CN1049623C - Fusion welding method for polyvinyl plate and its equipment - Google Patents
Fusion welding method for polyvinyl plate and its equipment Download PDFInfo
- Publication number
- CN1049623C CN1049623C CN94114022A CN94114022A CN1049623C CN 1049623 C CN1049623 C CN 1049623C CN 94114022 A CN94114022 A CN 94114022A CN 94114022 A CN94114022 A CN 94114022A CN 1049623 C CN1049623 C CN 1049623C
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- roller
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Abstract
The present invention relates to a welding method and a device thereof for connecting polyethylene plates and sheets. Because polyethylene materials do not have appropriate solvent and the melting point is high, polyethylene materials can not be connected in general connection methods of solvent bonding or plastic welding, etc. The electric heating pressurizing welding method can reach the goal that polyethylene plates can be connected firmly. Firstly, joints contact a surface layer at joints of plates in an electrothermal method for heating and fusing mainly, joints are pressurized subsequently, and the molecules are mutually permeated and recombined to be bonded into a whole. If a layer of wire mesh with high resistance is arranged on the contact surface of joints, electricity is directly used for heating, pressurization is carried out after surface layers of materials are melted by heating, the wire mesh is inlaid in a bonding layer, and joints have strong connection strength.
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 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 very easily corrosion of metal fastener, 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 welding process and device thereof of polyvinyl plate; 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 member of this moulding 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 heat welded method, promptly make the contact top layer heat fused of joint earlier with electrothermal way in the joint of polyethylene board, the joint that melted of contact top layer is exerted pressure thereupon, can make the two boards edge be connected into one or two ends that are 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 rotates the end that is installed in the long single-arm shift bracket of hinge on turning rolls with its rotating shaft, and the rotating shaft of the other end is provided with handle; Lower roller is installed on the bracing frame of being located on the turning rolls with the two ends rotation of its rotating shaft, and being provided with one with relative end that upper roller is installed long single-arm shift bracket end to be installed in long single-arm shift bracket on the turning rolls (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), upper and lower pressing plate is installed in respectively on two long single-arm shift brackets, and electric boiling plate is arranged between the upper and lower pressing plate.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 state, make it seam be compressed applying 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 fusing 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 comprises the steps the welding polyethylene board:
(1) cutting and the polyethylene board through crosslinkedization of stretching are to setting width;
(2) one of two boards material side 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 simultaneously at the upper and lower surface of lap joint;
(4) electric boiling plate is implemented energising; When the polyethylene board top layer reaches molten state, fusion splicing devices is rolled forward along the seam length direction move, pressure roller is spreading seam thereupon then, rubs with the hands until polyethylene board till the contact surface layer bonding jail of head.
Embodiment 2:
One of the present invention embodiment preferably is, a corresponding wide high resistance silk screen with joint 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 the polyethylene board through crosslinkedization of stretching are to setting width;
(2) one of two boards material side is inserted from the fusion splicing devices both sides respectively, and make its superimposed overlap joint;
(3) a high resistance silk screen with the joint respective width 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; When the polyethylene board top layer reaches molten state, fusion splicing devices is rolled forward along the seam length direction move, pressure roller is spreading seam thereupon then, till the contact surface layer bonding jail of polyethylene board joint.
, promptly melt shaped polyethylene up and down and interpenetrate bondingly by mesh because cancellated high resistance silk screen is entrenched between polythene material after the fusing with the seam of the method welding, 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, and 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 frame 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 partly, when treating to molten state, operated roller is rolled, 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.When need accompany the polythene material of high resistance silk screen with the welding of this device in the joint of two sheet materials, can remove electric boiling plate, make power supply directly give the heating of high resistance silk screen.
As after adopting above method to be fused into polyethylene sleeve, it is nested with than its smaller member in appearance, and suitably heating, polyethylene sleeve shrink 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 (2)
1, a kind of welding process of polyvinyl plate is characterized in that:
(1) cutting and the polyethylene board through crosslinkedization of stretching are to setting width;
(2) one of two boards material side is inserted from the fusion splicing devices both sides respectively, and made its superimposed overlap joint;
(3) a high resistance silk screen with the joint respective width 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; When the polyethylene board top layer reaches molten state, fusion splicing devices is rolled forward along the seam length direction move, pressure roller is spreading seam thereupon then, rubs with the hands until polyethylene board till the contact surface layer bonding jail of head.
2, used roller fusion splicing devices in a kind of welding process according to claim 1 is characterized in that including 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 turning rolls (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 turning rolls (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 turning rolls (6) in the relative end with upper roller (1) the long single-arm shift bracket of installation (3) end; 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 CN1124193A (en) | 1996-06-12 |
| CN1049623C true 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) |
Families Citing this family (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 |
| CN104228059B (en) * | 2014-09-17 | 2017-04-26 | 西安交通大学 | Thermosetting polymer matrix composite resistance welding device and method |
| CN104676142B (en) * | 2015-02-03 | 2017-10-31 | 戴爱清 | A kind of polypropylene backbone enhancing internal-rib winding structure tube and its manufacture method |
Citations (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 |
| CN1089207A (en) * | 1992-10-30 | 1994-07-13 | 塞恩德公司 | On thermoplastic strap, produce the method and apparatus of welding point with different pressure |
| CN1097739A (en) * | 1993-07-02 | 1995-01-25 | 拜尔公司 | The preparation method of amino-substituted thioethers |
-
1994
- 1994-12-06 CN CN94114022A patent/CN1049623C/en not_active Expired - Fee Related
Patent Citations (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 |
| CN1089207A (en) * | 1992-10-30 | 1994-07-13 | 塞恩德公司 | On thermoplastic strap, produce the method and apparatus of welding point with different pressure |
| CN1097739A (en) * | 1993-07-02 | 1995-01-25 | 拜尔公司 | The preparation method of amino-substituted thioethers |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1124193A (en) | 1996-06-12 |
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