CN211546617U - Energy-saving and efficient roller quenching device - Google Patents
Energy-saving and efficient roller quenching device Download PDFInfo
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- CN211546617U CN211546617U CN202020051059.4U CN202020051059U CN211546617U CN 211546617 U CN211546617 U CN 211546617U CN 202020051059 U CN202020051059 U CN 202020051059U CN 211546617 U CN211546617 U CN 211546617U
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- liquid nitrogen
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- 238000010791 quenching Methods 0.000 title claims abstract description 102
- 230000000171 quenching effect Effects 0.000 title claims abstract description 102
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 58
- 238000001816 cooling Methods 0.000 claims abstract description 36
- 239000007788 liquid Substances 0.000 claims abstract description 29
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 238000003860 storage Methods 0.000 claims abstract description 20
- 230000006698 induction Effects 0.000 claims abstract description 13
- 239000007921 spray Substances 0.000 claims description 44
- 238000001914 filtration Methods 0.000 claims description 7
- 239000000523 sample Substances 0.000 claims description 5
- 239000000779 smoke Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract 1
- 230000003028 elevating effect Effects 0.000 abstract 1
- 238000007599 discharging Methods 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 6
- 239000010410 layer Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000003595 mist Substances 0.000 description 4
- 229910001566 austenite Inorganic materials 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000002344 surface layer Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 229910000734 martensite Inorganic materials 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
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Abstract
The utility model belongs to the roll field of making specifically discloses an energy-conserving efficient roll guenching unit, including (1) body, (2) feed inlet, (3) feeding conveyer, (4) induction counter, (5) temporary storage platform, (6) top track, (7) arm, (8) quenching room, (71) temperature sensing clamping jaw, (81) elevating platform, (82) water-cooling shower nozzle, (83) liquid nitrogen shower nozzle. The utility model discloses a what innovate combines water smoke quenching and liquid nitrogen cryrogenic quenching to go on in a device, and liquid nitrogen quenches immediately after the water smoke quenching is accomplished for quenching efficiency is high, and the surface hardness that quenches the back roll of accomplishing improves 1-2HRC than ordinary temperature quenching, and energy-conserving effect is showing simultaneously.
Description
Technical Field
The utility model belongs to the roll field of making, specifically disclose an energy-conserving efficient roll guenching unit.
Background
The present roll is in operation with its surface layers subjected to higher stresses than the core. In the case of friction, the surface layer is also continuously worn, so that the surface layer of the roll is subjected to requirements of high strength, high hardness, high wear resistance, high fatigue limit, etc., which are satisfied only by surface strengthening. The surface quenching has the advantages of small deformation, high productivity and the like, so the surface quenching method is widely applied to production.
The quenching device in the general roll production comprises a heating device and a cooling device, wherein the cooling device comprises oil cooling, water cooling and air cooling, but the following problems exist after the cooling device at the normal temperature is researched, 1, austenite remains: the proportion is about 10% -20%, because austenite is very unstable, when the material is affected by external force or the ambient temperature changes, the material is easy to be transformed into martensite, and the specific volume of austenite and martensite is different, the material is irregularly expanded, and the size precision of the workpiece is reduced. 2, the structure has coarse grains, and the carbide of the material is solid-solution supersaturated. 3 residual internal stress. Residual internal stress after heat treatment will reduce the fatigue strength and other mechanical properties of the material, and is liable to cause deformation of the workpiece during stress relief. Therefore, people design a deep-cooling quenching process, which can greatly improve the defects of the quenching mode, but the deep-cooling quenching also has the defects of low production efficiency, high energy consumption and high cost.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects, the utility model discloses an energy-saving and high-efficiency roller quenching device.
The technical scheme of the utility model as follows:
an energy-saving and efficient roller quenching device comprises a body, a feeding hole, a feeding conveying device, an induction counter, a temporary storage table, a top rail, a mechanical arm, a quenching chamber, a temperature-sensing clamping jaw, a lifting table, a water-cooling spray head and a liquid nitrogen spray head; the body is a hollow box body, the feed inlet is positioned on one side of the body, the conveying device is connected with the feed inlet, and the induction counter is positioned on the feed inlet and is opposite to the feed conveying device; the temporary storage table is positioned at the feeding port and is close to the tail end of the feeding conveying device; the top rail is positioned at the top of the interior of the body, and the top end of the mechanical arm is installed in the top rail; the lower end of the mechanical arm is provided with a temperature sensing clamping jaw, and a temperature measuring probe is arranged in the temperature sensing clamping jaw; the quenching chamber is positioned in the body, and the top of the quenching chamber is provided with an opening; the lifting platform is positioned in the quenching chamber, the water-cooling spray heads are positioned on two side walls of the quenching chamber, and the liquid nitrogen spray heads are arranged below the water-cooling spray heads. The roller to be quenched from the heating section is conveyed through the feeding conveying device, falls into the temporary storage table through counting of the induction counter on the body, is grabbed by the temperature sensing clamping jaw controlled by the mechanical arm and is moved to the lifting table in the quenching chamber, the water-cooling spray head is opened to carry out water mist quenching on the roller, then the lifting table descends, and when the lifting table is parallel and level to the liquid nitrogen spray head, the liquid nitrogen spray head is opened to carry out deep-cooling quenching, and after quenching is finished, the roller is taken out by the mechanical arm. Through setting up the response counter, can produce statistics count to the roll, set up the temperature sensing head in the clamping jaw, the temperature of measurement roll that can be real-time. The utility model discloses a what innovate combines water smoke quenching and liquid nitrogen cryrogenic quenching to go on in a device, and liquid nitrogen quenches immediately after the water smoke quenching is accomplished for quenching efficiency is high, and the surface hardness of quenching completion back roll quenches than ordinary temperature and improves 1-2 HRC.
Further, the energy-saving and efficient roller quenching device is characterized in that the body is also provided with a storage table. The object placing table can be used for placing the roller subjected to deep cooling quenching.
Further, the energy-saving and efficient roller quenching device is characterized in that a water filtering layer is arranged on the object placing table. The surface of the roller after the cryogenic quenching is finished can condense water, and a water filtering layer is arranged to collect the dripping water and is placed to influence the subsequent working sections.
Further, in the energy-saving and efficient roll quenching device, the number of the quenching chambers is 1-8. The multiple quenching chambers are arranged for quenching simultaneously, so that the working efficiency can be improved.
Further, in the energy-saving and efficient roll quenching device, the number of the quenching chambers is 2. Through the actual operation of the workshop, 2 quenching chambers are generally arranged so that the efficiency is highest.
Further, the other end of the body is provided with a discharge hole, and the discharge hole is connected with a discharge conveying device. The discharging conveyer is arranged to realize the uninterrupted operation of feeding, quenching and discharging,
further, the body of the energy-saving and efficient roller quenching device is also provided with a vacuum air extractor. The vacuum air extractor is arranged, so that waste gas generated in the quenching process can be sucked away, and the environment protection is facilitated.
Further, in the energy-saving and efficient roller quenching device, the water-cooling spray head and the liquid nitrogen spray head are linearly arranged along the axial direction of the roller. The spray heads are linearly arranged along the axis, so that the spraying ratio is uniform, and the quenching effect is good.
According to the above technical scheme, the utility model discloses following beneficial effect has:
(1) the utility model discloses a what innovate combines water smoke quenching and liquid nitrogen cryrogenic quenching to go on in a device, and liquid nitrogen quenches immediately after the water smoke quenching is accomplished for quenching efficiency is high, and the surface hardness of quenching completion back roll quenches than ordinary temperature and improves 1-2 HRC.
(2) The utility model has the advantages of feeding, quenching and continuous operation of discharging, greatly improving the production efficiency and relatively reducing the energy consumption of unit yield.
(3) The utility model discloses set up a plurality of quenching rooms and quench simultaneously, can improve work efficiency.
Drawings
Fig. 1 is a schematic diagram of embodiment 1 of the present invention;
FIG. 2 is a schematic diagram of embodiment 2 of the present invention;
FIG. 3 is a schematic diagram of embodiment 3 of the present invention
Wherein: the device comprises a body 1, a feeding hole 2, a feeding conveying device 3, an induction counter 4, a temporary storage table 5, a top rail 6, a mechanical arm 7, a quenching chamber 8, a storage table 9, a discharging hole 10, a discharging conveying device 11, a vacuum air extractor 12, a temperature-sensing clamping jaw 71, a lifting table 81, a water-cooling spray head 82, a liquid nitrogen spray head 83 and a water filtering layer 91.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only some embodiments, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
As shown in fig. 1, the energy-saving and efficient roll quenching device comprises a body 1, a feed inlet 2, a feed conveying device 3, a sensing counter 4, a temporary storage table 5, a top rail 6, a mechanical arm 7, a quenching chamber 8, a temperature sensing clamping jaw 71, a lifting table 81, a plurality of water-cooling spray heads 82 and a plurality of liquid nitrogen spray heads 83; the body 1 is a hollow box body, the feeding hole 2 is positioned on one side of the body 1, the feeding conveying device 3 is connected with the feeding hole 2, and the induction counter 4 is positioned on the feeding hole 2 and faces the feeding conveying device 3; the temporary storage table 5 is positioned at the feed port 2 and is close to the tail end of the feed conveying device 3; the top rail 6 is positioned at the top inside the body 1, and the top end of the mechanical arm 7 is installed in the top rail 6; the lower end of the mechanical arm 7 is provided with a temperature sensing clamping jaw 71, and a temperature measuring probe is arranged in the temperature sensing clamping jaw 71; the quenching chamber 8 is positioned in the body 1, and the top of the quenching chamber is provided with an opening; the lifting platform 81 is located in the quenching chamber 8, the water-cooling spray heads 82 are located on two side walls of the quenching chamber 8, and the liquid nitrogen spray heads 83 are arranged below the water-cooling spray heads 82.
When in work: the roller to be quenched from the heating section is conveyed through the feeding conveying device 3, falls into the temporary storage table 5 through counting of the induction counter 4 on the body 1, the mechanical arm 7 controls the temperature sensing clamping jaw 71 to grab the roller, the roller is moved to the lifting table 81 in the quenching chamber 8, the water cooling spray head 82 is opened to carry out water mist quenching on the roller, then the lifting table 81 descends, when being parallel to the liquid nitrogen spray head 83, the liquid nitrogen spray head 83 is opened to carry out deep cooling quenching, and after quenching is finished, the roller is taken out through the mechanical arm 7.
Example 2
As shown in fig. 2, the energy-saving and efficient roll quenching device comprises a body 1, a feed inlet 2, a feed conveying device 3, a sensing counter 4, a temporary storage table 5, a top rail 6, a mechanical arm 7, a quenching chamber 8, a storage table 9, a temperature-sensing clamping jaw 71, a lifting table 81, a plurality of water-cooling spray heads 82 and a plurality of liquid nitrogen spray heads 83; the body 1 is a hollow box body, the feeding hole 2 is positioned on one side of the body 1, the feeding conveying device 3 is connected with the feeding hole 2, and the induction counter 4 is positioned on the feeding hole 2 and faces the feeding conveying device 3; the temporary storage table 5 is positioned at the feed port 2 and is close to the tail end of the feed conveying device 3; the top rail 6 is positioned at the top inside the body 1, and the top end of the mechanical arm 7 is installed in the top rail 6; the lower end of the mechanical arm 7 is provided with a temperature sensing clamping jaw 71, and a temperature measuring probe is arranged in the temperature sensing clamping jaw 71; the quenching chamber 8 is positioned in the body 1, and the top of the quenching chamber is provided with an opening; the lifting platform 81 is positioned in the quenching chamber 8, the water-cooling spray heads 82 are positioned on two side walls of the quenching chamber 8, and the liquid nitrogen spray heads 83 are arranged below the water-cooling spray heads 82; particularly, the body 1 is also provided with a placing table 9, and the placing table 9 is also provided with a water filtering layer 91.
When in work: the roller to be quenched from the heating section is conveyed through the feeding conveying device 3, falls into the temporary storage table 5 through counting of the induction counter 4 on the body 1, the mechanical arm 7 controls the temperature sensing clamping jaw 71 to grab the roller, the roller is moved to the lifting table 81 in the quenching chamber 8, the water cooling spray head 82 is opened to carry out water mist quenching on the roller, then the lifting table 81 descends, when the lifting table is level with the liquid nitrogen spray head 83, the liquid nitrogen spray head 83 is opened to carry out deep cooling quenching, after quenching is finished, the roller is taken out through the mechanical arm 7 and placed on the placing table 9, air temperature rise is carried out, and water generated on the surface is removed through the filtering water layer 91.
Example 3
As shown in fig. 3, an energy-saving and efficient roll quenching device comprises a body 1, a feed inlet 2, a feed conveying device 3, an induction counter 4, a temporary storage table 5, a top rail 6, a mechanical arm 7, a quenching chamber 8, a discharge port 10, a discharge conveying device 11, a vacuum air extractor 12, a temperature sensing clamping jaw 71, a lifting table 81, a plurality of water-cooling nozzles 82, a plurality of liquid nitrogen nozzles 83; the body 1 is a hollow box body, the feeding hole 2 is positioned on one side of the body 1, the feeding conveying device 3 is connected with the feeding hole 2, and the induction counter 4 is positioned on the feeding hole 2 and faces the feeding conveying device 3; the temporary storage table 5 is positioned at the feed port 2 and is close to the tail end of the feed conveying device 3; the top rail 6 is positioned at the top inside the body 1, and the top end of the mechanical arm 7 is installed in the top rail 6; the lower end of the mechanical arm 7 is provided with a temperature sensing clamping jaw 71, and a temperature measuring probe is arranged in the temperature sensing clamping jaw 71; the quenching chamber 8 is positioned in the body 1, and the top of the quenching chamber is provided with an opening; the lifting platform 81 is positioned in the quenching chamber 8, the water-cooling spray heads 82 are positioned on two side walls of the quenching chamber 8, and the liquid nitrogen spray heads 83 are arranged below the water-cooling spray heads 82; it is worth noting in particular that the water-cooled spray heads 82 and the liquid nitrogen spray heads 83 are arranged linearly along the axial direction of the rolls; further, the body 1 is also provided with a placing table 9, and the placing table 9 is also provided with a water filtering layer 91; the number of the quenching chambers 8 is 2; further, a discharge hole 10 is formed in the other end of the body 1, and the discharge hole 10 is connected with a discharge conveying device 11; the body 1 is also provided with a vacuum air pump 12.
When in work: the roller to be quenched from the heating section is conveyed through a feeding conveying device 3, falls into a temporary storage table 5 through counting of a sensing counter 4 on a body 1, a mechanical arm 7 controls a temperature sensing clamping jaw 71 to grab the roller and moves the roller to a lifting table 81 in a quenching chamber 8, a water cooling spray head 82 is opened to carry out water mist quenching on the roller, then the lifting table 81 descends, when the lifting table is level with a liquid nitrogen spray head 83, the liquid nitrogen spray head 83 is opened to carry out deep cooling quenching, after quenching is finished, the roller is taken out through the mechanical arm 7, and a discharging conveying device 11 placed at a discharging port is conveyed to the next section; particularly, 2 quenching chambers 8 are arranged, so that the continuous-flow type operation can be realized, and the efficiency is improved; further, the vacuum air pump 12 can suck most of the exhaust gas generated during quenching into an exhaust gas processor (not shown in the figure), which is beneficial to environmental protection.
The above is only a preferred embodiment of the present invention, and the protection scope of the present invention can not be limited thereby, and the simple equivalent changes and modifications made according to the claims and the utility model also belong to the protection scope of the present invention.
Claims (8)
1. An energy-saving and efficient roller quenching device is characterized by comprising a body (1), a feeding hole (2), a feeding conveying device (3), an induction counter (4), a temporary storage table (5), a top rail (6), a mechanical arm (7), a quenching chamber (8), a temperature-sensing clamping jaw (71), a lifting table (81), a plurality of water-cooling spray heads (82) and a plurality of liquid nitrogen spray heads (83); the body (1) is a hollow box body, the feeding hole (2) is positioned on one side of the body (1), the feeding conveying device (3) is connected with the feeding hole (2), and the induction counter (4) is positioned on the feeding hole (2) and is opposite to the feeding conveying device (3); the temporary storage table (5) is positioned at the feed port (2) and is close to the tail end of the feed conveying device (3); the top rail (6) is positioned at the top inside the body (1), and the top end of the mechanical arm (7) is installed in the top rail (6); the lower end of the mechanical arm (7) is provided with a temperature sensing clamping jaw (71), and a temperature measuring probe is arranged in the temperature sensing clamping jaw (71); the quenching chamber (8) is positioned in the body (1), and the top of the quenching chamber is provided with an opening; the lifting platform (81) is located in the quenching chamber (8), the water-cooling spray heads (82) are located on two side walls of the quenching chamber (8), and the liquid nitrogen spray heads (83) are arranged below the water-cooling spray heads (82).
2. The energy-saving and efficient roll quenching device according to claim 1, wherein the body (1) is further provided with a storage table (9).
3. An energy-saving and high-efficiency roll quenching device as claimed in claim 2, wherein the object placing table (9) is further provided with a water filtering layer (91).
4. An energy-saving and high-efficiency roll quenching device as claimed in claim 1, wherein the number of the quenching chambers (8) is 1-8.
5. An energy-saving and high-efficiency roll quenching device as claimed in claim 4, wherein the number of the quenching chambers (8) is 2.
6. An energy-saving and high-efficiency roll quenching device as claimed in claim 1, wherein the other end of the body (1) is provided with a discharge port (10), and the discharge port (10) is connected with a discharge conveying device (11).
7. An energy-saving and high-efficiency roll quenching device as claimed in claim 1, characterized in that the body (1) is further provided with a vacuum air pump (12).
8. An energy-saving and high-efficiency roll quenching device as claimed in claim 1, wherein the water cooling spray head (82) and the liquid nitrogen spray head (83) are linearly arranged along the axial direction of the roll.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020051059.4U CN211546617U (en) | 2020-01-10 | 2020-01-10 | Energy-saving and efficient roller quenching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020051059.4U CN211546617U (en) | 2020-01-10 | 2020-01-10 | Energy-saving and efficient roller quenching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211546617U true CN211546617U (en) | 2020-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020051059.4U Expired - Fee Related CN211546617U (en) | 2020-01-10 | 2020-01-10 | Energy-saving and efficient roller quenching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211546617U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113005267A (en) * | 2021-03-24 | 2021-06-22 | 东莞理工学院 | Variable-rate cryogenic device, cryogenic treatment equipment and method |
| CN114774643A (en) * | 2022-05-10 | 2022-07-22 | 无锡亿宝机械设备有限公司 | Improved heat treatment method for M42 material full-hardened working roll |
-
2020
- 2020-01-10 CN CN202020051059.4U patent/CN211546617U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113005267A (en) * | 2021-03-24 | 2021-06-22 | 东莞理工学院 | Variable-rate cryogenic device, cryogenic treatment equipment and method |
| CN114774643A (en) * | 2022-05-10 | 2022-07-22 | 无锡亿宝机械设备有限公司 | Improved heat treatment method for M42 material full-hardened working roll |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200922 |