CN1880049A - Device for connecting ends of tubes - Google Patents
Device for connecting ends of tubes Download PDFInfo
- Publication number
- CN1880049A CN1880049A CNA2006100928330A CN200610092833A CN1880049A CN 1880049 A CN1880049 A CN 1880049A CN A2006100928330 A CNA2006100928330 A CN A2006100928330A CN 200610092833 A CN200610092833 A CN 200610092833A CN 1880049 A CN1880049 A CN 1880049A
- Authority
- CN
- China
- Prior art keywords
- described device
- pipe
- tab member
- positioning core
- extruded
- Prior art date
- 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.)
- Pending
Links
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
- F16L3/003—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets devices for holding the open end of a hose
-
- 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
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
-
- 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
- B29C48/256—Exchangeable extruder parts
- B29C48/2562—Mounting or handling of the die
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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
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
- B29C48/901—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article of hollow bodies
- B29C48/903—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article of hollow bodies externally
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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
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/12—Articles with an irregular circumference when viewed in cross-section, e.g. window profiles
-
- 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
- B29C48/355—Conveyors for extruded articles
-
- 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
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
- B29C48/904—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article using dry calibration, i.e. no quenching tank, e.g. with water spray for cooling or lubrication
-
- 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
- B29C57/00—Shaping of tube ends, e.g. flanging, belling or closing; Apparatus therefor, e.g. collapsible mandrels
- B29C57/10—Closing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
- B29L2023/005—Hoses, i.e. flexible
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
- B29L2023/22—Tubes or pipes, i.e. rigid
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
A connecting device for two ends in pipe extrusion, which is connected with the end in a non-positive or positive manner. The device is designed in such a manner that the envelope curve embracing the device can be increased in circumference. Device consists of a stop mandrel at which cylindrical inner part is arranged. An independent claim is also included for extrusion line.
Description
Technical field
The present invention relates to a kind of device that is used for connecting in the pipe extruding two ends, one of them of wherein said end is individual to be the pipe of having extruded.In addition, the invention still further relates to a kind of extrusion line, this production line comprises at least one extruder, a mould and at least one vacuum tank.
Background technology
If wish to change diameter in the pipe extruding, wherein necessary is to cut off the melt bar, and changes diameter-setting equipment.In order to continue extrusion, must link to each other with a pipe fitting in outfeed belt conveyor at the melt bar that stretches out on the mould, so that can from mould, extract the melt bar that from mould, stretches out out.The melt bar was finished by solder technology with being connected usually of a so-called activation members.
Summary of the invention
This welding is time-consuming relatively, therefore the object of the present invention is to provide a kind of device, and this device is realized such connection with a spot of manual operation.
In conjunction with claim 1 preamble, this purpose realizes that by following measure promptly described device can be connected with shape with End Force is sealed sealedly.
According to the expansion structure regulation, the design in this wise of this device, the feasible circumference that centers on the envelope of this device can be extended.Just advise a kind of device, this device can be inserted in the pipeline section without a doubt in its original state, just less than its internal diameter (little envelope), and expansion in this wise behind the corresponding location correctly by adequate measures make to realize a kind of be connected (envelope greatly) of and/or force closure sealed with inside pipe wall shape.
A kind of embodiment of suggestion is characterised in that this device comprises a location mandrel, and a columniform internal part is set on this positioning core axle, it has a thread segment in a side, is mobilizable tab member at opposite side.
According to the expansion structure regulation, the angle of tab member is changeable, and for example, this can load by the spring of tab member and realize.Selectively, a sleeve pipe is set between positioning core axle and mobilizable tab member, this sleeve pipe surrounds the cylindrical interior parts as much as possible.By described thread segment, nut can be tightened towards positioning core axle, and sleeve pipe can change with respect to the relative position of tab member thus, and therefore influences the angle of tab member with respect to the cylindrical interior parts.Therefore when beginning, by sleeve pipe tab member is holded up, and therefore hold on to the inboard of pipe by fastening nut.The angle adjustment of tab member is preferably carried out in this wise, makes them hold up against the device direction of extracting out from pipe as barb, and a therefore similar arrow tip, and this also makes to the inner propelling of pipe simplifies.
This device preferably is provided with a draw ring on thread segment, so that for example by steel wire rope it is connected with a draw-gear.
For with this device centering better in the pipe of having extruded, positioning core axle have an external diameter as far as possible with the corresponding part of the internal diameter of the pipe of having extruded.Advantageously, for each corresponding positioning core axle of pipe deposit to be processed.Therefore this device can link to each other with the pipe of having extruded by tab member.
In another embodiment, positioning core axle is connected with an extension device, and a counterpart is set on this extension device again, and can place around counterpart still is the melt of pasty.
Another kind of embodiment is characterised in that an inflatable object loads by interior pressure.Therefore inflatable object can insert pipe inside without a doubt under its original form, correspondingly load then by interior pressure, envelope is extended thus, and the outer surface of inflatable object clings on the inside pipe wall, and forms the sealed connection of a kind of shape thus.
Press expansion structure regulation, the element that the internal diameter via the end can link to each other with it is set on the outer surface of inflatable object.This can be to have varigrained face coat or special element such as gripper or plunger tip, and they hook the inner surface of pipe equally with the form of gripper when object is inflated.Configuration according to interior pressure is contemplated that, thus even form a kind of distortion of tube end.
Inflatable object advantageously is provided with a valve, can be inflated by the described object of this valve, after meeting the requirements of start-up course, can unload once more by described valve pressure, so that remove this device.Can stipulate at this, can control and adjust internal pressure, wherein this in addition can realize by the equipment control device of extrusion equipment.
This device is particluarly suitable for using on the extrusion line, and this production line comprises at least one extruder, a mould and at least one vacuum tank, wherein when starting or after changing section bar, realizes being connected of melt bar and the section bar of having extruded.
Thus by draw ring, two interconnect by device of the present invention, make as start described, can from mould, extract the melt bar out by outfeed belt conveyor.
Description of drawings
Embodiments of the invention schematically are shown in the accompanying drawings, in the accompanying drawing:
Fig. 1 illustrates the cross section of first embodiment,
Fig. 2 illustrates the cross section of second embodiment,
Fig. 3 illustrates the connectivity scenario a kind of and pipe of having extruded,
Fig. 4 illustrates pipe and being connected of another pipe as the startup pipe,
Fig. 5 illustrates pipe and being connected of melt bar,
Fig. 6 illustrates another embodiment,
Fig. 7 is illustrated under the state of use the embodiment according to Fig. 6.
The specific embodiment
Fig. 1 left side illustrates the cross section of an embodiment, and wherein chain-dotted line 11 is represented envelopes, and the head of this device is shown respectively in the part on the right.Fig. 1 a illustrates parcel winding thread 11, and wherein tab member 6 is to hold up minimumly.In Fig. 1 b, tab member 6 obviously more the highland hold up, make that envelope 11 is bigger.Therefore can be inserted into this device the inside of a pipe of having extruded thus, hold up tab member 6, and enlarge envelope 11, realize that thus tab member 6 abuts on the inwall of the pipe of having extruded, and realize the connection of the sealed and/or force closure of a kind of shape.
Fig. 2 illustrates another embodiment, wherein also represents envelope 11 with chain-dotted line here, and Fig. 2 a illustrates an inflatable object 12, and this object is connected with element 13, and wherein the tip of element 13 is close on the envelope 11 here.After inflatable object 12 inflations, envelope 11 is extended thus, and element 13 compresses towards the inside of pipe 1.
Provide preferred embodiment in Fig. 3 again, this embodiment illustrates the cross section by Fig. 1, and wherein chain-dotted line 11 is also represented envelope here, and this envelope is in this case around tab member 6.Tab member 6 is connected with cylindrical interior parts 4, and wherein tab member is provided with in internal part movably.Cylindrical interior parts 4 are farthest surrounded by a sleeve pipe 7, and wherein cylindrical interior parts 4 lead to a thread segment 5, and a draw ring 10 is set in the end of thread segment.By a nut 8 that is positioned on the thread segment 5, positioning core axle 3 can be passed along the cylindrical interior parts, and sleeve pipe 7 is holded up tab member 6 thus, and compresses towards the inside of the end of pipe 2, forms the connection of force closure.
For positioning core axle centering better on pipe 1 end 2, positioning core axle 3 has a columniform part 9, and this part is corresponding with the internal diameter of corresponding pipe 1 as much as possible.
Fig. 4 illustrates a kind of application by device of the present invention, and wherein two pipes of having extruded 1 connect by described device.In the pipe of having extruded 1, this device is installed on the end 2 of pipe, wherein only is illustrated in the outside positioning core axle 3 that can find out of pipe, and nut 5 is close on this positioning core axle, and thus, tab member 6 as described above compresses towards the inside of pipe 1.Two draw rings 10 here connect by a U-loop (Schekel), make can continue to carry two of managing in 1 by the outfeed belt conveyor in the extrusion line, and drive another pipe 1 thus.
If on the side in both sides, do not lay in butt tube (Rohrstumpf), and be the melt of pasty, this device can use on a side and the pipe of having extruded 1 similar Fig. 4 ground, wherein can save clamping, be similar to application illustrated in fig. 5 thereby draw with tab member 6 at opposite side.Here illustrate once more a pipe of having extruded 1 together be loaded into by device of the present invention, wherein can only see positioning core axle 3 and nut 8, thread segment 5 and draw ring 10.On opposite side,, make here that by the outfeed belt conveyor that do not illustrate via draw ring 10 and the rope that is connected two draw rings 10, the melt bar also can continue mobile at a sizing sleeve pipe relaying at the melt 17 of counterpart 14 placed around pasties.
Another kind of embodiment is shown in Fig. 6 again.What illustrate is Manufactured pipe 1, inserts a connector 3 therein.A two-part extension device 15 links to each other with it, wherein is installed in the seal 16 of being close to dividing plate in the vacuum tank on extension device part 15a.Extension device part 15b directly is connected with counterpart 14.The melt 17 that is shaped around counterpart 14, melt can go out material conveying device and extracts out from extrusion die via whole device by unshowned.
In other words, after pipeline interrupted, Manufactured pipe 1 was extracted out from first chamber of vacuum tank, and removed end seal.Then, change diameter-setting equipment, the fore-end 15a of extension device 15 is encased in second diameter-setting equipment 18 together with connector 3, and seal 16 is installed.After changing, insert the rear end part 15b and the counterpart 14 of extension device 15.By on pull bar, (being threaded, being similar to thread segment 5) and the screw thread of nut (see figure 3), reciprocally screw all parts, simultaneously, tip (as shown in Figure 3 similarly embodiment) is wedged in the pipe 1 (as the fin among Fig. 3 6).Then, the seal of shifting onto on the extension device 15 16 is fixed on the next door.Now, melt 14 can be placed on (at the recess of extension device 15, forming a kerf thus) around the counterpart 14, after cooling by the hawser adhesive.Production line can rerun now, because guarantee that it is vacuum-packed that first vacuum tank begins from startup, then outfeed belt conveyor can be extracted pipe 1 out via whole length.
List of numerals
1 pipe of having extruded
21 end
3 positioning core axles
4 cylindrical interior parts
5 thread segments
6 tab member
7 sleeve pipes
8 nuts
93 part
10 draw rings
11 envelopes
12 inflatable objects
Element on 13 12
14 counterpart
The fore-end of 15a extension device
The rear end part of 15b extension device
16 seals
17 melts
18 diameter-setting equipments
19 vacuum tanks.
Claims (17)
1. device that is used for connecting two ends in pipe extruding, at least one in wherein said end (2) is the pipe of having extruded (1), it is characterized in that, described device can be sealed with this End Force or shape be connected sealedly.
2. by the described device of claim 1, it is characterized in that, the design in this wise of this device, the feasible circumference that centers on the envelope (11) of this device can be extended.
3. by the described device of claim 2, it is characterized in that this device comprises a location mandrel (3), and a columniform internal part (4) is set on this positioning core axle, this internal part has a thread segment (5) in a side, is mobilizable tab member (6) at opposite side.
4. by the described device of claim 3, it is characterized in that the angle of tab member (6) is changeable.
5. by the described device of claim 4, it is characterized in that tab member (6) is spring-loaded.
6. by claim 4 or 5 described devices, it is characterized in that a sleeve pipe (7) surrounds cylindrical interior parts (4) as much as possible between positioning core axle (3) and mobilizable tab member (6).
7. by the described device of claim 6, it is characterized in that by thread segment (5), a nut (8) can be tightened towards positioning core axle (3).
8. by the described device of claim 7, it is characterized in that by nut (8), the relative position with respect to tab member (6) of sleeve pipe (7) can change, therefore can influence the angle of tab member (6) with respect to cylindrical interior parts (4).
9. by the described device of claim 8, it is characterized in that, a draw ring (10) is set on thread segment (5).
10. by each described device in the claim 1 to 9, it is characterized in that, positioning core axle (3) have its external diameter as far as possible with the corresponding part of internal diameter (9) of the pipe of having extruded (1).
11., it is characterized in that the pipe of having extruded (1) can pass through tab member (6) and link to each other with described device by each described device in the aforesaid right requirement.
12., it is characterized in that an inflatable object (12) can load interior pressure by the described device of claim 1.
13. by the described device of claim 12, it is characterized in that, setting element on the outer surface of inflatable object (12) (13), these elements can be connected with described end shape by the internal diameter of end (2) sealedly.
14. by claim 12 and 13 described devices, it is characterized in that, on inflatable object (12), a valve be set.
15., it is characterized in that positioning core axle (3) is connected with an extension device (15), and a counterpart (14) is set on this extension device by the described device of claim 11.
16. extrusion line, comprise at least one extruder, a mould and at least one vacuum tank, it is characterized in that, when starting or after changing section bar, by by one of claim 1 to 15 described device, realize being connected of melt bar and the section bar of having extruded.
17. by the described extrusion line of claim 16, it is characterized in that, connect by draw ring (10) by described two devices of claim 1 to 15.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102005028085.4 | 2005-06-17 | ||
| DE102005028085A DE102005028085A1 (en) | 2005-06-17 | 2005-06-17 | Connecting device for two ends in pipe extrusion whereby end is connected in a non-positive or positive manner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1880049A true CN1880049A (en) | 2006-12-20 |
Family
ID=37513389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006100928330A Pending CN1880049A (en) | 2005-06-17 | 2006-06-16 | Device for connecting ends of tubes |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN1880049A (en) |
| DE (1) | DE102005028085A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010026731A1 (en) | 2010-07-09 | 2012-01-12 | Inoex Gmbh | Method and device for starting a pipe extrusion line |
| DE102010048579A1 (en) | 2010-10-18 | 2012-04-19 | Inoex Gmbh | Method and device for starting a pipe extrusion line |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE531583A (en) * | 1953-09-03 | |||
| DE1094977B (en) * | 1957-03-30 | 1960-12-15 | Alpine Ag Maschinenfabrik Und | Device for facilitating the introduction of a stopper into a pipe made of plastic emerging from the injection head of an extrusion press |
| DE1156972B (en) * | 1959-05-06 | 1963-11-07 | Frieseke & Hoepfner Gmbh | Sealing and extraction plugs for extruder system |
| DE10258813A1 (en) * | 2002-12-17 | 2004-07-08 | Krauss-Maffei Kunststofftechnik Gmbh | Start-up system for an extruder, in particular extruded tube, comprises a head connected to melt extrudate and a pulling mechanism to link to a take-off unit |
-
2005
- 2005-06-17 DE DE102005028085A patent/DE102005028085A1/en not_active Withdrawn
-
2006
- 2006-06-16 CN CNA2006100928330A patent/CN1880049A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE102005028085A1 (en) | 2006-12-28 |
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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 |
Open date: 20061220 |