CN205599739U - Special hydraulic shock equipment of hydroforming hydraulic press - Google Patents
Special hydraulic shock equipment of hydroforming hydraulic press Download PDFInfo
- Publication number
- CN205599739U CN205599739U CN201620346017.7U CN201620346017U CN205599739U CN 205599739 U CN205599739 U CN 205599739U CN 201620346017 U CN201620346017 U CN 201620346017U CN 205599739 U CN205599739 U CN 205599739U
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- plunger
- flange
- pin bushing
- guide pin
- liquid
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Abstract
The utility model discloses a special hydraulic shock equipment of hydroforming hydraulic press, include and connect gradually the frame that forms by last flange, pull rod and lower flange, the upper portion and the lower part of frame are equipped with pneumatics portion and the high pressure portion of surging in proper order, pneumatics portion is including the pneumatic hammer subassembly, the pneumatic hammer subassembly is including hammer body and cylinder block, the high pressure portion of surging is including the plunger case subassembly, the plunger case subassembly includes plunger and combination cylinder body, the hammer body when strikeeing downwards with the last end face contaction of plunger. The utility model discloses the part that can have local structure such as little reentrant angle, little indentation, convex closure, protruding muscle with the mode processing that shaping most structure of low -speed and the local little structure of high -rate forming combined together.
Description
Technical field
This utility model relates to a kind of hydraulic impact equipment, sets particularly to a kind of liquid-filling shaping hydraulic machine dedicated hydraulic impact
Standby.
Background technology
At present, at present, along with development and the continuous advancement of science and technology of society, people increasingly pay attention to the finiteness of resource
The serious harm that environmental pollution with expanding day brings to the health of the mankind, the strategy of sustainable development and the Scientific Outlook on Development are day by day
Become the focus of people's common concern.Lightweight Technology is the effective way solving these problems, and lightweight is through using
Light material, optimized Structure Design reach a kind of advanced manufacturing technology of loss of weight purpose.Lightweight has two main paties:
One is material approach, it is simply that use the light materials such as aluminium alloy, magnesium alloy, titanium alloy and composite;Two is structural approaches,
Hollow variable cross-section, Varying-thickness thin-wall part etc. is used to optimize structure.
The light materials such as aluminium alloy have that density is little, specific strength and specific stiffness is higher, good springiness, shock resistance are good and phase
When a series of excellent characteristics such as high recycling rate, regeneration rates, therefore in the field such as Aero-Space, new-energy automobile by more
Carry out the most favors, but meanwhile these materials are generally of the features such as plasticity poor, difficult shaping, surface easily scuffing, pass
System technique can not meet the high accuracy of such material and shape, and the most traditional panel beating technique, its part can not be accurate
Shaping, when processing some baroque parts, forming quality can not meet the field pair such as Aero-Space, new-energy automobile
The prescription of parts.The parts using topping up forming technique to process Aero-Space and automotive field, but mesh more
In front topping up former, the shaping to partial structurtes such as the little re-entrant angle in some parts, little impressions, still can not reach
Precision in ideal, there is also the problem that the dimensional accuracy of the partial structurtes such as little re-entrant angle, little impression, convex closure, convex tendon is low.
Summary of the invention
This utility model provides a kind of liquid-filling shaping hydraulic machine dedicated hydraulic for solving technical problem present in known technology
Impact device.
This utility model is adopted the technical scheme that by solving technical problem present in known technology: one liquid-filling shaping liquid
Press dedicated hydraulic impact device, including the framework being connected in sequence by upper flange, pull bar and lower flange;At described framework
Upper and lower be sequentially provided with pneumatic department and high pressure surges portion;Described pneumatic department includes pneumatic hammer assembly, described pneumatic hammer assembly bag
Include hammer body and cylinder block;The described high pressure portion of surging includes plunger case assembly;Described plunger case assembly includes plunger and assembly cylinder-body;
When described hammer body hits downwards, the upper surface with described plunger contacts.
This utility model can also adopt the following technical scheme that
Described cylinder block includes air cavity flange, inflator, piston bush and pneumatic hammer guide pin bushing;Described air cavity flange, described inflator, institute
State pneumatic hammer guide pin bushing and described upper flange is sequentially connected from top to bottom and encloses sealing cavity;Described piston bush is positioned at described inflator
In and be connected with described inflator slipper seal, described pneumatic hammer guide pin bushing upper surface is provided with groove the lower surface shape with described piston bush
Become gap;Described hammer body is positioned at described annular seal space body, and described hammer body external diameter is bigger than the internal diameter of described piston bush;Described
Hammer body bottom sequentially passes through described piston bush and described pneumatic hammer guide pin bushing and is connected with the two slipper seal respectively.
Described air cavity flange lower surface is provided with lower convex platform, and described pneumatic hammer guide pin bushing upper surface is provided with convex platform;Described inflator is socketed in
On described convex platform and described lower convex platform, and it is connected with described convex platform and described lower convex platform axial seal respectively.
Described air cavity flange is provided with the first inflation inlet;It is provided with second being positioned at place above described piston bush on described inflator tube wall
Inflation inlet;Described pneumatic hammer guide pin bushing is provided with the 3rd inflation inlet, and described 3rd inflation inlet communicates with described groove.
Described assembly cylinder-body includes that hydraulic cavities flange, combination cylinder barrel, the first plunger guide, the second plunger guide and first seal;
Described hydraulic cavities flange, described combination cylinder barrel and described lower flange are sequentially connected with from top to bottom;Described combination cylinder barrel upper inside wall
Being provided with annular groove, described first plunger guide, described first sealing and described second plunger guide are the most embedding
In described annular groove;Described plunger, its top external diameter is bigger than lower outer diameter, and its top is positioned at described hydraulic cavities flange
Top, its underpart sequentially passes through described first plunger guide, described first sealing and described second plunger guide.
Described plunger case assembly also includes positioning guide pin bushing;Described hydraulic cavities flange upper surface is provided with boss, described location guide pin bushing set
Being connected on described boss, described plunger upper part is positioned at described location guide pin bushing, and described location guide pin bushing is provided with steam vent.
Guide pin bushing upper end, described location extends internally, and forms inverted L-shaped, limits described plunger upper part and stretch out.
Described combination cylinder barrel includes that inner core and urceolus, described inner core and described urceolus are interference fit.
Described plunger case assembly also includes that rubber blanket, described rubber blanket are positioned at above described hydraulic cavities flange.
Described pull bar is studs, and it is all affixed by nut with described upper flange and described lower flange.
This utility model has the advantage that with good effect: this liquid-filling shaping hydraulic machine dedicated hydraulic impact device, at low speed
After most of structure of liquid-filling shaping part, by inputting compressed gas to cylinder block, pneumatic hammer hammer body is made to hit downwards plunger case
The plunger of assembly, transfers energy to plunger, and then changes into energy in the liquid-working-medium in plunger case assembly, and make height
Energy liquid working media abrupt release, is converted to high speed and high pressure liquid, enters liquid chamber, is formed and shapes shock wave, so that
The parts locally such as position such as convex closure or convex tendon elastic-plastic deformation, shapes the little structure of major part structure and high-rate forming local with low speed
The mode combined processes the part with partial structurtes such as little re-entrant angle, little impression, convex closure, convex tendons, and device structure is simple,
Operation controls easily, the moulding process of partial structurtes during perfect heavy parts liquid-filling shaping.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is I portion structure for amplifying schematic diagram in Fig. 1.
In figure: 1, the first inflation inlet;2, air cavity flange;3, hammer body;4, inflator;5, piston bush;6, gas
Hammer guide pin bushing;7, the 3rd inflation inlet;8, upper flange;9, pull bar;10, plunger;11, location guide pin bushing;12, rubber blanket;
13, safety vent;14, hydraulic cavities flange;15, inlet opening;16, combination cylinder barrel;17, lower flange;18, self-locking nut;
19, locking mother;20, lower margin;21, the second inflation inlet;22, the first plunger guide;23, first seal;24, second
Plunger guide;25, anti-extrusion sealing ring.
Detailed description of the invention
For summary of the invention of the present utility model, feature and effect can be further appreciated that, hereby enumerate following example, and coordinate attached
Figure describes in detail as follows:
Referring to Fig. 1~Fig. 3, a kind of liquid-filling shaping hydraulic machine dedicated hydraulic impact device, including by upper flange 8, pull bar 9
The framework being connected in sequence with lower flange 17;It is sequentially provided with pneumatic department in the upper and lower of described framework and high pressure surges
Portion;Described pneumatic department can be affixed with described upper flange 8, it is possible to affixed with described pull bar 9;The described high pressure portion of surging can be with institute
State lower flange 17 affixed, it is possible to affixed with described pull bar 9;Described pneumatic department includes pneumatic hammer assembly, described pneumatic hammer assembly bag
Include hammer body 3 and cylinder block;The described high pressure portion of surging includes plunger case assembly;Described plunger case assembly includes plunger 10 and group
Close cylinder body;When described hammer body 3 hits downwards, the upper surface with described plunger 10 contacts.Described pneumatic hammer assembly and described framework
Can screw threads for fastening connect, described plunger case assembly is connected with described framework cocoa screw threads for fastening.Further, described pull bar 9
Can be studs, its can be all affixed by nut with described upper flange 8 and described lower flange 17, wherein said pull bar
9 lower ends can be locked with described lower flange 17 by self-locking nut 18, the described pull bar 9 stud below self-locking nut 18
Part can be affixed with lower margin 20, can arrange locking female 19 at lower margin 20 and prevent from loosening.By inputting compressed gas to cylinder block
Body, allows compressed air into top or the bottom of cylinder block, promotes hammer body 3 to move up and down;Assembly cylinder-body is provided with liquid in-out
Hole, the chamber below described plunger 10 is filled with highly pressurised liquid working media, when hammer body 3 hits downwards described plunger 10,
Transfer energy to plunger 10, and then change into the internal energy of liquid of plunger case assembly, and make the work of high-energy highly pressurised liquid be situated between
Matter abrupt release, becomes high speed and high pressure liquid, enters liquid chamber, is formed and shapes shock wave.
Further, described cylinder block can include air cavity flange 2, inflator 4, piston bush 5 and pneumatic hammer guide pin bushing 6;Described gas
Cell method orchid 2, described inflator 4, described pneumatic hammer guide pin bushing 6 and described upper flange 8 can be sequentially connected and enclose close from top to bottom
Envelope cavity;Described piston bush 5 is positioned at described inflator 4 and is connected with the slipper seal of described inflator 4, described pneumatic hammer guide pin bushing 6
Upper surface can be provided with groove the formation gap, lower surface with described piston bush 5;Described hammer body 3 is positioned at described annular seal space body,
Described hammer body 3 top external diameter is big than the internal diameter of described piston bush 5;Described hammer body 3 bottom sequentially passes through described piston bush 5
With described pneumatic hammer guide pin bushing 6 can being connected with the two slipper seal respectively.It is provided with close between described piston bush 5 and described inflator 4
Seal, and can relatively slide, it is provided with sealing ring between described piston bush 5 and described hammer body 3 bottom, and can phase
To slip, it is provided with sealing ring between described pneumatic hammer guide pin bushing 6 and described hammer body 3 bottom, and can relatively slide.Described gas
Cell method blue 2 can be connected by studs screw threads for fastening with described upper flange 8.
Described air cavity flange 2 lower surface can be provided with lower convex platform, and described pneumatic hammer guide pin bushing 6 upper surface can be provided with convex platform;Described gas
Cylinder 4 is socketed on described convex platform and described lower convex platform, and connects with described convex platform and described lower convex platform axial seal respectively
Connect.Wherein it is provided with sealing ring between lower convex platform and described inflator 4 inwall, sets between described convex platform and described inflator 4 inwall
There is sealing ring.
Further, described air cavity flange 2 can be provided with the first inflation inlet 1;It is being positioned at described work on described inflator 4 tube wall
Above plug sleeve 5, place can be provided with the second inflation inlet 21;Can be provided with the 3rd inflation inlet 7 on described pneumatic hammer guide pin bushing 6, the described 3rd fills
QI KOU 7 can communicate with the described groove of described pneumatic hammer guide pin bushing 6 upper surface.
Further, described assembly cylinder-body can include hydraulic cavities flange 14, combination cylinder barrel the 16, first plunger guide 22, the
Two plunger guides 24 and first seal 23;Described hydraulic cavities flange 14, described combination cylinder barrel 16 and described lower flange 17 from
It is sequentially connected with down;Annular groove can be provided with in described combination cylinder barrel 16 upper inside wall, described first plunger guide 22,
Described first sealing 23 and described second plunger guide 24 can be embedded in described annular groove the most successively;Described plunger
10, its top external diameter is big than lower outer diameter, and its top can be located at the top of described hydraulic cavities flange 14, and its underpart can depend on
Secondary through described first plunger guide 22, described first seal 23 and described second plunger guide 24.Described hydraulic cavities flange
14 can be connected by studs screw threads for fastening with described lower flange 17.
During work, by being located at inlet opening 15 on described combination cylinder barrel 16, described combination cylinder barrel 16 is described plunger 10 times
The chamber of side is filled with highly pressurised liquid working media, and described first sealing 23 is impact-resistant high-pressure seal ring;Play sealing
Highly pressurised liquid working media, prevents it from overflowing to plunger 10 top.Lead in described first sealing 23 and described first plunger
Also can be provided with anti-extrusion sealing ring 25 between set 22, play the effect of dual-seal.
Further, described plunger case assembly may also include location guide pin bushing 11;Described hydraulic cavities flange 14 upper surface can be provided with
Boss, described location guide pin bushing 11 can be socketed on described boss, and described plunger 10 top can be located at described location guide pin bushing 11
In, described location guide pin bushing 11 can be provided with steam vent.
Further, guide pin bushing 11 upper end, described location can extend internally, and forms inverted L-shaped, limits described plunger 10 top and stretch
Go out.
Further, described hydraulic cavities flange 14 can be provided with safety vent 13.
Further, described combination cylinder barrel 16 can include that inner core and urceolus, described inner core and described urceolus can be interference fit.
Further, described plunger case assembly may also include rubber blanket 12;Described rubber blanket 12 can be located at described hydraulic pressure cell method
Above blue 14.Described rubber blanket 12 is padded between described plunger 10 top and hydraulic cavities flange 14, plays buffer plunger
10 tops and the shock of described hydraulic cavities flange 14 upper surface.
Operation principle of the present utility model: this liquid-filling shaping hydraulic machine dedicated hydraulic impact device, after liquid-filling shaping terminates,
By inputting compressed gas to cylinder block, allow compressed air into top or the bottom of cylinder block, promote piston bush and hammer body 3
Move up and down;In the case of between inflator and hammer body, annular housing exists appointment air pressure, the first inflation inlet 1 inflation is used for pushing away
Dynamic hammer body 3 moves downward, and makes the expansion of compressed gas in annular housing, makes hammer body 3 obtain kinetic energy by gas expansion, high
Speed moves downward, and hammer body 3 hits plunger 10, hits after terminating, and the 3rd inflation inlet 7 is inflated, by piston bush 5 and hammer body 3
Pushing back top together, the second inflation inlet 21 is inflated and piston bush 5 is pushed back bottom, and it is motionless that hammer body 3 is maintained at top;This
Sample, makes pneumatic hammer hammer body 3 hit downwards the plunger 10 of plunger case assembly, transfers energy to plunger 10, and then change into post
The internal energy of liquid of plug cylinder assembly, and make high energy liquid abrupt release, be converted to shape shock wave, so that parts locally is such as
The position such as convex closure or convex tendon elastic-plastic deformation, the moulding process of part during perfect heavy parts liquid-filling shaping.
This utility model can also use other mechanism, realizes pneumatic hammer hammer body 3 and hits the post of plunger case assembly from the top down
Plug 10, transfers energy to plunger 10, and then changes into the internal energy of liquid of plunger case assembly, and makes high energy liquid moment
Enter in the liquid chamber of processing part, so that the parts locally such as position such as convex closure or convex tendon elastic-plastic deformation.
Embodiment described above is merely to illustrate technological thought of the present utility model and feature, in its object is to make this area
Skilled artisan will appreciate that content of the present utility model and implement according to this, it is impossible to only limit this utility model with the present embodiment
The scope of the claims, equal change that the spirit disclosed in the most all this utility model is made or modify, still fall of the present utility model
In the scope of the claims.
Claims (10)
1. a liquid-filling shaping hydraulic machine dedicated hydraulic impact device, it is characterised in that include by upper flange, pull bar and under
The framework that flange is connected in sequence;It is sequentially provided with pneumatic department in the upper and lower of described framework and high pressure surges portion;Described
Pneumatic department includes that pneumatic hammer assembly, described pneumatic hammer assembly include hammering body and cylinder block into shape;The described high pressure portion of surging includes plunger case assembly;
Described plunger case assembly includes plunger and assembly cylinder-body;When described hammer body hits downwards, the upper surface with described plunger contacts.
Liquid-filling shaping hydraulic machine dedicated hydraulic impact device the most according to claim 1, it is characterised in that described gas
Cylinder body includes air cavity flange, inflator, piston bush and pneumatic hammer guide pin bushing;Described air cavity flange, described inflator, described pneumatic hammer guide pin bushing
It is sequentially connected from top to bottom with described upper flange and encloses sealing cavity;Described piston bush is positioned at described inflator and with described
Inflator slipper seal connects, and described pneumatic hammer guide pin bushing upper surface is provided with groove the formation gap, lower surface with described piston bush;Institute
Stating hammer body and be positioned at described annular seal space body, described hammer body external diameter is bigger than the internal diameter of described piston bush;Described hammer body bottom depends on
Secondary through described piston bush and described pneumatic hammer guide pin bushing and it is connected with the two slipper seal respectively.
Liquid-filling shaping hydraulic machine dedicated hydraulic impact device the most according to claim 2, it is characterised in that described gas
Cell method orchid lower surface is provided with lower convex platform, and described pneumatic hammer guide pin bushing upper surface is provided with convex platform;Described inflator is socketed in described convex platform
With on described lower convex platform, and it is connected with described convex platform and described lower convex platform axial seal respectively.
Liquid-filling shaping hydraulic machine dedicated hydraulic impact device the most according to claim 2, it is characterised in that described gas
Cell method orchid is provided with the first inflation inlet;It is provided with the second inflation inlet being positioned at place above described piston bush on described inflator tube wall;Institute
Stating pneumatic hammer guide pin bushing and be provided with the 3rd inflation inlet, described 3rd inflation inlet communicates with described groove.
Liquid-filling shaping hydraulic machine dedicated hydraulic impact device the most according to claim 1, it is characterised in that described group
Close cylinder body and include that hydraulic cavities flange, combination cylinder barrel, the first plunger guide, the second plunger guide and first seal;Described hydraulic pressure
Cell method combination cylinder barrel blue, described and described lower flange are sequentially connected with from top to bottom;Described combination cylinder barrel upper inside wall is provided with ring
Connected in star, described first plunger guide, described first sealing and described second plunger guide are embedded in described ring the most successively
In connected in star;Described plunger, its top external diameter is bigger than lower outer diameter, and its top is positioned at the top of described hydraulic cavities flange, its
Bottom sequentially passes through described first plunger guide, described first sealing and described second plunger guide.
Liquid-filling shaping hydraulic machine dedicated hydraulic impact device the most according to claim 5, it is characterised in that described post
Plug cylinder assembly also includes positioning guide pin bushing;Described hydraulic cavities flange upper surface is provided with boss, and described location guide pin bushing is socketed in described convex
On platform, described plunger upper part is positioned at described location guide pin bushing, and described location guide pin bushing is provided with steam vent.
Liquid-filling shaping hydraulic machine dedicated hydraulic impact device the most according to claim 6, it is characterised in that described fixed
Guide pin bushing upper end, position extends internally, and forms inverted L-shaped, limits described plunger upper part and stretch out.
Liquid-filling shaping hydraulic machine dedicated hydraulic impact device the most according to claim 5, it is characterised in that described group
Close cylinder barrel and include that inner core and urceolus, described inner core and described urceolus are interference fit.
Liquid-filling shaping hydraulic machine dedicated hydraulic impact device the most according to claim 5, it is characterised in that described post
Plug cylinder assembly also includes that rubber blanket, described rubber blanket are positioned at above described hydraulic cavities flange.
Liquid-filling shaping hydraulic machine dedicated hydraulic impact device the most according to claim 1, it is characterised in that described in draw
Bar is studs, and it is all affixed by nut with described upper flange and described lower flange.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201620346017.7U CN205599739U (en) | 2016-04-21 | 2016-04-21 | Special hydraulic shock equipment of hydroforming hydraulic press |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620346017.7U CN205599739U (en) | 2016-04-21 | 2016-04-21 | Special hydraulic shock equipment of hydroforming hydraulic press |
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CN205599739U true CN205599739U (en) | 2016-09-28 |
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CN201620346017.7U Withdrawn - After Issue CN205599739U (en) | 2016-04-21 | 2016-04-21 | Special hydraulic shock equipment of hydroforming hydraulic press |
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CN (1) | CN205599739U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105798101A (en) * | 2016-04-21 | 2016-07-27 | 天津市天锻压力机有限公司 | Hydraulic shock equipment special for hydraulic-forming hydraulic machine |
CN110834047A (en) * | 2019-11-21 | 2020-02-25 | 大连理工大学 | Large-size thin-wall pipe fitting gas-liquid mixed fluid internal pressure forming method and device |
-
2016
- 2016-04-21 CN CN201620346017.7U patent/CN205599739U/en not_active Withdrawn - After Issue
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105798101A (en) * | 2016-04-21 | 2016-07-27 | 天津市天锻压力机有限公司 | Hydraulic shock equipment special for hydraulic-forming hydraulic machine |
CN105798101B (en) * | 2016-04-21 | 2018-02-06 | 天津市天锻压力机有限公司 | A kind of liquid-filling shaping hydraulic machine dedicated hydraulic impact device |
CN110834047A (en) * | 2019-11-21 | 2020-02-25 | 大连理工大学 | Large-size thin-wall pipe fitting gas-liquid mixed fluid internal pressure forming method and device |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
AV01 | Patent right actively abandoned |
Granted publication date: 20160928 Effective date of abandoning: 20180206 |
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AV01 | Patent right actively abandoned |