CN202465783U - Suspension-type isothermal normalizing production line - Google Patents
Suspension-type isothermal normalizing production line Download PDFInfo
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- CN202465783U CN202465783U CN2011205503085U CN201120550308U CN202465783U CN 202465783 U CN202465783 U CN 202465783U CN 2011205503085 U CN2011205503085 U CN 2011205503085U CN 201120550308 U CN201120550308 U CN 201120550308U CN 202465783 U CN202465783 U CN 202465783U
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Abstract
A suspension-type isothermal normalizing production line comprises a heating furnace, a rapid cooling chamber and a slow cooling chamber, wherein the heating furnace and the slow cooling chamber are arranged side by side; and the rapid cooling chamber is arranged on the left of the heating furnace and the slow cooling chamber. Through the adoption of the suspension-type isothermal normalizing production line, workpieces can be suspended in the processes of heat treatment processing, rapid cooling and slow cooling, so that the workpieces cannot interact with each other, the heating process and the cooling process are faster, the condition of treated workpieces is better, and the influence on workpiece heating caused by a feeding carrier and ambient workpieces can be reduced; the moving trace of the workpieces in the rapid cooling chamber is snake-shaped, so that the cooling speed can be increased; a reversing valve and a gas mixing valve which are mounted in the slow cooling chamber can change the wind direction and the flow rate, so that the contact area between burner gas and the workpieces is increased, and the burner gas can be fully utilized to uniformly cool the workpieces; and an infrared temperature measuring instrument is adopted to strictly control the temperature of the workpieces subjected to slow cooling, so that the processing quality of the isothermal normalizing process can be improved, the energy is saved, the cost is lowered, and the pollution is reduced to protect the environment.
Description
Technical field
The utility model belongs to the heat treatment technics field, particularly relates to a kind of suspension type isothermal normalizing production line.
Background technology
Workpiece normalizing treatment method at present commonly used is in process furnace, to carry out heat treated, then workpiece is cooled to room temperature through over-quenching and annealing process.Known isothermal normalizing feeding style is push-plate formula and the feeding of charging basket formula, and workpiece piles up contact each other in the process of normalizing.Because different workpieces size and quantity, it is inconsistent in the isothermal normalizing treating processes, inside and outside workpiece heating and cooling speed to occur through regular meeting, so problem such as workpiece temperature, hardness be inhomogeneous.And the charging basket feed mechanism is complicated; To loading push-plate and the charging basket material requirements harshness that workpiece is used; Some time of heating and cooling process to workpiece is that push-plate and charging basket are carried out heating and cooling, thereby makes whole technological process consuming time longer, and the production continuity of push-plate and charging basket feeding is low; The process very complicated, cost is high, production capacity is low, energy consumption is big.
Summary of the invention
In order to address the above problem, the purpose of the utility model be to provide a kind of simple in structure, energy consumption is low and can quantity-produced suspension type isothermal normalizing production line.
In order to achieve the above object, the suspension type isothermal normalizing production line that the utility model provides comprises process furnace, the gentle cold house of quench chamber, and wherein the gentle cold house of process furnace is arranged side by side, and quench chamber is arranged on the left side of the gentle cold house of process furnace; Described process furnace comprises body of heater, trolley track, a plurality of underslung trolley and a plurality of suspension hook; Wherein body of heater is made up of inner and outer shell, is filled with thermal insulation layer between the inner and outer shell, is respectively equipped with a discharging fire door and a charging fire door on the left and right side; Trolley track is horizontally set on the inside top surface of body of heater along charging fire door and discharging fire door line direction; A plurality of underslung trolleys are arranged on the trolley track with the mode standoff distance that moves, and a suspension hook is installed on each underslung trolley; Quench chamber comprises chilling case and serpentine track; Wherein the right flank upper and lower of chilling case is formed with a dolly import and dolly outlet respectively, and front end face is provided with a plurality of blast inlets, and aft end face is provided with a plurality of air outlets; Serpentine track is arranged on the inside of chilling case, and its two ends lay respectively at dolly import and dolly exit, and is positioned at an end of dolly ingress on the serpentine track and links to each other with trolley track on the process furnace; The slow cooling chamber comprises slow cooling box, track, Gas mixing valve, reversing valve, first blower fan and second blower fan; Wherein the slow cooling chamber about end be respectively equipped with an opening for feed and a discharge port; Track is horizontally set on the inside top surface of slow cooling box along opening for feed and discharge port line direction, and the serpentine track in dolly exit is joined on the entrance end of track and the chilling case; Gas mixing valve, reversing valve, first blower fan and second blower fan all are arranged on the outside of slow cooling box; Wherein reversing valve links to each other with slow cooling box with second gas tube through first gas tube; Join through the 3rd gas tube and the 4th gas tube and Gas mixing valve simultaneously, Gas mixing valve is connected with the air outlet with inlet mouth simultaneously; First blower fan and second blower fan then are installed in respectively on the 4th gas tube and the 3rd gas tube.
An infrared thermometer also is installed on the described slow cooling box, is used for the temperature of workpiece is measured in real time.
The suspension type isothermal normalizing production line that the utility model provides can make workpiece in heat treatment process, chilling and annealing process, be in suspension status all the time; Will make like this not have between workpiece and influence each other; Therefore the heating and cooling process is quicker; And the workpiece article after handling are mutually better, and can reduce feeding carrier and workpiece influence that workpiece is heated on every side; Workpiece is snakelike at the running orbit of quench chamber, therefore can accelerate speed of cooling; The reversing valve of the indoor installation of slow cooling and Gas mixing valve can change wind direction and flow, have therefore increased the contact area of furnace gas and workpiece, and can make full use of furnace gas, and workpiece can evenly be cooled off; Workpiece temperature after using infrared thermometer to slow cooling is carried out strictness control, so can improve the processing quality of isothermal normalizing technology, saves the energy and reduces cost, and reduces and pollutes, the protection environment.
Description of drawings
The suspension type isothermal normalizing production line structure vertical view that Fig. 1 provides for the utility model.
Fig. 2 is process furnace vertical structure sectional view in the suspension type isothermal normalizing production line shown in Fig. 1.
Fig. 3 is quench chamber structure vertical view in the suspension type isothermal normalizing production line shown in Fig. 1.
Fig. 4 is slow cooling cell structure synoptic diagram in the suspension type isothermal normalizing production line shown in Fig. 1.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the suspension type isothermal normalizing production line that the utility model provides is elaborated.
Like Fig. 1-shown in Figure 4, the suspension type isothermal normalizing production line that the utility model provides comprises process furnace 1, quench chamber 2 gentle cold houses 3, and wherein process furnace 1 gentle cold house 3 is arranged side by side, and quench chamber 2 is arranged on the left side of process furnace 1 gentle cold house 3; Described process furnace 1 comprises body of heater 4, trolley track 5, a plurality of underslung trolley 6 and a plurality of suspension hook 7; Wherein body of heater 4 is made up of inner and outer shell, is filled with thermal insulation layer 8 between the inner and outer shell, is respectively equipped with a discharging fire door 9 and a charging fire door 10 on the left and right side; Trolley track 5 is horizontally set on the inside top surface of body of heater 4 along charging fire door 10 and discharging fire door 9 line directions; A plurality of underslung trolleys 6 are arranged on the trolley track 5 with the mode standoff distance that moves, and a suspension hook 7 is installed on each underslung trolley 6; Quench chamber 2 comprises chilling case 11 and serpentine track 12; Wherein the right flank upper and lower of chilling case 11 is formed with a dolly import 13 and dolly outlet 14 respectively, and front end face is provided with a plurality of blast inlets 15, and aft end face is provided with a plurality of air outlets 16; Serpentine track 12 is arranged on the inside of chilling case 11, and its two ends lay respectively at dolly import 13 and export 14 places with dolly, and is positioned at an end at dolly import 13 places on the serpentine track 12 and links to each other with trolley track 5 on the process furnace 1; Slow cooling chamber 3 comprises slow cooling box 17, track 18, Gas mixing valve 19, reversing valve 20, first blower fan 21 and second blower fan 22; Wherein slow cooling chamber 3 about end be respectively equipped with an opening for feed 23 and a discharge port 24; Track 18 is horizontally set on the inside top surface of slow cooling box 17 along opening for feed 23 and discharge port 24 line directions, and the serpentine track 12 that dolly exports 14 places on the entrance end of track 18 and the chilling case 11 is joined; Gas mixing valve 19, reversing valve 20, first blower fan 21 and second blower fan 22 all are arranged on the outside of slow cooling box 17; Wherein reversing valve 20 links to each other with slow cooling box 17 with second gas tube 26 through first gas tube 25; Join with Gas mixing valve 19 through the 3rd gas tube 27 and the 4th gas tube 28 simultaneously, Gas mixing valve 19 is connected with air outlet 30 with inlet mouth 29 simultaneously; First blower fan 21 and second blower fan 22 then are installed in respectively on the 4th gas tube 28 and the 3rd gas tube 27.
An infrared thermometer 31 also is installed on the described slow cooling box 17, is used for the temperature of workpiece 32 is measured in real time.
The existing suspension type isothermal normalizing production line production process that the utility model is provided describes: the lower end that at first in the outside that is positioned at charging fire door 10 on the body of heater 4 a plurality of workpiece 32 is suspended on each suspension hook 7 by operator respectively; Workpiece 32 will move on trolley track 5 with underslung trolley 6 from right to left then, and get into the inside of body of heater 4 through charging fire door 10.The workpiece 32 that is in suspension status will carry out uniform heat treatment process in body of heater 4; Enter into the inside of chilling case 11 then successively through discharging fire door 9 and dolly import 13, and on serpentine track 12, continue to move, in this process; Air will blow in the chilling case 11 from blast inlet 15; Then discharge,, thereby can change the weather side of workpiece 32 in chilling case 11 indirectly because workpiece 32 changes its working direction every now and then from air outlet 16; Each surface on the workpiece 32 can both be cooled off with even velocity fast, obtain the structure of homogeneous microstructure thus.Workpiece 32 after chilling finishes will leave chilling case 11 from dolly outlet 14 with underslung trolley 6, accomplish the process of whole chilling thus.Workpiece 32 will enter into the inside of slow cooling box 17 with underslung trolley 6 from opening for feed 23 afterwards.At this moment, air will get into Gas mixing valve 19 from inlet mouth 29 under the suction of first blower fan 21, change direction of air through this valve; The 4th gas tube 28 of flowing through then; And by first blower fan 21 air is blowed to reversing valve 20, through reversing valve 20 switching-overs after first gas tube 25 with air guide slow cooling box 17, the wind direction of air this moment in slow cooling box 17 is for from left to right; Air is through second gas tube 26 pilot operated directional control valves 20 afterwards, reversing valve 20 once more with airflow-reversing to second blower fan 22.Second blower fan 22 blows to Gas mixing valve 19 with air, and because of the relation of Gas mixing valve 19 valve angles, portion of air will be from the air outlet 30 be discharged; Another part mixes and in the 4th gas tube 28, circulates; Arrive first blower fan 21 after reversing valve 20 commutates, and arrive slow cooling chambers 17 via second gas tube 26, this moment, air flow line was for from right to left; And behind first gas tube 25, arrive reversing valve 20, second blower fan 22 and Gas mixing valve 29 once more, thereby accomplish the switching-over of air in the slow cooling box 17.The method of adjusting Gas mixing valve 19 valve angles capable of using is controlled the air quantity at 30 places, air outlet, thereby can realize the circulation of air in total system.
Claims (2)
1. suspension type isothermal normalizing production line; It is characterized in that: described suspension type isothermal normalizing production line comprises process furnace (1), the gentle cold house (3) of quench chamber (2); Wherein the gentle cold house (3) of process furnace (1) is arranged side by side, and quench chamber (2) is arranged on the left side of the gentle cold house (3) of process furnace (1); Described process furnace (1) comprises body of heater (4), trolley track (5), a plurality of underslung trolley (6) and a plurality of suspension hook (7); Wherein body of heater (4) is made up of inner and outer shell, is filled with thermal insulation layer (8) between the inner and outer shell, is respectively equipped with a discharging fire door (9) and a charging fire door (10) on the left and right side; Trolley track (5) is horizontally set on the inside top surface of body of heater (4) along charging fire door (10) and discharging fire door (9) line direction; A plurality of underslung trolleys (6) are arranged on the trolley track (5) with the mode standoff distance that moves, and a suspension hook (7) is installed on each underslung trolley (6); Quench chamber (2) comprises chilling case (11) and serpentine track (12); Wherein the right flank upper and lower of chilling case (11) is formed with a dolly import (13) and dolly outlet (14) respectively, and front end face is provided with a plurality of blast inlets (15), and aft end face is provided with a plurality of air outlets (16); Serpentine track (12) is arranged on the inside of chilling case (11), and its two ends lay respectively at dolly import (13) and dolly outlet (14) and locate, and is positioned at a end that dolly import (13) locates on the serpentine track (12) and links to each other with trolley track (5) on the process furnace (1); Slow cooling chamber (3) comprises slow cooling box (17), track (18), Gas mixing valve (19), reversing valve (20), first blower fan (21) and second blower fan (22); Wherein slow cooling chamber (3) about end be respectively equipped with an opening for feed (23) and a discharge port (24); Track (18) is horizontally set on the inside top surface of slow cooling box (17) along opening for feed (23) and discharge port (24) line direction, and the serpentine track (12) that dolly outlet (14) is located on the entrance end of track (18) and the chilling case (11) is joined; Gas mixing valve (19), reversing valve (20), first blower fan (21) and second blower fan (22) all are arranged on the outside of slow cooling box (17); Wherein reversing valve (20) links to each other with slow cooling box (17) with second gas tube (26) through first gas tube (25); Join with Gas mixing valve (19) through the 3rd gas tube (27) and the 4th gas tube (28) simultaneously, Gas mixing valve (19) is connected with air outlet (30) with inlet mouth (29) simultaneously; First blower fan (21) and second blower fan (22) then are installed in respectively on the 4th gas tube (28) and the 3rd gas tube (27).
2. suspension type isothermal normalizing production line according to claim 1 is characterized in that: an infrared thermometer (31) also is installed on the described slow cooling box (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205503085U CN202465783U (en) | 2011-12-26 | 2011-12-26 | Suspension-type isothermal normalizing production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205503085U CN202465783U (en) | 2011-12-26 | 2011-12-26 | Suspension-type isothermal normalizing production line |
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| Publication Number | Publication Date |
|---|---|
| CN202465783U true CN202465783U (en) | 2012-10-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205503085U Withdrawn - After Issue CN202465783U (en) | 2011-12-26 | 2011-12-26 | Suspension-type isothermal normalizing production line |
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| Country | Link |
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| CN (1) | CN202465783U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102399953A (en) * | 2011-12-26 | 2012-04-04 | 天津市鼎元工业炉新技术开发有限公司 | Suspended isothermal normalizing production line |
| CN102925635A (en) * | 2012-11-12 | 2013-02-13 | 南京年达炉业科技有限公司 | Rail locomotive bolster lateral frame continuous pushing-disc type heat treatment production line |
-
2011
- 2011-12-26 CN CN2011205503085U patent/CN202465783U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102399953A (en) * | 2011-12-26 | 2012-04-04 | 天津市鼎元工业炉新技术开发有限公司 | Suspended isothermal normalizing production line |
| CN102399953B (en) * | 2011-12-26 | 2013-05-29 | 天津市鼎元工业炉新技术开发有限公司 | Suspended isothermal normalizing production line |
| CN102925635A (en) * | 2012-11-12 | 2013-02-13 | 南京年达炉业科技有限公司 | Rail locomotive bolster lateral frame continuous pushing-disc type heat treatment production line |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20121003 Effective date of abandoning: 20130529 |
|
| RGAV | Abandon patent right to avoid regrant |