CN203292272U - Intelligent metal plate forming machine - Google Patents
Intelligent metal plate forming machine Download PDFInfo
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- CN203292272U CN203292272U CN2013203328254U CN201320332825U CN203292272U CN 203292272 U CN203292272 U CN 203292272U CN 2013203328254 U CN2013203328254 U CN 2013203328254U CN 201320332825 U CN201320332825 U CN 201320332825U CN 203292272 U CN203292272 U CN 203292272U
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Abstract
The utility model discloses an intelligent metal plate forming machine which comprises a base, a lower template, an upper template, an ejection oil cylinder, stand columns, a side pressing template, a forming oil cylinder and side pressing oil cylinders. The lower template is fixedly installed on the base, a side pressing oil cylinder piston rod in each side pressing oil cylinder penetrates through the upper template to be connected with the side pressing template, and the forming oil cylinder, the side pressing oil cylinders and the ejection oil cylinder are respectively connected with a pump control hydraulic system. The pump control hydraulic system is provided with a plurality of hydraulic control one-way valves and first electro-hydraulic reversing valves, wherein the hydraulic control one-way valves are used for respectively locking a plurality of oil supply oil ways of the side pressing oil cylinders in the process of side pressing, and the first electro-hydraulic reversing valves are connected with the hydraulic control one-way valves. The pump control hydraulic system is connected with an automatic control system used for adjusting the output pressure of the pump control hydraulic system. The intelligent metal plate forming machine can automatically adjust the pressure of the pump control hydraulic system according to drawing force required by drawing of a workpiece, the quality of a finished metal plate is ensured, the power losses are small, the energy-saving effect is good, loading and discharging can be automatically carried out, the production efficiency is high, the production cost is low, and the accident rate is small.
Description
Technical field
The utility model relates to the Machining Technology field, relates in particular to a kind of sheet-metal forming machine.
Background technology
At present, the product of the hydraulic forming machine on 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 efficiency is low, have certain personal safety hidden danger; Without 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 to 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 form, 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 inadequate, causes the workpiece fold, or pressure-pad-force is excessive, makes workpiece breakage, and waste man-hour and raw material increase production cost.
Summary of the invention
The purpose of this utility model is exactly in order to overcome above-mentioned the deficiencies in the prior art, and a kind of Intelligent metal plate forming 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; Therefore it adopts the hydraulic system of pump control that power is provided, and the pressure of required tensile force automatic-adjusting pump control hydraulic system in the time of can stretching according to workpiece at any time can guarantee the quality of goods, and power loss is few, good energy-conserving effect.
For realizing above-mentioned purpose of the present utility model, Intelligent metal plate forming machine of the present utility model comprises: base, lower bolster, cope match-plate pattern, be installed on lower bolster below ejection cylinder, be installed on many root posts between lower bolster and cope match-plate pattern, between cope match-plate pattern and 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 described base; Flanging cylinder piston rod 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 are connected respectively the pump control hydraulic system with described ejection cylinder; When described pump control hydraulic system has flanging for a plurality of hydraulic control one-way valves of locking respectively described a plurality of flanging oil cylinder oil feeding lines and the first electro-hydraulic reversing valve that is connected with hydraulic control one-way valve; Described pump control hydraulic system is connected with the automatic control system be used to regulating its output pressure.
Wherein, described automatic control system comprises: the first pressure sensor, and for passing through to detect oil feeding line pressing creation fuel injection pressure signal.
Preferably, the fuel injection pressure signal that generates of the flanging oil cylinder oil feeding line pressure that detects according to described the first pressure sensor of described hydraulic control one-way valve and described the first electro-hydraulic reversing valve is locked described flanging oil cylinder oil feeding line.
Further, on the described column between described cope match-plate pattern and described flanging template, be arranged with the flanging locking device, for described flanging template and described column are locked or unclamped.
Preferably, the fuel injection pressure signal that the flanging oil cylinder oil feeding line pressure that described flanging locking device detects according to described the first pressure sensor generates, by described flanging template and the locking of described column.
Wherein, described automatic control system also comprises: the second pressure sensor, while for passing through to detect described flanging locking device, moving, its oil feeding line pressure produces locking fuel injection pressure signal.
Preferably, described flanging locking device comprises: be set in the sleeve on described column; Be set on described column and the first end cap that is connected with sleeve one end; Be placed in respectively in sleeve and be arranged in compact heap and the spring on described column, wherein, an end of compact heap props up spring; The one end is arranged on the second end cap of the sleeve other end, and its other end is fixedly connected with described flanging template; Be opened in respectively hydraulic oil port and sensor port on sleeve lateral wall; Wherein, described hydraulic oil port connects reversal valve, and described the second pressure sensor is installed in described sensor port; Wherein, described reversal valve is connected with described pump control hydraulic system with described the second pressure sensor.
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: the first displacement transducer, for by detecting flanging cylinder piston rod moving displacement, producing the first displacement signal; The second displacement sensor, for producing the second shifting signal by detecting moulding cylinder piston rod moving displacement; And the control module of controlling described servomotor rotating speed according to described second shifting signal, the first displacement signal and fuel injection pressure signal.
Wherein, the robot device for automatic charging, blanking is installed on 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, between described compact heap and described column, have cone space, and settle circular cone in 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 the second electro-hydraulic reversing valve between rodless cavity that are connected to two pumps in described duplex pump; Be connected to oil-out and the rod chamber of ejection cylinder and the solenoid directional control valve between rodless cavity of two pumps in described duplex pump, wherein, described the first electro-hydraulic reversing valve is connected between the rod chamber and rodless cavity of the oil-out of two pumps in described duplex pump and described flanging oil cylinder.
Wherein, the robot device for automatic charging, blanking is installed on described base.
Preferably, described robot device comprises: be installed on the feeding manipulator of loading plate place for material loading; Be installed on the blanking manipulator of blanking tray place for 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 are connected with described automatic control system.
Compared with prior art, Intelligent metal plate forming machine of the present utility model has following advantage:
1) Intelligent metal plate forming machine of the present utility model, when flanging, by the locking of the oil feeding line of flanging oil cylinder, is failure to actuate the flanging oil cylinder by hydraulic control one-way valve, thereby guarantees that workpiece is clamped, and then has guaranteed the product quality after the workpiece drawing and forming;
2) Intelligent metal plate forming machine of the present utility model has the flanging locking device, for when flanging, making flanging template and column locking, before flanging or after the flanging end, flanging template and column are unclamped, thereby while having guaranteed patrix to the workpiece drawing and forming, the position that is arranged on the edge mould of flanging template below keeps motionless, thereby has guaranteed the quality of product;
3) automatic control system of the present utility model has for by detecting flanging oil cylinder oil feeding line, producing the first pressure sensor of fuel injection pressure signal, 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 the first pressure sensor, respectively by 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 freely correct position and is fixed and lock, effectively avoided blank fold in forming process, the appearance of disrepair phenomenon,
4) automatic control system of the present utility model also comprises the second pressure sensor, while for passing through to detect the flanging locking device, moving, its oil feeding line pressure produces locking fuel injection pressure signal, and need to judge whether hydraulic oil to continue to flow into the flanging locking device according to the locking fuel injection pressure signal, thereby can reduce as required fuel feeding, thereby save the energy;
5) flanging locking device of the present utility model is the locking device of machinery and hydraulic hybrid, and it is simple in structure, and is easy to use, coupling mechanism force is adjustable, the problem of time-consuming, the effort while having solved artificial mode transfer, die trial, enhance productivity widely, reduces employee's labour intensity
6) pump control hydraulic system of the present utility model 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 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 metal plate forming machine of the present utility model has the robot device of automatic charging, blanking, so material loading, blanking efficiency are high, has reduced staff's personal safety hidden danger, uses safer.
The accompanying drawing explanation
Fig. 1 is the front view of the Intelligent metal plate forming machine of the utility model the first embodiment;
Fig. 2 is the top view of Intelligent metal plate forming machine shown in Figure 1;
Fig. 3 is the left side view of Intelligent metal plate forming machine shown in Figure 1;
Fig. 4 is the phantom of the Intelligent metal plate forming machine of the utility model the second embodiment;
Fig. 5 is the structural representation of flanging locking device shown in Figure 4;
Fig. 6 is the hydraulic schematic diagram of the Intelligent metal plate forming machine of the utility model the first embodiment;
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 metal plate forming machine of the utility model the second embodiment;
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; The 6-blanking mechanical hand; The 7-illuminating lamp; The 8-photoelectric protective switch; 9-the first displacement transducer; 10-flanging oil cylinder; 11-second displacement sensor; 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-the first pressure sensor; The 19-solenoid directional control valve; 20-the first electro-hydraulic reversing valve; 21-the second electro-hydraulic reversing valve; The 22-return oil filter; The 23-feeding manipulator; The 24-cooler; The 25-air filter; The 26-thermometer; The 27-servomotor; The large pump unloader of 28-; The little pump unloader of 29-; The 30-ejection cylinder; The 31-mould; 32-flanging locking device; 33-the second pressure sensor; The 34-reversal valve; The 35-choke valve; The 36-pressure-reducing valve; 37-the first check valve; 38-the second check valve; 39,42-Pressure gauge; The 40-liquid level gauge; The 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-the second end cap; The 327-circular cone; 328-the first end cap; 10a-flanging cylinder piston rod; 12a-moulding cylinder piston rod; The 14a-edge mould; The 31a-punch; The 31b-die; The 30a-liftout attachment; The 43-hydraulic control one-way valve.
The specific embodiment
Embodiment 1
As shown in Figure 1-Figure 3, Intelligent metal plate forming machine of the present utility model comprises: base 1, lower bolster 15, cope match-plate pattern 13, be installed on lower bolster 15 belows ejection cylinder 30, be installed on many root posts 3 between lower bolster 15 and cope match-plate pattern 13, between cope match-plate pattern 13 and 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 the flanging locking device 32 on many root posts 3 respectively.
Preferably, the quantity of the column 3 that adopts in the utility model 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 utility model, and other member is installed thereon, as fuel tank 2, electrical control cubicles 17, pump control hydraulic system, feeding manipulator 23, blanking mechanical hand 6 and lower bolster 15 etc. be used to settling automatic control system.
Wherein, on electrical control cubicles 17, be equipped with 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 ejection cylinder 30 is positioned at the below of lower bolster 15, liftout attachment 30a is installed on it, and liftout attachment 30a is corresponding with described die 31b position, for as required the workpiece of die being ejected.Flanging cylinder piston rod 10a in each flanging oil cylinder 10 passes cope match-plate pattern 13 and is connected with flanging template 14; on flanging template 14, be mounted with the illuminating lamp 7 of convenient illumination; in flanging template 14 bottom surfaces, edge mould 14a is installed, and on cope match-plate pattern 13, is provided with photoelectric protective switch 8.Bottom at the moulding cylinder piston rod 12a(of moulding oil cylinder 12 as shown in Figure 5) is equipped with punch adjusting screw(rod) (not marking in 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 ejection cylinder 30 are connected respectively the pump control hydraulic system, the pump control hydraulic system have the Intelligent metal plate forming machine when flanging for two hydraulic control one-way valves 43 of locking respectively two flanging oil cylinder 12 oil feeding lines and the 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 the 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 is connected with the automatic control system be used to regulating its output pressure.
Wherein, automatic control system of the present utility model comprises: the first pressure sensor 18, and for passing through to detect oil feeding line pressing creation fuel injection pressure signal.Concrete, the pressure of oil feeding line when the first pressure sensor 18 can detect respectively flanging oil cylinder 10, moulding oil cylinder 10, ejection cylinder 30 action, and generate corresponding fuel injection pressure signal.
When 10 flanging of flanging oil cylinder, the 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 the first electro-hydraulic reversing valve 20 dead electricity according to this fuel injection pressure signal, make 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 edge mould 10a by Workpiece clamping.
Except the first displacement transducer 9 and the second pressure sensor 33, automatic control system of the present utility model also comprises: the first displacement transducer 9, for when flanging oil cylinder 10 moves, by the moving displacement that detects its flanging cylinder piston rod 10a, produce corresponding the first displacement signal; Second displacement sensor 11, for producing the second shifting signal by detecting moulding cylinder piston rod 12a moving displacement; And according to the control module of servomotor 27 rotating speeds in second shifting signal, the first displacement signal, 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 system of the present utility model 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 utility model, preferred, duplex pump adopts two different pumps of discharge capacity, that is: the large pump that discharge capacity is larger and the less little pump of discharge capacity; Be connected to oil-out and the rod chamber of moulding oil cylinder 12 and second electro-hydraulic reversing valve 21 between rodless cavity of two pumps in duplex pump 4; Be connected to the oil-out of two pumps in duplex pump 4 and rod chamber and the solenoid directional control valve between rodless cavity 19 of ejection cylinder 30; Wherein, the first electro-hydraulic reversing valve 20 is connected between the rod chamber and rodless cavity of the oil-out of two pumps in duplex pump 4 and two flanging oil cylinders 10; And, in the oil circuit that the oil-in with the first electro-hydraulic reversing valve 20, the second electro-hydraulic reversing valve 21, solenoid directional control valve 19 is connected, be provided with the first check valve 37, be used to controlling the action of flanging oil cylinder 10, moulding oil cylinder 12 and ejection cylinder 30.
In addition, as shown in Figure 6, pump control hydraulic system of the present utility model also comprises: the second check valve 38 that is connected with the oil-in of the first check valve 37; Be connected to two unloaders between the oil-out of two pumps in fuel tank 2 and duplex pump 4, i.e. large pump unloader 28 and little pump unloader 29; Be connected to the overflow valve 5 between fuel tank 4 and flanging oil cylinder 10 oil-in oil circuits; Be placed in the outer cooler 24 of 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 return oil filter 22 in fuel tank 2; Be connected to the Pressure gauge 39,42 between the oil-out of two pumps of duplex pump 4 and large pump unloader 28, little pump unloader 29; Be connected to the pressure-reducing valve 36 between ejection cylinder 30 and the first check valve 37; And be connected to the choke valve 35 between solenoid directional control valve 19 and ejection cylinder 30.
Preferably, in Intelligent metal plate forming machine of the present utility model, at base 1, also be mounted with the robot device for material loading, blanking.This robot device comprises: be installed on the feeding manipulator 23 of loading plate place for material loading; Be installed on the blanking manipulator 6 of blanking tray place for 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 are connected with automatic control system.Adopt robot device, and by the control of automatic control system, each action in the whole forming process of Workpiece shaping is organically combined, therefore form and unattendedly can automatically complete processing, greatly improve production efficiency, reduced production cost, and reduced effectively the incidence of production accident.
Below in conjunction with Fig. 6, Fig. 7, the course of work of Intelligent metal plate forming machine of the present utility model is described.
At first, feeding manipulator 23, under the control of Programmable Logic Controller, puts into by workpiece the die 31b that is placed in mould 31 upper, completes the action of manipulator material loading.
Then, by Controlled by Programmable Controller servomotor 27 high speed rotating, control DT1 in large pump unloader 28 and little pump unloader 29 and DT2 and obtain electricly, make large pump and little pump in duplex pump 4 work simultaneously, thereby the hydraulic oil in fuel tank 2 is exported with large flow; Meanwhile, by the first check valve 37, control the outflow direction of hydraulic oil, and make the DT7 in the first electro hydraulic valve 20 obtain electric, thereby make the rodless cavity that is entered respectively two flanging oil cylinders 10 by the hydraulic oil of duplex pump 4 outputs, make flanging cylinder piston rod 10a move down fast with connected flanging template 14, and the first displacement signal that the first displacement transducer 9 produces when flanging cylinder piston rod 10a is moved down real-time send Programmable Logic Controller to.When flanging template 14 is moved down into along column 3 desired location (this desired location can arrange on guidance panel 16) that does not contact with workpiece, the first displacement signal that the first displacement transducer 9 will produce sends Programmable Logic Controller to, Programmable Logic Controller compares this first shift value and setting the first shift value, and according to comparative result, controls the rotating speed of servomotor.When this moment the first shift value reach while setting the first shift value, the rotating speed of servomotor reduces, and makes edge mould 10a carry out flanging under the condition of not clashing into mould.
When edge mould 10a and mould carried out flanging, the first pressure sensor 18 detected in real time to the pressure of the oil circuit of two flanging oil cylinder 10 fuel feeding 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 DT7 dead electricity in the first electro-hydraulic reversing valve 20 (or, also can not set the clamping pressure value, pressure along with system, make the DT7 dead electricity in the first electro-hydraulic reversing valve 20), make two hydraulic control one-way valves 43 only oppositely carry, 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, make edge mould 10a by Workpiece clamping, thereby complete the flanging action.
Then, thickness and material according to workpiece, Programmable Logic Controller by the DT1 in the large pump unloader 28 of programme-control and little pump unloader 29 and DT2 whether electric, in order to control the duty of two pumps in duplex pump 4, as in duplex pump 4, only had chief pumpman, do, or only have little pump work, or two pumps work simultaneously, thus regulate accordingly the rotating speed of servomotor 27.Simultaneously, make the DT5 in the second electro-hydraulic reversing valve 21 obtain electric, hydraulic oil enters the rodless cavity of moulding oil cylinder 12, the moulding cylinder piston rod 12a of moulding oil cylinder 12 moves down, and move down by the punch 31a in punch adjusting screw(rod) driven mold 31, make punch 31a coordinate and carry out the drawing and forming action with die 31b.And, in the drawing and forming process, the 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 forming process, and briquetting pressure is recorded and be reflected on guidance panel 16, make the staff can understand in real time briquetting pressure.
After punch and die drawing and forming, the 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, by the DT2 that controls little pump unloader, obtain electric, make the little pump work in duplex pump 4, and the rotating speed of servomotor 27 is turned down, thereby complete the pressurize action.
After completing the pressurize action, Controlled by Programmable Controller servomotor 27 high speed rotating, the DT1 and the DT2 that control in large pump unloader 28 and little pump unloader 29 obtain electric, make large pump and little pump in duplex pump 4 work simultaneously, and the DT6 that controls in the second electro-hydraulic reversing valve 21 obtains electric, thereby the hydraulic oil that makes duplex pump 4 outputs enters the rod chamber of moulding oil cylinder 12, make moulding cylinder piston rod 12a move up by the punch in punch adjusting screw(rod) driven mold 31, complete the backhaul action of moulding oil cylinder 12.
In the process of moulding oil cylinder 12 backhauls, second displacement sensor 11 passes to Programmable Logic Controller by the second shifting signal that the displacement when detecting moulding cylinder piston rod 12a backhaul produces, setting the second shift value during with the moulding cylinder piston rod 12a backhaul set on guidance panel 16 is relatively by this second shift value for Programmable Logic Controller, when this second shift value when setting the second shift value, control the rod chamber that hydraulic oil no longer enters moulding oil cylinder 12, make moulding cylinder piston rod 12a no longer move, so that the backward position that keeps current is constant.Preferably, the maximum displacement value when setting the second shift value moves down less than moulding cylinder piston rod 12a, thus can increase operating efficiency.
When moulding oil cylinder 12 completes the backhaul action, Controlled by Programmable Controller servomotor 27 high speed rotating, the DT1 and the DT2 that control in large pump unloader 28 and little pump unloader 29 obtain electric, make large pump and little pump in duplex pump 4 work simultaneously, and the DT8 that controls in the first electro-hydraulic reversing valve 20 obtains electric, make hydraulic oil enter respectively the rod chamber of two flanging oil cylinders 10, thereby make two flanging cylinder piston rod 10a in flanging oil cylinder 10 move up, in order to complete the die sinking action.
When flanging cylinder piston rod 10a moves up, the first displacement transducer 9 will displacement produces when detecting flanging cylinder piston rod 10a backhaul the first displacement signal pass to Programmable Logic Controller, the first displacement setting value during with the flanging cylinder piston rod 10a backhaul set on guidance panel 16 is relatively by this first shift value for Programmable Logic Controller, when this first shift value when setting the first shift value, control the rod chamber that hydraulic oil no longer enters flanging oil cylinder 10, make flanging cylinder piston rod 10a no longer move, so that the backward position that keeps current is constant.Preferably, set the maximum displacement value that the first shift value moves down less than flanging cylinder piston rod 10a.
After flanging oil cylinder 10 completed die sinking, the DT1 of the large pump unloader 28 of Controlled by Programmable Controller obtained electric, and the chief pumpman in duplex pump 4 is done, and the rotating speed of corresponding adjusting servomotor 27.Simultaneously, the DT3 in control solenoid directional control valve 19 obtains electric, and the hydraulic oil of large pump output enters the rodless cavity of ejection cylinder 30, thereby represents by dotted line in liftout attachment 30a(such as Fig. 2) workpiece in die 31b is ejected.After workpiece was ejected, the DT4 in solenoid directional control valve 19 obtained electric, and hydraulic oil enters the rod chamber of ejection cylinder 30, and ejection cylinder 30 is return.
Finally, blanking manipulator 6, under the control of Programmable Logic Controller, takes out the workpiece of moulding in die 31b, completes the action of manipulator blanking, and the workpiece of moulding is put into to the finished product dolly, thereby complete an operation cycle.
Preferably, after above-mentioned flanging action completes, whether Programmable Logic Controller automatically detects the flanging action and meets the requirements, if after receiving failure alarm signal, the large 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 the Intelligent metal plate forming machine is stopped, and enter program self check state.
Intelligent metal plate forming 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 sheathed flanging locking devices 32 of difference on four columns 3 between cope match-plate pattern 13 and flanging template 14, when four flanging locking devices 32 move at two flanging oil cylinders 10, carrying out flanging, the fuel injection pressure signal that two flanging oil cylinders, the 10 oil feeding line pressure that detect according to the first pressure sensor 18 generate, by flanging template 14 and four column 3 lockings.When edge 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 the present embodiment passed through flanging template 14 and column locking, and the pressure-pad-force of forming machine is met the demands.
Wherein, as shown in Figure 4, Figure 5, the flanging locking device 32 of the present embodiment is the locking device of machinery and hydraulic hybrid effect, and it comprises: be set in the sleeve 321 on column 3, between the outer surface of its inner surface and column 3, have certain interval; Be set on column 3 and the first end cap 328 that is fixedly connected with sleeve 321 1 ends; Be placed in respectively in sleeve 321 and axially be located in successively spring 325 and the compact heap 324 on column 3 from top to bottom along sleeve 321, wherein, an end in contact spring 325 of compact heap 324 and selectable holddown spring 325; Be arranged on the second end cap 326 of sleeve 321 other ends, its other end is fixedly connected with flanging template 14, and has certain distance between the second end cap 326 end face relative with compact heap 324.By the first end cap 328 and the second end cap 326, by spring 325, compact heap 324 shutoff between sleeve 321 and column 3.And, on the sidewall of sleeve 321, offer respectively hydraulic oil port 322 and sensor port 323, hydraulic oil port 322 connect for control that hydraulic oil enters or the reversal valve 34(that flows out as shown in Figure 8), the second pressure sensor 33(that the interior installation of sensor port 323 its oil feeding line pressure when detecting 32 action of flanging locking device produces corresponding locking fuel injection pressure signal is as shown in Figure 8).
Preferably, hydraulic oil port 322 is aimed at the end away from spring 325 of compact heaps 324, make the hydraulic oil that enters from hydraulic oil port 3222 can act on the described end of compact heap 324, or 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, with the pressure that is easily installed in the hydraulic oil in 33 pairs of flanging locking device 32 oil feeding lines of the second pressure sensor in sensor port 323, detects.
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 larger stretches out in a described end of compact heap 324 and is against on the second end cap 326, thereby make between the inner surface of the outer surface of circular cone 327 and sleeve 321, have the cavity for temporary hydraulic oil, and this cavity is corresponding with the position of described hydraulic oil port 322.
Below specifically describe the operation principle of the flanging locking device 32 of the present embodiment.
When the flanging template 14 of flanging oil cylinder 10 under the effect of two flanging cylinder piston rod 10a, while along column 3, being moved down into the assigned address that does not make edge mould 14a contact workpiece, flanging this moment oil cylinder 10 does not carry out the flanging action, the 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:
Meanwhile, be arranged on the pressure of hydraulic oil in the oil feeding line that the second pressure sensor 33 in sensor port 323 detects 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 controlling reversal valve 34, so that the pressure of current hydraulic oil can be remained flanging template 14 and column 3 as the whole releasing orientation that is in; And the pressure of the hydraulic oil that detects when the second pressure sensor 33 does not reach while setting the locking oil pressure value, 34 actions of automatic controlling system reversal valve, make hydraulic oil continue to the interior inflow of sleeve 321, so that the pressure of hydraulic oil reaches, set the locking oil pressure value, 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 cylinder piston rod 10a, while along column 3, being moved down into the assigned address that makes edge mould 14a contact workpiece, flanging this moment oil cylinder 10 carries out flanging, the first pressure sensor 18 detects two flanging oil cylinder oil feeding line pressure this moment, and the fuel injection pressure signal that produces is passed to automatic control system, automatic control system, according to this fuel injection pressure signal, is controlled flanging locking device 32 and is in following flanging locking duty:
After flanging locking device 32 is locked flanging template 14 and column 3, by controlling the first check valve 37, make hydraulic oil flow into the rodless cavity of moulding oil cylinder 12, moulding oil cylinder 12 is performed an action, thereby complete the calendering formation to workpiece.
The control module of the automatic control system of the present embodiment is also Programmable Logic Controller, and it can also control according to the locking fuel injection pressure signal rotating speed of servomotor.
The structure of other member of the Intelligent metal plate forming machine of the present embodiment is identical with embodiment 1, at this, no longer repeats.
Below in conjunction with the structure of the flanging locking device as shown in Figure 4, Figure 5 of the present embodiment and Fig. 8, hydraulic work system principle shown in Figure 9, the course of work of Intelligent metal plate forming machine of the present utility model is described.
At first, feeding manipulator 23, under the control of Programmable Logic Controller, is put into workpiece on the die that is placed in mould 31, completes the action of manipulator material loading.
Then, by Controlled by Programmable Controller servomotor 27 high speed rotating, control DT1 in large pump unloader 28 and little pump unloader 29 and DT2 and obtain electricly, make large pump and little pump in duplex pump 4 work simultaneously, thereby the hydraulic oil in fuel tank 2 is exported with large flow; Meanwhile, DT7 in the first electro hydraulic valve 20 obtains electric, thereby make the rodless cavity that is entered respectively two flanging oil cylinders 10 by the hydraulic oil of duplex pump 4 outputs, make flanging cylinder piston rod 10a move down fast with connected flanging template 14, and the first displacement signal that the first displacement transducer 9 produces when flanging cylinder piston rod 10a is moved down real-time send Programmable Logic Controller to.When flanging template 14 is moved down into along column 3 desired location (this desired location can arrange on guidance panel 16) that does not contact with workpiece, the first displacement signal that the first displacement transducer 9 will produce sends Programmable Logic Controller to, Programmable Logic Controller compares this first shift value and setting the first shift value, and according to comparative result, controls the rotating speed of servomotor.When this moment the first shift value reach while setting the first shift value, the rotating speed of servomotor reduces, and makes edge mould 10a carry out flanging under the condition of not clashing into mould.
As edge mould 10a, with mould, contact while carrying out flanging, the first pressure sensor 18 detects in real time to the pressure of the oil circuit of two flanging oil cylinder 10 fuel feeding 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 DT7 dead electricity in the first electro-hydraulic reversing valve 20 (or, also can not set the clamping pressure value, pressure along with system, make the DT7 dead electricity in the 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 the first pressure sensor 18 that receives, the DT10 of control reversal valve 34 obtains 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 edge mould 14a produces, by Workpiece clamping, completes the flanging action.
Then, thickness and material according to workpiece, Programmable Logic Controller by the DT1 in the large pump unloader 28 of programme-control and little pump unloader 29 and DT2 whether electric, in order to control the duty of two pumps in duplex pump 4, as in duplex pump 4, only had chief pumpman, do, or only have little pump work, or two pumps work simultaneously, thus regulate accordingly the rotating speed of servomotor 27.Simultaneously, make the DT5 in the second electro-hydraulic reversing valve 21 obtain electric, hydraulic oil enters the rodless cavity of moulding oil cylinder 12, the moulding cylinder piston rod 12a of moulding oil cylinder 12 moves down, and move down by the punch in punch adjusting screw(rod) driven mold 31, until punch has coordinated the drawing and forming action with die.And, in forming process, the 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 forming process, and briquetting pressure is recorded and be reflected on guidance panel 16, make the staff can understand in real time briquetting pressure.
After when punch, with die, coordinating workpiece being carried out to drawing and forming, the 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, by the DT2 that controls little pump unloader, obtain electric, make the little pump work in duplex pump 4, and the rotating speed of servomotor 27 is turned down, thereby complete the pressurize action.
After completing the pressurize action, Controlled by Programmable Controller servomotor 23 high speed rotating, the DT1 and the DT2 that control in large pump unloader 28 and little pump unloader 29 obtain electric, make large pump and little pump in duplex pump 4 work simultaneously, and the DT6 that controls in the second electro-hydraulic reversing valve 21 obtains electric, thereby the hydraulic oil that makes duplex pump 4 outputs enters the rod chamber of moulding oil cylinder 12, make moulding cylinder piston rod 12a move up by the punch in punch adjusting screw(rod) driven mold 31, complete the backhaul action of moulding oil cylinder 12.
In the process of moulding oil cylinder 12 backhauls, second displacement sensor 11 passes to Programmable Logic Controller by the second shifting signal that the displacement when detecting moulding cylinder piston rod 12a backhaul produces, setting the second shift value during with the moulding cylinder piston rod 12a backhaul set on guidance panel 16 is relatively by this second shift value for Programmable Logic Controller, when this second shift value when setting the second shift value, control the rod chamber that hydraulic oil no longer enters moulding oil cylinder 12, make moulding cylinder piston rod 12a no longer move, so that the backward position that keeps current is constant.Preferably, the maximum displacement value when setting the second shift value moves down less than moulding cylinder piston rod 12a, thus can increase operating efficiency.
When moulding oil cylinder 12 completes the backhaul action, Controlled by Programmable Controller servomotor 27 high speed rotating, the DT1 and the DT2 that control in large pump unloader 28 and little pump unloader 29 obtain electric, make large pump and little pump in duplex pump 4 work simultaneously, and the DT8 that controls in the first electro-hydraulic reversing valve 20 obtains electric, make hydraulic oil enter respectively the rod chamber of two flanging oil cylinders 10, make flanging oil cylinder 10 no longer be locked; Simultaneously, the DT9 that controls in reversal valve 34 obtains electric, 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 two flanging cylinder piston rod 10a in flanging oil cylinder 10 move up, in order to complete the die sinking action.
When flanging cylinder piston rod 10a moves up, the first displacement transducer 9 will displacement produces when detecting flanging cylinder piston rod 10a backhaul the first displacement signal pass to Programmable Logic Controller, the first displacement setting value during with the flanging cylinder piston rod 10a backhaul set on guidance panel 16 is relatively by this first shift value for Programmable Logic Controller, when this first shift value when setting the first shift value, control the rod chamber that hydraulic oil no longer enters flanging oil cylinder 10, make flanging cylinder piston rod 10a no longer move, so that the backward position that keeps current is constant.Preferably, set the maximum displacement value that the first shift value moves down less than flanging cylinder piston rod 10a.
After flanging oil cylinder 10 completed die sinking, the DT1 of the large pump unloader 28 of Controlled by Programmable Controller obtained electric, and the chief pumpman in duplex pump 4 is done, and the rotating speed of corresponding adjusting servomotor 27.Simultaneously, the DT3 in control solenoid directional control valve 19 obtains electric, and the hydraulic oil of large pump output enters the rodless cavity of ejection cylinder 30, thereby represents by dotted line in liftout attachment 30a(such as Fig. 2) workpiece in die 31b is ejected.After workpiece was ejected, the DT4 in solenoid directional control valve 19 obtained electric, and hydraulic oil enters the rod chamber of ejection cylinder 30, and ejection cylinder 30 is return.
Finally, blanking manipulator 6, under the control of Programmable Logic Controller, takes out the workpiece of moulding in die 31b, completes the action of manipulator blanking, and the workpiece of moulding is put into to the finished product dolly, thereby complete an operation cycle.
Equally, after above-mentioned flanging action completes, whether Programmable Logic Controller automatically detects the flanging action and meets the requirements, if after receiving failure alarm signal, the large 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 the Intelligent metal plate forming machine is stopped, and enter program self check state.
Although above the utility model is explained in detail; but the utility model is not limited to this; those skilled in the art can modify according to principle of the present utility model; therefore, all various modifications of carrying out according to principle of the present utility model all should be understood to fall into protection domain of the present utility model.
Claims (10)
1. Intelligent metal plate forming machine, comprise: base (1), lower bolster (15), cope match-plate pattern (13), be installed on lower bolster (15) below ejection cylinder, be installed on many root posts (3) between lower bolster (15) and cope match-plate pattern (13), be positioned between cope match-plate pattern (13) and 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 described base (1);
Flanging cylinder piston rod 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 described ejection cylinder (30) are connected respectively the pump control hydraulic system;
When described pump control hydraulic system has flanging for a plurality of hydraulic control one-way valves (43) of locking respectively described a plurality of flanging oil cylinders (12) oil feeding line and the first electro-hydraulic reversing valve (20) that is connected with hydraulic control one-way valve (43);
Described pump control hydraulic system is connected with the automatic control system be used to regulating its output pressure.
2. Intelligent metal plate forming machine according to claim 1, is characterized in that, described automatic control system comprises:
The first pressure sensor (18), for passing through to detect oil feeding line pressing creation fuel injection pressure signal.
3. Intelligent metal plate forming 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 the first electro-hydraulic reversing valve (20) detect according to described the first pressure sensor (18) generates is locked described flanging oil cylinder (10) oil feeding line.
4. Intelligent metal plate forming machine according to claim 2, it is characterized in that, on the described column (3) that is positioned between described cope match-plate pattern (13) and described flanging template (14), be arranged with flanging locking device (32), for described flanging template and described column are locked.
5. Intelligent metal plate forming 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 the first pressure sensor (18) generates, by described flanging template and the locking of described column.
6. Intelligent metal plate forming machine according to claim 5, is characterized in that, described automatic control system also comprises:
The second pressure sensor (33), while for passing through to detect described flanging locking device (32), moving, its oil feeding line pressure produces locking fuel injection pressure signal.
7. Intelligent metal plate forming machine according to claim 6, is characterized in that, described flanging locking device (32) comprising:
Be set in the sleeve (321) on described column (3);
Be set in the first end cap (328) that described column (3) is upper and be connected with sleeve (321) one ends;
Be placed in respectively in sleeve (321) and be arranged in compact heap (324) and the spring (325) on described column (3), wherein, an end of compact heap (324) props up spring (325);
The one end is arranged on second end cap (326) of sleeve (321) other end, and its other end is fixedly connected with described flanging template (14);
Be opened in respectively hydraulic oil port (322) and sensor port (323) on sleeve (321) sidewall;
Wherein, described hydraulic oil port (322) connects reversal valve (34), and described the second pressure sensor (33) is installed in described sensor port (323);
Wherein, described reversal valve (34) is connected with described pump control hydraulic system with described the second pressure sensor (33).
8. according to claim 2 or 6 described Intelligent metal plate forming machines, 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 metal plate forming machine according to claim 8, is characterized in that, described automatic control system also comprises:
The first displacement transducer (9), for producing the first displacement signal by detecting flanging cylinder piston rod (10a) moving displacement;
Second displacement sensor (11), for producing the second shifting signal by detecting moulding cylinder piston rod (12a) moving displacement; And
According to described second shifting signal, the first displacement signal and fuel injection pressure signal, control the control module of described servomotor rotating speed.
10. Intelligent metal plate forming machine according to claim 1, is characterized in that, the upper robot device of installing for automatic charging, blanking of described base (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203328254U CN203292272U (en) | 2013-06-08 | 2013-06-08 | Intelligent metal plate forming machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203328254U CN203292272U (en) | 2013-06-08 | 2013-06-08 | Intelligent metal plate forming machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203292272U true CN203292272U (en) | 2013-11-20 |
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ID=49568312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203328254U Withdrawn - After Issue CN203292272U (en) | 2013-06-08 | 2013-06-08 | Intelligent metal plate forming machine |
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| Country | Link |
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| CN (1) | CN203292272U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103316988A (en) * | 2013-06-08 | 2013-09-25 | 山西斯普瑞机械制造股份有限公司 | Intelligent metal plate molding machine |
| TWI579069B (en) * | 2014-03-20 | 2017-04-21 | Displacement compensation and feedback system |
-
2013
- 2013-06-08 CN CN2013203328254U patent/CN203292272U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103316988A (en) * | 2013-06-08 | 2013-09-25 | 山西斯普瑞机械制造股份有限公司 | Intelligent metal plate molding machine |
| CN103316988B (en) * | 2013-06-08 | 2015-10-28 | 山西斯普瑞机械制造股份有限公司 | Intelligent metal plate forming machine |
| TWI579069B (en) * | 2014-03-20 | 2017-04-21 | Displacement compensation and feedback system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131120 Effective date of abandoning: 20151028 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |