CN110227729A - A kind of thin-wall high intensity precision aluminium alloy pipe drawing automatic clamping device - Google Patents
A kind of thin-wall high intensity precision aluminium alloy pipe drawing automatic clamping device Download PDFInfo
- Publication number
- CN110227729A CN110227729A CN201910618906.2A CN201910618906A CN110227729A CN 110227729 A CN110227729 A CN 110227729A CN 201910618906 A CN201910618906 A CN 201910618906A CN 110227729 A CN110227729 A CN 110227729A
- Authority
- CN
- China
- Prior art keywords
- thin
- clamping device
- wall high
- aluminium alloy
- alloy pipe
- 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.)
- Granted
Links
- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 47
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 24
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 24
- 239000004411 aluminium Substances 0.000 claims abstract description 24
- 239000000463 material Substances 0.000 claims abstract description 19
- 229910000737 Duralumin Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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
- B21C1/00—Manufacture of metal sheets, metal wire, metal rods, metal tubes by drawing
- B21C1/16—Metal drawing by machines or apparatus in which the drawing action is effected by other means than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, bars, or tubes
- B21C1/22—Metal drawing by machines or apparatus in which the drawing action is effected by other means than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, bars, or tubes specially adapted for making tubular articles
- B21C1/24—Metal drawing by machines or apparatus in which the drawing action is effected by other means than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, bars, or tubes specially adapted for making tubular articles by means of mandrels
-
- 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
- B21C1/00—Manufacture of metal sheets, metal wire, metal rods, metal tubes by drawing
- B21C1/16—Metal drawing by machines or apparatus in which the drawing action is effected by other means than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, bars, or tubes
- B21C1/27—Carriages; Drives
- B21C1/28—Carriages; Connections of grippers thereto; Grippers
-
- 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
- B21C1/00—Manufacture of metal sheets, metal wire, metal rods, metal tubes by drawing
- B21C1/16—Metal drawing by machines or apparatus in which the drawing action is effected by other means than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, bars, or tubes
- B21C1/34—Guiding or supporting the material or mandrels
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
- Clamps And Clips (AREA)
Abstract
The present invention relates to a kind of thin-wall high intensity precision aluminium alloy pipe drawing automatic clamping devices, belong to aluminium alloy pipe drawing technique field.Including interior support mechanism, outer clamping device, material removing mechanism, fixing seat (5);The present invention is supported by drawing process head inner hole of the interior support mechanism to thin-wall high-strength aluminium tube (1), outer clamping device limits the drawing process head outer diameter of thin-wall high-strength aluminium tube (1), interior support mechanism, outer clamping device, which works at the same time, fixes the drawing process head of thin-wall high-strength aluminium tube (1), pulling force is uniformly applied to tube-drawing technique head inner hole and outer circle simultaneously in drawing process, it prevents from pulling, material removing mechanism pushes interior support mechanism and thin-wall high-strength aluminium tube drawing head inner hole to disengage, material removing mechanism pushes outer clamping device and thin-wall high-strength aluminium tube drawing head outer circle to disengage, tube-drawing head is not disengaged by clamping action, in the case of the primary head processed of realization, complete automated exchanged cutter multi pass drawing technique.
Description
Technical field
The present invention relates to a kind of thin-wall high intensity precision aluminium alloy pipe drawing automatic clamping devices, belong to aluminium alloy pipe
Drawing technique field.
Background technique
Thin-wall high intensity precision aluminium alloy pipe raw material use heavy wall duralumin or extra super duralumin alloy extrusion tube blank.Due to hard
Aluminium or extra super duralumin alloy extrusion process are bad, cause its wall thickness larger, in high-precision aluminum alloy tube forming process drawing
Deformation processing process is more, and the tubing of finished size could be obtained by needing to be repeated drawing.Realize drawing process, it need to be by pipe
Drawing process head is first made in material, then to clamp drawing head by drawing clamping device and be drawn, make pipe by drawing mould
Material realizes deformation processing by mold.Common tubing uses traditional head technique processed and drawing clamping device, general by taking the lead
Machine technique drawing head is made rectangular or round, clamps tube-drawing technique head outer circle by drawing clamping device clamping opening, carries out
Drawing operation.For thin-wall high intensity precision aluminium alloy pipe, since drawing number is more, commonly head method processed be can not achieve more
Road drawing operates with primary drawing head obtained, needs to cut off drawing head, again head processed, in this way waste material, and needs
Repeatedly to increase manufacturing cost by head processed;Relatively thin to finished product stage wall thickness, using outer circle clamping, then chucking power is insufficient, easily clamps
It loosely disengages, and tubing is caused to scrap.
Summary of the invention
The present invention relates to a kind of thin-wall high intensity precision aluminium alloy pipe drawing automatic clamping devices, in primary head situation processed
Under, automated exchanged cutter multi pass drawing technique may be implemented.
The specific technical solution of the present invention: a kind of thin-wall high intensity precision aluminium alloy pipe drawing automatic clamping device,
It is characterized in that, including interior support mechanism, outer clamping device, material removing mechanism, fixing seat 5;Outer clamping device is mounted in fixing seat 5,
Fixing seat 5 is connect with the drawing axis 9 in equipment, and interior support mechanism is in the sliding wild card tooth assembly 10 of outer clamping device, inner support
Mechanism is supported to the drawing process head inner hole of thin-wall high-strength aluminium tube 1;Outer clamping device is to thin-wall high-strength aluminium tube 1
Drawing process head outer diameter limited;Interior support mechanism, outer clamping device work at the same time the drawer to thin-wall high-strength aluminium tube 1
Skill head is fixed;Material removing mechanism is mounted on the interior slide 17 of interior support mechanism.
The interior support mechanism further includes connection bolt 8, slides interior latch component 12.
Latch component 12 is splitted structure in the sliding, has in multiple slidings outer surface after latch combination form cylindrical surface
And there is flute profile.
The outer clamping device further includes support gliding mass 4, push rod a7, push rod b (18), multiple fixing bolts 11, sliding
Screw rod 19, big baffle 3.
Sliding wild card tooth assembly 10 is splitted structure, the barrel-like structure being made of latch outside multiple slidings, inner cylinder
There is flute profile in face, is external for pyramidal surface.
The support gliding mass 4 is cylindrical rigid structure, and inner hole is pyramidal surface, and has oat tail groove structure along the conical surface.
Multiple push rod b18 are uniformly distributed along the circumference on the through-hole of fixing seat 5, are slidably matched, card in front end and sliding
Tooth 12 contacts, and rear end is connect with the oil cylinder in equipment.
Multiple push rod a7 are uniformly distributed along the circumference on the through-hole of fixing seat 5, are slidably matched, front end and the outer latch of sliding
10 contacts, rear end is connect with the oil cylinder in equipment.
The material removing mechanism includes small front apron 2, sliding axle 13, spring b14, fixed swivel nut 15, fixture nut 16.
The sliding axle 13 equipped with spring b14 passes through fixed swivel nut 15 on the interior slide 17 of interior support mechanism.
The invention has the advantages that: the present invention by interior support mechanism to the drawing process head inner hole of thin-wall high-strength aluminium tube 1 into
Row support, outer clamping device limit the drawing process head outer diameter of thin-wall high-strength aluminium tube 1, interior support mechanism, outer clamping machine
Structure, which works at the same time, fixes the drawing process head of thin-wall high-strength aluminium tube 1, in drawing process simultaneously in tube-drawing technique head
Hole and outer circle uniformly apply pulling force, prevent from pulling, and material removing mechanism pushes interior support mechanism and thin-wall high-strength aluminium tube drawing head inner hole
It disengages, material removing mechanism pushes outer clamping device and thin-wall high-strength aluminium tube drawing head outer circle to disengage, and tube-drawing head is not clamped
It acts on and disengages, in the case of realizing primary head processed, complete automated exchanged cutter multi pass drawing technique.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Wherein: 1- thin-wall high-strength aluminium tube, 2- small front apron, the big baffle of 3-, 4- support gliding mass, 5- fixing seat, 6- spring a,
7- push rod a, 8- connect bolt, 9- drawing axis, 10- sliding wild card tooth assembly, 11- fixing bolt, 12- slide in latch component,
13- sliding axle, the fixed swivel nut of 14- spring b, 15-, 16- fixture nut, slide, 18- push rod b, 19- sliding screw in 17-
Specific embodiment
The following further describes the present invention with reference to the drawings:
As shown in Figure 1, a kind of thin-wall high intensity precision aluminium alloy pipe drawing automatic clamping device.Including interior support mechanism,
Outer clamping device, material removing mechanism, fixing seat 5;Interior support mechanism is propped up the drawing process head inner hole of thin-wall high-strength aluminium tube 1
Support, prevents the sliding wild card tooth assembly 10 of outer clamping device from causing to deform to technique head clamping process, and in drawing process work
The deformation of skill head, chucking power become smaller and disengage;Outer clamping device is limited the drawing process head outer diameter of thin-wall high-strength aluminium tube 1
System prevents in the sliding of interior support mechanism latch component 12 to prop up process to technique head and causes to deform, and in drawing process technique
Head deformation, chucking power become smaller and disengage;Interior support mechanism, outer clamping device work at the same time the drawer to thin-wall high-strength aluminium tube 1
Skill head is fixed, and prevents from deforming, and is uniformly applied pulling force to tube-drawing technique head inner hole and outer circle simultaneously in drawing process, is prevented
It pulls, and keeps each angular uniform stressed deformation of tube-drawing process uniform;Material removing mechanism is the inner support machine under spring b14 effect
The sliding axle 13 of structure drives the small front apron 2 of interior support mechanism, pushes the movement of latch component 12 and and thin-walled in the sliding of interior support mechanism
High-strength aluminium tube drawing head inner hole disengages, and under the effect of spring a 6, the sliding screw 19 of outer clamping device drives outer material removing mechanism
The big baffle 3 of clamping device, push the sliding wild card tooth assembly 10 of outer clamping device move and with thin-wall high-strength aluminium tube drawing
Head outer circle disengages, and tube-drawing head is not disengaged by clamping action, realizes de- material effect.
Specific structure includes: that fixing seat 5 is fixed by the drawing axis 9 that screw rod 11 is connect with equipment.Interior support mechanism includes: to connect
Bolt 8 slides interior latch component 12, interior slide 17, multiple push rod b18 composition, is connect by connection bolt 8 with drawing axis 9.Outside
Clamping device includes: support gliding mass 4, push rod a7, multiple sliding wild card tooth assemblies 10, sliding screw 19, big baffle 3, Duo Gegu
Determine the composition of bolt 11, support gliding mass 4 passes through the multiple fixing bolts 11 being circumferentially evenly distributed and is mounted in fixing seat 5.De- material
Mechanism includes: small front apron 2, sliding axle 13, spring b14, fixed swivel nut 15, fixture nut 16, the sliding axle 13 equipped with spring b14
Through fixed swivel nut 15 on interior slide 17, and it can realize sliding, small front apron 2 is mounted in sliding axle 13 by fixture nut 16
On;Sliding screw 19 equipped with spring 6 connects big baffle 3 and is mounted in fixing seat 5 by swivel nut.
The course of work: as shown in Figure 1.The drawing process head of thin-wall high-strength aluminium tube 1 is in card in the sliding of interior support mechanism
In the space that the sliding wild card tooth assembly 10 of tooth assembly 12 and outer clamping device is formed, latch component 12 in the sliding of interior support mechanism
It drives push rod b18 to move along interior slide 17 in equipment oil cylinder and expands, prop up the drawing process head inner hole of tubing 1.Outer clamping machine
The sliding wild card tooth assembly 10 of structure drives push rod a7 to shrink along support 4 inclined-plane lower slider of gliding mass in equipment oil cylinder, clamping tubing 1
Drawing process head outer circle.The tooth form of latch component 12 and sliding wild card tooth assembly 10 and tubing contact surface in sliding, by tubing card
Tightly.Through fixing seat 5 and drawing axis 9 under the drive of equipment drawing oil cylinder, tube-drawing automatic clamping device traction tubing passes through
Interior outer mold realizes drawing processing.After drawing, equipment oil cylinder drives push rod b18 to withdraw, and spring 14 drives 13 He of sliding axle
Small front apron 2, which pushes, slides interior 12 movement of latch component, and outer circle is shunk, separated with tube-drawing technique head inner hole;Equipment oil cylinder band
Dynamic push rod 7 is withdrawn, and spring 6 drives sliding screw 19 and big baffle 3 that the expansion of sliding wild card tooth assembly 10 is pushed to draw with pipe craft
The separation of plug outer circle.In this way, realizing tubing de- material, drawing operating process is completed.
Claims (10)
1. a kind of thin-wall high intensity precision aluminium alloy pipe drawing automatic clamping device, which is characterized in that including interior support mechanism, outside
Clamping device, material removing mechanism, fixing seat (5);Outer clamping device is mounted on fixing seat (5), the drawing in fixing seat (5) and equipment
Axis (9) connection is pulled out, for interior support mechanism in the sliding wild card tooth assembly (10) of outer clamping device, interior support mechanism is to thin-wall high-strength
The drawing process head inner hole of aluminium tube (1) is supported;Outer clamping device is the drawing process head to thin-wall high-strength aluminium tube (1)
Outer diameter is limited;Interior support mechanism, outer clamping device, which work at the same time, fixes the drawing process head of thin-wall high-strength aluminium tube (1);
Material removing mechanism is mounted on the interior slide (17) of interior support mechanism.
2. thin-wall high intensity precision aluminium alloy pipe drawing automatic clamping device as described in claim 1, which is characterized in that institute
The interior support mechanism stated further includes connection bolt (8), slides interior latch component (12), multiple push rod b (18).
3. thin-wall high intensity precision aluminium alloy pipe drawing automatic clamping device as claimed in claim 2, which is characterized in that institute
Stating latch component (12) in sliding is splitted structure, has in multiple slidings after latch combination outer surface form cylindrical surface and with teeth
Type.
4. thin-wall high intensity precision aluminium alloy pipe drawing automatic clamping device as described in claim 1, which is characterized in that institute
The outer clamping device stated further includes support gliding mass (4), push rod a (7), push rod b (18), multiple fixing bolts (11), sliding screw
(19), big baffle (3).
5. thin-wall high intensity precision aluminium alloy pipe drawing automatic clamping device as described in claim 1, which is characterized in that sliding
Dynamic wild card tooth assembly (10) are splitted structures, the barrel-like structure being made of latch outside multiple slidings, inner circular cylinder type with teeth,
Outside is pyramidal surface.
6. thin-wall high intensity precision aluminium alloy pipe drawing automatic clamping device as claimed in claim 4, which is characterized in that institute
The support gliding mass (4) stated is cylindrical rigid structure, and inner hole is pyramidal surface, and has oat tail groove structure along the conical surface.
7. thin-wall high intensity precision aluminium alloy pipe drawing automatic clamping device as claimed in claim 4, which is characterized in that institute
The multiple push rod b (18) stated are uniformly distributed along the circumference on the through-hole of fixing seat (5), are slidably matched, latch (12) in front end and sliding
Contact, rear end is connect with the oil cylinder in equipment.
8. thin-wall high intensity precision aluminium alloy pipe drawing automatic clamping device as claimed in claim 4, which is characterized in that institute
The multiple push rod a (7) stated are uniformly distributed along the circumference on the through-hole of fixing seat (5), are slidably matched, and front end connects with outer latch (10) is slided
Touching, rear end is connect with the oil cylinder in equipment.
9. thin-wall high intensity precision aluminium alloy pipe drawing automatic clamping device as described in claim 1, which is characterized in that institute
Stating material removing mechanism includes small front apron (2), sliding axle (13), spring b (14), fixed swivel nut (15), fixture nut (16).
10. thin-wall high intensity precision aluminium alloy pipe drawing automatic clamping device as claimed in claim 4, which is characterized in that
Sliding axle (13) equipped with (14) spring b passes through fixed swivel nut (15) on the interior slide (17) of interior support mechanism.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910618906.2A CN110227729B (en) | 2019-07-09 | 2019-07-09 | Automatic clamping device for drawing thin-wall high-strength precise aluminum alloy pipe |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910618906.2A CN110227729B (en) | 2019-07-09 | 2019-07-09 | Automatic clamping device for drawing thin-wall high-strength precise aluminum alloy pipe |
Publications (2)
Publication Number | Publication Date |
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CN110227729A true CN110227729A (en) | 2019-09-13 |
CN110227729B CN110227729B (en) | 2021-07-20 |
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Family Applications (1)
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CN201910618906.2A Active CN110227729B (en) | 2019-07-09 | 2019-07-09 | Automatic clamping device for drawing thin-wall high-strength precise aluminum alloy pipe |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112620369A (en) * | 2020-12-01 | 2021-04-09 | 上海浦营金属科技有限公司 | Processing device for high-performance stainless steel seamless steel pipe |
CN112974555A (en) * | 2021-01-26 | 2021-06-18 | 北京航空航天大学江西研究院 | Clamping structure for drawing high-temperature alloy thin-wall capillary tube |
CN114055207A (en) * | 2021-11-23 | 2022-02-18 | 内蒙古工业大学 | Tubulose aluminum alloy processing shape fixed equipment of preapring for an unfavorable turn of events |
CN114682641A (en) * | 2022-05-17 | 2022-07-01 | 安徽金铂新材料科技有限公司 | Quick forming die is used in processing of dysmorphism thin wall aluminum alloy |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN200970610Y (en) * | 2006-10-25 | 2007-11-07 | 中国航空工业第一集团公司北京航空制造工程研究所 | Clamp for preventing cross rib from cracking during forming of ribbed integral wall plate |
CN201399513Y (en) * | 2009-04-28 | 2010-02-10 | 中国重型机械研究院有限公司 | Inner supporting type extension rod mechanism for pipe bending equipment |
CN105665458A (en) * | 2015-12-18 | 2016-06-15 | 浙江恩华新材料科技有限公司 | Pipe clamp |
WO2018092966A1 (en) * | 2016-11-18 | 2018-05-24 | 동연스틸주식회사 | Apparatus and method for manufacturing pipe having variable cross-section |
-
2019
- 2019-07-09 CN CN201910618906.2A patent/CN110227729B/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN200970610Y (en) * | 2006-10-25 | 2007-11-07 | 中国航空工业第一集团公司北京航空制造工程研究所 | Clamp for preventing cross rib from cracking during forming of ribbed integral wall plate |
CN201399513Y (en) * | 2009-04-28 | 2010-02-10 | 中国重型机械研究院有限公司 | Inner supporting type extension rod mechanism for pipe bending equipment |
CN105665458A (en) * | 2015-12-18 | 2016-06-15 | 浙江恩华新材料科技有限公司 | Pipe clamp |
WO2018092966A1 (en) * | 2016-11-18 | 2018-05-24 | 동연스틸주식회사 | Apparatus and method for manufacturing pipe having variable cross-section |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112620369A (en) * | 2020-12-01 | 2021-04-09 | 上海浦营金属科技有限公司 | Processing device for high-performance stainless steel seamless steel pipe |
CN112974555A (en) * | 2021-01-26 | 2021-06-18 | 北京航空航天大学江西研究院 | Clamping structure for drawing high-temperature alloy thin-wall capillary tube |
CN114055207A (en) * | 2021-11-23 | 2022-02-18 | 内蒙古工业大学 | Tubulose aluminum alloy processing shape fixed equipment of preapring for an unfavorable turn of events |
CN114682641A (en) * | 2022-05-17 | 2022-07-01 | 安徽金铂新材料科技有限公司 | Quick forming die is used in processing of dysmorphism thin wall aluminum alloy |
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CN110227729B (en) | 2021-07-20 |
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Effective date of registration: 20240716 Address after: No.66, Songhua Road, core area of Hanan industrial new town, Harbin City, Heilongjiang Province Patentee after: Harbin Dongan High Precision Tube Shaft Manufacturing Co.,Ltd. Country or region after: China Address before: Heilongjiang province Harbin city 150066 Cottage Area Baoguo Street No. 51 Patentee before: AECC Harbin Dongan ENGINE Co.,Ltd. Country or region before: China |