portion between the prebasal plate and metacoxal plate; Fractionation instrument 4 is arranged on the ring-shaped guide rail 3 movably, and corresponding with the sealed portion position; Division board 5 is arranged on the ring-shaped guide rail 3 movably, is positioned at the rear end of fractionation instrument 4 moving directions, and corresponding with the sealed portion position; First heating member 6 is installed in the casing 1, in order to the heating plasma panel.
This simple in structure, easily preparation can be used for realizing the separation method of prebasal plate and metacoxal plate in the above-mentioned plasma panel.
As shown in Figure 2, in a kind of concrete execution mode, above-mentioned fractionation instrument 4 comprises: connecting portion 41 and fractionation wedge head 43.Connecting portion 41 links to each other with ring-shaped guide rail 3; Split wedge head 43 and link to each other, and be yi word pattern wedge grip head away from a side of connecting portion 41 and stretch out with connecting portion 41.This fractionation wedge head 43 is designed to yi word pattern wedge grip head, can makes in its fast ripe sealed portion that is inserted into plasma panel.More preferably, comprise also in the above-mentioned fractionation instrument 4 that second heating member, 45, the second heating members 45 link to each other with fractionation wedge head 43, are used for heating and split wedge head 43.
As shown in Figure 3, in a kind of concrete execution mode, above-mentioned division board 5 comprises: first plate body 51 and first circulation pipe 53.First plate body 51 links to each other with ring-shaped guide rail 3, and it comprises: upper and lower plate body 511 and intermediate board body 513.Upper and lower plate body 511 is processed by heat-insulating material; Intermediate board body 513 is arranged between the upper and lower plate body 511, and is processed by metal material; First circulation pipe 53, the S-shaped inside that is arranged on first plate body 51, and the two ends of first circulation pipe 53 extend to the outside by the inside of first plate body 51, and be connected through first compressor 55.
The structure of this division board through first circulation pipe 53 is set, and is provided with liquid nitrogen in first circulation pipe 53, through the circulation of liquid nitrogen, and reduce the temperature of division board 5.This division board utilizes easy the to be cold characteristic of metal material through the middle metal material that adopts simultaneously, and then fast cooling; And can keep lower temperature; Both sides make residual bonding material cooling on upper substrate and the infrabasal plate, and then upper substrate and infrabasal plate are separated through adopting adiabatic material.
In a kind of concrete mode of the present invention; The separator of prebasal plate and metacoxal plate also comprises cooling plate 7 in the above-mentioned plasma panel; Cooling plate 7 is arranged on the ring-shaped guide rail 3 movably, between fractionation instrument 4 and division board 5, and corresponding with the sealed portion position.
As shown in Figure 4, preferably, above-mentioned cooling plate 7 comprises: second plate body 71 and second circulation pipe 73.Second plate body 71 links to each other with ring-shaped guide rail 3; Second circulation pipe, the 73 S-shaped inside that are arranged on second plate body 71, and the two ends of second circulation pipe 73 extend to the outside by the inside of first plate body 51, and be connected through second compressor 75.In second circulation pipe 73, also can pass through circulating fluid nitrogen, reduce the temperature of cooling plate 7.
Below will combine specific embodiment 1-3, further specify beneficial effect of the present invention.
Embodiment 1
Plasma panel: 60 inches, damage through detecting metacoxal plate, can't come into operation.
Method for splitting:
Plasma panel is heated to 360 ℃, the fractionation instrument is heated to 490 ℃;
The fractionation instrument is inserted in the heating post plasma display screen in the sealed portion between the prebasal plate and metacoxal plate, generates cutting gaps, and the fractionation instrument is moved ahead along sealed portion, join end to end to cutting gaps;
When using the fractionation instrument to separate prebasal plate and metacoxal plate, the plate of will lowering the temperature, division board are inserted in the cutting gaps, and fractionation instrument, cooling plate, division board are moved ahead along sealed portion with 1mm/ minute speed, make prebasal plate and metacoxal plate separate fully.The temperature of plate of wherein lowering the temperature is 360 ℃.
Split effect: after the fractionation, the fractionation surfacing of prebasal plate and metacoxal plate does not have damage through the test prebasal plate, after coming into operation once more, has no adverse effects.
Plasma panel: 60 inches, damage through detecting prebasal plate, can't come into operation.
Method for splitting:
Plasma panel is heated to 410 ℃, the fractionation instrument is heated to 510 ℃;
The fractionation instrument is inserted in the heating post plasma display screen in the sealed portion between the prebasal plate and metacoxal plate, generates cutting gaps, and the fractionation instrument is moved ahead along sealed portion, join end to end to cutting gaps;
When using the fractionation instrument to separate prebasal plate and metacoxal plate, the plate of will lowering the temperature, division board are inserted in the cutting gaps, and fractionation instrument, cooling plate, division board are moved ahead along sealed portion with 2mm/ minute speed, make prebasal plate and metacoxal plate separate fully.The temperature of plate of wherein lowering the temperature is 410 ℃.
Split effect: after the fractionation, the fractionation surfacing of prebasal plate and metacoxal plate does not have damage through the test metacoxal plate, after coming into operation once more, has no adverse effects.
Plasma panel: 60 inches, damage through detecting metacoxal plate, can't come into operation.
Method for splitting:
Plasma panel is heated to 380 ℃, the fractionation instrument is heated to 500 ℃;
The fractionation instrument is inserted in the heating post plasma display screen in the sealed portion between the prebasal plate and metacoxal plate, generates cutting gaps, and the fractionation instrument is moved ahead along sealed portion, join end to end to cutting gaps;
When using the fractionation instrument to separate prebasal plate and metacoxal plate, the plate of will lowering the temperature, division board are inserted in the cutting gaps, and fractionation instrument, cooling plate, division board are moved ahead along sealed portion with 1.5mm/ minute speed, make prebasal plate and metacoxal plate separate fully.The temperature of plate of wherein lowering the temperature is 380 ℃.
Split effect: after the fractionation, the fractionation surfacing of prebasal plate and metacoxal plate does not have damage through the test prebasal plate, after coming into operation once more, has no adverse effects.
The above is merely the preferred embodiments of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (11)
1. the separation method of prebasal plate and metacoxal plate in the plasma panel is characterized in that, may further comprise the steps:
Heat said plasma panel;
The fractionation instrument is inserted in the said plasma panel in heating back in the sealed portion between the prebasal plate and metacoxal plate, generates cutting gaps, and said fractionation instrument is moved ahead along said sealed portion, join end to end to said cutting gaps;
When using said fractionation instrument to separate said prebasal plate and said metacoxal plate, division board is inserted in the said cutting gaps, said prebasal plate and said metacoxal plate are separated fully.
2. separation method according to claim 1; It is characterized in that; Before said fractionation instrument is inserted into the step of said sealed portion, also comprise the step that heats said fractionation instrument, the heating-up temperature of said fractionation instrument is higher than the heating-up temperature of said plasma panel.
3. separation method according to claim 2 is characterized in that, the heating-up temperature of said plasma panel is 360 ℃～410 ℃, and the temperature of said fractionation instrument is 490 ℃～510 ℃.
4. separation method according to claim 1 is characterized in that, before said division board is inserted into the step in the said cutting gaps, also comprises the step that makes pairing prebasal plate in said cutting gaps both sides and metacoxal plate cooling.
5. separation method according to claim 4 is characterized in that, in the said cooling step, temperature is reduced to 360 ℃～410 ℃.
6. separation method according to claim 4 is characterized in that, said cooling step adopts cooling firm and hard existing, and said fractionation instrument, cooling plate, division board are arranged in regular turn, and move ahead along said sealed portion with 1mm～2mm/ minute speed.
7. the separator of prebasal plate and metacoxal plate in the plasma panel is characterized in that, comprising:
Casing (1);
Installation portion (2) is arranged in the said casing (1), in order to place said plasma panel (8);
Ring-shaped guide rail (3) is arranged in the said casing (1), is surrounded on the periphery of sealed portion between middle prebasal plate of the plasma panel (8) that is placed on the said installation portion (2) and the metacoxal plate;
Fractionation instrument (4) is arranged on the said ring-shaped guide rail (3) movably, and corresponding with said sealed portion position;
Division board (5) is arranged on the said ring-shaped guide rail (3) movably, is positioned at the rear end of said fractionation instrument (4) moving direction, and corresponding with said sealed portion position;
First heating member (6) is installed in the said casing (1), in order to heat said plasma panel.
8. separator according to claim 7 is characterized in that, said fractionation instrument (4) comprising:
Connecting portion (41) links to each other with said ring-shaped guide rail (3);
Split wedge head (43), link to each other, and be yi word pattern wedge grip head away from a side of said connecting portion (41) and stretch out with said connecting portion (41);
Second heating member (45) links to each other with said fractionation wedge head (43), is used to heat said fractionation wedge head.
9. separator according to claim 7 is characterized in that, said division board (5) comprising:
First plate body (51) links to each other with said ring-shaped guide rail (3), comprising:
Upper and lower plate body (511) is processed by heat-insulating material;
Intermediate board body (513) is arranged between the said upper and lower plate body (511), is processed by metal material;
First circulation pipe (53), the S-shaped inside that is arranged on said first plate body (51), and the two ends of said first circulation pipe (53) extend to the outside by the inside of said first plate body (51), and be connected through first compressor (55).
10. separator according to claim 7; It is characterized in that also comprise cooling plate (7), said cooling plate (7) is arranged on the said ring-shaped guide rail (3) movably; Be positioned between said fractionation instrument (4) and the division board (5), and corresponding with said sealed portion position.
11. separator according to claim 10 is characterized in that, said cooling plate (7) comprising:
Second plate body (71) links to each other with said ring-shaped guide rail (3);
Second circulation pipe (73), the S-shaped inside that is arranged on said second plate body (71), and the two ends of said second circulation pipe (73) extend to the outside by the inside of said first plate body (51), and be connected through second compressor (75).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110455693.XA CN102522289B (en) | 2011-12-30 | 2011-12-30 | Method and device for separating front baseplate and back baseplate of plasma display panel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110455693.XA CN102522289B (en) | 2011-12-30 | 2011-12-30 | Method and device for separating front baseplate and back baseplate of plasma display panel |
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| CN102522289A true CN102522289A (en) | 2012-06-27 |
| CN102522289B CN102522289B (en) | 2014-12-17 |
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| CN201110455693.XA Expired - Fee Related CN102522289B (en) | 2011-12-30 | 2011-12-30 | Method and device for separating front baseplate and back baseplate of plasma display panel |
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| CN111069241A (en) * | 2019-12-24 | 2020-04-28 | 深圳大视野志远科技有限公司 | Method for removing silicone adhesive for repairing display screen |
| CN113042737A (en) * | 2021-03-03 | 2021-06-29 | 华中科技大学鄂州工业技术研究院 | Method and device for rapidly dividing 3D printing blank |
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| CN102522289B (en) | 2014-12-17 |
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