CN103230920B - Rubber removing method for retreading remanufacturing of military armored track shoe - Google Patents
Rubber removing method for retreading remanufacturing of military armored track shoe Download PDFInfo
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- CN103230920B CN103230920B CN201310112055.7A CN201310112055A CN103230920B CN 103230920 B CN103230920 B CN 103230920B CN 201310112055 A CN201310112055 A CN 201310112055A CN 103230920 B CN103230920 B CN 103230920B
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- metal plate
- creeper tread
- rubber
- track shoe
- armoring
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- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Processing Of Solid Wastes (AREA)
- Tyre Moulding (AREA)
Abstract
The invention discloses a rubber removing method for retreading remanufacturing of a military armored track shoe. The method comprises the steps of: placing a waste armored track shoe in a constant temperature box to conduct heating at a temperature of 200-300DEG C, and keeping the heating and heat preservation time at 2-3h; and stripping the softened rubber cladding a metal plate. The method provided in the invention has the advantages of simple operation, high efficiency, clean and thorough rubber removal, no influence on a next process, no influence on mechanical properties of the track shoe metal plate, no industrial pollution, and coincidence with national environmental protection requirements. After batch processing, the track shoe metal plate product has stable quality, and three years and thousands of kilometers of actual tests prove that the product is free of cracking softening and wear phenomenon, and meets the requirements of relevant national technologies. Being energy saving and low in cost, the method is suitable for mass production.
Description
[technical field]
The present invention relates to armoring creeper tread renovation recycling field, especially a kind of military armor creeper tread renovates the Degumming method manufactured again.
[background technology]
Armoring creeper tread is combined into by creeper tread metal plate and rubber.Wherein rubber is directly and the working material of earth surface, because it will be suitable for special working environment, has high compression ratio, with the feature such as metal plate fastening adhesion; But rubber has again aging, be full of cracks, the defect such as easy to wear, and therefore armoring crawler belt lost efficacy because of rubber face part wears after a certain period of use time.Through professional technique qualification, wherein crawler belt metal plate (material is potassium steel) is still recycling.Due to the block rubber of armoring crawler belt and the life-span inequality of metal plate, renovate after can coming unstuck to metal plate and manufacture again, there is feasibility.Be proven, a large amount of funds can be saved like this, effectively economize on resources.
The method that existing armoring creeper tread comes unstuck mainly contains following several:
1, burn: this kind of method is the most directly and the most simply removes the method for old glue; But quality is unstable, big for environment pollution, and naked light fires uncontrollable temperature, and the heating degree of every block plate body is inconsistent, and standing the high metal structure of temperature can produce considerable influence, will destroy the structure of metal plate;
2, solvent soaking is adopted: creeper tread is put into machine oil and soaks certain hour, rubber molecular chain can be made to rupture and then be separated with metal plate, but actual effect be immersion after 72 hours rubber surface just start to occur softening separation, but block rubber nexine does not still react, rubber cannot depart from completely with metal plate; Although the method does not change the structure of metal plate, need soak time long, efficiency is too low;
3, by refinery rubber, rubber is separated with metal plate: to insert in incinerator by the rubber of band metal, then 420 DEG C are heated to (if temperature is too low, then rubber carbonization is not thorough), keep furnace high-temperature certain hour to make rubber carbonization, thus rubber and metal plate are departed from; There is following shortcoming in the method: (1) cost that comes unstuck is high; (2) rubber after carbonization has residue to be adsorbed on creeper tread metal plate, removes difficulty; (3) creeper tread could take out after must cooling in stove, causes creeper tread overstand in high temperature furnace; Finally make the structure of creeper tread metal plate change and cause existing mass defect (having phenomenon of bursting apart through test); Batch (4) and batch between creeper tread quality unstable, there is potential safety hazard high.
[summary of the invention]
The object of the invention is to the deficiency existed for the above prior art, provide a kind of and be suitable for that the renovation of armoring creeper tread manufactures productions in enormous quantities again, easy and simple to handle, environmentally safe, rubber are separated with crawler belt metal plate thorough and metallic plate structure can not change, production cost is low, efficiency is high, constant product quality and satisfactory military armor creeper tread renovates the Degumming method manufactured again.
To achieve these goals, the present invention is achieved in that a kind of military armor creeper tread renovates the Degumming method manufactured again, and it step comprised is as follows:
Be placed in insulating box by waste and old armoring creeper tread and heat, the waste and old armoring creeper tread putting into described insulating box is first at 200-250 DEG C of preheating 10-30 minute, then at 250-280 DEG C of constant temperature 30-40 minute, finally at 280-300 DEG C of constant temperature 50-140 minute; The rubber be coated on metal plate after softening is peeled off.
Preferably, put into the waste and old armoring creeper tread of described insulating box first 240 DEG C of preheatings 18 minutes, then 270 DEG C of constant temperature 38 minutes, last 300 DEG C of constant temperature 120 minutes; Rubber layer and metal plate can be made like this when most economical to peel off the most thorough.
In described insulating box, inject heat transfer medium, waste and old armoring creeper tread is placed in heat transfer medium and heats, waste and old armoring creeper tread can be made like this to be heated evenly, increase work efficiency.
Described heat transfer medium preferred water steam, can avoid contaminated environment like this, and can not have a negative impact to the metal structure of metal plate.
Compared with prior art, Advantageous Effects of the present invention is:
1, easy and simple to handle, efficiency is high;
2, rubber is removed clean, thoroughly, can not affect lower operation;
3, the mechanical performance of creeper tread metal plate is not affected;
4, without industrial pollution, national environmental protection requirement is met;
5, the creeper tread metal plate constant product quality after batch processed, through reaching the actual tests of thousands of kilometers checking in 3 years, without softening and the phenomenon easy to wear of bursting apart, product meets national associated specifications;
6, energy-conservation, cost is low, is applicable to produce in enormous quantities.
[detailed description of the invention]
Below in conjunction with specific embodiment, explanation is described in detail to the present invention.
Armoring creeper tread is made up of metal plate and the rubber layer covering described metal plate surface.The present invention takes into full account and utilizes former crawler belt metallic plate (material is potassium steel) with the special adhesion chemical characteristic of rubber adhesion: rubber Heat vulcanization adhesive is a kind of enhancing sheet metal and the indispensable intermediate medium of rubber adhesion, its operating ambient temperature requires between-50-200 DEG C, according to the threshold variations temperature (adhesive 200 DEG C of adhesive and potassium steel, 400 DEG C, potassium steel), adopt the Degumming method that following renovation manufactures again.
Military armor creeper tread renovates the Degumming method manufactured again, and it step comprised is as follows:
Waste and old armoring creeper tread is decomposed by construction module, then the module after decomposition is evenly placed in insulating box and toasts, baking temperature controls at 200-300 DEG C, make it to be heated evenly, baking and thermal insulation time 2-3 hour, make the adhesive of rubber layer ineffective in the environment of the critical-temperature (200 DEG C) higher than its upper limit, rubber layer heating after-tack, then the rubber layer be coated on metal plate after softening is peeled off fast, creeper tread metal plate is still in the critical-temperature interior (400 DEG C) of its upper limit simultaneously, therefore structure can not change.
Old rubber layer from the waste and old armoring creeper tread that insulating box takes out and metal plate adhesion obviously reduce, strippable sign is obvious, places it on workbench, old rubber layer is pried open and can realize separation from metal plate with instrument, and peel off thoroughly, metal plate remained on surface is few.
Concrete, the waste and old armoring creeper tread putting into described insulating box is first at 200-250 DEG C of preheating 10-30 minute, then at 250-280 DEG C of constant temperature 30-40 minute, finally at 280-300 DEG C of constant temperature 50-140 minute.By the mode of heating of above-mentioned gradient type temperature, rubber layer can be made to be heated more reasonable, make rubber layer and metal plate adhesion step by step destroyed, be conducive to peeling off, and be conducive to economize energy and shortening heat time.
More excellent, put into the waste and old armoring creeper tread of described insulating box first 230 DEG C of preheatings 15 minutes, then 270 DEG C of constant temperature 35 minutes, last 300 DEG C of constant temperature 130 minutes.Rubber layer and metal plate can be made like this to peel off the most thorough.
Optimum, put into the waste and old armoring creeper tread of described insulating box first 240 DEG C of preheatings 18 minutes, then 270 DEG C of constant temperature 38 minutes, last 300 DEG C of constant temperature 120 minutes; Rubber layer and metal plate can be made like this when most economical to peel off the most thorough.
In order to make to be heated evenly, in described insulating box, injecting heat transfer medium, waste and old armoring creeper tread being placed in heat transfer medium and heating.The preferred distilled water of described heat transfer medium, can avoid contaminated environment like this, and can not have a negative impact to the metal structure of metal plate.In addition, described heat transfer medium also can boiling point higher than the organic solvent of 300 DEG C, be soaked in the organic solvent after heating after described waste and old armoring creeper tread is split by module and carry out immersion treatment, old rubber layer is heated properly fast, improve thermal efficiency.
Preferably, process with ultrasonic wave while the waste and old armoring creeper tread putting into described insulating box heats, wherein, described hyperacoustic frequency is 32-60KHz.Under hyperacoustic effect, effectively can promote that between rubber layer and metal plate, adhesion lost efficacy, and shortened the heat time.
Preferably, the waste and old armoring creeper tread putting into described insulating box, first at 200-250 DEG C of preheating 10-30 minute, processes with the ultrasonic wave that frequency is 32-40KHz; Then at 250-280 DEG C of constant temperature 30-40 minute, process with the ultrasonic wave that frequency is 40-50KHz; Last at 280-300 DEG C of constant temperature 50-140 minute, process with the ultrasonic wave that frequency is 50-60KHz.
Most preferred, the waste and old armoring creeper tread putting into described insulating box, first 220 DEG C of preheatings 12 minutes, processes with the ultrasonic wave that frequency is 36KHz; Then 260 DEG C of constant temperature 33 minutes, process with the ultrasonic wave that frequency is 48KHz; Finally 290 DEG C of constant temperature 90 minutes, process with the ultrasonic wave that frequency is 56KHz.Rubber layer under suitable temperature and hyperacoustic effect, can realize fast the short time metal plate peel off, can effectively economize energy with raise the efficiency.
More than describe preferred embodiment of the present invention in detail, should be appreciated that the ordinary skill of this area just design according to the present invention can make many modifications and variations without the need to creative work.Therefore, all technical staff in the art according to the present invention's design on prior art basis by logic analysis, reasoning or according to the available technical scheme of limited experiment, all should by among the determined protection domain of these claims.
Claims (4)
1. a military armor creeper tread renovates the Degumming method manufactured again, it is characterized in that, it step comprised is as follows: be placed in insulating box by waste and old armoring creeper tread and heat, first at 200-250 DEG C of preheating 10-30 minute, then at 250-280 DEG C of constant temperature 30-40 minute, finally at 280-300 DEG C of constant temperature 50-140 minute; The rubber be coated on metal plate after softening is peeled off.
2. renovate according to a kind of military armor creeper tread according to claim 1 the Degumming method manufactured again, it is characterized in that, put into the waste and old armoring creeper tread of described insulating box first 240 DEG C of preheatings 18 minutes, then 270 DEG C of constant temperature 38 minutes, last 300 DEG C of constant temperature 120 minutes.
3. renovate according to a kind of military armor creeper tread according to claim 2 the Degumming method manufactured again, it is characterized in that, in described insulating box, inject heat transfer medium, waste and old armoring creeper tread is placed in heat transfer medium and heats.
4. renovate according to a kind of military armor creeper tread according to claim 3 the Degumming method manufactured again, it is characterized in that, described heat transfer medium is steam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310112055.7A CN103230920B (en) | 2013-04-01 | 2013-04-01 | Rubber removing method for retreading remanufacturing of military armored track shoe |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310112055.7A CN103230920B (en) | 2013-04-01 | 2013-04-01 | Rubber removing method for retreading remanufacturing of military armored track shoe |
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| CN103230920A CN103230920A (en) | 2013-08-07 |
| CN103230920B true CN103230920B (en) | 2015-05-20 |
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| CN201310112055.7A Active CN103230920B (en) | 2013-04-01 | 2013-04-01 | Rubber removing method for retreading remanufacturing of military armored track shoe |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112496000B (en) * | 2020-11-19 | 2022-04-19 | 山东北方现代化学工业有限公司 | Resource recycling method of composite armor plate leftovers |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3663438B2 (en) * | 2002-03-11 | 2005-06-22 | 独立行政法人産業技術総合研究所 | Separation method and apparatus of composite member made of resin or rubber and metal |
| CN102115542A (en) * | 2010-12-20 | 2011-07-06 | 洛阳双瑞橡塑科技有限公司 | Method for adhering vulcanized rubber to metal |
| CN102580984A (en) * | 2012-03-14 | 2012-07-18 | 邢台市厚德科技开发有限责任公司 | Nondestructive stripping method for metal-rubber composite product |
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2013
- 2013-04-01 CN CN201310112055.7A patent/CN103230920B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3663438B2 (en) * | 2002-03-11 | 2005-06-22 | 独立行政法人産業技術総合研究所 | Separation method and apparatus of composite member made of resin or rubber and metal |
| CN102115542A (en) * | 2010-12-20 | 2011-07-06 | 洛阳双瑞橡塑科技有限公司 | Method for adhering vulcanized rubber to metal |
| CN102580984A (en) * | 2012-03-14 | 2012-07-18 | 邢台市厚德科技开发有限责任公司 | Nondestructive stripping method for metal-rubber composite product |
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| CN103230920A (en) | 2013-08-07 |
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