CN103316988A - Intelligent metal plate molding machine - Google Patents
Intelligent metal plate molding machine Download PDFInfo
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- CN103316988A CN103316988A CN2013102295224A CN201310229522A CN103316988A CN 103316988 A CN103316988 A CN 103316988A CN 2013102295224 A CN2013102295224 A CN 2013102295224A CN 201310229522 A CN201310229522 A CN 201310229522A CN 103316988 A CN103316988 A CN 103316988A
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Abstract
The invention discloses an intelligent metal plate molding machine. The intelligent metal plate molding machine comprises a base, an upper mold plate, a lower mold plate, an ejection oil cylinder, stand columns, an edge pressing module, a molding oil cylinder and edge pressing oil cylinders, wherein the lower mold plate is fixedly mounted on the base, the piston rod of every edge pressing oil cylinder penetrates the upper mold plate and is connected with the upper mold plate, and the molding oil cylinder, the edge pressing oil cylinders and the ejection oil cylinder are all connected with a pump control hydraulic system. The pump control hydraulic system comprises a plurality of hydraulic control check valves and a first electro-hydraulic directional control valve, wherein the plurality of hydraulic control check valves are used for respectively locking the oil supply pipelines of the plurality of edge pressing oil cylinders during the edge pressing process, and the first electro-hydraulic directional control valve is connected with the hydraulic control check valves. The pump control hydraulic system is connected with an automatic control system which is used for adjusting the output pressure of the pump control hydraulic system. The intelligent metal plate molding machine can automatically adjust the pressure of the pump control hydraulic system according to the drawing force needed during the workpiece drawing process, can guarantee the product quality, is low in power loss and good in energy-saving performance, can automatically achieve feeding and blanking and has a high production efficiency, low production costs and a low accident occurrence rate.
Description
Technical field
The present invention relates to the Machining Technology field, relate in particular to a kind of panel beating make-up machine.
Background technology
At present, the product of the hydraulic forming machine on the market is a lot, but there is following shortcoming in hydraulic forming machine of the prior art: automaticity is lower, namely in goods manufacturing process, many actions of equipment are manual operation, especially the material loading of goods, blanking are commonly manual operation, and its efficient is low, have certain personal safety hidden danger; Do not have intelligence, namely in goods manufacturing process, can not identify material, shape, the size of goods, especially when changing goods, the adjusting of template is wasted time and energy, and the skilled worker that need have wide experience regulates; The valve control system not energy-conservation, that the power source of existing hydraulic system adopts common electric machine and constant displacement pump to constitute, often outputting power is greater than the goods required drive in design, and the power of redundance can only lose by hydraulic valve, wastes energy not environmental protection; In the flanging process, pressure-pad-force is not enough, causes the workpiece fold, and perhaps pressure-pad-force is excessive, makes the workpiece breakage, and waste man-hour and raw material increase production cost.
Summary of the invention
Purpose of the present invention is exactly in order to overcome above-mentioned the deficiencies in the prior art, and a kind of intelligent panel beating make-up machine is provided, and it can carry out material loading, blanking automatically in goods manufacturing process, enhance productivity, and reduces production costs, and reduces accident rate; It adopts the hydraulic system of pump control that power is provided, and required tensile force is adjusted the pressure of pump control hydraulic system automatically in the time of can stretching according to workpiece at any time, therefore can guarantee the quality of goods, and power loss is few, good energy-conserving effect.
For realizing above-mentioned purpose of the present invention, intelligent panel beating make-up machine of the present invention comprises: base, lower bolster, cope match-plate pattern, be installed on the ejecting oil cylinder, be installed on many root posts between lower bolster and the cope match-plate pattern of lower bolster below, between cope match-plate pattern and the lower bolster and be sleeved on flanging template on described many root posts, be installed on the moulding oil cylinder on cope match-plate pattern top and be symmetrically set in a plurality of flanging oil cylinders of moulding oil cylinder both sides, wherein, described lower bolster is fixedly installed on the described base; Flanging oil cylinder piston bar in each described flanging oil cylinder passes cope match-plate pattern and is connected with described flanging template; Described moulding oil cylinder, described flanging oil cylinder and the described oil cylinder that ejects are connected the pump control hydraulic system respectively; When having flanging, described pump control hydraulic system is used for locking respectively a plurality of hydraulic control one-way valves of described a plurality of flanging oil cylinder oil feeding lines and first electro-hydraulic reversing valve that is connected with hydraulic control one-way valve; Described pump control hydraulic system links to each other with the automatic control system that is used for regulating its output pressure.
Wherein, described automatic control system comprises: first pressure sensor is used for generating fuel injection pressure signal by detecting oil feeding line pressure.
Preferably, the fuel injection pressure signal that generates of the flanging oil cylinder oil feeding line pressure that detects according to described first pressure sensor of described hydraulic control one-way valve and described first electro-hydraulic reversing valve is locked described flanging oil cylinder oil feeding line.
Further, be arranged with the flanging locking device at the described column between described cope match-plate pattern and described flanging template, be used for described flanging template and the locking of described column or unclamp.
Preferably, the fuel injection pressure signal that the flanging oil cylinder oil feeding line pressure that described flanging locking device detects according to described first pressure sensor generates is with described flanging template and the locking of described column.
Wherein, described automatic control system also comprises: second pressure sensor is used for that its oil feeding line pressure produces locking fuel injection pressure signal when detecting described flanging locking device action.
Preferably, described flanging locking device comprises: be set in the sleeve on the described column; Be set on the described column and first end cap that is connected with sleeve one end; Be placed in the sleeve respectively and be arranged in compact heap and spring on the described column, wherein, an end of compact heap props up spring; The one end is installed in second end cap of the sleeve other end, and its other end is fixedlyed connected with described flanging template; Be opened in hydraulic oil port and sensor port on the sleeve lateral wall respectively; Wherein, described hydraulic oil port connects reversal valve, and described second pressure sensor is installed in the described sensor port; Wherein, described reversal valve and described second pressure sensor link to each other with described pump control hydraulic system.
Wherein, described pump control hydraulic system also comprises servomotor that rotating speed can be regulated continuously and by the duplex pump of described driven by servomotor.
Wherein, described automatic control system also comprises: first displacement transducer is used for producing first displacement signal by detecting flanging oil cylinder piston bar moving displacement; Second displacement transducer is used for producing second displacement signal by detecting moulding oil cylinder piston bar moving displacement; And the control module of controlling described servomotor rotating speed according to described second displacement signal, first displacement signal and fuel injection pressure signal.
Wherein, the robot device that is used for automatic charging, blanking is installed on the described base.
Preferably, described hydraulic oil port is aimed at the end away from described spring of described compact heap, and described sensor port is aimed at the other end of the close described spring of described compact heap.
Preferably, have cone space between described compact heap and the described column, and settle circular cone in the cone space.
Preferably, described control module is also controlled described servomotor rotating speed according to described locking fuel injection pressure signal.
Preferably, described pump control hydraulic system also comprises: the oil-out and the rod chamber of moulding oil cylinder and second electro-hydraulic reversing valve between the rodless cavity that are connected two pumps in the described duplex pump; Be connected the oil-out of two pumps in the described duplex pump and eject the rod chamber of oil cylinder and the solenoid directional control valve between the rodless cavity, wherein, described first electro-hydraulic reversing valve is connected between the rod chamber and rodless cavity of the oil-out of two pumps in the described duplex pump and described flanging oil cylinder.
Wherein, the robot device that is used for automatic charging, blanking is installed on the described base.
Preferably, described robot device comprises: be installed on the feeding manipulator that the loading plate place is used for material loading; Be installed on blanking Pan Chu for the blanking manipulator of blanking; Wherein, material loading, the blanking of described feeding manipulator and described blanking manipulator move through pneumatic cylinder or Driven by Hydraulic Cylinder, and described pneumatic cylinder or hydraulic cylinder link to each other with described automatic control system.
Compared with prior art, intelligent panel beating make-up machine of the present invention has following advantage:
1) intelligent panel beating make-up machine of the present invention by the oil feeding line locking of hydraulic control one-way valve with the flanging oil cylinder, is failure to actuate the flanging oil cylinder, thereby is guaranteed that workpiece is clamped, and then guaranteed the product quality behind the workpiece drawing and forming when flanging;
2) intelligent panel beating make-up machine of the present invention has the flanging locking device, be used for when flanging, making flanging template and column locking, before the flanging or after the flanging end flanging template and column are unclamped, thereby when having guaranteed patrix to the workpiece drawing and forming, the position that is installed in the flanging mould of flanging template below keeps motionless, thereby has guaranteed the quality of product;
3) automatic control system of the present invention has for first pressure sensor that produces fuel injection pressure signal by detection flanging oil cylinder oil feeding line, and the fuel injection pressure signal that hydraulic control one-way valve and the first electric liquid electromagnetic valve or flanging locking device produce according to first pressure sensor, respectively with flanging oil cylinder or flanging template and column locking, thereby when matched moulds, the flanging template is under the effect of flanging oil cylinder, can be according to the position of counterdie, the thickness of blank is adjusted to correct position freely and is fixed and lock, and has avoided blank fold in forming process effectively, the appearance of disrepair phenomenon;
4) automatic control system of the present invention also comprises second pressure sensor, its oil feeding line pressure produces locking fuel injection pressure signal when being used for by the action of detection flanging locking device, and according to locking fuel injection pressure signal judge whether that needs hydraulic oil continues to flow into the flanging locking device, thereby can reduce fuel feeding as required, thereby save the energy;
5) flanging locking device of the present invention is the locking device that machinery and hydraulic pressure mix, and it is simple in structure, and is easy to use, and coupling mechanism force is adjustable, and the problem of time-consuming, the effort when having solved artificial mode transfer, die trial is enhanced productivity the reduction personnel labor widely
6) pump control hydraulic of the present invention system adopts servomotor that rotating speed can regulate continuously and by the duplex pump of driven by servomotor, therefore can be according to the different operating modes in the workpiece manufacturing process, automatically regulate the output pressure of pump control hydraulic system, no power waste, good energy-conserving effect, and can guarantee the quality of workpiece;
7|) intelligent panel beating make-up machine of the present invention has the robot device of automatic charging, blanking, so material loading, blanking efficient height, has reduced staff's personal safety hidden danger, uses safer.
Description of drawings
Fig. 1 is the front view of the intelligent panel beating make-up machine of first embodiment of the invention;
Fig. 2 is the vertical view of intelligent panel beating make-up machine shown in Figure 1;
Fig. 3 is the left side view of intelligent panel beating make-up machine shown in Figure 1;
Fig. 4 is the phantom of the intelligent panel beating make-up machine of second embodiment of the invention;
Fig. 5 is the structural representation of flanging locking device shown in Figure 4;
Fig. 6 is the hydraulic schematic diagram of the intelligent panel beating make-up machine of first embodiment of the invention;
Fig. 7 is the process chart of pump control hydraulic system shown in Figure 6;
Fig. 8 is the hydraulic schematic diagram of the intelligent panel beating make-up machine of second embodiment of the invention;
Fig. 9 is the process chart of pump control hydraulic system shown in Figure 8.
Description of reference numerals: 1-base; The 2-fuel tank; The 3-column; The 4-duplex pump; The 5-overflow valve; 6-blanking manipulator; The 7-illuminating lamp; 8-photoelectric protection switch; 9-first displacement transducer; 10-flanging oil cylinder; 11-second displacement transducer; 12-moulding oil cylinder; The 13-cope match-plate pattern; 14-flanging template; The 15-lower bolster; The 16-guidance panel; The 17-electrical control cubicles; 18-first pressure sensor; The 19-solenoid directional control valve; 20-first electro-hydraulic reversing valve; 21-second electro-hydraulic reversing valve; 22-oil return oil filter; The 23-feeding manipulator; The 24-cooler; The empty filter of 25-; The 26-thermometer; The 27-servomotor; The big pump unloader of 28-; The little pump unloader of 29-; 30-ejects oil cylinder; The 31-mould; 32-flanging locking device; 33-second pressure sensor; The 34-reversal valve; The 35-choke valve; The 36-pressure-reducing valve; 37-first check valve; 38-second check valve; 39,42-Pressure gauge; The 40-liquid level gauge; 41-oil suction oil filter; The 321-sleeve; The 322-hydraulic oil port; The 323-sensor port; The 324-compact heap; The 325-spring; 326-second end cap; The 327-circular cone; 328-first end cap; 10a-flanging oil cylinder piston bar; 12a-moulding oil cylinder piston bar; 14a-flanging mould; The 31a-punch; The 31b-die; The 30a-liftout attachment; The 43-hydraulic control one-way valve.
The specific embodiment
As shown in Figure 1-Figure 3, intelligent panel beating make-up machine of the present invention comprises: base 1, lower bolster 15, cope match-plate pattern 13, be installed on the ejecting oil cylinder 30, be installed on many root posts 3 between lower bolster 15 and the cope match-plate pattern 13 of lower bolster 15 belows, between cope match-plate pattern 13 and the lower bolster 15 and be sleeved on flanging template 14 on many root posts 3, be installed on the moulding oil cylinder 12 on cope match-plate pattern 13 tops and be symmetrically set in a plurality of flanging oil cylinders 10 of moulding oil cylinder 12 both sides, be set in flanging locking device 32 on many root posts 3 respectively.
Preferably, the quantity of the column 3 that adopts among the present invention is four, and the quantity of flanging oil cylinder 10 is two, and two flanging oil cylinders 10 are symmetrically set in the both sides of moulding oil cylinder 12.
As shown in Figure 1-Figure 3, base 1 is basic building block of the present invention, and other member is installed thereon, as fuel tank 2, for electrical control cubicles 17, pump control hydraulic system, feeding manipulator 23, blanking manipulator 6 and the lower bolster 15 etc. of settling automatic control system.
Wherein, be equipped with on the electrical control cubicles 17 and be convenient to manually-operated guidance panel 16.Lower bolster 15 is positioned at the top of fuel tank 2, die 31b in can installation mold 31 on lower bolster 15, and eject the below that oil cylinder 30 is positioned at lower bolster 15, liftout attachment 30a is installed on it, and liftout attachment 30a is corresponding with described die 31b position, is used for as required the workpiece of die is ejected.Flanging oil cylinder piston bar 10a in each flanging oil cylinder 10 passes cope match-plate pattern 13 and is connected with flanging template 14; be mounted with the illuminating lamp 7 of convenient illumination in flanging template 14; in flanging template 14 bottom surfaces flanging mould 14a is installed, and is provided with photoelectric protection switch 8 at cope match-plate pattern 13.Bottom at the moulding oil cylinder piston bar 12a(of moulding oil cylinder 12 as shown in Figure 5) is equipped with punch adjusting screw(rod) (not marking among the figure), the punch 31a in the end of punch adjusting screw(rod) can installation mold 31, and its position with described die is corresponding.
Wherein, moulding oil cylinder 12, flanging oil cylinder 10 and eject oil cylinder 30 and be connected the pump control hydraulic system respectively, the pump control hydraulic system has intelligent panel beating make-up machine is used for locking respectively two flanging oil cylinder 12 oil feeding lines when flanging two hydraulic control one-way valves 43 and first electro-hydraulic reversing valve 20 that is connected respectively with two hydraulic control one-way valves 43, wherein, two hydraulic control one-way valves 43 are placed in respectively in the oil feeding line that connects two flanging oil cylinder 12 rodless cavities, and first electro-hydraulic reversing valve 20 is placed in the oil circuit of two flanging oil cylinder 12 fuel feeding; And the pump control hydraulic system links to each other with the automatic control system that is used for its output pressure of adjusting.
Wherein, automatic control system of the present invention comprises: first pressure sensor 18 is used for generating fuel injection pressure signal by detecting oil feeding line pressure.Concrete, first pressure sensor 18 can detect flanging oil cylinder 10, moulding oil cylinder 10 respectively, the pressure of oil feeding line when ejecting oil cylinder 30 actions, and generates corresponding fuel injection pressure signal.
When 10 flanging of flanging oil cylinder, first pressure sensor 18 will pass to automatic control system by detecting the fuel injection pressure signal that two flanging oil cylinder oil feeding line pressure produce, automatic control system generates the control instruction that makes first electro-hydraulic reversing valve, 20 dead electricity according to this fuel injection pressure signal, feasible two hydraulic control one-way valve 43 backward stops that are connected with the rodless cavity of two flanging oil cylinders 10 respectively, thereby cut off the oil circuit of two flanging oil cylinder 10 rodless cavities, and then flanging oil cylinder 10 is no longer moved, make flanging mould 10a that workpiece is clamped.
Except first displacement transducer 9 and second pressure sensor 33, automatic control system of the present invention also comprises: first displacement transducer 9, be used for when 10 actions of flanging oil cylinder, producing corresponding first displacement signal by the moving displacement that detects its flanging oil cylinder piston bar 10a; Second displacement transducer 11 is used for producing second displacement signal by detecting moulding oil cylinder piston bar 12a moving displacement; And according to the control module of servomotor 27 rotating speeds in second displacement signal, first displacement signal, the fuel injection pressure signal control pump control hydraulic system, this control module is Programmable Logic Controller (PLC).
Wherein, as shown in Figure 6, pump control hydraulic of the present invention system is except rotating speed can connect the servomotor 27 of adjusting, also comprise: by the duplex pump 4 of servomotor 27 drivings, it has two identical or different pumps of power, and is in the present invention, preferred, duplex pump adopts two different pumps of discharge capacity, that is: the less little pump of the big pump that discharge capacity is bigger and discharge capacity; Be connected oil-out and the rod chamber of moulding oil cylinder 12 and second electro-hydraulic reversing valve 21 between the rodless cavity of two pumps in the duplex pump 4; Be connected the oil-out of two pumps in the duplex pump 4 and eject rod chamber and the solenoid directional control valve between the rodless cavity 19 of oil cylinder 30; Wherein, first electro-hydraulic reversing valve 20 is connected between the rod chamber and rodless cavity of the oil-out of two pumps in the duplex pump 4 and two flanging oil cylinders 10; And, in the oil circuit that the oil-in with first electro-hydraulic reversing valve 20, second electro-hydraulic reversing valve 21, solenoid directional control valve 19 is connected, be provided with first check valve 37, the action that is used for controlling flanging oil cylinder 10, moulding oil cylinder 12 and ejects oil cylinder 30.
In addition, as shown in Figure 6, pump control hydraulic of the present invention system also comprises: second check valve 38 that is connected with the oil-in of first check valve 37; Be connected to two unloaders between the oil-out of two pumps in fuel tank 2 and the duplex pump 4, i.e. big pump unloader 28 and little pump unloader 29; Be connected the overflow valve 5 between fuel tank 4 and the flanging oil cylinder 10 oil-in oil circuits; Be placed in the cooler 24 outside the fuel tank 2; Be placed in the air filter 25 of fuel tank 2 tops; Be placed in thermometer 26, liquid level gauge 40, oil suction oil filter 41 and oil return oil filter 22 in the fuel tank 2; Be connected to the Pressure gauge 39,42 between the oil-out of two pumps of duplex pump 4 and big pump unloader 28, the little pump unloader 29; Be connected the pressure-reducing valve 36 that ejects between oil cylinder 30 and first check valve 37; And be connected solenoid directional control valve 19 and eject choke valve 35 between the oil cylinder 30.
Preferably, in the intelligent panel beating make-up machine of the present invention, also be mounted with robot device for material loading, blanking at base 1.This robot device comprises: be installed on the feeding manipulator 23 that the loading plate place is used for material loading; Be installed on blanking Pan Chu for the blanking manipulator 6 of blanking; Wherein, material loading, the blanking of feeding manipulator 23 and blanking manipulator 6 move through pneumatic cylinder or Driven by Hydraulic Cylinder, and pneumatic cylinder or hydraulic cylinder link to each other with automatic control system.Adopt robot device, and the control by automatic control system, each action in the whole forming process of Workpiece shaping is organically combined, therefore form and unattendedly can finish processing automatically, greatly improve production efficiency, reduced production cost, and reduced the incidence of production accident effectively.
Below in conjunction with Fig. 6, Fig. 7 the course of work of intelligent panel beating make-up machine of the present invention is described.
At first, feeding manipulator 23 is put into workpiece on the die 31b that is placed in mould 31 under the control of Programmable Logic Controller, finishes the action of manipulator material loading.
Then, by Controlled by Programmable Controller servomotor 27 high-speed rotation, control DT1 in big pump unloader 28 and the little pump unloader 29 and DT2 and get electricly, make that big pump and the little pump in the duplex pump 4 worked simultaneously, thereby the hydraulic oil in the fuel tank 2 is exported with big flow; Meanwhile, outflow direction by first check valve, 37 control hydraulic oil, and the DT7 in first electro hydraulic valve 20 is got, thereby make the hydraulic oil by duplex pump 4 outputs enter the rodless cavity of two flanging oil cylinders 10 respectively, make flanging oil cylinder piston bar 10a be with connected flanging template 14 to move down fast, and first displacement signal that first displacement transducer 9 produces when flanging oil cylinder piston bar 10a is moved down real-time send Programmable Logic Controller to.When flanging template 14 is moved down into the desired location (this desired location can arrange at guidance panel 16) that does not contact with workpiece along column 3, first displacement signal that first displacement transducer 9 will produce sends Programmable Logic Controller to, Programmable Logic Controller compares this first shift value and setting first shift value, and controls the rotating speed of servomotor according to comparative result.When this moment first shift value reach when setting first shift value, the rotating speed of servomotor reduces, and makes flanging mould 10a with under the condition of mould bump not carry out flanging.
When flanging mould 10a and mould carried out flanging, first pressure sensor 18 detected to the pressure of the oil circuit of two flanging oil cylinder 10 fuel feeding in real time and produces corresponding fuel injection pressure signal, sends this fuel injection pressure signal to Programmable Logic Controller simultaneously.When oil feeding line pressure reaches setting flanging force value, the fuel injection pressure signal that Programmable Logic Controller received according to this moment, control in first electro-hydraulic reversing valve 20 the DT7 dead electricity (perhaps, also can not set the clamping pressure value, pressure along with system, make the DT7 dead electricity in first electro-hydraulic reversing valve 20), making two hydraulic control one-way valves 43 oppositely carry ends, thereby cut off the oil circuit of two flanging oil cylinder 10 rodless cavities, making two flanging oil cylinders 10 be locked no longer moves, flanging mould 10a is clamped workpiece, thereby finish the flanging action.
Then, thickness and material according to workpiece, by the DT1 in the big pump unloader 28 of programme-control and the little pump unloader 29 and DT2 whether Programmable Logic Controller, so that the duty of two pumps in the control duplex pump 4, do as having only chief pumpman in the duplex pump 4, or have only little pump work, or two pumps work simultaneously, thus regulate the rotating speed of servomotor 27 accordingly.Simultaneously, DT5 in second electro-hydraulic reversing valve 21 is got, hydraulic oil enters the rodless cavity of moulding oil cylinder 12, the moulding oil cylinder piston bar 12a of moulding oil cylinder 12 moves down, and the punch 31a that drives in the mould 31 by the punch adjusting screw(rod) moves down, and punch 31a cooperated with die 31b carry out drawing and forming to move.And, in the drawing and forming process, first pressure sensor 18 detects the pressure of the hydraulic oil in its oil feeding line, and produce corresponding fuel injection pressure signal, Programmable Logic Controller is according to the fuel injection pressure signal that produces, converse the briquetting pressure in the forming process, and make briquetting pressure record and be reflected on the guidance panel 16, make the staff can understand briquetting pressure in real time.
Behind punch and die drawing and forming, first pressure sensor 18 passes to Programmable Logic Controller in real time by detecting the corresponding fuel injection pressure signal that produces to the oil circuit pressure of moulding oil cylinder 12 fuel feeding, Programmable Logic Controller is according to the hydraulic fluid pressure value in the oil circuit of this moment, get by the DT2 that controls little pump unloader, make the little pump work in the duplex pump 4, and the rotating speed of servomotor 27 turned down, thereby finish the pressurize action.
After finishing the pressurize action, Controlled by Programmable Controller servomotor 27 high-speed rotation, the DT1 and the DT2 that control in big pump unloader 28 and the little pump unloader 29 get, make big pump and little pump in the duplex pump 4 work simultaneously, and the DT6 that controls in second electro-hydraulic reversing valve 21 gets, thereby the hydraulic oil that makes duplex pump 4 outputs enters the rod chamber of moulding oil cylinder 12, make moulding oil cylinder piston bar 12a move up by the punch that the punch adjusting screw(rod) drives in the mould 31, finish the backhaul action of moulding oil cylinder 12.
In the process of moulding oil cylinder 12 backhauls, second displacement transducer 11 passes to Programmable Logic Controller with second displacement signal that the displacement when detecting moulding oil cylinder piston bar 12a backhaul produces, setting second shift value during with the moulding oil cylinder piston bar 12a backhaul set at guidance panel 16 is relatively with this second shift value for Programmable Logic Controller, when this second shift value when setting second shift value, control hydraulic oil no longer enters the rod chamber of moulding oil cylinder 12, make that moulding oil cylinder piston bar 12a is no longer mobile, so that the backward position that keeps current is constant.Preferably, the maximum displacement value when setting second shift value and moving down less than moulding oil cylinder piston bar 12a, thus can increase operating efficiency.
When moulding oil cylinder 12 is finished the backhaul action, Controlled by Programmable Controller servomotor 27 high-speed rotation, the DT1 and the DT2 that control in big pump unloader 28 and the little pump unloader 29 get, make big pump and little pump in the duplex pump 4 work simultaneously, and the DT8 that controls in first electro-hydraulic reversing valve 20 gets, make hydraulic oil enter the rod chamber of two flanging oil cylinders 10 respectively, thereby make the flanging oil cylinder piston bar 10a in two flanging oil cylinders 10 move up, in order to finish the die sinking action.
When flanging oil cylinder piston bar 10a moves up, first displacement transducer 9 will displacement produces when detecting flanging oil cylinder piston bar 10a backhaul first displacement signal pass to Programmable Logic Controller, first displacement setting value during with the flanging oil cylinder piston bar 10a backhaul set at guidance panel 16 is relatively with this first shift value for Programmable Logic Controller, when this first shift value when setting first shift value, control hydraulic oil no longer enters the rod chamber of flanging oil cylinder 10, make that flanging oil cylinder piston bar 10a is no longer mobile, so that the backward position that keeps current is constant.Preferably, set the maximum displacement value that first shift value moves down less than flanging oil cylinder piston bar 10a.
After flanging oil cylinder 10 was finished die sinking, the DT1 of the big pump unloader 28 of Controlled by Programmable Controller got electric, and the chief pumpman in the duplex pump 4 is done, and the rotating speed of corresponding adjusting servomotor 27.Simultaneously, the DT3 in the control solenoid directional control valve 19 gets electric, and then the hydraulic oil of big pump output enters the rodless cavity that ejects oil cylinder 30, thereby represents by dotted line among liftout attachment 30a(such as Fig. 2) workpiece among the die 31b is ejected.After workpiece was ejected, the DT4 in the solenoid directional control valve 19 got electric, and hydraulic oil enters the rod chamber that ejects oil cylinder 30, ejected oil cylinder 30 and return.
At last, blanking manipulator 6 takes out the workpiece of moulding under the control of Programmable Logic Controller in die 31b, finishes the action of manipulator blanking, and the workpiece of moulding is put into the finished product dolly, thereby finishes a working cycles.
Preferably, after above-mentioned flanging action is finished, whether Programmable Logic Controller detects the flanging action automatically and meets the requirements, if after receiving failure alarm signal, the big pump unloader 28 of Controlled by Programmable Controller, 29 work of little pump unloader make hydraulic oil flow back to fuel tank, hydraulic circuit off-load this moment, thereby intelligent panel beating make-up machine is stopped, and enter program self check state.
Intelligent panel beating make-up machine in the present embodiment, all members in comprising embodiment 1, as Fig. 4, Fig. 5, Fig. 8, shown in Figure 9, also comprise: at four the sheathed flanging locking devices 32 of four columns, 3 difference between cope match-plate pattern 13 and flanging template 14, four flanging locking devices 32 are used for when two flanging oil cylinders 10 carry out the flanging action, the fuel injection pressure signal that two flanging oil cylinders, the 10 oil feeding line pressure that detect according to first pressure sensor 18 generate is with flanging template 14 and four column 3 lockings.When flanging mould 10a and mould matched moulds, when the pressure-pad-force of flanging oil cylinder 10 did not reach requirement, the flanging locking device 32 of present embodiment passed through flanging template 14 and column locking, and the pressure-pad-force of make-up machine is met the demands.
Wherein, as Fig. 4, shown in Figure 5, the flanging locking device 32 of present embodiment is the locking device of machinery and hydraulic pressure immixture, and it comprises: be set in the sleeve 321 on the column 3, have certain interval between the outer surface of its inner surface and column 3; Be set on the column 3 and first end cap 328 of fixedlying connected with sleeve 321 1 ends; Be placed in respectively in the sleeve 321 and axially be located in spring 325 and compact heaps 324 on the column 3 from top to bottom successively along sleeve 321, wherein, an end in contact spring 325 of compact heap 324 and selectable holddown spring 325; Be installed in second end cap 326 of sleeve 321 other ends, its other end is fixedlyed connected with flanging template 14, and has certain distance between second end cap 326 and compact heap 324 opposing end faces.By first end cap 328 and second end cap 326, with spring 325, compact heap 324 shutoff between sleeve 321 and column 3.And, on the sidewall of sleeve 321, offer hydraulic oil port 322 and sensor port 323 respectively, hydraulic oil port 322 connect be used for that control hydraulic oil enters or the reversal valve 34(that flows out as shown in Figure 8), the second pressure sensor 33(that when detecting 32 actions of flanging locking device its oil feeding line pressure produces corresponding locking fuel injection pressure signal is installed as shown in Figure 8 in the sensor port 323).
Preferably, hydraulic oil port 322 is aimed at the end away from spring 325 of compact heap 324, and the feasible hydraulic oil that enters from hydraulic oil port 3222 can act on a described end of compact heap 324, and perhaps, when off-load, hydraulic oil flows out from a described end of compact heap 324.And sensor port 323 is aimed at the other end of the close spring 325 of compact heap 324, detects with the pressure that is easily installed in the hydraulic oil in 33 pairs of flanging locking device 32 oil feeding lines of second pressure sensor in the sensor port 323.
Inner surface at compact heap 324 has one section trochoidal surface, and the diameter of trochoidal surface from top to bottom becomes greatly along the axis direction of column 3, thereby forms a cone space in the gap between compact heap 324 and column 3.In cone space, settle a circular cone 327 that is complementary with this cone space, and the bottom that the diameter of circular cone 327 is bigger stretches out in a described end of compact heap 324 and is against on second end cap 326, thereby make to have cavity for temporary hydraulic oil between the inner surface of the outer surface of circular cone 327 and sleeve 321, and this cavity is corresponding with the position of described hydraulic oil port 322.
Specifically describe the operation principle of the flanging locking device 32 of present embodiment below.
When the flanging template 14 of flanging oil cylinder 10 under the effect of two flanging oil cylinder piston bar 10a, when being moved down into the assigned address that does not make flanging mould 14a contact workpiece along column 3, flanging this moment oil cylinder 10 does not carry out the flanging action, first pressure sensor 18 will pass to automatic control system by detecting the fuel injection pressure signal that two flanging oil cylinder oil feeding line pressure produce, automatic control system is according to this fuel injection pressure signal, and control flanging locking device 32 is in following flanging and unclamps duty:
Reversal valve 34 actions that automatic controlling system is connected with hydraulic oil port 322 in the flanging locking device 32 make hydraulic oil enter into the described cavity of sleeve 321 inside from hydraulic oil port 322, and act on compact heap 324 1 ends.Under the active force of hydraulic oil, compact heap 324 is holddown spring 325 gradually, and make spring 325 produce certain deformation from original state, this moment, compact heap 324 was away from circular cone 327, thereby make flanging template 14 and column 3 be in releasing orientation, namely this moment, flanging template 14 and column 3 can relatively move.
Meanwhile, be installed in the pressure of hydraulic oil in the oil feeding line that second pressure sensors 33 in the sensor port 323 detect flanging locking devices 32, and the corresponding locking of generation fuel injection pressure signal, when the pressure of hydraulic oil reaches setting locking oil pressure value, automatic control system makes hydraulic oil no longer flow into sleeve 321 by the action of control reversal valve 34, so that the pressure of current hydraulic oil can be kept flanging template 14 and column 3 as the whole releasing orientation that is in; And when the pressure of second pressure sensor, 33 detected hydraulic oil does not reach setting locking oil pressure value, 34 actions of automatic controlling system reversal valve, make that hydraulic oil continues to flow in sleeve 321, set the locking oil pressure value so that the pressure of hydraulic oil reaches, and then make flanging template and column 3 as the whole releasing orientation that is in.
And work as flanging template 14 under the effect of two flanging oil cylinder piston bar 10a, when being moved down into the assigned address that makes flanging mould 14a contact workpiece along column 3, flanging this moment oil cylinder 10 carries out flanging, first pressure sensor 18 detects two flanging oil cylinder oil feeding line pressure this moment, and the fuel injection pressure signal that produces passed to automatic control system, automatic control system is according to this fuel injection pressure signal, and control flanging locking device 32 is in following flanging locking duty:
Reversal valve 34 actions that automatic controlling system is connected with hydraulic oil port 322 in the flanging locking device 32, make the hydraulic oil in the sleeve 321 interior described cavitys flow out from hydraulic oil port 322, thereby the pressure that acts on compact heap 324 1 ends is reduced gradually, this moment, spring 325 was under the active force of himself restoring force, constantly promoted compact heap 324 and moved towards the direction near circular cone 327.When spring 325 is returned to original state, spring 325 tightly is against compact heap 324 on the circular cone 327, thereby make 3 lockings of flanging template 14 and column, namely flanging this moment template 14 and column 3 keep current relative position constant, thereby guarantee that flanging template 14 clamps workpiece.
After flanging locking device 32 is locked flanging template 14 and column 3, by controlling first check valve 37, make hydraulic oil flow into the rodless cavity of moulding oil cylinder 12, make moulding oil cylinder 12 carry out action, thereby finish the calendering formation to workpiece.
The control module of the automatic control system of present embodiment also is Programmable Logic Controller, and it can also be according to the rotating speed of locking fuel injection pressure signal control servomotor.
The structure of other member of the intelligent panel beating make-up machine of present embodiment is identical with embodiment 1, no longer repeats at this.
Below in conjunction with present embodiment as the structure of Fig. 4, flanging locking device shown in Figure 5 and Fig. 8, hydraulic work system principle shown in Figure 9, the course of work of intelligent panel beating make-up machine of the present invention is described.
At first, feeding manipulator 23 is put into workpiece on the die that is placed in mould 31 under the control of Programmable Logic Controller, finishes the action of manipulator material loading.
Then, by Controlled by Programmable Controller servomotor 27 high-speed rotation, control DT1 in big pump unloader 28 and the little pump unloader 29 and DT2 and get electricly, make that big pump and the little pump in the duplex pump 4 worked simultaneously, thereby the hydraulic oil in the fuel tank 2 is exported with big flow; Meanwhile, DT7 in first electro hydraulic valve 20 gets, thereby make the hydraulic oil by duplex pump 4 outputs enter the rodless cavity of two flanging oil cylinders 10 respectively, make flanging oil cylinder piston bar 10a be with connected flanging template 14 to move down fast, and first displacement signal that first displacement transducer 9 produces when flanging oil cylinder piston bar 10a is moved down real-time send Programmable Logic Controller to.When flanging template 14 is moved down into the desired location (this desired location can arrange at guidance panel 16) that does not contact with workpiece along column 3, first displacement signal that first displacement transducer 9 will produce sends Programmable Logic Controller to, Programmable Logic Controller compares this first shift value and setting first shift value, and controls the rotating speed of servomotor according to comparative result.When this moment first shift value reach when setting first shift value, the rotating speed of servomotor reduces, and makes flanging mould 10a with under the condition of mould bump not carry out flanging.
When flanging mould 10a contacts with mould when carrying out flanging, first pressure sensor 18 detects to the pressure of the oil circuit of two flanging oil cylinder 10 fuel feeding in real time and produces corresponding fuel injection pressure signal, sends this fuel injection pressure signal to Programmable Logic Controller simultaneously.The fuel injection pressure signal that Programmable Logic Controller received according to this moment, control in first electro-hydraulic reversing valve 20 the DT7 dead electricity (perhaps, also can not set the clamping pressure value, pressure along with system, make the DT7 dead electricity in first electro-hydraulic reversing valve 20), make two hydraulic control one-way valves 43 oppositely only carry, thereby cut off the oil circuit of two flanging oil cylinder 10 rodless cavities, make two flanging oil cylinders 10 be locked, no longer action.
Meanwhile, the fuel injection pressure signal that Programmable Logic Controller transmits according to first pressure sensor 18 that receives, the DT10 of control reversal valve 34 gets electric, makes flanging locking device 32 enter above-mentioned flanging locking duty, thereby makes flanging template 14 and column 3 lockings.At this moment, under the acting in conjunction of the flanging oil cylinder 10 that is locked and flanging locking device 32, the pressure-pad-force that flanging mould 14a produces clamps workpiece, finishes the flanging action.
Then, thickness and material according to workpiece, by the DT1 in the big pump unloader 28 of programme-control and the little pump unloader 29 and DT2 whether Programmable Logic Controller, so that the duty of two pumps in the control duplex pump 4, do as having only chief pumpman in the duplex pump 4, or have only little pump work, or two pumps work simultaneously, thus regulate the rotating speed of servomotor 27 accordingly.Simultaneously, DT5 in second electro-hydraulic reversing valve 21 is got, hydraulic oil enters the rodless cavity of moulding oil cylinder 12, the moulding oil cylinder piston bar 12a of moulding oil cylinder 12 moves down, and the punch that drives in the mould 31 by the punch adjusting screw(rod) moves down, and cooperates with die until punch and finishes drawing and forming and move.And, in forming process, first pressure sensor 18 detects the pressure of the hydraulic oil in its oil feeding line, and produce corresponding fuel injection pressure signal, Programmable Logic Controller is according to the fuel injection pressure signal that produces, converse the briquetting pressure in the forming process, and make briquetting pressure record and be reflected on the guidance panel 16, make the staff can understand briquetting pressure in real time.
When punch cooperate with die workpiece carried out drawing and forming after, first pressure sensor 18 passes to Programmable Logic Controller in real time by detecting the corresponding fuel injection pressure signal that produces to the oil circuit pressure of moulding oil cylinder 12 fuel feeding, Programmable Logic Controller is according to the hydraulic fluid pressure value in the oil circuit of this moment, get by the DT2 that controls little pump unloader, make the little pump work in the duplex pump 4, and the rotating speed of servomotor 27 turned down, thereby finish the pressurize action.
After finishing the pressurize action, Controlled by Programmable Controller servomotor 23 high-speed rotation, the DT1 and the DT2 that control in big pump unloader 28 and the little pump unloader 29 get, make big pump and little pump in the duplex pump 4 work simultaneously, and the DT6 that controls in second electro-hydraulic reversing valve 21 gets, thereby the hydraulic oil that makes duplex pump 4 outputs enters the rod chamber of moulding oil cylinder 12, make moulding oil cylinder piston bar 12a move up by the punch that the punch adjusting screw(rod) drives in the mould 31, finish the backhaul action of moulding oil cylinder 12.
In the process of moulding oil cylinder 12 backhauls, second displacement transducer 11 passes to Programmable Logic Controller with second displacement signal that the displacement when detecting moulding oil cylinder piston bar 12a backhaul produces, setting second shift value during with the moulding oil cylinder piston bar 12a backhaul set at guidance panel 16 is relatively with this second shift value for Programmable Logic Controller, when this second shift value when setting second shift value, control hydraulic oil no longer enters the rod chamber of moulding oil cylinder 12, make that moulding oil cylinder piston bar 12a is no longer mobile, so that the backward position that keeps current is constant.Preferably, the maximum displacement value when setting second shift value and moving down less than moulding oil cylinder piston bar 12a, thus can increase operating efficiency.
When moulding oil cylinder 12 is finished the backhaul action, Controlled by Programmable Controller servomotor 27 high-speed rotation, the DT1 and the DT2 that control in big pump unloader 28 and the little pump unloader 29 get, make big pump and little pump in the duplex pump 4 work simultaneously, and the DT8 that controls in first electro-hydraulic reversing valve 20 gets, make hydraulic oil enter the rod chamber of two flanging oil cylinders 10 respectively, make flanging oil cylinder 10 no longer be locked; Simultaneously, DT9 in the control reversal valve 34 gets, hydraulic oil is entered in the sleeve 321 of flanging locking device 32, make flanging locking device 32 be in above-mentioned flanging releasing orientation, at this moment, flanging template 14 and column 3 are in releasing orientation as whole, thereby make the flanging oil cylinder piston bar 10a in two flanging oil cylinders 10 move up, in order to finish the die sinking action.
When flanging oil cylinder piston bar 10a moves up, first displacement transducer 9 will displacement produces when detecting flanging oil cylinder piston bar 10a backhaul first displacement signal pass to Programmable Logic Controller, first displacement setting value during with the flanging oil cylinder piston bar 10a backhaul set at guidance panel 16 is relatively with this first shift value for Programmable Logic Controller, when this first shift value when setting first shift value, control hydraulic oil no longer enters the rod chamber of flanging oil cylinder 10, make that flanging oil cylinder piston bar 10a is no longer mobile, so that the backward position that keeps current is constant.Preferably, set the maximum displacement value that first shift value moves down less than flanging oil cylinder piston bar 10a.
After flanging oil cylinder 10 was finished die sinking, the DT1 of the big pump unloader 28 of Controlled by Programmable Controller got electric, and the chief pumpman in the duplex pump 4 is done, and the rotating speed of corresponding adjusting servomotor 27.Simultaneously, the DT3 in the control solenoid directional control valve 19 gets electric, and then the hydraulic oil of big pump output enters the rodless cavity that ejects oil cylinder 30, thereby represents by dotted line among liftout attachment 30a(such as Fig. 2) workpiece among the die 31b is ejected.After workpiece was ejected, the DT4 in the solenoid directional control valve 19 got electric, and hydraulic oil enters the rod chamber that ejects oil cylinder 30, ejected oil cylinder 30 and return.
At last, blanking manipulator 6 takes out the workpiece of moulding under the control of Programmable Logic Controller in die 31b, finishes the action of manipulator blanking, and the workpiece of moulding is put into the finished product dolly, thereby finishes a working cycles.
Equally, after above-mentioned flanging action is finished, whether Programmable Logic Controller detects the flanging action automatically and meets the requirements, if after receiving failure alarm signal, the big pump unloader 28 of Controlled by Programmable Controller, 29 work of little pump unloader make hydraulic oil flow back to fuel tank, hydraulic circuit off-load this moment, thereby intelligent panel beating make-up machine is stopped, and enter program self check state.
Although above the present invention has been done detailed description; but the invention is not restricted to this; those skilled in the art can principle according to the present invention make amendment, and therefore, all various modifications of carrying out according to principle of the present invention all should be understood to fall into protection scope of the present invention.
Claims (10)
1. intelligent panel beating make-up machine, comprise: base (1), lower bolster (15), cope match-plate pattern (13), be installed on lower bolster (15) below the many root posts (3) that eject oil cylinder, are installed on lower bolster between (15) and the cope match-plate pattern (13), be positioned between cope match-plate pattern (13) and the lower bolster (15) and be sleeved on flanging template (14) on described many root posts (3), be installed on the moulding oil cylinder (12) on cope match-plate pattern (13) top and be symmetrically set in a plurality of flanging oil cylinders (10) of moulding oil cylinder (12) both sides, it is characterized in that:
Described lower bolster (15) is fixedly installed on the described base (1);
Flanging oil cylinder piston bar in each described flanging oil cylinder (10) passes cope match-plate pattern (13) and is connected with described flanging template (14);
Described moulding oil cylinder (12), described flanging oil cylinder (10) and the described oil cylinder (30) that ejects are connected the pump control hydraulic system respectively;
When having flanging, described pump control hydraulic system is used for locking respectively a plurality of hydraulic control one-way valves (43) and first electro-hydraulic reversing valve (20) that is connected with hydraulic control one-way valve (43) of described a plurality of flanging oil cylinders (12) oil feeding line;
Described pump control hydraulic system links to each other with the automatic control system that is used for regulating its output pressure.
2. intelligent panel beating make-up machine according to claim 1 is characterized in that described automatic control system comprises:
First pressure sensor (18) is used for generating fuel injection pressure signal by detecting oil feeding line pressure.
3. intelligent panel beating make-up machine according to claim 2, it is characterized in that the fuel injection pressure signal that flanging oil cylinder (10) the oil feeding line pressure that described hydraulic control one-way valve (43) and described first electro-hydraulic reversing valve (20) detect according to described first pressure sensor (18) generates is locked described flanging oil cylinder (10) oil feeding line.
4. intelligent panel beating make-up machine according to claim 2, it is characterized in that, be arranged with flanging locking device (32) at the described column (3) that is positioned between described cope match-plate pattern (13) and the described flanging template (14), be used for described flanging template and the locking of described column.
5. intelligent panel beating make-up machine according to claim 4, it is characterized in that, the fuel injection pressure signal that flanging oil cylinder (10) the oil feeding line pressure that described flanging locking device (32) detects according to described first pressure sensor (18) generates is with described flanging template and the locking of described column.
6. intelligent panel beating make-up machine according to claim 5 is characterized in that described automatic control system also comprises:
Second pressure sensor (33), its oil feeding line pressure produces locking fuel injection pressure signal when being used for by the described flanging locking device of detection (32) action.
7. intelligent panel beating make-up machine according to claim 6 is characterized in that, described flanging locking device (32) comprising:
Be set in the sleeve (321) on the described column (3);
Be set in first end cap (328) that described column (3) is gone up and is connected with sleeve (321) one ends;
Be placed in the sleeve (321) respectively and be arranged in compact heap (324) and spring (325) on the described column (3), wherein, an end of compact heap (324) props up spring (325);
The one end is installed in second end cap (326) of sleeve (321) other end, and its other end is fixedlyed connected with described flanging template (14);
Be opened in hydraulic oil port (322) and sensor port (323) on sleeve (321) sidewall respectively;
Wherein, described hydraulic oil port (322) connects reversal valve (34), and described second pressure sensor (33) is installed in the described sensor port (323);
Wherein, described reversal valve (34) and described second pressure sensor (33) link to each other with described pump control hydraulic system.
8. according to claim 2 or 6 described intelligent panel beating make-up machines, it is characterized in that described pump control hydraulic system also comprises the servomotor (27) that rotating speed can be regulated continuously and the duplex pump (4) that is driven by described servomotor (27).
9. intelligent panel beating make-up machine according to claim 8 is characterized in that described automatic control system also comprises:
First displacement transducer (9) is used for producing first displacement signal by detecting flanging oil cylinder piston bar (10a) moving displacement;
Second displacement transducer (11) is used for producing second displacement signal by detecting moulding oil cylinder piston bar (12a) moving displacement; And
Control the control module of described servomotor rotating speed according to described second displacement signal, first displacement signal and fuel injection pressure signal.
10. intelligent panel beating make-up machine according to claim 1 is characterized in that, described base (1) is gone up the robot device that is used for automatic charging, blanking is installed.
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