Heat treatment cooling device for marine shafting forgings
By combining the design of three cooling devices, namely blowing, water spraying and immersion, the problems of uneven cooling and incomplete cooling of forgings are solved, and the effects of uniform cooling and prevention of deformation are achieved.
Patent Information
- Application Number
- CN202422638364.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-30
- Publication Date
- 2025-10-10
- Estimated Expiration
- 2034-10-30
AI Technical Summary
Existing cooling devices for heat treatment of forgings have uneven cooling, which easily leads to deformation of forgings and incomplete cooling effect.
The combined design of cooling mechanism, moving mechanism, clamping mechanism, blanking mechanism and circulating water mechanism is adopted. Through the three-step cooling method of blowing, water spraying and immersion, the forging surface is ensured to be evenly cooled and deformation is prevented.
It achieves uniform cooling of forgings, prevents deformation caused by excessive cooling, ensures thorough cooling, and improves cooling efficiency and quality.
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Figure CN223422730U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of marine shafting forgings, in particular to a marine shafting forging heat treatment cooling device. BACKGROUND
[0002] Marine shafting forgings are an indispensable important part in shipbuilding, which plays a crucial role in the propulsion and operation of the ship, mainly including thrust shaft, intermediate shaft and propeller shaft, etc. These forgings are the key components of the ship power system, responsible for transmitting the power of the ship's main engine to the propeller, thereby driving the ship forward.
[0003] The existing forging heat treatment cooling device, for example, the large forging heat treatment cooling device disclosed in the utility model patent with application number 202123409701.5, mainly includes a bracket, a fan installed on the top surface of the bracket, a water spray pipe installed on the front side of the fan blade, a plurality of evenly distributed water spray holes opened in the inner wall of the water spray pipe, a transition pipe installed on the upper side of the fan, one end of the transition pipe connected with the water spray pipe, the other end of the transition pipe installed with a water inlet pipe, and one end of the water inlet pipe connected with a water pump; in use, first open the water pump, pump water into the water inlet pipe, transition pipe, then into the water spray pipe, and sprayed out from the water spray holes on the inner wall of the water spray pipe, forming a fine water column towards the center, then turn on the fan, the strong airflow generated by the blade will scatter the water column into mist, which can blow mist cooling to the forgings placed in front of the fan, by adjusting the water inlet amount of the water pump, the spray amount can be changed, thereby obtaining different cooling speeds, when the water pump is turned off, the forgings can be blown cooling.
[0004] However, most of the existing cooling devices can only cool the forgings locally, which can easily cause uneven cooling and deformation of the forgings, and most of the existing cooling devices can only cool the forgings once, which can easily fail to achieve the cooling effect. UTILITY MODEL CONTENTS
[0005] To solve the above technical problems, the utility model provides a marine shafting forging heat treatment cooling device which can not only rotate the forgings to cool them evenly around, but also cool the forgings three times to prevent them from deforming due to rapid cooling and completely cool the forgings.
[0006] The utility model discloses a heat treatment cooling device for marine shaft forgings, comprising a cooling mechanism; two groups of moving mechanisms, two groups of clamping mechanisms, a blanking mechanism and a circulating water mechanism, wherein the two groups of moving mechanisms are both mounted on the cooling mechanism and drive the forgings to move, the two groups of clamping mechanisms are respectively mounted on the two groups of moving mechanisms and drive the forgings to rotate, the blanking mechanism is mounted on the cooling mechanism and drives the forgings to be blanked, and the circulating water mechanism is mounted on the blanking mechanism and cools the forgings; the forgings are transported to the cooling mechanism, the cooling mechanism performs an initial air blowing cooling on the forgings, then the two groups of clamping mechanisms clamp both ends of the shaft forgings and drive the forgings to rotate, the two groups of moving mechanisms drive the two groups of clamping mechanisms and the forgings to move, the circulating water mechanism performs a secondary water spray cooling on the moving forgings, and finally the forgings are immersed in cold water for a third immersion cooling, and the forgings that are completely cooled after immersion are discharged through the blanking mechanism.
[0007] Preferably, the cooling mechanism includes a workbench, a water reservoir, two groups of water reservoirs, a top plate and three groups of cooling fans. The bottom end of the workbench is in contact with the ground, the top end of the workbench is an inclined surface, the water reservoir is installed on the workbench, the bottom ends of the two groups of baffles are connected to the top end of the workbench, the bottom end of the top plate is connected to the top end of the two groups of baffles, and the three groups of cooling fans are all installed on the top plate; the two groups of clamping mechanisms clamp the forgings and transport them forward along the workbench. First, the three groups of cooling fans blow air to cool the surface of the forgings, and then the circulating water mechanism atomizes the cooling water and sprays it onto the surface of the forgings for secondary cooling. After the cooling water falls to the surface of the workbench, it converges into the water reservoir through the inclined surface. The clamping mechanism releases the clamping of the forgings, and the forgings enter the water reservoir for immersion three times for cooling, thereby ensuring the cooling effect and preventing the forgings from cooling too quickly and causing deformation cracks through three cooling cycles.
[0008] Preferably, the moving mechanism includes a motor 1, a reducer 1, a reciprocating screw and a slider, the motor 1 is mounted on the baffle, the reducer 1 is mounted on the baffle, a sliding groove is provided on the baffle, the reciprocating screw is rotatably mounted in the sliding groove of the baffle and is longitudinally connected to the reducer 1, the slider is slidably mounted on the reciprocating screw, and the two sets of clamping mechanisms are respectively mounted on the two sets of baffles; after the two sets of clamping mechanisms clamp the forging, the motor 1 is started, the motor 1 drives the reciprocating screw to rotate through the reducer 1, the reciprocating screw drives the slider to move closer to the water reservoir, and then the clamping mechanism releases the forging, and the forging falls into the water reservoir.
[0009] Preferably, the clamping mechanism includes a rack, a rotating shaft, a gear, a hydraulic cylinder, a fixed plate and a thermal insulation pad. The rack is installed in the sliding groove of the baffle, the rotating shaft is rotatably installed on the slider, the gear is installed on the rotating shaft and meshes with the rack, the hydraulic cylinder is installed on the gear, the fixed plate is installed on the hydraulic cylinder, the thermal insulation pad is installed on the fixed plate, and two sets of clamping mechanisms are respectively installed on the two sets of sliders; the hydraulic cylinder is started, and the hydraulic cylinder pushes the fixed plate and the thermal insulation pad so that the two sets of thermal insulation pads clamp the forging. By setting up two sets of thermal insulation pads, the long-term use of high-temperature forgings can be prevented from affecting the fixed plate. The slider drives the rotating shaft and the gear to move, and the gear and the rack are meshed for transmission, so that the gear drives the hydraulic cylinder, the fixed plate and the thermal insulation pad to rotate, and the thermal insulation pad drives the forging to rotate, which is convenient for the circulating water mechanism to cool the outer surface of the forging to prevent the forging from being unevenly cooled and cracked.
[0010] Preferably, the unloading mechanism includes a second motor, a second reducer, a transmission shaft and three sets of paddles. The second motor is installed on the baffle, the second reducer is installed on the baffle, the transmission shaft is rotatably installed in the water reservoir, and the three sets of paddles are all installed on the transmission shaft; when the second motor is started, the second motor drives the transmission shaft to rotate through the second reducer, and the transmission shaft drives the three sets of paddles to rotate. The paddles paddle forge the forgings, so that the forgings pass through the water reservoir and discharge the forgings after soaking and cooling. The paddles are provided with water holes, which can also disturb the water flow and improve the cooling effect.
[0011] Preferably, the circulating water mechanism includes a water pump, a water suction pipe, a water supply pipe, multiple groups of nozzles, a drainage pipe and a drain valve. The water pump is installed on the baffle, the water suction pipe is installed on the baffle and communicated with the interior of the water reservoir, the water supply pipe is installed on the water pump, multiple groups of nozzles are installed on the water supply pipe and communicated with the interior of the water supply pipe, the drainage pipe is installed on the water suction pipe and communicated with the interior of the water suction pipe, and the drain valve is installed on the drainage pipe; the reducer 2 drives the water pump to pump water, and the water pump draws out the cooling water in the water reservoir through the water suction pipe, and then transports it to the multiple groups of nozzles through the water supply pipe. The nozzles atomize the cooling water and spray it onto the surface of the forging to perform secondary cooling on the forging. After long-term use, the drain valve is opened and the cooling water is discharged through the drainage pipe.
[0012] Preferably, a filter is provided at the connection between the water suction pipe and the drainage pipe; by providing the filter at the connection between the water suction pipe and the drainage pipe, impurities in the water reservoir are prevented from entering the water suction pipe and the water pump to affect the normal operation of the water pump, and impurities are retained in the drainage pipe. After long-term use, the drain valve is opened to facilitate the discharge of wastewater and impurities in the drainage pipe and the water reservoir.
[0013] Compared with the prior art, the beneficial effects of the present invention are as follows: the forgings are transported to the cooling mechanism, the cooling mechanism performs initial air blowing cooling on the forgings, then two sets of clamping mechanisms clamp the two ends of the shaft forgings and drive the forgings to rotate, two sets of moving mechanisms drive the two sets of clamping mechanisms and the forgings to move, the circulating water mechanism performs secondary water spray cooling on the moving forgings, and finally the forgings are immersed in cold water for three immersion cooling, and the forgings that are completely cooled after immersion are unloaded through the unloading mechanism. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 This is an axonometric structural diagram of the present utility model;
[0015] Figure 2 This is a schematic diagram of the cross-sectional axonometric structure of the cooling mechanism and circulating water mechanism of the utility model;
[0016] Figure 3 This is an axonometric structural diagram of the moving mechanism and the clamping mechanism of the utility model;
[0017] Figure 4 It is a partially enlarged right side cross-sectional structural diagram of the clamping mechanism of the utility model;
[0018] Figure 5 This is a partially enlarged axonometric structural diagram of the blanking mechanism of the utility model;
[0019] Figure 6 It is a partially enlarged front view structural diagram of the circulating water mechanism of the utility model.
[0020] Markings in the attached figure: 01, cooling mechanism; 11, workbench; 12, water reservoir; 13, baffle; 14, top plate; 15, cooling fan; 02, moving mechanism; 21, motor 1; 22, reducer 1; 23, reciprocating screw; 24, slider; 03, clamping mechanism; 31, rack; 32, rotating shaft; 33, gear; 34, hydraulic cylinder; 35, fixed plate; 36, thermal insulation pad; 04, unloading mechanism; 41, motor 2; 42, reducer 2; 43, transmission shaft; 44, paddle; 05, circulating water mechanism; 51, water pump; 52, suction pipe; 53, water supply pipe; 54, nozzle; 55, drainage pipe; 56, sewage valve. DETAILED DESCRIPTION
[0021] To facilitate understanding of the present invention, a more comprehensive description of the present invention will be provided below with reference to the accompanying drawings. The present invention can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and comprehensive understanding of the present invention. Example 1
[0022] The utility model is a heat treatment cooling device for marine shaft forgings, comprising a cooling mechanism 01; further comprising two groups of moving mechanisms 02, two groups of clamping mechanisms 03, a blanking mechanism 04 and a circulating water mechanism 05, wherein the two groups of moving mechanisms 02 are mounted on the cooling mechanism 01 and drive the forgings to move, the two groups of clamping mechanisms 03 are respectively mounted on the two groups of moving mechanisms 02 and drive the forgings to rotate, the blanking mechanism 04 is mounted on the cooling mechanism 01 and drives the forgings to be blanked, and the circulating water mechanism 05 is mounted on the blanking mechanism 04 and cools the forgings; the cooling mechanism The structure 01 includes a workbench 11, a water reservoir 12, two groups of water reservoirs 12, a top plate 14 and three groups of cooling fans 15. The bottom end of the workbench 11 is in contact with the ground, the top end of the workbench 11 is an inclined surface, the water reservoir 12 is mounted on the workbench 11, the bottom ends of the two groups of baffles 13 are connected to the top end of the workbench 11, the bottom end of the top plate 14 is connected to the top end of the two groups of baffles 13, and the three groups of cooling fans 15 are all mounted on the top plate 14; the moving mechanism 02 includes a motor 21, a reducer 22, a reciprocating screw 23 and a slider 24. The motor 21 is mounted on The baffle 13 is provided with a sliding groove, the reciprocating screw 23 is rotatably mounted in the sliding groove of the baffle 13 and is longitudinally connected to the reducer 22, the slider 24 is slidably mounted on the reciprocating screw 23, and the two sets of clamping mechanisms 03 are respectively mounted on the two sets of baffles 13; the clamping mechanism 03 includes a rack 31, a rotating shaft 32, a gear 33, a hydraulic cylinder 34, a fixed plate 35 and a thermal insulation pad 36, the rack 31 is mounted in the sliding groove of the baffle 13, the rotating shaft 32 is rotatably mounted on the slider 24, and the gear 33 is mounted on the slider 24. It is mounted on the rotating shaft 32 and meshes with the rack 31, the hydraulic cylinder 34 is mounted on the gear 33, the fixed plate 35 is mounted on the hydraulic cylinder 34, the thermal insulation pad 36 is mounted on the fixed plate 35, and the two sets of clamping mechanisms 03 are respectively mounted on the two sets of sliders 24; the unloading mechanism 04 includes a second motor 41, a second reducer 42, a transmission shaft 43 and three sets of shift plates 44, the second motor 41 is mounted on the baffle 13, the second reducer 42 is mounted on the baffle 13, the transmission shaft 43 is rotatably mounted in the water reservoir 12, and the three sets of shift plates 44 are all mounted on the transmission shaft 43;When it is working, first, start the hydraulic cylinder 34, the hydraulic cylinder 34 pushes the fixed plate 35 and the thermal insulation pad 36, so that the two groups of thermal insulation pads 36 clamp the forging, and by setting two groups of thermal insulation pads 36, the long-term use of high-temperature forgings is prevented from affecting the fixed plate 35. The three groups of cooling fans 15 blow air to cool the surface of the forging, and start the motor 21. The motor 21 drives the reciprocating screw 23 to rotate through the reducer 22. The reciprocating screw 23 drives the slider 24 to move closer to the water reservoir 12. The slider 24 drives the rotating shaft 32 and the gear 33 to move. The gear 33 and the rack 31 engage for transmission, so that the gear 33 drives the hydraulic cylinder 34, the fixed plate 35 and the thermal insulation pad 36 to rotate, and the thermal insulation pad 36 drives the forging to rotate The forgings are cooled by the circulating water mechanism 05, which then atomizes the cooling water and sprays it onto the forgings' surfaces for secondary cooling. The cooling water then falls onto the workbench 11 and converges into the water reservoir 12 via an inclined surface. The clamping mechanism 03 releases its grip on the forgings, allowing them to enter the water reservoir 12 for a third cooling soak. The second motor 41 is then started, which rotates the drive shaft 43 via the second reducer 42. The drive shaft 43 then rotates the three sets of paddles 44, which move the forgings through the water reservoir 12 and discharge them after immersion. The paddles 44 have water holes that disturb the water flow, improving the cooling effect. Example 2
[0023] like Figures 1 to 6As shown, a heat treatment cooling device for marine shafting forgings of the present invention is based on Example 1; the circulating water mechanism 05 includes a water pump 51, a water pumping pipe 52, a water delivery pipe 53, multiple groups of nozzles 54, a drainage pipe 55 and a drain valve 56, the water pump 51 is installed on the baffle 13, the water pumping pipe 52 is installed on the baffle 13 and communicated with the inside of the water reservoir 12, the water delivery pipe 53 is installed on the water pump 51, multiple groups of nozzles 54 are installed on the water delivery pipe 53 and communicated with the inside of the water delivery pipe 53, the drainage pipe 55 is installed on the water pumping pipe 52 and communicated with the inside of the water pumping pipe 52, and the drain valve 56 is installed on the drainage pipe 55; it also includes a connection between the water pumping pipe 52 and the drainage pipe 55 A filter is provided at the location; when it is working, first, the hydraulic cylinder 34 is started, and the hydraulic cylinder 34 pushes the fixed plate 35 and the thermal insulation pad 36, so that the two groups of thermal insulation pads 36 clamp the forging. By setting two groups of thermal insulation pads 36, the long-term use of high-temperature forgings is prevented from affecting the fixed plate 35. Three groups of cooling fans 15 blow air to cool the surface of the forging, and start the motor 21. The motor 21 drives the reciprocating screw 23 to rotate through the reducer 22. The reciprocating screw 23 drives the slider 24 to move closer to the water reservoir 12. The slider 24 drives the rotating shaft 32 and the gear 33 to move. The gear 33 and the rack 31 engage and transmit, so that the gear 33 drives the hydraulic cylinder 34. The fixed plate 35 and the insulation pad 36 rotate, and the insulation pad 36 drives the forging to rotate, which facilitates the circulating water mechanism 05 to cool the outer surface of the forging to prevent the forging from cracking due to uneven cooling. At the same time, the reducer 2 42 drives the water pump 51 to pump water. The water pump 51 extracts the cooling water in the water reservoir 12 through the pumping pipe 52, and then transports it to the multiple groups of nozzles 54 through the water pipe 53. The nozzles 54 atomize the cooling water and spray it onto the surface of the forging to perform secondary cooling on the forging. After the cooling water falls on the surface of the workbench 11, it converges into the water reservoir 12 through the inclined surface. The clamping mechanism 03 releases the clamping of the forging, and the forging enters the water reservoir 12 and is immersed three times. Cooling, start the second motor 41, the second motor 41 drives the transmission shaft 43 to rotate through the second reducer 42, the transmission shaft 43 drives the three sets of dial plates 44 to rotate, the dial plates 44 dial the forgings, so that the forgings pass through the water reservoir 12, and the forgings after soaking and cooling are discharged. There are water holes on the dial plates 44, which can also disturb the water flow and improve the cooling effect. By setting a filter at the connection between the water pump 52 and the drainage pipe 55, impurities in the water reservoir 12 are prevented from entering the water pump 52 and the water pump 51 to affect the normal operation of the water pump 51. Impurities are retained in the drainage pipe 55. After long-term use, open the drain valve 56 to facilitate the discharge of wastewater and impurities in the drainage pipe 55 and the water reservoir 12.
[0024] The motor 21, reducer 22, motor 2 41, reducer 2 42 and water pump 51 of the utility model are purchased on the market. Technicians in this industry only need to install and operate them according to the accompanying instruction manual, without the need for creative work by technicians in this field.
[0025] The above merely describes preferred embodiments of the present application, and it should be noted that, for those skilled in the art, without departing from the technical principles of the present application, a number of improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present application.
Claims
1. A heat treatment cooling device for marine shafting forgings, comprising a cooling mechanism (01); characterized in that: The invention also includes two groups of moving mechanisms (02), two groups of clamping mechanisms (03), a blanking mechanism (04) and a circulating water mechanism (05). The two groups of moving mechanisms (02) are both installed on the cooling mechanism (01) and drive the forging to move. The two groups of clamping mechanisms (03) are respectively installed on the two groups of moving mechanisms (02) and drive the forging to rotate. The blanking mechanism (04) is installed on the cooling mechanism (01) and drives the forging to be blanked. The circulating water mechanism (05) is installed on the blanking mechanism (04) and cools the forging.
2. A heat treatment cooling device for marine shafting forgings according to claim 1, characterized in that: The cooling mechanism (01) includes a workbench (11), a water reservoir (12), two groups of water reservoirs (12), a top plate (14) and three groups of cooling fans (15). The bottom end of the workbench (11) contacts the ground, the top end of the workbench (11) is an inclined surface, the water reservoir (12) is mounted on the workbench (11), the bottom ends of the two groups of baffles (13) are connected to the top end of the workbench (11), the bottom end of the top plate (14) is connected to the top ends of the two groups of baffles (13), and the three groups of cooling fans (15) are all mounted on the top plate (14).
3. A heat treatment cooling device for marine shafting forgings according to claim 2, characterized in that: The moving mechanism (02) includes a motor (21), a reducer (22), a reciprocating screw (23) and a slider (24). The motor (21) is mounted on the baffle (13), the reducer (22) is mounted on the baffle (13), a sliding groove is provided on the baffle (13), the reciprocating screw (23) is rotatably mounted in the sliding groove of the baffle (13) and is longitudinally connected to the reducer (22), the slider (24) is slidably mounted on the reciprocating screw (23), and the two sets of clamping mechanisms (03) are respectively mounted on the two sets of baffles (13).
4. A heat treatment cooling device for marine shafting forgings according to claim 3, characterized in that: The clamping mechanism (03) includes a rack (31), a rotating shaft (32), a gear (33), a hydraulic cylinder (34), a fixed plate (35) and a thermal insulation pad (36). The rack (31) is installed in the sliding groove of the baffle (13). The rotating shaft (32) is rotatably installed on the slider (24). The gear (33) is installed on the rotating shaft (32) and meshes with the rack (31). The hydraulic cylinder (34) is installed on the gear (33). The fixed plate (35) is installed on the hydraulic cylinder (34). The thermal insulation pad (36) is installed on the fixed plate (35). Two sets of clamping mechanisms (03) are respectively installed on the two sets of sliders (24).
5. A heat treatment cooling device for marine shafting forgings according to claim 2, characterized in that: The unloading mechanism (04) includes a second motor (41), a second reducer (42), a transmission shaft (43) and three sets of shift plates (44). The second motor (41) is mounted on the baffle (13), the second reducer (42) is mounted on the baffle (13), the transmission shaft (43) is rotatably mounted in the water reservoir (12), and the three sets of shift plates (44) are all mounted on the transmission shaft (43).
6. A heat treatment cooling device for marine shafting forgings according to claim 2, characterized in that: The circulating water mechanism (05) includes a water pump (51), a water extraction pipe (52), a water delivery pipe (53), a plurality of nozzles (54), a drainage pipe (55) and a sewage valve (56). The water pump (51) is mounted on the baffle (13), the water extraction pipe (52) is mounted on the baffle (13) and is communicated with the interior of the water reservoir (12), the water delivery pipe (53) is mounted on the water pump (51), the plurality of nozzles (54) are mounted on the water delivery pipe (53) and are communicated with the interior of the water delivery pipe (53), the sewage pipe (55) is mounted on the water extraction pipe (52) and is communicated with the interior of the water extraction pipe (52), and the sewage valve (56) is mounted on the drainage pipe (55).
7. A heat treatment cooling device for marine shafting forgings according to claim 6, characterized in that: A filter screen is also provided at the connection between the water extraction pipe (52) and the debris discharge pipe (55).
Citation Information
Patent Citations
Heat treatment cooling device for large forgings
CN216688222U