Annealing furnace with preheating function

Abstract

The utility model discloses an annealing furnace with a preheating function, which comprises an annealing box, the top of the annealing box is fixedly connected with a preheating box, the inside of the annealing box is provided with a bearing plate, the outer side of the annealing box is symmetrically and fixedly connected with air delivery pumps, one side of the top of the annealing box is fixedly connected with an air cylinder, and the other side of the top of the annealing box is fixedly connected with an air cylinder. The output end of the air cylinder is fixedly connected with a lifting rod, the outer side of the lifting rod is fixedly connected with a rack, the rack is connected with the gear in a meshed mode, and a closing door is arranged on the front face of the containing frame. According to the annealing furnace with the preheating function disclosed by the utility model, the preheating mechanism is arranged, so that the workpieces can be heated in all directions, the situation that the workpieces are preheated when being placed at the same position in a stationary manner, the contact area of the workpieces and the containing plate cannot be heated all the time is avoided, and the initial temperature of the workpieces can be increased before annealing; and the heating and heat absorption efficiency of the workpiece is improved, the structure is simple, and practicability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of annealing furnaces, in particular to an annealing furnace with a preheating function. Background Art

[0002] Annealing furnace is a kind of process equipment used to heat materials, especially metal materials, to change their physical properties such as hardness, strength, ductility and toughness. It is mainly used in metal processing, glass processing, electronic manufacturing and chemical experiments. In metal processing, annealing furnace is often used in annealing, quenching, tempering and other heat treatment processes to improve the toughness and strength of metals.

[0003] After searching, an annealing furnace (authorization announcement number: CN 208844144U) "includes a furnace body, a furnace cavity, a movable material rack and a circulating fan. The inner wall of the furnace body is provided with a thermal insulation layer. A heating tube and a temperature detection module are installed in the furnace cavity. The temperature detection module is connected to the heating tube. A control device is provided at the bottom of the furnace body. A control key connected to the control device is provided in the front of the bottom of the furnace body. An upper heat recovery device is provided above the furnace body. The upper heat recovery device includes a heat recovery chamber arranged on the top of the furnace body. A heat recovery channel is provided on the side of the heat recovery chamber close to the furnace body. An annealing furnace online flue is provided on the upper outer side of the furnace body. The advantages of the utility model are: reasonable structure, a temperature detection module is arranged in the furnace cavity, the temperature detection module is connected to the heating tube, and the two are connected to the controller, which can realize automatic control of whether the heating tube is heated, reduce manpower expenditure, save costs and improve efficiency".

[0004] Based on the above-mentioned related technologies, the applicant believes that the above-mentioned technologies lack a preheating mechanism for the workpiece, cannot increase the initial temperature of the workpiece entering the annealing furnace, cannot improve the efficiency of heating and absorbing heat of the workpiece, and the annealing efficiency is low, resulting in a waste of energy. In response to the above problems, we have launched an annealing furnace with a preheating function. Utility Model Content

[0005] The utility model discloses an annealing furnace with a preheating function, aiming to solve the technical problems of lack of a preheating mechanism for workpieces, inability to increase the initial temperature of the workpieces entering the annealing furnace, inability to improve the efficiency of heating and absorbing heat of the workpieces, low annealing efficiency, and waste of energy.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] An annealing furnace with a preheating function comprises an annealing box, the top of the annealing box is fixedly connected to the preheating box, the interior of the annealing box is provided with a supporting plate, the outer side of the annealing box is symmetrically fixedly connected to an air pump, the input end of the air pump extends to the interior of the annealing box, the output end of the air pump extends to the interior of the preheating box, a preheating mechanism is provided inside the preheating box, a heating assembly is symmetrically provided inside the annealing box, the preheating mechanism and the heating assembly are used in conjunction with each other, the preheating mechanism comprises a containing frame, the containing frame is arranged inside the preheating box, the interior of the preheating box is symmetrically rotatably connected with a rotating shaft, the sides of the two rotating shafts close to each other are fixedly connected to the containing frame, the outer side of one of the rotating shafts is fixedly connected to a gear, a top side of the annealing box is fixedly connected to a cylinder, the output end of the cylinder is fixedly connected to a lifting rod, the outer side of the lifting rod is fixedly connected to a rack, the rack and the gear are meshed and connected, and a closing door is provided on the front side of the containing frame.

[0008] In a preferred solution, the heating assembly includes support rods, which are symmetrically fixedly connected to the inside of the annealing box, and a heating tube is fixedly connected between two of the support rods. A heating wire is sleeved on the outer side of the heating tube.

[0009] In a preferred embodiment, the annealing box is symmetrically provided with slide grooves, the insides of the two slide grooves are fixedly connected with slide rods, the outer sides of the two slide rods are slidably connected with sliders, and the sides of the two sliders close to each other are fixedly connected to the support plate.

[0010] In a preferred solution, the front side of the annealing box is rotatably connected with an opening and closing door.

[0011] In a preferred solution, a support frame is installed on the top of the supporting plate.

[0012] In a preferred embodiment, a controller is fixedly connected to the outside of the preheating box, and the air pump, cylinder, heating tube and heating wire are all electrically connected to the controller.

[0013] The annealing furnace with preheating function provided by the utility model has the following advantages:

[0014] Firstly, by means of the preheating mechanism, the workpiece can be heated in all directions, avoiding the workpiece being placed in the same position and being stationary for preheating. The contact area between the workpiece and the holding plate cannot be heated at all times. Before annealing, the initial temperature of the workpiece can be increased, thereby improving the heating and heat absorption efficiency of the workpiece. The structure is simple and the practicability is strong.

[0015] Secondly, the slide bar and the slide block can make the support plate slide more stably, and the controller can facilitate the staff to control the opening and closing of the gas pump, cylinder, heating tube and heating wire, making the operation easier. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The utility model is a three-dimensional schematic diagram of an annealing furnace with a preheating function.

[0017] Figure 2 The utility model is a three-dimensional schematic diagram of an annealing furnace with a preheating function.

[0018] Figure 3 The utility model is a three-dimensional cross-sectional schematic diagram of an annealing furnace with a preheating function.

[0019] Figure 4 The utility model is a three-dimensional schematic diagram of a preheating mechanism of an annealing furnace with a preheating function.

[0020] Figure 5 The utility model proposes an annealing furnace with preheating function Figure 1 Schematic diagram after enlargement of point A.

[0021] In the attached drawings: 1. Annealing box; 2. Preheating box; 3. Support plate; 4. Air pump; 501. Container frame; 502. Rotating shaft; 503. Gear; 504. Cylinder; 505. Lifting rod; 506. Rack; 507. Closing door; 6. Support rod; 7. Heating tube; 8. Heating wire; 9. Slide groove; 10. Slide rod; 11. Sliding block; 12. Opening and closing door; 13. Support frame; 14. Controller. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application usually described and marked in the drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the application claimed for protection, but merely represents the selected embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without making creative work belong to the scope of protection of the present application.

[0023] Reference Figure 1 - Figure 5An annealing furnace with a preheating function comprises an annealing box 1, a preheating box 2 is fixedly connected to the top of the annealing box 1, a supporting plate 3 is arranged inside the annealing box 1, an air pump 4 is symmetrically fixedly connected to the outside of the annealing box 1, an input end of the air pump 4 extends to the inside of the annealing box 1, an output end of the air pump 4 extends to the inside of the preheating box 2, a preheating mechanism is arranged inside the preheating box 2, a heating assembly is symmetrically arranged inside the annealing box 1, the preheating mechanism and the heating assembly cooperate with each other, the preheating mechanism comprises a containing frame 501, and the containing frame 501 is arranged on Inside the preheating box 2, a rotating shaft 502 is symmetrically connected to the inside of the preheating box 2, and the sides of the two rotating shafts 502 close to each other are fixedly connected to the containing frame 501, and a gear 503 is fixedly connected to the outside of one of the rotating shafts 502. A cylinder 504 is fixedly connected to one side of the top of the annealing box 1, and a lifting rod 505 is fixedly connected to the output end of the cylinder 504. A rack 506 is fixedly connected to the outside of the lifting rod 505, and the rack 506 is meshed with the gear 503. A closing door 507 is provided on the front of the containing frame 501. The heating assembly includes a support rod 6, which is symmetrically fixedly connected to the inside of the annealing box 1, and a heating tube 7 is fixedly connected between the two support rods 6. A heating wire 8 is sleeved on the outside of the heating tube 7.

[0024] In the above technical solution, considering the lack of a preheating mechanism for the workpiece, it is impossible to increase the initial temperature of the workpiece entering the annealing furnace, it is impossible to improve the efficiency of heating and absorbing heat of the workpiece, the annealing efficiency is low, and energy is wasted. In order to solve such problems, the specific operations are as follows:

[0025] Reference Figure 1 - Figure 5 In a preferred embodiment, in actual use, when the annealing box 1 is in use, the next workpiece to be annealed can be preheated in advance. First, the staff places the workpiece inside the holding frame 501, then closes the closing door 507, and then starts the cylinder 504. The output end of the cylinder 504 drives the rack 506 to move upward, and then the rack 506 drives the gear 503 to rotate, and the gear 503 drives the rotating shaft 502 to rotate, and the rotating shaft 502 drives the holding frame 501 to rotate inside the preheating box 2. At this time, the staff starts the air pump 4 to transport the hot air inside the annealing box 1 into the inside of the preheating box 2. At this time, the workpiece rotates inside the holding frame 501, and the hot air begins to preheat the workpiece. Through the set preheating mechanism, the workpiece can be heated in all directions, avoiding the workpiece being placed in the same position and being stationary for preheating, and the contact area between the workpiece and the holding plate cannot be heated all the time. Before annealing, the initial temperature of the workpiece can be increased, which improves the heating and heat absorption efficiency of the workpiece. The structure is simple and the practicability is strong.

[0026] Reference Figure 1 - Figure 5In a preferred embodiment, the interior of the annealing box 1 is symmetrically provided with slide grooves 9, the interiors of the two slide grooves 9 are fixedly connected with slide bars 10, the outer sides of the two slide bars 10 are slidably connected with sliders 11, and the sides of the two sliders 11 close to each other are fixedly connected to the support plate 3. The front of the annealing box 1 is rotatably connected with an opening and closing door 12. A support frame 13 is installed on the top of the support plate 3. The outer side of the preheating box 2 is fixedly connected with a controller 14, and the gas pump 4, the cylinder 504, the heating tube 7 and the heating wire 8 are all electrically connected to the controller 14. Through the provision of the slide bar 10 and the slider 11, the support plate 3 can slide more stably, and through the provision of the controller 14, it is convenient for the staff to control the opening and closing of the gas pump 4, the cylinder 504, the heating tube 7 and the heating wire 8, and the operation is easier.

[0027] Working principle: In actual use, when the annealing box 1 is in use, the next workpiece to be annealed can be preheated in advance. First, the staff places the workpiece inside the holding frame 501, then closes the closing door 507, and then starts the cylinder 504. The output end of the cylinder 504 drives the rack 506 to move upward, and then the rack 506 drives the gear 503 to rotate, and the gear 503 drives the rotating shaft 502 to rotate, and the rotating shaft 502 drives the holding frame 501 to rotate inside the preheating box 2. At this time, the staff starts the air pump 4 to transport the hot air inside the annealing box 1 into the inside of the preheating box 2. At this time, the workpiece rotates inside the holding frame 501, and the hot air begins to preheat the workpiece. When the preheating is completed, the staff pulls the support plate 3 out of the annealing box 1, and then places the workpiece on the top of the support plate 3, and then starts to anneal the workpiece.

[0028] The above is only a preferred specific implementation of the utility model, but the protection scope of the utility model is not limited to this. The replacement can be a replacement of part of the structure, device, method step, or a complete technical solution. Equivalent replacement or change based on the technical solution of the utility model and its utility model concept should be included in the protection scope of the utility model.

Claims

1. An annealing furnace with a preheating function, comprising an annealing box (1), characterized in that: The top of the annealing box (1) is fixedly connected to a preheating box (2), a supporting plate (3) is provided inside the annealing box (1), an air pump (4) is symmetrically fixedly connected to the outside of the annealing box (1), an input end of the air pump (4) extends to the inside of the annealing box (1), an output end of the air pump (4) extends to the inside of the preheating box (2), a preheating mechanism is provided inside the preheating box (2), a heating assembly is symmetrically provided inside the annealing box (1), and the preheating mechanism and the heating assembly are used in conjunction with each other; The preheating mechanism comprises a containing frame (501), wherein the containing frame (501) is arranged inside a preheating box (2), wherein a rotating shaft (502) is symmetrically rotatably connected inside the preheating box (2), wherein two sides of the rotating shafts (502) close to each other are fixedly connected to the containing frame (501), wherein a gear (503) is fixedly connected to the outer side of one of the rotating shafts (502), wherein a cylinder (504) is fixedly connected to one side of the top of the annealing box (1), wherein a lifting rod (505) is fixedly connected to the output end of the cylinder (504), wherein a rack (506) is fixedly connected to the outer side of the lifting rod (505), wherein the rack (506) is meshingly connected to the gear (503), and a closing door (507) is provided on the front side of the containing frame (501).

2. The annealing furnace with preheating function according to claim 1, characterized in that: The heating assembly comprises support rods (6), the support rods (6) being symmetrically fixedly connected inside the annealing box (1), a heating tube (7) being fixedly connected between two of the support rods (6), and a heating wire (8) being sleeved on the outer side of the heating tube (7).

3. The annealing furnace with preheating function according to claim 1, characterized in that: The annealing box (1) is symmetrically provided with slide grooves (9), the interiors of the two slide grooves (9) are fixedly connected with slide rods (10), the outer sides of the two slide rods (10) are slidably connected with sliders (11), and the sides of the two sliders (11) that are close to each other are fixedly connected to the support plate (3).

4. The annealing furnace with preheating function according to claim 1, characterized in that: The front side of the annealing box (1) is rotatably connected to an opening and closing door (12).

5. The annealing furnace with preheating function according to claim 1, characterized in that: A support frame (13) is installed on the top of the supporting plate (3).

6. The annealing furnace with preheating function according to claim 1, characterized in that: A controller (14) is fixedly connected to the outside of the preheating box (2), and the air delivery pump (4), the air cylinder (504), the heating tube (7) and the heating wire (8) are all electrically connected to the controller (14).

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