CN101497225B - Method for preparing embedded nut type ultra-high molecular weight polyethylene board - Google Patents
Method for preparing embedded nut type ultra-high molecular weight polyethylene board Download PDFInfo
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- CN101497225B CN101497225B CN2008102463318A CN200810246331A CN101497225B CN 101497225 B CN101497225 B CN 101497225B CN 2008102463318 A CN2008102463318 A CN 2008102463318A CN 200810246331 A CN200810246331 A CN 200810246331A CN 101497225 B CN101497225 B CN 101497225B
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Abstract
The invention puts forward a method for preparing an ultrahigh molecular weight polyethylene plates embedded with a nut. The method is characterized in that the nut and a washer are fixed by use of a bolt through a central hole; after the nut is brazed with the washer along the outer edge of the nut, the nut is arranged on a prefabricated ultrahigh molecular weight polyethylene base plate; and the base plate is put into a hot-pressing molding die, added with ultrahigh molecular weight polyethylene powder, thermally insulated for 1 hour under the pressure between 15 and 30 MPa at a temperatureof between 185 and 200 DEG C, and then is naturally cooled. After the plate is provided with the bolt, the plate can be fixed on a mechanical device, a concrete structure and other parts in need of wear-resistant protection, and is reliable in the bonding strength to a matrix.
Description
Technical field
The present invention relates to the preparation method of superhigh molecular weight polyethylene material abrasion-proof backing block, particularly a kind of preparation method of embedded nut type ultra-high molecular weight polyethylene board.
Background technology
Ultra-high molecular weight polyethylene is the very excellent model engineering plastic of a kind of performance, and its molecular weight is generally more than 1,500,000.It has fabulous mar proof, and particularly its anti-silt erosive wear performance is higher than steel; Its impact strength occupies first of the various plastics; It has very low coefficient of friction, minimum water absorption rate and superior corrosion resistance.Based on these advantages, superhigh molecular weight polyethylene material is widely used as the liner plate and the pad of wear-resisting, shock-resistant, corrosion-resistant or low friction in fields such as mining, weaving, machinery, chemical industry, for example, as the feed bin liner, fender panel of cargo hold liner, inner liner of reaction kettle, harbour and water channel or the like.But, almost can't bond again, so the problem that structural materials such as ubiquity and iron and steel, armored concrete are connected and installed in engineering is used because its structural strength is not high enough.Perforation formula machinery is installed the overall wear resistance of often having destroyed its liner plate, simultaneously, because the wearability of metal fastenings is lower, and is easy to corrosion, has reduced the dependability of its liner plate; Back drill is during with the direct securing member of metal bolts, and is easily deformable loosening because its strength of materials is lower, so that reliable installation capability can't be provided, and causes coming off; Adopt the draw-in groove structure to connect, though more firm, machining amount is big, and consume material is many, the cost height.The defective that is connected with other material has hindered the expansion of superhigh molecular weight polyethylene material application.Therefore, design a kind of can firmly the connection with structural materials such as iron and steel, concrete, machining amount is little, and consume material is few, and the ultra-high molecular weight polyethylene board preparation method that cost is low is the ten minutes needs.
Summary of the invention
For adapting to the demand of above technical development, the present invention proposes a kind of preparation method of embedded nut type ultra-high molecular weight polyethylene board, it is characterized in that by centre bore nut and stainless steel gasket bolting, the diameter of stainless steel gasket equals the external diameter of nut thread, after nut outer rim and stainless steel gasket soldering, remove set bolt, be installed on the prefabricated ultra-high molecular weight polyethylene base plate, the thickness of this base plate is identical with the height of nut, the aperture of holing on this base plate is through equaling the across flats of nut, put into heat pressing and molding mold, add ultrahigh molecular weight polyethylene powder, at 15～30MPa pressure, 185～200 ℃ of temperature, be incubated after 1 hour, naturally cooling.
Described ultra-high molecular weight polyethylene board is dull and stereotyped.
Described ultra-high molecular weight polyethylene molecular weight is 1,500,000～5,000,000.
Described embedded nut is a hexagon, and material can be carbon steel or the stainless steel through antirust processing.
The manufacture method of above-mentioned embedded nut type ultra-high molecular weight polyethylene board may further comprise the steps:
1) be ready to the hexagonal metal nut, its model determines according to desired ultra-high molecular weight polyethylene board shearing strength and fixing point quantity, generally with M10～M16 for well;
2) the square stainless steel substrates of a band of processing centre bore is as pad, spacer thickness size range 2～4mm (thickness and practical nut size according to ultra-high molecular weight polyethylene board are suitably adjusted), the pad length of side is 30～50mm, and the pad center-hole diameter equals or is slightly larger than the hex nut major diameter of thread;
3) nut and the step of step 1) being prepared with bolt 2) pad of preparing is fixed by centre bore, along nut outer rim and the welding of pad joint, removes set bolt with soldering, has just obtained embedded nut;
4) be ready to the ultra-high molecular weight polyethylene base plate, base plate thickness is identical with the height of the nut that step 1) is prepared;
5) on the ultra-high molecular weight polyethylene base plate that step 4) is prepared, to hole on base plate according to the position of plan construction bolt, pore size equals the hex nut across flats;
6) the embedded nut with the step 3) preparation is pressed in the ultra-high molecular weight polyethylene base plate hole of step 5) preparation;
7) be ready to ultrahigh molecular weight polyethylene powder, its molecular weight is 1,500,000～5,000,000, and particle diameter is 50～100 orders;
8) the ultra-high molecular weight polyethylene base plate with embedded nut of step 6) preparation is put into heat pressing and molding mold, add the interpolation ultrahigh molecular weight polyethylene powder that step 7) is prepared, the molded technological parameter of typical heat is 15～30MPa pressure, 185～200 ℃ of temperature, be incubated 1 hour, stop insulation, cooling has promptly obtained embedded nut type ultra-high molecular weight polyethylene board naturally.
The installation method of the embedded nut type ultra-high molecular weight polyethylene board made from said method is characterized in that taking any one following step:
1) when needs are connected above-mentioned embedded nut type ultra-high molecular weight polyethylene board with steel construction, on structural member, punches, just can realize easily connecting and fixing with suitable bolt.
2) when needs are connected above-mentioned embedded nut type ultra-high molecular weight polyethylene board with armored concrete, earlier suitable metal bolts is screwed on the embedded nut type ultra-high molecular weight polyethylene board, tighten up; Embedded nut type ultra-high molecular weight polyethylene board is placed on the unconsolidated armored concrete, the two is fitted tightly, bolt is embedded in the uncured concrete material, treat concrete curing after, ultra-high molecular weight polyethylene board just closely is connected with reinforced concrete structure.
The present invention has following characteristics
1) described embedded nut type ultra-high molecular weight polyethylene board is simple in structure but can reliably be connected in simple and mechanical mode with the structure of other material well, and application surface still is complete superhigh molecular weight polyethylene material simultaneously, and is simple and practical;
2) in the forming process the same, directly imbed embedded nut, do not need by later stage machining with common ultra-high molecular weight polyethylene board.Therefore, the present invention can save cost;
3) can be processed into standard size sheet material,, thereby use wide then when mounted by suitably piecing the use of satisfying most occasions together.
Description of drawings
Fig. 1 is the cutaway view of patent working example 1 of the present invention,
Fig. 2 is the cutaway view of the square stainless steel substrates of band centre bore,
Fig. 3 is the cutaway view that stainless steel gasket is connected with nut,
Fig. 4 is the cutaway view of the ultra-high molecular weight polyethylene base plate of boring,
Fig. 5 is pressed into the cutaway view of ultra-high molecular weight polyethylene base plate for embedded nut,
Fig. 6 is the cutaway view of the ultra-high molecular weight polyethylene board behind the interpolation ultrahigh molecular weight polyethylene powder,
Fig. 7 is the cutaway view of embedded nut type ultra-high molecular weight polyethylene board,
1-ultra-high molecular weight polyethylene liner plate, the 2-stainless steel gasket, the 3-embedded nut, the 4-set bolt, the 5-concrete,
The 6-soldering point, 7-circular hole, 8-ultra-high molecular weight polyethylene base plate, 9-ultrahigh molecular weight polyethylene powder.
The specific embodiment
Further specify patent of the present invention below in conjunction with accompanying drawing.
Embodiment 1:
As shown in Figure 1, embedded nut type ultra-high molecular weight polyethylene board, it comprises ultra-high molecular weight polyethylene liner plate 1, is embedded in wherein stainless steel gasket 2, embedded nut 3, set bolt 4 and concrete 5 in advance.
Described ultra-high molecular weight polyethylene base plate 8 is 4,000,000 by molecular weight, and granularity 80 purpose ultra-high molecular weight polyethylene raw materials are made.
Described embedded nut is a hexagon stainless steel nut 3, and model is M12.
Described stainless steel gasket 2 is of a size of 40 * 40 * 3mm.
Described set bolt 4 models are M12 * 80mm
The manufacture method of above embedded nut type ultra-high molecular weight polyethylene board may further comprise the steps:
1) be ready to stainless steel hex nut 3, model is M12, and nut 3 across flats are 21.9mm, and nut 3 highly is 10mm;
2) the square stainless steel substrates of a band of processing centre bore is as pad 2, and as shown in Figure 2, pad 2 gauges are 3mm, and the pad length of side is 40mm, and pad 2 center-hole diameters equal or are slightly larger than hex nut 3 major diameter of threads;
3) pad nut and the step of step 1) being prepared with bolt 2) prepared 2 is fixed by centre bore, welds along nut 3 outer rims and pad 2 joints 6 with soldering, and the removal set bolt obtains embedded nut, as shown in Figure 3;
4) be ready to ultra-high molecular weight polyethylene base plate 8, base plate 8 thickness are identical with the height of the nut 3 that step 1) is prepared, and are 10mm;
5) on the ultra-high molecular weight polyethylene base plate 8 that step 4) is prepared, on base plate 8, hole 7 according to the position of plan construction bolt, pore size equals nut 3 across flats, as shown in Figure 4;
6) the embedded nut with the step 3) preparation is pressed in ultra-high molecular weight polyethylene base plate 8 circular holes 7 of step 5) preparation, as shown in Figure 5;
7) be ready to ultrahigh molecular weight polyethylene powder 9, its molecular weight is 4,000,000, and particle diameter is 60～80 orders;
8) the ultra-high molecular weight polyethylene base plate 8 with embedded nut of step 6) preparation is put into heat pressing and molding mold, add the interpolation ultrahigh molecular weight polyethylene powder 9 that step 7) is prepared, as shown in Figure 6, the molded technological parameter of typical heat is a 30MPa pressure, and 200 ℃ of temperature are incubated 1 hour, stop insulation, naturally cooling promptly obtains embedded nut type ultra-high molecular weight polyethylene board, as shown in Figure 7.
It is as follows that the ultra-high molecular weight polyethylene liner plate 1 of said method manufacturing is installed to concrete 5 superstructure methods: as shown in Figure 1; at the auxilliary earlier concrete of putting of concrete 5 body structure surfaces that need protection; thickness is 70mm greater than L; the set bolt 4 of M12 * 80mm is screwed in the embedded nut 3; tighten up; embedded nut type ultra-high molecular weight polyethylene board is embedded into concrete surface; set bolt 4 inserts in the concrete 5 simultaneously; knock or vibrate on liner plate 1 surface itself and concrete surface are fitted fully; behind the concrete curing; liner plate promptly is fixed on concrete structural surface; realize embedded nut type ultra-high molecular weight polyethylene board and concrete tight the connection, played the wear-resistant protection effect.
With embodiment 1 basically identical, difference is the embedded nut type ultra-high molecular weight polyethylene board of manufacturing is installed on the steel construction, used embedded hex nut 3, model: M16, be of a size of: nut height H=13mm, nut across flats D=27.7mm, the embedded nut type ultra-high molecular weight polyethylene board 8 thickness H of manufacturing are 13mm.Its step is as follows: the bolt 4 of M16 * 80 is installed on the embedded nut type ultra-high molecular weight polyethylene board 8 of manufacturing, is tightened up; Steel Plate Guide Drill M16 * 75 screw-threaded counterbore in the needs protection; The one side that above-mentioned liner plate 1 is had bolt 4 screws in bolt 4 in the steel constructions towards steel construction, knocks on liner plate 1 surface to make itself and the applying of steel construction surface.Realized that ultra-high molecular weight polyethylene liner plate 1 is connected with steel construction piece, and guaranteed do not have metalwork to be exposed to the liner plate surface.
Claims (5)
1. the preparation method of an embedded nut type ultra-high molecular weight polyethylene board, it is characterized in that by centre bore nut and stainless steel gasket bolting, the diameter of stainless steel gasket equals the external diameter of nut thread, after nut outer rim and stainless steel gasket soldering, be installed on the prefabricated ultra-high molecular weight polyethylene base plate, the thickness of this base plate is identical with the height of nut, the aperture of holing on this base plate equals the across flats of nut, remove set bolt, put into heat pressing and molding mold, add ultrahigh molecular weight polyethylene powder, at 15～30MPa pressure, 185～200 ℃ of temperature were incubated after 1 hour, naturally cooling.
2. the preparation method who meets a kind of embedded nut type ultra-high molecular weight polyethylene board of claim 1 is characterized in that used embedded nut is a hexagon, and material is carbon steel, stainless steel through antirust processing, and specification is M10～M16.
3. the preparation method who meets a kind of embedded nut type ultra-high molecular weight polyethylene board of claim 1, it is characterized in that used ultra-high molecular weight polyethylene base plate has the circular hole that diameter equates with the embedded nut across flats, the thickness of base plate equates with the embedded nut height.
4. the preparation method who meets a kind of embedded nut type ultra-high molecular weight polyethylene board of claim 1, it is characterized in that described pad is the square stainless steel substrates of a band centre bore, its thickness is 2～4mm, and the pad length of side is 30～50mm, and its center-hole diameter equals the hex nut major diameter of thread.
5. the preparation method who meets a kind of embedded nut type ultra-high molecular weight polyethylene board of claim 1 is characterized in that taking any one following step to install:
1) on steel construction piece, punches, with bolt connection and fixing;
2) metal bolts is screwed into embedded nut type ultra-high molecular weight polyethylene board, tightens up; Embedded nut type ultra-high molecular weight polyethylene board is placed on the unconsolidated armored concrete, fitted tightly, bury bolt and go into concrete material, treat concrete curing.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2008102463318A CN101497225B (en) | 2008-12-31 | 2008-12-31 | Method for preparing embedded nut type ultra-high molecular weight polyethylene board |
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| CN2008102463318A CN101497225B (en) | 2008-12-31 | 2008-12-31 | Method for preparing embedded nut type ultra-high molecular weight polyethylene board |
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| CN101497225B true CN101497225B (en) | 2011-02-09 |
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| CN102294289A (en) * | 2011-06-23 | 2011-12-28 | 安徽省三方耐磨股份有限公司 | Ball mill scaleboard and manufacture method thereof |
| CN103286856A (en) * | 2013-06-07 | 2013-09-11 | 上海友德实业有限公司 | Lining plate and concrete mixing equipment and manufacturing method of lining plate |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2291293Y (en) * | 1996-12-30 | 1998-09-16 | 宜兴市张泽化工设备厂 | Composite wear board |
| CN2589063Y (en) * | 2002-12-24 | 2003-12-03 | 陈定 | Mounting structure of large casing protective lining |
| CN101190586A (en) * | 2006-11-20 | 2008-06-04 | 赵建军 | Abrasion-proof backing block and vulcanizing preparation technique thereof |
| CN101219586A (en) * | 2008-01-22 | 2008-07-16 | 刘村 | Impact-resistant abrasion-proof lining board |
-
2008
- 2008-12-31 CN CN2008102463318A patent/CN101497225B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2291293Y (en) * | 1996-12-30 | 1998-09-16 | 宜兴市张泽化工设备厂 | Composite wear board |
| CN2589063Y (en) * | 2002-12-24 | 2003-12-03 | 陈定 | Mounting structure of large casing protective lining |
| CN101190586A (en) * | 2006-11-20 | 2008-06-04 | 赵建军 | Abrasion-proof backing block and vulcanizing preparation technique thereof |
| CN101219586A (en) * | 2008-01-22 | 2008-07-16 | 刘村 | Impact-resistant abrasion-proof lining board |
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