CN201587962U - Metal heat treatment controllable retarded cooling device and intelligent on-line monitoring system - Google Patents
Metal heat treatment controllable retarded cooling device and intelligent on-line monitoring system Download PDFInfo
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- CN201587962U CN201587962U CN2009202626974U CN200920262697U CN201587962U CN 201587962 U CN201587962 U CN 201587962U CN 2009202626974 U CN2009202626974 U CN 2009202626974U CN 200920262697 U CN200920262697 U CN 200920262697U CN 201587962 U CN201587962 U CN 201587962U
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- heater
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Abstract
The utility model relates to a metal heat treatment controllable retarded cooling device and an intelligent on-line monitoring system, and is characterized in that a furnace body (1) and a blower fan (2) are included, wherein elevating platforms (6), a heat exchanger (5) and a temperature detector (8) are arranged in the furnace body (1); a workpiece access hole(10) is formed on the upper side wall of the furnace body (1); the blower fan is positioned outside the furnace body (1) with an air outlet (41) communicated with the inner chamber of the furnace body (1) and with an return air inlet communicated with an air outlet (51) of the heat exchanger; one-way air ducts are formed among the inner chamber of the furnace body (1), the air outlet (41) of the blower fan and the air inlet of the heat exchanger (5), and the elevating platforms (6) are positioned in the one-way air ducts; and the blower fan (4), the heat exchanger (5) and the elevating plateforms (6) are respectively provided with control input signal terminals. The utility model can guarantee that the oxidization decarbonization can not occur during retarded cooling of carburization workpieces, and can realize automatic production of controllable atmosphere carburization.
Description
Technical field
The utility model relates to a kind of metal heat-treatment controllable slow-cooling device and intelligent on-line monitoring system, but is applicable to after the carburizing of charging at the bottom of the online accurately control multifunctional controlled cooling system under the non-oxidation decarburization situation.Belong to the metal heat treatmet equipment technical field.
Background technology
The carburizing and quenching tempering is metal surface enhanced main heat-treatment technology method.Carburizing increases metal works upper layer carbon content, by Q-tempering subsequently, the hardness on metal works surface is improved greatly, increases wear resistance and work-ing life; Good intensity and plasticity, the toughness of heart portion acquisition of workpiece is cooperated, satisfy workpiece and keep good strength and toughness reguirements, so Q-tempering technology is most important to the carburizing part structure property after the carburizing.
Carburizing postheat treatment technology has following seven kinds: the machining high tempering machining low-temperaturetempering of quenching again after heating quenching low-temperaturetempering, the slow cooling again after direct quenching low-temperaturetempering, the slow cooling after direct quenching low-temperaturetempering, the precooling, machining secondary quenching low-temperaturetempering, secondary quenching deepfreeze low-temperaturetempering, induction quenching low-temperaturetempering again after the slow cooling.Not high for technical requirements, be out of shape and part that the load that withstands shocks is little, generally adopt direct quenching low-temperaturetempering technology after direct quenching low-temperaturetempering or the precooling.And, needing machined piece mostly after carburizing, to need slow cooling after Cr-Ni steel alloy carburizing part and the carburizing for the technical requirements height, the low-temperaturetempering of quenching is again handled.Therefore, annealing device is the indispensable working condition of production and the equipment of requirement high-performance, high quality carburizing part.
The slow cooling equipment of prior art is that easy structure formula burial pit or slow cooling tube are set mostly, and this easy structure formula burial pit or slow cooling tube easily produce oxidation and decarbonization in the carburizing part annealing process.Produce oxidation and decarbonization when preventing the carburizing part slow cooling, general producer is the waste oil cotton yarn of placing burning in burial pit or slow cooling tube, constitutes the slow cooling structure by described waste oil cotton yarn.Have following shortcoming: the material heat insulation effect that constitutes described slow cooling structure is bad, so the slow cooling poor effect of slow cooling structure, has a strong impact on thermal treatment quality.(2) easy contaminate environment, the energy-saving and emission-reduction policy of implementing with country runs in the opposite direction.
China Patent No. discloses a kind of extra-fine steel material processing gas bath annealing device for the utility model patent of " 200820193455.X ", it is the improvement to common burial pit device, it includes burial pit and insulation cover, be furnished with isolation mount in the burial pit, the burial pit bottom is placed with some square steel parallels, it is characterized in that: have air dispelling hole on the described insulation cover, be provided with the bottom that water inlet pipe passes to burial pit; Or bottom burial pit, having aqua storage tank, this aqua storage tank extends to the burial pit outside; Though having set up, this device adds water function, can improve slow cooling effect and efficient.But also there is following problem: 1, can not controlled chilling speed; 2, can't guarantee when slow cooling, not produce oxidation and decarbonization; 3, can not realize full-automatic slow cooling.
The utility model content
First purpose of the present utility model is in order to overcome the shortcoming of existing annealing device slow cooling weak effect, easy contaminate environment, a kind of metal heat-treatment controllable slow-cooling device to be provided.
Second purpose of the present utility model is in order to provide a kind of metal heat treatmet controlled slow cooling intelligent on-line monitoring system.
First purpose of the present utility model can reach by following measure:
Metal heat-treatment controllable slow-cooling device, its constructional feature is: comprise body of heater and blower fan, the inner chamber of body of heater is provided with lifting/lowering platform, heat exchanger and Temperature Detector; The upper side wall of body of heater is provided with the workpiece import/export, and the place is provided with sealing cover in described workpiece import/export; The air outlet of blower fan is communicated with the inner chamber of body of heater from side lower part, the return air inlet of blower fan is communicated with the air outlet that is positioned at the body of heater heat exchanger from upper lateral part, form unidirectional air channel between the blast inlet of the air outlet of the inner chamber of body of heater, blower fan and heat exchanger, the lifting/lowering platform is arranged in described unidirectional air channel; The inner side-wall of body of heater is provided with thermal insulation layer; Described blower fan, heat exchanger and hoisting appliance are respectively equipped with control input signal end.
First purpose of the present utility model can also reach by following measure:
A scheme that realizes first purpose of the present utility model is: be provided with a ventilating duct at the air outlet of described blower fan and the junction of body of heater inner chamber, can comprise the blast inlet and the confession lifting/lowering platform active body of heater intracavity space of unidirectional ventilating duct, heat exchanger in the unidirectional air channel that the inner chamber of body of heater forms.
A scheme that realizes first purpose of the present utility model is: described blower fan can be made of the frequency conversion type blower fan; Described heat exchanger can be made of the water-cooled structure heat exchanger.
A scheme that realizes first purpose of the present utility model is: described Temperature Detector can be made of thermoelectric corner of at least two thermometrics or temperature sensor; The feedback signal input terminus of the outer connected control system of signal output part of thermoelectric corner of this thermometric or temperature sensor.
A scheme that realizes first purpose of the present utility model is: described body of heater is the dress multipurpose vertical stove of a kind of end.
A scheme that realizes first purpose of the present utility model is: described thermal insulation layer can be made of the fibrefelt muff.
Second purpose of the present utility model can reach by following measure:
The controlled slow cooling intelligent on-line monitoring system of metal heat treatmet, its constructional feature is: comprise the temperature control modules that is connected with the control input signal end of aforementioned blower fan, heat exchanger and hoisting appliance, the signal output part of this temperature control modules connects the control input signal end of blower fan, heat exchanger and hoisting appliance respectively, the feedback signal input terminus of this temperature control modules connects the signal output part of Temperature Detector, and the control signal input terminus of this temperature control modules connects a signal output part of industrial control computer.
Second purpose of the present utility model can reach by following measure:
A scheme that realizes second purpose of the present utility model is: industrial control computer also is connected with pressure-controlling module, flow-control module, nitrogen atmosphere protection module;
1) the defeated I/O port of the control of described industrial control computer is connected with the signal I/O end of temperature control modules, pressure-controlling module, flow-control module respectively;
2) control output end of described temperature control modules is connected with the signal input part of annealing device, and the feedback signal input terminus of temperature control modules is connected with the signal output part of temperature thermocouple;
3) control output end of described pressure-controlling module connects the body of heater inner chamber of annealing device by a pressure maintaining valve;
4) control output end of described flow-control module is connected with the signal input part of under meter and nitrogen protection atmosphere system respectively, its feedback signal input terminus is connected with the feedback signal output terminal of nitrogen protection atmosphere system, and the signal output part of described nitrogen protection atmosphere system is connected with the signal input part of under meter.
In the utility model, can form cooling system, connect lifting/lowering platform 3 by the control treatment unit and constitute quick lifting/lowering workpiece support system by control treatment unit connection blower fan and interchanger; Constitute the protection of inert gas system by control treatment unit and body of heater 1.
The beneficial effects of the utility model are:
1, the utility model for high quality high-performance carburizing part provide a kind of can controlled chilling speed, do not produce oxidation and decarbonization when guaranteeing the carburizing part slow cooling, the device of full-automatic slow cooling, and can accurately dock with the end multipurpose vertical stove production line of feeding, realize controlled atmosphere carburizing automatic production.
2, the utility model makes the carburized workpiece annealing process not produce oxidation and decarbonization by purity nitrogen purging, excellent sealing, the protection of process of cooling purity nitrogen in advance;
3, the utility model passes through thermal insulation layer, interchanger and blower fan, and temperature survey and Controlling System, and carburized workpiece is slowly cooled off under the situation of controlled cooling rate, reaches best structure property.
4, the utility model is by transmitter and Controlling System and end dress multipurpose vertical stove production line slitless connection, realizes that end charging multipurpose vertical stove production line has the automatic production of slow cooling function after the carburizing.
Description of drawings
Fig. 1 is an example structure synoptic diagram of carburizing postheat treatment annealing device.
Fig. 2 is the structured flowchart of Controlling System of the present utility model.
Embodiment
Specific embodiment 1:
Fig. 1 constitutes the metal heat-treatment controllable slow-cooling device of concrete enforcement 1 of the present utility model.
With reference to Fig. 1, the metal heat-treatment controllable slow-cooling device that present embodiment relates to comprises body of heater 1 and blower fan 4, and the inner chamber of body of heater 1 is provided with lifting/lowering platform 6, heat exchanger 5 and Temperature Detector 8; The upper side wall of body of heater 1 is provided with workpiece import/ export 10, and 10 places are provided with sealing cover 2 in described workpiece import/export; The air outlet 41 of blower fan is communicated with the inner chamber of body of heater 1 from side lower part, the return air inlet 42 of blower fan is communicated with the air outlet 51 that is positioned at the body of heater heat exchanger from upper lateral part, form unidirectional air channel between the blast inlet of the air outlet 41 of the inner chamber of body of heater 1, blower fan and heat exchanger 5, lifting/lowering platform 6 is arranged in described unidirectional air channel; The inner side-wall of body of heater 1 is provided with thermal insulation layer 3; Described blower fan 4, heat exchanger 5 and hoisting appliance 6 are respectively equipped with control input signal end.
In the present embodiment, junction at the air outlet 41 of described blower fan 4 and body of heater 1 inner chamber is provided with a ventilating duct 7, can comprise the blast inlet of unidirectional ventilating duct 7, heat exchanger 5 in the unidirectional air channel that the inner chamber of body of heater 1 forms and for lifting/lowering platform 3 active body of heater intracavity spaces.Described blower fan 4 can be made of the frequency conversion type blower fan; Described heat exchanger 5 can be made of the water-cooled structure heat exchanger.Described Temperature Detector 5 can be made of the thermoelectric corner of two thermometrics; The described body of heater 1 of feedback signal input terminus of the outer connected control system of signal output part of thermoelectric corner of this thermometric or temperature sensor is the dress multipurpose vertical stove of a kind of end.Described thermal insulation layer 3 can be made of the fibrefelt muff.
Form cooling system by control treatment unit connection blower fan and interchanger, connect lifting/lowering platform 6 by the control treatment unit and constitute quick lifting/lowering workpiece support system; Constitute the protection of inert gas system by control treatment unit and body of heater 1.
Principle of work of the present utility model is: carburized workpiece enters before the slow cooling system; annealing device is by logical nitrogen cleaning; pollution-free and oxidizing atmosphere in the holding device; carburized workpiece is placed on quick lifting/lowering platform 6; and in this annealing device of packing into fast, realize controlled cooling to the no nitrogenize decarburization of carburized workpiece by nitrogen protecting system and cooling system.Described annealing device purges by logical nitrogen in advance, because the stopping property of device is fine, carburized workpiece is cooled off under the condition of pure nitrogen gas protection all the time, guarantees in the carburized workpiece annealing process not oxidation and decarbonization.Controlling System by control blower fan 4 adjust blower fan and advance/speed of return air, the flow of control heat exchanger 5 changes the cooling performance of cool nitrogen, reaches the purpose of adjusting the workpiece cooling rate.Carburized workpiece can by 6 liftings of lifting/lowering platform, can be by workpiece import/export 10 loading and unloading.
The thermopair that is provided with in the use device, the testing inner temperature is as the foundation of calculating and adjust speed of cooling.By adjusting fan speed and changing the cooling performance of cool nitrogen, reach the purpose of adjusting the workpiece cooling rate by the flow of heat exchange.By pure nitrogen gas protection in logical nitrogen blow device excellent sealing, the cooling in advance, guarantee in the carburized workpiece annealing process not oxidation and decarbonization.
But charging carburizing annealing device at the bottom of the online accurately control multifunctional of the utility model formation.
Specific embodiment 2:
Fig. 1 and Fig. 2 constitute the controlled slow cooling intelligent on-line monitoring system of metal heat treatmet of the present utility model.
With reference to Fig. 2, the controlled slow cooling intelligent on-line monitoring system of metal heat treatmet, be on the basis of the disclosed metal heat-treatment controllable slow-cooling device of Fig. 1, to connect an Industrial Computer Control system, mainly comprise: with aforementioned blower fan 4, the temperature control modules that the control input signal end of heat exchanger 5 and hoisting appliance 6 is connected, the signal output part of this temperature control modules connects blower fan 4 respectively, the control input signal end of heat exchanger 5 and hoisting appliance 6, the feedback signal input terminus of this temperature control modules connects the signal output part of Temperature Detector 8, and the control signal input terminus of this temperature control modules connects a signal output part of industrial control computer.
Industrial control computer also is connected with pressure-controlling module, flow-control module, nitrogen atmosphere protection module; The defeated I/O port of the control of described industrial control computer is connected with the signal I/O end of temperature control modules, pressure-controlling module, flow-control module respectively; The control output end of described temperature control modules is connected with the signal input part of annealing device, and the feedback signal input terminus of temperature control modules is connected with the signal output part of temperature thermocouple; The control output end of described pressure-controlling module connects the body of heater inner chamber of annealing device by a pressure maintaining valve; The control output end of described flow-control module is connected with the signal input part of under meter and nitrogen protection atmosphere system respectively, its feedback signal input terminus is connected with the feedback signal output terminal of nitrogen protection atmosphere system, and the signal output part of described nitrogen protection atmosphere system is connected with the signal input part of under meter.
With reference to Fig. 1, the described metal heat-treatment controllable slow-cooling device of present embodiment is identical with specific embodiment 1.
Claims (8)
1. metal heat-treatment controllable slow-cooling device, it is characterized in that: comprise body of heater (1) and blower fan (4), the inner chamber of body of heater (1) is provided with lifting/lowering platform (6), heat exchanger (5) and Temperature Detector (8); The upper side wall of body of heater (1) is provided with workpiece import/export (10), locates to be provided with sealing cover (2) in workpiece import/export (10); Blower fan is positioned at outside the body of heater (1), its air outlet (41) is communicated with the inner chamber of body of heater (1), its return air inlet (42) is communicated with heat exchanger from upper lateral part air outlet (51) from side lower part, form unidirectional air channel between the blast inlet of the inner chamber of body of heater (1), the air outlet of blower fan (41) and heat exchanger (5), lifting/lowering platform (6) is arranged in described unidirectional air channel; The inner side-wall of body of heater (1) is provided with thermal insulation layer (3); Described blower fan (4), heat exchanger (5) and hoisting appliance (6) are respectively equipped with control input signal end.
2. metal heat-treatment controllable slow-cooling device according to claim 1, it is characterized in that: the junction at the air outlet (41) of blower fan (4) and body of heater (1) inner chamber is provided with a ventilating duct (7), comprises the blast inlet of unidirectional ventilating duct (7), heat exchanger (5) in the unidirectional air channel that the inner chamber of body of heater (1) forms and for lifting/lowering platform (3) active body of heater intracavity space.
3. metal heat-treatment controllable slow-cooling device according to claim 1 and 2 is characterized in that: described blower fan (4) is made of the frequency conversion type blower fan; Described heat exchanger (5) is made of the water-cooled structure heat exchanger.
4. metal heat-treatment controllable slow-cooling device according to claim 1 and 2 is characterized in that: described Temperature Detector (8) is made of thermoelectric corner of at least two thermometrics or temperature sensor; The feedback signal input terminus of the outer connected control system of signal output part of thermoelectric corner of this thermometric or temperature sensor.
5. metal heat-treatment controllable slow-cooling device according to claim 1 and 2 is characterized in that: described body of heater (1) is end dress multipurpose vertical stove.
6. metal heat-treatment controllable slow-cooling device according to claim 1 and 2 is characterized in that: described thermal insulation layer (3) is made of the fibrefelt muff.
7. the controlled slow cooling intelligent on-line monitoring system of metal heat treatmet, it is characterized in that: comprise the temperature control modules that is connected with the control input signal end of aforementioned blower fan (4), heat exchanger (5) and hoisting appliance (6), the signal output part of this temperature control modules connects the control input signal end of blower fan (4), heat exchanger (5) and hoisting appliance (6) respectively, the feedback signal input terminus of this temperature control modules connects the signal output part of Temperature Detector (8), and the control signal input terminus of this temperature control modules connects a signal output part of industrial control computer.
8. the controlled slow cooling intelligent on-line monitoring system of metal heat treatmet according to claim 7 is characterized in that: industrial control computer also is connected with pressure-controlling module, flow-control module, nitrogen atmosphere protection module;
1) the defeated I/O port of the control of described industrial control computer is connected with the signal I/O end of temperature control modules, pressure-controlling module, flow-control module respectively;
2) control output end of described temperature control modules is connected with the signal input part of annealing device, and the feedback signal input terminus of temperature control modules is connected with the signal output part of temperature thermocouple;
3) control output end of described pressure-controlling module connects the body of heater inner chamber of annealing device by a pressure maintaining valve;
4) control output end of described flow-control module is connected with the signal input part of under meter and nitrogen protection atmosphere system respectively, its feedback signal input terminus is connected with the feedback signal output terminal of nitrogen protection atmosphere system, and the signal output part of described nitrogen protection atmosphere system is connected with the signal input part of under meter.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009202626974U CN201587962U (en) | 2009-11-13 | 2009-11-13 | Metal heat treatment controllable retarded cooling device and intelligent on-line monitoring system |
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| CN2009202626974U CN201587962U (en) | 2009-11-13 | 2009-11-13 | Metal heat treatment controllable retarded cooling device and intelligent on-line monitoring system |
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| CN201587962U true CN201587962U (en) | 2010-09-22 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101709364B (en) * | 2009-11-13 | 2012-03-28 | 广东世创金属科技有限公司 | Metal heat-treatment controllable slow-cooling device and intelligent on-line monitoring system |
| CN104308129A (en) * | 2014-09-30 | 2015-01-28 | 宁夏共享铸钢有限公司 | Structure-complicated large-scale cast steel high-temperature knockout slow cooling device and casting technique |
-
2009
- 2009-11-13 CN CN2009202626974U patent/CN201587962U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101709364B (en) * | 2009-11-13 | 2012-03-28 | 广东世创金属科技有限公司 | Metal heat-treatment controllable slow-cooling device and intelligent on-line monitoring system |
| CN104308129A (en) * | 2014-09-30 | 2015-01-28 | 宁夏共享铸钢有限公司 | Structure-complicated large-scale cast steel high-temperature knockout slow cooling device and casting technique |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100922 Termination date: 20121113 |