CN113617990B - Method for uniformly heating cylindrical steel billet for forging - Google Patents
Method for uniformly heating cylindrical steel billet for forging Download PDFInfo
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- CN113617990B CN113617990B CN202110928565.6A CN202110928565A CN113617990B CN 113617990 B CN113617990 B CN 113617990B CN 202110928565 A CN202110928565 A CN 202110928565A CN 113617990 B CN113617990 B CN 113617990B
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- billet
- cylindrical steel
- forging
- heating
- cylindrical
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J1/00—Preparing metal stock or similar ancillary operations prior, during or post forging, e.g. heating or cooling
- B21J1/06—Heating or cooling methods or arrangements specially adapted for performing forging or pressing operations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J13/00—Details of machines for forging, pressing, or hammering
- B21J13/08—Accessories for handling work or tools
- B21J13/10—Manipulators
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J17/00—Forge furnaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K27/00—Handling devices, e.g. for feeding, aligning, discharging, Cutting-off means; Arrangement thereof
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/10—Reduction of greenhouse gas [GHG] emissions
- Y02P10/143—Reduction of greenhouse gas [GHG] emissions of methane [CH4]
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Forging (AREA)
Abstract
The invention discloses a method for uniformly heating cylindrical steel billets for forging, which comprises the following steps: (1) Location frock around making, the structure of location frock includes around the manufacturing: the top of the vertical rod is connected with the tail of the cross rod, and the top of the cross rod is connected with the steel ring; fixing the bottom of a vertical rod of a front and back positioning tool on the top end of a manipulator of a feeding and discharging manipulator; (2) In the left side and the right side of the natural gas forging heating furnace, the flame ports on one side can be used for carrying out flame spraying heating on the upper half part of the cylindrical steel billet, and the flame ports on the other side can be used for carrying out flame spraying heating on the lower half part of the cylindrical steel billet; (3) The gas suction power is increased when the flame thrower on the short side of the natural gas forging heating furnace sucks gas in the furnace; (4) The bottoms of the left side and the right side of the natural gas forging heating furnace are respectively provided with a row of small flame ports. The method can quickly and uniformly heat the cylindrical steel billet for forging, thereby reducing the rejection rate of the steel billet, saving energy and greatly reducing the production cost.
Description
Technical Field
The invention relates to the field of forging, in particular to a method for uniformly heating cylindrical steel billets for forging.
Background
The columnar billet needs to be vertically placed in a natural gas forging heating furnace for heating before forging, the columnar billet is placed in the natural gas forging heating furnace by a manipulator clamp of an operator operating a feeding and discharging manipulator, the space of the natural gas forging heating furnace is fully utilized, multiple rows of columnar billets can be placed in the natural gas forging heating furnace for heating simultaneously, each row of columnar billets are formed by aligning and arranging multiple columnar billets front and back, due to the fact that no visual field is shielded, the left and right distances between every two adjacent rows of columnar billets can be uniformly distributed and reach the standard by the operator, the situation that the heating of the columnar billets is influenced due to the fact that the left and right adjacent two columnar billets are too close can be prevented, the front and back distances between every two adjacent columnar billets in each row can not be well controlled by the operator due to the fact that the visual field is shielded, the front and back distances between every two adjacent columnar billets in each row are uneven, some distances are too large and some distances are too small, and uniform heating of the columnar billets is not facilitated.
The bocca in the natural gas forging heating furnace links to each other with the hybrid chamber, the hybrid chamber is used for mixing natural gas and air, the hybrid chamber still links to each other with natural gas line and air conduit respectively, air conduit links to each other with the fan, during the heating, the fan blast air, the natural gas line air feed for natural gas and air intensive mixing in the hybrid chamber, then ignite the bocca by the bocca, when not heating, natural gas line can stop the air feed, the fan can convulsions, make the bocca can be with the flue gas in the stove discharge of siphoning away.
When the columnar billet is vertically placed in the heating furnace for heating, the bottom of the columnar billet is far away from the fire-spraying opening, and the bottom of the columnar billet is contacted with the furnace bottom, so that the bottom of the columnar billet cannot be heated well, the billet cannot be used for forging due to the fact that the billet is not heated uniformly, the billet can be scrapped, and the production cost can be greatly increased.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: a method for uniformly heating a columnar billet for forging, which can uniformly heat a columnar billet for forging.
In order to solve the problems, the technical scheme adopted by the invention is as follows: the method for uniformly heating the cylindrical steel billet for forging is characterized by comprising the following steps of: the method comprises the following steps: (1) Location frock around making, the structure of location frock includes around: the top of the vertical rod is connected with the tail of the cross rod, and the top of the cross rod is connected with the steel ring; the bottom of a vertical rod of a front and back positioning tool is fixed on the top end of a manipulator of a feeding and discharging manipulator, so that the manipulator clamps cylindrical billets and then steel rings can be positioned above the cylindrical billets, when an operator operates the manipulator to align the clamped cylindrical billets with the cylindrical billets in a heating furnace in the front and back directions and places the clamped cylindrical billets in a natural gas forging heating furnace, the operator can judge whether the front and back distances of the cylindrical billets to be placed and the placed cylindrical billets reach the standard or not by judging whether the steel rings move to the positions above the cylindrical billets needing to be aligned in the heating furnace or not, when the steel rings move to the positions above the placed cylindrical billets needing to be aligned, the front and back distances between the two cylindrical billets reach the standard, at the moment, the operator can put down the clamped cylindrical billets, and thus the situation that the two front and back adjacent cylindrical billets are too close to influence the heating of the cylindrical billets can be prevented; (2) In the left side and the right side of the natural gas forging heating furnace, the height of the flame ports on one side is set to enable the flame ports on the side to be subjected to flame-blasting heating towards the upper half part of the cylindrical steel blank, and the height of the flame ports on the other side is set to enable the flame ports on the side to be subjected to flame-blasting heating towards the lower half part of the cylindrical steel blank; (3) The gas suction power is increased when the flame ports on the lower side of the natural gas forging heating furnace suck gas in the furnace, so that the heat at the high position in the heating furnace can be downwards sucked and the bottom of the billet steel is heated through the bottom of the columnar billet steel; (4) The bottom of the left side and the bottom of the natural gas forging heating furnace are respectively and additionally provided with a row of small flame ports capable of carrying out flame heating on the bottom of the cylindrical steel billet.
Further, the method for uniformly heating a columnar billet for forging includes: the method further comprises the following steps: the thermocouple inserted in the natural gas forging heating furnace and used for detecting the furnace temperature is improved, a scale mark is arranged on a rod body of the thermocouple along the rod body, then a lantern ring is sleeved on the rod body of the thermocouple, a screw is connected with the lantern ring in a threaded manner, the lantern ring and the thermocouple can be fixed after the screw tightly pushes against the rod body of the thermocouple, a plurality of supporting legs which are arranged around the lantern ring and are diverged outwards are arranged on the lantern ring, and when the thermocouple is inserted in the natural gas forging heating furnace, the supporting legs can be abutted against the wall of the heating furnace to limit the insertion depth of the thermocouple.
Further, the method for uniformly heating a columnar billet for forging includes: the air suction power of the flame-throwing port at the short side is increased by 40-60% compared with the air suction power of the flame-throwing port at the other side.
Further, the method for uniformly heating a columnar billet for forging includes: the flame range of the small flame ports is 1/8-1/4 of the height of the cylindrical billet.
Further, the method for uniformly heating a columnar billet for forging includes: the structure of the cross bar comprises: the first transverse pipe and the second transverse pipe are inserted into the first transverse pipe, a first bolt is connected to the first transverse pipe in a threaded mode, and the first bolt can be abutted against the second transverse pipe after being screwed in to enable the first transverse pipe and the second transverse pipe to be fixed; the structure of montant includes: the second vertical pipe is inserted into the first vertical pipe, a second bolt is connected to the first vertical pipe in a threaded manner, and the second bolt can be propped against the second vertical pipe after being screwed in so that the first vertical pipe and the second vertical pipe are fixed; the first vertical pipe is fixed with the top end of the manipulator, the top end of the second vertical pipe is fixed with the tail end of the first horizontal pipe, and the top end of the second horizontal pipe is fixed with the steel ring.
The invention has the advantages that: the uniform heating method of the columnar billet for forging can rapidly and uniformly heat the columnar billet for forging, thereby reducing the rejection rate of the billet and saving energy, and greatly reducing the production cost.
Drawings
Fig. 1 is a schematic structural diagram of an improved thermocouple according to the present invention.
Fig. 2 is a schematic structural view of the front-rear positioning tool.
Detailed Description
The present invention will be described in further detail below with reference to specific embodiments and the attached drawings.
A method for uniformly heating a cylindrical steel billet for forging, comprising the following steps: (1) Location frock around making, the structure of location frock includes around: the top of the vertical rod is connected with the tail of the cross rod, and the top of the cross rod is connected with the steel ring; the bottom of a vertical rod of a front and back positioning tool is fixed on the top end of a manipulator of a feeding and discharging manipulator, so that a steel ring can be positioned above the cylindrical steel billet after the manipulator clamps the cylindrical steel billet, when an operator operates the manipulator to align the clamped cylindrical steel billet with the cylindrical steel billet in a heating furnace in a front and back manner and places the clamped cylindrical steel billet in a natural gas forging heating furnace, the operator can judge whether the front and back distances between the cylindrical steel billet to be placed and the placed cylindrical steel billet reach the standard or not by judging whether the steel ring moves to the position above the cylindrical steel billet to be aligned in the heating furnace or not, when the steel ring moves to the position above the placed cylindrical steel billet to be aligned, the front and back distances between the two cylindrical steel billets reach the standard, the operator can put down the clamped cylindrical steel billet at the moment, and thus the situation that the heating of the cylindrical steel billet is influenced by the fact that the two adjacent cylindrical steel billets are too close to each other in the front and back is avoided; (2) In the left side and the right side of the natural gas forging heating furnace, the height of the fire-jet on one side is set to enable the fire-jet on the side to be in fire-jet heating towards the upper half part of the cylindrical billet, and the height of the fire-jet on the other side is set to enable the fire-jet on the side to be in fire-jet heating towards the lower half part of the cylindrical billet; (3) The gas suction power is increased when the flame ports on the lower side of the natural gas forging heating furnace suck gas in the furnace, so that the heat at the high position in the heating furnace can be downwards sucked and the bottom of the billet steel is heated through the bottom of the columnar billet steel; (4) A row of small flame ports (5) capable of carrying out flame heating on the bottoms of cylindrical steel blanks are additionally arranged at the bottoms of the left side and the right side of a natural gas forging heating furnace respectively, as shown in figure 1, a thermocouple 1 inserted in a natural gas forging heating furnace 4 and used for detecting the furnace temperature is improved, scale marks are arranged on a rod body of the thermocouple 1 along the rod body, then a lantern ring 2 is sleeved on the rod body of the thermocouple 1, a screw is connected to the lantern ring 2 in a threaded mode, the lantern ring 2 can be fixed with the thermocouple 1 after the screw is tightly pressed against the rod body of the thermocouple 1, three outwards-divergent supporting legs 3 arranged around the lantern ring 2 are arranged on the lantern ring 2, when the thermocouple 1 is inserted in the natural gas forging heating furnace 4, the supporting legs 3 can abut against the heating furnace to limit the insertion depth of the thermocouple 1, the insertion depth of the thermocouple 1 can be guaranteed after the arrangement, the temperature can be measured more accurately, and the scale marks on the rod body of the thermocouple 1 are used for reading the insertion depth of the thermocouple 1.
In the present embodiment, the suction power of the short-side burner is increased by 40 to 60% as compared with the suction power of the other-side burner. The flame range of the small flame ports is 1/8-1/4 of the height of the cylindrical billet.
As shown in fig. 2, the structure of the cross bar 5 includes: the cross pipe fixing device comprises a first cross pipe 51 and a second cross pipe 52, wherein the second cross pipe 52 is inserted into the first cross pipe 51, a first bolt 53 is connected to the first cross pipe 51 in a threaded mode, and the first bolt 53 can be abutted against the second cross pipe 52 after being screwed in so that the first cross pipe 51 and the second cross pipe 52 are fixed; the structure of the vertical rod 6 includes: the second vertical pipe 62 is inserted into the first vertical pipe 61, a second bolt 63 is connected to the first vertical pipe 61 through a thread, and the second bolt 63 can be propped against the second vertical pipe 62 after being screwed in, so that the first vertical pipe 61 and the second vertical pipe 62 are fixed; the first vertical pipe 61 is fixed with the top end of the manipulator, the top end of the second vertical pipe 62 is fixed with the tail end of the first horizontal pipe 51, and the top end of the second horizontal pipe 52 is fixed with the steel ring 7, so that the steel ring 7 can be detached when the steel ring 7 is not used after the arrangement.
Claims (5)
1. The method for uniformly heating the cylindrical steel billet for forging is characterized by comprising the following steps of: the method comprises the following steps: (1) Location frock around making, the structure of location frock includes around the manufacturing: the top of the vertical rod is connected with the tail of the cross rod, and the top of the cross rod is connected with the steel ring; the bottom of a vertical rod of a front and back positioning tool is fixed on the top end of a manipulator of a feeding and discharging manipulator, so that a steel ring can be positioned above the cylindrical steel billet after the manipulator clamps the cylindrical steel billet, when an operator operates the manipulator to align the clamped cylindrical steel billet with the cylindrical steel billet in a heating furnace in a front and back manner and places the clamped cylindrical steel billet in a natural gas forging heating furnace, the operator can judge whether the front and back distances between the cylindrical steel billet to be placed and the placed cylindrical steel billet reach the standard or not by judging whether the steel ring moves to the position above the cylindrical steel billet to be aligned in the heating furnace or not, when the steel ring moves to the position above the placed cylindrical steel billet to be aligned, the front and back distances between the two cylindrical steel billets reach the standard, the operator can put down the clamped cylindrical steel billet at the moment, and thus the situation that the heating of the cylindrical steel billet is influenced by the fact that the two adjacent cylindrical steel billets are too close to each other in the front and back is avoided; (2) In the left side and the right side of the natural gas forging heating furnace, the height of the flame ports on one side is set to enable the flame ports on the side to be subjected to flame-blasting heating towards the upper half part of the cylindrical steel blank, and the height of the flame ports on the other side is set to enable the flame ports on the side to be subjected to flame-blasting heating towards the lower half part of the cylindrical steel blank; (3) The flame ports on the lower side of the natural gas forging heating furnace increase the air suction power when the furnace sucks air, so that the heat at the high position in the heating furnace can be sucked downwards and heats the bottom of the billet through the bottom of the cylindrical billet; (4) The bottom of the left side and the bottom of the natural gas forging heating furnace are respectively and additionally provided with a row of small flame ports capable of carrying out flame heating on the bottom of the cylindrical steel billet.
2. The method of uniformly heating a columnar billet for forging as set forth in claim 1, wherein: the method further comprises the following steps: the thermocouple inserted in the natural gas forging heating furnace and used for detecting the furnace temperature is improved, a scale mark is arranged on a rod body of the thermocouple along the rod body, then a lantern ring is sleeved on the rod body of the thermocouple, a screw is connected with the lantern ring in a threaded manner, the lantern ring and the thermocouple can be fixed after the screw tightly pushes against the rod body of the thermocouple, a plurality of supporting legs which are arranged around the lantern ring and are diverged outwards are arranged on the lantern ring, and when the thermocouple is inserted in the natural gas forging heating furnace, the supporting legs can be abutted against the wall of the heating furnace to limit the insertion depth of the thermocouple.
3. The method of uniformly heating a cylindrical billet for forging according to claim 1 or 2, wherein: the air suction power of the flame-throwing port at the short side is increased by 40-60% compared with the air suction power of the flame-throwing port at the other side.
4. The method of uniformly heating a cylindrical billet for forging according to claim 1 or 2, wherein: the flame range of the small flame ports is 1/8-1/4 of the height of the cylindrical billet.
5. The method of uniformly heating a cylindrical billet for forging according to claim 1 or 2, wherein: the structure of the cross bar comprises: the first transverse pipe and the second transverse pipe are inserted into the first transverse pipe, a first bolt is connected to the first transverse pipe in a threaded mode, and the first bolt can be abutted against the second transverse pipe after being screwed in to enable the first transverse pipe and the second transverse pipe to be fixed; the structure of the vertical rod comprises: the second vertical pipe is inserted into the first vertical pipe, a second bolt is connected to the first vertical pipe in a threaded manner, and the second bolt can be propped against the second vertical pipe after being screwed in so that the first vertical pipe and the second vertical pipe are fixed; the first vertical pipe is fixed with the top end of the manipulator, the top end of the second vertical pipe is fixed with the tail end of the first transverse pipe, and the top end of the second transverse pipe is fixed with the steel ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110928565.6A CN113617990B (en) | 2021-08-13 | 2021-08-13 | Method for uniformly heating cylindrical steel billet for forging |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110928565.6A CN113617990B (en) | 2021-08-13 | 2021-08-13 | Method for uniformly heating cylindrical steel billet for forging |
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| Publication Number | Publication Date |
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| CN113617990A CN113617990A (en) | 2021-11-09 |
| CN113617990B true CN113617990B (en) | 2023-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110928565.6A Active CN113617990B (en) | 2021-08-13 | 2021-08-13 | Method for uniformly heating cylindrical steel billet for forging |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1061294A (en) * | 1951-08-13 | 1954-04-12 | United States Steel Corp | Method of heating steel ingots for forging or extrusion |
| JPH06122036A (en) * | 1992-10-13 | 1994-05-06 | Mitsubishi Materials Corp | Forging method |
| JPH11316085A (en) * | 1998-05-06 | 1999-11-16 | Kuromatsu Denki Seisakusho:Kk | Steel material heater and method for heating steel material |
| KR20050070346A (en) * | 2003-12-30 | 2005-07-07 | 현대자동차주식회사 | Semi-forging method and its device for magnesium alloys |
| CN206638360U (en) * | 2017-03-31 | 2017-11-14 | 蓝星安迪苏南京有限公司 | A kind of measurement apparatus for incinerator |
| CN207188726U (en) * | 2017-08-31 | 2018-04-06 | 襄阳金伦锻造有限公司 | A kind of distributing forge furnace |
| CN212652633U (en) * | 2020-06-10 | 2021-03-05 | 昆山市宏大重型锻造有限公司 | Forging heating furnace is used in forging production |
| CN213600241U (en) * | 2019-11-26 | 2021-07-02 | 重庆集信机械有限公司 | Temperature measuring device in heat treatment heating furnace |
| CN213671667U (en) * | 2020-09-03 | 2021-07-13 | 营口市特殊钢锻造有限责任公司 | Natural gas forging heating furnace |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8381563B2 (en) * | 2009-06-08 | 2013-02-26 | Ati Properties, Inc. | Forging die heating apparatuses and methods for use |
-
2021
- 2021-08-13 CN CN202110928565.6A patent/CN113617990B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1061294A (en) * | 1951-08-13 | 1954-04-12 | United States Steel Corp | Method of heating steel ingots for forging or extrusion |
| JPH06122036A (en) * | 1992-10-13 | 1994-05-06 | Mitsubishi Materials Corp | Forging method |
| JPH11316085A (en) * | 1998-05-06 | 1999-11-16 | Kuromatsu Denki Seisakusho:Kk | Steel material heater and method for heating steel material |
| KR20050070346A (en) * | 2003-12-30 | 2005-07-07 | 현대자동차주식회사 | Semi-forging method and its device for magnesium alloys |
| CN206638360U (en) * | 2017-03-31 | 2017-11-14 | 蓝星安迪苏南京有限公司 | A kind of measurement apparatus for incinerator |
| CN207188726U (en) * | 2017-08-31 | 2018-04-06 | 襄阳金伦锻造有限公司 | A kind of distributing forge furnace |
| CN213600241U (en) * | 2019-11-26 | 2021-07-02 | 重庆集信机械有限公司 | Temperature measuring device in heat treatment heating furnace |
| CN212652633U (en) * | 2020-06-10 | 2021-03-05 | 昆山市宏大重型锻造有限公司 | Forging heating furnace is used in forging production |
| CN213671667U (en) * | 2020-09-03 | 2021-07-13 | 营口市特殊钢锻造有限责任公司 | Natural gas forging heating furnace |
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| CN113617990A (en) | 2021-11-09 |
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