Efficient energy-saving heat treatment device of automobile component metallurgical equipment

Abstract

The invention belongs to the technical field of automobile component metallurgical equipment, and particularly relates to an efficient energy-saving heat treatment device of the automobile component metallurgical equipment, which comprises a furnace body, a first sealing door and a second sealing door are sequentially arranged on the furnace body from outside to inside, and the second sealing door divides the interior of the furnace body into a temperature buffer cavity and a heating cavity; a swing mechanism is arranged in the temperature buffering cavity, when the automobile component is cooled, the automobile component is transferred to the temperature buffering cavity, then the second sealing door is closed, meanwhile, the air blower introduces external air into the temperature buffering cavity, a swing pipe and a spray head are driven to swing left and right through introduced wind power, and the automobile component is comprehensively cooled. Through blocking of the double sealing doors, the heat exchange frequency of the heating cavity and the external environment is reduced, energy waste is greatly reduced, the energy-saving and environment-friendly performance of equipment is remarkably improved, the energy cost expenditure in the production process of an enterprise is reduced, and the current concept of green manufacturing and sustainable development is met.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of automobile component metallurgical equipment, and particularly relates to a high-efficiency energy-saving heat treatment device of automobile component metallurgical equipment. BACKGROUND

[0002] At present, the automobile industry develops rapidly, and the quality and production efficiency of automobile components become the focus of the industry, and heat treatment as a key link of automobile component manufacturing has strict requirements on equipment performance; in the field of modern automobile industry, the quality and performance of automobile components directly affect the safety, reliability and durability of the whole vehicle, and the equipment of metallurgical heat treatment as the core process for improving the performance of automobile components plays a decisive role; with the rapid development of the automobile industry and the strict requirements of global energy saving and emission reduction, the traditional automobile component metallurgical heat treatment device gradually exposes many drawbacks.

[0003] Problems existing in the prior art: Most of the existing heat treatment equipment adopts a single sealing door structure, and when continuously processing automobile components, the heating cavity is frequently connected with the outside, which leads to a large amount of heat loss, and the energy waste caused by heat loss accounts for 20%-30% of the total energy consumption, which not only greatly increases the production cost, but also goes against the current concept of green manufacturing; in addition, a large amount of high-temperature waste gas is generated in the process of heat treatment of automobile components, but the existing equipment cannot fully recover and reuse the waste heat, so that this valuable energy is wasted, on the one hand, the energy waste increases the production cost of enterprises and reduces the market competitiveness of enterprises; on the other hand, it is not in line with the requirements of sustainable development and is not conducive to the long-term development of the industry. SUMMARY

[0004] The purpose of the present application is to provide a high-efficiency energy-saving heat treatment device of automobile component metallurgical equipment, which can reduce the heat exchange frequency between the heating cavity and the outside environment through the blocking of the double sealing doors, greatly reduce the energy waste, significantly improve the energy-saving and environmental protection performance of the equipment, reduce the energy cost in the production process of enterprises, and meet the current concept of green manufacturing and sustainable development.

[0005] The technical scheme adopted by the present application is as follows: A high-efficiency energy-saving heat treatment device of automobile component metallurgical equipment, comprising a furnace body, a first sealing door and a second sealing door are sequentially arranged on the furnace body from the outside to the inside, and the second sealing door divides the inside of the furnace body into a temperature buffer cavity and a heating cavity; An oscillating mechanism is arranged in the temperature buffer cavity, when cooling the automobile components, the automobile components are moved to the temperature buffer cavity, the second sealing door is closed, at the same time, the air blower introduces external air into the temperature buffer cavity, and the introduced air drives the oscillating pipe and the spray head to oscillate left and right, so as to comprehensively cool the automobile components; The top of the furnace body is provided with a waste heat collection mechanism for heat storage, and the air pump introduces the hot air in the temperature buffer cavity into the collection tank for storage; when the temperature sensor detects that the temperature in the collection tank is higher than that in the temperature buffer cavity, the air pump stops working; The top of the furnace body is provided with a driving mechanism for driving the first sealing door and the second sealing door to independently lift; When the automobile component is preheated, the automobile component is moved into the temperature buffer cavity, the first sealing door is closed, the collection tank is inflated by the air pump, and the heated gas in the collection tank is introduced into the temperature buffer cavity to preheat the new workpiece; Finally, the automobile component is moved into the heating cavity for heating treatment, and the second sealing door is closed.

[0006] The swinging mechanism comprises a mounting pipe arranged in the temperature buffer cavity, a plurality of mounting holes are arranged in the top of the mounting pipe in a transverse equidistant array, a swinging pipe is sealingly and rotatably arranged in the mounting hole, and a plurality of nozzles are arranged on one side of the swinging pipe in a vertical equidistant array.

[0007] A fixed block is fixed to the inner side of the swinging pipe, a limiting waist groove is formed in the bottom of the fixed block, a mounting lug is fixed to the inner side of the mounting pipe, a third rotating shaft is rotatably arranged in the bottom of the mounting lug, and an L-shaped sliding block in sliding connection with the limiting waist groove is arranged on the top of the third rotating shaft.

[0008] A fan blade is arranged on the outer wall of the third rotating shaft, and a guide plate is arranged in the mounting pipe on the side of the fan blade.

[0009] The waste heat collection mechanism comprises a collection tank arranged on the top of the furnace body, a heat conducting layer is arranged on the inner side of the collection tank, and two friction rings are arranged on the inner side of the heat conducting layer.

[0010] A fourth rotating shaft is rotatably arranged in the collection tank, a plurality of fixed pipes are arranged on the outer wall of the fourth rotating shaft in a circumferential equidistant array, an expansion rod is inserted into the fixed pipe, and a friction block in frictional contact with the friction ring is fixed to one end of the expansion rod.

[0011] Both inner ends of the collection tank are provided with mounting grooves, and turbine blades are fixed to both ends of the fourth rotating shaft in the mounting grooves.

[0012] A plurality of ceramic heat accumulators are arranged in the collection tank, one end of the first heat conducting plate is inserted into the ceramic heat accumulator, and a plurality of polygonal holes are arranged on the outer wall of the ceramic heat accumulator and the ceramic heat accumulator.

[0013] The inside of the temperature buffer cavity is provided with a plurality of waste heat recovery grilles, the air inlet of the collection tank is connected with a first heat preservation pipe, and the other end of the first heat preservation pipe is communicated with the waste heat recovery grilles, the outer wall of the furnace body is provided with an air pump connected with the first heat preservation pipe, the air outlet of the collection tank is connected with a second heat preservation pipe, the other end of the second heat preservation pipe is communicated with the installation pipe, the outer wall of the first heat preservation pipe is provided with a first electromagnetic valve, and the outer wall of the second heat preservation pipe is provided with a second electromagnetic valve.

[0014] One side of the furnace body is provided with an installation pipe communicated with a blower, and one side of the blower is provided with a third electromagnetic valve.

[0015] The technical effects obtained by the present application are: The present application adopts the double-sealing structure design of the first sealing door and the second sealing door, compared with the traditional single-sealing door heat treatment equipment, when continuously processing automobile components, the heat loss in the heating cavity can be effectively reduced; through the blocking of the double-sealing door, the heat exchange frequency between the heating cavity and the external environment is reduced, the energy waste is greatly reduced, the energy saving and environmental protection performance of the equipment is significantly improved, the energy cost expenditure in the production process of enterprises is reduced, and the concept of green manufacturing and sustainable development is met.

[0016] Through the swing mechanism in the temperature buffer cavity, the swing pipe and the nozzle are driven to reciprocate left and right by gas flow, compared with the traditional fixed nozzle device, the area of air covering the automobile component is increased, and air is uniformly blown to the surface of the automobile component; when the automobile component is cooled or preheated, the uniform air flow can avoid the problem of too large local temperature difference of the component, effectively reduce the quality defects such as deformation and crack caused by uneven temperature, and improve the overall processing quality of the automobile component.

[0017] The waste heat collection mechanism provided by the present application realizes efficient recovery and storage of waste heat generated in the heat treatment process by combining ceramic heat storage bodies with friction heat generation; the waste heat recovery efficiency is improved, the ceramic heat storage bodies are made of cordierite ceramic honeycomb bodies, and the design of the polygonal hole increases the contact area with air and strengthens the absorption and release of heat; at the same time, the friction block and the friction ring generate heat by friction, which further supplements the heat storage; the recovered heat can be used for preheating of the automobile component, forming a recycling of heat, and further improving the overall energy utilization rate of the equipment, effectively reducing the dependence on external energy. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a front view of the present application; Figure 2 is a bottom view of the present application; Figure 3 is a top view of the present application; Figure 4 is a structure schematic diagram of a swing mechanism of the present application; Figure 5 is a structure schematic diagram of a collection tank of the present application; Figure 6 is a structure schematic diagram of an inside of a collection tank of the present application; Figure 7 is a structure schematic diagram of a friction ring and a friction block of the present application; Figure 8 is a structure schematic diagram of a turbine blade of the present application; Figure 9 is a structure schematic diagram of a driving mechanism of the present application; Figure 10 is a structure schematic diagram of a Figure 9 is a structure schematic diagram of an A area of the present application.

[0019] In the drawings, the components represented by each reference numeral are listed as follows: 1, furnace body; 2, first sealing door; 3, second sealing door; 4, first guide groove; 5, driving mechanism; 51, motor; 52, speed reducer; 53, telescopic guide shaft; 54, hydraulic cylinder; 55, mounting plate; 56, first brake disc; 57, first rotating shaft; 58, second brake disc; 59, second rotating shaft; 510, worm gear set; 511, winding roller; 512, steel cable; 513, guide wheel; 6, swing mechanism; 61, mounting pipe; 62, swing pipe; 63, fixed block; 64, limiting waist groove; 65, mounting lug; 66, third rotating shaft; 67, L-shaped sliding block; 68, fan blade; 69, guide plate; 7, waste heat collection mechanism; 71, collection tank; 72, heat conduction layer; 73, first heat conduction plate; 74, friction ring; 75, fourth rotating shaft; 76, fixed pipe; 77, telescopic rod; 78, friction block; 79, polygonal hole; 710, ceramic heat accumulator; 711, mounting groove; 712, turbine blade; 8, first heat preservation pipe; 9, air pump; 10, first electromagnetic valve; 11, second heat preservation pipe; 12, second electromagnetic valve; 13, waste heat recovery grille; 14, pressure relief valve; 15, chain; 16, object placing table; 17, air blower. DETAILED DESCRIPTION

[0020] In order to make the purpose and advantages of the present application more clear and explicit, the present application is specifically described below in combination with examples. It should be understood that the following text is only used to describe one or several specific embodiments of the present application, and does not strictly limit the protection scope of the present application.

[0021] As Figures 1-3As shown, a kind of high-efficiency energy-saving heat treatment device of automobile component metallurgical equipment, including furnace body 1, first sealing door 2 and second sealing door 3 are sequentially arranged from outside to inside on furnace body 1, two first guide grooves 4 for the sealing sliding connection of first sealing door 2 and second sealing door 3 are opened in the top of furnace body 1, and second sealing door 3 separates the inside of furnace body 1 into temperature buffer cavity and heating cavity; As Figure 1 As shown, the inner bottom wall of furnace body 1 is provided with two second sliding grooves, the inside of the two ends of the second sliding grooves is provided with a ratchet wheel, a chain 15 is arranged between the two ratchet wheels, a second sliding block fixed with chain 15 is slidably installed in the inside of second sliding groove, and a placing table 16 is fixed between the top of the two second sliding blocks, for the movement of automobile component between temperature buffer cavity and heating cavity, and also for the movement of automobile component to the outside of furnace body 1, increase the practicability of the equipment; The setting of first sealing door 2 and second sealing door 3 can effectively reduce the heat loss in the heating cavity when continuously heat treating automobile components, and increase the energy saving and environmental protection of the equipment; As Figure 4 As shown, the inside of temperature buffer cavity is provided with swing mechanism 6, swing mechanism 6 includes installation pipe 61 arranged in temperature buffer cavity, a plurality of installation ports are transversely equidistantly arranged on the top of installation pipe 61, swing pipe 62 is sealingly and rotatably installed in the inside of installation port, swing pipe 62 is communicated with installation pipe 61, and a plurality of nozzles are vertically equidistantly arranged on one side of swing pipe 62. The inside bottom of swing pipe 62 is fixed with fixed block 63, limit waist groove 64 is through-opened in the bottom of fixed block 63, installation ear 65 is fixed in the inside of installation pipe 61, third rotating shaft 66 is rotatably installed in the bottom of installation ear 65, L-shaped sliding block 67 slidably connected with limit waist groove 64 is fixed on the top of third rotating shaft 66;The outer wall of third rotating shaft 66 is provided with fan blade 68, and guide plate 69 is arranged in the inside of installation pipe 61 and on the side of fan blade 68. According to the above structure, when the gas flows through installation pipe 61, it is guided by guide plate 69 and blows fan blade 68 to rotate, fan blade 68 drives third rotating shaft 66 to rotate, third rotating shaft 66 drives L-shaped sliding block 67 to rotate, the top end of L-shaped sliding block 67 is slidably connected with limit waist groove 64, and swing pipe 62 reciprocates left and right in the rotation process of L-shaped sliding block 67 by fixed block 63, and then drives nozzles to reciprocate left and right, which increases the range of blowing, and also makes air evenly blow on automobile components, thereby improving the cooling or preheating effect on automobile components.

[0022] As Figure 3 , Figure 5 , Figure 6 , Figure 7 And Figure 8As shown, the top of the furnace body 1 is provided with a waste heat collection mechanism 7 for heat storage, the waste heat collection mechanism 7 includes a collection tank 71 provided on the top of the furnace body 1, the top of the collection tank 71 is provided with a pressure relief valve 14, the inner side of the collection tank 71 is provided with a heat conducting layer 72, the inner side of the heat conducting layer 72 is provided with two friction rings 74; The fourth rotating shaft 75 is rotatably installed in the inside of the collection tank 71, the outer wall of the fourth rotating shaft 75 is equidistantly arrayed with a plurality of fixed pipes 76 in the circumferential direction, the inside of the fixed pipe 76 is inserted with an expansion rod 77, one end of the expansion rod 77 is fixed with a first spring fixed to the inside of the fixed pipe 76, one end of the expansion rod 77 is fixed with a friction block 78 in frictional contact with the friction ring 74; Both inner ends of the collection tank 71 are provided with mounting grooves 711, both ends of the fourth rotating shaft 75 are fixed with turbine blades 712 in the mounting grooves 711; The inside of the collection tank 71 is provided with a plurality of ceramic heat accumulators 710, and one end of the first heat conducting plate 73 is inserted into the ceramic heat accumulator 710, the ceramic heat accumulator 710 and the outer wall of the ceramic heat accumulator 710 are both provided with a plurality of polygonal holes 79; The inside of the temperature buffer cavity is provided with a plurality of waste heat recovery grilles 13, the air inlet of the collection tank 71 is connected with a first heat preservation pipe 8, and the other end of the first heat preservation pipe 8 is in communication with the waste heat recovery grille 13, the outer wall of the furnace body 1 is provided with an air pump 9 connected with the first heat preservation pipe 8, the air outlet of the collection tank 71 is connected with a second heat preservation pipe 11, and the other end of the second heat preservation pipe 11 is in communication with the mounting pipe 61; the outer wall of the first heat preservation pipe 8 is provided with a first electromagnetic valve 10, and the outer wall of the second heat preservation pipe 11 is provided with a second electromagnetic valve 12; one side of the furnace body 1 is provided with a mounting pipe 61 in communication with a blower 17, and one side of the blower 17 is provided with a third electromagnetic valve; The inside of the waste heat recovery grille 13 and the inside of the collection tank 71 are both provided with temperature sensors for detecting the temperature of the air to be introduced into the collection tank 71 and the temperature of the collected air in the collection tank 71.

[0023] According to the above structure, when cooling the automobile component after heat treatment, the second electromagnetic valve 12 is closed and the first electromagnetic valve 10 is opened, the air heated by the automobile component is introduced into the collection tank 71 through the air pump 9, the hot air enters the collection tank 71 and blows onto the ceramic heat accumulator 710, the ceramic heat accumulator 710 stores heat, at the same time, the hot air drives the turbine blades 712 to rotate, the turbine blades 712 drive the fourth rotating shaft 75 to rotate, the fourth rotating shaft 75 drives the expansion rod 77 on the fixed pipe 76 to rotate around the fourth rotating shaft 75, the expansion rod 77 drives the friction block 78 to rotate and frictionally contact with the friction ring 74 to generate heat, the generated heat is transmitted to the ceramic heat accumulator 710 through the first heat conducting plate 73, the ceramic heat accumulator 710 collects and stores heat, improving the heat preservation effect and storage effect of the hot air; When utilizing the collected heat, the first solenoid valve 10 and the second solenoid valve 12 are opened, and the air pump 9 is started. The hot air from the collection tank 71 is then introduced into the installation pipe 61 through the second insulation pipe 11. Simultaneously, the flowing hot air drives the swing pipe 62 to swing. The hot air is then sprayed through the nozzle onto the automotive components that need preheating for preheating treatment. The air pump 9 is then used to circulate the gas in the temperature buffer chamber through the collection tank 71, where it is heated by the ceramic heat storage body 710, and then returns to the temperature buffer chamber to preheat the automotive components. This improves the preheating effect on the automotive components and makes the equipment more energy-efficient. In addition, during the discharge of hot air from the collection tank 71, the turbine blades 712 are also driven to rotate, allowing the friction block 78 to continue to generate heat through friction with the friction ring 74. This further improves the heating of the air circulating into the collection tank 71 and also enhances the preheating effect on the automotive components. The ceramic heat storage body 710 is made of cordierite ceramic honeycomb, which realizes efficient heat storage and release. The first spring installed in the fixed tube 76 can push the friction block 78 on the telescopic rod 77 to always be in contact with the friction ring 74, thereby improving its frictional heat generation effect. The polygonal holes 79 increase the contact area between the air and the ceramic heat storage body 710, further improving the heat collection and release effect of the ceramic heat storage body 710. The first heat-conducting plate 73 facilitates the better transfer of heat generated by friction to the ceramic heat storage body 710.

[0024] like Figures 9-10 As shown, a drive mechanism 5 is provided on the top of the furnace body 1 for driving the first sealing door 2 and the second sealing door 3 to rise and fall independently. The drive mechanism 5 includes a motor 51 located on the top of the furnace body 1 and between the first sealing door 2 and the second sealing door 3. A reducer 52 connected to the output shaft of the motor 51 is provided on the top of the furnace body 1. Both output shafts of the reducer 52 are connected to telescopic guide shafts 53. A mounting bracket is provided on the top of the furnace body 1 and on one side of the reducer 52. Two hydraulic cylinders 54 are symmetrically arranged on the mounting bracket. The output shaft of the hydraulic cylinder 54 is fixed with a mounting plate 55. The outer wall of the mounting plate 55 is rotatably mounted with a mounting plate 55 fixedly connected to the telescopic guide shaft 53. The telescopic guide shaft 53 includes a shaft tube and a limiting shaft. The limiting shaft is inserted into the shaft tube. The outer wall of the limiting shaft is provided with a limiting protrusion. The inner side of the shaft tube is provided with a limiting groove that slides and connects with the limiting protrusion. The top of the furnace body 1 is provided with two first rotating shafts 57, one end of the first rotating shaft 57 is provided with a second brake disc 58 engaged with a first brake disc 56, the top of the furnace body 1 and on both sides of the motor 51 are provided with second rotating shafts 59, the middle part of the second rotating shaft 59 is provided with a worm gear set 510 connected with the first rotating shaft 57, both ends of the second rotating shaft 59 are fixedly provided with winding rollers 511, both sides of the bottom of the first sealing door 2 and the second sealing door 3 are fixedly provided with steel wires 512, and the other end of the steel wire 512 is wound on the winding roller 511, and the top of the furnace body 1 is provided with guide wheels 513 corresponding to the steel wire 512. The first brake disc 56 and the second brake disc 58 are fixedly provided with a plurality of teeth on the opposite side, which is used for increasing the friction force of the contact between the first brake disc 56 and the second brake disc 58, and improving the transmission effect.

[0025] According to the above structure, when the first sealing door 2 and the second sealing door 3 are controlled to open or close, the corresponding hydraulic cylinder 54 is started, the hydraulic cylinder 54 drives the mounting plate 55 to move, the mounting plate 55 drives the first brake disc 56 to move, which is used for controlling the engagement and separation of the first brake disc 56 and the second brake disc 58, when the second brake disc 58 and the first brake disc 56 are engaged, the motor 51 is started, the motor 51 drives the speed reducer 52 to rotate, the speed reducer 52 drives the telescopic guide shaft 53 to rotate, the telescopic guide shaft 53 drives the first brake disc 56 to rotate, the first brake disc 56 drives the second brake disc 58 to rotate, the second brake disc 58 drives the first rotating shaft 57 to rotate, the first rotating shaft 57 drives the second rotating shaft 59 to rotate through the worm gear set 510, the second rotating shaft 59 drives the winding roller 511 to rotate, and the winding roller 511 controls the first sealing door 2 and the second sealing door 3 to synchronously lift or individually lift through the steel wire 512, thereby controlling the individual opening and closing or synchronous opening and closing of the first sealing door 2 and the second sealing door 3, and the flexibility of opening of the first sealing door 2 and the second sealing door 3 is improved. The worm gear set 510 is arranged, when the first brake disc 56 and the second brake disc 58 are separated, the second rotating shaft 59 can be self-locked through the worm gear set 510, and the stability of the equipment in use is improved.

[0026] The working principle of the present application is that the automobile component is moved into the heating cavity through the placing table 16, the second sealing door 3 is closed, and the automobile component is heated; during the whole processing process, the driving mechanism 5 can flexibly control the opening and closing of the first sealing door 2 and the second sealing door 3 according to the needs, the engagement state of the first brake disc 56 and the second brake disc 58 is adjusted through the hydraulic cylinder 54, the motor 51 drives the winding roller 511 to rotate through the speed reducer 52, the telescopic guide shaft 53, the worm gear set 510 and other components, the lifting of the sealing door is controlled through the steel wire 512, and the stable operation of the equipment is ensured. When the automobile component needs to be cooled, first, the state of the first sealing door 2 and the second sealing door 3 is controlled by the driving mechanism 5, the automobile component is placed on the placing table 16, the placing table 16 is moved to the temperature buffer cavity by the second sliding block through the transmission of the ratchet and chain 15, then the second sealing door 3 is closed, the air blower 17 is started, the air blower 17 introduces the external air into the temperature buffer cavity and into the installation pipe 61, when the air flows through the installation pipe 61, the air blows the impeller 68 to rotate under the guidance of the flow guide plate 69, the impeller 68 drives the third rotating shaft 66 to rotate, further makes the L-shaped sliding block 67 slide in the limiting waist groove 64, drives the swing pipe 62 and the nozzle to reciprocate left and right, and the automobile component is comprehensively cooled; at the same time, the air pump 9 is started, the first electromagnetic valve 10 is opened, the second electromagnetic valve 12 is closed, the air heated by the automobile component in the temperature buffer cavity is introduced into the collecting tank 71 through the waste heat recovery grille 13 and the first heat preservation pipe 8; the hot air blows on the ceramic heat accumulator 710, the ceramic heat accumulator 710 stores the heat, the hot air drives the turbine blade 712 to rotate, drives the fourth rotating shaft 75 to rotate, makes the telescopic rod 77 on the fixed pipe 76 rotate around the fourth rotating shaft 75, the friction block 78 on the telescopic rod 77 and the friction ring 74 rub to generate heat, the heat is transmitted to the ceramic heat accumulator 710 through the first heat conduction plate 73, and the heat storage effect is improved; when the temperature sensor detects that the temperature in the collecting tank 71 is higher than the temperature in the temperature buffer cavity, the air pump 9 stops working. When the automobile component needs to be cooled, first, the state of the first sealing door 2 and the second sealing door 3 is controlled by the driving mechanism 5, the automobile component is placed on the placing table 16, the placing table 16 is moved to the temperature buffer cavity by the second sliding block through the transmission of the ratchet and chain 15, then the second sealing door 3 is closed, the air blower 17 is started, the air blower 17 introduces the external air into the temperature buffer cavity and into the installation pipe 61, when the air flows through the installation pipe 61, the air blows the impeller 68 to rotate under the guidance of the flow guide plate 69, the impeller 68 drives the third rotating shaft 66 to rotate, further makes the L-shaped sliding block 67 slide in the limiting waist groove 64, drives the swing pipe 62 and the nozzle to reciprocate left and right, and the automobile component is comprehensively cooled; at the same time, the air pump 9 is started, the first electromagnetic valve 10 is opened, the second electromagnetic valve 12 is closed, the air heated by the automobile component in the temperature buffer cavity is introduced into the collecting tank 71 through the waste heat recovery grille 13 and the first heat preservation pipe 8; the hot air blows on the ceramic heat accumulator 710, the ceramic heat accumulator 710 stores the heat, the turbine blade 712 rotates, the friction block 78 and the friction ring 74 continue to rub to generate heat, the air circulating into the collecting tank 71 is heated, and the preheating efficiency is improved.

[0027] The above only describes the preferred embodiments of the present application, and it should be pointed out that, for ordinary skilled in the art, without departing from the principles of the present application, a number of improvements and refinements can be made, and these improvements and refinements should be considered as the protection scope of the present application. The structures, devices and operation methods not specifically described and explained in the present application are implemented according to the conventional means in the art, unless otherwise specified and limited.

Claims

1. A high-efficiency energy-saving heat treatment device of a metallurgical equipment for automobile components, comprising a furnace body (1), characterized in that: The first sealing door (2) and the second sealing door (3) are sequentially arranged on the furnace body (1) from outside to inside, and the second sealing door (3) separates the furnace body (1) into a temperature buffer cavity and a heating cavity; The temperature buffer cavity is internally provided with an oscillating mechanism (6); When the automobile component is cooled, the automobile component is moved to the temperature buffer cavity, and then the second sealing door (3) is closed; external air is introduced into the temperature buffer cavity by the air blower (17), and the introduced air drives the oscillating pipe (62) and the spray head to oscillate left and right, so that the automobile component is comprehensively cooled; The top of the furnace body (1) is provided with a waste heat collection mechanism (7) for heat storage, and the air pump (9) introduces the hot air in the temperature buffer cavity into the collection tank (71) for storage; when the temperature sensor detects that the temperature in the collection tank (71) is higher than the temperature in the temperature buffer cavity, the air pump (9) stops working; The top of the furnace body (1) is provided with a driving mechanism (5) for driving the first sealing door (2) and the second sealing door (3) to independently ascend and descend; When the automobile component is preheated, the automobile component is moved to the temperature buffer cavity, the first sealing door (2) is closed, the collection tank (71) is inflated by the air pump (9), and the heated gas in the collection tank (71) is introduced into the temperature buffer cavity to preheat the new workpiece; The automobile component is moved to the heating cavity for heating, and the second sealing door (3) is closed.

2. The high efficiency energy saving heat treatment device of a metallurgical equipment for automobile components according to claim 1, characterized in that: The oscillating mechanism (6) comprises a mounting pipe (61) arranged in the temperature buffer cavity, a plurality of mounting holes are transversely and equidistantly arranged on the top of the mounting pipe (61), the mounting holes are internally and sealingly rotatably mounted with oscillating pipes (62), and a plurality of spray heads are vertically and equidistantly arranged on one side of the oscillating pipe (62).

3. The high efficiency energy saving heat treatment device of a metallurgical equipment of an automobile component according to claim 2, characterized in that: The inside bottom of the oscillating pipe (62) is fixedly provided with a fixed block (63), the bottom of the fixed block (63) is throughly provided with a limiting waist groove (64), the inside of the mounting pipe (61) is fixedly provided with a mounting lug (65), the bottom of the mounting lug (65) is throughly and rotatably provided with a third rotating shaft (66), and the top of the third rotating shaft (66) is fixedly provided with an L-shaped sliding block (67) which is slidingly connected with the limiting waist groove (64).

4. The energy efficient heat treatment device of a metallurgical plant for automotive components as claimed in claim 3, wherein: The outer wall of the third rotating shaft (66) is provided with a fan blade (68), and the inside of the mounting pipe (61) and on the side of the fan blade (68) is provided with a flow guide plate (69).

5. The energy efficient heat treatment device of a metallurgical plant for automobile components as claimed in claim 1 wherein: The waste heat collection mechanism (7) comprises a collection tank (71) arranged on the top of the furnace body (1), a heat conduction layer (72) arranged on the inside of the collection tank (71), and two friction rings (74) arranged on the inside of the heat conduction layer (72).

6. A high efficiency energy saving heat treatment device for a metallurgical apparatus for automotive components as claimed in claim 1, wherein: The inside of the collection tank (71) is rotatably provided with a fourth rotating shaft (75), the outer wall of the fourth rotating shaft (75) is equidistantly arranged with a plurality of fixed pipes (76) in the circumferential direction, the inside of the fixed pipe (76) is inserted with a telescopic rod (77), and one end of the telescopic rod (77) is fixedly provided with a friction block (78) which frictionally contacts with the friction ring (74).

7. A high efficiency energy saving heat treatment device for a metallurgical apparatus for automotive components as claimed in claim 6, wherein: Both inner ends of the collecting tank (71) are provided with mounting grooves (711), and the two ends of the fourth rotating shaft (75) are fixed with turbine blades (712) in the mounting grooves (711).

8. The energy efficient heat treatment device of a metallurgical plant for automobile components as claimed in claim 1 wherein: The inside of the collecting tank (71) is provided with a plurality of ceramic heat accumulators (710), and one end of the first heat conduction plate (73) is inserted into the ceramic heat accumulators (710), and the outer walls of the ceramic heat accumulators (710) and the ceramic heat accumulators (710) are provided with a plurality of polygonal holes (79).

9. The energy efficient heat treatment device of a metallurgical plant for automobile components as claimed in claim 1 wherein: One side of the inside of the temperature buffer cavity is provided with a plurality of waste heat recovery grilles (13), the air inlet of the collecting tank (71) is connected with a first heat preservation pipe (8), and the other end of the first heat preservation pipe (8) is communicated with the waste heat recovery grilles (13), the outer wall of the furnace body (1) is provided with an air pump (9) connected with the first heat preservation pipe (8), the air outlet of the collecting tank (71) is connected with a second heat preservation pipe (11), the other end of the second heat preservation pipe (11) is communicated with the mounting pipe (61), the outer wall of the first heat preservation pipe (8) is provided with a first electromagnetic valve (10), and the outer wall of the second heat preservation pipe (11) is provided with a second electromagnetic valve (12).

10. The energy efficient heat treatment device of a metallurgical plant for automobile components as claimed in claim 1 wherein: One side of the furnace body (1) is provided with a mounting pipe (61) communicated with a blower (17), and one side of the blower (17) is provided with a third electromagnetic valve.

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