CN105033073A - Low-temperature lubricating supply device, high-speed stamping die with same and control method thereof - Google Patents
Low-temperature lubricating supply device, high-speed stamping die with same and control method thereof Download PDFInfo
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- CN105033073A CN105033073A CN201510478340.XA CN201510478340A CN105033073A CN 105033073 A CN105033073 A CN 105033073A CN 201510478340 A CN201510478340 A CN 201510478340A CN 105033073 A CN105033073 A CN 105033073A
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Abstract
The invention provides a low-temperature lubricating supply device, a high-speed stamping die with the same and a control method thereof. The low-temperature lubricating supply device comprises a gas supply part for conveying gas, an oil supply part for conveying lubricating oil and an oil-gas mixing part simultaneously communicated with the gas supply part and the oil supply part. The oil-gas mixing part is used for conveying an oil-gas mixed medium formed after the mixing of the gas and the lubricating oil. The gas supply part comprises a gas supply main pipeline. The gas supply part further comprises a vapor compression refrigeration device and a semiconductor refrigeration device which are partially arranged on the gas supply main pipeline and sequentially cool the gas supply main pipeline. According to the low-temperature lubricating supply device, by utilizing forced convection of low-temperature cold gas and phase-change heat exchange of the lubricating oil in the oil-gas mixed medium, heat generated in the working process of a stamping machining area and heat generated during part machining are taken away timely, and the abrasion to the high-speed stamping die is reduced through a lubricating film formed by the lubricating oil.
Description
Technical field
The invention belongs to technical field of mold, particularly relate to a kind of low-temperature lubrication feedway, the high-speed stamping die with it and control method thereof.
Background technology
High-speed stamping die is requisite technological equipment in modern punching production, the high speed and precision progressive stamping technology applying it is high efficiency, high-precision advanced manufacturing technology, represent development level and the developing direction of fine blanking technique, the high strain rate of existing high-speed stamping die when punching press will cause the strain hardening effect of workpiece to be machined and fall inductile a large amount of heat that simultaneously dissipates, so, the frictional heat produced can make the inside of high-speed stamping die produce high-temperature effect, and then cause workpiece to be machined and the temperature distortion of high-speed stamping die own, affect the precision of workpiece to be machined, make the Yin Gaowen of high-speed stamping die own and easily damage to scrap, have a strong impact on the service life of high-speed stamping die.
For this reason, for the high temperature problem existed in actual high speed stamping, propose various solution such as, publication No. is that the Chinese patent application of 102233385A discloses a kind of high-speed stamping die with cooling structure, it arranges cooling line in high-speed stamping die inside, the heat produced in punching course can be gone out from high-speed stamping die conducted inside in the mode of heat exchange by cooling fluid in cooling line in time, reduce the temperature of high-speed stamping die, but above-mentioned high-speed stamping die utilizes the working fluid in pipeline to lower the temperature to mould, it mainly reduces the bulk temperature of mould, can not to stamping-out cutting edge, punch sidewall, the parts such as mold insert frame mouth cool, and its cooling-down effect is not obvious, and the parts such as stamping-out cutting edge are cooled, current way is blown a cold wind over facing to mould, but also can only totally lowering the temperature to mould, local temperature is still higher.
In addition, in high speed and precision progressive stamping is produced, mould and machined material, punch and discharging mold insert, material frequently contact to produce with the counterdie edge of a knife and rub, each component wear is caused because blade clearance is less, not only have impact on the precision of high speed stamping, and shorten the service life of high-speed stamping die; In order to avoid the wearing and tearing between parts as far as possible, the performance of high-speed stamping die is had an impact, often need to carry out oiling to each parts of high-speed stamping die simultaneously, the implementation of existing equipment is such as: publication No. is the Chinese patent application of CN102233373, proposes a kind of high-speed stamping die with lubrication system; This mould inside is provided with at least one oil cavity, lubricating oil flow into position to be lubricated, to its oiling, but the lubrication system of this kind of mode is in the process of punching press, lubricating oil meeting splashes, cause severe contamination to mould and lathe, cleaning is inconvenient, but also brings very large puzzlement to operator, meanwhile, also initiatively forced lubrication cannot be carried out to parts.
Summary of the invention
The object of the present invention is to provide a kind of low-temperature lubrication feedway, the high-speed stamping die with it and control method thereof.
One of for achieving the above object, the invention provides a kind of low-temperature lubrication feedway, described low-temperature lubrication feedway comprises:
Gas supply part, for carrying gas; Fuel feeding portion, for carrying lubricating oil; The air-fuel mixture portion be simultaneously communicated with described gas supply part, fuel feeding portion, described air-fuel mixture portion is used for conveying by described gas and the mixed air-fuel mixture medium of described lubricating oil;
Described gas supply part comprises: air feed main line, and described air feed main line one end is the air inlet be communicated with external high pressure source of the gas, and one end is the gas outlet be communicated with described air-fuel mixture portion;
Described fuel feeding portion comprises: oil supply bar road, and one end, described oil supply bar road is the oil-in be communicated with outside oil sources, and one end is the oil-out be communicated with described air-fuel mixture portion;
Described air-fuel mixture portion comprises: oil gas main line, and described oil gas main line one end is the first oil gas entrance be simultaneously communicated with described gas outlet, described oil-out, and one end is the first oil gas vent;
Wherein, described gas supply part also comprises: part is arranged on described air feed main line, and the steam compressing refrigerating device successively described air feed main line cooled and semiconductor cooling device.
As a further improvement on the present invention, described steam compressing refrigerating device comprises:
Be arranged at the heat exchanger on described air feed main line, the water tank arranged with described heat exchanger in series, be communicated with the vibration means for main pipe for supplying water road of described heat exchanger and described water tank;
Described vibration means for main pipe for supplying water road comprises: from described water tank to the flow pipe of described heat exchanger conveying aqueous medium, and from described heat exchanger to the return pipe of described water tank conveying aqueous medium;
Described steam compressing refrigerating device also comprises: for the heat-exchanger rig cooled the aqueous medium in described water tank;
Described heat-exchanger rig comprises: be arranged at the evaporimeter in described water tank, the compressor, the condenser that arrange with described evaporator series successively.
As a further improvement on the present invention, described steam compressing refrigerating device also comprises: water pump, and described water pump is arranged on described flow pipe.
As a further improvement on the present invention, described semiconductor cooling device comprises: be arranged at the cooler on described air feed main line, and described cooler is arranged between described heat exchanger and described gas outlet;
Relatively described cooler is arranged, and for the multiple semiconductor thermoelectric modules cooled the described gas through subcooler, described semiconductor thermoelectric module is connected mutually;
And the radiator be arranged at outside described semiconductor thermoelectric module; Wherein, described radiator is also arranged in series on described return pipe.
As a further improvement on the present invention, described gas supply part also comprises:
Be arranged at the flowmeter on described air feed main line and Pressure gauge;
Described flowmeter and described Pressure gauge are all arranged between described semiconductor cooling device and described gas outlet;
Described flowmeter is arranged near described cooler, and described Pressure gauge is arranged near described gas outlet.
As a further improvement on the present invention, described gas supply part also comprises: be arranged at the stop valve on described air feed main line; Described stop valve is arranged between described air inlet and described steam compressing refrigerating device.
As a further improvement on the present invention, described gas supply part also comprises: be arranged at the filter on described air feed main line; Described filter is arranged between described air inlet and described steam compressing refrigerating device.
As a further improvement on the present invention, described gas supply part also comprises: be arranged at the drier on described air feed main line; Described drier is arranged between described air inlet and described steam compressing refrigerating device.
One of for achieving the above object, the invention provides a kind of high-speed stamping die, described high-speed stamping die comprises low-temperature lubrication feedway as above, and punching press main body; Described punching press main body comprises: punch process district, distribute the fairway be arranged in described punching press main body, described fairway comprises: many air flues be interconnected, described many air flues share same second oil gas entrance, every bar air flue has the second different oil gas vents, wherein, described second oil gas entrance is connected with described first oil gas vent of described low-temperature lubrication feedway simultaneously.
One of for achieving the above object, the invention provides a kind of control method of high-speed stamping die described above, described method comprises:
The temperature of punching press main body described in Real-Time Monitoring, judges that whether the temperature of described punching press main body is lower than systemic presupposition threshold value,
If so, the temperature of the described punching press main body of monitoring is continued;
If not, control described low-temperature lubrication feedway and flow out described air-fuel mixture medium to described second oil gas entrance from described first oil gas vent, meanwhile, control described air-fuel mixture medium from described second oil gas vent ejection.
Compared with prior art, the invention has the beneficial effects as follows: in low-temperature lubrication feedway of the present invention, the high-speed stamping die with it and control method thereof, low-temperature lubrication feedway can realize initiatively pressurization, and by gas supply part, the cooperatively interacting of fuel feeding portion and air-fuel mixture portion, export the air-fuel mixture medium of low temperature, the temperature of the high-speed stamping die of this low-temperature lubrication feedway is provided with by Real-Time Monitoring, ACTIVE CONTROL low-temperature lubrication feedway ejection air-fuel mixture medium, utilize the forced convertion of low-temperature cold wind gas in described air-fuel mixture medium and the phase-change heat-exchange of lubricating oil, the heat that the heat produce the described punch process district course of work and process component produce is taken away in time, utilize simultaneously described lubricating oil form the wearing and tearing that lubricating film reduces described high-speed stamping die, while guarantee punching precision and production efficiency, distortion and the damage of mould can be reduced, improve the service life of high-speed stamping die, and environmental protection, easy to operate.
Accompanying drawing explanation
Fig. 1 is an embodiment of the present invention, the structural representation of punching press main body in high-speed stamping die;
Fig. 2 is an embodiment of the present invention, the structural representation of low-temperature lubrication feedway in high-speed stamping die;
Fig. 3 is the schematic flow sheet of the control method of an embodiment of the present invention high speed diel;
Fig. 4 is the module diagram of the control system of an embodiment of the present invention high speed diel.
Detailed description of the invention
Describe the present invention below with reference to detailed description of the invention shown in the drawings.But these embodiments do not limit the present invention, the structure that those of ordinary skill in the art makes according to these embodiments, method or conversion functionally are all included in protection scope of the present invention.
Shown in composition graphs 1, Fig. 2, high-speed stamping die provided by the invention comprises: punching press main body 10, and low-temperature lubrication feedway 20.
Punching press main body 10 comprises: punch process district 11, and distribute the fairway 13 be arranged in described punching press main body.
Punch process district 11 comprises: upper bolster 111, die shoe 112, and the profiled sheeting group (not shown) be arranged between upper bolster 111, die shoe 112, described profiled sheeting group comprises from top to bottom successively: cooperatively interact the upper die plate 113, punch retainer 114, discharging backing plate 115, stripper 116, lower bolster 117 and the counterdie backing plate 118 that arrange; Wherein, upper die plate 113 is arranged near upper bolster 111, and counterdie backing plate 118 is arranged near die shoe 112; Described profiled sheeting group also comprises: be located at the forming terrace die 1141 on punch retainer 114, be arranged at the blanking punch 1151 on discharging backing plate 115, be arranged at the stripper mold insert 1161 on stripper 116, shaping mold insert 1163, and be arranged at the stamping-out edge of a knife 1171 on lower bolster 117, lower contour forming enter son 1173.
Fairway 13 comprises: many air flues be interconnected (not shown), described many air flues share same second oil gas entrance 131, every bar air flue has different the second oil gas vents (not shown), wherein, the second oil gas entrance 131 is shown in Fig. 2 with the first oil gas vent 51(of low-temperature lubrication feedway 20 simultaneously) be connected.
In the concrete example of the present invention one, the quantity of described air flue is 3, be respectively the first air flue 1331, second air flue 1332, and the 3rd air flue 1333, accordingly, the second oil gas vent that every bar air flue is corresponding different, for convenience of description and diagram, second oil gas vent of the first air flue 1331 is defined as the first air passage outlet (not shown), similar, second oil gas vent of the second air flue 1332 is defined as the second air passage outlet (not shown), the oil gas vent of the 3rd air flue gas 1333 is defined as the 3rd air passage outlet (not shown), wherein, described first air passage outlet is arranged on stripper 116, described second air passage outlet is arranged at discharging backing plate 115, between stripper 116, described 3rd air passage outlet is arranged on shaping mold insert 1163.Certainly, in other embodiments of the present invention, the quantity of corresponding second oil gas vent of corresponding air flue and its correspondence all can increase according to actual needs or reduce, and is not described in detail at this.
Low-temperature lubrication feedway 20 comprises: gas supply part 30, for carrying gas; Fuel feeding portion 40, for carrying lubricating oil; The air-fuel mixture portion 50 be simultaneously communicated with gas supply part 303, fuel feeding portion 40, air-fuel mixture portion 50 is for carrying by described gas and the mixed air-fuel mixture medium of described lubricating oil.
Gas supply part 30 comprises: air feed main line 31, air feed main line 31 one end is the air inlet 32 be communicated with external high pressure source of the gas, one end is the gas outlet (not shown) be communicated with air-fuel mixture portion 50, wherein, gas supply part 30 also comprises: part is arranged on air feed main line 31, and the steam compressing refrigerating device (not shown) successively air feed main line 31 cooled and semiconductor cooling device (not shown), in the concrete example of the present invention, the quantity of described steam compressing refrigerating device and described semiconductor cooling device and the not concrete restriction of the distance of distance air inlet 32, in order to the gas circulated to air feed main line 31 carries out multi-stage refrigerating, the quantity of described steam compressing refrigerating device and described semiconductor cooling device can be all multiple, in this concrete example, described steam compressing refrigerating device and described semiconductor cooling device quantity are 1, and the relatively described semiconductor cooling device of described steam compressing refrigerating device is arranged closer in air inlet 32, so that described semiconductor cooling device secondary utilizes the refrigeration resource of described steam compressing refrigerating device, will describe in following content.
In an embodiment of the present invention, air feed main line 31 is made up of insulation material.
In an embodiment of the present invention, described steam compressing refrigerating device comprises: be arranged at the heat exchanger 341 on air feed main line 31, the water tank 342 be arranged in series with heat exchanger 341, is communicated with the described vibration means for main pipe for supplying water road (not shown) of heat exchanger 341 and water tank 342; Described vibration means for main pipe for supplying water road comprises: the flow pipe 3431 carrying aqueous medium from water tank 342 heat exchanger 341, and the return pipe 3432 carrying aqueous medium from heat exchanger 341 to water tank 342; Described steam compressing refrigerating device also comprises: for the heat-exchanger rig (not shown) cooled the aqueous medium in water tank 342; Described heat-exchanger rig comprises: be arranged at the evaporimeter 3441 in water tank 342, the compressor 3442 be arranged in series with evaporimeter 3441 successively, condenser 3443.
In one embodiment, described steam compressing refrigerating device also comprises: water pump 345, and water pump 345 is arranged on flow pipe 3431, and described aqueous medium enters in heat exchanger 341 from water tank 342 along flow pipe 3431 under the effect of water pump 345.
In an embodiment of the present invention, described semiconductor cooling device comprises: be arranged at the cooler 351 on air feed main line 31, and cooler 351 is arranged between heat exchanger 341 and described gas outlet; Relative cooler 351 is arranged, and for the multiple semiconductor thermoelectric modules 352 cooled the described gas through subcooler 351, semiconductor thermoelectric module 352 is connected mutually; In the concrete example of the present invention, multiple semiconductor thermoelectric module 352 is evenly arranged in all sides of cooler 351, to freeze to by the gas uniform in the air feed main line 31 of cooler 351; Described semiconductor cooling device also comprises: be arranged at the radiator 353 outside semiconductor thermoelectric module 352; Wherein, radiator 353 is connected with rectifier power source 354, and is its power supply by rectifier power source 354; Radiator 353 is also arranged in series on return pipe 3432, and in return pipe 3432, the aqueous medium secondary of circulation synchronously dispels the heat to radiator 353; So that described semiconductor cooling device secondary utilizes the refrigeration resource of described steam compressing refrigerating device.
In an embodiment of the present invention, gas supply part 30 also comprises: be arranged at the stop valve 311 on air feed main line 31; Stop valve 311 is arranged between air inlet 32 and described steam compressing refrigerating device, stop valve 32 is transported to air feed main line 31 from external high pressure source of the gas by air inlet 32 for controlling gas, when stop valve 32 is opened, gas is transported to air feed main line 31 from external high pressure source of the gas is defeated by air inlet 32, when stop valve 32 is closed, gas stops being transported to air feed main line 31 from external high pressure source of the gas is defeated by air inlet 32.
In an embodiment of the present invention, gas supply part 30 also comprises: be arranged at the filter 312 on described air feed main line 31; Filter 312 is arranged between described air inlet 32 and described steam compressing refrigerating device; Filter 312, for the impurity in filtering gas, prevents impurity from circulating in air feed main line 31, effectively prevent high-speed stamping die each several part parts and gets rusty.
In an embodiment of the present invention, gas supply part 30 also comprises: be arranged at the drier 313 on described air feed main line 31; Drier 313 is arranged between described air inlet 32 and described steam compressing refrigerating device; Drier 313, for dry gas, prevents moisture from circulating in air feed main line 31, and then effectively prevents high-speed stamping die each several part parts from getting rusty.
In an embodiment of the present invention, gas supply part 30 also comprises: described semiconductor cooling device is arranged at flowmeter 314 on described air feed main line 31 and Pressure gauge 315; Flowmeter 314 and described Pressure gauge 315 are all arranged between described semiconductor cooling device and described gas outlet; Flowmeter 314 is arranged near described semiconductor cooling device, and Pressure gauge 315 is arranged near described gas outlet.
It should be noted that, above-mentioned stop valve 311, filter 312, drier 313, flowmeter 314 and Pressure gauge 314 can be arranged on air feed main line 31 simultaneously, also can be arranged at respectively on air feed main line 31, in the concrete example of the present invention, above-mentioned stop valve 311, filter 312, drier 313, flowmeter 314 and Pressure gauge 314 are arranged on described air feed main line 31 simultaneously, wherein, stop valve 311 is arranged near air inlet 32, drier 313 is arranged near described steam compressing refrigerating device, filter 312 is arranged between stop valve 311 drier 313, flowmeter 314 is arranged near described semiconductor cooling device, Pressure gauge 315 is arranged near gas outlet 32, certainly, in other embodiments of the present invention, the position of filter 312, drier 313 can exchange, and is not described in detail at this.
Fuel feeding portion 40 comprises: oil supply bar road 41, one end, oil supply bar road 41 is the oil-in (not shown) be communicated with outside oil sources, one end is the oil-out (not shown) be communicated with air-fuel mixture portion 50, wherein, the end of described oil-in is also provided with oil storage body 41, oil storage body 41 is for storing the lubricating oil carried by outside oil sources, and when needing input lubricating oil in oil supply bar road 41, described lubricating oil directly enters into oil supply bar road 41 from oil storage body 41 by described oil-in.
Air-fuel mixture portion 50 is nozzle arrangements, comprising: oil gas main line (not shown), and described oil gas main line one end is the described first oil gas entrance (not shown) be simultaneously communicated with described gas outlet, described oil-out, and one end is the first oil gas vent 51; Wherein, the first oil gas vent 51 is connected with the second oil gas entrance 131 of fairway 13; In the concrete example of the present invention one, air-fuel mixture portion 50 is hollow cone platform structure, and the bottom of the described frustum of a cone is described first oil gas entrance, and top is the first oil gas vent 51.
In an embodiment of the present invention, described high-speed stamping die also comprises: described temperature sensor (not shown), central controller (not shown), and described temperature sensor is arranged in described punching press main body 10, for monitoring the temperature of punching press main body 10, described temperature sensor comprises: be arranged at the first sensor 61 between punch retainer 114 and discharging backing plate 115, is arranged at the second sensor 62 between lower bolster 117 and counterdie backing plate 118, the variations in temperature that central controller (not shown) is monitored for receiving described temperature sensor, and carry oil gas blending agent according to its temperature variations control low-temperature lubrication feedway 20, and then spray air-fuel mixture medium by fairway 13 to punch process district 11, utilize the forced convertion of low-temperature cold wind gas and the phase-change heat-exchange of lubricating oil in described air-fuel mixture medium, the heat that the heat produce punch process district 11 course of work and process component produce is taken away in time, utilize simultaneously described lubricating oil form the wearing and tearing that lubricating film reduces described high-speed stamping die.
Shown in composition graphs 3, in an embodiment of the present invention, have the control method of the high-speed stamping die of said structure, described high-speed stamping die control method comprises:
The temperature of punching press main body described in Real-Time Monitoring, judges that whether the temperature of the described punching press main body got is lower than systemic presupposition threshold value, if so, continues the temperature of the described punching press main body of monitoring; If not, control described low-temperature lubrication feedway and flow out described air-fuel mixture medium to described second oil gas entrance from described first oil gas vent, meanwhile, control described air-fuel mixture medium from described second oil gas vent ejection, and then maintain the operating temperature of described high-speed stamping die.
Described systemic presupposition threshold value is a Temperature numerical, and in the concrete example of the present invention one, the span of described systemic presupposition threshold value is: 18 DEG C to 25 DEG C.
In order to understand technical scheme of the present invention in more detail, following content will introduce the detailed operation flow process of high-speed stamping die in detail.
Central processing unit (not shown) controls the temperature that punching press main body 10 monitored by first sensor 61, second sensor 62 simultaneously, when the temperature that first sensor 61 and/or the second sensor 62 are monitored is higher than systemic presupposition threshold value, described central processing unit controls low-temperature lubrication feedway 20 and starts.
Low-temperature lubrication feedway 20 is carried in oil gas blending agent process, comprises the following steps:
S1, control stop valve 311 are opened, and the gas of external high pressure source of the gas conveying is input to air feed main line 31 through air inlet 32;
S2, described gas pass through filter 312, to remove the impurity that it carries;
S3, described gas pass through drier 313, to carry out drying to described gas;
S4, described gas, by heat exchanger 341, carry out first time cooling to described gas;
Specifically comprise: evaporimeter 3441, aqueous medium in the compressor 3442 be arranged in series with evaporimeter 3441 successively, condenser 3443 pairs of water tanks 342 cools, through overcooled aqueous medium under the effect of water pump 345, heat exchanger 341 is arrived through flow pipe 3431, and by heat exchanger 341, first time cooling is carried out to described gas, afterwards, the aqueous medium that temperature raises again is got back in water tank 342 through return pipe 3432 and is cooled, circulation like this, to carry out first time refrigeration to described gas.
S5, described gas, by cooler 351, carry out second time cooling to described gas;
Specifically comprise: when gas is by cooler 351, cooler 351 carries out second time cooling to described gas, in this example, cooler 351 is by arranging that the semiconductor thermoelectric module 352 of its week side carries out heat exchange, in the preferred embodiment for the present invention, radiator 353 further dispels the heat to semiconductor heat-dissipating heap 42, and radiator 353 is series on return pipe 3432 simultaneously, in return pipe 3432, the cooling water of circulation can dispel the heat to radiator 353 by secondary, so, two-stage radiation device is combined, namely the cooling effect to described gas is improved, simultaneously, its resource of Appropriate application.
In above-mentioned steps, the conveying total amount of central controller also control flow check gauge 314 pairs of gases is monitored, the pressure of controlled pressure table 315 pair air feed main line 31 is monitored, better to control the operation of low-temperature lubrication feedway 20, is not described in detail at this.
Carry out in process in above-mentioned steps, central controller also controls oil storage body 41 to described oil-in conveying lubricating oil, and then lubricating oil is input to air-fuel mixture portion 50 by described first oil gas entrance.
S6, described gas and described lubricating oil mix at described oil gas main line, described lubricating oil atomization is made to form Cryogenic two-phase flows, when mixed air-fuel mixture medium is input in fairway 13 through described first oil gas vent, and when being ejected into punch process district 11 by multiple second oil gas vent, there is higher speed and larger kinetic energy, utilize the forced convertion of low-temperature cold wind gas and the phase-change heat-exchange of lubricating oil in described air-fuel mixture medium, low-temperature cold wind is made to penetrate into punch process district 11 contact interface with the elaioleucite that micro lubricating oil is atomized into, heat in high-speed stamping die punching course can be walked by effetive zone while playing lubricant effect, simultaneously, utilize described lubricating oil form the wearing and tearing that lubricating film reduces described high-speed stamping die.
S7, when the temperature again monitoring described punching press main body is lower than systemic presupposition threshold value, controls stop valve 311 and close.
Shown in composition graphs 4, in an embodiment of the present invention, the control system of high-speed stamping die comprises: data acquisition module 100, processing module 200.
Data acquisition module 100 is for the temperature of punching press main body described in Real-Time Monitoring, and processing module 200, for judging that whether the temperature of the described punching press main body got is lower than systemic presupposition threshold value, if so, continues the temperature of the described punching press main body of monitoring; If not, control described low-temperature lubrication feedway and flow out described air-fuel mixture medium to described second oil gas entrance from described first oil gas vent, meanwhile, control described air-fuel mixture medium from described second oil gas vent ejection, and then maintain the operating temperature of described high-speed stamping die.
Those skilled in the art can be well understood to, and for convenience and simplicity of description, the specific works process of the system of foregoing description, with reference to the corresponding process in preceding method embodiment, can not repeat them here.
In sum, in low-temperature lubrication feedway of the present invention, the high-speed stamping die with it and control method thereof, low-temperature lubrication feedway can realize initiatively pressurization, and by gas supply part, the cooperatively interacting of fuel feeding portion and air-fuel mixture portion, exports the air-fuel mixture medium of low temperature, the temperature of the high-speed stamping die of this low-temperature lubrication feedway is provided with by Real-Time Monitoring, ACTIVE CONTROL low-temperature lubrication feedway ejection air-fuel mixture medium, utilize the forced convertion of low-temperature cold wind gas in described air-fuel mixture medium and the phase-change heat-exchange of lubricating oil, the heat that the heat produce the described punch process district course of work and process component produce is taken away in time, utilize simultaneously described lubricating oil form the wearing and tearing that lubricating film reduces described high-speed stamping die, while guarantee punching precision and production efficiency, distortion and the damage of mould can be reduced, improve the service life of high-speed stamping die, and environmental protection, easy to operate.
Be to be understood that, although this description is described according to embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of description is only for clarity sake, those skilled in the art should by description integrally, technical scheme in each embodiment also through appropriately combined, can form other embodiments that it will be appreciated by those skilled in the art that.
A series of detailed description listed is above only illustrating for feasibility embodiment of the present invention; they are also not used to limit the scope of the invention, all do not depart from the skill of the present invention equivalent implementations done of spirit or change all should be included within protection scope of the present invention.
Claims (10)
1. a low-temperature lubrication feedway, is characterized in that, described low-temperature lubrication feedway comprises:
Gas supply part, for carrying gas; Fuel feeding portion, for carrying lubricating oil; The air-fuel mixture portion be simultaneously communicated with described gas supply part, fuel feeding portion, described air-fuel mixture portion is used for conveying by described gas and the mixed air-fuel mixture medium of described lubricating oil;
Described gas supply part comprises: air feed main line, and described air feed main line one end is the air inlet be communicated with external high pressure source of the gas, and one end is the gas outlet be communicated with described air-fuel mixture portion;
Described fuel feeding portion comprises: oil supply bar road, and one end, described oil supply bar road is the oil-in be communicated with outside oil sources, and one end is the oil-out be communicated with described air-fuel mixture portion;
Described air-fuel mixture portion comprises: oil gas main line, and described oil gas main line one end is the first oil gas entrance be simultaneously communicated with described gas outlet, described oil-out, and one end is the first oil gas vent;
Wherein, described gas supply part also comprises: part is arranged on described air feed main line, and the steam compressing refrigerating device successively described air feed main line cooled and semiconductor cooling device.
2. low-temperature lubrication feedway according to claim 1, is characterized in that, described steam compressing refrigerating device comprises:
Be arranged at the heat exchanger on described air feed main line, the water tank arranged with described heat exchanger in series, be communicated with the vibration means for main pipe for supplying water road of described heat exchanger and described water tank;
Described vibration means for main pipe for supplying water road comprises: from described water tank to the flow pipe of described heat exchanger conveying aqueous medium, and from described heat exchanger to the return pipe of described water tank conveying aqueous medium;
Described steam compressing refrigerating device also comprises: for the heat-exchanger rig cooled the aqueous medium in described water tank;
Described heat-exchanger rig comprises: be arranged at the evaporimeter in described water tank, the compressor, the condenser that arrange with described evaporator series successively.
3. low-temperature lubrication feedway according to claim 2, is characterized in that, described steam compressing refrigerating device also comprises: water pump, and described water pump is arranged on described flow pipe.
4. low-temperature lubrication feedway according to claim 2, is characterized in that, described semiconductor cooling device comprises: be arranged at the cooler on described air feed main line, and described cooler is arranged between described heat exchanger and described gas outlet;
Relatively described cooler is arranged, and for the multiple semiconductor thermoelectric modules cooled the described gas through subcooler, described semiconductor thermoelectric module is connected mutually;
And the radiator be arranged at outside described semiconductor thermoelectric module; Wherein, described radiator is also arranged in series on described return pipe.
5. low-temperature lubrication feedway according to claim 1, is characterized in that, described gas supply part also comprises:
Be arranged at the flowmeter on described air feed main line and Pressure gauge;
Described flowmeter and described Pressure gauge are all arranged between described semiconductor cooling device and described gas outlet;
Described flowmeter is arranged near described cooler, and described Pressure gauge is arranged near described gas outlet.
6. low-temperature lubrication feedway according to claim 1, is characterized in that, described gas supply part also comprises: be arranged at the stop valve on described air feed main line; Described stop valve is arranged between described air inlet and described steam compressing refrigerating device.
7. low-temperature lubrication feedway according to claim 1, is characterized in that, described gas supply part also comprises: be arranged at the filter on described air feed main line; Described filter is arranged between described air inlet and described steam compressing refrigerating device.
8. low-temperature lubrication feedway according to claim 1, is characterized in that, described gas supply part also comprises: be arranged at the drier on described air feed main line; Described drier is arranged between described air inlet and described steam compressing refrigerating device.
9. a high-speed stamping die, is characterized in that, described high-speed stamping die comprises: the low-temperature lubrication feedway as described in any one of claim 1-8, and punching press main body;
Described punching press main body comprises: punch process district, distribute the fairway be arranged in described punching press main body, described fairway comprises: many air flues be interconnected, described many air flues share same second oil gas entrance, every bar air flue has the second different oil gas vents, wherein, described second oil gas entrance is connected with described first oil gas vent of described low-temperature lubrication feedway simultaneously.
10. a control method for high-speed stamping die as claimed in claim 9, is characterized in that, described method comprises:
The temperature of punching press main body described in Real-Time Monitoring, judges that whether the temperature of described punching press main body is lower than systemic presupposition threshold value,
If so, the temperature of the described punching press main body of monitoring is continued;
If not, control described low-temperature lubrication feedway and flow out described air-fuel mixture medium to described second oil gas entrance from described first oil gas vent, meanwhile, control described air-fuel mixture medium from described second oil gas vent ejection.
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