CN109175180B - A kind of hydraulic forging press of single-beam cylinder moving type - Google Patents
A kind of hydraulic forging press of single-beam cylinder moving type Download PDFInfo
- Publication number
- CN109175180B CN109175180B CN201811024009.0A CN201811024009A CN109175180B CN 109175180 B CN109175180 B CN 109175180B CN 201811024009 A CN201811024009 A CN 201811024009A CN 109175180 B CN109175180 B CN 109175180B
- Authority
- CN
- China
- Prior art keywords
- oilhole
- cylinder
- hydraulic
- cylinder body
- plunger
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J7/00—Hammers; Forging machines with hammers or die jaws acting by impact
- B21J7/20—Drives for hammers; Transmission means therefor
- B21J7/22—Drives for hammers; Transmission means therefor for power hammers
- B21J7/28—Drives for hammers; Transmission means therefor for power hammers operated by hydraulic or liquid pressure
Abstract
The invention belongs to metal forming equipment correlative technology fields, and it discloses a kind of hydraulic forging press of single-beam cylinder moving type, hydraulic forging press includes fuselage, hydraulic cylinder and tup, the guide groove that fuselage is formed with operating space and is connected with operating space；Hydraulic cylinder includes cylinder body, plunger, piston rod and piston, and one end of cylinder body is formed with working chamber, and the other end is positioned partially in guide groove and is connected with tup；One end of plunger offers blind hole, and the other end is connected to fuselage and offers the first oilhole being connected with blind hole, the second oilhole through plunger and the third oilhole through blind hole hole wall；Piston piston rod connection cylinder body and be set in blind hole；One end of plunger is set in working chamber；Realize that cylinder body drives tup work and backhaul with different active forces and speed into oil extraction state by the first oilhole of control, the second oilhole and third oilhole.This invention simplifies structures, reduce costs, and realize the classification of forging pressure and speed.
Description
Technical field
The invention belongs to metal forming equipment correlative technology fields, more particularly, to a kind of single-beam cylinder moving type
Hydraulic forging press.
Background technique
Flat-die forging is the basic technology for producing large forgings, and forging of the general weight less than 5 tons is mostly on flat-die hammer
It carries out.Since the forming of flat-die hammer tup kinetic energy, shock and vibration effect on environment are big, it is not suitable with the demand of production development.From
Fast by hydraulic forging press Forging Equipment Speed, control precision is good, environmental protection, gradually starts to replace flat-die hammer.
For free-forging hydraulic due to its process characteristic, operating cylinder is all made of plunger cylinder, and group oil cylinder driving is hydraulic
Machine moved cross beam is forged, and another group oil cylinder drives the backhaul of hydraulic press moved cross beam.In forging ability with flat-die hammer phase
When small-sized hydraulic forging press there are two types of: one is cylinder moving type structure, another kind is conventional plunger action type structure.
The cylinder body of conventional plunger action type hydraulic forging press is fixed on fuselage, and plunger is connect with moved cross beam, and plunger exists
Push moved cross beam and tup mounted thereto (upper anvil) to component shaping under action of hydraulic force, kicker cylinder one end is fixed on machine
With, the other end is fixed on moved cross beam, and moved cross beam drives backhaul by kicker cylinder, and this construction weight is high, and amount of exercise is big,
Manufacturing cost is high.
The Cylinder Plunger of cylinder moving type structure is fixed on fuselage, hydraulic coupling drivig cylinder and is mounted on the tup of cylinder bottom to work
Part forming, by kicker cylinder drivig cylinder backhaul when backhaul, this structure motion light weight, press action response is fast, manufacturing cost
It is low, it is small-sized free-forging hydraulic common structure.
Currently, cylinder moving type hydraulic forging press has two kinds of structure types of single-column and twin columns, both structures all by with fuselage
Fixed pull rod, upper beam composition load-bearing frame fix Cylinder Plunger, and cylinder body is oriented to using fuselage, the top of cylinder body utilizes small
Crossbeam (or supporting plate) forms moved cross beam with two kicker cylinders being fixed on fuselage to drive cylinder body backhaul.
This traditional structure of cylinder moving type hydraulic forging press needs two backhaul oil cylinders, to have installation kicker cylinder on fuselage
Space, the needle beam that is connect with cylinder body of backhaul cylinder plug etc., so to the intensity of fuselage, attended operation space, manufacturing cost
It is adversely affected etc. bringing, while existing cylinder moving type hydraulic forging press can not also realize work pressure as large-sized forging hydraulic press
Power classification, so causes the mismatch of the forging pressure and system capacity under different operating conditions.Correspondingly, this field, which is deposited, develops one
Kind can be realized the technical need of the hydraulic forging press of operating pressure classification.
Summary of the invention
Aiming at the above defects or improvement requirements of the prior art, the present invention provides a kind of forging compounds of single-beam cylinder moving type
Press, based on the work characteristics of existing hydraulic forging press, studying and devise one kind can be realized operating pressure classification and ties
The hydraulic forging press of the simple single-beam cylinder moving type of structure.The hydraulic forging press realized by hydraulic cylinder the pressure of tup with
Backhaul, and the hydraulic cylinder realizes that the classification of pressure and speed is adjusted, and is simplified into oil extraction state by control oilhole
The airframe structure of hydraulic forging press saves backhaul oil cylinders and needle beam, and working service is simple, and manufacturing cost is lower.
To achieve the above object, the present invention provides a kind of hydraulic forging press of single-beam cylinder moving type, the forging is hydraulic
Machine includes fuselage, hydraulic cylinder and tup, and the fuselage is formed with operating space, and the upper end offers and the operating space phase
The guide groove of connection；The hydraulic cylinder includes cylinder body, plunger, piston rod and piston, and one end of the cylinder body is formed with work
Chamber, the other end are positioned partially in the guide groove and are connected with the tup；One end of the plunger offers blind hole, separately
One end is fixedly connected on the fuselage and offers the first oilhole being connected with the blind hole, and the plunger is also provided with second
Oilhole and third oilhole, second oilhole and the third oilhole are arranged around the blind hole；Second oilhole is through described
Plunger, and be connected with the working chamber；One end of the third oilhole is located at the one end of the plunger far from the cylinder body, separately
The hole wall of the blind hole is run through in one end；One end of the piston rod is fixedly connected on the one end of the cylinder body far from the plunger,
The other end is connected to the piston；The piston is set in the blind hole；The one end of the plunger far from first oilhole
It is set in the working chamber；
By controlling the described to realize into oil extraction state of first oilhole, second oilhole and the third oilhole
The classification of the pressure and speed of hydraulic cylinder and the stretching and retraction of the cylinder body, and then realize the cylinder body with different
Active force and speed drive the tup work and backhaul.
Further, the hydraulic forging press further includes lower anvil, pull rod and upper beam, and the lower anvil is arranged in the fuselage
Lower end and be located at the operating space in；Described pull rod one end is fixedly connected on the upper end of the fuselage, and the other end is connected to
The upper beam；There is scheduled interval between the upper beam and the fuselage；The one end of the plunger far from the cylinder body
It is fixedly connected on the upper beam.
Further, the quantity of the pull rod is multiple；The guide groove is perpendicular to the cross section in length direction
Circle, multiple pull rods are uniformly arranged around the central axis of the guide groove.
Further, the hydraulic forging press further includes control valve group and controller, the valve of the control valve group respectively with
First oilhole, second oilhole and the third oilhole are connected, and the controller is for controlling the control valve group
In each valve unlatch and close adjust first oilhole, second oilhole and the third oilhole into oil extraction shape
State, and then the forging pressure and speed of the hydraulic forging press are adjusted, realize the output of three-level forging pressure and speed.
Further, the hydraulic cylinder further includes cylinder cap and guidance set, and the cylinder cap and guidance set are arranged in institute
It states in the one end of blind hole far from first oilhole, the piston rod is connected to the cylinder after passing through the cylinder cap and guidance set
Body.
Further, first oilhole, second oilhole and the third oilhole into oil extraction state include four kinds,
Wherein, the first is that first oilhole connects pressure oil into oil extraction state, and second oilhole and the third oilhole take back oil；
Second is that second oilhole connects pressure oil into oil extraction state, and first oilhole and the third oilhole take back oil；Third
Kind is that first oilhole and second oilhole connect pressure oil into oil extraction state, and the third oilhole takes back oil；4th kind into
Oil extraction state is that the third oilhole connects pressure oil, and first oilhole and second oilhole take back oil.
Further, the hydraulic cylinder be in it is described the first into oil extraction state, it is described second into oil extraction state and
It is described the third into oil extraction state when, the cylinder body stretches out, and the active force of the cylinder body and speed are different, i.e., the described cylinder
Body drives the tup work with three kinds of different active forces and speed.
Further, when the hydraulic cylinder is in the 4th kind into oil extraction state, the cylinder body is retracted, i.e., the described cylinder body court
To the plunger motion.
Further, it is described the first into oil extraction state when, the active area of the hydraulic cylinder is the face of the piston
Product；Described second into oil extraction state when, the active area of the hydraulic cylinder is the working chamber perpendicular to its own length
The difference of the area of the area of the cross section in direction and the piston rod；When the third is into oil extraction state, the work of the hydraulic cylinder
With area be the working chamber perpendicular to the difference of the cross-sectional area of its own length direction and the area of the piston rod and
The sum of the area of the piston.
Further, the hydraulic cylinder further includes fixing piece, and the cylinder body offers recessed far from one end of the plunger
Slot and the through-hole being connected with the groove and the working chamber, the fixing piece are arranged in the groove, the piston
Bar is connected to the fixing piece after passing through the through-hole, and thus the piston rod is fixedly connected on the cylinder body；The tup connects
It is connected to the fixing piece, thus the tup is connected to the cylinder body.
In general, through the invention it is contemplated above technical scheme is compared with the prior art, list provided by the invention
The hydraulic forging press of crossbeam cylinder moving type mainly has the advantages that
1. by control first oilhole, second oilhole and the third oilhole into oil extraction state to realize
The classification of the pressure and speed of hydraulic cylinder and the stretching and retraction of the cylinder body are stated, and then realizes the cylinder body with difference
Active force and speed drive tup work and backhaul, simplify airframe structure, eliminate backhaul oil cylinders and needle beam,
Working service is simple and convenient, significantly reduces the investment and operating cost of equipment, improves efficiency.
2. one end of the plunger offers blind hole, the other end is fixedly connected on the fuselage and offers and the blind hole
The first oilhole being connected, the plunger are also provided with the second oilhole and third oilhole, and thus the hydraulic cylinder is in same liquid
Three kinds of different active forces and operating rate are exported under the action of potential source to drive the tup to push, so that hydraulic forging press mentions
Supplied three kinds of forging forces, easily realized pressure classification, be capable of providing when carrying out flat-die forging jumping-up, pulling, quickly
Different forging forces needed for three kinds of processes of finishing, to adapt to the demand of different working conditions, and then improve work efficiency, subtract
Small energy waste, it is compact-sized, and multiple working cylinders are not necessarily to, improve practicability；Meanwhile the hydraulic cylinder can also drive
The tup backhaul.
3. adjusting first oilhole, described the by controlling unlatching and closing for each valve in the control valve group
Two oilholes and the third oilhole into oil extraction state, and then adjust the forging pressure of the hydraulic forging press and speed, drop
The low installed power of hydraulic forging press, expands application range, practicability is stronger.
4. first oilhole, second oilhole and the third oilhole into oil extraction state include four kinds, i.e., it is described
Hydraulic cylinder is there are four types of working condition, and four kinds of working conditions are by controlling first oilhole, second oilhole and described the
Can be realized into oil extraction for three oilholes, easily operated, conversion is simple.
5. the hydraulic cylinder is integrated with hydraulic piston rod oil cylinder and plunger case, can be implemented separately three kinds of different role power and
The output of speed extends the application range of hydraulic forging press, is conducive to promote and apply, the perfect function of the hydraulic cylinder
Energy.
Detailed description of the invention
Fig. 1 is that the hydraulic forging press for the single-beam cylinder moving type that first embodiment of the invention provides is in showing for use state
It is intended to.
Fig. 2 is that the hydraulic forging press for the single-beam cylinder moving type that second embodiment of the invention provides is in showing for use state
It is intended to.
In all the appended drawings, identical appended drawing reference is used to denote the same element or structure, in which: 1- fuselage, under 2-
Anvil, 3- tup, 4- fixing piece, 5- nut, 6- pull rod, 7- cylinder cap and guidance set, 8- piston rod, 9- cylinder body, 10- plunger, 11-
Piston, 12- upper beam.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.As long as in addition, technical characteristic involved in the various embodiments of the present invention described below
Not constituting a conflict with each other can be combined with each other.
Referring to Fig. 1, the hydraulic forging press for the single-beam cylinder moving type that first embodiment of the invention provides, the forging compound
Press includes fuselage 1, the lower anvil 2 being arranged on the fuselage 1, the pull rod 6 being arranged on the fuselage, is connected to the pull rod
6 upper beam 12, the hydraulic cylinder for being fixedly connected on the upper beam 12 and the tup 3 for being connected to the hydraulic cylinder.
The fuselage 1 is C-shaped, and the upper end is opened up there are four mounting hole, and one end of four pull rods 6 passes through the installation
Hole, and be fixed on the fuselage 1 by nut 5.The fuselage 1 is formed with operating space, and the lower anvil 2 is fixed on the machine
The lower end of body 1, and it is located in the operating space.In present embodiment, the operating space is for accommodating work to be forged
Part and space is provided for the movement of the tup 3.The tup 3 is oppositely arranged with the lower anvil 2.
The other end of the pull rod 6 is connected to the upper beam 12, the upper beam 12 and institute after passing through the mounting hole
Stating has preset space length between fuselage 1.The upper end of the fuselage 1 offers guide groove, the guide groove and the operating space
It is connected, is used to provide guiding for the movement of the hydraulic cylinder.In present embodiment, four mounting holes are led around described
It uniformly arranges to slot.
The hydraulic cylinder includes cylinder body 9, fixing piece 4, piston rod 8, cylinder cap and guidance set 7, piston 11 and plunger 10,
One end of the plunger 10 is set in the cylinder body 9, and the other end is connected to the upper beam 12.The both ends of the piston rod 8
It is respectively arranged in the cylinder body 9 and the plunger 10, the piston 11 and the fixing piece 4 are connected to the piston rod
8 opposite both ends, the piston rod 8 are fixed on the cylinder body 9 by the fixing piece 4.The cylinder cap and guidance set 7 are set
It sets in the plunger 10, and the piston rod 8 passes through the cylinder cap and guidance set 7.
One end of the cylinder body 9 is formed with working chamber, and the other end is connected to the tup 3.The cylinder body 9 is for driving institute
Tup 3 is stated to move up and down.The working chamber is for accommodating the plunger 10 and the piston rod 8.The cylinder body 9 it is another
End opens up fluted, and the groove is for accommodating the fixing piece 4.The cylinder body 9 is also provided with through-hole, the through-hole with it is described
Groove and the working chamber are connected, and it is used to pass through for the piston rod 8.In present embodiment, the texturearunaperpendicular
It is circle in the cross section in length direction, the working chamber is also round, institute perpendicular to the cross section in length direction
State the center overlapping of axles of the central axis of through-hole, the central axis of the groove and the working chamber.
The plunger 10 is cylindrical, and one end offers blind hole, and the blind hole is for accommodating the piston rod 8, described
Cylinder cap and guidance set 7 and the piston 11.In present embodiment, the central axis of the central axis of the blind hole and the plunger 10
It is overlapped.The other end of the plunger 10 offers the first oilhole A, and the first oilhole A is connected with the blind hole.The plunger
10 are also provided with the second oilhole B and third oilhole C, the second oilhole B and the third oilhole C are arranged around the blind hole, and
One end of the second oilhole B and the third oilhole C are respectively positioned on the one end of the plunger 10 far from the cylinder body 9, and described
Two oilhole B run through the plunger 10, are connected with the working chamber.The other end of the third oilhole C is located at the cylinder cap
Between guidance set 4 and the piston 11, between the cylinder cap and guidance set 4, the plunger 10 and the piston 6
The rod chamber of formation is connected.By control the first oilhole A, the second oilhole B and the third oilhole C into oil extraction
State realizes the pressure and velocity stages of the hydraulic cylinder.In present embodiment, the hydraulic cylinder can provide three-level
Pressure and speed.
The cylinder cap and guidance set 7 are placed in the blind hole, are located at the plunger 10 and are located in the working chamber
One end in.One end of the piston rod 8 is connected to the piston 11, the piston after passing through the cylinder cap and guidance set 7
11 are set in the blind hole.The other end of the piston rod 8 is connected to the fixing piece 4 after passing through the through-hole, described solid
Part 4 is determined for the piston rod 8 to be fixedly connected on the cylinder body 9.The tup 3 is connected to the fixing piece 4, thus described
Tup 3 is connected to the cylinder body 9.
In present embodiment, the plunger 10, the piston rod 8, the cylinder cap and guidance set 7 and the piston 11 exist
Inside forms a two-action single-rod hydraulic cylinder, the cylinder body of the plunger 10 two-action single-rod hydraulic cylinder thus；Institute
It states the first oilhole A to be connected with the rodless cavity of the single-piston-rod hydraulic cylinder, the third oilhole C and the single-piston rod are hydraulic
The rod chamber of cylinder is connected.When work, the plunger 10 is fixed, and the cylinder body 9 is stretched out and retracted, to drive the hammer
First 3 acting；The plunger 10, described cylinder body 9 etc. form plunger piston fluid pressure cylinder, the second oilhole B be the plunger cylinder into
Oil drain passage.
When the hydraulic cylinder works, when the first oilhole A connects pressure oil, the second oilhole B and third oil
Hole C takes back oil, and the active area of the hydraulic cylinder is the area of the piston 11, and the cylinder body 9 is stretched out to drive the hammer
First 3 move towards the lower anvil 2；When the second oilhole B connects pressure oil, the first oilhole A and the third oilhole C are taken back
Oil, the active area of the hydraulic cylinder are cross-sectional area and the work of the working chamber perpendicular to its own length direction
The difference of the area of stopper rod 8, the cylinder body 9 are stretched out to drive the tup 3 to move towards the lower anvil 2；The first oilhole A and
The second oilhole B connects pressure oil, and the third oilhole C takes back oil, and the active area of the hydraulic cylinder is the working chamber
The difference of the area of cross-sectional area and the piston rod 8 perpendicular to its own length direction and the area of the piston 11
Sum, the cylinder body 9 stretches out to drive the tup 3 to move towards the lower anvil 2；When the third oilhole C connects pressure oil, institute
It states the first oilhole A and the second oilhole B and takes back oil, area and institute of the active area of the hydraulic cylinder for the piston 11
State the difference of the area (area of the i.e. described piston rod 8 perpendicular to the cross section of its own length direction) of piston rod 8, the cylinder body
9 retract to drive the tup 3 to move towards the direction far from the lower anvil 2.So by changing the first oilhole A, described
The second oilhole B and third oilhole C into oil extraction state, to realize that the cylinder body 9 is stretched out and done with three kinds of pressure and speed
Function, and the retraction of the cylinder body 9 may be implemented, then realizing the tup 3 can be worked with three kinds of pressure and speed, and can be with
Backhaul.
In present embodiment, the hydraulic cylinder can carry out first class pressure and speed work, two stage pressures as requested
And speed work, three stage pressures and speed work；Also the single-acting (stretching) and double acting that cylinder body 9 may be implemented (stretch out and contract
Return) work.In addition, then forming the single-acting of two kinds of pressure and two kinds of velocity stages after the cylinder cap and guidance set 7 are removed
Plunger cylinder.
The hydraulic forging press further includes control valve group and controller, and the valve of the control valve group is oily with described first respectively
Hole A, the second oilhole B and the third oilhole C are connected, and the controller is each in the control valve group for controlling
Valve unlatch and close adjust the first oilhole A, the second oilhole B and the third oilhole C into oil extraction state, into
And the forging pressure and speed of the hydraulic forging press are adjusted, realize the output of three stage pressures and speed.
Referring to Fig. 2, the hydraulic forging press and the present invention the of the single-beam cylinder moving type that second embodiment of the invention provides
The hydraulic forging press for the single-beam cylinder moving type that one embodiment provides is essentially identical, and difference is fuselage, and the present invention second is real
The fuselage for the hydraulic forging press that the mode of applying provides is in O-shaped.
The hydraulic forging press of single-beam cylinder moving type provided by the invention, the hydraulic forging press are realized by hydraulic cylinder
The classification of forging pressure and speed, and structure is simplified, equipment cost is reduced, efficiency is improved；The institute of the hydraulic cylinder
It states plunger, the piston rod, the cylinder cap and guidance set and the piston and forms a double acting single-piston rod liquid in inside
Cylinder pressure；First oilhole is connected with the rodless cavity of the single-piston-rod hydraulic cylinder, the third oilhole and the single-piston
The rod chamber of bar hydraulic cylinder is connected, and the plunger, described cylinder body etc. form plunger piston fluid pressure cylinder, and second oilhole is the column
Fill in oil cylinder into oil drain passage；From there through the classification for realizing pressure and speed into oil extraction of three oilholes of control, structure letter
Single, cost is relatively low, easily controllable.
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, not to
The limitation present invention, any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should all include
Within protection scope of the present invention.
Claims (9)
1. a kind of hydraulic forging press of single-beam cylinder moving type, it is characterised in that:
The hydraulic forging press includes fuselage, hydraulic cylinder and tup, and the fuselage is formed with operating space, and the upper end offers
The guide groove being connected with the operating space；The hydraulic cylinder is integrated with hydraulic piston rod oil cylinder and plunger case comprising
Cylinder body, plunger, piston rod and piston, one end of the cylinder body are formed with working chamber, and the other end is positioned partially at the guide groove
It is interior and be connected with the tup；One end of the plunger offers blind hole, and the other end is fixedly connected on the fuselage and opens up
There is the first oilhole being connected with the blind hole, the plunger is also provided with the second oilhole and third oilhole, second oilhole
And the third oilhole is arranged around the blind hole；Second oilhole runs through the plunger, and is connected with the working chamber；Institute
The one end for stating third oilhole is located at the one end of the plunger far from the cylinder body, and the other end runs through the hole wall of the blind hole；It is described
One end of piston rod is fixedly connected on the one end of the cylinder body far from the plunger, and the other end is connected to the piston；The work
Plug is set in the blind hole；The plunger is set in the working chamber far from one end of first oilhole；
By controlling the described hydraulic to realize into oil extraction state of first oilhole, second oilhole and the third oilhole
The classification of the pressure and speed of oil cylinder and the stretching and retraction of the cylinder body, and then realize the cylinder body with different effects
Power and speed drive the tup work and backhaul；
First oilhole, second oilhole and the third oilhole into oil extraction state include four kinds, wherein the first into
Oil extraction state is that first oilhole connects pressure oil, and second oilhole and the third oilhole take back oil；Second into oil extraction
State is that second oilhole connects pressure oil, and first oilhole and the third oilhole take back oil；The third is into oil extraction state
Pressure oil is connect for first oilhole and second oilhole, the third oilhole takes back oil；4th kind into oil extraction state be institute
It states third oilhole and connects pressure oil, first oilhole and second oilhole take back oil.
2. the hydraulic forging press of single-beam cylinder moving type as described in claim 1, it is characterised in that: the hydraulic forging press also wraps
Lower anvil, pull rod and upper beam are included, the lower anvil is arranged in the lower end of the fuselage and is located in the operating space；The pull rod
One end is fixedly connected on the upper end of the fuselage, and the other end is connected to the upper beam；Between the upper beam and the fuselage
With scheduled interval；The plunger is fixedly connected on the upper beam far from one end of the cylinder body.
3. the hydraulic forging press of single-beam cylinder moving type as claimed in claim 2, it is characterised in that: the quantity of the pull rod is more
It is a；The guide groove is circle perpendicular to the cross section in length direction, and multiple pull rods are around the center of the guide groove
Axis is uniformly arranged.
4. the hydraulic forging press of single-beam cylinder moving type as described in any one of claims 1-3, it is characterised in that: the forging compound
Press further includes control valve group and controller, the valve of the control valve group respectively with first oilhole, second oilhole and
The third oilhole is connected, and the controller is used to control the unlatching and closing to adjust of each valve in the control valve group
First oilhole, second oilhole and the third oilhole into oil extraction state, and then adjust the hydraulic forging press
Forging pressure and speed realize the output of three-level forging pressure and speed.
5. the hydraulic forging press of single-beam cylinder moving type as described in any one of claims 1-3, it is characterised in that: the hydraulic oil
Cylinder further includes cylinder cap and guidance set, and the one end of the blind hole far from first oilhole is arranged in the cylinder cap and guidance set
Interior, the piston rod is connected to the cylinder body after passing through the cylinder cap and guidance set.
6. the hydraulic forging press of single-beam cylinder moving type as described in claim 1, it is characterised in that: the hydraulic cylinder is in institute
State the first into oil extraction state, it is described second into oil extraction state and it is described the third into oil extraction state when, the cylinder body is stretched
Out, and the active force of the cylinder body and speed are different, i.e., the described cylinder body is described in three kinds of different active forces and speed drive
Tup work.
7. the hydraulic forging press of single-beam cylinder moving type as described in claim 1, it is characterised in that: the hydraulic cylinder is in the
Four kinds into oil extraction state when, the cylinder body retracts, i.e., the described cylinder body is towards the plunger motion.
8. the hydraulic forging press of single-beam cylinder moving type as described in claim 1, it is characterised in that: it is described the first into oil extraction shape
When state, the active area of the hydraulic cylinder is the area of the piston；Described second into oil extraction state when, the hydraulic oil
The active area of cylinder is the working chamber perpendicular to the area of the cross section of its own length direction and the area of the piston rod
Difference；When the third is into oil extraction state, the active area of the hydraulic cylinder is the working chamber perpendicular to its own length side
To cross-sectional area and the piston rod area difference and the piston area and.
9. the hydraulic forging press of single-beam cylinder moving type as described in any one of claims 1-3, it is characterised in that: the hydraulic oil
Cylinder further includes fixing piece, the cylinder body far from one end of the plunger open up it is fluted and with the groove and the working chamber it is equal
The through-hole being connected, the fixing piece are arranged in the groove, and the piston rod is connected to described solid after the through-hole
Determine part, thus the piston rod is fixedly connected on the cylinder body；The tup is connected to the fixing piece, and thus the tup connects
It is connected to the cylinder body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811024009.0A CN109175180B (en) | 2018-09-04 | 2018-09-04 | A kind of hydraulic forging press of single-beam cylinder moving type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811024009.0A CN109175180B (en) | 2018-09-04 | 2018-09-04 | A kind of hydraulic forging press of single-beam cylinder moving type |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109175180A CN109175180A (en) | 2019-01-11 |
| CN109175180B true CN109175180B (en) | 2019-11-26 |
Family
ID=64914301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811024009.0A Active CN109175180B (en) | 2018-09-04 | 2018-09-04 | A kind of hydraulic forging press of single-beam cylinder moving type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109175180B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3345400B2 (en) * | 1997-10-15 | 2002-11-18 | エス エム エス オイムコ ゲゼルシャフト ミット ベシュレンクテル ハフツング | Hydraulic drive mechanism for slides on forging presses or machines |
| CN202606762U (en) * | 2012-05-03 | 2012-12-19 | 青岛华东工程机械有限公司 | Sleeve cylinder moving type press |
| CN202946472U (en) * | 2012-08-30 | 2013-05-22 | 中国地质科学院勘探技术研究所 | Small-flow fast-moving oil cylinder |
| CN204159808U (en) * | 2014-09-30 | 2015-02-18 | 上海兰石重工机械有限公司 | Cylinder moving type forging hydraulic press |
| CN206824583U (en) * | 2017-04-24 | 2018-01-02 | 湖南巨峰科技实业有限公司 | A kind of double acting quick forging machine |
-
2018
- 2018-09-04 CN CN201811024009.0A patent/CN109175180B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN109175180A (en) | 2019-01-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103963334B (en) | A kind of energy-saving type servo hydraulic machine of the mechanical-hydraulic compound with elbow-bar mechanism | |
| CN103148157B (en) | Multistage squash type MR damper | |
| DE4227065C2 (en) | Hydropneumatic hammer | |
| CN101973136A (en) | Cylinder beam integrated hydraulic press | |
| CN109175180B (en) | A kind of hydraulic forging press of single-beam cylinder moving type | |
| CN102632177B (en) | Cylinder-moving type pressing machine for sleeve cylinder | |
| CN104841831B (en) | Hydraulic multi-directional forging device | |
| CN104884184B (en) | Forming press | |
| CN103042716A (en) | Balance cylinder structure for hydraulic machine | |
| CN103850994A (en) | Electric boosting hydraulic cylinder and boosting method thereof | |
| CN102878147A (en) | Acceleration oil cylinder device | |
| CN111017785B (en) | Energy-saving hydraulic cylinder for reciprocating lifting | |
| CN104132023A (en) | Controllable variable-section hydraulic cylinder and hydraulic control system and method therefor | |
| CN203453173U (en) | Beading pushing oil cylinder of steel rail flash welding machine | |
| CN207064380U (en) | Double rod single-action hydraulic cylinders | |
| DE10339004B4 (en) | Hydraulic press | |
| CN201714739U (en) | Composite oil cylinder | |
| CN201535282U (en) | Double-tapping large-travel oil cylinder | |
| CN112483504A (en) | Double-acting single-rod symmetrical hydraulic cylinder capable of balancing gravity | |
| CN104632756A (en) | Two-way telescopic quick-changing oil cylinder | |
| DE102008027655B3 (en) | Fluid-operated drive device for use in automation engineering, has controlling device provided for simultaneously loading operating chambers of operating cylinders with drive fluid, such that working movement result from relative movements | |
| CN208651321U (en) | A kind of plunger piston fluid pressure cylinder of intermediate position oil inlet | |
| CN206785770U (en) | A kind of order hydraulic cylinder group | |
| CN203198106U (en) | Horizontal type closing device | |
| CN218873599U (en) | Die forging and free forging combined press |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |