CN220480152U - High-carbon alloy non-quenched and tempered steel temperature control cooling equipment - Google Patents
High-carbon alloy non-quenched and tempered steel temperature control cooling equipment Download PDFInfo
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- CN220480152U CN220480152U CN202321378977.8U CN202321378977U CN220480152U CN 220480152 U CN220480152 U CN 220480152U CN 202321378977 U CN202321378977 U CN 202321378977U CN 220480152 U CN220480152 U CN 220480152U
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- 238000001816 cooling Methods 0.000 title claims abstract description 173
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 34
- 239000010959 steel Substances 0.000 title claims abstract description 34
- 229910001339 C alloy Inorganic materials 0.000 title claims abstract description 30
- 238000010438 heat treatment Methods 0.000 claims abstract description 78
- 230000007246 mechanism Effects 0.000 claims abstract description 60
- 238000004321 preservation Methods 0.000 claims abstract description 39
- 230000005540 biological transmission Effects 0.000 claims abstract description 24
- 230000007723 transport mechanism Effects 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims description 15
- 238000009413 insulation Methods 0.000 claims description 3
- 238000005242 forging Methods 0.000 abstract description 30
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010791 quenching Methods 0.000 description 3
- 230000000171 quenching effect Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000005496 tempering Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000010583 slow cooling Methods 0.000 description 1
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Abstract
The utility model provides a non quenched and tempered steel accuse temperature cooling arrangement of high-carbon alloy, including cooling cavity and transport mechanism, the both ends of cooling cavity are equipped with feed inlet and discharge gate respectively, transport mechanism runs through the cooling cavity setting and defines as the transmission direction with the direction of feed inlet to discharge gate, the inner space of cooling cavity is divided into first cooling chamber along the transmission direction in proper order, heat preservation room and second cooling chamber, the top of first cooling chamber and second cooling chamber all is equipped with an forced air cooling mechanism, the top of heat preservation room is equipped with multiunit circulating cooling fan along the transmission direction in proper order, all be equipped with heating mechanism in first cooling chamber, heat preservation room and the second cooling chamber alone, still be equipped with a temperature monitor between first cooling chamber and the heat preservation room and between heat preservation room and the second cooling chamber. The utility model can lead the performance of the high-carbon alloy non-quenched and tempered steel forging obtained after cooling to reach the performance equivalent to that of quenched and tempered steel (after heat treatment), thereby ensuring the final quality of forging products.
Description
Technical Field
The utility model relates to the technical field of non-quenched and tempered steel forging, in particular to high-carbon alloy non-quenched and tempered steel temperature control cooling equipment.
Background
The high-carbon alloy non-quenched and tempered steel is a novel energy-saving structural material integrating rolling (or forging) and heat treatment, and has the advantages of saving energy, reducing quenching deformation and cracking and the like, and is widely used for manufacturing automobile parts such as crankshafts, connecting rods, steering knuckles, hubs and the like in the automobile industry, and quenching and high-temperature tempering are omitted in the production process.
The structure of the non-quenched and tempered steel cooling equipment in the current market is relatively simple, a plurality of forgings are sequentially conveyed into a single cooling chamber at the same conveying speed by adopting a conveying device, and the forgings are cooled in the cooling chamber in an air cooling or air cooling mode. The cooling equipment is difficult to ensure that the forging is cooled at a certain cooling speed and a certain temperature, namely the cooling degree is difficult to effectively control, so that the metallographic change in the forging is irregular, the metallographic structure change of the forging can not meet the preset requirement, the crystal structure in the forging is not refined sufficiently and the mechanical properties of the forging are greatly influenced by uneven refinement, and finally the quality of the product is unqualified or unstable.
Disclosure of Invention
In view of the above, the utility model aims to provide a high-carbon alloy non-quenched and tempered steel temperature control cooling device, so that the performance of a cooled high-carbon alloy non-quenched and tempered steel forging reaches the performance equivalent to that of quenched and tempered steel (after heat treatment), and the final quality of a forging product is further ensured.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a non quenching and tempering steel accuse temperature cooling arrangement of high-carbon alloy, includes cooling cavity and transport mechanism, the both ends of cooling cavity are equipped with feed inlet and discharge gate respectively, transport mechanism runs through the cooling cavity sets up and with the feed inlet extremely the direction definition of discharge gate is the transmission direction, the inner space of cooling cavity is followed the transmission direction is divided into first cooling chamber, heat preservation room and second cooling chamber in proper order, first cooling chamber with the top of second cooling chamber all is equipped with an forced air cooling mechanism, the top of heat preservation room is followed the transmission direction is equipped with multiunit circulative cooling fan in proper order, first cooling chamber the heat preservation room with all be equipped with heating mechanism in the second cooling chamber alone, first cooling chamber with between the heat preservation room and still be equipped with a temperature monitor between the heat preservation room with the second cooling chamber.
Preferably, the air cooling mechanism comprises a blower, an exhauster and a variable frequency controller, the blower and the exhauster are in control connection with the variable frequency controller, the blower and the exhauster are sequentially arranged at the top of the position corresponding to the first cooling chamber along the transmission direction and are communicated with the inside of the first cooling chamber, the exhauster and the blower are sequentially arranged at the top of the position corresponding to the second cooling chamber along the transmission direction and are communicated with the inside of the second cooling chamber, an air inlet of the exhauster is communicated with the top of the first cooling chamber and the top of the second cooling chamber, an air outlet gate is movably arranged at the position of the air inlet of the exhauster, and a second air outlet controller is further arranged on the exhauster and is in driving connection with the air outlet gate.
Preferably, the air inlet of the circulating cooling fan is communicated with the top of the heat preservation chamber, a fan gate is movably arranged in the position of the air inlet inside the circulating cooling fan, and a first gate controller is further arranged on the circulating cooling fan and is in driving connection with the fan gate.
Preferably, the heating mechanism comprises a plurality of heating pipes, each heating pipe is arranged along a direction perpendicular to the conveying direction, and the heating pipes are arranged in parallel along the conveying direction to form a heating pipe group.
Preferably, the heating mechanism in the first cooling chamber at least comprises three groups of heating tube groups, at least two groups of heating tube groups are arranged above the conveying mechanism in parallel in a mode of being perpendicular to the conveying direction, at least one group of heating tube groups are arranged below the conveying mechanism, and the heating temperature of the heating tube groups is 680 ℃.
Preferably, the heating mechanism in the heat preservation chamber at least comprises a group of heating tube groups, a group of heating tube groups is arranged above the conveying mechanism, and the heating temperature of the heating tube groups is 650-680 ℃.
Preferably, the heating mechanism in the second cooling chamber at least comprises two groups of heating tube groups, at least one group of heating tube groups is arranged above and below the conveying mechanism, and the heating temperature of the heating tube groups is less than or equal to 350 ℃.
Preferably, the cooling cavity is located at a position between the first cooling chamber and the heat preservation chamber, and a position between the heat preservation chamber and the second cooling chamber is provided with a heat preservation curtain.
Preferably, the automatic cooling device further comprises a transverse feeding mechanism, the transverse feeding mechanism comprises a transverse conveying rack, a transverse conveying belt, a transverse conveying motor and a material frame, the transverse conveying rack is arranged at the discharge hole of the cooling cavity, the transverse conveying belt is arranged at the top of the transverse conveying rack, the conveying direction of the transverse conveying belt is perpendicular to the conveying direction of the conveying mechanism, the transverse conveying rack is further provided with the transverse conveying motor and is in driving connection with the transverse conveying belt, and the material frame is respectively arranged at two ends of the transverse conveying belt.
Preferably, the transverse feeding mechanism further comprises a guide slideway which is obliquely downwards arranged, one end of the guide slideway is connected with the end, close to the discharge port of the cooling cavity, of the conveying mechanism, and the other end of the guide slideway is positioned at the vertical upper part of the transverse conveying belt.
Compared with the prior art, the high-carbon alloy non-quenched and tempered steel temperature control cooling equipment provided by the utility model has the advantages that the internal space of the cooling cavity is divided into the first cooling chamber, the heat preservation chamber and the second cooling chamber, the air cooling mechanism, the heating mechanism and the like are respectively and correspondingly arranged in each chamber, the temperature monitor, the heat preservation curtain and other mechanisms are arranged between the two adjacent chambers, and the high-carbon alloy non-quenched and tempered steel forging heated by the heating furnace is cooled at a certain cooling speed and a certain temperature by reasonably adjusting and automatically controlling the equipment, so that uniform tissues and ideal mechanical properties are obtained.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a front view of a high-carbon alloy non-quenched and tempered steel temperature-controlled cooling device provided by the utility model;
fig. 2 is a top view of a high-carbon alloy non-quenched and tempered steel temperature-controlled cooling device provided by the utility model.
Reference numerals and description of the components referred to in the drawings:
1. a cooling cavity; 2. a transmission mechanism; 3. a circulating cooling fan; 4. a blower; 5. an exhauster; 6. a thermal insulation curtain; 7. heating pipes; 8. a temperature monitor; 9. a transverse conveying rack; 10. a transverse conveyor belt; 11. a material frame; 12. a material guiding slideway;
101. a first cooling chamber; 102. a heat preservation chamber; 103. a second cooling chamber;
301. a fan gate; 501. an exhaust gate; 502. and a second shutter controller.
Detailed Description
The technical scheme of the present utility model will be clearly and completely described in the following detailed description. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-2, a high-carbon alloy non-quenched and tempered steel temperature control cooling device comprises a cooling cavity 1 and a transmission mechanism 2, wherein the cooling cavity 1 is provided with a feed inlet and a discharge outlet at two ends respectively, and the transmission mechanism 2 is arranged throughout the cooling cavity 1, so that the direction from the feed inlet to the discharge outlet is defined as a transmission direction for convenience of description.
Unlike the existing cooling equipment, the internal space of the cooling cavity 1 is divided into a first cooling chamber 101, a heat preservation chamber 102 and a second cooling chamber 103 in turn along the transmission direction in the equipment, and the three stages of rapid cooling, heat preservation and slow cooling of the high-carbon alloy non-quenched and tempered steel forging in the cooling cavity 1 correspond to the first cooling chamber and the second cooling chamber. The cooling device adopts an air cooling mode, so that an air cooling mechanism is arranged in each of the first cooling chamber 101 and the second cooling chamber 103, a plurality of groups of circulating cooling fans 3 are arranged in the heat preservation chamber 102, air inlets of the circulating cooling fans 3 are communicated with the top of the heat preservation chamber 102, a fan gate 301 is movably arranged at the position of the air inlets inside the circulating cooling fans 3, and a first gate controller (not shown in the figure) is further arranged on the circulating cooling fans 3 and is in driving connection with the fan gate 301.
The air cooling mechanism comprises a blower 4, an exhauster 5 and a variable frequency controller (not shown in the figure), and the blower 4 and the exhauster 5 are in control connection with the variable frequency controller so as to meet the cooling requirements of the forge piece in different chambers. Specifically, the blower 4 and the exhauster 5 are sequentially arranged at the top of the position corresponding to the first cooling chamber 101 of the cooling cavity 1 along the transmission direction and are communicated with the interior of the first cooling chamber 101, the exhauster 5 and the blower 4 are sequentially arranged at the top of the position corresponding to the second cooling chamber 103 along the transmission direction and are communicated with the interior of the second cooling chamber 103, and the air inlet of the exhauster 5 is communicated with the tops of the first cooling chamber 101 and the second cooling chamber 103. The exhaust units 5 in the two chambers can adjust the exhaust degree in time according to the cooling requirement and the temperature in the chambers, so that an exhaust gate 501 is movably arranged in the exhaust unit 5 at the position of the air inlet, and a second gate controller 502 is also arranged on the exhaust unit 5 and is in driving connection with the exhaust gate 501.
The first cooling chamber 101, the heat preservation chamber 102 and the second cooling chamber 103 are respectively provided with a heating mechanism, and correspondingly, the positions of the cooling cavity 1 between the first cooling chamber 101 and the heat preservation chamber 102 and the positions of the cooling cavity between the heat preservation chamber 102 and the second cooling chamber 103 are respectively provided with a heat preservation curtain 6, so that heat loss in each chamber is reduced, and heat transfer in two adjacent chambers can be avoided. The heating mechanism has the same composition, namely comprises a plurality of heating pipes 7, each heating pipe 7 is arranged along the direction perpendicular to the conveying direction, and the plurality of heating pipes 7 are arranged in parallel along the conveying direction to form a heating pipe group, and the difference is that the number and the arrangement positions of the heating pipe groups in each cavity are different, so that different cooling temperatures in each cavity are regulated and controlled. The heating output of the heating tube group in each cavity can be automatically adjusted according to the size of the forging piece so as to meet the technological curve requirement of the forging piece.
The heating mechanism located in the first cooling chamber 101 includes at least three sets of heating tube sets, which are exemplified in the present embodiment. Two sets of heating tube groups are arranged in parallel above the conveying mechanism 2 in a manner perpendicular to the conveying direction, one set of heating tube groups is arranged below the conveying mechanism 2, and the heating temperature of the heating tube groups, that is, the cooling temperature in the first cooling chamber 101 is 680 ℃.
The heating mechanism in the heat preservation chamber 102 at least includes a set of heating tube sets, which is exemplified in the present embodiment. A group of heating tube sets is arranged above the conveying mechanism 2, and the heating temperature of the heating tube sets, namely the heat preservation temperature in the heat preservation chamber 102, is 650-680 ℃.
The heating mechanism in the second cooling chamber 103 includes at least two sets of heating tube sets, which are exemplified in this embodiment. A group of heating tube groups are arranged above and below the conveying mechanism 2, and the heating temperature of the heating tube groups, namely the cooling temperature in the second cooling chamber 103, is less than or equal to 350 ℃.
In order to be able to check the cooling temperature of the forging in real time in the respective chambers, a temperature monitor 8 is deliberately provided between the first cooling chamber 101 and the holding chamber 102 and between the holding chamber 102 and the second cooling chamber 103. The cooling conditions of the forgings in the first cooling chamber 101, the heat preservation chamber 102 and the second cooling chamber 103 are known in real time according to the temperature feedback of the temperature monitor 8, so that the operation modes and the operation time of the heating mechanism and the air cooling mechanism, the operation mode of the heating mechanism and the operation time of the circulating cooling fan 3 are properly adjusted, and the forgings are ensured to meet the cooling requirements.
The conveying mechanism 2 can be matched with a front forging production line, after the high-carbon alloy non-quenched and tempered steel forging is taken off the forging press, the high-carbon alloy non-quenched and tempered steel forging enters the cooling equipment and is conveyed into the cooling cavity 1 through the conveying mechanism 2, the temperature can be reduced to 680 ℃ after the high-carbon alloy non-quenched and tempered steel forging is cooled in the first cooling chamber 101 for 3 minutes, the temperature can be kept between 650 ℃ and 680 ℃ after the high-carbon alloy non-quenched and tempered steel forging is kept in the heat preservation chamber 102 for 9 minutes, and the temperature can be reduced to 350 ℃ or less after the high-carbon alloy non-quenched and tempered steel forging is cooled in the second cooling chamber 103 for 2 minutes.
After being cooled in the cooling chamber 1, the forge piece is transmitted to the blanking position through the transmission mechanism 2, and in order to meet the subsequent sorting requirements, the cooling device is further provided with a transverse feeding mechanism at the blanking position. The transverse feeding mechanism comprises a transverse conveying frame 9, a transverse conveying belt 10, a transverse conveying motor (not shown in the figure) and a material frame 11, wherein the transverse conveying frame 9 is arranged at the discharge hole of the cooling cavity 1, the transverse conveying belt 10 is arranged at the top of the transverse conveying frame, the conveying direction of the transverse conveying belt 10 is perpendicular to the conveying direction of the conveying mechanism 2, the transverse conveying motor is further arranged on the transverse conveying frame 9 and is in driving connection with the transverse conveying belt 10, and the material frame 11 is respectively arranged at two ends of the transverse conveying belt 10. The transfer of the upper forging thereof into the stock frame 11 at the respective end by the transverse conveyor belt 10 is achieved by controlling the turning of the transverse conveyor motor.
In addition, because there is the difference in height between transport mechanism 2 and the horizontal conveyer belt 10, avoid the forging to smash to drop to the horizontal conveyer belt 10 from transport mechanism 2 and cause the damage to the horizontal conveyer belt 10, add a slope and set up down to this and lead material slide 12, this one end and transport mechanism 2 of material slide 12 are close to the end connection of cooling chamber 1 discharge gate, the other end is located the vertical top department of horizontal conveyer belt 10, the forging removes to drop to the horizontal conveyer belt 10 through leading material slide 12 in order to reduce the damage risk of horizontal conveyer belt 10.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The utility model provides a non quenched and tempered steel accuse temperature cooling arrangement of high-carbon alloy, includes cooling cavity and transport mechanism, the both ends of cooling cavity are equipped with feed inlet and discharge gate respectively, transport mechanism runs through the cooling cavity sets up and with the feed inlet to the direction definition of discharge gate is transmission direction, its characterized in that: the inner space of cooling cavity is followed the transmission direction is divided into first cooling chamber, heat preservation room and second cooling chamber in proper order, first cooling chamber with the top of second cooling chamber all is equipped with an air cooling mechanism, the top of heat preservation room is followed the transmission direction is equipped with multiunit circulative cooling fan in proper order, first cooling chamber the heat preservation room reaches all be equipped with heating mechanism in the second cooling chamber alone, first cooling chamber with between the heat preservation room and still be equipped with a temperature monitor between the heat preservation room with between the second cooling chamber.
2. The high-carbon alloy non-quenched and tempered steel temperature-controlled cooling device according to claim 1, wherein: the air cooling mechanism comprises a blower, an exhauster and a variable frequency controller, wherein the blower and the exhauster are connected with the variable frequency controller in a control manner, the blower and the exhauster are sequentially arranged at the top of the position corresponding to the first cooling chamber in the transmission direction, the exhauster and the blower are sequentially arranged at the top of the position corresponding to the second cooling chamber in the transmission direction, the air inlet of the exhauster is communicated with the top of the second cooling chamber in the transmission direction, an air outlet gate is movably arranged at the position of the air inlet of the exhauster, and the exhauster is also provided with a second gate controller and is in driving connection with the air outlet gate.
3. The high-carbon alloy non-quenched and tempered steel temperature-controlled cooling device according to claim 1, wherein: the air inlet of the circulating cooling fan is communicated with the top of the heat preservation chamber, a fan gate is movably arranged in the position of the air inlet inside the circulating cooling fan, and a first gate controller is further arranged on the circulating cooling fan and is in driving connection with the fan gate.
4. The high-carbon alloy non-quenched and tempered steel temperature-controlled cooling device according to claim 1, wherein: the heating mechanism comprises a plurality of heating pipes, each heating pipe is arranged along the direction perpendicular to the transmission direction, and the heating pipes are arranged in parallel along the transmission direction to form a heating pipe group.
5. The high-carbon alloy non-quenched and tempered steel temperature-controlled cooling device according to claim 4, wherein: the heating mechanism in the first cooling chamber at least comprises three groups of heating tube groups, at least two groups of heating tube groups are arranged above the conveying mechanism in parallel in a mode of being perpendicular to the conveying direction, at least one group of heating tube groups are arranged below the conveying mechanism, and the heating temperature of the heating tube groups is 680 ℃.
6. The high-carbon alloy non-quenched and tempered steel temperature-controlled cooling device according to claim 4, wherein: the heating mechanism positioned in the heat preservation chamber at least comprises a group of heating tube groups, a group of heating tube groups are arranged above the conveying mechanism, and the heating temperature of the heating tube groups is 650-680 ℃.
7. The high-carbon alloy non-quenched and tempered steel temperature-controlled cooling device according to claim 4, wherein: the heating mechanism in the second cooling chamber at least comprises two groups of heating tube groups, at least one group of heating tube groups is arranged above and below the conveying mechanism, and the heating temperature of the heating tube groups is less than or equal to 350 ℃.
8. The high-carbon alloy non-quenched and tempered steel temperature-controlled cooling device according to claim 1, wherein: the cooling cavity is located the position department between first cooling chamber with the thermal insulation room and the position department between thermal insulation room with the second cooling chamber all is equipped with the heat preservation curtain.
9. The high-carbon alloy non-quenched and tempered steel temperature-controlled cooling device according to claim 1, wherein: the automatic cooling device is characterized by further comprising a transverse feeding mechanism, wherein the transverse feeding mechanism comprises a transverse conveying rack, a transverse conveying belt, a transverse conveying motor and a material frame, the transverse conveying rack is arranged at the discharge hole of the cooling cavity, the top of the transverse conveying rack is provided with the transverse conveying belt, the conveying direction of the transverse conveying belt is perpendicular to the conveying direction of the conveying mechanism, the transverse conveying rack is further provided with the transverse conveying motor and is in driving connection with the transverse conveying belt, and the two ends of the transverse conveying belt are respectively provided with the material frame.
10. The high-carbon alloy non-quenched and tempered steel temperature-controlled cooling device according to claim 9, wherein: the transverse feeding mechanism further comprises a material guiding slide way which is obliquely downwards arranged, one end of the material guiding slide way is connected with the end part, close to the discharge hole of the cooling cavity, of the conveying mechanism, and the other end of the material guiding slide way is located at the vertical upper part of the transverse conveying belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321378977.8U CN220480152U (en) | 2023-06-01 | 2023-06-01 | High-carbon alloy non-quenched and tempered steel temperature control cooling equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321378977.8U CN220480152U (en) | 2023-06-01 | 2023-06-01 | High-carbon alloy non-quenched and tempered steel temperature control cooling equipment |
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| Publication Number | Publication Date |
|---|---|
| CN220480152U true CN220480152U (en) | 2024-02-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321378977.8U Active CN220480152U (en) | 2023-06-01 | 2023-06-01 | High-carbon alloy non-quenched and tempered steel temperature control cooling equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220480152U (en) |
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2023
- 2023-06-01 CN CN202321378977.8U patent/CN220480152U/en active Active
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