CN208643988U - A kind of die forging hot forging ejection cylinder - Google Patents
A kind of die forging hot forging ejection cylinder Download PDFInfo
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- CN208643988U CN208643988U CN201821131985.1U CN201821131985U CN208643988U CN 208643988 U CN208643988 U CN 208643988U CN 201821131985 U CN201821131985 U CN 201821131985U CN 208643988 U CN208643988 U CN 208643988U
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- piston rod
- cylinder body
- cylinder
- hydraulic fluid
- fluid port
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- 238000005242 forging Methods 0.000 title claims abstract description 85
- 239000012530 fluid Substances 0.000 claims abstract description 44
- 238000007789 sealing Methods 0.000 claims description 6
- 239000003208 petroleum Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 description 7
- 230000005611 electricity Effects 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000009497 press forging Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model relates to hot forging ejection cylinder technical fields, and in particular to a kind of die forging hot forging ejection cylinder.Including ejection cylinder I and ejection cylinder II；Ejection cylinder I includes cylinder body I and piston rod I, and piston rod I is arranged in cylinder body I；Cavity is provided in piston rod I, cavity is cylinder body II, is provided with piston rod II in cylinder body II；I lower part of cylinder body is provided with hydraulic fluid port I, and I top of cylinder body is provided with hydraulic fluid port II, and I top of piston rod is provided with hydraulic fluid port III；Piston rod bottom centre is provided with circular hole.The utility model by major diameter oil cylinder after the mobile a distance of hot forging in mold, then with the hot forging in the quick ejection die of minor diameter oil cylinder.
Description
Technical field
The utility model relates to hot forging ejection cylinder technical fields, and in particular to a kind of die forging hot forging ejection cylinder.
Background technique
In forging industrial circle die forging production, hot forging is ejected out of mold after forging equipment strike.
Current forging factory largely configures cylinder liftout, but cylinder top power is small, when new mold begins to use,
Because hot-forging die rough surface hot forging goes out, mold forces are big, and the hot forging top in hot forged mould does not come out, and die hardness is caused to reduce,
Influence forging mold service life and forging production efficiency.And since cylinder own characteristic (starts the fast quick access of cylinder to forge close in die cavity
Part, top power is from small to large；When the unexpected stress of cylinder is small (forging ejection), cylinder piston rod is fast moved), start to push up motionless heat
Forging, when ejecting forging, forging quickly pops up hot-forging die, dangerous.
It is big using power consumption in common oil cylinder liftout production process, since in forging, a forging equipment is more than
A kind of hot forging is forged, if meeting the big hot forging of top power, needs to configure the oil cylinder and big pumping plant of major diameter.When forging is pushed up
When the small hot forging of power, aobvious hot forging depanning is slow, and forging production efficiency is low.Equipment of pumping station investment is big, and power consumption is big.
Utility model content
Utility model aims to solve small dangerous, the common oil cylinder liftout depannings of existing cylinder top power to produce slowly
The problem of low efficiency and the advantages of a kind of die forging hot forging ejection cylinder is provided, is obtained for major diameter oil cylinder hot in mold
After the mobile a distance of forging, then with the hot forging in the quick ejection die of minor diameter oil cylinder.
The technical solution of the utility model is as follows:
A kind of die forging hot forging ejection cylinder, it is characterised in that: including ejection cylinder I and ejection cylinder II；
The ejection cylinder I includes cylinder body I and piston rod I, and the piston rod I is arranged in cylinder body I；
Cavity is provided in the piston rod I, the cavity is cylinder body II, is provided with piston rod II in the cylinder body II；
I lower part of cylinder body is provided with hydraulic fluid port I, and I top of cylinder body is provided with hydraulic fluid port II, and I top of piston rod is set
It is equipped with hydraulic fluid port III；
I bottom centre of piston rod is provided with circular hole.
Preferably, the piston rod I is realized in same direction with piston rod II and is displaced, the setting of piston rod II exists
Inside piston rod I, the gap between the piston rod I and piston rod II is a sealing element specification.
Preferably, the piston rod I is arranged in cylinder body I, the gap between the piston rod I and cylinder body I is one
Sealing element specification.
Preferably, I top of cylinder body is arranged the limiting card I of restricted I stroke of piston rod, in the piston rod I
The limiting card II of restricted II stroke of piston rod is arranged in cylinder body II.
Preferably, reversal valve is respectively arranged on the hydraulic fluid port I, hydraulic fluid port II and hydraulic fluid port III, hydraulic fluid port I, hydraulic fluid port II and oil
Mouth III is connected to by petroleum pipeline with external hydraulic pump respectively.
Preferably, I diameter of cylinder body is the large tank diameter for ejecting maximum, force setting according to hot forging, the cylinder body
II diameter is the cylinder diameter being arranged according to 5-15 times of hot forging weight.
The course of work: ejection cylinder is in original position, and after press machine hits hot forging, high pressure oil enters from hydraulic fluid port I, hydraulic fluid port II
Fuel-displaced, piston rod I is mobile, is moved to the limiting card I of cylinder body I, piston rod I stops movement, and (hot forging has been moved off mold at this time
Surface), hydraulic fluid port I continues oil inlet, and oil enters cylinder body II from circular hole, and high pressure oil pushes piston rod II, and piston rod II is hot forging
Eject hot-forging die.After hot forging leaves mold, high pressure oil is simultaneously from III oil inlet of hydraulic fluid port II and hydraulic fluid port, and fuel-displaced from hydraulic fluid port I, oil cylinder is fast
Fast Hui Yuanwei.
The utility model has the beneficial effects that
The utility model is that design is reasonable, novel, safety convenient to use.
The application by using big top power allow hot forging leave hot forging mould surface after, then with small top power hot forging from
It is quickly ejected in hot-forging die；After hot forging leaves hot-forging die, oil cylinder is quickly returning to original position again, improves forging production efficiency.It reduces
The noise of high pressure gas reduces equipment of pumping station investment, reduces electricity consumption.
The oil cylinder of this application is used on 1600 tons of friction press forging lines, forging production efficiency improves 15%,
Die life improves 12%, and equipment dynamic electricity reduces by 0.8%.
In addition, the utility model Method And Principle is reliable, step is simple, has very extensive application prospect.
It can be seen that the utility model compared with prior art, has substantive features and progress, the beneficial effect implemented
Fruit is also obvious.
Detailed description of the invention
Fig. 1 is the schematic diagram of the section structure of the utility model.
Wherein, 1- cylinder body I, 2- piston rod I, 3- cylinder body II, 4- piston rod II, 5- hydraulic fluid port I, 6- hydraulic fluid port II, 7- hydraulic fluid port III,
8- circular hole, 9- limiting card I, 10- limiting card II.
Specific embodiment
Embodiment 1:
No. 5 output shaft forged pieces of 1600 tons of friction press closed-die forgings, forge weight 36.5kg, hot forging ejecting force 20
Ton ejects hot forging stroke 150mm.
A kind of die forging hot forging ejection cylinder, including ejection cylinder I and ejection cylinder II；Ejection cylinder I includes that inner wall is straight
The piston rod I 2 that the cylinder body I 1 and diameter that diameter is 200mm are 180mm, piston rod I 2 are arranged in cylinder body I 1；It is set in piston rod I 2
It is equipped with cavity, cavity is the cylinder body II 3 that diameter is 80mm, and the piston rod II 4 that diameter is 63mm is provided in cylinder body II 3；Cylinder
I 1 lower part of body is provided with hydraulic fluid port I 5, and I 1 top of cylinder body is provided with hydraulic fluid port II 6, and I 2 top of piston rod is provided with hydraulic fluid port III 7；Piston rod
I bottom centre is provided with circular hole 8.Piston rod I 2 and piston rod II 4, which are realized in same direction, to be displaced, and the setting of piston rod II 4 exists
Inside piston rod I 2, the gap between piston rod I 2 and piston rod II 4 is a sealing element specification.Piston rod I 2 is arranged in cylinder body
In I 1, the gap between piston rod I 2 and cylinder body I 1 is a sealing element specification.Restricted piston rod I 2 is arranged in I 1 top of cylinder body
The limiting card II 10 of restricted II 4 stroke of piston rod is arranged in the limiting card I 9 of stroke, the cylinder body II 3 in piston rod I 2.Hydraulic fluid port I 5,
It is respectively arranged with reversal valve on hydraulic fluid port II 6 and hydraulic fluid port III 7, hydraulic fluid port I 5, hydraulic fluid port II 6 and hydraulic fluid port III 7 are respectively by petroleum pipeline and outer
The hydraulic pump in portion is connected to.
The course of work:
Ejection cylinder is in original position, and after press machine hits hot forging, high pressure oil enters from hydraulic fluid port I 5, and hydraulic fluid port II 6 is fuel-displaced, directly
Diameter is mobile for 180mm piston rod I 2, and 30 millimeters of the I 9(oil cylinder stroke of limiting card of cylinder body I 1 is moved to after 30 millimeters mobile), piston
Bar I 2 stops mobile (hot forging has been moved off die surface at this time), and hydraulic fluid port I 5 continues oil inlet, the circular hole 8 that oil is 30mm from diameter
Into cylinder body II 3, high pressure oil pushes the piston rod II 4 that diameter is 80mm, and piston rod II 4 pushes 120mm to reach cylinder body
Hot forging is ejected hot-forging die by II limiting card II 10, piston rod II 4.After hot forging leaves mold, high pressure oil is simultaneously from hydraulic fluid port
II 6 and III 7 oil inlet of hydraulic fluid port, fuel-displaced from hydraulic fluid port I 5, oil cylinder quickly goes back to original position.
The oil cylinder of this application is used on 1600 tons of friction press forging lines, forging production efficiency improves 15%,
Die life improves 12%, and equipment dynamic electricity reduces by 0.8%.
Embodiment 2:
2500 tons of hotdie forging presses forge half forging shaft of agricultural vehicle, and forge weight 5.5kg, is pushed up by 5 tons of hot forging ejecting force
Hot forging stroke 50mm out.
The diameter for designing cylinder body I is 100mm, and the diameter of piston rod I is 90mm；The diameter for designing cylinder body II is 50mm, living
The diameter of stopper rod II is 40mm.
The course of work such as embodiment 1.
The above is only the preferred embodiment of the utility model, not does limit in any form to the utility model
System, done any modifications, equivalent replacements, and improvements etc., should be included in this reality within the spirit and principle of the utility model
Within novel protection scope.
Claims (6)
1. a kind of die forging hot forging ejection cylinder, it is characterised in that: including ejection cylinder I and ejection cylinder II；
The ejection cylinder I includes cylinder body I and piston rod I, and the piston rod I is arranged in cylinder body I；
Cavity is provided in the piston rod I, the cavity is cylinder body II, is provided with piston rod II in the cylinder body II；
I lower part of cylinder body is provided with hydraulic fluid port I, and I top of cylinder body is provided with hydraulic fluid port II, and I top of piston rod is provided with
Hydraulic fluid port III；
I bottom centre of piston rod is provided with circular hole.
2. a kind of die forging hot forging ejection cylinder according to claim 1, it is characterised in that: the piston rod I and piston
Bar II realizes in same direction and is displaced that the piston rod II is arranged inside piston rod I, the piston rod I and piston rod II
Between gap be a sealing element specification.
3. a kind of die forging hot forging ejection cylinder according to claim 1, it is characterised in that: the setting of piston rod I exists
In cylinder body I, the gap between the piston rod I and cylinder body I is a sealing element specification.
4. a kind of die forging hot forging ejection cylinder according to claim 1, it is characterised in that: I top of the cylinder body setting
The limit of restricted II stroke of piston rod is arranged in the limiting card I of restricted I stroke of piston rod, the cylinder body II in the piston rod I
Card II.
5. a kind of die forging hot forging ejection cylinder according to claim 1, it is characterised in that: the hydraulic fluid port I, II and of hydraulic fluid port
Reversal valve is respectively arranged on hydraulic fluid port III, hydraulic fluid port I, hydraulic fluid port II and hydraulic fluid port III are connected by petroleum pipeline and external hydraulic pump respectively
It is logical.
6. a kind of die forging hot forging ejection cylinder according to claim 1, it is characterised in that: I diameter of cylinder body is root
According to the large tank diameter of hot forging ejection maximum, force setting, II diameter of cylinder body is to be arranged according to 5-15 times of hot forging weight
Cylinder diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821131985.1U CN208643988U (en) | 2018-07-17 | 2018-07-17 | A kind of die forging hot forging ejection cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821131985.1U CN208643988U (en) | 2018-07-17 | 2018-07-17 | A kind of die forging hot forging ejection cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208643988U true CN208643988U (en) | 2019-03-26 |
Family
ID=65785417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821131985.1U Active CN208643988U (en) | 2018-07-17 | 2018-07-17 | A kind of die forging hot forging ejection cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208643988U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108856624A (en) * | 2018-07-17 | 2018-11-23 | 日照德信机械制造有限公司 | A kind of die forging hot forging ejection cylinder |
-
2018
- 2018-07-17 CN CN201821131985.1U patent/CN208643988U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108856624A (en) * | 2018-07-17 | 2018-11-23 | 日照德信机械制造有限公司 | A kind of die forging hot forging ejection cylinder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An ejector cylinder for die forging hot forging Effective date of registration: 20210922 Granted publication date: 20190326 Pledgee: Agricultural Bank of China Limited Rizhao Branch Pledgor: RIZHAO DEXIN MACHINERY MANUFACTURING Co.,Ltd. Registration number: Y2021980009646 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20190326 Pledgee: Agricultural Bank of China Limited Rizhao Branch Pledgor: RIZHAO DEXIN MACHINERY MANUFACTURING Co.,Ltd. Registration number: Y2021980009646 |