CN204248070U - A kind of double pump plate shearing machine system - Google Patents
A kind of double pump plate shearing machine system Download PDFInfo
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- CN204248070U CN204248070U CN201420796674.2U CN201420796674U CN204248070U CN 204248070 U CN204248070 U CN 204248070U CN 201420796674 U CN201420796674 U CN 201420796674U CN 204248070 U CN204248070 U CN 204248070U
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Abstract
The utility model discloses a kind of double pump plate shearing machine system, belong to plate shearing machine apparatus field.A kind of double pump plate shearing machine system, comprise knife rest, Oil pump electrical machinery, main oil pump, fuel tank, master cylinder, auxiliary oil cylinder, binder oil cylinder and pressure switch, also comprise binder oil pump, main overflow valve, binder overflow valve, combined type three position four-way directional control valve, two-position four way change valve I, two-position four way change valve II, three position four-way directional control valve, one way sequence valve and Solenoid ball valve, fuel tank connects main oil pump and binder oil pump, described Oil pump electrical machinery connects main oil pump and binder oil pump, described main oil pump connects main overflow valve and three position four-way directional control valve, described three position four-way directional control valve exports one end and one way sequence valve one end, Solenoid ball valve is connected with master cylinder epicoele, three position four-way directional control valve exports the other end and is connected with the one way sequence valve other end.It has the advantage that plate shearing machine pressure-plate-force is large, shearing linearity is good, security is good.
Description
Technical field
The utility model relates to plate shearing machine apparatus field, more particularly, relates to a kind of double pump plate shearing machine system.
Background technology
Hydraulic plate shears is a kind of hydraulically powered shearing equipment, is usually used in the sheet materials such as shearing steel plate.Its basic structure is that bottom knife is fixedly mounted in frame, and cutter is arranged on the upper cutter head that moves up and down, and upper cutter head is driven by oil cylinder, provides shearing force, processes the sheet material of required shearing.Prior art has single cylinder and twin-tub two type plate shearing machine, playing the leading role in plate shearing machine due to cutter has certain angle to arrange relative to bottom knife usually, when making to shear, upper cutter head has the shearing counter-force of cylinder thrust and shearing point not point-blank, namely about when shearing, upper cutter head receives a larger torque, upper slitter can deflect, thus the angle of shear changes, cause that equipment runs steadily, shearing quality is low.
The plate shearing machine adopting two hydraulic oil cylinder driving now more, the stressed unbalanced situation of upper cutter head can be improved, but when shearing two shear oil cylinders must be synchronous, could solve the problem of upper cutter head easy motion, particularly the hydraulic plate shears that changes greatly of shearing thickness of slab or shearing thickness.Unresolved above problem, plate shearing machine adopts the method for mechanical synchronization, but the membership that adds of mechanical synchronizer makes plate shearing machine structure more complicated, because the increase and material consumption etc. of processing capacity and manufacture difficulty all can make plate shearing machine cost significantly improve, particularly sheared length requires larger plate shearing machine, and problem is more outstanding.
Chinese utility model patent, application number is on May 16th, 2013, and the day for announcing is on February 12nd, 2014, discloses a kind of hydraulic system of cutting machine.The utility model relates to and comprises fuel tank, oil-suction oil filter, oil pump, check valve, overflow valve, pressure-reducing valve, 2/2-way magnetic valve, shearing oil cylinder, synchronous fuel tank, throttle grverning valve, hydraulic control one-way valve, three position four-way electromagnetic valve, return oil filter.Its upper cutter head of plate shearing machine that the utility model effectively can solve two hydraulic oil cylinder driving runs jiggly problem; Stability and the reliability of plate shearing machine can be improved, plate shearing machine frame for movement can be made more to simplify; Effectively can reduce difficulty of processing and the manufacturing cost of plate shearing machine.But this utility model, the use oil pump that remains unchanged carries out oil cylinder and controls, when controlling, binder cylinder and shear cylinder action being put together adopts sequence valve to control the priority of binder and shearing, pressure-plate-force changes with the change of thickness of slab, if shearing force is very little when shearing thin plate, pressure-plate-force is just not enough, the linearity that impact is sheared, if cut that the softer plate pressure-plate-force of material is very not large but shearing force wants large, pressure-plate-force can not regulate and plate surface can be caused to have damage.Can decompression sheet material can be caused to move if multi-sheets is placed on not coordination shearing at middle idle running position pressure cylinder, easily cause security incident.
Summary of the invention
1. the technical problem that will solve
Not enough for the pressure-plate-force that exists in prior art, shear that linearity is poor, the problem of surperficial fragile, the poor stability of shear plate, the invention provides a kind of double pump plate shearing machine system, it has the advantage that plate shearing machine pressure-plate-force is large, shearing linearity is good, security is good.
2. technical scheme
This object is achieved through the following technical solutions.
A kind of double pump plate shearing machine system, comprise knife rest, Oil pump electrical machinery, main oil pump, fuel tank, master cylinder, auxiliary oil cylinder, binder oil cylinder and pressure switch, also comprise binder oil pump, main overflow valve, binder overflow valve, combined type three position four-way directional control valve, two-position four way change valve I, two-position four way change valve II, three position four-way directional control valve, one way sequence valve and Solenoid ball valve, wherein, described, fuel tank connects main oil pump and binder oil pump, described Oil pump electrical machinery connects main oil pump and binder oil pump, described main oil pump connects main overflow valve and three position four-way directional control valve, described three position four-way directional control valve exports one end and one way sequence valve one end, Solenoid ball valve is connected with master cylinder epicoele, three position four-way directional control valve exports the other end and is connected with the one way sequence valve other end, described binder oil pump connects binder overflow valve, combined type three position four-way directional control valve, two-position four way change valve I and two-position four way change valve II, described combined type three position four-way directional control valve exports one end and is connected with auxiliary oil cylinder epicoele and master cylinder cavity of resorption, combined type three position four-way directional control valve exports the other end and is connected with one way sequence valve one end with auxiliary oil cylinder cavity of resorption, and described two-position four way change valve II other end is connected with binder oil cylinder and pressure switch.
Further, described combined type three position four-way directional control valve comprises a three position four-way directional control valve, two check valves and two bidirectional throttling valves, wherein three position four-way directional control valve two exports and all connects two check valves simultaneously, two check valves each connection bidirectional throttling valve respectively, two bidirectional throttling valves are connected with outside respectively.
Further, described two-position four way change valve II is connected with binder oil cylinder and pressure switch by an one-way throttle valve.
Further, described binder oil pump is less than main oil pump volume, and pressure is little.
Further, the three position four-way directional control valve in described main overflow valve, binder overflow valve, combined type three position four-way directional control valve, two-position four way change valve I, two-position four way change valve II, three position four-way directional control valve, Solenoid ball valve are all magnetic valve.
3. beneficial effect
Compared to prior art, the utility model has the advantage of:
(1) when changing traditional single pump single system shearing thin plate, the shear precision error caused because pressure-plate-force is not enough, machining accuracy promotes more than 50%;
(2) shear thin plate relative to original single pump single system or dual system and can bring up to ten to five 13 percent in shearing linearity, when processing, operation is simpler, and machining accuracy improves;
(3) keeping pressure-plate-force constant when carrying out the operation of many people polylith, can ensure that workpiece is not shifted, easy making process and security is good.
(4) duplex pump controls binder cylinder respectively and shears oil cylinder, hydraulic pressure backhaul, pressure-plate-force keeps invariable, and pressure-plate-force can regulate, sent after signal realizes first binder to main oil pump by pressure switch after pressure-plate-force arrives setting requirement and shear, be more prone to control for different plate, process simplifies.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Number in the figure illustrates:
1, Oil pump electrical machinery; 2, main oil pump; 3, fuel tank, 4, binder oil pump; 5, main overflow valve; 6, binder overflow valve; 7, combined type three position four-way directional control valve; 8, two-position four way change valve I; 9, two-position four way change valve II; 10, three position four-way directional control valve; 11, one way sequence valve; 12, Solenoid ball valve; 13, master cylinder; 14, knife rest; 15, auxiliary oil cylinder; 16, binder oil cylinder; 17, pressure switch;
Detailed description of the invention
Below in conjunction with Figure of description and specific embodiment, the utility model is described in detail.
Embodiment 1
Composition graphs 1, a kind of double pump plate shearing machine system, comprise knife rest 14, Oil pump electrical machinery 1, main oil pump 2, fuel tank 3, master cylinder 13, auxiliary oil cylinder 15, binder oil cylinder 16 and pressure switch 17, also comprise binder oil pump 4, main overflow valve 5, binder overflow valve 6, combined type three position four-way directional control valve 7, two-position four way change valve I 8, two-position four way change valve II 9, three position four-way directional control valve 10, one way sequence valve 11 and Solenoid ball valve 12, wherein, described fuel tank 3 connects main oil pump 2 and binder oil pump 4, described Oil pump electrical machinery 1 connects main oil pump 2 and binder oil pump 4, described main oil pump 2 connects main overflow valve 5 and three position four-way directional control valve 10, described three position four-way directional control valve 10 exports one end and one way sequence valve 11 one end, Solenoid ball valve 12 is connected with master cylinder 13 epicoele, three position four-way directional control valve 10 exports the other end and is connected with one way sequence valve 11 other end, described binder oil pump 4 connects binder overflow valve 6, combined type three position four-way directional control valve 7, two-position four way change valve I 8 and two-position four way change valve II 9.
Described combined type three position four-way directional control valve 7 comprises a three position four-way directional control valve, two check valves and two bidirectional throttling valves, wherein three position four-way directional control valve two exports and all connects two check valves simultaneously, two check valve other ends each connection bidirectional throttling valve respectively, two bidirectional throttling valves are connected with outside respectively.A bidirectional throttling valve is connected with auxiliary oil cylinder 15 epicoele and master cylinder 13 cavity of resorption as output one end, another bidirectional throttling valve exports the other end and is connected with one way sequence valve 11 one end with auxiliary oil cylinder 15 cavity of resorption, and described two-position four way change valve II 9 other end is connected with binder oil cylinder 16 and pressure switch 17 by an one-way throttle valve.Described binder oil pump 4 is less than main oil pump 2 volume, and pressure is little.It is 22-24MPa that the corresponding main overflow valve 5 of main overflow valve 5 adjusts pressure, and it is 8-9MPa that the corresponding binder overflow valve 6 of binder oil pump 4 adjusts pressure.
Three position four-way directional control valve in described main overflow valve 5, binder overflow valve 6, combined type three position four-way directional control valve 7, two-position four way change valve I 8, two-position four way change valve II 9, three position four-way directional control valve 10, Solenoid ball valve 12 are all magnetic valve.Wherein three position four-way directional control valve 10 has A, B electromagnetic switch, for M type magnetic valve, two-position four way change valve II 9 has C electromagnetic switch, for C type magnetic valve, two-position four way change valve I 8 has D electromagnetic switch, is H type magnetic valve, three position four-way directional control valve in combined type three position four-way directional control valve 7 has E, F electromagnetic switch, for P type magnetic valve, Solenoid ball valve 12 has B1 electromagnetic switch, and electromagnetic switch is all connected with external control system.
Hydraulic system of cutting machine working method is as follows: in lock formula plate shearing machine, require that the angle of shear is adjustable, shear after requiring first binder.Native system adopts double pump to control, after Oil pump electrical machinery 1 starts, oil content is not by main overflow valve 5 and binder overflow valve 6 draining, when the downward action of plate shearing machine, the C electromagnetic switch of two-position four way change valve II 9, the D electromagnetic switch of two-position four way change valve I 8 carries out action adhesive, pressure oil is through binder oil pump 4, binder oil cylinder 16 is entered to two-position four way change valve II 9, after pressure has arrived pressure switch 17 setting value, electromagnetic valve switch B, B1, C, D carries out action, pressure oil enters binder oil cylinder 16 by binder oil pump 4 respectively and main oil pump 2 enters master cylinder 13 through three position four-way directional control valve 10, .Auxiliary oil cylinder 15 cavity of resorption oil completes shear action through one way sequence valve 11, three position four-way directional control valve 10 oil return box.During backhaul, electromagnetic valve switch A carries out action, and the oil of main oil pump 2 enters auxiliary oil cylinder 15 cavity of resorption, three position four-way directional control valve 10, Solenoid ball valve 12 tool rest return stroke.When adjusting the angle of shear, only needing to use binder oil pump 4 to carry out work, namely can complete the adjustment angle of shear, convenient and swift.
Below be schematically described the invention and embodiment thereof, this description does not have restricted, and one of embodiment of the also just the invention shown in accompanying drawing, actual structure is not limited thereto.So, if those of ordinary skill in the art enlightens by it, when not departing from this creation aim, designing the frame mode similar to this technical scheme and embodiment without creationary, the protection domain of this patent all should be belonged to.
Claims (5)
1. a double pump plate shearing machine system, comprises knife rest (14), Oil pump electrical machinery (1), main oil pump (2), fuel tank (3), master cylinder (13), auxiliary oil cylinder (15), binder oil cylinder (16) and pressure switch (17), is characterized in that: also comprise binder oil pump (4), main overflow valve (5), binder overflow valve (6), combined type three position four-way directional control valve (7), two-position four way change valve I (8), two-position four way change valve II (9), three position four-way directional control valve (10), one way sequence valve (11) and Solenoid ball valve (12), wherein, described fuel tank (3) connects main oil pump (2) and binder oil pump (4), described Oil pump electrical machinery (1) connects main oil pump (2) and binder oil pump (4), described main oil pump (2) connects main overflow valve (5) and three position four-way directional control valve (10), and described three position four-way directional control valve (10) exports one end and one way sequence valve (11) one end, Solenoid ball valve (12) is connected with master cylinder (13) epicoele, and three position four-way directional control valve (10) exports the other end and is connected with one way sequence valve (11) other end, described binder oil pump (4) connects binder overflow valve (6), combined type three position four-way directional control valve (7), two-position four way change valve I (8) and two-position four way change valve II (9), described combined type three position four-way directional control valve (7) exports one end and is connected with auxiliary oil cylinder (15) epicoele and master cylinder (13) cavity of resorption, combined type three position four-way directional control valve (7) exports the other end and is connected with one way sequence valve (11) one end with auxiliary oil cylinder (15) cavity of resorption, described two-position four way change valve II (9) other end is connected with binder oil cylinder (16) and pressure switch (17).
2. a kind of double pump plate shearing machine system according to claim 1, it is characterized in that: described combined type three position four-way directional control valve (7) comprises a three position four-way directional control valve, two check valves and two bidirectional throttling valves, wherein three position four-way directional control valve two exports and all connects two check valves simultaneously, two check valve other ends each connection bidirectional throttling valve respectively, two bidirectional throttling valves are connected with outside respectively.
3. a kind of double pump plate shearing machine system according to claim 1 and 2, is characterized in that: described two-position four way change valve II (9) is connected with binder oil cylinder (16) and pressure switch (17) by an one-way throttle valve.
4. a kind of double pump plate shearing machine system according to claim 1, is characterized in that: described binder oil pump (4) is less than main oil pump (2) volume, and pressure is little.
5. a kind of double pump plate shearing machine system according to claim 3, is characterized in that: the three position four-way directional control valve in described main overflow valve (5), binder overflow valve (6), combined type three position four-way directional control valve (7), two-position four way change valve I (8), two-position four way change valve II (9), three position four-way directional control valve (10), Solenoid ball valve (12) are all magnetic valve.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420796674.2U CN204248070U (en) | 2014-12-15 | 2014-12-15 | A kind of double pump plate shearing machine system |
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| CN201420796674.2U CN204248070U (en) | 2014-12-15 | 2014-12-15 | A kind of double pump plate shearing machine system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104942918A (en) * | 2015-06-30 | 2015-09-30 | 湖州南浔双林振森实木加工厂 | Full-automatic hot-pressing equipment for wood floor |
| CN105499684A (en) * | 2016-02-03 | 2016-04-20 | 江苏龙胜机床制造有限公司 | Hydraulic system of plate shearing machine |
| CN105537664A (en) * | 2016-02-03 | 2016-05-04 | 江苏龙胜机床制造有限公司 | Hydraulic system of plate shearing machine |
| CN105598522A (en) * | 2016-01-28 | 2016-05-25 | 马鞍山市中亚机床制造有限公司 | Double-pump plate shearing machine and control method thereof |
| CN109538550A (en) * | 2018-12-27 | 2019-03-29 | 江苏华宏科技股份有限公司 | The energy-efficient quick steel scrap of one kind cuts hydraulic circuit system |
-
2014
- 2014-12-15 CN CN201420796674.2U patent/CN204248070U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104942918A (en) * | 2015-06-30 | 2015-09-30 | 湖州南浔双林振森实木加工厂 | Full-automatic hot-pressing equipment for wood floor |
| CN105598522A (en) * | 2016-01-28 | 2016-05-25 | 马鞍山市中亚机床制造有限公司 | Double-pump plate shearing machine and control method thereof |
| CN105598522B (en) * | 2016-01-28 | 2018-08-03 | 马鞍山市中亚机床制造有限公司 | A kind of double pump plate shearing machine and its control method |
| CN105499684A (en) * | 2016-02-03 | 2016-04-20 | 江苏龙胜机床制造有限公司 | Hydraulic system of plate shearing machine |
| CN105537664A (en) * | 2016-02-03 | 2016-05-04 | 江苏龙胜机床制造有限公司 | Hydraulic system of plate shearing machine |
| CN109538550A (en) * | 2018-12-27 | 2019-03-29 | 江苏华宏科技股份有限公司 | The energy-efficient quick steel scrap of one kind cuts hydraulic circuit system |
| CN109538550B (en) * | 2018-12-27 | 2023-10-20 | 江苏华宏科技股份有限公司 | Energy-saving hydraulic circuit system for rapid scrap steel shears |
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