CN110270619A - A kind of circular material blank ultrahigh-pressure hydraulic breathing intensifying device - Google Patents
A kind of circular material blank ultrahigh-pressure hydraulic breathing intensifying device Download PDFInfo
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- CN110270619A CN110270619A CN201910501503.XA CN201910501503A CN110270619A CN 110270619 A CN110270619 A CN 110270619A CN 201910501503 A CN201910501503 A CN 201910501503A CN 110270619 A CN110270619 A CN 110270619A
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- bulging
- undergauge
- punch
- pressure liquid
- low punch
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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
- 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
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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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
A kind of large ring super-pressure breathing intensifying device, belong to annular work piece hydraulic breathing compound technology field, it is single using bulging or chambering process load path to solve large thick-wall cylinder part, the limited technical problem of cold deformation, solution are as follows: the present apparatus includes subtracting column, barrel chamber mold, stem reducing mould and expanding die, subtract the top that column is installed on workbench, bulging low punch loop is in the lower part for subtracting column, undergauge low punch loop is in bulging low punch and the outside for subtracting column lower end portion, undergauge upper punch loop is oppositely arranged on the top for subtracting column and with undergauge low punch, bulging upper punch loop undergauge upper punch outside and be oppositely arranged with bulging low punch；Superhigh pressure liquid bulging feeder connection controls pumping plant with superhigh pressure liquid respectively by pipeline with superhigh pressure liquid undergauge channel and is connected to.The present invention can shape the retaining ring part of larger size, so that retaining ring is generated higher accumulated plastic strain, while intensity improves 170% or more.
Description
Technical field
The invention belongs to annular work piece hydraulic expanding-forming undergauge complex technique fields, and in particular to be that a kind of circular material blank is super
High-pressure and hydraulic breathing intensifying device.
Background technique
Retaining ring work condition environment is special, service condition is sternly carved, this is just service life, security reliability and the manufacture of retaining ring
Technical-economic index more stringent requirements are proposed, higher target is proposed to material quality, technology, technical costs.
The reinforcement process for currently still continuing to use conventional hydraulic bulging and mechanical hole reaming to deformation strengthening this important link both at home and abroad makes material
Material intensity increases substantially.However above-mentioned reinforcement process, that there are load paths is single, deformation is uneven, material yield tensile ratio approach
In 1 the defects of, in addition, extension is even scrapped because the effect of single tensile stress can make material internal microdefect, and breathing is used
When combination process is to retaining ring cold deformation strengthening, traditional unidirectional tensile stress strengthening mechanism is breached, strengthening process, which increases, to be compressed into
Shape makes ring billet carry out undergauge and bulging repeated deformation, increases accumulated plastic strain, and it is latent sufficiently to have excavated material cold deformation strengthening
Can, it effectively improves retaining ring and strengthens efficiency.
Currently, more for annular work piece bulging and reducing device.In terms of bulging device, the 9th international forging in 1981
Meeting (1981. D ü sseldorf of May) discloses a kind of " new process of hydraulic bulging of retaining ring of generator cold deformation strengthening " and (turns
Carry " heavy casting and forging " 82 years supplementary issues 2), it is put forward for the first time use " decompression method " hydraulic method and apparatus for dilating retaining ring.Due to this
Method is additionally arranged laborsaving guide post, and the tonnage compared with press needed for all-hydraulic method is small.ZL200620128035.4 is disclosed " using superelevation
The work-saving device of pressure system hydraulic expanding large retaining-ring " this " device of extra high voltage system hydraulic expanding large retaining-ring " is only with forging
It makes press and is pressed in composition enclosed shape chamber on upper punch, then injection superhigh pressure liquid realizes bulging process thereto.
CN1015328B is disclosed " externally feeding type hydraulic devcie for swelling and strengthening protective ring ", and this " outer Clysis " has manufactured a dedicated shield
Ring press frame, and two compression systems and Special seal are set, big specification retaining ring is produced using the biggish Special purpose pressing machine of tonnage.
CN1022386C discloses " hydraulic bulging device of annular work piece ".The device uses " interior supercharge method ", its main feature is that not having to special
With press and super-pressure pump, (25~35MPa) only is pumped with hydraulic forging press and ordinary high pressure, hydraulic press pressurization makes in taper
Formed punch, low punch and ring billet constitute hermetic type chamber, are then high-pressure water by the charger boost in retaining ring and make retaining ring bulging
Strengthen.And the apparatus invented for annular work piece undergauge is even more to emerge one after another.Such as in terms of squeezing diameter reducing process,
CN201389572 discloses " pipe cold extrusion reducing device ", which includes workbench, oil cylinder, mold, the mold and oil
Cylinder is coaxially respectively fixedly connected with the upper and lower plane in workbench, and mold includes mold section, die sleeve and flange, which is applicable in
Cold extrusion reducing in pipe end or round tube middle section.For resisting medium and solid particulate matter external pressure diameter reducing process,
CN102554023A discloses " a kind of method of pipe local reducing ", it is that core bar, the core will be packed into inside tubing to be formed
Bar is divided into more valves axially or radially, the above-mentioned tubing for assembling core bar is put into the shaped hole of fixed module, to by fixing
Solid particle medium is packed into the material chamber that module, pressure head are constituted, tubing both ends apply proper axial power, while pressure head pushes,
Compression solid granule medium, make tubing realize radial deformation, tubing gradually undergauge and to core bar patch hold together, until tubing and core bar it is tight
Forming terminates after closely connected conjunction；Pressure head backhaul extracts the workpiece after forming out, then from tubing two from the shaped hole of fixed module
Core bar is taken out at end respectively, the tubing processed.In terms of electromagnetism undergauge, CN105013960A is disclosed " based on bit line
The tubing magnetic rugosity diameter forming device and method of circle ", the device and method using electromagnetism undergauge technology to tubing carry out undergauge at
Shape.And in terms of spinning undergauge, CN102601199A discloses " a kind of fixed core mode thin-wall tube precision spinning reducing device ",
The device is a kind of fixed core mode thin-wall tube precision spinning undergauge new equipment, including positioning clamping part, pipe, spinning undergauge
Forming and core model shaping unit, it can complete thin-wall tube precision spinning reducing formation mounted in center lathe or special spinning machine, main
To be suitable for the occasion of small batch production.
However, these above-mentioned bulgings and reducing device can be only done single-pathway cold deformation strengthening technique, and single-pathway
Lower retaining ring cold deformation ultimate deformation amount is smaller, is unable to fully be reinforced, and uses breathing composite deformation technique, breaches traditional single
To tensile stress strengthening mechanism, strengthening process increases compression molding, make ring billet compression chord action material occur processing hardening and
Intensity is improved, the initial strength for improving material is equivalent to, the deflection of tensile stress is reduced and reaches the intensity of retaining ring requirement.Therefore
A kind of large ring super-pressure breathing intensifying device is needed to realize the hydraulic breathing composite reinforcement process of retaining ring blank, embodies retaining ring
The Strain superimposition strengthening effect of repeated deformation.
Summary of the invention
It is an object of the invention to overcome the deficiencies of existing technologies, solves large thick-wall cylinder part in the prior art and use bulging
Or the technical problem that the single deformation path strengthening effect of chambering process is limited, realize with it is hydraulic for external applied load to large thick-wall ring
The purpose of uniform swell-shrinking deformation, the present invention provide a kind of circular material blank ultrahigh-pressure hydraulic breathing intensifying device.
The present invention is achieved by the following technical programs.
A kind of circular material blank ultrahigh-pressure hydraulic breathing intensifying device, it include subtract column, barrel chamber mold, stem reducing mould with it is swollen
Shape mold, the stem reducing mould include undergauge upper punch and undergauge low punch, and the expanding die includes bulging upper punch and swollen
Shape low punch；
The top for subtracting column and being installed on workbench straight up, bulging low punch loop is under the lower part for subtracting column, undergauge
Formed punch loop glides along the inner sidewall of bulging low punch in bulging low punch and the outside for subtracting column lower end portion, undergauge low punch
Dynamic, the top of bulging low punch inner sidewall is provided with the limited block for limiting the sliding of undergauge low punch, and barrel chamber mold loop exists
The outside of bulging low punch, the initial position of circular material blank are set between undergauge upper punch and undergauge low punch, and annular
The axis direction of blank and the axis direction for subtracting column are coaxial；The undergauge upper punch loop is in the top for subtracting column and and undergauge
Low punch is oppositely arranged, the bulging upper punch loop undergauge upper punch outside and be oppositely arranged with bulging low punch；Ring
It is formed between the inner wall of shape blank, the outer wall for subtracting column and bulging upper punch, bulging low punch for the swollen of circular material blank bulging
Shape toroidal cavity forms between the outer wall of circular material blank, the inner wall of barrel chamber mold and undergauge upper punch, undergauge low punch and is used for ring
The undergauge toroidal cavity of shape blank undergauge；
The lower part for subtracting column is provided with superhigh pressure liquid bulging channel, and the lower end in superhigh pressure liquid bulging channel is provided with
Plug is provided with superhigh pressure liquid bulging and is led to by sequentially passing through barrel chamber mold, undergauge low punch within outer and subtracting the root of column
Road entrance subtracts and is provided with superhigh pressure liquid bulging channel outlet in the middle part of column, superhigh pressure liquid bulging channel outlet with it is described
The connection of bulging toroidal cavity, superhigh pressure liquid bulging feeder connection, superhigh pressure liquid bulging channel and superhigh pressure liquid bulging are logical
Road outlet is sequentially communicated according to superhigh pressure liquid flow direction；It is logical that superhigh pressure liquid undergauge is provided in the middle part of barrel chamber mould side wall
Road, superhigh pressure liquid undergauge channel are connected to the undergauge toroidal cavity, superhigh pressure liquid bulging feeder connection and superelevation hydraulic fluid
Body undergauge channel controls pumping plant with superhigh pressure liquid respectively by pipeline and is connected to.
Further, between the top for subtracting column and the contact surface of bulging upper punch, on bulging upper punch and undergauge
The first sealing ring is respectively arranged between the contact surface of formed punch, between undergauge upper punch and the inner sidewall of barrel chamber mold；It is described to subtract
It is respectively arranged with the second sealing ring between the lower part of column and the lateral wall of bulging low punch and the inner wall of undergauge low punch, contracts
The second sealing ring is also provided between the lateral wall of diameter low punch and the inner sidewall of barrel chamber mold.
Further, in circular material blank Bulging Process, briquetting, press upper beam are provided with above the bulging upper punch
It is set to the top of briquetting, press upper beam drives bulging upper punch to move downward by briquetting.
Compared with prior art, the invention has the benefit that
A kind of large ring super-pressure breathing intensifying device provided by the invention:
1, can successively apply sufficiently large load in the outer surface of blank and inner surface, can make retaining ring occur necking deformation and
Bulging deformation, shapes the part of larger size, while can play the role of cold deformation strengthening.
2, since the external force that liquid is applied is uniform, it is possible to it is fine must adapt to due to blank undergauge and bulging and
The geometry of generation changes, convenient for the load and control of forming pressure.And because using undergauge and bulging combined shaping,
It solves the technical problem that traditional cold deformation strengthening deformation path is single, deflection is limited, shelling ring material can be made to obtain sufficiently
Cold deformation strengthening, to obtain very high intensity.
Detailed description of the invention
Overall structure schematic cross-sectional view when Fig. 1 is hydraulic undergauge step of the invention；
Overall structure schematic cross-sectional view when Fig. 2 is hydraulic expanding-forming step of the present invention.
In figure, 1 is hydraulic press crossbeam, and 2 be bulging upper punch, and 3 be undergauge upper punch, and 4 be sleeve die, and 5 be super-pressure
Liquid undergauge channel, 6 be undergauge low punch, and 7 control pumping plant for superhigh pressure liquid, and 8 be briquetting, and 9 be sealing ring, and 10 be annular base
Material, 11 be highly pressurised liquid, and 12 is subtract column, and 13 be bulging low punch, and 14 be superhigh pressure liquid bulging channel, and 15 be plug, 16
For workbench；K indicates to apply pressure in figure.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.
A kind of circular material blank ultrahigh-pressure hydraulic breathing intensifying device, it includes subtracting column 12, barrel chamber mold 4, stem reducing mould
With expanding die, the stem reducing mould includes undergauge upper punch 3 and undergauge low punch 6, and the expanding die includes rushing on bulging
First 2 and bulging low punch 13；
The top for subtracting column 12 and being installed on workbench 16 straight up, 13 loop of bulging low punch is in the case where subtracting column 12
Portion, 6 loop of undergauge low punch is in bulging low punch 13 and the outside for subtracting 12 lower end of column, and undergauge low punch 6 is along bulging undershoot
First 13 inner sidewall slides up and down, and the top of 13 inner sidewall of bulging low punch is provided with for limiting the sliding of undergauge low punch 6
Limited block, 4 loop of barrel chamber mold are set to undergauge upper punch in the outside of bulging low punch 13, the initial position of circular material blank 10
Between 3 and undergauge low punch 6, and the axis direction of circular material blank 10 and the axis direction that subtracts column 12 are coaxial；The undergauge
3 loop of upper punch is subtracting the top of column 12 and is being oppositely arranged with undergauge low punch 6, and 2 loop of bulging upper punch is in undergauge
The outside of upper punch 3 is simultaneously oppositely arranged with bulging low punch 13；The inner wall of circular material blank 10 subtracts on the outer wall and bulging of column 12
Bulging toroidal cavity of the formation for 10 bulging of circular material blank between formed punch 2, bulging low punch 13, the outer wall of circular material blank 10,
The undergauge annular for 10 undergauge of circular material blank is formed between the inner wall and undergauge upper punch 3, undergauge low punch 6 of barrel chamber mold 4
Cavity；
The lower part for subtracting column 16 is provided with superhigh pressure liquid bulging channel 14, the lower end in superhigh pressure liquid bulging channel 14
It is provided with plug 15, is provided with superelevation by sequentially passing through barrel chamber mold 4, undergauge low punch 6 within outer and subtracting the root of column 16
Press liquid bulging feeder connection, the middle part for subtracting column 16 are provided with superhigh pressure liquid bulging channel outlet, superhigh pressure liquid bulging
Channel outlet is connected to the bulging toroidal cavity, superhigh pressure liquid bulging feeder connection, 14 and of superhigh pressure liquid bulging channel
Superhigh pressure liquid bulging channel outlet is sequentially communicated according to superhigh pressure liquid flow direction；The middle part of 4 side wall of barrel chamber mold is arranged
There is superhigh pressure liquid undergauge channel 5, superhigh pressure liquid undergauge channel 5 is connected to the undergauge toroidal cavity, and superhigh pressure liquid is swollen
Shape feeder connection controls pumping plant 7 with superhigh pressure liquid respectively by pipeline with superhigh pressure liquid undergauge channel 5 and is connected to.
Further, between the top for subtracting column 12 and the contact surface of bulging upper punch 2, bulging upper punch 2 and contracting
The first sealing ring is respectively arranged between the contact surface of diameter upper punch 3, between undergauge upper punch 3 and the inner sidewall of barrel chamber mold 4；
Is respectively arranged between the inner wall of the lateral wall and undergauge low punch 6 of the lower part for subtracting column 12 and bulging low punch 13
Two sealing rings are also provided with the second sealing ring between the lateral wall of undergauge low punch 6 and the inner sidewall of barrel chamber mold 4.
Further, in 10 Bulging Process of circular material blank, the top of the bulging upper punch 2 is provided with briquetting 8, on press
Crossbeam 1 is set to the top of briquetting 8, and press upper beam 1 drives bulging upper punch 2 to move downward by briquetting 8.
It is of the invention use process is as follows:
To form outer diameter D are as follows: for the retaining ring blank that 900 mm, internal diameter d are 700 mm, height H is 800 mm.Retaining ring blank material
Material is forging state Mn18Cr18N steel, and initial yield intensity is 400 MPa.
When carrying out undergauge step, as shown in Figure 1:
It is lifted on hydraulic press hydraulic table 16 firstly, column 12 will be subtracted；
Secondly, 6 loop of undergauge low punch is in bulging low punch 13 and subtracts column by 13 loop of bulging low punch on subtracting column 12
On 12, by 4 sets of barrel chamber mold on undergauge low punch 6, by 10 coaxial placement of circular material blank on undergauge low punch 6.It is placing
During, the position of circular material blank 10 is constantly adjusted, ensures the axis of circular material blank 10 axis and barrel chamber mold 4 as far as possible
It is overlapped, sequentially coaxially installation undergauge upper punch 3 and bulging upper punch 2；
Again, starting hydraulic press, 1 downlink of press upper beam acts on undergauge upper punch 3 and carries out die closing operation to stem reducing mould,
So that 10 external end head of circular material blank and undergauge upper punch 3,6 close contact of undergauge low punch, so that it is guaranteed that upper and lower two molds are bored
A closed superelevation die mould chamber is formed between face and circular material blank 10 is used for 10 undergauge of circular material blank；
Finally, starting superhigh pressure liquid controls pumping plant 7, superhigh pressure liquid 11 enters closing by superhigh pressure liquid undergauge channel 5
Super-pressure undergauge toroidal cavity, until superhigh pressure liquid 11 fills super-pressure undergauge toroidal cavity；To super-pressure undergauge annular
Continue to inject superhigh pressure liquid 11 in cavity.Entire undergauge process by using displacement sensor to retaining ring deform real-time size into
The acquisition of row data.Superhigh pressure liquid control pumping plant 7 continuous high-pressure effect under, 11 pressure of superhigh pressure liquid can continue increasing
Greatly, when pressure reaches 96.6 MPa, circular material blank 10 enters perfect plasticity deformation state；Continue to increase superhigh pressure liquid 11
Pressure, circular material blank 10 start uniform undergauge；When superhigh pressure liquid 11 pressure reach 279.6 MPa when, retaining ring having a size of
D800 mm × d588.8 mm × H870.5 mm reaches preset dimension requirement, stops pressurization, closes superhigh pressure liquid control pump
It stands 7, unloads the load of hydraulic press, entire undergauge step terminates.
When carrying out bulging step, as shown in Figure 2:
Firstly, undergauge upper punch 3 is raised certain distance on the basis of above-mentioned undergauge step, Bulging Process and annular base are avoided
Material 10 interferes, and briquetting 8 is placed in the top of bulging upper punch 2；
Again, start hydraulic press, 1 downlink of press upper beam acts on briquetting 8 and carries out die closing operation to expanding die, so that ring
10 inner termination of shape blank and bulging upper punch 2,13 close contact of bulging low punch, so that it is guaranteed that upper and lower two mold conical surfaces and ring
A closed super-pressure bulging toroidal cavity is formed between shape blank 10；
Finally, starting superhigh pressure liquid controls pumping plant 7, superhigh pressure liquid 11 is entered by superhigh pressure liquid bulging feeder connection, is surpassed
Highly pressurised liquid 11 is pushed bulging low punch 13 and is moved upwards along the inner wall of undergauge low punch 6, and then superhigh pressure liquid 11 passes through super
Highly pressurised liquid bulging channel 14 enters closed super-pressure bulging toroidal cavity, until superhigh pressure liquid 11 fills super-pressure bulging
Toroidal cavity；Continue to inject superhigh pressure liquid 11 into super-pressure bulging toroidal cavity.During superhigh pressure liquid, due to
Hydraulic effect, bulging low punch 13 can be increased constantly, thus avoid interfering in bulging step with circular material blank 10, it is entire swollen
Shape process deforms real-time size to retaining ring by using displacement sensor and carries out data acquisition.Pumping plant 7 is controlled in superhigh pressure liquid
Continuous high-pressure effect under, the increase that the pressure of superhigh pressure liquid 11 can continue, circular material blank 10 starts uniform bulging；When hydraulic
When reaching 276.4 MPa, retaining ring reaches preset dimension requirement having a size of D900 mm × d705.2 mm × H822.3 mm, stops
Pressurization closes superhigh pressure liquid and controls pumping plant 7, unloads the load of hydraulic press, and deformation circular material blank 10 is taken from barrel chamber mold 4
Out, entire bulging step terminates.
In this embodiment, retaining ring blank outer diameter is by 900mm elder generation undergauge to 800 mm, and then bulging tires out to 900 mm again
Product plastic strain is 0.227；Internal diameter is by 700mm undergauge to 588.8 mm, subsequent bulging again to 705.2 mm, accumulated plastic strain
It is 0.342；Retaining ring blank after hydraulic breathing composite deformation is subjected to dissection sampling, the surrender measured at retaining ring blank central diameter is strong
Degree is 1094.7 MPa.It relatively improves initial yield intensity and improves 694.7 MPa.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
It is familiar with those skilled in the art in the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of, should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (3)
1. a kind of circular material blank ultrahigh-pressure hydraulic breathing intensifying device, it is characterised in that: it includes subtracting column (12), barrel chamber mold
(4), stem reducing mould and expanding die, the stem reducing mould include undergauge upper punch (3) and undergauge low punch (6), the bulging
Mold includes bulging upper punch (2) and bulging low punch (13)；
The top for subtracting column (12) and being installed on workbench (16) straight up, bulging low punch (13) loop are subtracting column
(12) lower part, undergauge low punch (6) loop is in bulging low punch (13) and subtracts the outside of column (12) lower end, undergauge undershoot
Head (6) is slided up and down along the inner sidewall of bulging low punch (13), and the top of bulging low punch (13) inner sidewall is provided with for limiting
The limited block of undergauge low punch (6) sliding processed, outside of barrel chamber mold (4) loop in bulging low punch (13), circular material blank
(10) initial position is set between undergauge upper punch (3) and undergauge low punch (6), and the axis side of circular material blank (10)
To coaxial with the axis direction that subtracts column (12)；Undergauge upper punch (3) loop is in the top for subtracting column (12) and and undergauge
Low punch (6) is oppositely arranged, bulging upper punch (2) loop undergauge upper punch (3) outside and with bulging low punch
(13) it is oppositely arranged；The inner wall of circular material blank (10), the outer wall for subtracting column (12) and bulging upper punch (2), bulging low punch
(13) the bulging toroidal cavity for being used for circular material blank (10) bulging, outer wall, the barrel chamber mold (4) of circular material blank (10) are formed between
Inner wall and undergauge upper punch (3), undergauge low punch (6) between formed it is empty for the undergauge annular of circular material blank (10) undergauge
Chamber；
The lower part for subtracting column (16) is provided with superhigh pressure liquid bulging channel (14), superhigh pressure liquid bulging channel (14)
Lower end is provided with plug (15), by sequentially passing through barrel chamber mold (4), undergauge low punch (6) within outer and subtracting column (16)
Root is provided with superhigh pressure liquid bulging feeder connection, subtracts and is provided with superhigh pressure liquid bulging channel in the middle part of column (16) and goes out
Mouthful, superhigh pressure liquid bulging channel outlet is connected to the bulging toroidal cavity, superhigh pressure liquid bulging feeder connection, super-pressure
Liquid bulging channel (14) and superhigh pressure liquid bulging channel outlet are sequentially communicated according to superhigh pressure liquid flow direction；Barrel chamber mould
Superhigh pressure liquid undergauge channel (5), superhigh pressure liquid undergauge channel (5) and the undergauge ring are provided in the middle part of tool (4) side wall
The connection of shape cavity, superhigh pressure liquid bulging feeder connection and superhigh pressure liquid undergauge channel (5) by pipeline respectively with super-pressure
Liquid controls pumping plant (7) connection.
2. a kind of circular material blank ultrahigh-pressure hydraulic breathing intensifying device according to claim 1, it is characterised in that: described to subtract
Between the top of column (12) and the contact surface of bulging upper punch (2), the contact of bulging upper punch (2) and undergauge upper punch (3)
The first sealing ring is respectively arranged between face, between undergauge upper punch (3) and the inner sidewall of barrel chamber mold (4)；It is described to subtract column
(12) it is close that second is respectively arranged between the lateral wall of lower part and bulging low punch (13) and the inner wall of undergauge low punch (6)
Seal is also provided with the second sealing ring between the lateral wall of undergauge low punch (6) and the inner sidewall of barrel chamber mold (4).
3. a kind of circular material blank ultrahigh-pressure hydraulic breathing intensifying device according to claim 1, it is characterised in that: annular base
Expect to be provided with briquetting (8) above the bulging upper punch (2), press upper beam (1) is set to briquetting in (10) Bulging Process
(8) top, press upper beam (1) are moved downward by briquetting (8) driving bulging upper punch (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910501503.XA CN110270619A (en) | 2019-06-11 | 2019-06-11 | A kind of circular material blank ultrahigh-pressure hydraulic breathing intensifying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910501503.XA CN110270619A (en) | 2019-06-11 | 2019-06-11 | A kind of circular material blank ultrahigh-pressure hydraulic breathing intensifying device |
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| Publication Number | Publication Date |
|---|---|
| CN110270619A true CN110270619A (en) | 2019-09-24 |
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ID=67960552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910501503.XA Pending CN110270619A (en) | 2019-06-11 | 2019-06-11 | A kind of circular material blank ultrahigh-pressure hydraulic breathing intensifying device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112935058A (en) * | 2021-01-28 | 2021-06-11 | 江苏圣贤锻造有限责任公司 | Device for producing protective ring in linkage mode and operation method |
| CN115572801A (en) * | 2022-09-19 | 2023-01-06 | 燕山大学 | Reinforcing device and reinforcing method for retaining ring expanding and upsetting |
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| CN1947880A (en) * | 2006-10-31 | 2007-04-18 | 太原科技大学 | Power-saving apparatus for hydraulic expanding large retaining-ring by using super high pressure system |
| CN106077419A (en) * | 2016-07-08 | 2016-11-09 | 燕山大学 | A kind of generator guard ring jumping-up bulging composite strengthening method |
| CN107511419A (en) * | 2017-09-26 | 2017-12-26 | 太原科技大学 | A kind of ultrahigh-pressure hydraulic contracting ring intensifying device |
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2019
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| US5160031A (en) * | 1988-11-14 | 1992-11-03 | Berwick Manufacturing Inc. | Nestable container and method of making |
| CN1947880A (en) * | 2006-10-31 | 2007-04-18 | 太原科技大学 | Power-saving apparatus for hydraulic expanding large retaining-ring by using super high pressure system |
| CN106077419A (en) * | 2016-07-08 | 2016-11-09 | 燕山大学 | A kind of generator guard ring jumping-up bulging composite strengthening method |
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| 李飞: "Mn18Cr18N钢冷变形力学行为与强化参数研究", 《中国优秀硕士学位论文全文数据库（电子期刊） 工程科技Ⅰ辑》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112935058A (en) * | 2021-01-28 | 2021-06-11 | 江苏圣贤锻造有限责任公司 | Device for producing protective ring in linkage mode and operation method |
| CN115572801A (en) * | 2022-09-19 | 2023-01-06 | 燕山大学 | Reinforcing device and reinforcing method for retaining ring expanding and upsetting |
| CN115572801B (en) * | 2022-09-19 | 2024-06-11 | 燕山大学 | Reinforcing device and reinforcing method for shroud ring expanding upsetting |
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Application publication date: 20190924 |