CN110227729B - Automatic clamping device for drawing thin-wall high-strength precise aluminum alloy pipe - Google Patents

Automatic clamping device for drawing thin-wall high-strength precise aluminum alloy pipe Download PDF

Info

Publication number
CN110227729B
CN110227729B CN201910618906.2A CN201910618906A CN110227729B CN 110227729 B CN110227729 B CN 110227729B CN 201910618906 A CN201910618906 A CN 201910618906A CN 110227729 B CN110227729 B CN 110227729B
Authority
CN
China
Prior art keywords
sliding
thin
aluminum alloy
wall high
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.)
Active
Application number
CN201910618906.2A
Other languages
Chinese (zh)
Other versions
CN110227729A (en
Inventor
刘志
王宪勇
魏晓磊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AECC Harbin Dongan Engine Co Ltd
Original Assignee
AECC Harbin Dongan Engine Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by AECC Harbin Dongan Engine Co Ltd filed Critical AECC Harbin Dongan Engine Co Ltd
Priority to CN201910618906.2A priority Critical patent/CN110227729B/en
Publication of CN110227729A publication Critical patent/CN110227729A/en
Application granted granted Critical
Publication of CN110227729B publication Critical patent/CN110227729B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • 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 invention relates to an automatic clamping device for drawing of a thin-wall high-strength precise aluminum alloy pipe, and belongs to the technical field of drawing of aluminum alloy pipes. Comprises an inner supporting mechanism, an outer clamping mechanism, a stripping mechanism and a fixed seat (5); the inner hole of the drawing process head of the thin-wall high-strength precision aluminum alloy pipe is supported by the inner supporting mechanism, the outer clamping mechanism limits the outer diameter of the drawing process head of the thin-wall high-strength precision aluminum alloy pipe, the inner supporting mechanism and the outer clamping mechanism work simultaneously to fix the drawing process head of the thin-wall high-strength precision aluminum alloy pipe, tension is uniformly applied to the inner hole and the outer circle of the drawing process head of the pipe in the drawing process to prevent pulling-off, the stripping mechanism pushes the inner supporting mechanism to be separated from the inner hole of the drawing head of the thin-wall high-strength aluminum pipe, the stripping mechanism pushes the outer clamping mechanism to be separated from the outer circle of the drawing head of the thin-wall high-strength aluminum pipe, the drawing head of the pipe is separated without clamping, and the automatic clamping multi-pass drawing process is completed under the condition of one-step head making.

Description

Automatic clamping device for drawing thin-wall high-strength precise aluminum alloy pipe
Technical Field
The invention relates to an automatic clamping device for drawing of a thin-wall high-strength precise aluminum alloy pipe, and belongs to the technical field of drawing of aluminum alloy pipes.
Background
The thin-wall high-strength precision aluminum alloy pipe adopts thick-wall hard aluminum or super hard aluminum alloy extruded pipe blank as a raw material. Due to poor extrusion manufacturability of the duralumin or the super-duralumin alloy, the wall thickness of the pipe is large, the drawing deformation processing procedures are more in the forming processing process of the high-precision aluminum alloy pipe, and the pipe with the finished size can be obtained by repeatedly drawing. To realize the drawing process, the tube needs to be manufactured into a drawing process head firstly so as to pass through a drawing die, and then the drawing head is clamped by a drawing clamping device to be drawn, so that the tube passes through the die to realize deformation processing. The common pipe adopts the traditional head making process and a drawing clamping device, the process drawing head is generally made into a square or round shape by a head making machine, and the outer circle of the pipe drawing process head is clamped by a clamping opening of the drawing clamping device for drawing operation. For thin-wall high-strength precise aluminum alloy pipes, because the drawing times are more, the common end manufacturing method cannot realize the use of the once-manufactured drawing head through multiple drawing operations, the drawing head needs to be cut off and the end needs to be manufactured again, so that the material is wasted, and the manufacturing cost is increased by manufacturing the end for multiple times; the wall thickness is thinner in the finished product stage, the clamping force is insufficient by adopting excircle clamping, the clamping is not firm and is easy to disengage, and the pipe is scrapped.
Disclosure of Invention
The invention relates to an automatic clamping device for drawing of a thin-wall high-strength precise aluminum alloy pipe, which can realize automatic clamping and multi-pass drawing under the condition of one-time head making.
The specific technical scheme of the invention is as follows: an automatic clamping device for drawing of thin-wall high-strength precise aluminum alloy pipes is characterized by comprising an inner supporting mechanism, an outer clamping mechanism, a material stripping mechanism and a fixed seat 5; the outer clamping mechanism is arranged on the fixed seat 5, the fixed seat 5 is connected with a drawing shaft 9 on equipment, the inner supporting mechanism is arranged in a sliding outer clamping tooth assembly 10 of the outer clamping mechanism, and the inner supporting mechanism supports an inner hole of a drawing process head of the thin-wall high-strength aluminum pipe 1; the outer clamping mechanism limits the outer diameter of the drawing process head of the thin-wall high-strength aluminum pipe 1; the internal supporting mechanism and the external clamping mechanism work simultaneously to fix the drawing process head of the thin-wall high-strength aluminum pipe 1; the stripping mechanism is arranged on an inner sliding seat 17 of the inner support mechanism.
The inner supporting mechanism also comprises a connecting bolt 8 and a sliding inner bayonet component 12.
The sliding inner latch assembly 12 is a split structure, and has a plurality of sliding inner latches which are combined to form a cylindrical surface on the outer surface and a toothed shape.
The outer clamping mechanism further comprises a supporting sliding body 4, a push rod a7, a push rod b (18), a plurality of fixing bolts 11, a sliding screw rod 19 and a large baffle plate 3.
The sliding outer latch assembly 10 is a split structure, and is a barrel-shaped structure composed of a plurality of sliding outer latches, the inner cylindrical surface has a tooth shape, and the outer portion is a pyramid surface.
The supporting sliding body 4 is a cylindrical rigid structure, the inner hole is a pyramid surface, and a dovetail groove structure is arranged along the pyramid surface.
A plurality of push rods b18 along the circumference equipartition on the through-hole of fixing base 5, sliding fit, front end and the contact of slip interior latch 12, the rear end is connected with the hydro-cylinder on the equipment.
A plurality of push rods a7 along the circumference equipartition on the through-hole of fixing base 5, sliding fit, the front end contacts with slip outer latch 10, the rear end is connected with the hydro-cylinder on the equipment.
The stripping mechanism comprises a small baffle plate 2, a sliding shaft 13, a spring b14, a fixed threaded sleeve 15 and a fixed nut 16.
The sliding shaft 13 provided with the spring b14 is arranged on an inner sliding seat 17 of the inner supporting mechanism through a fixed threaded sleeve 15.
The invention has the advantages that the inner hole of the drawing process head of the thin-wall high-strength precise aluminum alloy pipe 1 is supported by the inner supporting mechanism, the outer clamping mechanism limits the outer diameter of the drawing process head of the thin-wall high-strength precise aluminum alloy pipe 1, the inner supporting mechanism and the outer clamping mechanism work simultaneously to fix the drawing process head of the thin-wall high-strength precise aluminum alloy pipe 1, tension is uniformly applied to the inner hole and the outer circle of the drawing process head of the thin-wall high-strength precise aluminum alloy pipe 1 in the drawing process to prevent drawing-off, the stripping mechanism pushes the inner supporting mechanism to be separated from the inner hole of the drawing head of the thin-wall high-strength precise aluminum alloy pipe 1, the stripping mechanism pushes the outer clamping mechanism to be separated from the outer circle of the drawing head of the thin-wall high-strength precise aluminum alloy pipe 1, the drawing head of the thin-wall high-strength precise aluminum alloy pipe 1 is separated without clamping, and one-time head making is realized, and finishing the automatic clamping multi-pass drawing process.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Wherein: 1-thin-wall high-strength precision aluminum alloy pipe, 2-small baffle, 3-large baffle, 4-supporting sliding body, 5-fixed seat, 6-spring a, 7-push rod a, 8-connecting bolt, 9-drawing shaft, 10-sliding outer clamping tooth component, 11-fixing bolt, 12-sliding inner clamping tooth component, 13-sliding shaft, 14-spring b, 15-fixing threaded sleeve, 16-fixing nut, 17-inner sliding seat, 18-push rod b, 19-sliding screw
Detailed Description
The invention is further described below with reference to the accompanying drawings:
as shown in figure 1, the automatic clamping device for drawing the thin-wall high-strength precise aluminum alloy pipe. Comprises an inner supporting mechanism, an outer clamping mechanism, a stripping mechanism and a fixed seat 5; the inner supporting mechanism supports an inner hole of a drawing process head of the thin-wall high-strength precise aluminum alloy pipe 1, and prevents the sliding outer clamping tooth assembly 10 of the outer clamping mechanism from deforming in the process of clamping the process head and the process head from deforming in the drawing process, so that the clamping force is reduced and the process head is separated; the outer clamping mechanism limits the outer diameter of the drawing process head of the thin-wall high-strength precise aluminum alloy pipe 1, and prevents the sliding inner clamping tooth assembly 12 of the inner supporting mechanism from deforming the process head in the supporting process, and the process head deforms in the drawing process, so that the clamping force is reduced and the process head is disengaged; the inner supporting mechanism and the outer clamping mechanism work simultaneously to fix the drawing process head of the thin-wall high-strength precision aluminum alloy pipe 1 and prevent deformation, and tension is uniformly applied to the inner hole and the outer circle of the drawing process head of the thin-wall high-strength precision aluminum alloy pipe 1 in the drawing process to prevent pull-off and ensure that all angles of the drawing process of the thin-wall high-strength precision aluminum alloy pipe 1 are uniformly stressed and deformed uniformly; the stripping mechanism is under the action of a spring b14, a sliding shaft 13 of the inner support mechanism drives a small baffle 2 of the inner support mechanism to push a sliding inner clamping tooth component 12 of the inner support mechanism to move and to be stripped from an inner hole of a drawing head of a thin-wall high-strength precise aluminum alloy pipe 1, a sliding screw 19 of the outer clamping mechanism drives a large baffle 3 of the outer clamping mechanism to push a sliding outer clamping tooth component 10 of the outer clamping mechanism to move and to be stripped from an outer circle of the drawing head of the thin-wall high-strength precise aluminum alloy pipe 1 under the action of a spring a 6, and the drawing head of the thin-wall high-strength precise aluminum alloy pipe 1 is not clamped and is stripped, so that the stripping effect is realized.
The concrete structure includes: the fixed seat 5 is fixed with a drawing shaft 9 connected with the equipment through a screw rod 11. The internal stay mechanism includes: the connecting bolt 8, the sliding inner ratchet component 12, the inner sliding seat 17 and the plurality of push rods b18 are connected with the drawing shaft 9 through the connecting bolt 8. The outer clamping mechanism includes: the supporting sliding body 4, the push rod a7, a plurality of sliding outer clamping tooth assemblies 10, the sliding screw rod 19, the large baffle 3 and a plurality of fixing bolts 11, wherein the supporting sliding body 4 is arranged on the fixed seat 5 through the plurality of fixing bolts 11 which are evenly distributed along the circumference. The material taking-off mechanism comprises: the small baffle 2, the sliding shaft 13, the spring b14, the fixed threaded sleeve 15 and the fixed nut 16, wherein the sliding shaft 13 provided with the spring b14 is arranged on the inner sliding seat 17 through the fixed threaded sleeve 15 and can realize sliding, and the small baffle 2 is arranged on the sliding shaft 13 through the fixed nut 16; the sliding screw rod 19 provided with the spring 6 is connected with the large baffle 3 and is arranged on the fixed seat 5 through a threaded sleeve.
The working process is as follows: as shown in fig. 1. The drawing process head of the thin-wall high-strength precision aluminum alloy pipe 1 is positioned in a space formed by the sliding inner clamping tooth assembly 12 of the inner supporting mechanism and the sliding outer clamping tooth assembly 10 of the outer clamping mechanism, the sliding inner clamping tooth assembly 12 of the inner supporting mechanism drives the push rod b18 to move along the inner sliding seat 17 in the equipment oil cylinder to expand, and an inner hole of the drawing process head of the thin-wall high-strength precision aluminum alloy pipe 1 is supported. The sliding outer clamping tooth assembly 10 of the outer clamping mechanism drives the push rod a7 to slide and contract along the inclined plane of the supporting sliding body 4 under the driving of the equipment oil cylinder, so as to clamp the outer circle of the drawing process head of the thin-wall high-strength precision aluminum alloy pipe 1. The tooth shapes of the contact surfaces of the sliding inner clamping tooth component 12 and the sliding outer clamping tooth component 10 and the thin-wall high-strength precision aluminum alloy pipe 1 clamp the thin-wall high-strength precision aluminum alloy pipe 1. The automatic clamping device for drawing the thin-wall high-strength precise aluminum alloy pipe 1 pulls the thin-wall high-strength precise aluminum alloy pipe 1 to realize drawing processing through the inner die and the outer die under the driving of the drawing oil cylinder of the equipment through the fixed seat 5 and the drawing shaft 9. After drawing is finished, the equipment oil cylinder drives the push rod b18 to retract, the spring 14 drives the sliding shaft 13 and the small baffle 2 to push the sliding inner clamping tooth assembly 12 to move, the outer circle contracts and is separated from the inner hole of the drawing process head of the thin-wall high-strength precise aluminum alloy pipe 1; the equipment oil cylinder drives the push rod 7 to retract, and the spring 6 drives the sliding screw rod 19 and the large baffle 3 to push the sliding outer clamping tooth assembly 10 to expand and separate from the outer circle of the process drawing head of the thin-wall high-strength precise aluminum alloy pipe 1. Thus, the stripping of the thin-wall high-strength precise aluminum alloy pipe 1 is realized, and the drawing operation process is completed.

Claims (8)

1. An automatic clamping device for drawing of thin-wall high-strength precise aluminum alloy pipes is characterized by comprising an inner supporting mechanism, an outer clamping mechanism, a material stripping mechanism and a fixed seat (5); the outer clamping mechanism is arranged on the fixed seat (5), the fixed seat (5) is connected with a drawing shaft (9) on equipment, the inner supporting mechanism is arranged in a sliding outer clamping tooth assembly (10) of the outer clamping mechanism, and the inner supporting mechanism supports an inner hole of a drawing process head of the thin-wall high-strength precise aluminum alloy pipe (1); the outer clamping mechanism limits the outer diameter of a drawing process head of the thin-wall high-strength precise aluminum alloy pipe (1); the internal supporting mechanism and the external clamping mechanism work simultaneously to fix the drawing process head of the thin-wall high-strength precise aluminum alloy pipe (1); the material taking-off mechanism is arranged on an inner sliding seat (17) of the inner supporting mechanism, and comprises: the small baffle (2), a sliding shaft (13), a spring b (14), a fixed threaded sleeve (15) and a fixed nut (16), wherein the sliding shaft (13) provided with the spring b (14) is arranged on an inner sliding seat (17) through the fixed threaded sleeve (15) and can realize sliding, and the small baffle (2) is arranged on the sliding shaft (13) through the fixed nut (16); a sliding screw rod (19) provided with a spring (6) is connected with the large baffle (3) and is arranged on the fixed seat (5) through a threaded sleeve; the drawing process head of the thin-wall high-strength precise aluminum alloy pipe (1) is positioned in a space formed by a sliding inner clamping tooth assembly (12) of an inner supporting mechanism and a sliding outer clamping tooth assembly (10) of an outer clamping mechanism, the sliding inner clamping tooth assembly (12) of the inner supporting mechanism drives a push rod b (18) to move along an inner sliding seat (17) in an equipment oil cylinder to expand, and an inner hole of the drawing process head of the thin-wall high-strength precise aluminum alloy pipe (1) is supported; the sliding outer clamping tooth assembly (10) of the outer clamping mechanism slides and contracts along the inclined plane of the supporting sliding body (4) under the driving of the push rod a (7) of the equipment oil cylinder to clamp the excircle of the drawing process head of the thin-wall high-strength precise aluminum alloy pipe (1); the tooth shapes of the contact surfaces of the sliding inner clamping tooth component (12) and the sliding outer clamping tooth component (10) and the thin-wall high-strength precision aluminum alloy pipe are used for clamping the thin-wall high-strength precision aluminum alloy pipe (1); the drawing automatic clamping device for the thin-wall high-strength precise aluminum alloy pipe (1) draws the thin-wall high-strength precise aluminum alloy pipe (1) to realize drawing processing through the inner and outer dies under the driving of the drawing oil cylinder of the equipment through the fixed seat (5) and the drawing shaft (9); after drawing is finished, the equipment oil cylinder drives the push rod b (18) to retract, the spring b (14) drives the sliding shaft (13) and the small baffle (2) to push the sliding inner clamping tooth assembly (12) to move, the outer circle contracts and is separated from the inner hole of the drawing process head of the thin-wall high-strength precise aluminum alloy pipe (1); the equipment oil cylinder drives the push rod a (7) to retract, and the spring (6) drives the sliding screw rod (19) and the large baffle (3) to push the sliding outer clamping tooth assembly (10) to expand and separate from the outer circle of the process drawing head of the thin-wall high-strength precise aluminum alloy pipe (1) to finish the drawing operation process.
2. The automatic clamping device for drawing the thin-wall high-strength precise aluminum alloy pipe as claimed in claim 1, wherein the internal support mechanism further comprises a connecting bolt (8), a sliding internal clamping tooth assembly (12) and a plurality of push rods b (18).
3. The automatic clamping device for drawing the thin-wall high-strength precise aluminum alloy pipe as claimed in claim 2, wherein the sliding inner clamping tooth assembly (12) is of a split structure, and a plurality of sliding inner clamping teeth are combined to form a cylindrical surface on the outer surface and have a tooth shape.
4. The automatic clamping device for drawing the thin-wall high-strength precise aluminum alloy pipe according to claim 1, wherein the outer clamping mechanism further comprises a supporting sliding body (4), a push rod a (7), a push rod b (18), a plurality of fixing bolts (11), a sliding screw rod (19) and a large baffle plate (3).
5. The automatic clamping device for drawing the thin-wall high-strength precise aluminum alloy pipe as claimed in claim 1, wherein the sliding outer clamping tooth assembly (10) is of a split structure and is of a barrel-shaped structure consisting of a plurality of sliding outer clamping teeth, the inner cylindrical surface is of a tooth shape, and the outer portion is of a pyramid surface.
6. The automatic clamping device for drawing the thin-wall high-strength precise aluminum alloy pipe as claimed in claim 4, wherein the supporting sliding body (4) is of a cylindrical rigid structure, the inner hole is of a pyramid surface, and a dovetail groove structure is arranged along the pyramid surface.
7. The automatic clamping device for drawing the thin-wall high-strength precise aluminum alloy pipe as claimed in claim 4, wherein the plurality of push rods b (18) are uniformly distributed on the through holes of the fixing seat (5) along the circumference, are in sliding fit, the front ends of the push rods b are in contact with the sliding inner latches (12), and the rear ends of the push rods b are connected with an oil cylinder on equipment.
8. The automatic clamping device for drawing the thin-wall high-strength precise aluminum alloy pipe as claimed in claim 4, wherein the plurality of push rods a (7) are uniformly distributed on the through holes of the fixing seat (5) along the circumference, are in sliding fit, the front ends of the push rods a are in contact with the sliding outer latches (10), and the rear ends of the push rods a are connected with an oil cylinder on equipment.
CN201910618906.2A 2019-07-09 2019-07-09 Automatic clamping device for drawing thin-wall high-strength precise aluminum alloy pipe Active CN110227729B (en)

Priority Applications (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

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
CN110227729A CN110227729A (en) 2019-09-13
CN110227729B true CN110227729B (en) 2021-07-20

Family

ID=67854942

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910618906.2A Active CN110227729B (en) 2019-07-09 2019-07-09 Automatic clamping device for drawing thin-wall high-strength precise aluminum alloy pipe

Country Status (1)

Country Link
CN (1) CN110227729B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112620369B (en) * 2020-12-01 2022-11-22 浙江骏达钢管制造有限公司 Processing device for high-performance stainless steel seamless steel pipe
CN112974555B (en) * 2021-01-26 2023-03-24 北京航空航天大学江西研究院 Clamping structure for drawing high-temperature alloy thin-wall capillary tube
CN114055207B (en) * 2021-11-23 2022-09-09 内蒙古工业大学 Anti-deformation fixing equipment for tubular aluminum alloy machining
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

Family Cites Families (4)

* Cited by examiner, † Cited by third party
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
CN107252828B (en) * 2015-12-18 2019-03-15 河北鹏源塑胶制品有限公司 A kind of pipe material clamp
KR101942242B1 (en) * 2016-11-18 2019-01-28 동연스틸주식회사 Apparatus and method for manufacturing pipe having variable cross section

Also Published As

Publication number Publication date
CN110227729A (en) 2019-09-13

Similar Documents

Publication Publication Date Title
CN110227729B (en) Automatic clamping device for drawing thin-wall high-strength precise aluminum alloy pipe
CN113059016B (en) Thinning, stretching and extruding composite forming die for large-height-diameter ratio cylinder
CN101947606A (en) Insert mould pressing type necking machine
CN208276186U (en) A kind of slender rod type part fixture for processing
CN107695636B (en) Flywheel gear ring machining method and gear ring turning end face clamp thereof
US3263474A (en) Method and apparatus for forming splines
JP5609291B2 (en) Mandrel for manufacturing internal gear and method and apparatus for manufacturing internal gear using the mandrel
CN109731974A (en) VL type cage shapes component and its shapes method
CN200984593Y (en) Accurate steel-tube cold drawing machine chucking
CN201064809Y (en) Metal bellows shaping mold automatic mould separating mechanism
CN210435117U (en) Automatic correction mold structure for sleeve
CN111822640A (en) Novel draw bar tooling die
CN215508671U (en) Precise sizing device for purifier shell of exhaust system
CN106001144B (en) For producing the mold and equipment and application method of long spline
CN221313911U (en) Self-centering telescopic clamp
CN217452454U (en) Expansion sleeve clamp for gear shaping
CN213856372U (en) Connecting tool suitable for internal mold and core rod
CN219211327U (en) Quick positioning fixture of stamping die
CN219881062U (en) Stamping forming die for metal packaging can body
RU70829U1 (en) DEVICE FOR CLAMPING THE LENGTH PIPES ON A LATHE MACHINE
CN213225234U (en) Synchronizer gear sleeve pressing limiting groove clamp and machining device
CN113042559B (en) Thinning, stretching and extruding composite forming method for large-height-diameter-ratio cylinder
CN216369716U (en) Forming jig for 12-degree flange bolt not prone to displacement
CN219093593U (en) Core bar independent control die carrier structure
CN217451786U (en) Refrigerator drawing die with lifting ring

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant