CN209338615U - Gas distribution type heat treatment annealing furnace - Google Patents

Abstract

The utility model discloses a gas distribution formula heat treatment annealing stove, including base and furnace body, the universal wheel is installed in the bottom four corners of base, the upper surface of base is provided with the recess, the furnace body is placed on the upper surface of recess, the outside upper end of furnace body is fixed with the protective gas jar, the top of protective gas jar is provided with the aspiration pump, be connected with on the aspiration pump and go deep into the inside induction pipe of furnace body, the top of furnace body is fixed with the rainshelter, the top both sides of rainshelter are provided with the support frame, the top of support frame is provided with solar cell panel. The utility model discloses, can be at work piece annealing's in-process, through filling protective gas in to the annealing stove, reduce the condition that workpiece surface oxidation appears, be favorable to having improved the quality behind the work piece finished product, and simple structure, it is high to lay stability, and solar energy in the usable environment provides the electric energy for annealing stove operation, has practiced thrift the energy consumption, has reduced the cost of processing use.

Description

A gas distribution type heat treatment annealing furnace

technical field

The utility model relates to the technical field of annealing furnaces, in particular to a gas distribution type heat treatment annealing furnace.

Background technique

Annealing is a metal heat treatment process, which refers to slowly heating the metal to a certain temperature, and then cooling it at an appropriate speed. The purpose is to reduce hardness, improve deep processing performance, eliminate residual stress, and stabilize dimensions. In the existing heat treatment annealing furnace, in the process of annealing the workpiece, the surface of the workpiece is prone to oxidation, which affects the quality of the finished workpiece, and the structure is relatively complicated, and the placement is not reliable enough, and a large amount of electric energy is consumed during operation. , high processing cost.

Contents of the invention

The purpose of this utility model is to provide a gas distribution type heat treatment annealing furnace to solve the problem that in the heat treatment annealing furnace in the prior art, in the process of annealing the workpiece, the surface of the workpiece is prone to oxidation, which affects the quality of the finished workpiece , and the structure is relatively complex, the installation is not firm enough, it needs to consume a lot of electric energy in the process of operation, and the cost of processing and use is high.

In order to achieve the above purpose, the utility model provides the following technical solutions: a gas distribution type heat treatment annealing furnace, including a base and a furnace body, universal wheels are installed on the four corners of the bottom of the base, and brake pads are arranged on the universal wheels , the upper surface of the base is provided with a groove, the furnace body is placed on the upper surface of the groove, the top of the base is fixed on both sides of the groove with side risers, and the side risers are inserted horizontally It is equipped with a tightening screw, the two ends of the tightening screw are respectively provided with a rotating handle and a pressing plate, the side wall of the furnace body is provided with an electric heating wire, and the outer wall of the furnace body is provided with an electric heating wire. An electric heater connected electrically, the outer upper end of the furnace body is fixed with a protective gas tank, the top of the protective gas tank is provided with an air pump, and the air pump is connected with a gas supply pipe that goes deep into the furnace body, The middle part of the inner cavity of the furnace body is provided with a hollow vertical rod, and the two sides of the hollow vertical rod are provided with net support plates distributed at equal intervals, and the top of the net support plates are provided with cold air connected to the hollow vertical rod. The bottom of the cold air pipe is connected with an air outlet nozzle, and the top of the furnace body is provided with a cooling fan, which communicates with the hollow pole through the air supply pipe, and a rain shelter is fixed above the furnace body , the two sides of the top of the canopy are provided with a support frame, the top of the support frame is provided with a solar panel, the middle of the top of the canopy is fixed with a power supply box, and the inside of the power supply box is provided with a storage battery and an inverter, the output end of the solar panel is electrically connected to the input end of the storage battery, the output end of the storage battery is electrically connected to the input end of the inverter, and the output end of the inverter is respectively connected to the pumping The input ends of the air pump, cooling fan and electric heater are electrically connected.

Preferably, the furnace body is a box-type annealing furnace, and a heat insulation layer is provided on the outside of the furnace body.

Preferably, a sealed box door is hinged on the front of the furnace body, and an observation window is arranged on the sealed box door.

Preferably, an exhaust port is provided at the bottom of the two side walls of the furnace body, and a sealing plug is provided in the end of the exhaust port.

Preferably, the cross-sectional area of the groove is larger than that of the furnace body, and a rubber pad is laid on the upper surface of the groove.

Compared with the prior art, the beneficial effect of the utility model is: the utility model has a simple structure and is convenient to use. Through the protective gas tank, the air pump and the air delivery pipe, the workpiece can be annealed during the annealing process. The furnace is filled with protective gas to reduce the oxidation on the surface of the workpiece, which is beneficial to improve the quality of the finished workpiece. Through the set tightening screw, rotating handle and pressing plate, the annealing furnace can be firmly fixed on the The groove of the base improves the placement stability of the annealing furnace, and the universal wheels set at the bottom of the base enhance the convenience of moving the annealing furnace, making it easy to move and carry. The net support plate can facilitate the orderly placement of each workpiece in the annealing furnace, and it is convenient to take and place. The cold air pipe installed above each net support plate can make the cold air blown by the cooling fan evenly spray to each workpiece. The cooling effect on the workpiece is improved. The observation window set on the sealed furnace door improves the visibility of the annealing furnace, enabling the staff to observe the annealing condition of the workpiece in the annealing furnace at a glance. The rain shield set above the furnace body The shed can play the role of shielding the entire annealing furnace from the sun and rain, and is convenient for outdoor use. The solar panel installed on the top of the awning can make full use of the solar energy in the environment to provide electric energy for the operation of the annealing furnace, saving energy , reduce processing costs.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the body of heater front view of the utility model;

Fig. 3 is a sectional view of a furnace body of the present utility model;

Fig. 4 is a schematic diagram of the internal structure of the power supply box of the present invention;

Fig. 5 is a block diagram of the working principle of the solar panel of the present invention.

In the figure: 1 base; 2, furnace body; 3, groove; 4, universal wheel; 5, brake pad; 6, side vertical plate; 7, rotating handle; 10. Protective gas tank; 11. Air pump; 12. Air supply pipe; 13. Canopy; 14. Air cooler; 15. Power box; 16. Support frame; 17. Solar panel; 18. Sealed furnace door; 19 , observation window; 20, electric heater; 21, exhaust port; 22, sealing plug; 23, electric heating wire; 24, heat insulation layer; 25, hollow pole; 28. Air supply pipe; 29. Air outlet nozzle; 30. Battery; 31. Inverter.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figures 1-5. In the embodiment of the present utility model, a gas distribution type heat treatment annealing furnace includes a base 1 and a furnace body 2. Universal wheels 4 are installed on the four corners of the bottom of the base 1. Universal wheels 4 are provided with The setting of brake pad 5 and universal wheel 4 enhances the convenience of moving of the annealing furnace and facilitates its moving and handling. The upper surface of the base 1 is provided with a groove 3, and the body of furnace 2 is placed on the upper surface of the groove 3. The top of the base 1 is located on both sides of the groove 3 and is fixed with a side riser 6, and a tightening screw is inserted horizontally on the side riser 6, and the two ends of the tightening screw are respectively provided with a rotating handle 7 and a pressing plate 9. The provided tightening screw, rotating handle 7 and pressing plate 9 can facilitate the firm fixing of the annealing furnace on the groove 3 of the base 1 and improve the placement stability of the annealing furnace. There is an electric heating wire 23, the outer wall of the furnace body 2 is provided with an electric heater 20 electrically connected to the electric heating wire 23, the outer upper end of the furnace body 2 is fixed with a protective gas tank 10, and the top of the protective gas tank 10 is provided with a pump The air pump 11, the air pump 11 is connected with the gas supply pipe 12 that goes deep into the furnace body 2, and the protective gas tank 10, the air pump 11 and the gas supply pipe 12 are provided, which can be filled into the annealing furnace during the annealing process of the workpiece. Inject protective gas to reduce oxidation on the surface of the workpiece, which is conducive to improving the quality of the finished workpiece. The middle part of the inner cavity of the furnace body 2 is provided with a hollow vertical rod 25, and the two sides of the hollow vertical rod 25 are provided with equal intervals. Net supporting plate 26, can be convenient to put each workpiece orderly in the annealing furnace, easy to pick and place, the top of each net supporting plate 26 is all provided with the cold wind pipe 27 that is connected with hollow vertical bar 25, and the cold wind pipe 27 The bottom of the bottom is connected with the air outlet nozzle 29, and the top of the furnace body 2 is provided with a cooling fan 14, and the cooling fan 14 communicates with the hollow vertical rod 25 through the air supply pipe 28, and the corresponding cold wind pipe 27 above each net supporting plate 26 can make The cold wind blown by the air cooler 14 can be evenly sprayed to each workpiece, which improves the cooling effect on the workpiece. A rain shelter 13 is fixed above the furnace body 2, and the rain shelter 13 can play a role in shielding the entire annealing furnace from the sun and rain , it is convenient to use outdoors, the top two sides of the canopy 13 are provided with a support frame 16, and the top of the support frame 16 is provided with a solar panel 17, the solar panel 17 can make full use of the solar energy in the environment, and provide Electric energy saves energy and reduces processing costs. A power box 15 is fixed in the middle of the top of the canopy 13. The inside of the power box 15 is provided with a battery 30 and an inverter 31. The output terminal of the solar panel 17 is connected to the battery 30. The input end is electrically connected, the output end of the battery 30 is electrically connected to the input end of the inverter 31, and the output end of the inverter 31 is electrically connected to the input end of the air pump 11, the air cooler 14 and the electric heater 20 respectively , the body of furnace 2 is a box-type annealing furnace, the outside of the body of furnace 2 is provided with a layer of heat insulation layer 24, the front of the body of furnace 2 is hinged with a sealed box door, and the sealed box door is provided with an observation window 19, the setting of the observation window 19, Improve the visibility of the annealing furnace, so that the staff can observe the annealing at a glance For the annealing of the workpiece in the furnace, the bottom of the two side walls of the furnace body 2 is provided with an exhaust port 21, and the end of the exhaust port 21 is provided with a sealing plug 22, and the cross-sectional area of the groove 3 is larger than that of the furnace body 2. area, the upper surface of the groove 3 is laid with a rubber pad.

The working principle of the utility model is: when in use, first place the furnace body 2 on the groove 3 of the base 1, and then rotate the tightening screw on the side vertical plate 6 inwardly through the rotating handle 7, and press the two pressing discs 9 respectively against the two side walls of the furnace body 2, so that the furnace body 2 is firmly fixed on the base 1, and the fixing of the annealing furnace is completed. When the workpiece needs to be annealed, each workpiece to be processed is separately Put it on each net support plate 26, then close the sealed furnace door 18, and start the air pump 11, the air pump 11 works to fill the protective gas in the protective gas tank 10 into the furnace body 2 through the air supply pipe 12, so that the furnace The air in the body 2 is discharged from the exhaust port 21, and then the sealing plug 22 is inserted into the exhaust port 21, and then the electric heater 20 is used to heat the workpiece in the furnace body 2 through the electric heating wire 23. When the workpiece is heated for one After a short time, stop heating, then pull out the sealing plug 22 in the exhaust port 21, and start the air cooler 14. When the air cooler 14 is working, it blows cold air into the hollow vertical pole 25 through the air supply pipe 28, and enters the hollow vertical pole 25. The cold wind inside is blown to each workpiece through the air outlet nozzle 29 on each cold air pipe 27 to cool the workpiece, and exhaust gas is discharged from the exhaust port 21 to complete the annealing treatment of the workpiece. After the annealing treatment of the workpiece is completed, the Open the door of the sealed box and take out the processed workpiece from the furnace body 2. In the process of use, the staff can move the annealing furnace to a suitable position through the universal wheel 4 at the bottom of the base 1. The rain shelter 13 above the furnace body 2 can play the role of protecting the entire annealing furnace from the sun and rain, which is convenient for outdoor use. The solar panel 17 above the rain shelter 13 can convert outdoor solar energy into electrical energy and store it in the battery 30 In the process, electric energy is provided for the operation of the annealing furnace, which saves energy and reduces the cost of processing and use.

It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, no matter from all points of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, so it is intended to fall within the scope of the claims All changes within the meaning and range of equivalents of the required elements are included in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (5)

1. A gas distribution type heat treatment annealing furnace, comprising a base (1) and a furnace body (2), characterized in that universal wheels (4) are installed at the four corners of the bottom of the base (1), and the universal wheels (4) is provided with a brake pad (5), the upper surface of the base (1) is provided with a groove (3), the furnace body (2) is placed on the upper surface of the groove (3), and the The top of the base (1) is located on both sides of the groove (3) and is fixed with a side riser (6), and a tightening screw is inserted horizontally on the side riser (6). A rotary handle (7) and a pressing plate (9) are provided, an electric heating wire (23) is provided inside the side wall of the furnace body (2), and an electric heating wire (23) is provided on the outer wall of the furnace body (2). The electric heater (20) electrically connected to the wire (23), the outer upper end of the furnace body (2) is fixed with a protective gas tank (10), and the top of the protective gas tank (10) is provided with an air pump (11 ), the air suction pump (11) is connected with a gas supply pipe (12) that goes deep into the furnace body (2), and a hollow vertical rod (25) is provided in the middle of the inner cavity of the furnace body (2), and the hollow The two sides of the pole (25) are provided with net support plates (26) distributed at equal intervals, and the top of the net support plates (26) are provided with cold air pipes (27) connected with the hollow pole (25), The bottom of the cold air pipe (27) is connected with an air outlet nozzle (29), and the top of the furnace body (2) is provided with a cooling fan (14). The hollow vertical pole (25) is connected, and a rain shelter (13) is fixed above the furnace body (2), and support frames (16) are arranged on both sides of the top of the rain shelter (13), and the support frame (16) is provided with a solar panel (17), the middle of the top of the canopy (13) is fixed with a power supply box (15), and the inside of the power supply box (15) is provided with a storage battery (30) and Inverter (31), the output end of the solar panel (17) is electrically connected to the input end of the storage battery (30), and the output end of the storage battery (30) is electrically connected to the input end of the inverter (31). The output terminals of the inverter (31) are respectively electrically connected to the input terminals of the air pump (11), the cooling fan (14) and the electric heater (20). 2. A gas distribution type heat treatment annealing furnace according to claim 1, characterized in that: the furnace body (2) is a box-type annealing furnace, and a layer of heat insulation layer is provided on the outside of the furnace body (2) (twenty four). 3. A gas distribution type heat treatment annealing furnace according to claim 1, characterized in that: the front of the furnace body (2) is hinged with a sealed box door, and the sealed box door is provided with an observation window (19) . 4. A gas distribution type heat treatment annealing furnace according to claim 1, characterized in that: the bottom end of the two side walls of the furnace body (2) is provided with an exhaust port (21), and the exhaust port ( 21) is provided with a sealing plug (22) inside the end. 5. A gas distribution type heat treatment annealing furnace according to claim 1, characterized in that: the cross-sectional area of the groove (3) is larger than the cross-sectional area of the furnace body (2), and the groove (3) ) is covered with rubber pads on the upper surface.