CN107866477A - One kind uses countersunk head pumping nail thin-wall bush and its manufacturing process - Google Patents
One kind uses countersunk head pumping nail thin-wall bush and its manufacturing process Download PDFInfo
- Publication number
- CN107866477A CN107866477A CN201610858013.1A CN201610858013A CN107866477A CN 107866477 A CN107866477 A CN 107866477A CN 201610858013 A CN201610858013 A CN 201610858013A CN 107866477 A CN107866477 A CN 107866477A
- Authority
- CN
- China
- Prior art keywords
- wall
- formpiston
- countersunk head
- bushing
- thin
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/02—Stamping using rigid devices or tools
- B21D22/025—Stamping using rigid devices or tools for tubular articles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
The invention discloses one kind to use countersunk head pumping nail thin-wall bush and its manufacturing process, is characterized in that：Including base, bushing, formpiston and gland is moved back, the formpiston is arranged on base, is provided with bushing between the base and formpiston, and the gland that moves back is arranged on the upside of formpiston, the formpiston and is moved back and is provided with spring between gland, and manufacturing process is（1）It is fixed,（2）The installation of thin-wall pipes and central shaft,（3）The installation of spring housing and pushing pipe,（4）The installation of pushes against sleeve and formpiston,（5）Bushing countersunk head is shaped,（6）Remove external constraint,（7）Countersunk head bushing shapes；Advantages of the present invention improves product size precision, prevents bushing inner diameter and internal fillet buckling deformation, avoid the generation of unstability, so as to effectively improve product quality, wide market to improve product shaping quality.
Description
Technical field
The invention belongs to pumping nail class fastener thin-wall bush forming technique field, it is more particularly related to a kind of
With countersunk head pumping nail thin-wall bush and its manufacturing process.
Background technology
Pumping nail class fastener can also realize installation, and reliably due to that can realize that one side is installed on 7 ° of ramp structure
Property is good, is widely used in the isostructural connection of airframe, wing.Thin-wall bush be countersunk head pumping nail fastening system component it
One, interfere available for composite and connect, improve structure fatigue life.Bushing minimum wall thickness (MINI W.) is only 0.25mm, this kind of light-wall pipe
When shaping 100 ° of countersunk heads using the method for conventional ones unstability easily occurs for material structure, can not meet actual operation requirements.This hair
It is bright to realize that 100 ° of countersunk heads of thin-wall pipes shape without unstability using closed manufacturing process, forming dimension controllable precise, effectively carry
High product quality conformance, so as to ensure that accurate amount of interference carries out interference connection, improve connector fatigue life.
The size of the countersunk head angle of countersunk head thin-wall bush, under head fillet and barrel diameter is particularly important for interference installation,
Therefore these critical sizes need to strictly be controlled when shaping countersunk head thin-wall bush.It is improper easily using the method control of conventional ones
Angle of arrival face ftracture, and under head fillet accumulation excess metal or occur unstability, barrel diameter bend buckling effects interference
The accurate control of amount, easily causes product rejection, can not produce and meet the thin of high accuracy interference installation connection use demand
Wall liner set.The present invention in thin-wall bush forming process, adds support using the method for closed shaping inside bushing light-wall pipe
Core, the structure that outside is surrounded using overall profile, promote thin-wall bush progressively to extend near closed hollow ring using pushing pipe and shape,
Thin-wall bush forming quality can be improved, avoids the generation of unstability, so as to effectively improve product quality.
The content of the invention
Problem to be solved by this invention is to provide one kind countersunk head pumping nail thin-wall bush and its manufacturing process.
To achieve these goals, the technical scheme taken of the present invention is：
One kind uses countersunk head pumping nail thin-wall bush, including base, bushing, formpiston and moves back gland, and the formpiston is arranged on base, institute
State and bushing is provided between base and formpiston, the gland that moves back is arranged on the upside of formpiston, and the formpiston and moving back is set between gland
There is spring.
Preferably, the base includes heavy head profile and central shaft, the central shaft are arranged on heavy head profile straight up
Center, the top of the central shaft is chamfering structure, and the junction of the central shaft and heavy head profile is fillet structure.
Preferably, the bushing includes bushing outer pipe wall and bushing pipe material inner wall, the top of the bushing outer pipe wall
Center is provided with fillet outside bushing countersunk head exterior angle face and countersunk head, the top and center of the bushing pipe material inner wall
Position is provided with bushing countersunk head interior angle face and countersunk head internal fillet.
Preferably, the formpiston includes formpiston outer wall and formpiston inwall, is provided with the top of the formpiston outer wall on formpiston
Clamping position is held, step hole wall and countersunk head angle faces and knuckle are respectively arranged with the top and bottom of the formpiston inwall.
Preferably, the gland that moves back includes on the outside of outer tube wall and moves back gland inside pipe wall, top on the outside of the outer tube wall and
Center, which is respectively arranged with, moves back gland pressure head and fillet, and the bottom for moving back gland, which is provided with, moves back gland lower end.
Preferably, the countersunk head angle of the countersunk head pumping nail thin-wall bush is 100 °, and tube wall external diameter is Φ 5.05-6.55, interior
Footpath is Φ 4.55-5.90, fillet R0.5-0.6.
A kind of manufacturing process of countersunk head pumping nail thin-wall bush, comprises the following steps：
（1）It is fixed
Floor installation is fixed on equipment table top；
（2）The installation of thin-wall pipes and central shaft
Thin-wall pipes are inserted on the central shaft of the middle of the base, tubing upper end flushes with central shaft upper end；
（3）The installation of spring housing and pushing pipe
Then spring is inserted in the pushing pipe of pushes against sleeve lower end；
（4）The installation of pushes against sleeve and formpiston
Then the pushes against sleeve for packaging spring is loaded in formpiston；
（5）Shape bushing countersunk head
Then apply downward axial force to pushes against sleeve, its lower end is contacted with tubing, continue to be downwardly applied to thrust, thin-wall pipes
In the presence of pushes against sleeve, move down, constrained outside thin-wall pipes by formpiston die cavity, thin-wall pipes along base center axle
Inside is constrained by base support type face, and tubing gradually shapes bushing countersunk head along type face angle degree；
（6）Remove external constraint
After thin-wall pipes are shaped into countersunk head size in the presence of pushes against sleeve, formpiston and pushes against sleeve are moved upwards, are now removed
Thin-wall sleeve external constraint；
（7）Countersunk head bushing shapes
Then set ejection upwards is will push against under the reaction force of spring, now bushing exits formpiston, completes the shaping of countersunk head bushing
。
Beneficial effect：The invention provides one kind to use countersunk head pumping nail thin-wall bush and its manufacturing process, advantages of the present invention：
（1）Thin-walled countersunk head bushing is shaped using closed die, improves product shaping quality；（2）By mold cavity control product into
Shape size, precisely control product size, product size precision can be improved；Done using base center axle and supported inside thin-wall bush
Core, prevent bushing inner diameter and internal fillet buckling deformation；（3）In thin-wall bush forming process, added inside bushing light-wall pipe
Supporting-core, the structure that outside is surrounded using overall profile, thin-wall bush is promoted progressively to extend near closed hollow ring using pushing pipe
Shaping, avoids the generation of unstability, so as to effectively improve product quality, wide market.
Brief description of the drawings
Fig. 1 is countersunk head thin-wall bush closing shaping schematic diagram；
Fig. 2 is the structural representation of base；
Fig. 3 is the structural representation of bushing；
Fig. 4 is the structural representation of formpiston；
Fig. 5 is the structural representation of pushes against sleeve.
Wherein：1- bases, 2- bushings, 3- formpistons, 4- springs, 5- move back the heavy head profile of gland, 12-, 13- fillets, 14- centers
Axle, 15- chamferings, 21- bushing countersunk head exterior angles face, 22- countersunk heads outside fillet, 23- bushings outer pipe wall, 24- bushing countersunk heads
Interior angle face, 25- bush insides fillet, 26- bushings pipe material inner wall, 31- formpistons outer wall, 32- formpistons upper end clamping position,
33- countersunk heads angle faces, 34- knuckles, 35- formpistons inwall, 36- steps hole wall, 51- outer tube walls outside, 52- move back gland circle
Gland pressure head is moved back at angle, 53-, 54- moves back gland inside pipe wall, 55- moves back gland lower end.
Embodiment
Embodiment 1：
One kind uses countersunk head pumping nail thin-wall bush, including base 1, bushing 2, formpiston 3 and moves back gland 5, and the formpiston 3 is arranged on base
On 1, bushing 2 is provided between the base 1 and formpiston 3, the gland 5 that moves back is arranged on the upside of formpiston 3, the formpiston 3 and moves back
Spring 4 is provided between gland 5, the base 1 includes heavy head profile 12 and central shaft 14, the central shaft 14 are set straight up
Put in the center of heavy head profile 12, the top of the central shaft 14 is the structure of chamfering 15, the central shaft 14 and countersunk head type
The junction in face 12 is the structure of fillet 13, and the bushing 2 includes bushing outer pipe wall 23 and bushing pipe material inner wall 26, the bushing
The top and center of outer pipe wall 26 are provided with fillet 22 outside bushing countersunk head exterior angle face 21 and countersunk head, the bushing
The top and center of pipe material inner wall 26 are provided with bushing countersunk head interior angle face 24 and countersunk head internal fillet 25, the formpiston
3 include formpiston outer wall 31 and formpiston inwall 35, and the top of the formpiston outer wall 31 is provided with formpiston upper end clamping position 32, described
The top and bottom of formpiston inwall 35 are respectively arranged with step hole wall 35 and countersunk head angle faces 33 and knuckle 34, described to move back pressure
Set 5 includes outer tube wall outside 51 and moves back gland inside pipe wall 54, and 51 top and center are set respectively on the outside of the outer tube wall
Gland pressure head 53 and fillet 52 are moved back, the bottom for moving back gland 5, which is provided with, moves back gland lower end 55, the countersunk head pumping nail thin-walled lining
The countersunk head angle of set is 100 °, and tube wall external diameter is Φ 5.05, and internal diameter is Φ 4.55, and fillet R0.5, its manufacturing process is including such as
Lower step：
（1）It is fixed
Floor installation is fixed on equipment table top；
（2）The installation of thin-wall pipes and central shaft
Thin-wall pipes are inserted on the central shaft of the middle of the base, tubing upper end flushes with central shaft upper end；
（3）The installation of spring housing and pushing pipe
Then spring is inserted in the pushing pipe of pushes against sleeve lower end；
（4）The installation of pushes against sleeve and formpiston
Then the pushes against sleeve for packaging spring is loaded in formpiston；
（5）Shape bushing countersunk head
Then apply downward axial force to pushes against sleeve, its lower end is contacted with tubing, continue to be downwardly applied to thrust, thin-wall pipes
In the presence of pushes against sleeve, move down, constrained outside thin-wall pipes by formpiston die cavity, thin-wall pipes along base center axle
Inside is constrained by base support type face, and tubing gradually shapes bushing countersunk head along type face angle degree；
（6）Remove external constraint
After thin-wall pipes are shaped into countersunk head size in the presence of pushes against sleeve, formpiston and pushes against sleeve are moved upwards, are now removed
Thin-wall sleeve external constraint；
（7）Countersunk head bushing shapes
Then set ejection upwards is will push against under the reaction force of spring, now bushing exits formpiston, completes the shaping of countersunk head bushing.
Embodiment 2：
One kind uses countersunk head pumping nail thin-wall bush, including base 1, bushing 2, formpiston 3 and moves back gland 5, and the formpiston 3 is arranged on base
On 1, bushing 2 is provided between the base 1 and formpiston 3, the gland 5 that moves back is arranged on the upside of formpiston 3, the formpiston 3 and moves back
Spring 4 is provided between gland 5, the base 1 includes heavy head profile 12 and central shaft 14, the central shaft 14 are set straight up
Put in the center of heavy head profile 12, the top of the central shaft 14 is the structure of chamfering 15, the central shaft 14 and countersunk head type
The junction in face 12 is the structure of fillet 13, and the bushing 2 includes bushing outer pipe wall 23 and bushing pipe material inner wall 26, the bushing
The top and center of outer pipe wall 26 are provided with fillet 22 outside bushing countersunk head exterior angle face 21 and countersunk head, the bushing
The top and center of pipe material inner wall 26 are provided with bushing countersunk head interior angle face 24 and countersunk head internal fillet 25, the formpiston
3 include formpiston outer wall 31 and formpiston inwall 35, and the top of the formpiston outer wall 31 is provided with formpiston upper end clamping position 32, described
The top and bottom of formpiston inwall 35 are respectively arranged with step hole wall 35 and countersunk head angle faces 33 and knuckle 34, described to move back pressure
Set 5 includes outer tube wall outside 51 and moves back gland inside pipe wall 54, and 51 top and center are set respectively on the outside of the outer tube wall
Gland pressure head 53 and fillet 52 are moved back, the bottom for moving back gland 5, which is provided with, moves back gland lower end 55, the countersunk head pumping nail thin-walled lining
The countersunk head angle of set is 100 °, and tube wall external diameter is Φ 5.75, and internal diameter is Φ 5.05, and fillet R0.5, its manufacturing process is including such as
Lower step：
（1）It is fixed
Floor installation is fixed on equipment table top；
（2）The installation of thin-wall pipes and central shaft
Thin-wall pipes are inserted on the central shaft of the middle of the base, tubing upper end flushes with central shaft upper end；
（3）The installation of spring housing and pushing pipe
Then spring is inserted in the pushing pipe of pushes against sleeve lower end；
（4）The installation of pushes against sleeve and formpiston
Then the pushes against sleeve for packaging spring is loaded in formpiston；
（5）Shape bushing countersunk head
Then apply downward axial force to pushes against sleeve, its lower end is contacted with tubing, continue to be downwardly applied to thrust, thin-wall pipes
In the presence of pushes against sleeve, move down, constrained outside thin-wall pipes by formpiston die cavity, thin-wall pipes along base center axle
Inside is constrained by base support type face, and tubing gradually shapes bushing countersunk head along type face angle degree；
（6）Remove external constraint
After thin-wall pipes are shaped into countersunk head size in the presence of pushes against sleeve, formpiston and pushes against sleeve are moved upwards, are now removed
Thin-wall sleeve external constraint；
（7）Countersunk head bushing shapes
Then set ejection upwards is will push against under the reaction force of spring, now bushing exits formpiston, completes the shaping of countersunk head bushing.
Embodiment 3：
One kind uses countersunk head pumping nail thin-wall bush, including base 1, bushing 2, formpiston 3 and moves back gland 5, and the formpiston 3 is arranged on base
On 1, bushing 2 is provided between the base 1 and formpiston 3, the gland 5 that moves back is arranged on the upside of formpiston 3, the formpiston 3 and moves back
Spring 4 is provided between gland 5, the base 1 includes heavy head profile 12 and central shaft 14, the central shaft 14 are set straight up
Put in the center of heavy head profile 12, the top of the central shaft 14 is the structure of chamfering 15, the central shaft 14 and countersunk head type
The junction in face 12 is the structure of fillet 13, and the bushing 2 includes bushing outer pipe wall 23 and bushing pipe material inner wall 26, the bushing
The top and center of outer pipe wall 26 are provided with fillet 22 outside bushing countersunk head exterior angle face 21 and countersunk head, the bushing
The top and center of pipe material inner wall 26 are provided with bushing countersunk head interior angle face 24 and countersunk head internal fillet 25, the formpiston
3 include formpiston outer wall 31 and formpiston inwall 35, and the top of the formpiston outer wall 31 is provided with formpiston upper end clamping position 32, described
The top and bottom of formpiston inwall 35 are respectively arranged with step hole wall 35 and countersunk head angle faces 33 and knuckle 34, described to move back pressure
Set 5 includes outer tube wall outside 51 and moves back gland inside pipe wall 54, and 51 top and center are set respectively on the outside of the outer tube wall
Gland pressure head 53 and fillet 52 are moved back, the bottom for moving back gland 5, which is provided with, moves back gland lower end 55, the countersunk head pumping nail thin-walled lining
The countersunk head angle of set is 100 °, and tube wall external diameter is Φ 6.55, and internal diameter is Φ 5.90, and fillet R0.6, its manufacturing process is including such as
Lower step：
（1）It is fixed
Floor installation is fixed on equipment table top；
（2）The installation of thin-wall pipes and central shaft
Thin-wall pipes are inserted on the central shaft of the middle of the base, tubing upper end flushes with central shaft upper end；
（3）The installation of spring housing and pushing pipe
Then spring is inserted in the pushing pipe of pushes against sleeve lower end；
（4）The installation of pushes against sleeve and formpiston
Then the pushes against sleeve for packaging spring is loaded in formpiston；
（5）Shape bushing countersunk head
Then apply downward axial force to pushes against sleeve, its lower end is contacted with tubing, continue to be downwardly applied to thrust, thin-wall pipes
In the presence of pushes against sleeve, move down, constrained outside thin-wall pipes by formpiston die cavity, thin-wall pipes along base center axle
Inside is constrained by base support type face, and tubing gradually shapes bushing countersunk head along type face angle degree；
（6）Remove external constraint
After thin-wall pipes are shaped into countersunk head size in the presence of pushes against sleeve, formpiston and pushes against sleeve are moved upwards, are now removed
Thin-wall sleeve external constraint；
（7）Countersunk head bushing shapes
Then set ejection upwards is will push against under the reaction force of spring, now bushing exits formpiston, completes the shaping of countersunk head bushing.
The invention provides one kind to use countersunk head pumping nail thin-wall bush and its manufacturing process, advantages of the present invention：（1）Use envelope
Closed molds shape thin-walled countersunk head bushing, improve product shaping quality；（2）Product shaping size, essence are controlled by mold cavity
Really control product size, can improve product size precision；Supporting-core inside thin-wall bush is done using base center axle, prevents bushing
Internal diameter and internal fillet buckling deformation；（3）In thin-wall bush forming process, supporting-core is added inside bushing light-wall pipe, it is outside
The structure surrounded using overall profile, promote thin-wall bush progressively to extend near closed hollow ring using pushing pipe and shape, avoid losing
Steady generation, so as to effectively improve product quality, wide market.
Above-described is only the preferred embodiment of the present invention, it is noted that for one of ordinary skill in the art
For, without departing from the concept of the premise of the invention, various modifications and improvements can be made, these belong to the present invention
Protection domain.
Claims (7)
1. one kind uses countersunk head pumping nail thin-wall bush, it is characterised in that including base, bushing, formpiston and moves back gland, the formpiston is set
Put on base, be provided with bushing between the base and formpiston, the gland that moves back is arranged on the upside of formpiston, the formpiston and is moved back
Spring is provided between gland.
2. according to the countersunk head pumping nail thin-wall bush of one kind described in claim 1, it is characterised in that：The base includes countersunk head type
Face and central shaft, the central shaft are arranged on the center of heavy head profile straight up, and the top of the central shaft is chamfering
The junction of structure, the central shaft and heavy head profile is fillet structure.
3. according to the countersunk head pumping nail thin-wall bush of one kind described in claim 1, it is characterised in that：The bushing includes lining pipe
Material outer wall and bushing pipe material inner wall, the top and center of the bushing outer pipe wall are provided with bushing countersunk head exterior angle face
With fillet outside countersunk head, the top and center of the bushing pipe material inner wall are provided with bushing countersunk head interior angle face and countersunk head
Internal fillet.
4. according to the countersunk head pumping nail thin-wall bush of one kind described in claim 1, it is characterised in that：The formpiston is included outside formpiston
Wall and formpiston inwall, formpiston upper end clamping position, the top and bottom of the formpiston inwall are provided with the top of the formpiston outer wall
Portion is respectively arranged with step hole wall and countersunk head angle faces and knuckle.
5. according to the countersunk head pumping nail thin-wall bush of one kind described in claim 1, it is characterised in that：The gland that moves back includes outer tube
On the outside of wall and move back gland inside pipe wall, the top and center on the outside of the outer tube wall are respectively arranged with and move back gland pressure head and circle
Angle, the bottom for moving back gland, which is provided with, moves back gland lower end.
6. according to the countersunk head pumping nail thin-wall bush of one kind described in claim 1, it is characterised in that：The countersunk head pumping nail thin-walled lining
The countersunk head angle of set is 100 °, and tube wall external diameter is Φ 5.05-6.55, and internal diameter is Φ 4.55-5.90, fillet R0.5-0.6.
7. a kind of shape the method that countersunk head pumping nail thin-wall bush is used described in claim 1 to 6 any one, comprise the following steps：
（1）It is fixed
Floor installation is fixed on equipment table top；
（2）The installation of thin-wall pipes and central shaft
Thin-wall pipes are inserted on the central shaft of the middle of the base, tubing upper end flushes with central shaft upper end；
（3）The installation of spring housing and pushing pipe
Then spring is inserted in the pushing pipe of pushes against sleeve lower end；
（4）The installation of pushes against sleeve and formpiston
Then the pushes against sleeve for packaging spring is loaded in formpiston；
（5）Shape bushing countersunk head
Then apply downward axial force to pushes against sleeve, its lower end is contacted with tubing, continue to be downwardly applied to thrust, thin-wall pipes
In the presence of pushes against sleeve, move down, constrained outside thin-wall pipes by formpiston die cavity, thin-wall pipes along base center axle
Inside is constrained by base support type face, and tubing gradually shapes bushing countersunk head along type face angle degree；
（6）Remove external constraint
After thin-wall pipes are shaped into countersunk head size in the presence of pushes against sleeve, formpiston and pushes against sleeve are moved upwards, are now removed
Thin-wall sleeve external constraint；
（7）Countersunk head bushing shapes
Then set ejection upwards is will push against under the reaction force of spring, now bushing exits formpiston, completes the shaping of countersunk head bushing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610858013.1A CN107866477B (en) | 2016-09-28 | 2016-09-28 | Die and method for forming countersunk head nail-drawing thin-wall bushing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610858013.1A CN107866477B (en) | 2016-09-28 | 2016-09-28 | Die and method for forming countersunk head nail-drawing thin-wall bushing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107866477A true CN107866477A (en) | 2018-04-03 |
| CN107866477B CN107866477B (en) | 2020-05-05 |
Family
ID=61761768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610858013.1A Active CN107866477B (en) | 2016-09-28 | 2016-09-28 | Die and method for forming countersunk head nail-drawing thin-wall bushing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107866477B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110442982A (en) * | 2019-08-09 | 2019-11-12 | 南京工业大学 | Unilateral rivet pulling rivet structure for composite material and design method thereof |
| CN110814266A (en) * | 2019-11-30 | 2020-02-21 | 中国航空工业标准件制造有限责任公司 | Cross recess countersunk head screw hot-heading device |
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| JPH10325308A (en) * | 1997-05-26 | 1998-12-08 | Fuji Oozx Inc | Manufacturing method and equipment of hollow valve |
| DE102005021223A1 (en) * | 2005-05-07 | 2006-11-09 | Weber, Michael | Method for clamping end of tubular workpiece for high pressure moulding with the tube pushed onto a conical support and secured by a split outer clamping ring |
| CN202239366U (en) * | 2011-09-30 | 2012-05-30 | 南阳淅减汽车减振器有限公司 | Flaring device for dust-proof covers of shock absorbers |
| CN104475598A (en) * | 2014-11-25 | 2015-04-01 | 镇江利奥排气技术有限公司 | Processing device for high-precision pipe fitting molding tool |
| CN104889274A (en) * | 2015-05-14 | 2015-09-09 | 南通福乐达汽车配件有限公司 | Universal round tube necking and flaring forming tool |
| CN205183529U (en) * | 2015-12-01 | 2016-04-27 | 江西江铃底盘股份有限公司 | Compressible spacer flaring of front axle and shape combination processing mould that expands |
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2016
- 2016-09-28 CN CN201610858013.1A patent/CN107866477B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10325308A (en) * | 1997-05-26 | 1998-12-08 | Fuji Oozx Inc | Manufacturing method and equipment of hollow valve |
| DE102005021223A1 (en) * | 2005-05-07 | 2006-11-09 | Weber, Michael | Method for clamping end of tubular workpiece for high pressure moulding with the tube pushed onto a conical support and secured by a split outer clamping ring |
| CN202239366U (en) * | 2011-09-30 | 2012-05-30 | 南阳淅减汽车减振器有限公司 | Flaring device for dust-proof covers of shock absorbers |
| CN104475598A (en) * | 2014-11-25 | 2015-04-01 | 镇江利奥排气技术有限公司 | Processing device for high-precision pipe fitting molding tool |
| CN104889274A (en) * | 2015-05-14 | 2015-09-09 | 南通福乐达汽车配件有限公司 | Universal round tube necking and flaring forming tool |
| CN205183529U (en) * | 2015-12-01 | 2016-04-27 | 江西江铃底盘股份有限公司 | Compressible spacer flaring of front axle and shape combination processing mould that expands |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110442982A (en) * | 2019-08-09 | 2019-11-12 | 南京工业大学 | Unilateral rivet pulling rivet structure for composite material and design method thereof |
| CN110814266A (en) * | 2019-11-30 | 2020-02-21 | 中国航空工业标准件制造有限责任公司 | Cross recess countersunk head screw hot-heading device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107866477B (en) | 2020-05-05 |
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