CN203474859U - Heat treatment device for austenitic stainless steel billets - Google Patents
Heat treatment device for austenitic stainless steel billets Download PDFInfo
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- CN203474859U CN203474859U CN201320610795.9U CN201320610795U CN203474859U CN 203474859 U CN203474859 U CN 203474859U CN 201320610795 U CN201320610795 U CN 201320610795U CN 203474859 U CN203474859 U CN 203474859U
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Abstract
The utility model discloses a heat treatment device for austenitic stainless steel billets. The heat treatment device comprises a heat treatment furnace (4) and a roller system used for conveying the billets. The roller system comprises a roller carrier (3) and a plurality of rollers (2) arranged on the roller carrier (3). Any two side faces of a hearth of the heat treatment furnace (4) are respectively provided with a furnace door. The roller system is partially located in the hearth, and the hearth is located between two ends of the roller system. The heat treatment device is simple in structure and convenient to manufacture and use. Compared with the prior art, the placement and transportation of the billets to be treated and the billets after thermal preservation will not interfere with each other, and the utilization efficiency of the heat treatment furnace is improved. The billets to be treated are placed on the roller system and can enter and go out of the heat treatment furnace by braking the roller system, and the discomfort brought to production personnel when the production personnel enter the high-temperature environment in the heat treatment furnace can be avoided.
Description
Technical field
The utility model relates to metal heat treatment equipment field, particularly relates to a kind of thermal treatment unit for austenitic stainless steel blank.
Background technology
Take in the pipe fitting processing and making process that austenitic stainless steel is material, for eliminate because of rolling temperature and the speed of cooling of each section of pipe fitting hot rolling wire inconsistent, the weave construction that causes is inconsistent, for eliminating work hardening, make to extend or broken crystal grain crystallization again in the course of processing, the Carbide Precipitation of eliminating internal stress and causing for recovering cold working process, recover stainless steel intrinsic corrosiom resistance energy, in the austenitic stainless steel pipe part production process of having relatively high expectations, all need to carry out stainless steel pipe solution treatment, i.e. anneal.
In prior art, the nucleus equipment of anneal is heat treatment furnace, the existing heat treatment furnace for metal heat treatmet is the body structure that a side is provided with fire door, like this, treating material, from same fire door turnover heat treatment furnace, so just causes the pending and processed material in heat treatment department to stack, transport trouble; In such as austenitic stainless steel solid solution treatment process, stainless steel pipe is heated to after certain temperature, soaking time that even only need be through counting one by one minute, and being cooled to of stainless steel pipe is cooling fast, as adopt water-cooled, so just cause treating material into and out of heat treatment furnace compared to whole heat treatment step, the shared time is long.
Utility model content
For the pending and processed material in heat treatment department in above-mentioned prior art, stack and transportation trouble and in austenitic stainless steel heat treatment step, treating material is into and out of heat treatment furnace compared to whole heat treatment step, the problem that the shared time is long, the utility model provides a kind of thermal treatment unit for austenitic stainless steel blank.
For the problems referred to above, the thermal treatment unit for austenitic stainless steel blank that the utility model provides solves problem by following technical essential: for the thermal treatment unit of austenitic stainless steel blank, comprise heat treatment furnace, also comprise the roller system for material transportation, described roller system comprises turning rolls and a plurality of roller being arranged on turning rolls, described heat treatment furnace burner hearth is provided with a fire door on any two opposite flanks, described roller system is partly positioned at burner hearth, and burner hearth is between the two ends of roller system.
The material that two fire doors that arrange are respectively used to after treating material enters heat treatment furnace and has been incubated shifts out from heat treatment furnace, like this, pending material and be incubated after material lay respectively at the both sides of heat treatment furnace, make treating material and be incubated after material storing and transport the water-cooled that does not interfere with each other, is convenient to simultaneously the material after being incubated; Pending material is placed on roller system, by brake wheel system, realizes treating material into and out of heat treatment furnace, be conducive to avoid producers to enter into the discomfort that the hot environment in heat treatment furnace is brought producers.
Also comprise the roller tooth wheel disc and the tooth bar chain-drive mechanism that equate with described number of rollers, described roller is step shaft shape, on turning rolls, be provided with a plurality of roller open holess, the two ends of each roller all become running fit with a roller open holes, roller tooth wheel disc is fixedly connected on respectively on a roller, described tooth bar chain-drive mechanism comprises drive-motor, speed reduction unit and tooth bar chain, the rotating shaft of described drive-motor is connected with speed reduction unit input terminus, on the output terminal of speed reduction unit, be also fixedly connected with reducer gear dish, tooth bar chain and reducer gear dish and roller tooth wheel disc are intermeshing.
This architecture is simple, the tooth bar chain-drive mechanism arranging and roller tooth wheel disc rotate with respect to roller open holes for driving rolls, motivating force is from drive-motor, the engagement of tooth bar chain and reducer gear dish and roller tooth wheel disc tooth bar and teeth groove makes the synchronized rotation of each roller, the speed reduction unit arranging is for reducing the chain speed of tooth bar chain, the torque capacity that can provide to increase tooth bar chain, the transmission capacity of raising tooth bar chain-drive mechanism.
The rotating shaft of described drive-motor is that belt is connected with the type of attachment of speed reduction unit input terminus.
Adopt belt transmission form to be intended to load when excessive at tooth bar chain-drive mechanism, belt and belt wheel avoid damaging structure or the parts in the utility model by skidding.
Also comprise two cover plates, the cover plate described in two is separately positioned on a fire door place, and wherein upper end and the fire door inwall upper end of a cover plate are articulated and connected, and the upper end of another piece cover plate and fire door outer wall upper end are articulated and connected.
The cover plate arranging plays and stops thermal-radiating effect when the utility model uses, and is intended to reduce heat treatment furnace and passes through the heat of two external radiation losses of fire door when work, is conducive to save energy; The import fire door that the upper end of cover plate and the place of being articulated and connected, fire door inwall upper end are heat treatment furnace, the outlet fire door that the upper end of cover plate and the place of being articulated and connected, fire door outer wall upper end are heat treatment furnace, this kind of type of attachment of employing of two cover plates and fire door, when being intended to material and entering heat treatment furnace, import fire door pin joint along import fire door under the thrust of material rotates, import oven door opening, after material is by import fire door, import fire door is automatically closed under the effect of gravity, when material leaves heat treatment furnace from outlet fire door, outlet fire door course of action is the same.
Described cover plate is sandwich structure, and cover plate comprises extexine and middle layer, described extexine be 3 millimeters to the iron sheet of 5 mm thick, described middle layer be 10 millimeters to the insulation asbestos of 20 mm thick.
This texture quality is light, heat rejection performance is good, the holding frame that the extexine of setting is middle layer, and the middle layer of setting is the main barrier layer that heat is transmitted, the thickness of extexine is chosen and is intended to make cover plate to have good rigidity, is unlikely to produce larger distortion in the used time of doing of being heated and be subject to material power; The inside and outside temperature difference of heat treatment furnace is large, the thickness of middle insulation asbestos be chosen as heat transfer coefficient and cover plate light preferably.
The utlity model has following beneficial effect:
1, two fire doors that arrange are respectively used to the material that treating material enters after heat treatment furnace and insulation complete and shift out from heat treatment furnace, compared to prior art, material after making treating material and being incubated puts and transportation does not interfere with each other, and is conducive to improve the utilising efficiency of heat treatment furnace; Be convenient to the water-cooled of the material after being incubated, thermal material cooling is difficult to have influence on cold material simultaneously.
2, pending material is placed on roller system, by brake wheel system, realizes treating material into and out of heat treatment furnace, be conducive to avoid producers to enter into the discomfort that the hot environment in heat treatment furnace is brought producers.
Accompanying drawing explanation
Fig. 1 is the structural representation of the specific embodiment of thermal treatment unit for austenitic stainless steel blank described in the utility model;
Fig. 2 is the structural representation of a specific embodiment of roller system of the thermal treatment unit for austenitic stainless steel blank described in the utility model.
In figure, each mark is respectively: 1, cover plate, 2, roller, 3, turning rolls, 4, heat treatment furnace, 5, roller tooth wheel disc, 6, drive-motor, 7, speed reduction unit, 8, tooth bar chain, 9, reducer gear dish.
Embodiment
Below in conjunction with embodiment, the utility model is described in further detail, but structure of the present utility model is not limited only to following examples.
Embodiment 1:
As depicted in figs. 1 and 2, thermal treatment unit for austenitic stainless steel blank, comprise heat treatment furnace 4, also comprise the roller system for material transportation, described roller system comprises turning rolls 3 and a plurality of roller 2 being arranged on turning rolls 3, described heat treatment furnace 4 burner hearths are provided with a fire door on any two opposite flanks, and described roller system is partly positioned at burner hearth, and burner hearth is between the two ends of roller system.
The material that two fire doors that arrange are respectively used to after treating material enters heat treatment furnace 4 and has been incubated shifts out from heat treatment furnace 4, like this, pending material and be incubated after material lay respectively at the both sides of heat treatment furnace 4, make treating material and be incubated after material storing and transport the water-cooled that does not interfere with each other, is convenient to simultaneously the material after being incubated; Pending material is placed on roller system, by brake wheel system, realizes treating material into and out of heat treatment furnace, be conducive to avoid producers to enter into the discomfort that the hot environment in heat treatment furnace is brought producers.
Embodiment 2:
The present embodiment is further qualified on the basis of embodiment 1, as depicted in figs. 1 and 2, also comprise the roller tooth wheel disc 5 and the tooth bar chain-drive mechanism that equate with described roller 2 quantity, described roller 2 is step shaft shape, on turning rolls 3, be provided with a plurality of roller open holess, the two ends of each roller 2 all become running fit with a roller open holes, roller tooth wheel disc 5 is fixedly connected on respectively on a roller 2, described tooth bar chain-drive mechanism comprises drive-motor 6, speed reduction unit 7 and tooth bar chain 8, the rotating shaft of described drive-motor 6 is connected with speed reduction unit 7 input terminuss, on the output terminal of speed reduction unit 7, be also fixedly connected with reducer gear dish 9, tooth bar chain 8 is intermeshing with reducer gear dish 9 and roller tooth wheel disc 5.
Further, the rotating shaft of described drive-motor 6 is that belt is connected with the type of attachment of speed reduction unit 7 input terminuss.
This architecture is simple, the tooth bar chain-drive mechanism and the roller tooth wheel disc 5 that arrange rotate with respect to roller open holes for driving rolls 2, motivating force is from drive-motor 6, tooth bar chain 8 makes the synchronized rotation of each roller 2 with the engagement of reducer gear dish 9 and roller tooth wheel disc 5 tooth bars and teeth groove, the speed reduction unit 7 arranging is for reducing the chain speed of tooth bar chain 8, the torque capacity that can provide to increase tooth bar chain 8, the transmission capacity of raising tooth bar chain 8 transmission rigs.
Adopt belt transmission form to be intended to load when excessive at tooth bar chain-drive mechanism, belt and belt wheel avoid damaging structure or the parts in the utility model by skidding.
Embodiment 3:
The present embodiment is further qualified on the basis of embodiment 1, as depicted in figs. 1 and 2, described cover plate 1 is sandwich structure, and cover plate 1 comprises extexine and middle layer, described extexine be 3 millimeters to the iron sheet of 5 mm thick, described middle layer be 10 millimeters to the insulation asbestos of 20 mm thick.
This texture quality is light, heat rejection performance is good, the holding frame that the extexine of setting is middle layer, and the middle layer of setting is the main barrier layer that heat is transmitted, the thickness of extexine is chosen and is intended to make cover plate to have good rigidity, is unlikely to produce larger distortion in the used time of doing of being heated and be subject to material power; The inside and outside temperature difference of heat treatment furnace is large, the thickness of middle insulation asbestos be chosen as heat transfer coefficient and cover plate light preferably.
Claims (5)
1. for the thermal treatment unit of austenitic stainless steel blank, comprise heat treatment furnace (4), it is characterized in that, also comprise the roller system for material transportation, described roller system comprises turning rolls (3) and a plurality of roller (2) being arranged on turning rolls (3), described heat treatment furnace (4) burner hearth is provided with a fire door on any two opposite flanks, and described roller system is partly positioned at burner hearth, and burner hearth is between the two ends of roller system.
2. the thermal treatment unit for austenitic stainless steel blank according to claim 1, it is characterized in that, also comprise the roller tooth wheel disc (5) and the tooth bar chain-drive mechanism that equate with described roller (2) quantity, described roller (2) is step shaft shape, on turning rolls (3), be provided with a plurality of roller open holess, the two ends of each roller (2) all become running fit with a roller open holes, roller tooth wheel disc (5) is fixedly connected on respectively on a roller (2), described tooth bar chain-drive mechanism comprises drive-motor (6), speed reduction unit (7) and tooth bar chain (8), the rotating shaft of described drive-motor (6) is connected with speed reduction unit input terminus, on the output terminal of speed reduction unit, be also fixedly connected with reducer gear dish (9), tooth bar chain (8) is intermeshing with reducer gear dish (9) and roller tooth wheel disc (5).
3. the thermal treatment unit for austenitic stainless steel blank according to claim 2, is characterized in that, the rotating shaft of described drive-motor (6) is that belt is connected with the type of attachment of speed reduction unit (7) input terminus.
4. the thermal treatment unit for austenitic stainless steel blank according to claim 1, it is characterized in that, also comprise two cover plates (1), cover plate described in two (1) is separately positioned on a fire door place, and wherein the upper end of a cover plate (1) and fire door inwall upper end are articulated and connected, the upper end of another piece cover plate (1) and fire door outer wall upper end are articulated and connected.
5. the thermal treatment unit for austenitic stainless steel blank according to claim 4, it is characterized in that, described cover plate (1) is sandwich structure, cover plate (1) comprises extexine and middle layer, described extexine be 3 millimeters to the iron sheet of 5 mm thick, described middle layer be 10 millimeters to the insulation asbestos of 20 mm thick.
Priority Applications (1)
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CN201320610795.9U CN203474859U (en) | 2013-09-30 | 2013-09-30 | Heat treatment device for austenitic stainless steel billets |
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CN201320610795.9U CN203474859U (en) | 2013-09-30 | 2013-09-30 | Heat treatment device for austenitic stainless steel billets |
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CN201320610795.9U Expired - Fee Related CN203474859U (en) | 2013-09-30 | 2013-09-30 | Heat treatment device for austenitic stainless steel billets |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109207701A (en) * | 2018-11-06 | 2019-01-15 | 杨胜 | A kind of stainless steel bars annealing device |
CN109425230A (en) * | 2017-08-25 | 2019-03-05 | 张跃 | A kind of furnace body is adaptive to answer the door |
CN113293274A (en) * | 2021-05-19 | 2021-08-24 | 江西耐乐铜业有限公司 | Special material frame for annealing of oxygen-free copper pipe |
-
2013
- 2013-09-30 CN CN201320610795.9U patent/CN203474859U/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109425230A (en) * | 2017-08-25 | 2019-03-05 | 张跃 | A kind of furnace body is adaptive to answer the door |
CN109425230B (en) * | 2017-08-25 | 2021-02-19 | 张跃 | Furnace body self-adaptation door |
CN109207701A (en) * | 2018-11-06 | 2019-01-15 | 杨胜 | A kind of stainless steel bars annealing device |
CN113293274A (en) * | 2021-05-19 | 2021-08-24 | 江西耐乐铜业有限公司 | Special material frame for annealing of oxygen-free copper pipe |
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Granted publication date: 20140312 Termination date: 20140930 |
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