CN102151778B - Outsize multifunctional die pressing forging oil press - Google Patents
Outsize multifunctional die pressing forging oil press Download PDFInfo
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- CN102151778B CN102151778B CN 201110129734 CN201110129734A CN102151778B CN 102151778 B CN102151778 B CN 102151778B CN 201110129734 CN201110129734 CN 201110129734 CN 201110129734 A CN201110129734 A CN 201110129734A CN 102151778 B CN102151778 B CN 102151778B
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Abstract
The invention relates to the technical field of machinery, in particular to an outsize multifunctional die pressing forging oil press, which comprises a pressure multiplier, a movable cross beam, a return oil cylinder, primary oil cylinders and a movable worktable. Compared with the prior art, the structural design of using three primary oil cylinders allows the pressure state to be selectable, and thus, free forging can be realized; the arrangement of the pressure multiplier makes the outsize multifunctional die pressing forging oil pres equivalent to a die pressing forging press with pressing capacity doubled under the same pressure; and a movable worktable having a tabletop floating ejected rolling type friction structure is arranged, so the deformation risks in a hot extrusion process of a forging are reduced.
Description
Technical field
The present invention relates to field of mechanical technique, specifically a kind of Outsize multifunctional die pressing forging oil press.
Background technology
After liberation, China's power station equipment grows out of nothing, and is developed to large-scale (1000000kw) by middle-size and small-size (6000kw-250000kw).Wherein, station boiler is the key that maximizes.Since the reform and opening-up, station boiler progressively moves towards production domesticization by external introduction.At present, the output of China's novel high-power high-duty station boiler is more and more higher, when the outlet power station equipment increases thereupon, also faces the problem that domestic large quantities of old power plant need to update.
Superheater in the novel high-power high-duty station boiler, reheater, header, jet chimney are widely applied the boiler steel of F91 grade newly developed, and this boiler steel has the characteristics such as high temperature resistant, high pressure resistant, corrosion-resistant.But because the domestic large forgings that the F91 material is not provided, each cauldron factory can only be with high price from external import, and because crucial forging is abroad controlled, make each cauldron factory not only expend a large amount of foreign exchanges, manufacturing cost high, and output also is subjected to the abroad restriction of import forging, can't satisfy the needs that the pipeline parts are changed in each high-power station's ordinary maintenance.
Added vanadium and niobium in the chemical composition of F91 material, controlled simultaneously nitrogen element content, heatproof intensity etc. is increased substantially.Forging equipment, Forging Technology, heating means, cooling procedure to the F91 material all must be carried out strict quality control.Therefore, satisfy the Outsize multifunctional die pressing forging oil press that the F91 material forges and to possess following functions: 1 flat-die forging; 2 can be used as the liquid metal forging press; 3 forging are hot-pressed.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, the Outsize multifunctional die pressing forging oil press that provides a kind of F91 of can be used in material to forge.
In order to achieve the above object, the present invention includes the pressure multiplier device, moved cross beam, the backhaul oil cylinder, master cylinder and travelling table, it is characterized in that: the below of travelling table is provided with the pressure multiplier device, and the top of moved cross beam is connected with three master cylinders respectively, and the both sides of three master cylinders are provided with two backhaul oil cylinders.
Described pressure multiplier device is comprised of guide pin bushing, cushion block, push rod, oil cylinder and toggle, toggle is located at the left and right sides of oil cylinder bottom, the top of oil cylinder is provided with push rod, the bottom of push rod is connected with the top of toggle, the top center of push rod is provided with groove, cushion block is located in this groove, and guide pin bushing is fixed on the bottom of hydraulic press operating platform, and push rod is located in the endoporus of guide pin bushing.
Described travelling table is comprised of workbench, sill, jack-up oil cylinder, roller and Shift cylinder, the below of workbench and the roller contact that is arranged on jack-up oil cylinder top, the arranged on left and right sides of sill is respectively established a Shift cylinder, and 20 jack-up oil cylinders are located at respectively the both sides of sill and Shift cylinder.
The present invention compares with prior art, adopts the structural design of three master cylinders, and pressure state can be selected, thereby realizes flat-die forging; Be provided with the pressure multiplier device, make Outsize multifunctional die pressing forging oil press quite with making the compacting ability increase by one times liquid metal forging press under the equal pressure; Be provided with the travelling table that table top floats top lifting roller friction structure, make risk of distortion reduction in the forging hot extrusion process.
Description of drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is the side view of structural representation of the present invention.
Referring to Fig. 1,1 is guide pin bushing; 2 is cushion block; 3 is push rod; 4 is oil cylinder; 5 is toggle; 6 is moved cross beam; 7 are the backhaul oil cylinder; 8 is master cylinder; 9 is workbench; 10 is sill; 11 is the jack-up oil cylinder; 12 is roller; 13 is Shift cylinder.
The specific embodiment
Now by reference to the accompanying drawings the present invention is described further.
Referring to Fig. 1 and Fig. 2, the present invention includes the pressure multiplier device, moved cross beam, backhaul oil cylinder, master cylinder and travelling table.The below of travelling table is provided with the pressure multiplier device, and the top of moved cross beam 6 is connected with three master cylinders 8 respectively, and the both sides of three master cylinders 8 are provided with two backhaul oil cylinders 7.The pressure multiplier device is comprised of guide pin bushing 1, cushion block 2, push rod 3, oil cylinder 4 and toggle 5, toggle 5 is located at the left and right sides of oil cylinder 4 bottoms, the top of oil cylinder 4 is provided with push rod 3, the bottom of push rod 3 is connected with the top of toggle 5, the top center of push rod 3 is provided with groove, cushion block 2 is located in this groove, and guide pin bushing 1 is fixed on the bottom of hydraulic press operating platform, and push rod 3 is located in the endoporus of guide pin bushing 1.Travelling table is comprised of workbench 9, sill 10, jack-up oil cylinder 11, roller 12 and Shift cylinder 13, the below of workbench 9 contacts with the roller 12 that is arranged on jack-up oil cylinder 11 tops, the arranged on left and right sides of sill 10 is respectively established the both sides that 13, two ten jack-up oil cylinders 11 of a Shift cylinder are located at respectively sill 10 and Shift cylinder 13.
The present invention is provided with three master cylinders 8, and each master cylinder 8 can produce 2000 tons of pressure.Three master cylinders 8 can be divided into three kinds of duties: master cylinder 8 job produce 2000 tons of pressure; Two master cylinders 8 are worked simultaneously, produce 4000 tons of pressure; Three master cylinders 8 are worked simultaneously, produce 6000 tons of pressure.The F91 material can be selected different duties according to the size of forging, thereby can select and regulate pressure state in forging process.
Moved cross beam of the present invention 6 both sides are provided with two backhaul oil cylinders 7, make moved cross beam 6 backhauls realize quick return.During moved cross beam 6 downward idle stroke, translational speed is 300mm/s; When moved cross beam 6 made progress backhaul, translational speed was 300mm/s; Moved cross beam 6 is worked downwards and when only having a master cylinder 8 work, pressing speed is 60mm/s; Moved cross beam 6 is worked downwards and when having two master cylinders 8 to work simultaneously, pressing speed is 40mm/s; When moved cross beam 6 work downwards and three master cylinders 8 were worked simultaneously, pressing speed was 20mm/s.Moved cross beam 6 is provided with the digital-to-analogue scale, the height of setting when pressing down in order to accurate show events crossbeam 6, and accuracy can reach 1mm.
Oil pressure control of the present invention and operating system are equipped with PC, can realize manual operation, semi-automatic operation and three kinds of modes of operation of automatic operation.
The pressure multiplier device has been installed in the present invention additional.To F91 material when forging and pressing perforation, Outsize multifunctional die pressing forging oil press quite with 12000 tons liquid metal forging press.When the F91 material in forging and pressing during aperture, oil cylinder 4 rises, oil cylinder 4 power that the produces transmission by push rod 3 of rising drives cushion block 2 and toggle 5 and moves upward; When the connecting rod of toggle 5 stretched fully, cushion block 2 was subject to the support force of toggle 5 for maximum, and forge and press aperture to the F91 material this moment; After the aperture forging and pressing put in place, oil cylinder 4 descended, and the power that oil cylinder 4 declines produce is by the transmission of push rod 3, driving cushion block 2 and toggle 5 moves downward, successively bore a hole to the F91 material and cut edge and reaming is once finished this moment, after reaming is finished, and pressure multiplier device end-of-job.
The present invention is provided with travelling table, can place multiple forging tools on the workbench 9, such as rotating disk, saddle support, forging die counterdie, sizing die.In forging process, can realize rapid tool change, shorten the time of forging, adapt to the specific (special) requirements of F91 material forging forging range little (300 ℃-350 ℃), make risk of distortion reduction in the forging hot extrusion process.In workbench 9 moving process, there are all the time 14 jack-up oil cylinders 11 to withstand under the workbench, when operator's actuating travelling table 9,20 jack-up oil cylinders 11 are one millimeter of workbench 9 jack-up.Then under the promotion of Shift cylinder 13, workbench 9 is barrel shift on the roller 12 of jack-up oil cylinder 11.After moving to needed position, jack-up oil cylinder 11 descends, and workbench 9 surely is placed on the press sill 10.
The present invention is provided with automatically fast finish forge program, can realize 30 forging and pressing operations of per minute with the supporting interlock of manipulator.F91 material forging through quick finish forge can greatly reduce allowance, and improves the uniformity of F91 material forging inherent quality.
The present invention adopts many high-pressure plunger pump centralized Control, makes Outsize multifunctional die pressing forging oil press in 1-6 platform oil pump, and the number of units that any unlatching needs is to cooperate the required operating rate of Outsize multifunctional die pressing forging oil press.Like this, greatly improve operating efficiency and reduced energy consumption.
Hydraulic system of the present invention is provided with independently oil strain and cooling system, and the fluid in the lower fuel tank is kept clean, and the oil cleaner screen filtering accuracy reaches 20 μ, satisfies required precision.Fluid filters the laggard water cooler cooling that enters, and fluid is remained on below 50 ℃, guarantees that the random time of Outsize multifunctional die pressing forging oil press in 24 hours can work.
Claims (2)
1. multi-functional liquid metal forging hydraulic press, comprise the pressure multiplier device, moved cross beam, the backhaul oil cylinder, master cylinder and travelling table, it is characterized in that: the below of travelling table is provided with the pressure multiplier device, the top of moved cross beam (6) is connected with three master cylinders (8) respectively, the both sides of three master cylinders (8) are provided with two backhaul oil cylinders (7), described pressure multiplier device is by guide pin bushing (1), cushion block (2), push rod (3), oil cylinder (4) and toggle (5) form, toggle (5) is located at the left and right sides of oil cylinder (4) bottom, the top of oil cylinder (4) is provided with push rod (3), the bottom of push rod (3) is connected with the top of toggle (5), the top center of push rod (3) is provided with groove, cushion block (2) is located in this groove, and guide pin bushing (1) is fixed on the bottom of hydraulic press operating platform, and push rod (3) is located in the endoporus of guide pin bushing (1).
2. a kind of multi-functional liquid metal forging hydraulic press according to claim 1, it is characterized in that: described travelling table is comprised of workbench (9), sill (10), jack-up oil cylinder (11), roller (12) and Shift cylinder (13), the below of workbench (9) contacts with the roller (12) that is arranged on jack-up oil cylinder (11) top, the arranged on left and right sides of sill (10) is respectively established a Shift cylinder (13), and 20 jack-up oil cylinders (11) are located at respectively the both sides of sill (10) and Shift cylinder (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110129734 CN102151778B (en) | 2011-05-18 | 2011-05-18 | Outsize multifunctional die pressing forging oil press |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110129734 CN102151778B (en) | 2011-05-18 | 2011-05-18 | Outsize multifunctional die pressing forging oil press |
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| CN102151778A CN102151778A (en) | 2011-08-17 |
| CN102151778B true CN102151778B (en) | 2013-04-10 |
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| CN 201110129734 Active CN102151778B (en) | 2011-05-18 | 2011-05-18 | Outsize multifunctional die pressing forging oil press |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102756064A (en) * | 2012-08-09 | 2012-10-31 | 山东义信重机制造有限公司 | Forging press main machine |
| CN104588556A (en) * | 2015-01-28 | 2015-05-06 | 中国重型机械研究院股份公司 | Fixing device of movable workbench oil cylinder of forging press |
| CN107774854B (en) * | 2017-09-05 | 2023-11-14 | 南京中远海运船舶设备配件有限公司 | Marine medium speed machine pneumatic valve die forging apparatus for producing |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU640813A1 (en) * | 1977-06-21 | 1979-01-05 | Prokopov Vladimir Matveevich | Auxiliary support mechanism to driven mechanical press |
| CN2162349Y (en) * | 1992-12-05 | 1994-04-20 | 山东省冠县机械厂 | Horizontal type connecting rod boost oil hydraulic machine for cylinder |
| CN201244649Y (en) * | 2008-09-02 | 2009-05-27 | 罗建国 | Metal closed forging press using mechanical locking mould |
| CN201291279Y (en) * | 2008-11-24 | 2009-08-19 | 蔡寿生 | Magnesium alloy liquid die forging hydraulic device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002172500A (en) * | 2000-11-30 | 2002-06-18 | Kawasaki Hydromechanics Corp | Hydraulic control method for trial hydraulic press |
-
2011
- 2011-05-18 CN CN 201110129734 patent/CN102151778B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU640813A1 (en) * | 1977-06-21 | 1979-01-05 | Prokopov Vladimir Matveevich | Auxiliary support mechanism to driven mechanical press |
| CN2162349Y (en) * | 1992-12-05 | 1994-04-20 | 山东省冠县机械厂 | Horizontal type connecting rod boost oil hydraulic machine for cylinder |
| CN201244649Y (en) * | 2008-09-02 | 2009-05-27 | 罗建国 | Metal closed forging press using mechanical locking mould |
| CN201291279Y (en) * | 2008-11-24 | 2009-08-19 | 蔡寿生 | Magnesium alloy liquid die forging hydraulic device |
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| CN102151778A (en) | 2011-08-17 |
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Address after: Songjiang District Shanghai Yexie town 201609 Huayuan Road No. 2 Patentee after: SHANGHAI CHANGQIANG INDUSTRIAL TECHNOLOGY Ltd. Address before: Songjiang District Shanghai Yexie town 201609 Huayuan Road No. 2 Patentee before: SHANGHAI CHANGQIANG POWER Co.,Ltd. |
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Inventor after: Zhou Qiqi Inventor after: Zhou Juming Inventor before: Zhou Juming |
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