CN2749596Y - Metal pipe straightening die set - Google Patents
Metal pipe straightening die set Download PDFInfo
- Publication number
- CN2749596Y CN2749596Y CN 200420115243 CN200420115243U CN2749596Y CN 2749596 Y CN2749596 Y CN 2749596Y CN 200420115243 CN200420115243 CN 200420115243 CN 200420115243 U CN200420115243 U CN 200420115243U CN 2749596 Y CN2749596 Y CN 2749596Y
- Authority
- CN
- China
- Prior art keywords
- pretension
- core
- die sleeve
- cone segments
- thread segment
- 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 - Lifetime
Links
Images
Landscapes
- Heat Treatment Of Articles (AREA)
Abstract
The utility model relates to a metal pipe straightening die set, which is characterized in that the die set comprises an upper core die, a lower core die, a pair of pretension inner die sleeves, two pretension sleeve rings, two pretension pads, two pretension screw nuts and a fixing pin, wherein the pretension inner die sleeves are respectively sheathed on the upper core die and the lower core die; the fixing pin is arranged on a fixing pin hole of the upper core die. The utility model can solve the technical problems that a thin pipe with a large caliber is difficult to clamp, a mold is easy to release, the head of a thin pipe is easy to damage, and a thin wall pipe with a large caliber is difficult to apply tension, etc. when a thin wall pipe with a large caliber has tension straightening. The utility model has the advantages of novel and peculiar structure, easy loading and unloading and adjustable tension size, is particularly suitable for vertical creepage tension straightening of a thin wall metal pipe with a large caliber and can also be used for horizontal hot tension straightening of a metal pipe.
Description
Technical field
The utility model relates to a kind of metal pipe material aligning mould, be applicable to the creep tension Annealing aligning of multiple metal material heavy caliber, thin-wall pipes, be particularly suitable for Rare Metals Materials such as titanium, zirconium and alloy heavy caliber thereof, the vertical creep tension Annealing aligning of thin-walled high accuracy tubing finished product.
Background technology
Heavy caliber, thin-walled (bore is greater than 50mm, and diameter and wall thickness ratio are greater than 50) metal pipe material have been widely used in essential industry departments such as space flight, navigation, weapons.Its linearity requirement is high, and (angularity≤0.20mm/m), straightening technology is technological difficulties.Align the high linearity requirement that to satisfy tubing fully for the multiple roll that large-caliber thin-walled tubing adopts at present, adopt the method for on the basis of roll straightening, carrying out creep tension Annealing aligning can guarantee final high linearity.How clamping of large-diameter and thin-wall pipe, how tension force applies, and is the technological difficulties that run into.
Summary of the invention
The purpose of this utility model is the problem at above-mentioned existence, provide a kind of simple in structure, be easy to dismantle, be easy to apply the vertical creep tension Annealing aligning of tension force, large-caliber thin-walled metal pipe material economical and practical, that production efficiency is high, easy to operate and safe and reliable mould, it is orthopedic to be recycled and reused for the creep tension Annealing.
A kind of metal pipe material aligning mould is characterized in that this mould comprises:
Last core---its profile is that the lower end is a cone segments, the middle part is the pretension thread segment, the upper end is that three sections of straightway are the holistic body that is prepared from by stainless steel or heat resisting steel, external diameter between cone segments and pretension thread segment is less than the external diameter of pretension thread segment, is provided with a fixed pin holes radially on straightway;
Following core---its profile is that the upper end is cone segments, the middle part is the pretension thread segment, the end of lower end has three sections of cylindrical counterweight section of boss and is prepared from by stainless steel or heat resisting steel pole for holistic, and the external diameter between cone segments and pretension thread segment is less than the external diameter of pretension thread segment;
Die sleeve in the pretension---this die sleeve is a pair of up and down, be tubular body, the inner chamber of its tubular body is made of cone segments and straightway, uniform 3～10 circular holes that diameter is 4mm ~ 20mm on the circumference of cone segments and straightway intersection, and on the cone segments inwall of each circular hole, be carved with the groove of width less than Circularhole diameter, the groove that a circular hole position is wherein arranged is the groove that runs through die sleeve inwall in the whole pretension, and this is enclosed within outside the cone segments of upper and lower core respectively to die sleeve;
The pretension collar---this collar is two, is a tubular part, and its collar lays respectively at the interior die sleeve outside of pretension up and down;
Tightening cushion---this pad is two, is a tubular sheeting spare, is enclosed within respectively on the upper and lower core, an end of the interior die sleeve of pretension and the pretension collar about withstanding on;
Pre-load nut---this nut is two, and its internal thread matches with the pretension thread segment external screw thread of upper and lower core, and its nut is hexagon or quick detachable shape;
Steady pin---this steady pin is the straight pin that section has a plane, is contained in the pin-and-hole of core.
Adopt technique scheme, when carrying out creep tension Annealing aligning heavy caliber, thin metallic tubd, only need to design and manufacture one or more sets annealing particular manufacturing crafts according to the tubing that will anneal, then this mould is contained on the tubing of the aligning of will annealing, determine counterweight tension force according to annealing schedule and pipe performance, take apart a die after the annealing and can proceed next furnace annealing test.Adopt this mould to test the manifold material by a stove, and can test the creep situation of tubing under differential tension, this mould is reusable.
The utlity model has following advantage and good effect:
Adopt the utility model, make metal pipe material annealing creep stretcher leveling become possibility, and can change the size of tension force as the case may be easily, make tubing after the annealing reach the requirement of higher linearity.
The utlity model has simple in structure, economical and practical, be easy to dismantle, be easy to apply tension force, easy to operate and safe and reliable characteristics.Be applicable to various rare metal light-wall pipe tensile creep straightening annealings, be particularly suitable for the occasion of the vertical vacuum creep stretcher leveling annealing of the large-caliber thin-walled tubing of titanium or titanium alloy.
Description of drawings
Fig. 1 is the structure chart of following core;
Fig. 2 is the structure chart of last core;
Fig. 3 is a pretension internal mold nested structure front view;
Fig. 4 is that pretension internal mold nested structure is surveyed view;
Fig. 5 is the structure chart of the pretension collar;
Fig. 6 is the structure chart of tightening cushion;
Fig. 7 is the structure chart of pre-load nut;
Fig. 8 is the front view of steady pin structure;
Fig. 9 is the side view of steady pin structure;
Figure 10 is a use assembling schematic diagram of the present utility model
The specific embodiment
A kind of metal pipe material aligning mould is characterized in that this mould comprises:
Last core 6: core adopts stainless steel or other heat resisting steel (looking annealing temperature determines) to make on this, be prepared from by a thick-walled pipe or rod, its profile is that the lower end is that cone segments 12, middle part are that pretension thread segment 13, upper end are that straightway is the body that an integral body is prepared from for 14 3 sections, is provided with a fixed pin holes 15 radially on straightway.
Following core 1: this time core adopts stainless steel or other heat resisting steel (looking annealing temperature determines) to make, be prepared from by a bar, its profile be the upper end for cone segments 11, middle part be that the cylindrical counterweight section that the end of pretension thread segment 10, lower end has a boss is that an integral body is prepared from for 9 three sections.
Die sleeve 5 in the pretension: die sleeve adopts stainless steel or other heat resisting steel (looking annealing temperature determines) to make in this pretension, it is a heavy wall tubular body, inner chamber is made up of bullet section 16, straightway 18 two parts, the circular hole 17 that uniform 3～10 diameters are φ 4mm～20mm on the circumference of cone segments and straightway intersection, and the cone segments of each circular hole is carved with the groove of width less than Circularhole diameter, the groove that a circular hole position is wherein arranged is the groove that runs through whole interior die sleeve, this die sleeve is upper and lower a pair of, is enclosed within respectively outside the cone segments of upper and lower core.
The pretension collar 4: this pretension collar adopts stainless steel or other heat resisting steel (looking annealing temperature determines) to make.It is a tubular part, and internal diameter is a principle can be enclosed within on the annealing tubing tightly, and this collar is two, lays respectively at outside the tubing that will anneal of die sleeve outside in the upper and lower pretension.
Tightening cushion 3: this tightening cushion adopts stainless steel or other heat resisting steel (looking the tubing annealing temperature determines) to make, it is a tubular sheeting spare, its external diameter is greater than pretension collar external diameter, internal diameter is greater than the diameter of die sleeve straightway in the pretension, this pad is two, be enclosed within respectively on the upper and lower core, withstand on an end of die sleeve, the pretension collar in the pretension.
Pre-load nut 2: this pre-load nut is two, adopt stainless steel or other heat resisting steel (deciding) to make on the tubing annealing temperature, it is one to have and last core, the following internal thread that matches of core external screw thread, profile can be four directions, six sides or other easy-off shape, and its appearance and size and tightening cushion are suitable.
Steady pin 7: this steady pin adopts stainless steel or heat resisting steel to make, and it is the straight pin that a section has a plane, is contained in the pin-and-hole of core.
The utility model will be further described below in conjunction with embodiment.
Select for use through multiple roll aligning, Φ 80 * 1.0TA that dimensional accuracy meets the demands
2Pure titanium pipe, the last core 6 that will prepare earlier is enclosed within the interior die sleeve 5 of pretension, the interior die sleeve 5 of pretension that will assemble core 6 is then put into 8 one of tubing, again the pretension collar 4 is enclosed within on same the outer surface of tubing, tightening cushion 3 is enclosed within on the core 6, goes up pre-load nut 2 then, till pretension internal mold cover tightly blocks tubing 8, promptly assembled the fixedly pretension mould of usefulness of going up of tubing, seen shown in Figure 10 right half part.
Begin to assemble the mould of tubing other end below again, concrete steps are as follows:
To descend core 1 to be enclosed within the interior die sleeve 5 of pretension earlier, the interior die sleeve 5 of pretension that will assemble down core 1 is then put into tubing 8 another heads, the pretension collar 4 is enclosed within on same outer surface of tubing, tightening cushion 3 is enclosed within down on the core 1, again pre-load nut 2 is contained in down on the pretension screw thread of core 1, die sleeve 1 tightly blocks till the tubing 8 in pretension, has promptly assembled the following counterweight pretension mould of tubing, sees shown in Figure 10 left-half.
The steady pin 7 that the tubing that assembles all moulds is used on the core fixed pin holes is assemblied on the top assembly fixture of the vertical Equipment for Heating Processing of vacuum, on demand at counterweight section 9 places of following core 1 configuration weight, makes it reach the tension force requirement then.
Can assemble the manifold material simultaneously by a stove so repeatedly, and can apply different tension force as required, carry out general conventional vacuum heat then, after heat treatment is intact, unload creep tension Annealing anchor clamps, promptly obtain the Φ 80 * 1.0TA of high linearity requirement
2Tubing.
Select for use through the multiple roll aligning, Φ 52 * 1.0Ti-3A1-2.5V titanium alloy pipe that dimensional accuracy meets the demands, the last core 6 that will prepare earlier is enclosed within the interior die sleeve 5 of pretension, the interior die sleeve 5 of pretension that will assemble core 6 is then put into 8 one of tubing, again the pretension collar 4 is enclosed within on same the outer surface of tubing, tightening cushion 3 is enclosed within on the core 6, go up pre-load nut 2 then, till pretension internal mold cover tightly blocks tubing 8, promptly assembled the fixedly pretension mould of usefulness of going up of tubing, seen shown in Figure 10 right half part.
Begin to assemble the mould of tubing other end below again, concrete steps are as follows:
To descend core 1 to be enclosed within the interior die sleeve 5 of pretension earlier, the interior die sleeve 5 of pretension that will assemble down core 1 is then put into tubing 8 another heads, the pretension collar 4 is enclosed within on same outer surface of tubing, tightening cushion 3 is enclosed within down on the core 1, again pre-load nut 2 is contained in down on the pretension screw thread of core 1, die sleeve 1 tightly blocks till the tubing 8 in pretension, has promptly assembled the following counterweight pretension mould of tubing, sees shown in Figure 10 left-half.
The steady pin 7 that the tubing that assembles all moulds is used on the core fixed pin holes is assemblied on the top assembly fixture of the vertical Equipment for Heating Processing of vacuum, on demand at counterweight section 9 places of following core 1 configuration weight, makes it reach the tension force requirement then.
Can assemble the manifold material simultaneously by a stove so repeatedly, and can apply different tension force as required, carry out general conventional vacuum heat then, after heat treatment is intact, unload creep tension Annealing anchor clamps, promptly obtained Φ 52 * 1.0Ti-3A1-2.5V titanium alloy pipe of high linearity requirement.
Embodiment 3:
Select for use through the die mould aligning, the section that dimensional accuracy meets the demands is 138 * 138, the Zr-4 zircaloy square tube material of wall thickness 1.5, the last core 6 that will prepare earlier is enclosed within the interior die sleeve 5 of pretension, the interior die sleeve 5 of pretension that will assemble core 6 is then put into 8 one of tubing, again the pretension collar 4 is enclosed within on same the outer surface of tubing, tightening cushion 3 is enclosed within on the core 6, go up pre-load nut 2 then, till pretension internal mold cover tightly blocks tubing 8, promptly assembled the fixedly pretension mould of usefulness of going up of tubing, seen shown in Figure 10 right half part.
Begin to assemble the mould of tubing other end below again, concrete steps are as follows:
To descend core 1 to be enclosed within the interior die sleeve 5 of pretension earlier, the interior die sleeve 5 of pretension that will assemble down core 1 is then put into tubing 8 another heads, the pretension collar 4 is enclosed within on same outer surface of tubing, tightening cushion 3 is enclosed within down on the core 1, again pre-load nut 2 is contained in down on the pretension screw thread of core 1, die sleeve 1 tightly blocks till the tubing 8 in pretension, has promptly assembled the following counterweight pretension mould of tubing, sees shown in Fig. 8 left-half.
The steady pin 7 that the tubing that assembles all moulds is used on the core fixed pin holes is assemblied on the top assembly fixture of the vertical Equipment for Heating Processing of vacuum, on demand at counterweight section 9 places of following core 1 configuration weight, makes it reach the tension force requirement then.
Can assemble the manifold material simultaneously by a stove so repeatedly, and can apply different tension force as required, carry out general conventional vacuum heat then, after heat treatment is intact, unload creep tension Annealing anchor clamps, the section that has promptly obtained high linearity requirement is 138 * 138, the Zr-4 zircaloy square tube material of wall thickness 1.5.
Claims (1)
1. a metal pipe material is aligned mould, it is characterized in that this mould comprises:
Last core---its profile is that the lower end is a cone segments, the middle part is the pretension thread segment, the upper end is that three sections of straightway are the holistic body that is prepared from by stainless steel or heat resisting steel, external diameter between cone segments and pretension thread segment is less than the external diameter of pretension thread segment, is provided with a fixed pin holes radially on straightway;
Following core---its profile is that the upper end is cone segments, the middle part is the pretension thread segment, the end of lower end has three sections of cylindrical counterweight section of boss and is prepared from by stainless steel or heat resisting steel pole for holistic, and the external diameter between cone segments and pretension thread segment is less than the external diameter of pretension thread segment;
Die sleeve in the pretension---this die sleeve is a pair of up and down, be tubular body, the inner chamber of its tubular body is made of cone segments and straightway, uniform 3～10 circular holes that diameter is 4mm ~ 20mm on the circumference of cone segments and straightway intersection, and on the cone segments inwall of each circular hole, be carved with the groove of width less than Circularhole diameter, the groove that a circular hole position is wherein arranged is the groove that runs through die sleeve inwall in the whole pretension, and this is enclosed within outside the cone segments of upper and lower core respectively to die sleeve;
The pretension collar---this collar is two, is a tubular part, and its collar lays respectively at the interior die sleeve outside of pretension up and down;
Tightening cushion---this pad is two, is a tubular sheeting spare, is enclosed within respectively on the upper and lower core, an end of the interior die sleeve of pretension and the pretension collar about withstanding on;
Pre-load nut---this nut is two, and its internal thread matches with the pretension thread segment external screw thread of upper and lower core, and its nut is hexagon or quick detachable shape;
Steady pin---this steady pin is the straight pin that section has a plane, is contained in the pin-and-hole of core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420115243 CN2749596Y (en) | 2004-11-25 | 2004-11-25 | Metal pipe straightening die set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420115243 CN2749596Y (en) | 2004-11-25 | 2004-11-25 | Metal pipe straightening die set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2749596Y true CN2749596Y (en) | 2006-01-04 |
Family
ID=35822992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420115243 Expired - Lifetime CN2749596Y (en) | 2004-11-25 | 2004-11-25 | Metal pipe straightening die set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2749596Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103028636A (en) * | 2012-12-14 | 2013-04-10 | 西北有色金属研究院 | Straightening method of micro metal tube |
| CN104550334A (en) * | 2015-01-04 | 2015-04-29 | 苏州市新鸿基精密部品有限公司 | Verifying device for jumping, roundness and dimension of optical thin-wall long shaft sleeve |
| CN105344752A (en) * | 2015-11-26 | 2016-02-24 | 西安远航真空钎焊技术有限公司 | Shaping mold for conical thin-walled part |
| CN106424347A (en) * | 2016-05-27 | 2017-02-22 | 镇江市恒源汽车零部件有限公司 | Rounding and sizing processing mould for pipe fittings |
| CN110238465A (en) * | 2019-05-17 | 2019-09-17 | 陕西飞机工业（集团）有限公司 | A kind of cylindrical internal thread part school type tooling |
-
2004
- 2004-11-25 CN CN 200420115243 patent/CN2749596Y/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103028636A (en) * | 2012-12-14 | 2013-04-10 | 西北有色金属研究院 | Straightening method of micro metal tube |
| CN103028636B (en) * | 2012-12-14 | 2014-10-29 | 西北有色金属研究院 | Straightening method of micro metal tube |
| CN104550334A (en) * | 2015-01-04 | 2015-04-29 | 苏州市新鸿基精密部品有限公司 | Verifying device for jumping, roundness and dimension of optical thin-wall long shaft sleeve |
| CN104550334B (en) * | 2015-01-04 | 2016-09-14 | 苏州市新鸿基精密部品有限公司 | Optics thin-walled major axis set is beated, circularity and the calibration equipment of size |
| CN105344752A (en) * | 2015-11-26 | 2016-02-24 | 西安远航真空钎焊技术有限公司 | Shaping mold for conical thin-walled part |
| CN106424347A (en) * | 2016-05-27 | 2017-02-22 | 镇江市恒源汽车零部件有限公司 | Rounding and sizing processing mould for pipe fittings |
| CN110238465A (en) * | 2019-05-17 | 2019-09-17 | 陕西飞机工业（集团）有限公司 | A kind of cylindrical internal thread part school type tooling |
| CN110238465B (en) * | 2019-05-17 | 2020-11-13 | 陕西飞机工业（集团）有限公司 | Cylindrical internal thread part sizing tool |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101537466B (en) | Method for manufacturing aluminium alloy rings with high performance and low residual stress | |
| CN100584482C (en) | Rolling forming method of titanium alloy special-shaped ring forging | |
| CN103071743B (en) | Preparation method for TC11 titanium alloy small-bore thick-walled cylindrical part | |
| CN112475806B (en) | QCr0.8 alloy large-size conical-cylindrical ring forming process | |
| CN104190777B (en) | A kind of once-forming method of the integral panel of aluminium alloy without ageing strengthening based on autoclave | |
| CN2749596Y (en) | Metal pipe straightening die set | |
| CN1695885A (en) | Method for manufacturing extruded bar from magnesium alloy | |
| CN105665468A (en) | Preparation method for high-precision large-diameter thin-walled titanium tube | |
| CN214601213U (en) | Nonrust steel pipe machining is with equipment of bending | |
| Teng et al. | Deformation behavior of thin-walled tube bending with internal pressure | |
| CN219819420U (en) | Supporting structure in thin-wall pipe | |
| CN111238969B (en) | Fatigue test fixing device for composite material pipe | |
| CN100478098C (en) | Seamless forming method for cordiform bending cone abnormity thin wall cylinder | |
| Takahashi et al. | Effects of neck length on occurrence of cracking in tube spinning | |
| CN210414969U (en) | Mould for isostatic pressing of silicon carbide thin-walled tube | |
| CN1075840C (en) | Method for producing tubing products based on zircon alloys | |
| CN105499418B (en) | The reducing device and its application process of ultra-thin-wall cylindrical part | |
| CN104492849B (en) | A kind of preparation method of used by nuclear reactor hafnium square rod | |
| CN1045910C (en) | Drawing method for metal conic tube of integrated road lamp pole | |
| CN113477734A (en) | High-precision and high-strength ultrathin stainless steel pipe rectangular pipe forming die and cold drawing method | |
| CN111266436B (en) | Pit shape correction device and method for variable-section special-shaped pipe | |
| CN2741686Y (en) | Slope end surface cold extruding combined concave mold | |
| CN207057294U (en) | Band claw hollow cylinder and withdrawing pattern seat | |
| CN112718901A (en) | Preparation process and extrusion die for magnesium alloy pipe under multiple strain paths | |
| CN101037750A (en) | Aluminum alloy antenna pipe and manufacturing method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20141125 Granted publication date: 20060104 |