Efficient and energy-saving electric heat treatment furnace

Abstract

The utility model discloses an efficient and energy-saving electric heat treatment furnace which comprises a furnace body, two grooves are symmetrically formed in the two side walls of the furnace body, and a feeding port is formed in one of the grooves. The device has the beneficial effects that through the design of the heating balls, the first electric heating wire, the arc-shaped conveying belt, the conveying belt, the second electric heating wire, a heat insulation layer, heat preservation cotton, an air heater, an air cooler and a high-temperature refractory brick, when a workpiece is machined, the two sides of the arc-shaped conveying belt are heated in cooperation with the design of the heating balls and the first electric heating wire, and the machining efficiency is improved; the first electric heating wire can heat the bottom end of the workpiece, uniform heating of the workpiece in the device is effectively guaranteed, meanwhile, when the device is used, the heat preservation effect of the device is effectively improved in cooperation with the design of heat preservation cotton, a heat insulation layer and high-temperature refractory bricks, and the workpiece is alternately cooled through hot air and cold air in cooperation with the design of an air heater and an air cooler. And cracking caused by sudden contact between the workpiece surface and cold air is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of electric heat treatment furnaces, in particular to a high-efficiency and energy-saving electric heat treatment furnace. Background Art

[0002] In machining, many parts need to be heat treated to achieve the set surface hardness. Most heat treatment processes require the workpiece to be placed in a heating furnace for heating. The heating furnace is a closed cavity, and some heat treatment furnaces are used to process large workpieces.

[0003] The Chinese patent with patent application number CN201920273108.6 discloses an automatically sealed heat treatment furnace, including an electric heat treatment furnace body, a furnace opening is opened on the front of the electric heat treatment furnace body, a furnace door is slidably arranged in the inner cavity on the front of the electric heat treatment furnace body, and sliding rods are connected to the tops on both sides of the furnace door. A servo motor is installed on the top of the electric heat treatment furnace body, a turntable is connected to the top of the first connecting rod, a traction rope is arranged in the inner cavity of the first slot, and a rolling limit device is arranged on the tops on both sides of the electric heat treatment furnace body. One end of the traction rope passes through the second slot and is connected to the pull ring. The utility model utilizes the design of the servo motor to make the turntable rotate in the forward direction, so that one end of the traction rope is coiled in the inner cavity of the turntable, so that the other end of the traction rope pulls the sliding rod to move smoothly upward, so that the furnace door is translated upward in the inner cavity of the electric heat treatment furnace body, thereby achieving the purpose of automatic opening and automatic closing between the furnace door and the furnace opening.

[0004] The high-efficiency and energy-saving electric heat treatment furnace described in the above patent performs mechanical processing, deformation processing, and heat treatment processes on the workpiece, so that the workpiece can achieve the expected process effect under different conditions such as high temperature, low temperature, and constant temperature. Although the above method can meet the processing function of the device on the workpiece, when the device is working for a long time, the bottom end of the device cannot be heated, resulting in uneven heating of the workpiece in the device, which greatly reduces the working efficiency of the device. At the same time, when the device is used, the heat in the device dissipates too quickly, and the temperature of the processed workpiece is too high, which can easily burn the staff. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] The technical problem to be solved by the utility model is to provide a high-efficiency and energy-saving electric heat treatment furnace which can heat evenly and conveniently and avoid excessive heat dissipation in view of the current status of the prior art.

[0007] (II) Technical solution

[0008] The utility model is achieved through the following technical scheme: the utility model proposes an efficient and energy-saving electric heat treatment furnace, including a furnace body, two grooves are symmetrically opened on the two side walls of the furnace body, one of the grooves is provided with a feeding port, and the other groove is provided with a discharging port, a cold air blower is installed on one side wall of the discharging port, and a hot air blower is fixed on the other side wall of the discharging port, a central axis is fixed in the middle of the top end of the furnace body, an electric heating furnace is arranged on the outside of the central axis, a fixing belt is arranged on the outside of the electric heating furnace, an electric heating wire 1 is installed on the fixing belt, an arc-shaped conveyor belt is installed on the outside of the fixing belt, and electric heating wire 1 is evenly arranged on the arc-shaped conveyor belt, and conveyor belts are connected to both ends of the arc-shaped conveyor belt, a heating wall is installed on the inner wall of the furnace body, a heating ball is arranged on the outer side of the heating wall, high-temperature refractory bricks are fixed on the outer side of the heating wall, thermal insulation cotton is installed on the outer side of the high-temperature refractory bricks, and a heat insulation layer is arranged on the outer side of the thermal insulation cotton.

[0009] Furthermore, the central axis is plugged into the furnace body, the groove is formed on the furnace body, and the feed inlet and the discharge outlet are both formed on the groove.

[0010] By adopting the above technical solution, the central axis realizes the positioning and fixing of the heating device, and the groove facilitates the fixing of the conveyor belt.

[0011] Furthermore, the electric heating furnace is plugged into the central axis, the fixing belt is screwed to the furnace body, and the heating wire is connected to the fixing belt slot.

[0012] By adopting the above technical solution, the electric heating furnace realizes the overall heating of the device, so as to realize the heat treatment of the workpiece by the device, and the fixing belt realizes the installation and fixation of the electric heating wire.

[0013] Furthermore, the arc conveyor belt is connected to the furnace body by screws, the conveyor belt is connected to the arc conveyor belt by screws, and the second heating wire is connected to the arc conveyor belt slot.

[0014] By adopting the above technical solution, the arc conveyor belt cooperates with the design of the conveyor belt to achieve rapid transportation of workpieces, and cooperates with the design of the heating wire 2 to achieve rapid heating of the bottom end of the workpiece, which can avoid uneven heating of the workpieces in the device.

[0015] Furthermore, the hot air blower and the cold air blower are both connected to the furnace body slots, and the heating wall is connected to the furnace body screws.

[0016] By adopting the above technical solution, the hot air blower cooperates with the cold air blower to alternately cool the workpiece, thereby avoiding the occurrence of cracks in the workpiece caused by sudden cooling.

[0017] Furthermore, the heating ball is connected to the heating wall slot, and the high-temperature refractory brick is bonded to the heating wall.

[0018] By adopting the above technical solution, the heating wire is matched with the design of the heating ball to achieve rapid heating of both sides of the workpiece, and the high-temperature refractory bricks can effectively improve the heating capacity of the inner wall of the device.

[0019] Furthermore, the thermal insulation cotton is bonded to the high-temperature refractory bricks, and the thermal insulation layer is bonded to the thermal insulation cotton.

[0020] By adopting the above technical solution, in combination with the design of the thermal insulation cotton and the thermal insulation layer, the thermal insulation effect in the device can be effectively increased, and rapid heat dissipation in the device can be avoided.

[0021] (III) Beneficial effects

[0022] Compared with the prior art, the utility model has the following beneficial effects:

[0023] In order to solve the problem that the existing high-efficiency and energy-saving electric heat treatment furnace performs mechanical processing, deformation processing, and heat treatment processes on the workpiece, so that the workpiece can achieve the expected process effect under different conditions such as high temperature, low temperature, and constant temperature, although the above method can meet the processing function of the device on the workpiece, when the device is working for a long time, the bottom end of the device cannot be heated, resulting in uneven heating of the workpiece in the device, which greatly reduces the working efficiency of the device. At the same time, when the device is used, the heat in the device dissipates too quickly, and the temperature of the processed workpiece is too high, which is easy to scald the staff. The utility model uses a heating ball, The design of heating wire 1, arc conveyor belt, conveyor belt, heating wire 2, insulation layer, thermal insulation cotton, hot air blower, cold air blower and high-temperature refractory bricks, when processing the workpiece, cooperate with the design of heating ball and heating wire 1, realize the heating of both sides of the arc conveyor belt, and heating wire 1 can heat the bottom of the workpiece, effectively ensure the uniform heating of the workpiece in the device, at the same time, when the device is used, cooperate with the design of thermal insulation cotton, insulation layer and high-temperature refractory bricks, effectively increase the insulation effect of the device, cooperate with the design of hot air blower and cold air blower, cool the workpiece by alternating hot air and cold air, avoid cracking caused by sudden contact of the workpiece surface with cold air. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a structural schematic diagram of a high-efficiency and energy-saving electric heat treatment furnace described in the utility model;

[0025] Figure 2 It is a top sectional view of a high-efficiency and energy-saving electric heat treatment furnace described in the utility model.

[0026] The following are the descriptions of the reference numerals:

[0027] 1. Groove; 2. Center axis; 3. Furnace body; 4. Heating ball; 5. Arc conveyor belt; 6. Heating wall; 7. Fixed belt; 8. Feeding port; 9. Conveyor belt; 10. Heating wire 2; 11. Electric heating furnace; 12. Heating wire 1; 13. Insulation cotton; 14. Insulation layer; 15. High-temperature refractory bricks; 16. Hot air blower; 17. Discharging port; 18. Cold air blower. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0029] like Figure 1-Figure 2 As shown, a high-efficiency and energy-saving electric heat treatment furnace in this embodiment includes a furnace body 3, and two grooves 1 are symmetrically provided on the two side walls of the furnace body 3, wherein a material inlet 8 is provided in one of the grooves 1, and a material outlet 17 is provided in the other groove 1, a cooling fan 18 is installed on one side wall of the material outlet 17, and a hot air blower 16 is fixed on the other side wall of the material outlet 17, so as to realize rapid cooling of the workpiece, a central axis 2 is fixed in the middle of the top of the furnace body 3, an electric heating furnace 11 is arranged on the outside of the central axis 2, a fixing belt 7 is arranged on the outside of the electric heating furnace 11, an electric heating wire 12 is installed on the fixing belt 7, an arc conveyor belt 5 is installed on the outside of the fixing belt 7, and an arc conveyor belt 5 is installed on the outside of the fixing belt 7. The arc conveyor belt 5 is evenly provided with electric heating wires 12 to achieve heating of the bottom end of the workpiece and ensure uniform heating of the workpiece in the device. Both ends of the arc conveyor belt 5 are connected with conveyor belts 9 to achieve the feeding and unloading of the workpiece. A heating wall 6 is installed on the inner wall of the furnace body 3, a heating ball 4 is arranged on the outer side of the heating wall 6, and a high-temperature refractory brick 15 is fixed on the outer side of the heating wall 6, which can effectively improve the heat resistance of the device. A heat preservation cotton 13 is installed on the outer side of the high-temperature refractory brick 15, and a heat insulation layer 14 is arranged on the outer side of the heat preservation cotton 13. With the design of the heat preservation cotton 13, the heat preservation effect of the device can be effectively guaranteed to avoid the situation of rapid heat dissipation.

[0030] like Figure 1-Figure 2As shown, in this embodiment, the central axis 2 is plugged into the furnace body 3, the groove 1 is formed on the furnace body 3, the feed port 8 and the discharge port 17 are both formed on the groove 1, the central axis 2 realizes the positioning and fixation of the heating device, the groove 1 is convenient for fixing the conveyor belt 9, the electric heating furnace 11 is plugged into the central axis 2, the fixing belt 7 is screwed to the furnace body 3, the heating wire 12 is connected to the fixing belt 7 by a slot, the electric heating furnace 11 realizes the overall heating in the device to realize the heat treatment of the workpiece by the device, the fixing belt 7 realizes the installation and fixation of the heating wire, the arc conveyor belt 5 is screwed to the furnace body 3, the conveyor belt 9 is screwed to the arc conveyor belt 5, the heating wire 2 10 is connected to the arc conveyor belt 5 by a slot, the arc conveyor belt 5 cooperates with the design of the conveyor belt 9 to realize the rapid transportation of the workpiece, and cooperates with the design of the heating wire 2 10 to realize the rapid heating of the bottom end of the workpiece, which can avoid the uneven heating of the workpiece in the device.

[0031] like Figure 1-Figure 2 As shown, in this embodiment, the hot air blower 16 and the cold air blower 18 are both connected to the furnace body 3 by a slot, the heating wall 6 is connected to the furnace body 3 by screws, the hot air blower 16 cooperates with the cold air blower 18 to alternately cool the workpiece, which can avoid cracks in the workpiece caused by sudden cooling, the heating ball 4 is connected to the heating wall 6 by a slot, the high-temperature refractory brick 15 is bonded to the heating wall 6, the electric heating wire 12 cooperates with the design of the heating ball 4, and rapid heating of both sides of the workpiece is achieved, the high-temperature refractory brick 15 can effectively improve the heating capacity of the inner wall of the device, the thermal insulation cotton 13 is bonded to the high-temperature refractory brick 15, and the thermal insulation layer 14 is bonded to the thermal insulation cotton 13. The design of the thermal insulation cotton 13 and the thermal insulation layer 14 can effectively increase the thermal insulation effect in the device and avoid the situation where heat in the device quickly dissipates.

[0032] The specific implementation process of this embodiment is as follows: when the device is used, after the device is moved to an appropriate position, the device is first connected to an external power supply, and the workpiece to be processed is placed on the conveyor belt 9 on the side of the feed port 8. When the workpiece passes through the arc conveyor belt 5, the design of the heating ball 4, the heating wire 12 and the electric heating furnace 11 is used to achieve rapid heating in the device. At the same time, the design of the heating wire 2 10 achieves heating of the bottom end of the workpiece, ensuring uniform heating of the workpiece in the device, making it convenient for the device to perform mechanical processing, deformation processing, heat treatment processes, etc. on the workpiece. The design of the thermal insulation cotton 13, the thermal insulation layer 14 and the high-temperature refractory bricks 15 can effectively avoid the problem of rapid heat dissipation in the device. Finally, after the workpiece is processed, the design of the hot air blower 16 and the cold air blower 18 is used to achieve alternating hot and cold air cooling of the workpiece, ensuring the cooling efficiency of the device.

[0033] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A highly efficient and energy-saving electric heat treatment furnace, characterized in that: The invention comprises a furnace body (3), wherein two grooves (1) are symmetrically provided on two side walls of the furnace body (3), wherein one of the grooves (1) is provided with a material inlet (8), and the other groove (1) is provided with a material outlet (17), a cooling fan (18) is installed on one side wall of the material outlet (17), and a hot air fan (16) is fixed on the other side wall of the material outlet (17), a central axis (2) is fixed in the middle of the top end of the furnace body (3), an electric heating furnace (11) is arranged outside the central axis (2), a fixing belt (7) is arranged outside the electric heating furnace (11), and the fixing belt (7) 7) is installed with an electric heating wire (12), an arc conveyor belt (5) is installed on the outer side of the fixing belt (7), the electric heating wire (12) is evenly arranged on the arc conveyor belt (5), both ends of the arc conveyor belt (5) are connected to conveyor belts (9), a heating wall (6) is installed on the inner wall of the furnace body (3), a heating ball (4) is arranged on the outer side of the heating wall (6), a high-temperature refractory brick (15) is fixed on the outer side of the heating wall (6), a heat preservation cotton (13) is installed on the outer side of the high-temperature refractory brick (15), and a heat insulation layer (14) is arranged on the outer side of the heat preservation cotton (13).

2. The high-efficiency and energy-saving electric heat treatment furnace according to claim 1, characterized in that: The central axis (2) is plugged into the furnace body (3), the groove (1) is formed on the furnace body (3), and the feed inlet (8) and the discharge outlet (17) are both formed on the groove (1).

3. The high-efficiency and energy-saving electric heat treatment furnace according to claim 1, characterized in that: The electric heating furnace (11) is plugged into the central shaft (2), the fixing belt (7) is screwed to the furnace body (3), and the heating wire (12) is connected to the fixing belt (7) through a slot.

4. The high-efficiency and energy-saving electric heat treatment furnace according to claim 1, characterized in that: The arc conveyor belt (5) is connected to the furnace body (3) by screws, the conveyor belt (9) is connected to the arc conveyor belt (5) by screws, and the second heating wire (10) is connected to the slot of the arc conveyor belt (5).

5. The high-efficiency and energy-saving electric heat treatment furnace according to claim 1, characterized in that: The hot air blower (16) and the cold air blower (18) are both connected to the furnace body (3) by means of a slot, and the heating wall (6) is connected to the furnace body (3) by means of screws.

6. The high-efficiency and energy-saving electric heat treatment furnace according to claim 1, characterized in that: The heating ball (4) is connected to the heating wall (6) by a slot, and the high-temperature refractory brick (15) is bonded to the heating wall (6).

7. The high-efficiency and energy-saving electric heat treatment furnace according to claim 1, characterized in that: The thermal insulation cotton (13) is bonded to the high-temperature refractory brick (15), and the thermal insulation layer (14) is bonded to the thermal insulation cotton (13).

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