CN114657355B - Cold rolling annealing furnace - Google Patents
Cold rolling annealing furnace Download PDFInfo
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- CN114657355B CN114657355B CN202210322313.3A CN202210322313A CN114657355B CN 114657355 B CN114657355 B CN 114657355B CN 202210322313 A CN202210322313 A CN 202210322313A CN 114657355 B CN114657355 B CN 114657355B
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- channel
- roller
- heating
- annealing furnace
- cooling system
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- 238000000137 annealing Methods 0.000 title claims abstract description 27
- 238000005097 cold rolling Methods 0.000 title claims abstract description 18
- 238000010438 heat treatment Methods 0.000 claims abstract description 51
- 238000001816 cooling Methods 0.000 claims abstract description 36
- 239000000110 cooling liquid Substances 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000012545 processing Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 239000012809 cooling fluid Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0056—Furnaces through which the charge is moved in a horizontal straight path
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/26—Methods of annealing
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
- C21D1/767—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material with forced gas circulation; Reheating thereof
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
The invention provides a cold-rolling annealing furnace, which comprises a frame, a conveying device and a heating device, wherein the conveying device is arranged on the frame; the conveying device comprises a cooling system and a plurality of carrier roller structures; the cooling system is arranged on the frame, and two ends of the carrier roller structure are respectively connected with the cooling system; the cooling system is used for controlling the temperature of the carrier roller structure; the heating device is arranged on the frame, a first channel is arranged in the heating device, and the first channel passes through the heating device; the heating device is used for heating the workpiece in the first channel; the conveyor is used for driving the workpiece to pass through the first channel. The invention solves the problem of low cooling efficiency of natural cooling in the traditional annealing furnace, and has the advantages of simple structure and low manufacturing cost.
Description
Technical Field
The invention relates to the field of heat treatment equipment, in particular to a cold-rolling annealing furnace.
Background
Annealing is a common process in the processing of materials, and in order to achieve certain characteristics, such as increasing the plasticity of the workpiece by decreasing its hardness, the workpiece needs to be heated, then held for a period of time, and then cooled slowly to achieve such properties. The annealing furnace is an essential processing device for annealing processing.
However, the conventional annealing furnace has the problem of low cooling efficiency of natural cooling.
Disclosure of Invention
Based on the above, in order to solve the problem of low cooling efficiency of natural cooling in the traditional annealing furnace, the invention provides a cold-rolling annealing furnace, which has the following specific technical scheme:
a cold-rolling annealing furnace comprises
A frame;
a conveyor comprising a cooling system and a plurality of idler structures; the cooling system is arranged on the frame, and two ends of the carrier roller structure are respectively connected with the cooling system; the cooling system is used for controlling the temperature of the carrier roller structure;
the heating device is arranged on the rack, a first channel is arranged in the heating device, and the first channel penetrates through the heating device; the heating device is used for heating the workpiece in the first channel; the conveyor is used for driving the workpiece to pass through the first channel.
The cold-rolling annealing furnace is provided with the conveying device, so that the workpiece is conveyed into the heating device for heating; because the work piece is placed on the bearing roller structure, reduce the temperature of bearing roller structure through cooling system, form temperature difference between bearing roller structure and the work piece, the heat transfer on the work piece is to the bearing roller structure, and cooling system is with heat transfer to external world again, realizes accelerating the work piece cooling. The cold-rolling annealing furnace solves the problem that the cooling efficiency of natural cooling exists in the traditional annealing furnace.
Further, the frame comprises a base and two fixing blocks which are arranged on the base, wherein the fixing blocks are arranged at intervals and form a first gap.
Further, the heating device comprises a heating structure and a shell, the first channel is arranged in the shell, and the first channel is communicated with the first gap; the heating structure is connected with the shell and communicated with the first channel; the heating structure is used for inputting hot air into the first channel.
Further, the heating structure comprises a conveying component, a driving piece and a heating furnace which are sequentially connected; the conveying assembly is provided with a plurality of output ends which are all connected with the shell; the driving piece is used for driving hot air in the heating furnace to pass through the conveying assembly and be introduced into the first channel.
Further, the conveying assembly comprises a main runner and a plurality of branch runners; one end of the sub-runner is connected with the main runner, and the other end of the sub-runner is connected with the shell and communicated with the first channel; the main flow passage is connected with the driving piece.
Further, a valve is arranged on the split runner and used for controlling the communication state of the split runner and the first channel.
Further, the carrier roller structure comprises a roller and a rotating assembly; the rotating assembly comprises a roller and a waterproof piece; the roller comprises an outer ring, a ball and an inner ring; the inner ring is inserted into the outer ring, a first sliding groove is formed in the outer surface of the inner ring, and a second sliding groove is formed in the inner surface of the outer ring; a second gap is formed between the first chute and the second chute; the ball is inserted into the second gap, and the ball is respectively connected with the outer ring and the inner ring in a rotating way.
Further, a third chute is also arranged on the outer ring; the waterproof piece is arranged between the outer ring and the inner ring; one end of the waterproof piece is connected with the outer surface of the inner ring, and the other end of the waterproof piece is inserted into the third sliding groove and is in sliding connection with the third sliding groove; the waterproof piece is arranged on two sides of the ball.
Further, the rollers are respectively embedded in the two fixed blocks, the outer rings of the rollers are connected with the fixed blocks, two ends of the rollers are respectively in one-to-one correspondence with one inner ring and are inserted into the inner rings, and the rollers are connected with the inner rings.
Further, the roller is arranged in a hollow manner, and the cooling system comprises an output pipe, a driving block and an input pipe which are connected in sequence; the output pipe is arranged in one fixed block, and the input pipe is arranged in the other fixed block; the input pipe is provided with an input end which is communicated with one end of the roller; the output pipe is provided with an output end which is communicated with the other end of the roller; the driving block is used for driving the cooling liquid to sequentially pass through the output pipe, the output end, the roller, the input end and the input pipe.
Drawings
The invention will be further understood from the following description taken in conjunction with the accompanying drawings. The components in the figures are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the embodiments. Like reference numerals designate corresponding parts throughout the different views.
FIG. 1 is a schematic view showing a structure of a cold-rolling annealing furnace according to an embodiment of the present invention;
FIG. 2 is a sectional view showing a rotating assembly of a schematic structural view of a cold-rolling annealing furnace according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view showing a transfer device of a cold-rolling annealing furnace according to an embodiment of the present invention;
fig. 4 is an enlarged view of a portion a of fig. 2.
Reference numerals illustrate:
1-a frame; 11-a base; 12-fixing blocks; 2-a conveying device; 21-a cooling system; 22-carrier roller structure; 221-roller; 222-a rotating assembly; 3-a heating device; 31-heating structure; 311-a transport assembly; 32-a housing; 4-a main runner; 5-a sub-runner; 6-valve; 7-an outer ring; 8-balls; 9-an inner ring; 10-a first chute; 13-a second chute; 14-a third chute; 15-a roller; 16-a waterproof member; 17-output tube; 18-an input tube; 19-a first abutment; 20-a second abutment.
Detailed Description
The present invention will be described in further detail with reference to the following examples thereof in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the detailed description and specific examples are intended for purposes of illustration only and are not intended to limit the scope of the invention.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
The terms "first" and "second" in this specification do not denote a particular quantity or order, but rather are used for distinguishing between similar or identical items.
As shown in fig. 1 and 3, a cold-rolling annealing furnace according to an embodiment of the present invention includes a frame 1, a conveyor 2, and a heating device 3; the conveyor 2 comprises a cooling system 21 and a plurality of idler structures 22; the cooling system 21 is arranged on the frame 1, and two ends of the carrier roller structure 22 are respectively connected with the cooling system 21; the cooling system 21 is used for controlling the temperature of the carrier roller structure 22; the heating device 3 is arranged on the frame 1, a first channel is arranged in the heating device 3, and the first channel passes through the heating device 3; the heating device 3 is used for heating the workpiece in the first channel; the conveyor 2 is used to drive the work pieces through the first passage.
The cold-rolling annealing furnace is provided with the conveying device 2, so that the workpiece is conveyed into the heating device 3 for heating; because the work piece is placed on bearing roller structure 22, reduces the temperature of bearing roller structure 22 through cooling system 21, forms the temperature difference between bearing roller structure 22 and the work piece, and the heat on the work piece transmits to bearing roller structure 22, and cooling system 21 transmits the heat to the external world again, realizes accelerating the work piece cooling. The cold-rolling annealing furnace solves the problem that the cooling efficiency of natural cooling exists in the traditional annealing furnace.
In one embodiment, as shown in fig. 1, the rack 1 includes a base 11 and two fixing blocks 12 that are all disposed on the base 11, where the fixing blocks 12 are disposed at intervals and form a first gap; the heating device 3 comprises a heating structure 31 and a shell 32, the first channel is arranged in the shell 32, and the first channel is communicated with the first gap; the heating structure 31 is connected to the housing 32 and communicates with the first passage; the heating structure 31 is used for feeding hot air into the first passage. In this way, the heating of the workpiece is achieved by feeding hot gas 31 into the first passage.
In one embodiment, as shown in fig. 1, the heating structure 31 includes a conveying assembly 311, a driving member, and a heating furnace connected in sequence; the conveying assembly 311 is provided with a plurality of output ends which are all connected with the shell 32; the driving piece is used for driving hot air in the heating furnace to pass through the conveying assembly 311 and be introduced into the first channel; the conveying assembly 311 comprises a main runner 4 and a plurality of sub-runners 5; one end of the split runner 5 is connected with the main runner 4, and the other end of the split runner 5 is connected with the housing 32 and is communicated with the first channel; the main flow channel 4 is connected with the driving piece; the split runner 5 is provided with a valve 6, and the valve 6 is used for controlling the communication state of the split runner 5 and the first channel. In this way, the plurality of the flow dividing channels 5 are connected with the shell 32, so that the temperature in the first channel is prevented from being consistent, and the yield of the workpiece is prevented from being influenced.
Specifically, a plurality of temperature sensors are disposed in the housing 32, and the plurality of temperature sensors are disposed on the inner wall of the housing 32 at intervals along the length direction of the first channel; each corresponding to a valve 6. The temperature sensors are used for monitoring the temperatures at different positions in the shell 32, so that the air inflow of hot air is controlled through the valve 6, and the problem that the workpiece temperatures in the first channel are inconsistent, so that the performance gap between the workpieces is large is avoided.
In one embodiment, as shown in fig. 2 and 4, the idler structure 22 includes a roller 221 and a rotating assembly 222; the rotating assembly 222 comprises a roller 15 and a waterproof piece 16; the roller 15 comprises an outer ring 7, balls 8 and an inner ring 9; the inner ring 9 is inserted into the outer ring 7, a first sliding groove 10 is formed in the outer surface of the inner ring 9, and a second sliding groove 13 is formed in the inner surface of the outer ring 7; a second gap is formed between the first chute 10 and the second chute 13; the balls 8 are inserted into the second gaps, and the balls 8 are respectively and rotatably connected with the outer ring 7 and the inner ring 9; a third chute 14 is also arranged on the outer ring 7; the waterproof piece 16 is arranged between the outer ring 7 and the inner ring 9; one end of the waterproof piece 16 is connected with the outer surface of the inner ring 9, and the other end of the waterproof piece 16 is inserted into the third sliding groove 14 and is in sliding connection with the third sliding groove 14; the waterproof members 16 are provided on both sides of the ball 8. In this way, by providing the waterproof member 16, the coolant is prevented from flowing out from between the second gaps.
Specifically, as shown in fig. 4, the waterproof member 16 includes a body, a first abutting portion 19 and a second abutting portion 20; the body, the first abutting part 19 and the second abutting part 20 are connected in a Y shape; the first abutting part 19 is inserted into the third chute 14 and is in sliding connection with the third chute 14; the second abutting portion 20 abuts against the inner surface of the outer ring 7; in this way, the first abutting portion 19 and the second abutting portion 20 are mutually supported, and a two-layer waterproof structure is formed, so that leakage of the cooling liquid is avoided.
In one embodiment, as shown in fig. 1 to 3, the rollers 15 are respectively embedded in the two fixed blocks 12, the outer ring 7 of the roller 15 is connected with the fixed blocks 12, two ends of the roller 221 are respectively corresponding to one inner ring 9 one by one and are inserted into the inner ring 9, and the roller 221 is connected with the inner rings 9; the roller 221 is hollow, and the cooling system 21 comprises an output pipe 17, a driving block and an input pipe 18 which are sequentially connected; the output pipe 17 is arranged in one fixed block 12, and the input pipe 18 is arranged in the other fixed block 12; the input pipe 18 is provided with an input end which is communicated with one end of the roller 221; an output end is arranged on the output pipe 17 and is communicated with the other end of the roller 221; the driving block is used for driving the cooling liquid to sequentially pass through the output pipe 17, the output end, the roller 221, the input end and the input pipe 18. In this way, by circulating the cooling fluid through the output pipe 17, the output end, the roller 221, the input end and the input pipe 18, a reduction in the heat of the roller 221 and, consequently, in the temperature of the workpiece is achieved.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (5)
1. A cold-rolling annealing furnace is characterized by comprising
A frame;
a conveyor comprising a cooling system and a plurality of idler structures; the cooling system is arranged on the frame, and two ends of the carrier roller structure are respectively connected with the cooling system; the cooling system is used for controlling the temperature of the carrier roller structure;
the heating device is arranged on the rack, a first channel is arranged in the heating device, and the first channel penetrates through the heating device; the heating device is used for heating the workpiece in the first channel; the conveying device is used for driving the workpiece to pass through the first channel;
the frame comprises a base and two fixed blocks which are arranged on the base, wherein the fixed blocks are arranged at intervals and form a first gap;
the heating device comprises a heating structure and a shell, the first channel is arranged in the shell, and the first channel is communicated with the first gap; the heating structure is connected with the shell and communicated with the first channel; the heating structure is used for inputting hot air into the first channel;
the heating structure comprises a conveying assembly, a driving piece and a heating furnace which are sequentially connected; the conveying assembly is provided with a plurality of output ends which are all connected with the shell; the driving piece is used for driving hot air in the heating furnace to pass through the conveying assembly and be introduced into the first channel;
the conveying assembly comprises a main runner and a plurality of split runners; one end of the sub-runner is connected with the main runner, and the other end of the sub-runner is connected with the shell and communicated with the first channel; the main flow channel is connected with the driving piece;
the split flow channel is provided with a valve, and the valve is used for controlling the communication state of the split flow channel and the first channel.
2. The cold-rolled annealing furnace according to claim 1, wherein the carrier roller structure comprises a roller and a rotating assembly; the rotating assembly comprises a roller and a waterproof piece; the roller comprises an outer ring, a ball and an inner ring; the inner ring is inserted into the outer ring, a first sliding groove is formed in the outer surface of the inner ring, and a second sliding groove is formed in the inner surface of the outer ring; a second gap is formed between the first chute and the second chute; the ball is inserted into the second gap, and the ball is respectively connected with the outer ring and the inner ring in a rotating way.
3. The cold-rolling annealing furnace according to claim 2, wherein a third chute is further provided on the outer ring; the waterproof piece is arranged between the outer ring and the inner ring; one end of the waterproof piece is connected with the outer surface of the inner ring, and the other end of the waterproof piece is inserted into the third sliding groove and is in sliding connection with the third sliding groove; the waterproof piece is arranged on two sides of the ball.
4. The cold-rolling annealing furnace according to claim 3, wherein the rolling shafts are respectively buried in the two fixed blocks, the outer ring of the rolling shafts is connected with the fixed blocks, two ends of the roller are respectively in one-to-one correspondence with one inner ring and are inserted into the inner rings, and the roller is connected with the inner rings.
5. The cold-rolling annealing furnace according to claim 4, wherein the roller is hollow, and the cooling system comprises an output pipe, a driving block and an input pipe which are connected in sequence; the output pipe is arranged in one fixed block, and the input pipe is arranged in the other fixed block; the input pipe is provided with an input end which is communicated with one end of the roller; the output pipe is provided with an output end which is communicated with the other end of the roller; the driving block is used for driving the cooling liquid to sequentially pass through the output pipe, the output end, the roller, the input end and the input pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210322313.3A CN114657355B (en) | 2022-03-29 | 2022-03-29 | Cold rolling annealing furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210322313.3A CN114657355B (en) | 2022-03-29 | 2022-03-29 | Cold rolling annealing furnace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114657355A CN114657355A (en) | 2022-06-24 |
| CN114657355B true CN114657355B (en) | 2024-02-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210322313.3A Active CN114657355B (en) | 2022-03-29 | 2022-03-29 | Cold rolling annealing furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114657355B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100775497B1 (en) * | 2006-12-18 | 2007-11-12 | 주식회사 포스코 | Apparatus for annealing furnace having a active cooling system for heat interception |
| CN101358275A (en) * | 2008-09-03 | 2009-02-04 | 杭州金舟电炉有限公司 | Upper layer heat exchange type continuous annealing furnace |
| CN104818370A (en) * | 2015-03-13 | 2015-08-05 | 宁波德艺钢管制造有限公司 | Annealing furnace |
| KR20180041393A (en) * | 2016-10-14 | 2018-04-24 | 주식회사 태인스포먼트 | Induction heating process system for steel product |
| CN210560602U (en) * | 2019-04-02 | 2020-05-19 | 苏州辽鞍机械有限公司 | Continuous roller furnace system for track shoe |
| CN213951288U (en) * | 2020-12-22 | 2021-08-13 | 浙江永立钢业有限公司 | Annealing production line for tube blank |
-
2022
- 2022-03-29 CN CN202210322313.3A patent/CN114657355B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100775497B1 (en) * | 2006-12-18 | 2007-11-12 | 주식회사 포스코 | Apparatus for annealing furnace having a active cooling system for heat interception |
| CN101358275A (en) * | 2008-09-03 | 2009-02-04 | 杭州金舟电炉有限公司 | Upper layer heat exchange type continuous annealing furnace |
| CN104818370A (en) * | 2015-03-13 | 2015-08-05 | 宁波德艺钢管制造有限公司 | Annealing furnace |
| KR20180041393A (en) * | 2016-10-14 | 2018-04-24 | 주식회사 태인스포먼트 | Induction heating process system for steel product |
| CN210560602U (en) * | 2019-04-02 | 2020-05-19 | 苏州辽鞍机械有限公司 | Continuous roller furnace system for track shoe |
| CN213951288U (en) * | 2020-12-22 | 2021-08-13 | 浙江永立钢业有限公司 | Annealing production line for tube blank |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114657355A (en) | 2022-06-24 |
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Effective date of registration: 20240506 Address after: 528500 Office Building, 2nd Floor, No. 233 Yangxi Avenue, Yanghe Town, Gaoming District, Foshan City, Guangdong Province (Residence Declaration) Patentee after: Foshan Jianchuang Precision Steel Strip Co.,Ltd. Country or region after: China Address before: No.11, Sanzhou Minghua Road, Hecheng street, Gaoming District, Foshan City, Guangdong Province, 528500 Patentee before: Foshan Gaoming suichuangye cold rolled strip Co.,Ltd. Country or region before: China |