CN1974184A - Screw extruding welding method - Google Patents
Screw extruding welding method Download PDFInfo
- Publication number
- CN1974184A CN1974184A CNA2006100983338A CN200610098333A CN1974184A CN 1974184 A CN1974184 A CN 1974184A CN A2006100983338 A CNA2006100983338 A CN A2006100983338A CN 200610098333 A CN200610098333 A CN 200610098333A CN 1974184 A CN1974184 A CN 1974184A
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- CN
- China
- Prior art keywords
- welding
- weld
- screw extruding
- weld seam
- welding method
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The present invention belongs to the field of welding mode, and is especially one kind of screw extruding welding method. The extrusion welding apparatus includes one small ejecting machine and one motor driven softening mechanism, which heats the welding machine to the welding temperature before starting a blower to heat air. The welding wire fed to the ejecting mechanism is plasticized and extruded before being distributed and pressed to the welded surface with one welding seat, and the welding machine moving forward smelts the welded surface and the extruded material simultaneously to form tightly combining weld seam without wave. The excessive ejected material in the edges of the weld seam is then eliminated with some special tool and the weld seam is finished. The present invention has the advantages of weld seat selection based on the welded surface size, high welding strength, high efficiency, etc.
Description
Technical field
The invention belongs to a kind of welding manner, refer in particular to a kind of screw extruding welding method.
Background technology
The hot blast welding is adopted in plastic tube welding in the past, utilizes hot blast that welding rod and face of weld are heated to molten condition, applies certain active force welding from the teeth outwards, its shortcoming is a welding rod size basic fixed, so solder side is big more, weld seam is many more, and work efficiency is slow, and weld strength is not ideal enough.200610002534.3, " extruder is extrusion and welding apparatus especially ", it is a kind of hand-held extrusion and welding apparatus, and in order to discharge in extruder the gas in the extrusion plastic treated of part plasticizing, it has proposed between two thread segments of extruder screw no thread segment to be set.
Summary of the invention
The purpose of this invention is to provide a kind of screw extruding welding method, the welding of screw rod extruded type is extruded the rolling plastic welding rod through heat fused, is welded on the solder side by the weldering seat, and it can effectively improve weld strength.
Welding method of the present invention:
The weld seam bottom uses common hot-air welding.Adopt the extruded type welding equipment, it comprises a little ejaculator and the softening mechanism that is driven by motor, welding machine is heated to the welding temperature of regulation after, start blowing plant, use the hot-air preheating.Welding rod is sent to ejecting mechanism through the bonding wire feed mechanism, and plasticizing is extruded, and extruded stock is distributed by an inclined weld seat and presses down, and the weldering seat is pressed on the solder side, and after making that solder side and extruded stock are high simultaneously and melting, welding machine evenly advances, and keeps weld seam in conjunction with closely, the non-ripple shape.With the unnecessary ejaculation material of weld edge, remove with specific purpose tool, and weld seam is repaired.
Wherein weld of the decision of the shape of seat: loading, filling speed, contact angle, flow of solder material, soldered, uniform pressure by following factors.
Weldering seat shape can be suitable for weld shape of all categories, and the wide more weldering seat of general weld seam is long more, and wherein the weldering seat adopts the material of highly hot parasexuality, and PTFE is better.
Advantage of the present invention is that weldering seat can be selected according to the solder side size, so weld seam only needs get final product together and weld strength height, saving work efficiency.
Description of drawings
Fig. 1 is a work schematic diagram of the present invention
1. sheet material 2. heat coils 3. air blasts 4. bonding wire feedings 5. ejecting mechanisms 6. weld seat 7. bonding wire circles
8. particle funnel 9. weld seams
The specific embodiment
As shown in the figure, the method for the invention: at first the butt welded seam bottom uses common hot-air welding.After welding machine being heated to the welding temperature of regulation again, start blowing plant, use the hot-air preheating.Welding rod is sent to ejecting mechanism through the bonding wire feed mechanism, and plasticizing is extruded, and weldering seat is pressed on the solder side, and after making that solder side and extruded stock are high simultaneously and melting, welding machine evenly advances, and keeps weld seam in conjunction with closely, the non-ripple shape.With the unnecessary ejaculation material of weld edge, remove at last, and weld seam is repaired with specific purpose tool.Concrete associated welds technological parameter is as follows:
| Penetrate material temperature ℃ | Air themperature ℃ | | |
| PP | 200～240 | 210～250 | 350～400 |
| UPVC | 170～180 | 230～250 | 350～400 |
| PVDF | 240～260 | 240～270 | 350～400 |
Claims (4)
1. screw extruding welding method after it is characterized in that at first welding machine being heated to the welding temperature of regulation, starts blowing plant, uses the hot-air preheating; Again welding rod is sent to ejecting mechanism through the bonding wire feed mechanism, plasticizing is extruded, and extruded stock is distributed by an inclined weld seat and presses down, and the weldering seat is pressed on the solder side, and after making that solder side and extruded stock are high simultaneously and melting, welding machine evenly advances; With the unnecessary ejaculation material of weld edge, remove at last, and weld seam is repaired with specific purpose tool.
2. screw extruding welding method according to claim 1 is characterized in that welding a shape and is suitable for weld shape of all categories, and the wide more weldering seat of weld seam is long more.
3. screw extruding welding method according to claim 1 is characterized in that adopting the material of highly hot parasexuality.
4. screw extruding welding method according to claim 3, the material that it is characterized in that the hot parasexuality of described height is PTFE.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100983338A CN1974184A (en) | 2006-12-11 | 2006-12-11 | Screw extruding welding method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100983338A CN1974184A (en) | 2006-12-11 | 2006-12-11 | Screw extruding welding method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1974184A true CN1974184A (en) | 2007-06-06 |
Family
ID=38124666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006100983338A Pending CN1974184A (en) | 2006-12-11 | 2006-12-11 | Screw extruding welding method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1974184A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102470607A (en) * | 2009-07-31 | 2012-05-23 | 艾萨帕克控股公司 | Method and device for sealing tubular plastic packaging, and resulting packaging |
| CN102361742B (en) * | 2009-03-23 | 2015-03-04 | 积水化学工业株式会社 | Extrusion raw material feeding device and method of producing optical transmission body by using extrusion raw material feeding device |
| CN106113488A (en) * | 2016-08-22 | 2016-11-16 | 福州莱斯特塑料焊接科技有限公司 | A kind of particle type plastic extrusion bonding machine and control method thereof |
-
2006
- 2006-12-11 CN CNA2006100983338A patent/CN1974184A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102361742B (en) * | 2009-03-23 | 2015-03-04 | 积水化学工业株式会社 | Extrusion raw material feeding device and method of producing optical transmission body by using extrusion raw material feeding device |
| CN102470607A (en) * | 2009-07-31 | 2012-05-23 | 艾萨帕克控股公司 | Method and device for sealing tubular plastic packaging, and resulting packaging |
| CN106113488A (en) * | 2016-08-22 | 2016-11-16 | 福州莱斯特塑料焊接科技有限公司 | A kind of particle type plastic extrusion bonding machine and control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |