CN103861926A - Numerical control efficient energy-saving environment protection double-action stretching machine and stretching method - Google Patents
Numerical control efficient energy-saving environment protection double-action stretching machine and stretching method Download PDFInfo
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- CN103861926A CN103861926A CN201410091238.XA CN201410091238A CN103861926A CN 103861926 A CN103861926 A CN 103861926A CN 201410091238 A CN201410091238 A CN 201410091238A CN 103861926 A CN103861926 A CN 103861926A
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- 230000033001 locomotion Effects 0.000 claims description 10
- 238000004146 energy storage Methods 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 9
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- 239000002828 fuel tank Substances 0.000 claims description 8
- 238000006073 displacement reaction Methods 0.000 claims description 7
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- 230000000694 effects Effects 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 4
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- 229910052751 metal Inorganic materials 0.000 description 3
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- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
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Abstract
The invention provides a numerical control efficient energy-saving environment protection double-action stretching machine and a stretching method for solving the problems of low production efficiency and high energy consumption of the existing stretching machine. The stretching machine comprises a stretching cylinder, a fast cylinder, an edge pressing cylinder, an upright post, a beam plate, a hydraulic system, an energy accumulating system, an electric control cabinet and a main oil tank, wherein the stretching cylinder, the fast cylinder, the edge pressing cylinder, the upright post, the beam plate, the hydraulic system, the energy accumulating system, the electric control cabinet and the main oil tank are arranged on a machine frame, the beam plate comprises an upper beam plate, an edge pressing movable beam, an edge pressing fixed beam, a stretching movable beam and a lower beam plate, the edge pressing cylinder and the fast cylinder are fixedly connected with the upper beam plate, the upper beam plate is fixedly connected with the upright post through an upper beam upright post locking screw nut, the stretching cylinder is fixedly connected with the lower beam plate, and the lower beam plate and the edge pressing fixed beam are fixedly connected with the upright post through a lower beam upright post locking screw nut. The method comprises the following steps that the edge pressing movable beam realizes idle-load ultrahigh-speed descending and low-speed mold profiling pressure preservation; the stretching movable beam fast stretches, the edge pressing movable beam returns at an ultrahigh speed, the system pressure and the flow rate are controlled by adopting a proportion valve, the stepless pressure regulation and speed regulation can be realized, and the stretching machine and the method have the characteristics that the stepless pressure regulation and speed regulation can be realized, the work efficiency is high, the energy consumption is low, the operation is convenient, the environment is protected, and the like.
Description
Technical field
The present invention relates to a kind of stretching-machine, especially a kind of numerical control efficient energy-conserving and environment-protective double-action drawing machine and drawing process.
Background technology
Hydraulic tensioner is a kind of a kind of equipment that completes sheet metal stretch processing, the stretching-machine using in production reality at present, and being mostly floats stretches or is just stretching, reverse-drawing, it is bulky, complex structure, and efficiency is low, energy consumption is high, and poor stability, operation regulates difficulty, and maintenance is inconvenient, automaticity is low, is not easy to support the use with modern machines people, manipulator.
Summary of the invention
For above-mentioned situation, the invention provides a kind of automaticity high, can significantly enhance productivity and can effective guarantee operator safety, energy-efficient numerical control efficient energy-conserving and environment-protective double-action drawing machine, the problem existing to solve existing stretching-machine.
Technical scheme of the present invention is achieved in that
A kind of numerical control efficient energy-conserving and environment-protective double-action drawing machine, comprise: be arranged on stretching cylinder, fast cylinder, flanging cylinder, column, beam slab, hydraulic system, energy-storage system, electrical control cabinet and main fuel tank in frame, beam slab comprises beam slab, flanging walking beam, flanging built-in beam, stretch beam and lower beam slab, flanging cylinder is fixedly connected with upper beam slab with fast cylinder, upper beam slab is fixedly connected with column by upper beam column locking nut, stretching cylinder is fixedly connected with lower beam slab, and lower beam slab is fixedly connected with column by underbeam column locking nut with flanging built-in beam.
Preferably, the first rapid movement workpiece pressing of flanging cylinder, stretching cylinder stretches again.
Preferably, the number of fast cylinder is 2, and the number of flanging cylinder is 2 or 4.
Preferably, hydraulic system comprises the full plug-in mounting oil piping system and the electric-hydraulic proportion overflowing and speed valve that are arranged on main fuel tank.
Preferably, in the middle of flanging built-in beam and flanging walking beam, be provided with mesopore.
Preferably, also comprise motor pump drive system, motor pump drive system is to energy-storage system input high pressure liquid force feed, and energy-storage system output high pressure liquid force feed is in stretching cylinder.
Preferably, electrical control cabinet adopts non-contact transistor microcomputerized control cabinet to carry out electrical control.
Preferably, also comprise electronic ruler, the displacement of electronic ruler for measuring flanging walking beam and stretch beam.
Preferably, also comprise operating space protective device, operating space protective device adopts infrared ray galvanic reflex inductor.
The drawing process of numerical control efficient energy-conserving and environment-protective double-action drawing machine, is characterized in that, comprises the following steps:
(1) blank holder is fixed on the upper surface of flanging built-in beam, stretching die is fixed on the lower surface of flanging walking beam simultaneously, stretching convex die is fixed on the upper surface of stretch beam, make stretching convex die pass the mesopore of flanging built-in beam, make the top point of stretching convex die lower than 1mm place, blank holder upper surface;
(2) raw materials for production sheet is placed on blank holder, starts numerically controlled control system, system is transferred under manual mode, regulate the travel position of flanging walking beam and stretch beam, system is transferred under auto state;
(3) press start button, electricity-liquid proportional overflowing and speed valve and fast cylinder descend magnetic valve energising soon, motor pump drive system moves downward fast cylinder fast, microinching in the time approaching soon flanging built-in beam, when flanging die is encountered blank holder, fast cylinder descends magnetic valve power-off soon, the energising of flanging cylinder magnetic valve, has started to press workpiece pressing, in the time that pressure arrives setup pressure value, the power-off of flanging cylinder magnetic valve, flanging cylinder starts pressurize, stretching cylinder magnetic valve energising when the power-off of flanging cylinder, stretching cylinder moves upward fast, carries out Rapid stretching;
(4) in the time being stretched to set depth or subscribing pressure, the power-off of stretching cylinder rising magnetic valve, the energising of stretching cylinder decline magnetic valve, stretching cylinder moves downward fast, after stretching cylinder moves downward and puts in place, the power-off of stretching cylinder decline magnetic valve, the energising of fast cylinder backhaul magnetic valve, flanging walking beam moves upward fast, in the time that workpiece is encountered material returned bar, carry out the material returned, after motion puts in place, the power-off of fast cylinder backhaul magnetic valve, the motion of flanging walking beam stops;
(5) take off the workpiece stretching, put into raw materials for production sheet, complete an actuation cycle, repeat above action and produce.
Flanging cylinder of the present invention unloaded supper-fast descending, pattern pressurize and stretching oil cylinder Rapid stretching and supper-fastly the multiple speed such as return at a slow speed, system pressure and the control of flow adoption rate valve, can realize stepless voltage regulation, speed governing, simple, quick.Owing to adopting non-contact transistor microcomputerized control and electricity-liquid proportional overflowing and speed valve, the sectional pressure regulation in the time that stretching cylinder stretches of flanging cylinder pressure, hydraulic system adopts full plug-in mounting oil circuit, there is oil mass large, leak the features such as low, oil temperature is low, oil rub resistance ability is strong, stability is strong, be specially adapted to pressing process, thin plate stretching, flange of plastic material etc., also can be used for the cold-extrusion technology of metal parts.The present invention has operating efficiency high (comparable common stretching-machine improve 30%-100%), energy consumption low (saving 30%-50% than common stretching-machine), and easy to operate, stable working, safety, environmental protection, life-span be long, degree of changing into high automatically.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is front view of the present invention;
Fig. 2 is side view of the present invention.
In figure:
1, frame; 2, lower beam slab; 3, stretch beam; 4, column; 5, flanging built-in beam; 6, flanging walking beam; 7, upper beam slab; 8, upper beam column locking nut; 9, flanging cylinder; 10, fast cylinder; 11, energy-storage system; 12, stretching cylinder; 13, electrical control cabinet; 14, control panel; 15, infrared ray galvanic reflex inductor; 16, electronic ruler; 17, material returned bar; 18, main fuel tank; 19, full plug-in mounting oil piping system; 20, electric-hydraulic proportion overflowing and speed valve; 21, motor pump drive system; 22, underbeam column locking nut.
The specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Based on the embodiment in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
As depicted in figs. 1 and 2, a kind of numerical control efficient energy-conserving and environment-protective double-action drawing machine, comprise 1 stretching cylinder 12, 2 fast cylinders 10, 2 or 4 flanging cylinders 9, article 4,4 and 5 beam slabs of column, 5 beam slabs are respectively beam slab 7, flanging walking beam 6, in the middle of flanging walking beam 6, there is the mesopore by product, flanging built-in beam 5, stretch beam 3 and lower beam slab 2, also comprise unloading mechanism, hydraulic system and electric control system, frame 1 is provided with lower beam slab 2 and main fuel tank 18, full plug-in mounting oil piping system 19 and electricity-liquid proportional overflowing and speed valve 20 are housed on main fuel tank 18, also comprise energy-storage system 11, lower beam slab 2 matches with column 4, fixing by underbeam column locking nut 22, stretching cylinder 12 is connected with lower beam slab 2, stretch beam 3 is connected with stretching cylinder piston rod, flanging built-in beam 5 is fixed on column 4 and is not moved by underbeam column locking nut 22, in the middle of flanging built-in beam 5, there is the mesopore by mould, flanging cylinder 9 and fast cylinder 10 are connected on beam slab 7, fast cylinder piston rod is connected with flanging walking beam 6, upper beam slab 7 matches with column 4, fixing by upper beam column locking nut 8, electrical control cabinet 13 is fixed on main fuel tank 18 by securing member, control panel 14 is fixed on flanging built-in beam 5 by support, flanging walking beam 6 all adopts electronic ruler 16 to control with the displacement of stretch beam 3, operating space protective device adopts infrared ray galvanic reflex inductor 15 to protect, electrical control adopts non-contact transistor microcomputerized control.
Column 4 adopts multi-stage stairs structure to add locking nut, owing to being provided with separately flanging cylinder 9 and stretching cylinder 12, in drawing process, compared with traditional stretching-machine, there is not interaction relation with stretching cylinder 12 in flanging cylinder 9, first supper-fast motion workpiece pressing of flanging cylinder 9, stretching cylinder 12 stretches again, the power of stretching cylinder 12 does not offset with the power of flanging cylinder 9, guarantee in the situation that tensile force is identical, the nominal pressure that stretching cylinder 12 needs reduces, therefore the cylinder diameter of stretching cylinder 12 also reduces accordingly, because cylinder diameter reduces, thereby the movement velocity of cylinder piston rod increases, and then the required motor power (output) of power source oil pump also reduces accordingly, in increasing work efficiency, reduce energy consumption, reduce noise pollution, play the effect of high-efficient energy-saving environment friendly.The present invention is provided with 2 fast cylinders 10, can make the supper-fast flanging of flanging cylinder 9, in addition, is fixed with 2 or 4 flanging cylinders 9 on upper beam slab 7, makes pressure-pad-force even, reliable, stable.In the middle of flanging built-in beam 5, there is the mesopore by mould, mould approaches the blank holder upper surface being fixed on flanging built-in beam 5 in original state, when after the quick flanging pressurize of flanging cylinder 9, stretching oil cylinder can be realized Rapid stretching, descending stroke when having reduced common stretching-machine and stretching, enhances productivity.Hydraulic system adopts full plug-in mounting oil piping system 19 and electric-hydraulic proportion overflowing and speed valve 20, realizes stepless speed regulation and pressure regulation.Flanging walking beam 6 all adopts electronic ruler 16 to control with the displacement of stretch beam 3, easy to adjust, accurate, reliable, stable.Electrical control adopts non-contact transistor microcomputerized control.Operating space protective device adopts infrared ray galvanic reflex inductor 15, and safety is also reliable.
Method of work of the present invention is, blank holder is fixed on the upper surface of flanging built-in beam 5, stretching die is fixed on the lower surface of flanging walking beam 6 simultaneously, stretching convex die is fixed on the upper surface of stretch beam 3, make stretching convex die pass the mesopore of flanging built-in beam 5, make the top point of stretching convex die lower than blank holder end face 1mm place, raw materials for production sheet is placed on blank holder, start numerically controlled control system, system is transferred under manual mode, regulate the travel position of flanging walking beam 6 and stretch beam 3, system is transferred under auto state, press start button, electric-hydraulic proportion overflowing and speed valve 20 and fast cylinder descend magnetic valve energising soon, motor pump drive system 21 moves downward fast cylinder 10 fast, microinching in the time approaching soon flanging built-in beam 5, when flanging die is encountered blank holder, fast cylinder descends magnetic valve power-off soon, the energising of flanging cylinder magnetic valve, start to press, workpiece pressing, in the time that pressure arrives setup pressure value, the power-off of flanging cylinder magnetic valve, flanging cylinder 9 starts pressurize, stretching cylinder magnetic valve energising when 9 power-off of flanging cylinder, stretching cylinder 12 moves upward fast, carry out Rapid stretching, in the time being stretched to set depth, the power-off of stretching cylinder rising magnetic valve, the energising of stretching cylinder decline magnetic valve, stretching cylinder 12 moves downward fast, after stretching cylinder 12 moves downward and puts in place, stretching cylinder 12 decline magnetic valve power-off, the energising of fast cylinder backhaul magnetic valve, flanging walking beam 6 moves upward fast, in the time that workpiece is encountered material returned bar 17, carry out the material returned, after motion puts in place, the power-off of fast cylinder backhaul magnetic valve, 6 motions of flanging walking beam stop, take off the workpiece stretching, put into raw materials for production sheet, complete an actuation cycle, repeating above action produces.
Numerical control efficient energy-conserving and environment-protective double-action drawing facility of the present invention have following remarkable advantage:
1, owing to being provided with upper beam slab 7, flanging walking beam 6, flanging built-in beam 5, stretch beam 3, lower beam slab 2, article 4, column 4, and column 4 adopts multi-stage stairs structure to add locking nut, and be provided with separately flanging cylinder 9 and stretching cylinder 12, in increasing work efficiency, reduce energy consumption, reduce noise pollution, play the effect of high-efficient energy-saving environment friendly.
2, because flanging walking beam 6 is provided with fast cylinder 10, can make the supper-fast flanging of flanging die, convenient, fast, save time, enhance productivity.
3,, owing to being fixed with 2 or 4 flanging cylinders 9 on upper beam slab, make pressure-pad-force even, reliable, stable.
4, because blank holder is fixed on flanging walking beam 6, be that face contacts with face, stressed even, stable.
5, have the mesopore by mould due in the middle of flanging built-in beam 5, mould approaches the upper surface of blank holder in original state, and when after the quick flanging of flanging cylinder 9, stretching cylinder 12 can be realized Rapid stretching, and descending stroke while having reduced common stretching-machine stretching, raises the efficiency.
6, because hydraulic system adopts full plug-in mounting oil piping system 19 and electric-hydraulic proportion overflowing and speed valve 20, realize stepless voltage regulation and speed governing.Stretching cylinder 12 can upwards stretch after certain displacement, move downward any distance, after the certain displacement that upwards stretches again, move downward again any distance, be conducive to oil extraction in the time stretching, exhaust can realize segmentation variable voltage control in the time stretching, and has reduced product and has occurred breaking in the time stretching, the rate of reducing the number of rejects and seconds, has improved qualification rate and the production efficiency of product.
7, because flanging walking beam 6 and the displacement of stretch beam 3 all adopt electronic ruler 16 to control, can directly on control panel 14, regulate, therefore easy to adjust, the precision of electronic ruler 16 can reach 0.01mm, reliable, stable.
8, electrical control adopts safety low-voltage DC24V non-contact transistor microcomputerized control, control stable, the life-span is long, wiring is simple, specious.
9, operating space protective device adopts infrared ray galvanic reflex inductor 15, and volume is long, global design, safety, reliably, protection domain is large.
10, owing to having adopted energy-storage system 11, make equipment at one's leisure or carry out accumulation of energy when energy surplus, in the time of work, carry out energy supplement, increase power, faster production, reduces the process-cycle, saves energy, has reached effects efficient, energy-saving and environmental protection.
11, because electrical control has adopted microcomputerized control; can make equipment shut down at one's leisure when the arrival setting adjusting time does not receive any instruction in the time of device standby state; computer controller sends halt instruction automatically; free time, length can arrange arbitrarily, played and saved energy, increases service life of equipment, reached effects efficient, energy-saving and environmental protection.
12, owing to adopting non-contact transistor microcomputerized control and electricity-liquid proportional overflowing and speed valve, the sectional pressure regulation in the time that stretching cylinder stretches of flanging cylinder pressure.
To sum up, the present invention can be applicable to rub accessory, fire-fighting equipment, aluminum products, ceramic or stainless steel products etc. of vapour to be needed by the industry stretching, mainly be applicable to the stretch forming of various sheet metals, as the deep drawn forming technology of the unlike materials such as aluminium sheet, copper coin, steel plate, corrosion resistant plate.Also can be used as punch press for blanking, trimming, have that volume is little, pressure-pad-force is large, stretching depth is dark, draw speed is fast, noise is little, efficiency is high, energy-saving and environmental protection and the feature such as the life-span is long, and can support the use with various robots, manipulator, can effectively control the forming quality of product, prevent pulling open and the disadvantage such as wrinkling of drawing process.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a numerical control efficient energy-conserving and environment-protective double-action drawing machine, comprise: be arranged on the stretching cylinder in frame, fast cylinder, flanging cylinder, column, beam slab, hydraulic system, energy-storage system, electrical control cabinet and main fuel tank, it is characterized in that, described beam slab comprises beam slab, flanging walking beam, flanging built-in beam, stretch beam and lower beam slab, described flanging cylinder is fixedly connected with described upper beam slab with described fast cylinder, described upper beam slab is fixedly connected with described column by upper beam column locking nut, described stretching cylinder is fixedly connected with described lower beam slab, described lower beam slab is fixedly connected with described column by underbeam column locking nut with described flanging built-in beam.
2. numerical control efficient energy-conserving and environment-protective double-action drawing machine according to claim 1, is characterized in that, the first rapid movement workpiece pressing of described flanging cylinder, and described stretching cylinder stretches again.
3. numerical control efficient energy-conserving and environment-protective double-action drawing machine according to claim 1, is characterized in that, the number of described fast cylinder is 2, and the number of described flanging cylinder is 2 or 4.
4. numerical control efficient energy-conserving and environment-protective double-action drawing machine according to claim 1, is characterized in that, described hydraulic system comprises the full plug-in mounting oil piping system and the electric-hydraulic proportion overflowing and speed valve that are arranged on main fuel tank.
5. numerical control efficient energy-conserving and environment-protective double-action drawing machine according to claim 1, is characterized in that, is provided with mesopore in the middle of described flanging built-in beam and described flanging walking beam.
6. numerical control efficient energy-conserving and environment-protective double-action drawing machine according to claim 1, it is characterized in that, also comprise motor pump drive system, described motor pump drive system is to described energy-storage system input high pressure liquid force feed, and described energy-storage system output high pressure liquid force feed is in described stretching cylinder.
7. a kind of numerical control efficient energy-conserving and environment-protective double-action drawing machine according to claim 1, is characterized in that, described electrical control cabinet adopts non-contact transistor micro computer to carry out electrical control.
8. a kind of numerical control efficient energy-conserving and environment-protective double-action drawing machine according to claim 1, is characterized in that, also comprises electronic ruler, the displacement of described electronic ruler for measuring described flanging walking beam and stretch beam.
9. numerical control efficient energy-conserving and environment-protective double-action drawing machine according to claim 1, is characterized in that, also comprises operating space protective device, and described operating space protective device adopts infrared ray galvanic reflex inductor.
10. the drawing process of numerical control efficient energy-conserving and environment-protective double-action drawing machine according to claim 1, is characterized in that, comprises the following steps:
(1) blank holder is fixed on the upper surface of flanging built-in beam, stretching die is fixed on the lower surface of flanging walking beam simultaneously, stretching convex die is fixed on the upper surface of stretch beam, make stretching convex die pass the mesopore of flanging built-in beam, make the top point of stretching convex die lower than 1mm place, blank holder upper surface;
(2) raw materials for production sheet is placed on blank holder, starts numerically controlled control system, system is transferred under manual mode, regulate the travel position of flanging walking beam and stretch beam, system is transferred under auto state;
(3) press start button, electricity-liquid proportional overflowing and speed valve and fast cylinder descend magnetic valve energising soon, motor pump drive system moves downward fast cylinder fast, microinching in the time approaching soon flanging built-in beam, when flanging die is encountered blank holder, fast cylinder descends magnetic valve power-off soon, the energising of flanging cylinder magnetic valve, has started to press workpiece pressing, in the time that pressure arrives setup pressure value, the power-off of flanging cylinder magnetic valve, flanging cylinder starts pressurize, stretching cylinder magnetic valve energising when the power-off of flanging cylinder, stretching cylinder moves upward fast, carries out Rapid stretching;
(4) in the time being stretched to set depth or subscribing pressure, the power-off of stretching cylinder rising magnetic valve, the energising of stretching cylinder decline magnetic valve, stretching cylinder moves downward fast, after stretching cylinder moves downward and puts in place, the power-off of stretching cylinder decline magnetic valve, the energising of fast cylinder backhaul magnetic valve, flanging walking beam moves upward fast, in the time that workpiece is encountered material returned bar, carry out the material returned, after motion puts in place, the power-off of fast cylinder backhaul magnetic valve, the motion of flanging walking beam stops;
(5) take off the workpiece stretching, put into raw materials for production sheet, complete an actuation cycle, repeat above action and produce.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410091238.XA CN103861926B (en) | 2014-03-12 | 2014-03-12 | A kind of numerical control double acting stretching-machine and drawing process |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410091238.XA CN103861926B (en) | 2014-03-12 | 2014-03-12 | A kind of numerical control double acting stretching-machine and drawing process |
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| CN103861926A true CN103861926A (en) | 2014-06-18 |
| CN103861926B CN103861926B (en) | 2016-06-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105964731A (en) * | 2016-05-16 | 2016-09-28 | 广东宏兴机械有限公司 | Gantry intelligent numerical control forward-reverse dual-purpose stretcher |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105964731A (en) * | 2016-05-16 | 2016-09-28 | 广东宏兴机械有限公司 | Gantry intelligent numerical control forward-reverse dual-purpose stretcher |
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