CN109570426A - A kind of clamping control system and radial forging operate machine - Google Patents
A kind of clamping control system and radial forging operate machine Download PDFInfo
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- CN109570426A CN109570426A CN201910061838.4A CN201910061838A CN109570426A CN 109570426 A CN109570426 A CN 109570426A CN 201910061838 A CN201910061838 A CN 201910061838A CN 109570426 A CN109570426 A CN 109570426A
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- 238000005242 forging Methods 0.000 title claims abstract description 37
- 239000000446 fuel Substances 0.000 claims abstract description 45
- 239000007788 liquid Substances 0.000 claims description 23
- 230000007246 mechanism Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 3
- 238000003754 machining Methods 0.000 abstract description 5
- 230000033228 biological regulation Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 8
- 230000008901 benefit Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000009467 reduction Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000001502 supplementing effect Effects 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000009885 systemic effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J13/00—Details of machines for forging, pressing, or hammering
- B21J13/08—Accessories for handling work or tools
- B21J13/10—Manipulators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J9/00—Forging presses
- B21J9/10—Drives for forging presses
- B21J9/20—Control devices specially adapted to forging presses not restricted to one of the preceding subgroups
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The present invention provides a kind of clamping control systems and radial forging to operate machine, belongs to machining equipment technical field.Clamping control system includes fuel feeding valve group, master control valve group, first pressure sensor, second pressure sensor and oil cylinder；Master control valve group includes solenoid directional control valve and hydraulic control one-way valve, the oil inlet end of solenoid directional control valve is connect with fuel feeding valve group, solenoid directional control valve includes into the first fuel feeding end, the second fuel feeding end and oil revolving end, the oil inlet end connection of the first fuel feeding end and hydraulic control one-way valve, and the second fuel feeding end is connect with oil cylinder；The rodless cavity of oil cylinder and the oil outlet of hydraulic control one-way valve connect, and rod chamber is connect with the second fuel feeding end, and first pressure sensor is connect with rodless cavity, and second pressure sensor is connect with rod chamber.The real-time pressure data that the clamping control system is acquired by pressure sensor carries out automatic, regulation in real time to clamping pressure, improves the flexibility ratio and accuracy for clamping the pressure control of forging.
Description
Technical field
The present invention relates to machining equipment technical fields, in particular to a kind of clamping control system and radial forging
Manufacturing operation machine.
Background technique
With the scale and automation of field of machining, efficiency of the modern mechanical processing industry to machining equipment
More stringent requirements are proposed with the durability under intensive work, safety.For the forging manipulator in machining equipment,
The clamp pressure that existing forging manipulator generally judges forging manipulator to forging by having the staff of rich experiences
Whether suitable, there are clamp pressures to determine possible inaccuracy, can not adjust rapidly and neatly clamp pressure according to different forging
The problem of.
Summary of the invention
The purpose of the present invention is to provide a kind of clamping control systems, are sentenced with improving clamp pressure existing in the prior art
Fixed possible inaccuracy can not adjust rapidly and neatly the problem of clamp pressure according to different forging.
The embodiment of the present invention is achieved in that
The present invention provides a kind of clamping control system, the clamping control system includes fuel feeding valve group, master control valve group,
One pressure sensor, second pressure sensor and oil cylinder.The fuel feeding valve group is connect with oil feed pump；The master control valve group includes electricity
Magnetic reversal valve and hydraulic control one-way valve, the oil inlet end of the solenoid directional control valve are connect with the fuel feeding valve group, the solenoid directional control valve
Including connecting into the first fuel feeding end, the second fuel feeding end and oil revolving end, first fuel feeding end and the oil inlet end of the hydraulic control one-way valve
It connects, second fuel feeding end is connect with the oil cylinder；The oil cylinder includes rodless cavity and rod chamber, the rodless cavity and the liquid
Control the oil outlet connection of check valve, the rod chamber connect with second fuel feeding end, the first pressure sensor with it is described
Rodless cavity connection, the second pressure sensor are connect with the rod chamber.
In optional embodiment of the present invention, the fuel feeding valve group includes anti-decompression check valve and proportional pressure-reducing valve group, institute
The oil inlet end for stating anti-decompression check valve is connect with the oil feed pump, and the oil outlet of the anti-decompression check valve is subtracted by the ratio
Pressure valve group is connect with the oil inlet end of the solenoid directional control valve.
In optional embodiment of the present invention, the clamping control system further includes pilot valve, and the first of the pilot valve
End and third end are connect with the first oil outlet of the hydraulic control one-way valve respectively, and the 4th end and the electromagnetism of the pilot valve change
It is connected to the second oil outlet of valve.
In optional embodiment of the present invention, the solenoid directional control valve includes the first electromagnet and the second electromagnet；It is described
When first electromagnet is powered, the oil inlet end and oil outlet of the hydraulic control one-way valve generate pressure difference, the main valve of the hydraulic control one-way valve
Core is opened, and oil liquid successively passes through the first fuel feeding end of the solenoid directional control valve, the oil inlet end of the hydraulic control one-way valve and described
The oil outlet of hydraulic control one-way valve enters the rodless cavity；Described in when the first pressure sensor feedback pressure reaches clamping value
The power-off of first electromagnet, the right side pressure release of the oil inlet end of the hydraulic control one-way valve and the pilot valve, the hydraulic control one-way valve
Main valve plug is closed so that the connecting rod of the rod chamber is tightly locked；When the first pressure sensor feedback pressure is down to preset threshold
Second electromagnet is powered, and oil liquid enters the rod chamber by second fuel feeding end of the solenoid directional control valve, described
The main valve plug of hydraulic control one-way valve is opened, and the rodless cavity oil return is so that the connecting rod unclamps.
In optional embodiment of the present invention, the hydraulic control one-way valve and the pilot valve are big flow plug-in hydraulic control list
To valve.
In optional embodiment of the present invention, the clamping control system further includes pressure-relief valve, the oil inlet of the pressure-relief valve
End is connect with the oil revolving end of the rodless cavity and the solenoid directional control valve respectively.
In optional embodiment of the present invention, the clamping control system further includes back pressure valve group, the back pressure valve group
Oil inlet end is connect with the oil revolving end of the solenoid directional control valve.
In optional embodiment of the present invention, peace is additionally provided between the oil inlet end and the rodless cavity of the back pressure valve group
Full valve.
In optional embodiment of the present invention, the anti-decompression check valve is provided with the control cover board with distance bar.
The present invention also provides a kind of radial forgings to operate machine, and the radial forging operation machine includes above-mentioned clamping control
System and the radial clamping mechanism driven by the oil cylinder for clamping control system, the clamping degree of the radial clamping mechanism
By the connecting rod control in the oil cylinder.
The beneficial effect of the embodiment of the present invention is:
The embodiment of the invention provides a kind of clamping control systems and radial forging to operate machine, and the clamping control system is logical
The oil liquid pressure information in first pressure sensor detection rodless cavity is crossed, the oil in rod chamber is detected by second pressure sensor
Then hydraulic force information controls connecting rod in oil cylinder according to the oil liquid pressure information that second pressure sensor obtains and unclamps to forging pair
It is corresponding to be clamped to forging according to connecting rod in the oil liquid pressure information control oil cylinder of first pressure sensor acquisition for the suitable position answered
Suitable position and pressure supplementing function is provided, thus to suffered clamping pressure of forging during entire forging and stamping carry out rapidly,
Flexible control.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
By the way that shown in attached drawing, above and other purpose of the invention, feature and advantage will be more clear, in all the attached drawings
Identical appended drawing reference indicates identical part, does not deliberately draw attached drawing by actual size equal proportion scaling, it is preferred that emphasis is show
Purport of the invention out.
Fig. 1 is a kind of structural schematic diagram for clamping control system that first embodiment of the invention provides；
Fig. 2 is a kind of structural schematic diagram for fuel feeding valve group that first embodiment of the invention provides；
Fig. 3 is a kind of structural schematic diagram for master control valve group that first embodiment of the invention provides；
Fig. 4 is a kind of structural schematic diagram for oil return route that first embodiment of the invention provides.
Icon: 10- clamps control system；11- fuel feeding valve group；The anti-decompression check valve of 112-；114- proportional pressure-reducing valve group；
12- master control valve group；122- solenoid directional control valve；124- hydraulic control one-way valve；126- pilot valve；13- first pressure sensor；14-
Two pressure sensors；15- oil cylinder；152- rodless cavity；154- rod chamber；16- pressure-relief valve；17- back pressure valve group；18- safety valve.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the model that the present invention protects
It encloses.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be noted that the orientation or positional relationship of the instructions such as term "inner", "outside" is base
In orientation or positional relationship shown in the drawings or the invention product using when the orientation or positional relationship usually put, only
It is that for the convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning must have specifically
Orientation is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " the
Two " etc. are only used for distinguishing description, are not understood to indicate or imply relative importance.
In addition, the terms such as term "horizontal", "vertical" are not offered as requiring component abswolute level or pendency, but can be slightly
Low dip.It is not to indicate that the structure has been had to if "horizontal" only refers to that its direction is more horizontal with respect to for "vertical"
It is complete horizontal, but can be slightly tilted.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally connect
It connects；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, can also indirectly connected through an intermediary, it can
To be the connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood with concrete condition
Concrete meaning in the present invention.
Other features and advantages of the present invention will be illustrated in subsequent specification, also, partly be become from specification
It is clear that being understood by implementing the embodiment of the present invention.The objectives and other advantages of the invention can be by written
Specifically noted structure is achieved and obtained in specification, claims and attached drawing.
First embodiment
Radial forging refers to the swaging method for specially processing solid or hollow longaxones parts.Forging and molding technology is
The important technology of metallurgical production, is widely used in the fields such as Aeronautics and Astronautics, machinery, shipbuilding, occupies in national economy extremely heavy
The status wanted.It is either smart through the applicant the study found that existing radial forging equipment is generally precise forging machine and rotary swaging machine
Forging machine or rotary swaging machine require that manually the pressure of clamp system is manipulated and determined, there are when forging to the folder of forging
Compaction forces control problem not flexible, that control accuracy is lower.To solve the above-mentioned problems, first embodiment of the invention provides
A kind of clamping control system 10.
Referring to FIG. 1, Fig. 1 is a kind of structural schematic diagram for clamping control system that first embodiment of the invention provides.
Clamping control system 10 includes fuel feeding valve group 11, master control valve group 12, first pressure sensor 13, second pressure sensing
Device 14 and oil cylinder 15, oil cylinder 15 include rodless cavity 152 and rod chamber 154, and first pressure sensor 13 is connect with rodless cavity 152,
Second pressure sensor 14 is connect with rod chamber 154.
Referring to FIG. 2, Fig. 2 is a kind of structural schematic diagram for fuel feeding valve group that first embodiment of the invention provides.
Fuel feeding valve group 11 includes anti-decompression check valve 112 and proportional pressure-reducing valve group 114, the oil inlet of anti-decompression check valve 112
End is directly connect with oil feed pump, and the oil outlet of anti-decompression check valve 112 is connect with the oil inlet end of proportional pressure-reducing valve group 114, ratio
The oil outlet of reducer unit 114 is connect with master control valve group 12.
Oil feed pump in the present embodiment is operation pump group, and the high-voltage oil liquid of operation pump group supply is unidirectional by anti-decompression
The main in-line that valve 112 forms enters oil circuit, can prevent from clamping control system 10 in being clamped operating process, then execute
Oil liquid pressure decline in control system 10 is clamped when other operations causes clamping oil circuit pressure to decrease.
Optionally, the control cover board with distance bar, and this reality can be set in the anti-decompression check valve 112 in the present embodiment
It applies the anti-decompression check valve 112 in example, proportional pressure-reducing valve group 114, the valve in master control valve group 12 and clamps control system 10
In other valves inserted valve can be used.The importance of the design versatility of inserted valve and its valve opening is to produce in enormous quantities,
For the inserted valve of a certain specification, in order to produce in batches, the size of valve port is unified.In addition, the valve of different function
Same specification valve chamber can be used, such as: check valve, cone valve, flow control valve, throttle valve, two solenoid valves etc.；If same
Specification, different function valve can not use different valve bodies, then the processing cost of valve block certainly will increase, the advantage of inserted valve is just not
It is multiple to exist.Inserted valve the field of fluid control function use type than wide, the element applied has solenoid directional control valve,
Check valve, overflow valve, pressure reducing valve, flow control valve and sequence valve, versatility is in the design of fluid dynamic circuit and mechanical practicability
Extension, sufficiently illustrate inserted valve to the importance of system designer and application person.Due to the versatility of its assembling process, valve
The characteristics of versatility of hole specification, interchangeability, perfect design configurations may be implemented completely using inserted valve, also make inserted valve wide
It is applied to various hydraulic machineries generally.Batch production to user's benefit in valve block also without wiring terminal when just shown.It adopts
The a whole set of control system designed with inserted valve can greatly reduce manufacturing man-hours for user；Each element of the control system is assembling
At independent test can be carried out before integrated valve block；Integrated package can carry out integrated testability before issuing user.Due to that must pacify
The element of dress and the pipeline of connection greatly reduce, and save a large amount of manufacturing man-hours for user.Due to the reduction of systemic contamination object, let out
The reduction of reduction and the loading error of leak source, significantly improves reliability.The application of inserted valve realizes efficient, the side of system
Just.
Oil liquid enters proportional pressure-reducing valve group 114 after anti-decompression check valve 112, and oil liquid passes through proportional pressure-reducing valve group 114
Enter master control valve group 12 after being adjusted to preset pressure.Proportional pressure-reducing valve group 114 realizes the stepless pressure regulation to oil liquid pressure, can be with
It is different according to forging material hardness and the resistance of deformation of generation, different clamping pressures are set and meet manufacturing technique requirent.And then needle
To pressure flexible setting needed for different forging, it can be effectively prevented because improper forging is pressed from both sides of pressure setting deforms, greatly improve
Forging and stamping flexibility and accuracy.
Referring to FIG. 3, Fig. 3 is a kind of structural schematic diagram for master control valve group that first embodiment of the invention provides.
Master control valve group 12 include solenoid directional control valve 122 and hydraulic control one-way valve 124, the oil inlet end of solenoid directional control valve 122 with than
The oil outlet connection of example reducer unit 114, solenoid directional control valve 122 is directly connect with oil cylinder 15, while solenoid directional control valve 122 is also logical
Hydraulic control one-way valve 124 is crossed to connect with oil cylinder 15.
Solenoid directional control valve 122 includes oil inlet end, the first fuel feeding end, the second fuel feeding end and oil revolving end, solenoid directional control valve 122
Oil inlet end is connect with the oil outlet of proportional pressure-reducing valve group 114, and the first fuel feeding end of solenoid directional control valve 122 passes through hydraulic control one-way valve
124 connect with the rodless cavity 152 of oil cylinder 15, and the second fuel feeding end of solenoid directional control valve 122 directly connects with the rod chamber 154 of oil cylinder 15
It connects.
Optionally, as shown in figure 3, the oil inlet end of solenoid directional control valve 122, the first fuel feeding end, the second fuel feeding end and oil revolving end
It is followed successively by its end P, A, B and T.
It should be understood that the solenoid directional control valve 122 in the present embodiment includes the first electromagnet and the second electromagnet, electromagnetism
Reversal valve 122 realizes the position control to main valve plug by the power on/off of the first electromagnet of control and the second electromagnet, thus into
The switching of the open/close states of the first fuel feeding end of row, the second fuel feeding end and oil revolving end.
The oil inlet end of hydraulic control one-way valve 124 is connect with the first fuel feeding end of solenoid directional control valve 122, hydraulic control one-way valve 124
Oil outlet is connect with rodless cavity 152, and oil liquid enters rodless cavity 152 by the oil outlet of hydraulic control one-way valve 124.
Optionally, as shown in figure 3, the oil inlet end of hydraulic control one-way valve 124 and oil outlet are followed successively by itself end A and B.
Further, clamping control system 10 can also include pilot valve 126, the first end of pilot valve 126 and third end
It is connect with the oil outlet of hydraulic control one-way valve 124, the 4th end of pilot valve 126 is connect with the oil inlet end of hydraulic control one-way valve 124.
Optionally, the hydraulic control one-way valve 124 in the present embodiment and pilot valve 126 can be big flow plug-in fluid-control one-way
Component in valve can satisfy pinching action rate request, and can make the clamping chamber automatically lock of oil cylinder 15.
Oil cylinder 15 includes rodless cavity 152 and rod chamber 154, and rodless cavity 152 is connect with the oil outlet of hydraulic control one-way valve 124,
Rod chamber 154 is connect with the second oil outlet of solenoid directional control valve 122, and first pressure sensor 13 is for acquiring in rodless cavity 152
Oil liquid pressure information, second pressure sensor 14 is used to acquire oil liquid pressure information in rod chamber 154.
Referring to FIG. 4, Fig. 4 is a kind of structural schematic diagram for oil return route that first embodiment of the invention provides.
The oil return route for clamping control system 10 includes pressure-relief valve 16, back pressure valve group 17 and safety valve 18.It should be understood that
It is that in other alternative-embodiments, clamping control system 10 may include in pressure-relief valve 16, back pressure valve group 17 and safety valve 18
Any one or more valve combinations, be not necessarily all include.
The oil inlet end of pressure-relief valve 16 is connect with the oil revolving end of rodless cavity 152 and solenoid directional control valve 122, and the present embodiment is by unloading
Pressure valve 16 can be eliminated impact caused by commutation, first shed bar by pressure-relief valve 16 using emptying control mode after first release
Pressure energy in chamber 154, after the second pressure sensor 14 that rod chamber 154 connects detects that shedding pressure reaches setting value,
It is then turned on solenoid directional control valve 122, compression shock would not be generated in oil circuit, so that clamping control system 10 be made to have preferably
Protectiveness.
Optionally, the oil inlet end of pressure-relief valve 16 is the end P shown in Fig. 4 in the present embodiment.
Back pressure valve group 17 is mounted in oil return route, the oil inlet end of back pressure valve group 17 respectively with solenoid directional control valve 122 return
The connection of the oil inlet end of oily end and pressure-relief valve 16.The back pressure valve group 17 plays back pressure valve action in oil return route, reduces and unclamps
Impact when clamp system to high-voltage oil liquid to pipeline.
Optionally, the oil inlet end of back pressure valve group 17 is the end A shown in Fig. 4 in the present embodiment.
Safety valve 18 is connected between the oil inlet end of back pressure valve group 17 and the oil inlet end of pressure-relief valve 16.
It should be understood that the dotted line in Fig. 1-4 in the present embodiment is emptying route, fuel feeding valve group 11, master control valve group
12, first pressure sensor 13, second pressure sensor 14, oil cylinder 15, pressure-relief valve 16, back pressure valve group 17 and safety valve 18 unload
In the connection of oil circuit line picture 1-4 shown in dotted line, just repeat no more.
Clamping working principle provided in an embodiment of the present invention are as follows:
When first electromagnet is powered, the oil inlet end and oil outlet of hydraulic control one-way valve 124 generate pressure difference, hydraulic control one-way valve 124
Main valve plug open, oil liquid successively pass through the first fuel feeding end of solenoid directional control valve 122, hydraulic control one-way valve 124 oil inlet end and
The oily end of hydraulic control one-way valve 124 enters rodless cavity 152；
When 13 feedback pressure of first pressure sensor reaches clamping value, the first electromagnet is powered off, hydraulic control one-way valve 124
The main valve plug of the right side pressure release of oil inlet end and pilot valve 126, hydraulic control one-way valve 124 is closed so that the connecting rod of rod chamber 154 is tightly locked；
Second electromagnetism when 13 feedback pressure of first pressure sensor of rodless cavity 152 is down to preset threshold such as 3~5MPa
Tie Tong electricity, oil liquid enter rod chamber 154 by the second fuel feeding end of solenoid directional control valve 122, and the main valve plug of hydraulic control one-way valve 124 is beaten
It opens, 152 oil return of rodless cavity is so that the connecting rod unclamps.
The present embodiment can also provide a kind of radial forging operation machine, and it includes clamping control system which, which operates machine,
10, it further include the radial clamping mechanism driven by the oil cylinder 15 of clamping control system 10, the clamping journey of the radial clamping mechanism
Degree is controlled by the connecting rod in the oil cylinder 15.
In conclusion the embodiment of the invention provides a kind of clamping control systems and radial forging to operate machine, the clamping
Control system detects the oil liquid pressure information in rodless cavity by first pressure sensor, has by the detection of second pressure sensor
Then oil liquid pressure information in rod cavity controls connecting rod pine in oil cylinder according to the oil liquid pressure information that second pressure sensor obtains
The corresponding suitable position of forging is reached, connecting rod clamps in the oil liquid pressure information control oil cylinder obtained according to first pressure sensor
To the corresponding suitable position of forging and pressure supplementing function is provided, thus the suffered clamping pressure to forging during entire forging and stamping
Rapidly, flexibly control.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of clamping control system, which is characterized in that the clamping control system includes fuel feeding valve group, master control valve group, first
Pressure sensor, second pressure sensor and oil cylinder；
The fuel feeding valve group is connect with oil feed pump；
The master control valve group includes solenoid directional control valve and hydraulic control one-way valve, the oil inlet end of the solenoid directional control valve and the delivery valve
Group connection, the solenoid directional control valve include into the first fuel feeding end, the second fuel feeding end and oil revolving end, first fuel feeding end with it is described
The oil inlet end of hydraulic control one-way valve connects, and second fuel feeding end is connect with the oil cylinder；
The oil cylinder includes rodless cavity and rod chamber, and the rodless cavity is connect with the oil outlet of the hydraulic control one-way valve, described to have
Rod cavity is connect with second fuel feeding end, and the first pressure sensor is connect with the rodless cavity, the second pressure sensing
Device is connect with the rod chamber.
2. clamping control system according to claim 1, which is characterized in that the fuel feeding valve group includes anti-decompression check valve
It is connect with the oil inlet end of proportional pressure-reducing valve group, the anti-decompression check valve with the oil feed pump, the anti-decompression check valve goes out
Oily end is connect by the proportional pressure-reducing valve group with the oil inlet end of the solenoid directional control valve.
3. clamping control system according to claim 1, which is characterized in that the clamping control system further includes guide
Valve, the first end of the pilot valve and third end are connect with the oil outlet of the hydraulic control one-way valve respectively, and the of the pilot valve
Four ends are connect with the second oil outlet of the solenoid directional control valve.
4. clamping control system according to claim 3, which is characterized in that the solenoid directional control valve includes the first electromagnet
With the second electromagnet；
When first electromagnet is powered, the oil inlet end and oil outlet of the hydraulic control one-way valve generate pressure difference, the fluid-control one-way
The main valve plug of valve is opened, and oil liquid successively passes through the oil inlet end of the first fuel feeding end of the solenoid directional control valve, the hydraulic control one-way valve
And the oily end of the hydraulic control one-way valve enters the rodless cavity；
The power-off of first electromagnet described in when the first pressure sensor feedback pressure reaches clamping value, the hydraulic control one-way valve
Oil inlet end and the pilot valve right side pressure release, the main valve plug of the hydraulic control one-way valve closes the connecting rod so that the rod chamber
Tight lock；
Second electromagnet described in when the first pressure sensor feedback pressure is down to preset threshold is powered, described in oil liquid process
Second fuel feeding end of solenoid directional control valve enters the rod chamber, and the main valve plug of the hydraulic control one-way valve is opened, the no bar
Chamber oil return is so that the connecting rod unclamps.
5. clamping control system according to claim 3, which is characterized in that the hydraulic control one-way valve and the pilot valve are
Big flow plug-in type pilot controlled check valve.
6. clamping control system according to claim 1, which is characterized in that the clamping control system further includes release
Valve, the oil inlet end of the pressure-relief valve are connect with the oil revolving end of the rodless cavity and the solenoid directional control valve respectively.
7. clamping control system according to claim 1, which is characterized in that the clamping control system further includes counterbalance valve
The oil inlet end of group, the back pressure valve group is connect with the oil revolving end of the solenoid directional control valve.
8. clamping control system according to claim 7, which is characterized in that the oil inlet end of the back pressure valve group and the nothing
Safety valve is additionally provided between rod cavity.
9. clamping control system according to claim 1, which is characterized in that the anti-decompression check valve is provided with band limit journey
The control cover board of bar.
10. a kind of radial forging operates machine, which is characterized in that the radial forging operates machine and includes:
Clamping control system as described in claim any in claim 1-9；
By the radial clamping mechanism of the oil cylinder driving for clamping control system, the clamping degree of the radial clamping mechanism is by institute
State the connecting rod control in oil cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910061838.4A CN109570426A (en) | 2019-01-22 | 2019-01-22 | A kind of clamping control system and radial forging operate machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910061838.4A CN109570426A (en) | 2019-01-22 | 2019-01-22 | A kind of clamping control system and radial forging operate machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109570426A true CN109570426A (en) | 2019-04-05 |
Family
ID=65917712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910061838.4A Pending CN109570426A (en) | 2019-01-22 | 2019-01-22 | A kind of clamping control system and radial forging operate machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110541860A (en) * | 2019-09-24 | 2019-12-06 | 中国重型机械研究院股份公司 | Online thermal width-adjusting hydraulic control system and method for crystallizer |
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