CN214881702U - Rotary spraying quenching device for large forging - Google Patents
Rotary spraying quenching device for large forging Download PDFInfo
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- CN214881702U CN214881702U CN202120300033.3U CN202120300033U CN214881702U CN 214881702 U CN214881702 U CN 214881702U CN 202120300033 U CN202120300033 U CN 202120300033U CN 214881702 U CN214881702 U CN 214881702U
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Abstract
The utility model discloses a rotatory guenching unit that sprays of large-scale forging belongs to large-scale forging quenching equipment field, and its technical scheme main points are including quenching bath, tray, drive assembly and spraying structure, drive assembly with spray the structure setting in the quenching bath, drive assembly includes lift platform, spray the structure including being used for to the central spray tube that the forging hole sprayed and be used for the circumference spray tube that sprays outside the forging, central spray tube and circumference spray tube are installed on lift platform, the utility model has the advantages of spray the quenching and can make the steam film break in advance, show to improve heat transfer coefficient and cooling rate between higher temperature interval, improve the quenching and strengthen the effect, promote work piece quality greatly.
Description
Technical Field
The utility model relates to a large-scale forging quenching equipment field, in particular to large-scale forging rotary spraying quenching device.
Background
Quenching is a heat treatment process of metals in which a metal workpiece is heated to a suitable temperature and held for a period of time, and then immersed in a quenching medium for rapid cooling. Common quenching media are brine, water, mineral oil, air, and the like. Quenching can improve the hardness and the wear resistance of the metal workpiece.
At present, a water tank is generally filled with a cooling medium, such as water or oil for cooling, when a workpiece just enters the medium, the surrounding medium is immediately heated and vaporized to form a layer of steam film on the surface of the workpiece, the steam film is a poor thermal conductor and blocks the contact between the workpiece and the cooling medium, so that the cooling speed in the stage is relatively low, particularly in a nose region (500-650 ℃) of a C curve, water is in the steam film stage, the time of the film boiling stage is long, the cooling speed is not fast enough, and a quenching soft point is possibly formed, so that the quality of the workpiece is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a rotatory guenching unit that sprays of large-scale forging, its advantage lies in spraying and quenches and to make the steam film break in advance, is showing to improve at higher temperature interval's heat transfer coefficient and cooling rate, improves the quenching and reinforces the effect, promotes the work piece quality greatly.
The above technical purpose of the present invention can be achieved by the following technical solutions:
the utility model provides a large-scale forging rotation sprays guenching unit, includes quenching bath, tray, drive assembly and sprays the structure, drive assembly with spray the structure setting in the quenching bath, drive assembly includes lift platform, spray the structure including being used for the central spray tube that sprays the forging hole with be used for the circumference spray tube that sprays outside the forging.
Further, drive assembly includes the motor, install the tray on the lift platform, the motor is installed in the tray bottom, the outer fringe of tray is provided with the external tooth, the output shaft of motor passes through gear and tray meshing.
Furthermore, the central spray pipe is arranged on a central shaft of the lifting platform, a plurality of nozzles facing in the radial direction are arranged on the central spray pipe, the circumferential spray pipes are arranged around the lifting platform and are uniformly and circumferentially arranged by taking the central spray pipe as the center, and the nozzles of the circumferential spray pipes are arranged at the end parts facing the central spray pipe.
Furthermore, the bottom of the central spray pipe is connected with a main water inlet pipe.
Furthermore, a metal hose is arranged between the main water inlet pipe and the circumferential spray pipe.
Furthermore, a hydraulic cylinder for controlling the lifting of the lifting platform is arranged at the bottom of the lifting platform.
Furthermore, the lifting platform is hinged with the circumferential spray pipe through a pin shaft.
To sum up, the utility model discloses following beneficial effect has:
1. the forging is cooled from the inner side and the outer side through the central spray pipe and the circumferential spray pipes, so that a steam film can be damaged in real time, and the cooling effect is improved;
2. in the cooling process, the tray drives the workpiece to rotate, so that the cooling uniformity of the forge piece is improved;
3. through pneumatic cylinder drive platform lift, drive circumference spray tube simultaneously along the round pin rotation of axes, change the nozzle spray angle of circumference spray tube, through adjusting pressure of intaking and nozzle angle to adapt to different specification product requirements.
Drawings
FIG. 1 is a schematic side view of a rotary spray quenching device for large forgings;
FIG. 2 is a schematic top view of a rotary spray quenching device for large forgings.
In the figure, 1, a central nozzle; 2. a circumferential nozzle; 3. forging; 4. a tray; 5. a motor; 6. a metal hose; 7. a main water inlet pipe; 8. a hydraulic cylinder; 9. a quenching bath; 10. a lifting platform.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
Example (b): a rotary spraying quenching device for large forgings is shown in figure 1 and comprises a quenching bath 9, a tray 4, a driving assembly and a spraying structure, wherein the driving assembly and the spraying structure are arranged in the quenching bath 9.
As shown in fig. 1, the driving assembly includes a motor 5 and a lifting platform 10, a tray 4 is arranged on the lifting platform 10, the tray 4 is located above the lifting platform 10, the tray 4 is horizontally arranged in the quenching bath 9, teeth arranged along the circumferential direction are arranged on the outer edge of the tray 4, the motor 5 is installed at the bottom of the tray 4, a gear engaged with the teeth of the tray 4 is fixed on an output shaft of the motor 5, and the motor 5 is started to drive the tray 4 to rotate. In the spraying and cooling process, the forging 3 is placed on the tray 4 and rotates together with the tray 4, so that the spraying uniformity of the forging 3 is enhanced.
As shown in fig. 1, a hydraulic cylinder 8 for controlling the lifting of the lifting platform 10 is arranged at the bottom of the lifting platform 10, and when spraying, a piston rod of the hydraulic cylinder 8 stretches and retracts to drive the lifting platform 10 to lift.
Referring to fig. 1 and 2, the spraying structure comprises a central nozzle 1 for spraying the inner side of the forging 3 and a circumferential nozzle 2 for spraying the outer side of the forging 3. The central spray pipe 1 is arranged on a central shaft of the lifting platform 10, the bottom of the central spray pipe 1 penetrates through the tray 4, a main water inlet pipe 7 is arranged in the quenching tank 9, the bottom of the central spray pipe 1 is connected with the main water inlet pipe 7, a plurality of nozzles facing in the radial direction are arranged on the central spray pipe 1, when spraying is carried out, water enters the central spray pipe 1 from the main water inlet pipe 7, then the water is sprayed out of an inner hole of the forge piece 3 through the nozzles of the central spray pipe 1 to be cooled, and the central spray pipe 1 and the lifting platform 10 move up and down together. Circumferential spray pipe 2 is arranged around lifting platform 10 and is arranged in an even circumference with central spray pipe 1 as the center, metal hose 6 is arranged between total inlet tube 7 and circumferential spray pipe 2, and lifting platform 10 and circumferential spray pipe 2 are connected through a pin shaft. The nozzles of the circumferential lance 2 are arranged towards the end of the central lance 1. During operation, the circumferential spray pipe 2 can rotate along with the extension and contraction of a piston rod of the hydraulic cylinder 8, the angle of the nozzle is adjusted, then water is sent into the circumferential spray pipe 2 from a main water inlet pipe 7 through the metal hose 6, and finally the water is sprayed out from the nozzle.
The specific implementation process comprises the following steps: at first the staff will need refrigerated forging 3 to place on tray 4, later pneumatic cylinder 8 starts and orders about lift platform 10 and go up and down, drives central spray tube 1 and goes up and down simultaneously, and circumference spray tube 2 rotates simultaneously and adjusts the spraying angle. After the positions of the central spray pipe 1 and the circumferential spray pipes 2 are adjusted, the main water inlet pipe 7 is filled with water, and part of the water is injected into the central spray pipe 1 to spray the inner hole of the forging piece 3; the other part is sent into the circumferential spray pipe 2 through a metal hose 6 to spray the outer side of the forging 3. Meanwhile, the motor 5 is started to drive the tray 4 to rotate, namely the forge piece 3 rotates, so that water energy can be more uniformly contacted with the forge piece 3, and the cooling effect of the forge piece 3 is improved.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Claims (7)
1. The rotary spray quenching device for the large forging is characterized in that: including quenching bath (9), tray (4), drive assembly and spray the structure, drive assembly with spray the structure setting in quenching bath (9), drive assembly includes lift platform (10), spray the structure including being used for central spray tube (1) that sprays forging (3) hole and be used for circumferential spray tube (2) that spray to forging (3) outside, install on lift platform (10) central spray tube (1) and circumferential spray tube (2).
2. The rotary spray quenching device for the large forged piece according to claim 1, wherein the rotary spray quenching device comprises: the driving assembly comprises a motor (5), a tray (4) is installed on the lifting platform (10), the motor (5) is installed at the bottom of the tray (4), external teeth are arranged on the outer edge of the tray (4), and an output shaft of the motor (5) is meshed with the tray (4) through a gear.
3. The rotary spray quenching device for the large forged piece according to claim 1, wherein the rotary spray quenching device comprises: the central spray pipe (1) is arranged on a central shaft of the lifting platform (10), a plurality of nozzles which face in the radial direction are arranged on the central spray pipe (1), the circumferential spray pipes (2) are arranged around the lifting platform (10) and are uniformly and circumferentially arranged by taking the central spray pipe (1) as the center, and the nozzles of the circumferential spray pipes (2) are arranged at the end parts of the circumferential spray pipes facing the central spray pipe (1).
4. The rotary spray quenching device for the large forged piece according to claim 3, wherein the rotary spray quenching device comprises: the bottom of the central spray pipe (1) is connected with a main water inlet pipe (7).
5. The rotary spray quenching device for the large forged piece according to claim 4, wherein the rotary spray quenching device comprises: and a metal hose (6) is arranged between the main water inlet pipe (7) and the circumferential spray pipe (2).
6. The rotary spray quenching device for the large forged piece according to claim 1, wherein the rotary spray quenching device comprises: and a hydraulic cylinder (8) for controlling the lifting of the lifting platform (10) is arranged at the bottom of the lifting platform.
7. The rotary spray quenching device for the large forged piece according to claim 6, wherein the rotary spray quenching device comprises: the lifting platform (10) is hinged with the circumferential spray pipe (2) through a pin shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120300033.3U CN214881702U (en) | 2021-02-02 | 2021-02-02 | Rotary spraying quenching device for large forging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120300033.3U CN214881702U (en) | 2021-02-02 | 2021-02-02 | Rotary spraying quenching device for large forging |
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| Publication Number | Publication Date |
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| CN214881702U true CN214881702U (en) | 2021-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120300033.3U Active CN214881702U (en) | 2021-02-02 | 2021-02-02 | Rotary spraying quenching device for large forging |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114517249A (en) * | 2022-03-21 | 2022-05-20 | 东北大学 | Roller hearth type quenching device and quenching method for rocket shell |
| CN115612950A (en) * | 2022-10-24 | 2023-01-17 | 安徽鑫发铝业有限公司 | Tent aluminum profile reinforcing process |
-
2021
- 2021-02-02 CN CN202120300033.3U patent/CN214881702U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114517249A (en) * | 2022-03-21 | 2022-05-20 | 东北大学 | Roller hearth type quenching device and quenching method for rocket shell |
| CN115612950A (en) * | 2022-10-24 | 2023-01-17 | 安徽鑫发铝业有限公司 | Tent aluminum profile reinforcing process |
| CN115612950B (en) * | 2022-10-24 | 2023-12-15 | 安徽鑫发铝业有限公司 | Awning aluminum profile reinforcement process |
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