CN1048200C - Apparatus for producing thin metallic tubd - Google Patents
Apparatus for producing thin metallic tubd Download PDFInfo
- Publication number
- CN1048200C CN1048200C CN94101875A CN94101875A CN1048200C CN 1048200 C CN1048200 C CN 1048200C CN 94101875 A CN94101875 A CN 94101875A CN 94101875 A CN94101875 A CN 94101875A CN 1048200 C CN1048200 C CN 1048200C
- Authority
- CN
- China
- Prior art keywords
- chuck
- power sensor
- crossbeam
- pipe
- described equipment
- 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.)
- Expired - Fee Related
Links
- 238000004519 manufacturing process Methods 0.000 claims abstract description 9
- 238000011156 evaluation Methods 0.000 claims abstract description 8
- 229910052751 metal Inorganic materials 0.000 claims abstract description 6
- 239000002184 metal Substances 0.000 claims abstract description 6
- 238000003466 welding Methods 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims description 8
- 230000001105 regulatory effect Effects 0.000 claims description 8
- 239000011888 foil Substances 0.000 claims description 7
- 238000005259 measurement Methods 0.000 claims description 6
- 238000005096 rolling process Methods 0.000 claims description 4
- 238000005452 bending Methods 0.000 abstract description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 235000015895 biscuits Nutrition 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
- B21C37/08—Making tubes with welded or soldered seams
- B21C37/0807—Tube treating or manipulating combined with, or specially adapted for use in connection with tube making machines, e.g. drawing-off devices, cutting-off
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C51/00—Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/0028—Force sensors associated with force applying means
- G01L5/0038—Force sensors associated with force applying means applying a pushing force
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/0061—Force sensors associated with industrial machines or actuators
- G01L5/0076—Force sensors associated with manufacturing machines
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
A description is given of a device for the production of thin-walled metal tubes in which, first of all, a slotted tube is formed and then seam-welded, having a continuously operating withdrawal element which is arranged on the delivery side of the welding device and has clamping jaws that clamp the welded tube fixedly in terms of rotation, that can be adjusted with a controllable resilient contact pressure and are under spring pressure and which furthermore has guide rollers which are mounted on the said clamping jaws and roll along fixed guide rails. Provided in one of the guide rails is a bending or measuring beam which is formed by an elongate recess on that surface of which that faces away from the clamping jaws a force transducer rests or a strain gauge is secured, these being connected in each case to an evaluation unit. The bending beam is intended for the determination of the force exerted by the clamping jaws on the tube.
Description
The present invention relates to a kind of production thin metallic tubd, the equipment of corrugated metal pipe particularly, wherein, apertured pipe at first is shaped, stitch weldering then, a haulage gear of working continuously is set in the back of welder, this haulage gear have the pipe that welding is good prevent to clamp rotationally with and spring pressure can be by the chuck of quantitatively regulating, this haulage gear also has and is bearing on the described chuck, guide wheel along fixing guide rail rolling, these guide wheels can be bearing in the chuck perpendicular to tube axis with regulating, like this, be seated on the eccentric pin in the chuck piece of in the guide wheel at least one under it, and at least one in the guide wheel is seated on the single arm rocking device in its chuck piece, and the free end of this single arm rocking device is under adjustable spring pressure.
DE-PS 11 64 355 discloses metal tape is shaped as crack with seam in the shaped device that is made of roller, roller or model pipe, and the longitudinal seam of the pipe in crack with seam is welded.In same operation process, the plain tube of making is processed into bellows by a corrugation device.
The plain tube that processes continuously is by a draw-gear traction and to the delivery of corrugation device.Extruding ripple on plain tube is to realize around the rotation ripple forming tool of plain tube axial-movement with one heart or prejudicially by one.By the corrugation process, there is a moment of torsion to be applied on the plain tube, this moment of torsion produces a torsional stress that causes plain tube to reverse on plain tube.For fear of occurring defective in welded joints, must need to make torsional stress avoid solder joint.In known draw-gear, plain tube is pulled mechanism and controls, these haulage gear design mix into two, can be transverse to the chuck piece of its shuttling movement direction motion, these chuck pieces are guided on dolly, these dollies then are fixed on the circulation link chain.Moving chuck piece moves in opposite directions or mutually privately by the guide rail guiding of fixing, and controls pipe under closure state securely, and the torsional stress that plain tube is produced by corrugated apparatus for converting the time can not pass on the solder joint.
Be applied to clamping force on the plain tube from the chuck of haulage gear and must set for and will reach plain tube to be drawn on the one hand and guided securely and guarantee not occur and reverse, will prevent plain tube on the other hand because the clamping force of chuck closure occurs pressing sunken.It is on the very big pipe that this danger appears at diameter/wall ratio especially., will can be bearing in the chuck piece perpendicular to tube axis owing to the closed clamping force that is applied on the plain tube of chuck for adaptive with regulating, like this, be seated on the eccentric pin in the chuck piece of roller under it along the closed roller that guide rail rolls.Under the closure state of chuck, suppressed one of in the roller by one group of disc spring.This known equipment has generally speaking withstood test.But in normal productive process, but can not get rid of chuck on the plain tube thereby the distortion that also on bellows, causes.
Therefore, the objective of the invention is to develop known equipment, thereby enable the tensile force in the chuck dolly is accurately measured being added in clamping force on the plain tube, accurately and even regulation and monitoring in equipment running process.Should provide measurement means with all chuck dollies of same measurement mechanism outfit draw-gear.
According to production thin metallic tubd of the present invention, the equipment of corrugated metal pipe particularly, wherein, apertured pipe at first is shaped, stitch weldering then, a haulage gear of working continuously is set in the back of welder, this haulage gear have the pipe that welding is good prevent to clamp rotationally with and spring pressure can be by the chuck of quantitatively regulating, this haulage gear also has and is bearing on the described chuck, guide wheel along fixing guide rail rolling, these guide wheels can be bearing in the chuck perpendicular to tube axis with regulating, like this, be seated on the eccentric pin in the chuck piece of in the guide wheel at least one under it, and at least one in the guide wheel is seated on the single arm rocking device in its chuck piece, the free end of this single arm rocking device is under adjustable spring pressure, be provided with one in this equipment by being opened in crossbeam or the measurement beam that a slotted hole in the guide rail forms, reclining on the surface of the chuck dorsad of this a beam power sensor or be fixed with a slice foil gauge, this power sensor or foil gauge link to each other with an evaluation device separately.By being located at a crossbeam on the fixing guide rail just for all chucks provide the possibility of measuring, because all chucks all pass through this crossbeam in the circular flow of draw-gear.Because chuck is under closure state, promptly passes by at the situation lower edge crossbeam of high-clamping force, some bendings just appear in crossbeam, and the size of its skew is directly proportional with clamping force.Size according to amount of bow is producing a variation more or less on the resistance of foil gauge or in the indication of power sensor.Can draw the best clamping force that is suitable for each pipe specification by a series of test, and before the processing beginning, each chuck dolly be accessed this best clamping force.
Other favourable structure of the present invention is described below.This microscler perforate is a longitudinally extending groove along guide rail, and the power sensor abuts on the crossbeam in the centre of groove, and the power sensor is bearing in the breach of groove.The highest 0.1mm of being no more than of amount of bow of the crossbeam that the pressure by chuck causes, the highest 0.05mm that is no more than is better, and that best is the highest 0.02mm of being no more than.The power sensor links to each other with an evaluation device.This evaluation device is equipped with an interface, and this interface is transferred to record to measurement data in process of production and prints off machine.
The present invention is described in detail by means of the embodiment that schematically illustrates in Fig. 1 to 3.In the accompanying drawings:
Fig. 1 illustrates and produces for example front view of the production line of coaxial high-frequency cable;
Fig. 2 is the diagrammatic top view of the working condition of explanation chuck;
Fig. 3 is corresponding to the signal facade view of the working condition of Fig. 2, explanation chuck.
Fig. 1 is used to produce for example front view of the production line 1 of coaxial high-frequency cable.The inner wire 5 that is not shown specifically, be provided with pad, for example be a ripple copper pipe, pull out from standby drum 3.One strip metal band 11, for example be copper strips, pull out from standby biscuit frame 7, transmit by cleaning device 9 and deliver to building mortion 13, in this building mortion, copper strips 11 is shaped as one with inner wire 5 pipes concentric, that have longitudinal slot.By a welder 15, preferably the tipping of tungsten electrode inert gas shielded arc welding is put, longitudinal slot is welded.Be provided with a draw-gear 17 along the operator to seeing in the back of welder 15, good pipe 23 has also transported inner wire 5 and copper strips 11 thereby this draw-gear is used to transport welding.Draw-gear 17 contains a circulation link chain 19, on this circulation link chain 19, is equipped with and is spaced from each other the chuck 21 that certain distance is provided with.Be provided with sprocket wheel 33 and 35 in the housing 31 of draw-gear, circulation link chain 19 moves around sprocket wheel.Sprocket wheel 33 band drive units drive the chain 19 of the tensioning that chuck 21 is housed on it, and 35 on sprocket wheel is used as tightener sprocket.
Be provided with a corrugation device 25 in the back of draw-gear 17, this device 25 on the wall of the pipe 23 that welds, be shaped annular or helical fissure.The high frequency cable of so making is on rolling to a cable hank 29 under the adjustment of shaking wheel 27.Pipe 23 on the high frequency cable of making, that be shaped on ripple on it constitutes outer conductor.
Draw-gear 17 is themes of DBP 11 64 355 patents, is attached among the application by quoting as proof.
Though DBP 11 64 355 is related to the clamping force of chuck and is provided with so-called dynamic balance measure, this measure is not enough to get rid of fully the distortion that the tube wall of 21 pairs of pipes that weld 23 of chuck causes.Such distortion is harmful to high frequency cable just, because such distortion can cause reflection peak, and the reflection peak range of application of such high frequency cable that can reduce the quality of high frequency cable and constriction.
As described at DBP 11 64 355, welded pipe 23 is surrounded tightly by two chucks 21.Each chuck 21 has a surperficial (see figure 3) of mating with pipe 23 at it on the surface of pipe 23.Each collet 21 its dorsad a side of pipe 23 have a guide wheel 22, this guide wheel 22 rolls on guide rail 24 and makes chuck 21 closures.This guide wheel 22 is regulated by an eccentric that does not illustrate.Be to clamp one of in the guide wheel 22 by one group of disc spring that does not illustrate.Process a slotted hole 26 on one of in guide rail 24, thereby form a crossbeam 28, this crossbeam 28 elastic bending under the carrying situation (seeing the dotted line among Fig. 2).Be provided with a power sensor 32 in the cavity of setting up for this purpose 30 of slotted hole 26, its pin rod 32a contacts with the surface of the guide wheel dorsad 22 of crossbeam 28.This pin rod 32a acts on the diaphragm that is fixed with foil gauge thereon with known manner.Because such power sensor is known, so is not shown specifically on the figure.Also foil gauge directly can be sticked on the back side of crossbeam 28.
Crossbeam 28 chuck 21 by the time strain and affacting on the power sensor 32.The big I of power draws by a coupled evaluation device 34.Journal printer (36) illustrates the data in the production process.The width of crossbeam 28 should be chosen to make the bent amount of the change maximum of generation to be no more than 0.05mm according to the height of guide rail 24, the characteristic of material, the length and the clamping force of crossbeam 28.It is constant in gamut that the consideration starting point of this limited range makes disc spring group applied pressure.
The mensuration of optimal parameter realizes by mode described below.
The best clamping force of each the pipe specification that will make (wall thickness, external diameter, material) draws by experience, and in other words, tube wall does not deform under the clamping force that draws like this, has also eliminated torsional stress simultaneously.For all chucks access this clamping force, that is to say in succession, access this clamping force by the pressure that changes the disc spring group.The pipe of producing specific standard will access specific value.In production process, to monitor always and write down the clamping force of each chuck 21.
So just can produce the always consistent pipe of quality.
Claims (6)
1. produce thin metallic tubd for one kind, the equipment of corrugated metal pipe particularly, wherein, apertured pipe at first is shaped, stitch weldering then, a haulage gear of working continuously is set in the back of welder, this haulage gear have the pipe that welding is good prevent to clamp rotationally with and spring pressure can be by the chuck of quantitatively regulating, this haulage gear also has and is bearing on the described chuck, guide wheel along fixing guide rail rolling, these guide wheels can be bearing in the chuck perpendicular to tube axis with regulating, like this, be seated on the eccentric pin in the chuck piece of in the guide wheel at least one under it, and at least one in the guide wheel is seated on the single arm rocking device in its chuck piece, the free end of this single arm rocking device is under adjustable spring pressure, it is characterized in that, be provided with a crossbeam or a measurement beam (28) that forms by the slotted hole (26) that is opened in the guide rail (24), a power sensor (32 is reclining on the surface of the chuck dorsad (21) of this beam (28), 32a) or be fixed with a slice foil gauge, this power sensor or foil gauge link to each other with an evaluation device (34) separately.
2. by the described equipment of claim 1, it is characterized in that this perforate is a longitudinally extending groove (26) along guide rail (24), and power sensor (32) abuts on the crossbeam (28) in the centre of groove (26).
3. by claim 1 or 2 described equipment, it is characterized in that power sensor (32) is bearing in the breach (30) of groove (26).
4. by claim 1 or 2 described equipment, it is characterized in that the highest 0.1mm of being no more than of amount of bow of the crossbeam (28) that the pressure by chuck (21) causes.
5. by claim 1 or 2 described equipment, it is characterized in that power sensor (32) links to each other with an evaluation device (34).
6. by the described equipment of claim 5, it is characterized in that this evaluation device (34) is equipped with an interface, this interface is transferred to journal printer (36) to measurement data in process of production.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEP4304159.0 | 1993-02-12 | ||
| DE4304159 | 1993-02-12 | ||
| DEP4307156.2 | 1993-03-06 | ||
| DE4307156A DE4307156A1 (en) | 1993-02-12 | 1993-03-06 | Device for the production of thin-walled metal tubes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1097360A CN1097360A (en) | 1995-01-18 |
| CN1048200C true CN1048200C (en) | 2000-01-12 |
Family
ID=25923002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN94101875A Expired - Fee Related CN1048200C (en) | 1993-02-12 | 1994-02-09 | Apparatus for producing thin metallic tubd |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPH06315724A (en) |
| CN (1) | CN1048200C (en) |
| SE (1) | SE507961C2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102107234B (en) * | 2009-12-29 | 2015-02-25 | 黑龙江昕泰管业有限公司 | Complete device of spiral corrugated steel pipe and method for producing spiral corrugated steel pipe |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103111486B (en) * | 2012-12-10 | 2014-10-29 | 无锡常欣科技股份有限公司 | Steel wire nicking device |
| CN104438519B (en) * | 2015-01-04 | 2016-08-31 | 宁波力品格自动化科技有限公司 | Air spring cylinder barrel channelling machine |
| CN104625366A (en) * | 2015-01-08 | 2015-05-20 | 上海昕良不锈钢管业有限公司 | Pipe welding unit welding device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3973424A (en) * | 1974-01-09 | 1976-08-10 | Kabel-Und Metallwerke Gutehoffnungshutte Aktiengesellschaft | Production of corrugated tubing |
-
1994
- 1994-02-09 CN CN94101875A patent/CN1048200C/en not_active Expired - Fee Related
- 1994-02-10 JP JP6016752A patent/JPH06315724A/en active Pending
- 1994-02-11 SE SE9400456A patent/SE507961C2/en not_active IP Right Cessation
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3973424A (en) * | 1974-01-09 | 1976-08-10 | Kabel-Und Metallwerke Gutehoffnungshutte Aktiengesellschaft | Production of corrugated tubing |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102107234B (en) * | 2009-12-29 | 2015-02-25 | 黑龙江昕泰管业有限公司 | Complete device of spiral corrugated steel pipe and method for producing spiral corrugated steel pipe |
Also Published As
| Publication number | Publication date |
|---|---|
| SE507961C2 (en) | 1998-08-03 |
| SE9400456L (en) | 1994-08-13 |
| SE9400456D0 (en) | 1994-02-11 |
| JPH06315724A (en) | 1994-11-15 |
| CN1097360A (en) | 1995-01-18 |
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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 | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |