CN107695237A - One kind is used for the necking of aero-engine tube assembly pipe end nut and receives pressure device - Google Patents
One kind is used for the necking of aero-engine tube assembly pipe end nut and receives pressure device Download PDFInfo
- Publication number
- CN107695237A CN107695237A CN201710997661.XA CN201710997661A CN107695237A CN 107695237 A CN107695237 A CN 107695237A CN 201710997661 A CN201710997661 A CN 201710997661A CN 107695237 A CN107695237 A CN 107695237A
- Authority
- CN
- China
- Prior art keywords
- guide
- pull bar
- pipe end
- end nut
- tube assembly
- 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
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Classifications
-
- 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
- B21D53/00—Making other particular articles
- B21D53/24—Making other particular articles nuts or like thread-engaging members
-
- 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
- B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
- B21D39/04—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of tubes with tubes; of tubes with rods
- B21D39/046—Connecting tubes to tube-like fittings
-
- 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
- B21D53/00—Making other particular articles
- B21D53/84—Making other particular articles other parts for engines, e.g. connecting-rods
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
It is used for the necking of aero-engine tube assembly pipe end nut the invention discloses one kind and receives pressure device, it, which is formed, includes cope plate, lower template, the first commutation switching mechanism, the second commutation switching mechanism, (the first back-moving spring, second back-moving spring and guiding mechanism；The first commutation switching mechanism include being fixed on the upper voussoir of cope plate, pull bar, the lower wedge block on pull bar, be fixed in lower template for support guide lower wedge block support block and the holder block of pull bar is installed；The second commutation switching mechanism includes connecting plate, the shape for hat voussoir being fixedly connected with connecting plate, the location-plate being fixed in lower template, the guide-rail plate being fixedly connected with location-plate, extrusion die, the positioning core axle on guide-rail plate and the guide support block being arranged on guide-rail plate of pull bar pulling.The present invention is the receipts pressure device of horizontal type structure, and the necking of pipe end nut can be carried out after conical surface pipe joint removes welding agent with conduit soldering, can avoid the reduction of tube assembly sealing property and surfacecti proteon performance.
Description
Technical field
The present invention relates to the tube assembly process technology in aero-engine, and in particular to one kind is used to process aero-engine
On tube assembly pipe end nut necking apparatus.
Background technology
The metal tubes of many conveying different fluid medium different sizes are disposed with outside the casing of aero-engine, due to boat
Empty engine installing space is narrow, and must not have any debris that is scattered inside and outside the aero-engine assembled, in order to prevent navigating
The conduit, pipe joint, pipe end nut that pipeline is formed during empty engine assembling are lost, generally by conduit, pipe joint and pipe end
Nut is first assembled into one.The outer metal tubes arranged of aero-engine casing, pipe joint are generally conical surface pipe joint, passed through
The horn mouth conical surface of conical surface pipe joint is connected by pipe end nut with the sealing joint on wheel chamber casing.The pipe end nut is generally adopted
With the pipe end nut of tail end necking, the tail end of pipe end nut is pressed into being formed at the neck of conical surface pipe joint by molding device
Necking, pipe end nut is linked together with conical surface pipe joint by necking, pipe end nut can opposing tapered surfaces pipe joint freely turn
It is dynamic, the horn mouth conical surface of conical surface pipe joint is connected with the sealing joint on wheel chamber casing.The other end of pipe joint passes through soldering
It is connected with conduit.
Tube assembly pipe end nut tail end is pressed into the molding device of formation necking at the neck of conical surface pipe joint, existing skill
Art is all to receive pressure device using vertical necking, in view of the structure limitation of pressure device is received in vertical necking, tube assembly (see Fig. 4-1)
Assembling processing, prior art are all that the neck that the tail end of pipe end nut is first pressed into conical surface pipe joint forms necking, then by conduit
It is brazed together with pipe joint, whole tube assembly is inserted soldering medicament, oxide scale layer are removed in alkali lye, acid solution afterwards.
The place of prior art tube assembly processing technology deficiency, inserts in tube assembly and soldering medicament, oxide scale layer is removed in alkali lye, acid solution
During, while the cooperation conical surface luminosity of pipe end nut overlay coating and pipe joint can be destroyed, greatly reduce tube assembly table
The sealing property and barrier propterty in face, the assembling to engine uses and the life-span produces extreme influence.To solve this problem, need
Redesign and manufacture a kind of new structure necking receipts pressure device, pipe end nut throat processing method is adjusted, by pipe end spiral shell
Female necking manufacturing procedure adjustment is after soldering corrosion process, to avoid the corrosion to pipe end nut surface and the pipe joint conical surface from breaking
It is bad.
The content of the invention
In view of the deficienciess of the prior art, the aviation that is used to process that the purpose of the present invention aims to provide a kind of new construction is sent out
Pressure device is received in the necking of motivation tube assembly pipe end nut, is corroded the adjustment of pipe end nut necking manufacturing procedure in brazing flux with realizing
After process, avoid reducing the sealing property and surfacecti proteon performance of tube assembly.
Pressure device is received provided by the present invention for the necking of aero-engine tube assembly pipe end nut, it, which is formed, includes and molding
The cope plate of machine molding head connection, the lower template being placed on die work platform, the first commutation switching mechanism, the second commutation interpreter
Structure, (the first back-moving spring, second back-moving spring and guiding mechanism；The composition of the first commutation switching mechanism includes, and is fixed on
The upper voussoir of cope plate, pull bar, the lower wedge block for driving on pull bar pull bar axial movement, it is fixed in lower template and is used for branch
Support is oriented to the support block of lower wedge block, and is fixed on and is used for the holder block for installing pull bar in lower template, and upper voussoir leads to lower wedge block
Cross wedge surface and coordinate composition voussoir transmission, pull bar is axially displaceably arranged in holder block；The second commutation switching mechanism
Composition include, on pull bar pull bar pulling under move connecting plate, be fixedly connected with connecting plate shape for hat voussoir, consolidate
The location-plate that is scheduled in lower template, the guide-rail plate being fixedly connected with location-plate, it is arranged on guide-rail plate and shape for hat by guideway
Extrusion die that voussoir matches, installed in the supercentral positioning core axle of guide-rail plate and axially slidably it is arranged on positioning core axle
For the guide support block of support guide extrusion die, the wedge surface of the shape for hat driving voussoir is the cone positioned at conical bore in the middle part of crown
Face, the guide support face of the guide support block is male cone (strobilus masculinus), and the positioning core axle is designed with installation pipe end nut to be processed
Mounting structure, the extrusion die is cone cylinder structure, by the extruding module composition of 6~10 pieces of extrusion lugs being designed with, extrusion die
The outer mold surface of block is the conical surface to match with the shape for hat voussoir conical surface, and inner mold face is the conical surface matched with guide support block male cone (strobilus masculinus),
All the extrusion lug in extruding module forms the extrusion mouth to match with pipe end nut necking to be processed；(the first back-moving spring set
Put on pull bar, one end acts on holder block, and the other end acts on connecting plate；Second back-moving spring is mounted on guide-rail plate
Spring guide groove in, one end acts on guide-rail plate, and the other end acts on guide support block bottom；The guiding mechanism by positioned at
Pull bar both sides are fixed on the guide sleeve of cope plate or lower template and are fixed on lower template or the lead composition of cope plate.
In order to which the purpose of the present invention is better achieved, the present invention can also further take following technical measures.Following items
Technical measures can individually be taken, and also can be combined and take, or even take in the lump.
In the above-mentioned technical proposal of the present invention, the holder block, which is preferentially arranged in lower template, to be led to upper voussoir
To spacing position, holder block carries out guide and limit by vertical plane to upper voussoir.The holder block is preferably provided a side pressure
Block carries out guide and limit to upper voussoir.Side pressing block can select the more preferable material of wearability to make, by side pressing block to upper voussoir
Guide and limit is carried out, manufacturing cost can be reduced, improve the service life of holder block.
In the above-mentioned technical proposal of the present invention, the support block is preferentially preferably provided a guide pad and lower wedge block is propped up
Support is oriented to.Guide pad can select the more preferable material of wearability to make, and upper voussoir is oriented to by guide pad, can be reduced
Manufacturing cost, improve the service life of support block.
In the above-mentioned technical proposal of the present invention, lower wedge block can drive pull bar to move by the fastening screw nut being fixed on pull bar
It is dynamic；Also by other structures on pull bar pull bar can be driven to move, such as shoulder structure.The pull bar is preferentially pulled by its shoulder
Connecting plate moves；Also by his structure being fixed on pull bar connecting plate can be pulled to move, is such as fixed on pull bar and tight spiral shell
Mother etc..
In the above-mentioned technical proposal of the present invention, the mounting structure that the positioning core axle installs pipe end nut to be processed is preferential
Using the seam matched with pipe end nut profile surface.It can certainly take other mounting structures that pipe end nut to be processed is installed, such as
Screw thread pair mounting structure.
In the above-mentioned technical proposal of the present invention, the upper voussoir preferentially uses middle part to be designed with having for card appearance pull bar
The upper voussoir of U-typed groove, upper voussoir drive lower wedge block by the wedge surface on inverted " u " type groove both sides.
In the above-mentioned technical proposal of the present invention, in order to further improve the stability for receiving pressure device operation, pressure device is received
Settable stabilizing mechanism, stabilizing mechanism may be designed to, including be fixedly installed in lower template two blocks, be fixedly installed on two gears
Two stabiliser bars on block and the structure hole being slidably matched on connecting plate with stabiliser bar, the positions of two blocks be located at holder block with
Pull bar both sides between location-plate.When holder block rigidity is good enough with intensity, and can be not provided with keeping off apart from less big with location-plate
Block, stabiliser bar is set directly in holder block.The position of two stabiliser bars is preferably that the plane that two stabiliser bars are formed is level
Face and above the pull bar.
Pressure device is received provided by the present invention for the necking of aero-engine tube assembly pipe end nut, is the pipe end of horizontal type structure
Pressure device is received in nut necking, is formed pipe end nut tail end is pressed into the necking down of conical surface pipe joint in the operation of necking, is only needed to be contracted
Mouthful pipe end nut be located in reducing device, tube assembly other parts are respectively positioned on that reducing device is external, i.e. the pipe end spiral shell of shrinkage waiting open
Mother be arranged on device positioning core axle positioning spigot, pipe end nut necking section is relative with the extrusion mouth of extrusion die, conical surface pipe joint with
Conduit is located at outside device.Therefore using the receipts pressure device of the present invention, conduit and pipe joint first can be subjected to soldering, with removing medicine
Agent removes the welding agent for splashing stain in tube assembly, and the pipe joint horn mouth conical surface is polished, makes up to the cooperation of requirement
Luminosity and then molding assembling is carried out to pipe end nut and conical surface pipe joint.Overcome and be pressed using the vertical receipts of prior art
Put and tube assembly is assembled, molding assembling can only be first carried out to pipe end nut and pipe joint, then pipe joint and conduit are carried out
Soldering, finally remove and splash stain matching somebody with somebody to pipe end nut overlay coating and pipe joint caused by the technique of soldering medicament in tube assembly
Conical surface luminosity corrosion failure is closed, and due to being connected to pipe end nut on pipe joint, it is impossible to again to conical surface pipe joint loudspeaker prostomum
Face is polished, and reduces the sealing property of the pipe joint horn mouth conical surface, the problems such as reducing the barrier propterty on tube assembly surface.
Tube assembly is assembled using the receipts pressure device of the present invention, by pipe end nut throat processing method by prior art
First molding necking after remove soldering medicament be adjusted to first to remove soldering medicament rear mold compression port, ensure that the surface of tube assembly is prevented
Performance and sealing property are protected, the assembling use to engine is eliminated and the life-span adversely affects.
Brief description of the drawings
Accompanying drawing 1 is the main view cross section structure diagram of receipts pressure device of the present invention.
Accompanying drawing 2 be in accompanying drawing 1 A-A to cross section structure diagram.
Accompanying drawing 3-1 is the main view cross section structure diagram for receiving extrusion die 21 described in pressure device.
Accompanying drawing 3-2 be in accompanying drawing 3-1 A to partial structural diagram.
Accompanying drawing 3-3 be in accompanying drawing 3-1 B to structural representation.
Accompanying drawing 4-1 is tube assembly structural representation.
Accompanying drawing 4-2 is local F mplifying structure schematic diagrams in accompanying drawing 4-1.
Each shown by reference numeral mark object is respectively in above-mentioned accompanying drawing：1- lower templates, 2- guide pads, 3- lower wedge blocks, 4- is simultaneously
Tight nut, 5- pull bars, 6- limited posts, 7- side pressing blocks, 8- hexagon socket head cap screws, the upper voussoirs of 9-, 10- alignment pins, 11- cope plates, 12-
Hexagon socket head cap screw, 13- guide sleeves, 14- leads, 15- holder blocks, 16- (the first back-moving springs, 17- connecting plates, 18- positioning
Plate, 19- hexagon socket head cap screws, 20- guide-rail plates, 21- extrusion dies, wherein 21-1 to 21-8 extrude modules to form 8 pieces of extrusion die；
22- shape for hat voussoirs, 23- second back-moving springs, 24- positioning core axles, 25- guide support blocks, 26- alignment pins, 27- alignment pins, 28-
Support block, 29- blocks, 30- stabiliser bars, 31- reinforcing plates, 32- conical surface pipe joints, 33- pipe end nuts, 34- conduits.
Embodiment
Embodiments of the invention are provided below in conjunction with the accompanying drawings, and present invention progress is further specifically retouched by embodiment
State.It is necessarily pointed out that embodiment is served only for, the invention will be further described, it is impossible to is interpreted as protecting the present invention
The limitation of scope, the person skilled in the art in the field can be made according to the content of the invention described above some nonessential improvement and
Adjustment is implemented, but such implementation should still fall within protection scope of the present invention.
Involved directional terminology up, down, left, right, before and after in embodiment, it is to be based on facing side shown in the drawings
Position.
Embodiment 1
It is used for the necking of aero-engine tube assembly pipe end nut described in the present embodiment and receives pressure device, assembling object is sent out for aviation
Tube assembly in motivation, as shown in accompanying drawing 4-1 and 4-2, the structure for receiving pressure device as shown in accompanying drawing 1,2,3-1 and 3-2,
Form the cope plate 11 for mainly including coupling with moulding press molding head, the commutation of lower template 1, first being placed on die work platform turns
Converting mechanism, the second commutation switching mechanism, (the first back-moving spring 16, second back-moving spring 23, guiding mechanism and stabilizing mechanism；It is described
The composition of first commutation switching mechanism includes, and to be fixed on cope plate be the upper voussoir 9 of unilateral wedge surface structure, pull bar 5, is arranged on
The lower wedge block 3 of the unilateral wedge surface structure matched on pull bar with upper voussoir, it is fixed in lower template for support guide lower wedge block
Support block 28, and be fixed on and be used for the holder block 15 for installing pull bar in lower template, its middle part design card of the upper voussoir, which holds, to be drawn
The inverted " u " type groove of bar, upper voussoir drive lower wedge block by the wedge surface on inverted " u " type groove both sides；The pull bar is axially displaceably pacified
In holder block, pull bar is moved by lower wedge block 3 by the driving axial of fastening screw nut 4 being fixed on pull bar；The holder block
The position of guide and limit can be carried out to upper voussoir by being arranged in lower template, and carry out the vertical plane of guide and limit to upper voussoir at it
Side is provided with the side pressing block 7 made by wear-resistant material, and guide and limit is carried out to upper voussoir by side pressing block；The support block 28
The guide pad 2 made by wear-resistant material is set in the upper side of its support guide lower wedge block, and support block is by guide pad under
Voussoir is supported guiding.
The composition of the second commutation switching mechanism includes, and it is implemented to draw by the shoulder on pull bar on pull bar 5
Dynamic connecting plate 17, the shape for hat voussoir 22 being fixedly connected with connecting plate, the location-plate 18 being fixed in lower template, consolidate with location-plate
Surely the guide-rail plate 20 that connects, be arranged on by guideway match on guide-rail plate with shape for hat voussoir extrusion die 21, installed in leading
Positioning core axle 24 in rail plate center mounting hole and axially slidably it is arranged on positioning core axle and is used for support guide extrusion die
Guide support block 25, the wedge surface of the shape for hat voussoir is the conical surface positioned at conical bore in the middle part of crown, the guide support block
Guide support face is outer conical surface, and the positioning core axle is designed with the installation seam for installing pipe end nut to be processed, the extruding
Mould is cone cylinder structure, and by the extruding module composition of 8 pieces of extrusion lugs being designed with, the outer mold surface for extruding module is and shape for hat wedge
The outer conical surface that block internal conical surface matches, inner mold face is matches internal conical surface with guide support block outer conical surface, all extruding
Extrusion lug in module forms the extrusion mouth to match with pipe end nut necking to be processed；(the first back-moving spring is nested with pull bar
On, one end acts on holder block, and the other end acts on connecting plate；The spring that second back-moving spring is mounted on guide-rail plate is led
Into groove, one end acts on guide-rail plate, and the other end acts on guide support block bottom；The guiding mechanism is by positioned at pull bar both sides
The guide sleeve 13 for being fixed on cope plate and the lead 14 for being fixed on lower template are formed.The composition of the stabilizing mechanism includes being located at
Two blocks 29 that are fixedly installed between holder block 15 and location-plate 18 in pull bar both sides in lower template, it is fixedly installed on two blocks
On two stabiliser bars 30 and the structure hole that is slidably matched on connecting plate 17 with stabiliser bar, plane where two stabiliser bars is positioned at drawing
Above bar.
Claims (10)
1. one kind, which is used for the necking of aero-engine tube assembly pipe end nut, receives pressure device, it is characterised in that including being molded with moulding press
The cope plate (11) of head connection, the lower template (1) being placed on die work platform, the first commutation switching mechanism, the second commutation conversion
Mechanism, (the first back-moving spring (16), second back-moving spring (23) and guiding mechanism；The composition bag of the first commutation switching mechanism
Include, be fixed on the upper voussoir (9) of cope plate, pull bar (5), the lower wedge block (3) for driving on pull bar pull bar axial movement, solid
The support block (28) for being used for support guide lower wedge block in lower template is scheduled on, and is fixed on and is used for the branch for installing pull bar in lower template
Saddle (15), the wedge surface of upper voussoir and the wedge surface of lower wedge block, which coordinate, forms voussoir transmission, and pull bar is axially displaceably arranged on
In holder block；The composition of the second commutation switching mechanism includes, and pulls mobile connecting plate by pull bar on pull bar
(17) the shape for hat voussoir (22) that, is fixedly connected with connecting plate, the location-plate (18) being fixed in lower template, fix and connect with location-plate
The guide-rail plate (20) that connects, it is arranged on by guideway the extrusion die to match on guide-rail plate with shape for hat voussoir (21), installed in leading
Positioning core axle (24) at rail plate center and axially slidably it is arranged on positioning core axle and is used for leading for support guide extrusion die
To support block (25), the wedge surface of the shape for hat driving voussoir is positioned at the conical surface of conical bore in the middle part of crown, the guide support block
Guide support face be male cone (strobilus masculinus), the positioning core axle is designed with the mounting structure for installing pipe end nut to be processed, the extruding
Mould is cone cylinder structure, and by the extruding module composition of 6~10 pieces of extrusion lugs being designed with, the outer mold surface for extruding module is and shape for hat
The conical surface that the voussoir conical surface matches, inner mold face are the conical surface matched with guide support block male cone (strobilus masculinus), all extrude squeezing in module
Belling block forms the extrusion mouth to match with pipe end nut necking to be processed；(the first back-moving spring is nested with pull bar, and one end is made
For holder block, the other end acts on connecting plate；Second back-moving spring is mounted in the spring guide groove on guide-rail plate, and one
End acts on guide-rail plate, and the other end acts on guide support block bottom；The guiding mechanism positioned at pull bar both sides by being fixed on
The guide sleeve of template or lower template (13) and it is fixed on the lead (14) of lower template or cope plate and forms.
2. according to claim 1 be used for aero-engine tube assembly pipe end nut necking receipts pressure device, it is characterised in that
The holder block (15) is arranged in lower template (1) can be to the position of upper voussoir (9) guide and limit.
3. according to claim 2 be used for aero-engine tube assembly pipe end nut necking receipts pressure device, it is characterised in that
The holder block carries out guide and limit by the side pressing block (7) being arranged on its guide and limit side to upper voussoir.
4. according to claim 1 be used for aero-engine tube assembly pipe end nut necking receipts pressure device, it is characterised in that
The support block (28) is supported guiding by the guide pad (2) being arranged on its support guide one side to lower wedge block (3).
5. according to claim 1 be used for aero-engine tube assembly pipe end nut necking receipts pressure device, it is characterised in that
Lower wedge block drives pull bar to move by the fastening screw nut (4) being fixed on pull bar.
6. according to claim 1 be used for aero-engine tube assembly pipe end nut necking receipts pressure device, it is characterised in that
The pull bar pulls connecting plate (17) mobile by its shoulder.
7. according to claim 1 be used for aero-engine tube assembly pipe end nut necking receipts pressure device, it is characterised in that
The mounting structure that the positioning core axle (24) installs pipe end nut to be processed is the seam matched with pipe end nut profile surface.
8. according to claim 1 be used for aero-engine tube assembly pipe end nut necking receipts pressure device, it is characterised in that
The upper voussoir is that middle part is designed with the inverted " u " type groove that card holds pull bar.
9. pressure device is received in the aero-engine tube assembly pipe end nut necking that is used for according to one of claim 1 to 8, it is special
Sign is that receiving pressure device is provided with stabilizing mechanism, and it forms two blocks (29) for including being fixedly installed in lower template, fixation is set
Two stabiliser bars (30) on two blocks and the structure hole being slidably matched on connecting plate (17) with stabiliser bar are put, two blocks
Position pull bar both sides between holder block and location-plate.
10. according to claim 9 be used for aero-engine tube assembly pipe end nut necking receipts pressure device, it is characterised in that
The position of two stabiliser bars is that its plane formed is horizontal plane and is located above pull bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710997661.XA CN107695237B (en) | 2017-10-23 | 2017-10-23 | One kind receiving pressure device for the nut necking of aero-engine tube assembly pipe end |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710997661.XA CN107695237B (en) | 2017-10-23 | 2017-10-23 | One kind receiving pressure device for the nut necking of aero-engine tube assembly pipe end |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107695237A true CN107695237A (en) | 2018-02-16 |
| CN107695237B CN107695237B (en) | 2019-04-12 |
Family
ID=61182111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710997661.XA Active CN107695237B (en) | 2017-10-23 | 2017-10-23 | One kind receiving pressure device for the nut necking of aero-engine tube assembly pipe end |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107695237B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109482751A (en) * | 2018-09-07 | 2019-03-19 | 邯郸市康迈液压器材有限公司 | Hose and rubber hose assembly are seperated laterally opened to collapse cold connection equipment and operating method |
| CN111167957A (en) * | 2018-11-12 | 2020-05-19 | 江门市利华实业有限公司 | Full-automatic punching press nut device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06114469A (en) * | 1991-10-23 | 1994-04-26 | Manbin:Kk | Method and device for fixing joiner to metallic sheet |
| EP0658384A2 (en) * | 1993-12-14 | 1995-06-21 | Motor Wheel Corporation | Method and apparatus for producing vehicule wheel rims |
| CN204247864U (en) * | 2014-12-03 | 2015-04-08 | 西安亚太航空技术有限公司 | The closing device of self-locking nut |
| CN205436886U (en) * | 2016-02-19 | 2016-08-10 | 苏州航天紧固件有限公司 | Automatic close device of self -locking nut |
| CN205436786U (en) * | 2015-12-12 | 2016-08-10 | 中国航空工业标准件制造有限责任公司 | Opening -shrinkage die |
-
2017
- 2017-10-23 CN CN201710997661.XA patent/CN107695237B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06114469A (en) * | 1991-10-23 | 1994-04-26 | Manbin:Kk | Method and device for fixing joiner to metallic sheet |
| EP0658384A2 (en) * | 1993-12-14 | 1995-06-21 | Motor Wheel Corporation | Method and apparatus for producing vehicule wheel rims |
| CN204247864U (en) * | 2014-12-03 | 2015-04-08 | 西安亚太航空技术有限公司 | The closing device of self-locking nut |
| CN205436786U (en) * | 2015-12-12 | 2016-08-10 | 中国航空工业标准件制造有限责任公司 | Opening -shrinkage die |
| CN205436886U (en) * | 2016-02-19 | 2016-08-10 | 苏州航天紧固件有限公司 | Automatic close device of self -locking nut |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109482751A (en) * | 2018-09-07 | 2019-03-19 | 邯郸市康迈液压器材有限公司 | Hose and rubber hose assembly are seperated laterally opened to collapse cold connection equipment and operating method |
| CN109482751B (en) * | 2018-09-07 | 2022-05-10 | 邯郸市康迈液压器材有限公司 | Split side-opening type shrinkage and expansion cold connecting equipment for hose and hose assembly and operation method |
| CN111167957A (en) * | 2018-11-12 | 2020-05-19 | 江门市利华实业有限公司 | Full-automatic punching press nut device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107695237B (en) | 2019-04-12 |
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