CN203112875U - Roller type spheroidizing annealing production line - Google Patents
Roller type spheroidizing annealing production line Download PDFInfo
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- CN203112875U CN203112875U CN 201220740701 CN201220740701U CN203112875U CN 203112875 U CN203112875 U CN 203112875U CN 201220740701 CN201220740701 CN 201220740701 CN 201220740701 U CN201220740701 U CN 201220740701U CN 203112875 U CN203112875 U CN 203112875U
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Abstract
The utility model relates to a heat treatment production line and particularly relates to a roller type spheroidizing annealing production line. The roller type spheroidizing annealing production line sequentially comprises a roller type charging platform, a cooling device, a heating device, a roller type discharging platform and an upper computer control system, wherein the cooling device comprises a roller type rapid cooling furnace and a forced rapid cooling chamber arranged at the tail end of the roller type rapid cooling furnace, and a workpiece transmission device is arranged in the roller type rapid cooling furnace, is of a double-layer structure and comprises an upper-layer cold workpiece input device and a lower-layer hot workpiece output device. The roller type spheroidizing annealing production line is high in degree of automation, the labor intensity of workers is substantially reduced, the production efficiency is improved, waste heat in workpiece cooling can be fully utilized so as to achieve energy conservation and environmental protection, and the roller type spheroidizing annealing production line can be widely used for spheroidizing annealing treatment of large quantities of parts or raw materials and isothermal spheroidizing annealing treatment of the parts.
Description
Technical field
The utility model relates to a kind of heat-treatment production line, relates in particular to a kind of roller baseball annealing production line.
Background technology
Metal heat treatmet is metal works to be placed on be heated to suitable temperature in certain medium, and after in this temperature, keeping certain hour, cool off in different media with friction-motion speed again, control a kind of technology of its performance by changing metal material surface or inner microstructure.Isothermal spheroidizing is hypereutectoid steel (as bearing steel) starting material (bar, wire rod etc.) or part blank thermal treatment process commonly used, can reduce hardness on the one hand, improve cutting ability, for machining is prepared, be the spheroidized carbide of disperse on the other hand in order to obtain thin, do tissue for subsequent heat treatment (quenching, tempering) and prepare, in order to after subsequent heat treatment, obtain the favorable mechanical performance, improve the thermal treatment qualification rate.
The isothermal spheroidizing technology of hypereutectoid steel is as follows: (1) shove charge is warmed up to the austenitizing temperature insulation, makes the carbide dissolving; (2) fast cooling prevents that carbide from separating out; (3) be as cold as and be lower than Ar1 temperature isothermal slightly, make carbide separate out nodularization; (4) stove is as cold as room temperature or furnace cooling to certain lesser temps (as 300 ℃) air cooling of coming out of the stove.Existing hypereutectoid steel Spheroidizing Annealing is many carries out in the cycle stove, as car type furnace, and bell furnace etc.All in same stove, carry out because all operation stages comprise heating, insulation, isothermal and cooling, so material is very long to the cycle of coming out of the stove from advancing stove, inefficiency; Therefore in addition, existing stove does not possess fast cooling device, can not realize that fast cold in the technology causes separating out of carbide to be grown up, thereby reduce the nodularization effect.
Current thermal treatment equipment often can not utilize the waste heat in the work-piece cools process after the high-temperature heat treatment, generally all is furnace cooling or air cooling, need accelerate cooling by large-scale blower sometimes.So not only waste most of heat energy, and stove cooling workpiece needs to take portion of time simultaneously, other workpiece need wait have been handled workpiece and cools off fully and could add new workpiece after coming out of the stove, heat treatment furnace is not farthest utilized, the production technique cycle is long, production efficiency is low, thereby causes production cost to increase.In addition, most of heat energy dissipation raises the workshop temperature in the workshop, has a strong impact on workman's Working environment.
And existing heat-treatment production line also ubiquity that labour intensity is big, energy expenditure is many, the fault multidimensional is repaiied trouble, can not be controlled automatically and shortcoming such as operation.
The utility model content
The purpose of this utility model is to overcome the defective that prior art exists, and a kind of production efficiency height is provided, but and annular isothermal spheroidizing production line and the isothermal spheroidizing method of UTILIZATION OF VESIDUAL HEAT IN.
The technical scheme that realizes the utility model purpose is: a kind of roller bar type Spheroidizing Annealing production line comprises roller bar type feeding platform, refrigerating unit, heating unit, roller bar type discharging platform and upper computer control system successively; Described refrigerating unit comprises the fast black furnace of roller bar type and is positioned at the pressure rapid cooling chamber of the fast black furnace end of roller bar type, be provided with the workpiece transfer device in the fast black furnace of described roller bar type, described workpiece transfer device is bilayer structure, comprises the cold workpiece input unit in upper strata and lower floor's heated work pieces take-off equipment.
Lifting table and back lifting table before technique scheme, the fast black furnace of described roller bar type rear and front end are respectively equipped with, described preceding lifting table front end also is provided with the vacuum lock air chamber.
Technique scheme, described roller bar type feeding platform and roller bar type discharging platform are " L " type, be provided with rotation transition material platform between described roller bar type feeding platform one end and roller bar type discharging platform one end, described rotation transition material platform and the fast black furnace of roller bar type and vacuum lock air chamber are arranged on the same straight line.
Technique scheme, the fast black furnace upper end edge of described roller bar type body of heater length direction is provided with a plurality of oil cooling air-circulating fans, and the fast black furnace of described roller bar type bottom is provided with a plurality of band fin water-cooled pipe type interchanger.
Technique scheme, described pressure rapid cooling chamber upper end is provided with cooling duct, and described cooling duct links to each other with extraneous cooling blower.
Technique scheme, described heating unit comprise and be positioned at rotary heating furnace and the annular constant-temperature oven of forcing the rapid cooling chamber both sides, and the high temperature that is provided with for the promotion workpiece in described rotary heating furnace and annular constant-temperature oven and the passage of forcing rapid cooling chamber to link to each other pushes away chain; Described rotary heating furnace and annular constant-temperature oven are isolated with the pressure rapid cooling chamber by middle door assembly, but door assembly switch in described.
Technique scheme; described rotary heating furnace and annular constant-temperature oven top are provided with a plurality of oil cooling air-circulating fans; described oil cooling air-circulating fan next door also is provided with protective atmosphere inlet pipe, radiator tube and thermopair; described protective atmosphere inlet pipe, radiator tube and thermopair all are inserted in the body of heater, and described thermopair links to each other with the outside temperature Controlling System.。
Technique scheme, described rotary heating furnace and annular constant-temperature oven bottom are provided with at the bottom of the rotary furnace, and the side is provided with 1 ~ 3 access door, and inside is provided with the revolution support at the bottom of the described rotary furnace.
After adopting technique scheme, the utlity model has following positive effect:
(1) the utility model workpiece transfer all adopts roller bar type design, and the operation by upper computer control system control integral production line, and the level of automation height reduces labor strength significantly, enhances productivity; The fast black furnace workpiece transfer of roller bar type device divides upper and lower two-layer, can be respectively with pending cold workpiece with handled heated work pieces and be placed on the upper and lower, the energy that discharges during the heated work pieces cooling can carry out preheating to the cold workpiece in upper strata, preheating temperature can reach 300 ~ 500 ℃, when entering process furnace and carry out the thermal treatment of next through the workpiece of preheating, heating-up time can be reduced, save energy, can avoid the cold workpiece process that directly in process furnace, is rapidly heated to produce thermal stresses again, cause defectives such as workpiece cracking, distortion; Can also improve simultaneously the rate of cooling of heated work pieces by thermal exchange, thereby shorten process cycle, reduce production costs;
(2) the forward and backward lifting table of the fast black furnace of roller bar type rear and front end setting is convenient to the transfer up and down of workpiece, and need not the roller bar type feeding platform that stove is outer and roller bar type discharging platform be arranged to respectively with body of heater in cold workpiece input unit and heated work pieces take-off equipment be arranged to sustained height, namely saved the material of producing apparatus, can significantly reduce equipment volume again, save and take up an area of the space; The vacuum lock air chamber is sealable furnace chamber, and is provided with pumped vacuum systems, after hot and cold workpiece all enters fast black furnace, fast black furnace is vacuumized, and heated work pieces is cooled off under vacuum state, can prevent the surface oxidation decarburization;
(3) roller bar type feeding platform and roller bar type discharging platform all are " L " type, can shorten production line length, reduce floor space; Shift workpiece by rotation transition material platform between the fast black furnace three of roller bar type feeding platform, roller bar type discharging platform and roller bar type, make the production line structure compacter;
(4) the oil cooling air-circulating fan and the finned water-cooled heat exchanger that are provided with of the fast black furnace of roller bar type, the oil cooling air-circulating fan is used for the pump circulation of furnace gas, promotes the heat exchange of hot and cold workpiece, improves heat exchange efficiency, shortens process cycle; Finned water-cooled pipe type interchanger strengthens the speed of cooling of heated work pieces, reaches the purpose of fast cooling;
(5) the utility model is forced the cooling duct that rapid cooling chamber and upper end thereof are provided with, and can realize the quick cooling of workpiece, prevents that separating out of carbide from growing up, thereby improves the nodularization effect;
(6) the utility model heating unit comprises two kinds of rotary heating furnace and annular constant-temperature ovens, the heating of workpiece can be carried out in different stoves with isothermal, in the time of to a collection of work piece isothermal, also can heat another batch workpiece, can shorten process cycle greatly, enhance productivity;
(7) rotary heating furnace and annular constant-temperature oven are provided with the effect that can play pump circulation to hot-fluid in the stove and air-flow of oil cooling air-circulating fan, improve being heated evenly property of workpiece; The protective atmosphere of nitrogen, methane or both mixtures enters in the body of heater by the protective atmosphere inlet pipe, can prevent that oxidation and decarbonization appears in the surface in workpiece heating, the insulating process; Radiator tube is used for intensification, heating and the insulation of process furnace and constant-temperature oven; The thermopair that the temperature control system that links to each other with the external world links to each other can carry out thermometric at any time to temperature in the stove, and regulates temperature in the stove by temperature control system, and the workpiece that has good organization and performance for acquisition is given security;
(8) annular constant-temperature oven and process furnace also have at the bottom of the rotary furnace, have further improved being heated evenly property in the heat treatment of workpieces process;
(9) the utility model is of many uses, can be used for part in enormous quantities or raw-material Spheroidizing Annealing and handles, and the isothermal spheroidizing that also can be used for part is handled, with energy-conserving and environment-protective, take up an area of little, the production efficiency advantages of higher.
Description of drawings
Content of the present utility model is easier to be expressly understood in order to make, and according to specific embodiment also by reference to the accompanying drawings, the utility model is described in further detail, wherein below
Fig. 1 is the utility model front view;
Fig. 2 is the utility model vertical view;
Fig. 3 is the utility model A-A face sectional view;
Among the figure 1, roller bar type feeding platform; 2, refrigerating unit; 21, the fast black furnace of roller bar type; 21-1, preceding lifting table; 21-2, back lifting table; 21-3, vacuum lock air chamber; 21-4, band fin water-cooled pipe type interchanger; 22, force rapid cooling chamber; 22-1, cooling duct; 3, heating unit; 31, rotary heating furnace; 32, annular constant-temperature oven; 33, high temperature pushes away chain; 4, roller bar type discharging platform; 5, upper computer control system; 6, workpiece transfer device; 61, cold workpiece input unit; 62, heated work pieces take-off equipment; 7, rotation transition material platform; 8, oil cooling air-circulating fan; 9, protective atmosphere inlet pipe; 10, radiator tube; 11, thermopair; 12, access door; 13, middle door assembly.
Embodiment
(embodiment 1)
See Fig. 1 to Fig. 3, the utility model comprises the upper computer control system 5 of roller bar type feeding platform 1, refrigerating unit 2, heating unit 3, roller bar type discharging platform 4 and control whole piece streamline successively; Refrigerating unit 2 comprises the fast black furnace 21 of roller bar type and is positioned at the pressure rapid cooling chamber 22 of fast black furnace 2 ends of roller bar type, be provided with workpiece transfer device 6 in the fast black furnace 21 of roller bar type, workpiece transfer device 6 is bilayer structure, comprises the cold workpiece input unit 61 in upper strata and lower floor's heated work pieces take-off equipment 62.Lifting table 21-1 and back lifting table 21-2 before the fast black furnace of roller bar type 21 rear and front ends are respectively equipped with, preceding lifting table 21-1 front end also is provided with vacuum lock air chamber 21-3, vacuum lock air chamber 21-3 is sealable furnace chamber, be provided with pumped vacuum systems in the furnace chamber, after workpiece is carried fully and is finished, start pumped vacuum systems, workpiece can heat under vacuum state, prevents the surface oxidation decarburization.
Preferably, roller bar type feeding platform 1 is " L " type with roller bar type discharging platform 4, can shorten production line length, saves floor occupying area; Be provided with rotation transition material platform 7 between roller bar type feeding platform 1 one ends and roller bar type discharging platform 4 one ends, rotation transition material platform 7 is arranged on the same straight line with the fast black furnace 21 of roller bar type and vacuum lock air chamber 21-3.
Preferably, the fast black furnace 21 upper end edge body of heater length directions of roller bar type are provided with a plurality of oil cooling air-circulating fans 8, and the fast black furnace of roller bar type 21 bottoms are provided with a plurality of band fin water-cooled pipe type interchanger 21-4.
Preferably, force rapid cooling chamber 22 upper ends to be provided with cooling duct 22-1, cooling duct 22-1 links to each other with extraneous cooling blower.
Preferably, rotary heating furnace 31 and annular constant-temperature oven 32 bottoms are provided with at the bottom of the rotary furnace, and inside is provided with the revolution support at the bottom of the rotary furnace, can improve being heated evenly property of workpiece in the stove, and the side respectively is provided with 2 access doors 12, has made things convenient for the maintenance examination of body of heater.
Above-described specific embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; institute is understood that; the above only is specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any modification of making, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (8)
1. a roller bar type Spheroidizing Annealing production line comprises roller bar type feeding platform (1), refrigerating unit (2), heating unit (3), roller bar type discharging platform (4) and upper computer control system (5) successively; It is characterized in that: described refrigerating unit (2) comprises the fast black furnace of roller bar type (21) and is positioned at the terminal pressure rapid cooling chamber (22) of the fast black furnace of roller bar type (2), be provided with workpiece transfer device (6) in the fast black furnace of described roller bar type (21), described workpiece transfer device (6) is bilayer structure, comprises the cold workpiece input unit in upper strata (61) and lower floor's heated work pieces take-off equipment (62).
2. roller bar type Spheroidizing Annealing production line according to claim 1, it is characterized in that: the fast black furnace of described roller bar type (21) rear and front end is respectively equipped with preceding lifting table (21-1) and back lifting table (21-2), and described preceding lifting table (21-1) front end also is provided with vacuum lock air chamber (21-3).
3. roller bar type Spheroidizing Annealing production line according to claim 2, it is characterized in that: described roller bar type feeding platform (1) is " L " type with roller bar type discharging platform (4), be provided with rotation transition material platform (7) between described roller bar type feeding platform (1) one end and roller bar type discharging platform (4) one ends, described rotation transition material platform (7) is arranged on the same straight line with the fast black furnace of roller bar type (21) and vacuum lock air chamber (21-3).
4. according to claim 1,2 or 3 described roller bar type Spheroidizing Annealing production lines, it is characterized in that: the fast black furnace of described roller bar type (21) upper end edge body of heater length direction is provided with a plurality of oil cooling air-circulating fans (8), and the fast black furnace of described roller bar type (21) bottom is provided with a plurality of band fin water-cooled pipe type interchanger (21-4).
5. roller bar type Spheroidizing Annealing production line according to claim 4 is characterized in that: described pressure rapid cooling chamber (22) upper end is provided with cooling duct (22-1), and described cooling duct (22-1) links to each other with extraneous cooling blower.
6. roller bar type Spheroidizing Annealing production line according to claim 1, it is characterized in that: described heating unit (3) comprises and is positioned at rotary heating furnace (31) and the annular constant-temperature oven (32) of forcing rapid cooling chamber (22) both sides, and the high temperature that is provided with for the promotion workpiece in described rotary heating furnace (31) and annular constant-temperature oven (32) and the passage that pressure rapid cooling chamber (22) links to each other pushes away chain (33); Described rotary heating furnace (31) and annular constant-temperature oven (32) by middle door assembly (13) with force rapid cooling chamber (22) isolated, described in door assembly (13) but switch.
7. roller bar type Spheroidizing Annealing production line according to claim 6; it is characterized in that: described rotary heating furnace (31) and annular constant-temperature oven (32) top are provided with a plurality of oil cooling air-circulating fans (8); described oil cooling air-circulating fan (31) next door also is provided with protective atmosphere inlet pipe (9), radiator tube (10) and thermopair (11); described protective atmosphere inlet pipe (9), radiator tube (10) and thermopair (11) all are inserted in the body of heater, and described thermopair (11) links to each other with the outside temperature Controlling System.
8. according to claim 6 or 7 described roller bar type Spheroidizing Annealing production lines, it is characterized in that: described rotary heating furnace (31) and annular constant-temperature oven (32) bottom are provided with at the bottom of the rotary furnace, the side is provided with 1 ~ 3 access door (12), and inside is provided with the revolution support at the bottom of the described rotary furnace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220740701 CN203112875U (en) | 2012-12-28 | 2012-12-28 | Roller type spheroidizing annealing production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220740701 CN203112875U (en) | 2012-12-28 | 2012-12-28 | Roller type spheroidizing annealing production line |
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| Publication Number | Publication Date |
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| CN203112875U true CN203112875U (en) | 2013-08-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220740701 Withdrawn - After Issue CN203112875U (en) | 2012-12-28 | 2012-12-28 | Roller type spheroidizing annealing production line |
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| Country | Link |
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| CN (1) | CN203112875U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103074471A (en) * | 2012-12-28 | 2013-05-01 | 赫菲斯热处理系统江苏有限公司 | Roller-type spheroidizing annealing production line and isothermal spheroidizing annealing method |
| CN108220572A (en) * | 2017-12-22 | 2018-06-29 | 杭州杭锅工业锅炉有限公司 | Austenitic stainless steel pipe piece elbow local solution treating method and its device |
-
2012
- 2012-12-28 CN CN 201220740701 patent/CN203112875U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103074471A (en) * | 2012-12-28 | 2013-05-01 | 赫菲斯热处理系统江苏有限公司 | Roller-type spheroidizing annealing production line and isothermal spheroidizing annealing method |
| CN108220572A (en) * | 2017-12-22 | 2018-06-29 | 杭州杭锅工业锅炉有限公司 | Austenitic stainless steel pipe piece elbow local solution treating method and its device |
| CN108220572B (en) * | 2017-12-22 | 2019-09-10 | 杭州杭锅工业锅炉有限公司 | Austenitic stainless steel pipe piece elbow local solution treating method and its device |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130807 Effective date of abandoning: 20150211 |
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| RGAV | Abandon patent right to avoid regrant |