Continuous tempering furnace
By designing the circulation and jet components, the problems of heat waste and material preheating in continuous tempering furnaces are solved, achieving efficient preheating and energy saving, preventing filter clogging, and improving the practicality of the device.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- AUSTEMPER COMPONENT (SUZHOU)MFG INC
- Filing Date
- 2025-07-02
- Publication Date
- 2026-06-23
Smart Images

Figure CN224394938U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of tempering furnace technology, specifically a continuous tempering furnace. Background Technology
[0002] A continuous hot air tempering furnace is a type of industrial heat treatment equipment that operates continuously. Processed metal materials are fed into the furnace chamber via a conveyor belt from the inlet. The entire heating process is completed as the workpieces continuously move towards the outlet. The processing temperature can reach 650 degrees Celsius. Therefore, it is widely applicable to the continuous tempering of batches of workpieces such as springs, washers, chains, standard parts, vehicle parts, bearings, piston rings, hardware products, and carburized and quenched parts. It offers advantages such as high operating efficiency and labor and time savings.
[0003] Existing patent CN217709599U proposes a continuous hot air tempering furnace, including a furnace body, a circulation chamber, a heater one, a heater two, a blower, a support frame, a drive roller, a driven roller, a transmission chain, and a drive motor. The furnace body is equipped with a heating chamber, and the heater one is installed inside the heating chamber. The circulation chamber is located on the lower surface of the furnace body and is connected to the heating chamber through an air inlet and an air outlet. At the same time, the heater two is installed inside the circulation chamber to heat the internal air. The feeding efficiency is improved by conveying springs through the plate on the transmission chain.
[0004] However, this continuous tempering furnace still has some drawbacks. During use, the material temperature is high after discharge, and the heat dissipation in the air causes a waste of heat. In addition, the internal heat is lost during feeding and discharging. Furthermore, the existing continuous tempering furnace is not convenient for preheating the material, thus affecting the heating effect of the material.
[0005] Based on this, a continuous tempering furnace is now provided, which can eliminate the drawbacks of existing devices. Utility Model Content
[0006] The purpose of this invention is to provide a continuous tempering furnace to solve the problems of heat waste and easy preheating in the prior art.
[0007] To achieve the above objectives, this utility model provides the following technical solution:
[0008] A continuous tempering furnace includes a conveyor belt, with the main body of the tempering furnace installed on the outer middle of the conveyor belt, and a discharge box installed on the right side of the main body of the tempering furnace.
[0009] A circulation assembly is installed on the top of the discharge box. The circulation assembly includes an extraction hood, which is installed on the top of the discharge box. An air pump is installed on the top of the extraction hood. A conveying pipe is installed at the air outlet of the air pump, and a diversion valve is installed on one side of the conveying pipe.
[0010] The flow divider valve is equipped with jet assemblies on three sides;
[0011] An air extraction assembly is installed on one side of the discharge box.
[0012] Based on the above technical solutions, this utility model also provides the following optional technical solutions:
[0013] In one alternative: a first support plate is installed inside the right side of the discharge box, and a first curtain is installed at the bottom of the first support plate.
[0014] In one alternative: a filter screen is installed at the bottom of the discharge box, and a feed box is installed on the left side of the tempering furnace body.
[0015] In one alternative: a second support plate is installed inside the left side of the feed box, a second curtain is installed at the bottom of the second support plate, and an intercepting net is installed at the bottom inside the feed box.
[0016] In one alternative: the jet assembly includes an exhaust pipe mounted on three sides of the diverter valve, an exhaust block mounted at the bottom of the exhaust pipe, an exhaust plate mounted at the bottom of the exhaust block, and a support frame mounted at the top of the exhaust plate.
[0017] In one alternative: the extraction assembly includes a blower mounted on one side of the discharge box, and a high-pressure hose is installed at the outlet end of the blower.
[0018] In one alternative: a cleaning assembly is installed on one side of the high-pressure hose.
[0019] In one alternative: the cleaning assembly includes an air vent plate mounted on one side of a high-pressure hose, an air jet nozzle mounted on the bottom of the air vent plate, and the two sides of the air vent plate slidably connected to the interior of an electric slide rail.
[0020] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0021] 1. This utility model uses the combination of circulation component and jet component. The high temperature inside the discharge box is drawn in by the operation of the air pump and sent into the diversion valve through the conveying pipe. After being diverted by the diversion valve, it is sprayed from the three jet plates onto the material inside the feed box, thereby preheating the material inside the feed box. This improves the preheating effect of the device and avoids the problem of wasting hot air.
[0022] 2. This utility model uses the combined use of the air extraction component and the cleaning component. The air jet at the bottom of the air outlet plate blows air in reverse to clean the filter screen, which avoids the problem of the filter screen becoming clogged after long-term use, improves the practicality of the device, and prevents dust from entering the discharge box and adhering to the surface of the material after tempering. Attached Figure Description
[0023] Figure 1 This is a schematic diagram of the overall structure of this utility model.
[0024] Figure 2 This is a schematic diagram of the main body of the tempering furnace of this utility model.
[0025] Figure 3 This is a schematic diagram of the circulation component and jet component of this utility model.
[0026] Figure 4 This is a schematic diagram of the air extraction component and the cleaning component of this utility model.
[0027] Figure reference numerals: 1. Conveyor belt; 11. Tempering furnace body; 12. Discharge box; 13. First support plate; 14. First curtain; 15. Filter screen; 16. Feed box; 17. Second support plate; 18. Second curtain; 19. Interception net; 2. Extraction hood; 21. Air pump; 22. Conveying pipe; 23. Diverter valve; 24. Air outlet pipe; 25. Air outlet block; 26. Jet plate; 27. Support frame; 3. Blower; 31. High-pressure hose; 32. Air outlet plate; 33. Jet nozzle; 34. Electric slide rail. Detailed Implementation
[0028] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments.
[0029] In one embodiment, such as Figures 1-4 As shown, a continuous tempering furnace includes a conveyor belt 1, a tempering furnace body 11 is installed on the outer middle of the conveyor belt 1, and a discharge box 12 is installed on the right side of the tempering furnace body 11.
[0030] A circulation assembly is installed on the top of the discharge box 12. The circulation assembly includes an extraction cover 2, which is installed on the top of the discharge box 12. An air pump 21 is installed on the top of the extraction cover 2. A conveying pipe 22 is installed at the air outlet of the air pump 21. A diversion valve 23 is installed on one side of the conveying pipe 22.
[0031] The flow divider valve 23 is equipped with jet assemblies on three sides;
[0032] An air extraction assembly is installed on one side of the discharge box 12.
[0033] In this embodiment, the material is transported by the conveyor belt 1, tempered and heated by the tempering furnace body 11, wrapped by the discharge box 12, and the hot air inside the discharge box 12 is extracted by the extraction hood 2 through the operation of the air pump 21. The hot air is then sent to the diversion valve 23 through the conveying pipe 22. The diversion valve 23 diverts the gas into the jet assembly to preheat the material inside the feed box 16.
[0034] In one embodiment, such as Figure 1 and Figure 2 As shown, a first support plate 13 is installed inside the right side of the discharge box 12, and a first curtain 14 is installed at the bottom of the first support plate 13 to intercept hot air.
[0035] In one embodiment, such as Figure 1 and Figure 2 As shown, a filter screen 15 is installed at the bottom of the discharge box 12, and a feed box 16 is installed on the left side of the tempering furnace body 11. The dust is filtered through the filter screen 15.
[0036] In one embodiment, such as Figure 1 and Figure 2 As shown, a second support plate 17 is installed inside the left side of the feed box 16, and a second curtain 18 is installed at the bottom of the second support plate 17. An interception net 19 is installed at the bottom of the inside of the feed box 16. The interception net 19 intercepts external dust, and the second curtain 18 at the bottom of the second support plate 17 prevents the problem of hot air from escaping.
[0037] In one embodiment, such as Figure 1 and Figure 3 As shown, the jet assembly includes an exhaust pipe 24, which is installed on three sides of the diversion valve 23. An exhaust block 25 is installed at the bottom of the exhaust pipe 24, and an exhaust plate 26 is installed at the bottom of the exhaust block 25. A support frame 27 is installed at the top of the exhaust plate 26, which supports the exhaust plate 26. Hot air is sent from the exhaust block 25 into the exhaust plate 26 through the exhaust pipe 24, and finally sprayed onto the material through the exhaust plate 26, thereby preheating the material.
[0038] In one embodiment, such as Figure 1 , Figure 2 and Figure 4 As shown, the air extraction assembly includes a blower 3, which is installed on one side of the discharge box 12. A high-pressure hose 31 is installed at the air outlet of the blower 3. The operation of the blower 3 mobilizes outside air and sends it into the cleaning assembly through the high-pressure hose 31.
[0039] In one embodiment, such as Figure 1 and Figure 4 As shown, a cleaning assembly is installed on one side of the high-pressure hose 31, which is used to clean the filter screen 15 in reverse.
[0040] In one embodiment, such as Figure 1 and Figure 4 As shown, the cleaning assembly includes an air outlet plate 32, which is installed on one side of the high-pressure hose 31. An air jet head 33 is installed at the bottom of the air outlet plate 32. The two sides of the air outlet plate 32 are slidably connected to the inside of the electric slide rail 34. The operation of the electric slide rail 34 drives the air outlet plate 32 to move left and right, and the air jet head 33 at its bottom blows air to clean the filter screen 15 in the opposite direction.
[0041] The above embodiment discloses a continuous tempering furnace, in which materials are conveyed by a conveyor belt 1, and tempered by the furnace body 11. The tempered materials are then fed into a discharge box 12 via the conveyor belt 1. A first support plate 13 and a first curtain 14 at its bottom prevent hot air from escaping from the discharge box 12. An air extraction pump 21 evacuates air from the discharge box 12 through an extraction hood 2. Outside air is filtered through a filter screen 15 and then fed into the discharge box 12, absorbing the heat from the tempered materials. This heat is then sent through a conveying pipe 22 to a diversion valve 23, which diverts the hot air into three outlet pipes 24. The hot air is then ejected from the outlet block 25 into a jet plate 26 via the outlet pipes 24, thus preheating the materials in the feed box 16 and improving the efficiency of the equipment. The device achieves energy-saving and preheating effects by supporting the three jet plates 26 with the support frame 27 and blocking the hot air with the second curtain 18 at the bottom of the second support plate 17, thus preventing the hot air from escaping and improving the preheating effect on the material. The preheated gas is discharged through the interception net 19, improving the practicality and convenience of the device. The operation of the blower 3 draws in outside air and sends it into the air outlet plate 32 through the high-pressure hose 31. The air outlet plate 32 is moved left and right on the top of the filter screen 15 by the electric slide rail 34, and the jet head 33 sprays air to clean the filter screen 15 by reverse blowing, thus avoiding the problem of the filter screen 15 becoming clogged due to long-term use. The filter screen 15 also prevents dust from entering the discharge box 12 and adsorbing on the surface of the tempered material.
[0042] The above description is merely a specific embodiment of this application, but the scope of protection of this application is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this application should be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.
Claims
1. A continuous tempering furnace, comprising a conveyor belt (1), characterized in that, The tempering furnace body (11) is installed on the outer middle of the conveyor belt (1), and the discharge box (12) is installed on the right side of the tempering furnace body (11). A circulation assembly is installed on the top of the discharge box (12). The circulation assembly includes an extraction hood (2). The extraction hood (2) is installed on the top of the discharge box (12). An air pump (21) is installed on the top of the extraction hood (2). A conveying pipe (22) is installed at the air outlet of the air pump (21). A diversion valve (23) is installed on one side of the conveying pipe (22). The flow divider valve (23) is equipped with jet assemblies on three sides; An air extraction assembly is installed on one side of the discharge box (12).
2. The continuous tempering furnace according to claim 1, characterized in that, The discharge box (12) has a first support plate (13) installed inside the right side, and a first curtain (14) is installed at the bottom of the first support plate (13).
3. A continuous tempering furnace according to claim 2, characterized in that, A filter screen (15) is installed at the bottom of the discharge box (12), and a feed box (16) is installed on the left side of the tempering furnace body (11).
4. A continuous tempering furnace according to claim 3, characterized in that, A second support plate (17) is installed inside the left side of the feed box (16), a second curtain (18) is installed at the bottom of the second support plate (17), and an intercepting net (19) is installed at the bottom inside the feed box (16).
5. A continuous tempering furnace according to claim 1, characterized in that, The jet assembly includes an exhaust pipe (24) which is installed on three sides of a diverter valve (23). An exhaust block (25) is installed at the bottom of the exhaust pipe (24), and an exhaust plate (26) is installed at the bottom of the exhaust block (25). A support frame (27) is installed at the top of the exhaust plate (26).
6. A continuous tempering furnace according to claim 1, characterized in that, The air extraction assembly includes a blower (3), which is installed on one side of the discharge box (12), and a high-pressure hose (31) is installed at the air outlet of the blower (3).
7. A continuous tempering furnace according to claim 6, characterized in that, A cleaning assembly is installed on one side of the high-pressure hose (31).
8. A continuous tempering furnace according to claim 7, characterized in that, The cleaning assembly includes an air outlet plate (32) which is installed on one side of a high-pressure hose (31). An air jet (33) is installed at the bottom of the air outlet plate (32). The two sides of the air outlet plate (32) are slidably connected to the inside of an electric slide rail (34).