CN107413915A - A kind of bellows with straight section clamping device has capsule shaping dies - Google Patents
A kind of bellows with straight section clamping device has capsule shaping dies Download PDFInfo
- Publication number
- CN107413915A CN107413915A CN201710671022.4A CN201710671022A CN107413915A CN 107413915 A CN107413915 A CN 107413915A CN 201710671022 A CN201710671022 A CN 201710671022A CN 107413915 A CN107413915 A CN 107413915A
- Authority
- CN
- China
- Prior art keywords
- straight section
- clamping device
- pipe
- bellows
- curved bar
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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
- B21D26/00—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces
- B21D26/02—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure
- B21D26/033—Deforming tubular bodies
- B21D26/039—Means for controlling the clamping or opening of the moulds
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
A kind of bellows with straight section clamping device has capsule shaping dies, including die cap, the clamping device for matching and being clamped with the straight section of pipe is fixed with towards the one side in pipe in die cap, described clamping device includes rotary drive mechanism, multiple linkages and multiple chucks, multiple linkages are fixedly connected with rotary drive mechanism, multiple linkages are radial in the plane perpendicular with the drive shaft of rotary drive mechanism, chuck is connected with linkage, pass through the forward or reverse of rotary drive mechanism, chuck is promoted to compress or loosen the straight section of pipe.Utilize corresponding clamping device, larger clamping force is provided pipe straight section, increases the circumferential deformation of straight section, and then increase the frictional force of straight section and die inside wall, effectively pipe is overcome to prevent straight section from being extracted out in forming process from mould because of power F caused by axial plastic deformation.
Description
Technical field
The invention belongs to metal bellows hydraulic forming mold technical field, is related to a kind of ripple with straight section clamping device
Line pipe has capsule shaping dies.
Background technology
Metal bellows hydroforming process is divided into prima bulging stage and matched moulds shaping stage, in the prima bulging stage,
Bellows shaping dies position keeps constant, by increasing the hydroforming pressure in bellows pipe, forces bellows pipe
（Cylinder pattern）It is plastically deformed along cylinder circumferential and axial, forms prima.Mould pattern such as Fig. 1 of existing forming mode,
Shown in Fig. 2, in bellows forming process, straight section produces circumferential deformation by internal pressure, is tightly bonded, passes through with die cap madial wall
Mould action keeps fixing in the frictional force f on straight section.The length for depending mainly on the size of straight section of the power.When shaping is pressed
During power increase, bellows straight edge length also should suitably increase to improve frictional force f, prevent pipe from being produced because of axial plastic deformation
Power F straight section can be extracted out from die cap.For heavy wall bellows, straight section passes through increase because interior compressive strain is smaller
The effect that the mode of straight edge length increases frictional force f is limited, and the trend that straight section is extracted out from die cap is difficult to effectively overcome, most
Shaping can be caused to fail eventually.
The content of the invention
In order to solve the above technical problems, the present invention, which provides a kind of bellows with straight section clamping device, capsule finishing die
Tool, using corresponding clamping device, larger clamping force is provided pipe straight section, increase the circumferential deformation of straight section, and then
Increase the frictional force of straight section and die inside wall, effectively overcome pipe to prevent straight section because of power F caused by axial plastic deformation
Extracted out in forming process from mould.
To realize above-mentioned technical purpose, used technical scheme is：A kind of bellows with straight section clamping device has
Capsule shaping dies, including die cap, it is fixed with die cap towards the one side in pipe and matches with the straight section of pipe and carry out
The clamping device of clamping, described clamping device include rotary drive mechanism, multiple linkages and multiple chucks, rotation driving
The drive shaft of mechanism is overlapped with the center line of the straight section of pipe, and multiple linkages are fixedly connected with rotary drive mechanism,
Multiple linkages are radial in the plane perpendicular with the drive shaft of rotary drive mechanism, described linkage by
Curved bar one and curved bar two are formed, and one end of curved bar two is fixedly connected with the drive shaft of rotary drive mechanism, the other end of curved bar two with
One end of curved bar one is hinged, and chuck is hinged with the other end of curved bar one, and the total length of linkage of the chuck with deploying is more than
Or the radius size of the straight section equal to pipe, by the forward or reverse of rotary drive mechanism, chuck is promoted to the straight of pipe
Side section is compressed or loosened.
The outer that the lower section of clamping device of the present invention is provided with inner cover plate radially offers multiple guide grooves, is leading
Guide rod is provided with into groove, one end of guide rod is connected with curved bar one, and the other end of guide rod is penetrated in guide groove.
Described curved bar one is hinged by bearing pin two with chuck, and one end of bearing pin two is connected with curved bar one, bearing pin two it is another
One end penetrates in guide groove and is connected after guide groove stretching with chuck.
Multiple described linkages are connected in homogeneous radiation shape with rotary drive mechanism.
The chuck of the present invention face relative with the straight section of pipe is arc surface.
Die cap of the present invention is upper mould cover or lower die cap.
Present invention has the advantages that：The motion of chuck is driven by the rotation of rotary drive mechanism, realizes mould to ripple
The clamping function of pipe pipe straight section, sufficient clamping force is provided straight section, increase the circumferential deformation of straight section, and then increase
The frictional force of straight section and die inside wall, overcomes pipe effectively to prevent straight section because of power F caused by axial plastic deformation and existed
The problem of being extracted out in forming process from mould, reduce shaping mortality.
Brief description of the drawings
The mould pattern structural representation of the existing bellows forming modes of Fig. 1；
Fig. 2 is the mould pattern straight section stress sketch of existing bellows forming mode；
Fig. 3 is the structural representation of clamping device of the present invention；
Fig. 4 is the overlooking the structure diagram of clamping device of the present invention；
Fig. 5 is inner cap plate structure schematic diagram of the present invention；
Fig. 6 is the structural representation of the present invention；
Fig. 7 is the corrugated pipe forming structural representation of the present invention；
In figure：1. upper mould cover；2. chuck；3. curved bar one；4. bearing pin one；5. curved bar two；6. inner cover plate；7. rotating disk；8. upper cover plate；
9. rotary drive structure；10. support column；11. bearing pin two；12. inlet and outlet of fuel channel；13. hydraulic power unit；14. pipe；In 15.
Matrix；16. lip block；17. clamping device；18. guide groove；19. lower die cap.
Embodiment
As shown in figure 3, a kind of bellows with straight section clamping device has capsule shaping dies, including die cap, in die cap court
One side into pipe 14 is fixed with the clamping device 17 for matching and being clamped with the straight section of pipe 14, described folder
Tight device 17 includes rotary drive mechanism 9, multiple linkages and multiple chucks 2.Rotary drive mechanism 9 provides rotary power,
Rotary actuator can be used, rotary actuator is connected by inlet and outlet of fuel channel 12 with hydraulic power unit 13.
Die cap is used to provide support to pipe straight section and bellows end ripple in bellows forming process, form bellows into
Upper mould cover 1, the lower die cap 19 of shape；Die cap, inner cover plate 6 and upper cover plate 8 form the shell of straight section clamping device, are used inside die cap
In the associated components for placing clamping device；Upper cover plate 8 can be opened, and a whole set of clamping device is taken out.
The drive shaft of rotary drive mechanism 9 overlaps with the center line of the straight section of pipe 14, solid on rotary drive mechanism 9
Surely multiple linkages are connected, multiple linkages are radial to be in and perpendicular flat of the drive shaft of rotary drive mechanism 9
In face, the expansion and contraction of linkage are carried out in the plane perpendicular with the drive shaft of rotary drive mechanism 9, described
Linkage is made up of curved bar 1 and curved bar 25, and one end of curved bar 25 is fixedly connected with the drive shaft of rotary drive mechanism 9,
One end of the other end of curved bar 25 and curved bar 1 is hinged, and the be hinged free degree of curved bar 25 and curved bar 1 is not easy excessive, freedom
Degree is slightly larger than or equal to 180 °, and curved bar two is hinged with curved bar 1 by bearing pin 1, is hinged with the other end of curved bar 1
The total length of chuck 2, chuck 2 and the linkage of expansion is more than or equal to the radius size of the straight section of pipe 14, i.e. connecting rod
After mechanism deploying chuck 2 can be made to withstand on the inwall of straight section, by the forward or reverse of rotary drive mechanism 9, drive curved bar
25 rotations, are moved by curved bar 1 and transmitted, and promote chuck 2 to die cap madial wall closer or far from and then realizing the mould
The function of clamping and unclamp, chuck 2 is promoted to compress or loosen the straight section of pipe 14.
As shown in figure 5, the outer that the lower section of clamping device 17 is provided with inner cover plate 6 radially offers multiple guide grooves 18,
Guide rod is provided with guide groove 18, one end of guide rod is connected with curved bar 1, and the other end of guide rod penetrates guide groove 18
It is interior, guide rod is moved in guide groove 18 by expansion and the closure of linkage, that is, being oriented to slot length allows chuck 2 along interior
The radial direction of cover plate 6 moves freely in allowed band.
Curved bar 1 is be hinged by bearing pin 2 11 and chuck 2, and one end of bearing pin 2 11 is connected with curved bar 1, bearing pin 2 11
The other end is penetrated in guide groove 18 and is connected after the stretching of guide groove 18 with chuck 2.Bearing pin 2 11 perpendicular to curved bar 1, and with pendulum
Dynamic motor axis are parallel, and chuck 6 is located at the lower section of inner cover plate 6.
As shown in figure 4, multiple described linkages are connected in homogeneous radiation shape with rotary drive mechanism 9.
Described chuck 2 face relative with the straight section of pipe 14 is arc surface, collet shapes approximation cuboid, is ensured
There can be more fitting areas in clamping process with pipe, arc surface is designed with certain roughness requirement.
As shown in Figure 6,7, it is formed using a kind of bellows shaping dies with straight section clamping device, forming process
It is as follows：
A. bellows pipe mould is carried out to be loaded.Hydraulic power unit 13 is started, rotary actuator rotation is promoted, after pulling chuck 2
Move（Away from 1 die cap madial wall direction）, pipe 14 is put between chuck 2 and die cap side wall, is put into utricule, capsule in pipe
There is liquid in vivo, there is provided hydroforming pressure, treat middle matrix 15 have good positioning and then it is secondary start hydraulic power unit 13, push away
Dynamic rotary actuator rotation, pulls chuck 2 to move forward（Close to 1 die cap madial wall direction）, clamp pipe.
B carries out prima bulging using utricule bellows and matched moulds shapes, and after the completion for the treatment of bellows shaping, starts hydraulic power
Device 13, rotary actuator rotation is promoted, is moved after pulling chuck 2（Away from 1 die cap madial wall direction）, bellows straight section is unclamped,
Bellows is taken out, shaping is completed.
Claims (6)
1. a kind of bellows with straight section clamping device has capsule shaping dies, it is characterised in that：Including die cap, in die cap direction
Pipe（14）Interior one side is fixed with and pipe（14）The straight section clamping device that matches and be clamped（17）, it is described
Clamping device（17）Including rotary drive mechanism（9）, multiple linkages and multiple chucks（2）, rotary drive mechanism（9）'s
Drive shaft and pipe（14）Straight section center line overlap, in rotary drive mechanism（9）On be fixedly connected with multiple linkages,
Multiple linkages are radial to be in and rotary drive mechanism（9）The perpendicular plane of drive shaft in, described connecting rod machine
Structure is by curved bar one（3）With curved bar two（5）Composition, curved bar two（5）One end and rotary drive mechanism（9）Drive shaft fix connect
Connect, curved bar two（5）The other end and curved bar one（3）One end be hinged, curved bar one（3）The other end on be hinged with chuck（2）, chuck
（2）It is more than or equal to pipe with the total length of the linkage of expansion（14）Straight section radius size, pass through rotation driving
Mechanism（9）Forward or reverse, promote chuck（2）To pipe（14）Straight section compressed or loosened.
2. a kind of bellows with straight section clamping device as claimed in claim 1 has capsule shaping dies, it is characterised in that：Institute
The clamping device stated（17）Lower section be provided with inner cover plate（6）Outer radially offer multiple guide grooves（18）, in guide groove
（18）It is interior to be provided with guide rod, one end and the curved bar one of guide rod（3）Connection, the other end of guide rod penetrate guide groove（18）It is interior.
3. a kind of bellows with straight section clamping device as claimed in claim 2 has capsule shaping dies, it is characterised in that：Institute
The curved bar one stated（3）Pass through bearing pin two（11）With chuck（2）It is be hinged, bearing pin two（11）One end and curved bar one（3）Connection, bearing pin
Two（11）The other end penetrate guide groove（18）It is interior from guide groove（18）After stretching with chuck（2）Connection.
4. a kind of bellows with straight section clamping device as claimed in claim 1 has capsule shaping dies, it is characterised in that：It is more
Individual described linkage is in homogeneous radiation shape and rotary drive mechanism（9）Connection.
5. a kind of bellows with straight section clamping device as claimed in claim 1 has capsule shaping dies, it is characterised in that：Institute
The chuck stated（2）With pipe（14）The relative face of straight section be arc surface.
6. a kind of bellows with straight section clamping device as claimed in claim 1 has capsule shaping dies, it is characterised in that：Institute
The die cap stated is upper mould cover（1）Or lower die cap（19）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710671022.4A CN107413915B (en) | 2017-08-08 | 2017-08-08 | Bellows with bag forming die with straight-edge section clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710671022.4A CN107413915B (en) | 2017-08-08 | 2017-08-08 | Bellows with bag forming die with straight-edge section clamping device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107413915A true CN107413915A (en) | 2017-12-01 |
| CN107413915B CN107413915B (en) | 2023-05-02 |
Family
ID=60436629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710671022.4A Active CN107413915B (en) | 2017-08-08 | 2017-08-08 | Bellows with bag forming die with straight-edge section clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107413915B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117358817A (en) * | 2023-12-07 | 2024-01-09 | 沈阳仪表科学研究院有限公司 | Plastic forming device and plastic forming method for metal corrugated pipe |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH091249A (en) * | 1995-06-20 | 1997-01-07 | Showa Rasenkan Seisakusho:Kk | Formation of metallic bellows for bulging and apparatus for forming metallic bellows |
| JPH10277660A (en) * | 1997-04-11 | 1998-10-20 | Hitachi Ltd | Method and device for hydrostatic forming, manufacture of bellows, and tubular structure |
| CN101367100A (en) * | 2008-08-15 | 2009-02-18 | 芜湖浩达金属制品有限公司 | Copper corrugated pipe helical corrugation forming apparatus and forming process |
| CN101418878A (en) * | 2008-11-28 | 2009-04-29 | 王刚 | Method for manufacturing titan and titan alloy bellows |
| CN106040811A (en) * | 2016-07-14 | 2016-10-26 | 燕山大学 | Large-diameter corrugated pipe vibration forming device and method |
| CN106090453A (en) * | 2016-08-30 | 2016-11-09 | 洛阳双瑞特种装备有限公司 | A kind of variable-diameter corrugated pipe and forming method thereof |
| CN207222669U (en) * | 2017-08-08 | 2018-04-13 | 洛阳双瑞特种装备有限公司 | A kind of bellows with straight section clamping device has capsule shaping dies |
-
2017
- 2017-08-08 CN CN201710671022.4A patent/CN107413915B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH091249A (en) * | 1995-06-20 | 1997-01-07 | Showa Rasenkan Seisakusho:Kk | Formation of metallic bellows for bulging and apparatus for forming metallic bellows |
| JPH10277660A (en) * | 1997-04-11 | 1998-10-20 | Hitachi Ltd | Method and device for hydrostatic forming, manufacture of bellows, and tubular structure |
| CN101367100A (en) * | 2008-08-15 | 2009-02-18 | 芜湖浩达金属制品有限公司 | Copper corrugated pipe helical corrugation forming apparatus and forming process |
| CN101418878A (en) * | 2008-11-28 | 2009-04-29 | 王刚 | Method for manufacturing titan and titan alloy bellows |
| CN106040811A (en) * | 2016-07-14 | 2016-10-26 | 燕山大学 | Large-diameter corrugated pipe vibration forming device and method |
| CN106090453A (en) * | 2016-08-30 | 2016-11-09 | 洛阳双瑞特种装备有限公司 | A kind of variable-diameter corrugated pipe and forming method thereof |
| CN207222669U (en) * | 2017-08-08 | 2018-04-13 | 洛阳双瑞特种装备有限公司 | A kind of bellows with straight section clamping device has capsule shaping dies |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117358817A (en) * | 2023-12-07 | 2024-01-09 | 沈阳仪表科学研究院有限公司 | Plastic forming device and plastic forming method for metal corrugated pipe |
| CN117358817B (en) * | 2023-12-07 | 2024-04-16 | 沈阳仪表科学研究院有限公司 | Plastic forming device and plastic forming method for metal corrugated pipe |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107413915B (en) | 2023-05-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101396705B (en) | Metal barrel flanging device | |
| CN103691789A (en) | Method for forming end enclosure of large-sized thick-wall cylindrical blank in hot spinning manner | |
| CN104525671B (en) | For the device that the end socket with baffle plate is shaped and forming method | |
| CN207222669U (en) | A kind of bellows with straight section clamping device has capsule shaping dies | |
| CN107413915A (en) | A kind of bellows with straight section clamping device has capsule shaping dies | |
| CN102756046B (en) | Closing tool for end socket of air cylinder | |
| CN106653349A (en) | Winding equipment | |
| CN109277445B (en) | Fluid pressure forming device and method for metal corrugated pipe | |
| CN202087711U (en) | Air reservoir seal head seaming tool | |
| JP6061280B2 (en) | Metal bellows forming method for bulge processing and metal bellows forming apparatus | |
| CN116511327A (en) | Thin-wall conical tube forming die with flanging characteristic and method | |
| JP6710712B2 (en) | Metal bellows molding method for bulge processing and its molding device | |
| CN211464579U (en) | Hydraulic reaming machine | |
| CN205763607U (en) | A kind of nut hot forging feeding manipulator | |
| CN213826535U (en) | Pipe bending machine for office furniture | |
| US7299670B2 (en) | Method and apparatus for producing cylindrical components having bent portions | |
| CN214309854U (en) | Close ripples frock of corrugated metal pipe | |
| CN217512593U (en) | Sleeve buckling rounding die | |
| CN108372225A (en) | A kind of process of helical stator negative camber substep high pressure mold filling bulging | |
| CN217315233U (en) | Rotary arc bending device | |
| CN216369682U (en) | Pipe bender capable of providing hydraulic support | |
| CN105050740B (en) | Coiling machine for coiled metal band | |
| CN216989578U (en) | Shaping device of waste packaging barrel | |
| CN214022783U (en) | Auxiliary pushing die for side surface of high-pressure oil pipe | |
| CN112139418B (en) | Four-hammer progressive radial forging device and process for inner gear ring rigid wheel of harmonic reducer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: No.88, Binhe North Road, hi tech Zone, Luoyang City, Henan Province Applicant after: CSSC Shuangrui (Luoyang) special equipment Co.,Ltd. Address before: No.88, Binhe North Road, hi tech Zone, Luoyang City, Henan Province Applicant before: LUOYANG SUNRUI SPECIAL EQUIPMENT Co.,Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |