CN1124193A - Fusion welding method for polyvinyl plate and its equipment - Google Patents
Fusion welding method for polyvinyl plate and its equipment Download PDFInfo
- Publication number
- CN1124193A CN1124193A CN 94114022 CN94114022A CN1124193A CN 1124193 A CN1124193 A CN 1124193A CN 94114022 CN94114022 CN 94114022 CN 94114022 A CN94114022 A CN 94114022A CN 1124193 A CN1124193 A CN 1124193A
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- roller
- plate
- electric boiling
- joint
- fusion splicing
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Abstract
It provided an electric heating and pressing method for melt-connecting polyethylene plate material. The plate material is heated electrically at its conecting part, then is pressed to adhere together. If a layer of resistive net is placed at the connecting surface, it is directly supplied with electric current, after melting, pressing the molten material and leaving the net inlay in the adhering layer. A strengthened connection can be obtained.
Description
The present invention relates to the interconnection technique of plastics, refer to the method for attachment and the special-purpose fusion splicing devices thereof of polyethylenes plate, sheet material especially.
Be the corrosion of the pile that prevents harbour, offshore oil field, building, the burn into electric leakage of oil transportation, water, feed channel and electric power, electrical conduits is preferably in pile or pipeline appearance parcel one deck organic material.Because polythene material has its good thermoplasticity, so vinyon or polyethylene rubber-plastics material are the selection of materials preferably at present.But, because polythene material does not have appropriate solvent, and its fusing point is higher, general plastically welding method as methods such as Plastic Welding or solvent weldings, can't make it obtain firm connection at present, therefore, the mechanical connection method of the employing ferrule structure that has in the prior art promptly is made into integration a profile earlier at the two ends of polyethylene board, with an arc elastic metallic fastener two ends is buckled then.Polyethylene is moulded the so method of attachment of (or rubber and plastic) sheet material, its bonding strength is not high, the metal fastener very easily corrodes the damage ring, be that more there is the slit in the joint, can't avoid leaking, electric leakage, gas leak phenomenon, the connection that therefore so method of attachment can not be used under water, engineering such as mud layer or long-distance transmission pipeline polyethylene are moulded (rubber and plastic) material integument.
The invention provides a kind of polyethylene kind and mould method of attachment of (rubber and plastic) sheet material and used fusion splicing devices; making its seam of member that connects moulding is sealed construction; and have a structural strength identical with the sheet material body; after the vinyon of this moulding (or rubber and plastic) member is coated on the appearance of structural elements, can protect structural elements to avoid the erosion of extraneous water, gas and other Korrosionsmedium firmly, chronically.
The inventive method that realizes above-mentioned purpose is a kind of electrical heating pressurization burning-on method, the joint of promptly moulding (rubber and plastic) sheet material at polyethylene makes the contact top layer heat fused of joint earlier with electrothermal way, the molten molten joint in contact top layer is exerted pressure thereupon, the two ends that the two boards material links into an integrated entity or is rolled into the sheet material of cylindrical shell are bonded into one.
For realizing the inventive method, the invention provides a kind of roller fusion splicing devices, it includes upper and lower a pair of roller, upper and lower a pair of pressing plate and an electric boiling plate; In a pair of roller, one of upper roller end is installed in the end of the long single-arm shift bracket of hinge on roller plate with its rotating shaft rotation, the rotating shaft of the other end is provided with handle, lower roller is installed on the bracing frame of being located on the roller plate with the two ends rotation of its rotating shaft, and being provided with a rhizosphere with relative end that upper roller is installed long single-arm shift bracket end to be located at long single-arm shift bracket on the roller plate (be that each roller is provided with long-armed support at the one end, long-armed of one of them roller is erected at left end, long-armed of another roller is erected at right-hand member), on, lower platen is connected on two long single-arm shift brackets, and electric boiling plate is arranged on, between the lower platen.Because two rollers of this fusion splicing devices all have only an end that support is housed, therefore polyethylene board can put in from the device both sides easily, and making the limit, two opposite sides overlap-like and be crushed between upper and lower two block pressur plates, electric boiling plate is clipped in the centre of two polyethylene boards again.At electric boiling plate energising heating polyethylene board and after making its top layer reach molten molten state, make it seam be compressed bonding again by a pair of roller.
Advantage of the present invention is because electrical heating can obtain higher temperature, to reach the melting temperature of polythene material, simultaneously, to the contact top layer pressurization of molten molten shape, can impel the molecule of two interlayers to interpenetrate and realize reorganization, reach the purpose that two-layer sheet material fuses.
Description of drawings:
Fig. 1 is the forward schematic diagram of fusion splicing devices of the present invention;
Fig. 2 is the vertical view of Fig. 1.
Below in conjunction with embodiment the present invention is further described.
Embodiment 1:
The present invention adopts and to comprise the steps that the welding polyethylene moulds (rubber and plastic) plate:
(1), cutting and stretching are moulded (or rubber and plastic) sheet material wide to setting (length) degree through the polyethylene of crosslinkedization;
(2), one of two boards material side (or dual-side of a sheet material) is inserted from the fusion splicing devices both sides respectively, and make its superimposed overlap joint;
(3), an electric boiling plate is set between the levels of lap joint, and compresses with pressing plate simultaneously at the upper and lower surface of lap joint;
(4), electric boiling plate is implemented energising, when the polythene material top layer reaches molten molten state, fusion splicing devices is rolled along the seam length direction forward, the pressure roller is spreading seam thereupon then, till the contact surface layer of polyethylene board joint bonds the jail.
Embodiment 2:
One of the present invention embodiment preferably is, the high resistance silk screen of corresponding with joint wide (or long) degree is set between the levels of lap joint, and to heating wire Netcom.Other step is the same with embodiment 1, comprising:
(1), cutting and stretching are moulded (or rubber and plastic) sheet material wide to setting (length) degree through the polyethylene of crosslinkedization;
(2), a side of two boards material (or dual-side of a sheet material) is inserted from the both sides of fusion splicing devices respectively, and make its superimposed overlap joint;
(3), the high resistance silk screen of one corresponding with joint wide (length) degree is set between the levels of lap joint, and compresses with pressing plate simultaneously at the upper and lower surface of lap joint;
(4), to heating wire Netcom electricity, when the polythene material top layer is heated to molten molten state, fusion splicing devices is rolled forward along the seam length direction, the pressure roller is spreading seam thereupon then, till the contact surface layer of polyethylene board joint bonds the jail.
Because cancellated high resistance silk screen is entrenched between polythene material after molten molten, promptly molten up and down molten shaped polyethylene interpenetrates bonding by mesh with the seam of the method welding, and twine then becomes a reinforcement, so the bonding strength of joint is stronger
Fusion splicing devices of the present invention as shown in Figure 1 and Figure 2.See that by figure this device embodiment has upper and lower two rollers 1 and 9.The front end of the rotating shaft of upper roller 1 is rotatably connected with long single-arm shift bracket 3, and the other end of this support 3 is hinged on front wheel frame 6, and a handle 11 is housed in the rotating shaft of upper roller 1 rear end.Operating grip 11 can make upper roller 1 do upper and lower displacement and pressurization; The rear end of the rotating shaft of lower roller 9 is connected with a long single-arm shift bracket 8, and the other end of this support is connected on the front wheel support 6, lower roller 9 again with its two ends shaft seating on the rear roller support, then whole device rolls before and after can doing and moves.See by figure that respectively be installed with a block pressur plate 4,7 on the two long single-arm shift brackets 3, both are oppositely arranged; Electric boiling plate 5 is arranged on the centre of this two pressing plate 4,7.2 is motor frame among the figure, can set up a motor and reducing gear on it, to drive the roller motion.When this device used, operating grip lifted upper roller, two polyethylene boards that need to engage is inserted from the device both sides respectively, and its relative dual-side is overlapped, and electric boiling plate is clipped in two and overlaps in the middle of the seam, upper and lowerly pushed down with pressing plate.After the electric boiling plate energising, electric boiling plate heating sheet material is in contact with it part, when treating to molten molten state, controlling roller rolls, make two rollers clamp sheet material, roller rolls forward gradually along sheet material seam length direction, and electric boiling plate is continuously to heating of sheet material seam and the continuous spreading seam of roller, after the whole seam length of sheet material is all by roller, the two boards material be close and firm be bonded in one.
As adopt above method be fused into polyethylene jacket simplified after, it is nested with than its smaller member in appearance, and suitably heating, polyethylene mould that (or rubber and plastic) sleeve shrinks at once and lock ring on member.Also can make of the method as polythene material building elements such as roof boarding, wall, floors.
Claims (3)
1, a kind of welding process of polyvinyl plate is characterized in that:
(1) cutting and stretching are moulded (or rubber and plastic) sheet material wide to setting (or long) degree through the polyethylene of crosslinkedization;
(2) one of two boards material side (or dual-side of a sheet material) is inserted from the fusion splicing devices both sides respectively, and make its superimposed overlap joint;
(3) electric boiling plate is set between the levels of lap joint, and compresses with pressing plate at the upper and lower surface of lap joint;
(4) electric boiling plate is implemented energising, when the polythene material top layer reaches molten molten state, fusion splicing devices is rolled forward along the seam length direction move, the pressure roller is spreading seam thereupon then, till the contact surface layer of polyethylene board bonds the jail.
2, according to the described welding process of claim 1, it is characterized in that between the levels of lap joint, being provided with the high resistance silk screen of one corresponding with joint wide (length) degree, and to heating wire Netcom.
3, used roller fusion splicing devices in a kind of welding process according to claim 1 is characterized in that including up and down a pair of roller (1,9), an a pair of pressing plate (4,7) and an electric boiling plate (5) up and down; In a pair of roller, one of upper roller (1) end rotates the end that is installed in the long single-arm shift bracket (3) of hinge on roller plate (6) with its rotating shaft, and the rotating shaft of the other end is provided with handle (11); Lower roller (9) is installed on the bracing frame of being located on the roller plate (10) with the two ends rotation of its rotating shaft, and is provided with a long single-arm shift bracket (8) that is installed on the roller plate (6) in the relative end with long single-arm shift bracket 3 ends of upper roller (9) installation; Last lower platen (4,7) is installed in respectively on two long single-arm shift brackets (3,8), and electric boiling plate (5) is positioned between the lower platen (4,7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN94114022A CN1049623C (en) | 1994-12-06 | 1994-12-06 | Fusion welding method for polyvinyl plate and its equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN94114022A CN1049623C (en) | 1994-12-06 | 1994-12-06 | Fusion welding method for polyvinyl plate and its equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1124193A true CN1124193A (en) | 1996-06-12 |
| CN1049623C CN1049623C (en) | 2000-02-23 |
Family
ID=5036978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN94114022A Expired - Fee Related CN1049623C (en) | 1994-12-06 | 1994-12-06 | Fusion welding method for polyvinyl plate and its equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1049623C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100355552C (en) * | 2004-03-22 | 2007-12-19 | 柯曾平 | Plastic container welding and sealing method |
| CN104228059A (en) * | 2014-09-17 | 2014-12-24 | 西安交通大学 | Thermosetting polymer matrix composite resistance welding device and method |
| CN104676142A (en) * | 2015-02-03 | 2015-06-03 | 戴爱清 | Pipeline with inner rib winding structure wall reinforced by polypropylene framework and manufacturing method of pipeline |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2097739U (en) * | 1991-08-14 | 1992-03-04 | 启盟工业股份有限公司 | Frothing body sweat soldering machine |
| US5306383A (en) * | 1992-10-30 | 1994-04-26 | Signode Corporation | Method and apparatus for producing a welded joint in thermoplastic strap with differential pressure |
| TW280812B (en) * | 1993-07-02 | 1996-07-11 | Bayer Ag |
-
1994
- 1994-12-06 CN CN94114022A patent/CN1049623C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100355552C (en) * | 2004-03-22 | 2007-12-19 | 柯曾平 | Plastic container welding and sealing method |
| CN104228059A (en) * | 2014-09-17 | 2014-12-24 | 西安交通大学 | Thermosetting polymer matrix composite resistance welding device and method |
| CN104676142A (en) * | 2015-02-03 | 2015-06-03 | 戴爱清 | Pipeline with inner rib winding structure wall reinforced by polypropylene framework and manufacturing method of pipeline |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1049623C (en) | 2000-02-23 |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |