Electric baking oven
By employing a three-sided heating system and a rotating seat slide bar design in the electric oven, the problem of uneven workpiece heating was solved, achieving rapid and uniform heating of the workpiece and reducing the defect rate.
Patent Information
- Application Number
- CN202520231145.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-13
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-02-13
AI Technical Summary
In existing electric ovens, the heating rate and degree of workpieces near and away from the resistance wire are uneven during the heat treatment process, resulting in some workpieces being overheated, affecting the quality and the heat treatment effect of the entire batch of workpieces.
The design employs three-sided heating, combined with the cooperation of a rotating base and a sliding rod. The motor drives the placement plate to rotate in both directions and move up and down, ensuring uniform heating of the workpiece.
This method enables rapid and uniform heating of the workpiece, reduces the defect rate, and improves the overall effect of heat treatment.
Smart Images

Figure CN223906892U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to smelting processing technical field, especially relate to a electric baking oven. BACKGROUND
[0002] Electric baking oven, it is the industrial heating equipment specially designed for annealing treatment of metal material in smelting workshop, and annealing is a kind of heat treatment process, by heating metal to a specific temperature and keeping a period of time after slow cooling, to change its internal microstructure, so as to reduce hardness, improve processing performance, eliminate internal stress, refine grain and so on.
[0003] The existing electric baking oven, by the workpiece needing heat treatment is placed on the placing plate in the box body, then resistance wire is used as heating element, and the electric energy is converted into heat energy by resistance wire as heating element, after reaching the target temperature, the workpiece will keep a period of time at the temperature, so as to soften or reorganize its internal crystal structure fully, but in the process of actual use, since the workpiece to be heat treated is stationary on the placing plate, and the position of resistance wire is fixed, which leads to the heating rate and the degree of heating of the workpiece close to and far from the resistance wire are different, after the workpiece is heated completely, part of the workpiece close to the heating element can be overheated, and then the quality of the workpiece can be affected, thereby causing defective products, and affecting the heat treatment effect of the whole batch of workpieces. UTILITY MODEL CONTENTS
[0004] Therefore, the utility model provides an electric baking oven, which can heat the workpiece to be heated quickly and uniformly during heat treatment, effectively ensures the heat treatment effect of the workpiece and reduces the defective rate.
[0005] To solve the above technical problems, the utility model adopts the technical scheme of an electric baking oven, which comprises a box body, a base is arranged on the lower surface of the box body, a partition plate is arranged in the middle of the box body, resistance wire heating modules one are arranged on the left and right sides of the partition plate and the inner walls of the left and right sides of the box body, resistance wire heating modules two are arranged on the rear inner wall of the box body in a symmetrical manner, a rotating seat is rotatably arranged at the middle of the inner bottom of the box body, sliding rods are slidably arranged in the rotating seat, fixed frames are arranged at the top ends of the sliding rods, placing plates are arranged in the fixed frames in a uniform manner, air outlets are arranged on the upper end of the box body in a uniform manner, rubber pads are arranged on the lower surface of the base in a uniform manner, and the lower surfaces of the rubber pads are adhered and fixed to the base.
[0006] As a further improvement of the utility model, the inside bottom end of the base is fixedly provided with symmetrically distributed adjusting lead screws, and the adjusting lead screws are threadedly connected with the adjacent slide rods respectively; the outer arc surfaces of the rotating seats are all fixedly provided with bevel gear rings, the inside bottom end of the base is provided with symmetrically distributed L-shaped mounting seats, the upper ends of the L-shaped mounting seats are all rotatably provided with bevel gears through rotating shafts, the bevel gears are all meshingly connected with the adjacent bevel gear rings respectively, and the upper ends of the L-shaped mounting seats are all provided with motors, and the output shafts of the motors are all fixedly connected with the adjacent rotating shafts through couplings.
[0007] As a further improvement of the utility model, the outside of the box body is provided with a control box, and the resistance wire heating module one, the resistance wire heating module two and the motor are all electrically connected with the control box.
[0008] As a further improvement of the utility model, the left and right sides of the front side of the box body are both rotatably provided with symmetrically distributed door plates, the front sides of the door plates are all provided with handles, and the installation grooves formed in the front sides of the door plates are all provided with observation windows.
[0009] Compared with the prior art, the utility model has the beneficial effects as follows:
[0010] Firstly, the resistance wire heating module one and the resistance wire heating module two arranged on the outside of the placing plate can heat the workpieces on the placing plate from three sides, so that the workpieces can be heated uniformly.
[0011] Secondly, the rotating shafts connected with the motor are driven to rotate in a forward and reverse cycle, the rotating seat drives the placing plate to rotate in a forward and reverse cycle through the cooperation of the slide rods and the fixing frame, and the workpieces on the placing plate can be heated quickly and uniformly.
[0012] Thirdly, the slide rods connected with the rotating seat rotate in the process of rotation of the rotating seat, the slide rods drive the placing plate to move up and down in a reciprocating manner in the process of rotating in a forward and reverse cycle, the workpieces to be heated can be heated quickly and uniformly, the heat treatment effect on the workpieces can be effectively guaranteed, and the rate of defective products can be reduced.
[0013] Fourthly, the observation windows arranged on the front sides of the door plates can facilitate the processing personnel to better observe the heat treatment condition of the workpieces. DRAWINGS
[0014] The utility model will be further explained in detail in combination with the drawings and specific embodiments.
[0015] Figure 1 It is a structural schematic view of the utility model;
[0016] Figure 2 It is an internal sectional view structural schematic view of the utility model;
[0017] Figure 3This is a schematic diagram of the planar structure of the present invention;
[0018] Figure 4 This is an enlarged structural diagram of point A of this utility model.
[0019] In the diagram: 101, housing; 102, door panel; 103, observation window; 104, handle; 105, air vent; 106, control box; 107, base; 108, support leg; 109, resistance wire heating module one; 110, resistance wire heating module two; 111, partition plate; 201, rotating seat; 202, slide rod; 203, fixing frame; 204, placement plate; 205, adjusting screw; 206, helical gear ring; 207, L-shaped mounting base; 208, helical gear; 209, motor. Detailed Implementation
[0020] To better understand this utility model, the following embodiments further illustrate its content, but the scope of protection of this utility model is not limited to the embodiments described below. Numerous specific details are set forth in the following description to provide a more thorough understanding of this utility model. However, it will be apparent to those skilled in the art that this utility model can be practiced without one or more of these details.
[0021] like Figure 1 , 3 As shown, the enclosure includes a housing 101, a base 107 on the lower surface of the housing 101, a partition plate 111 in the middle of the housing 101, a resistance wire heating module 109 on the left and right sides of the partition plate 111 and the inner walls of the left and right sides of the housing 101, a symmetrically distributed resistance wire heating module 110 on the rear inner wall of the housing 101, a rotating seat 201 rotatably mounted in the middle of the bottom of the housing 101, a sliding rod 202 slidably mounted inside the rotating seat 201, a fixing frame 203 at the top of each sliding rod 202, and evenly distributed placement plates 204 inside the fixing frame 203. Evenly distributed air vents 105 are opened at the upper end of the housing 101. Evenly distributed support feet 108 are mounted on the lower surface of the base 107, and rubber pads are glued and fixed to the lower surface of each support foot 108.
[0022] like Figure 3 , 4As shown, the inner bottom end of the base 107 is fixedly provided with symmetrically distributed adjusting lead screws 205, which are respectively threadedly connected with adjacent slide rods 202; the outer arc surfaces of the rotating seats 201 are all fixedly provided with bevel tooth rings 206, and the inner bottom end of the base 107 is provided with symmetrically distributed L-shaped mounting seats 207, the upper ends of which are all rotatably provided with bevel gears 208 through rotating shafts, which are respectively meshingly connected with adjacent bevel tooth rings 206, and the upper ends of the L-shaped mounting seats 207 are all provided with motors 209, the output shafts of which are respectively fixed between adjacent rotating shafts through couplings.
[0023] As shown in Figure 1 the left and right sides of the front side of the box body 101 are both rotatably provided with symmetrically distributed door plates 102, and the front sides of the door plates 102 are all provided with handles 104.
[0024] As shown in Figure 1 , 2 the outer side of the box body 101 is provided with a control box 106, and the resistance wire heating module one 109, the resistance wire heating module two 110 and the motor 209 are all electrically connected with the control box 106.
[0025] In use, personnel rotate the door plates 102 on both sides by pulling the handles 104, and then place the workpieces to be heat treated on the placement plates 204, and pull the door plates 102 on both sides to close the door plates 102 again; the resistance wire heating module one 109, the resistance wire heating module two 110 and the motor 209 are controlled by the control box 106 to run, and through the cooperation of the resistance wire heating module one 109 and the resistance wire heating module two 110 provided outside the placement plates 204, the workpieces to be heated on the placement plates 204 can be heat treated from three sides, so that the workpieces can be uniformly heated;
[0026] The output shafts of the motors 209 drive the rotating shafts connected therewith to rotate in forward and reverse directions, thereby causing the rotating shafts to drive the bevel gears 208 connected therewith to rotate, and through the meshing relationship between the bevel gears 208 and the bevel tooth rings 206, the rotating seats 201 on which the bevel tooth rings 206 are located are caused to rotate, so that the rotating seats 201 drive the placement plates 204 to rotate in forward and reverse directions through the cooperation of the slide rods 202 and the fixed frames 203, so that the workpieces on the placement plates 204 can be quickly and uniformly heated;
[0027] In the process of rotating the rotating seat 201, the sliding rod 202 connected with the rotating seat 201 is driven to rotate, in the process of rotating the sliding rod 202, the sliding rod 202 and the rotating seat 201 are driven to slide through the thread relationship between the sliding rod 202 and the adjusting screw rod 205, so that the sliding rod 202 drives the placing plate 204 to move up and down in the process of rotating forward and backward, the workpiece to be heated can be heated quickly and uniformly, the heat treatment effect of the workpiece can be effectively ensured, and the defective rate is reduced.
[0028] According to another embodiment of the present application, as shown in Figure 1 The mounting groove is provided with an observation window 103. In the process of heating treatment, the observation window 103 provided on the front side of the door plate 102 can facilitate the processing personnel to better observe the heat treatment condition of the workpiece.
[0029] Finally, it should be pointed out that the above embodiments are only used to illustrate the technical solutions of the present application and not to limit it, and other modifications or equivalent replacements to the technical solutions of the present application made by those skilled in the art should be covered in the scope of the claims of the present application, as long as they do not deviate from the spirit and scope of the technical solutions of the present application.
Claims
1. An electric baking oven comprising a cabinet (101), the lower surface of which is provided with a base (107), characterized in that: The middle part of the box (101) is provided with a partition plate (111), and the left and right sides of the partition plate (111) are provided with resistance wire heating module one (109) on the inner walls of the left and right sides of the box (101). The rear inner wall of the box (101) is provided with symmetrically distributed resistance wire heating module two (110), the inside of the rotating seat (201) is provided with a sliding rod (202), the top end of the sliding rod (202) is provided with a fixed frame (203), the inside of the fixed frame (203) is provided with evenly distributed placing plates (204), and the upper end of the box (101) is provided with evenly distributed air outlets (105).
2. The electrical roaster oven of claim 1, wherein: The inside bottom end of the base (107) is fixedly provided with symmetrically distributed adjusting lead screws (205), and the adjusting lead screws (205) are respectively in threaded connection with adjacent sliding rods (202).
3. The electric roaster of claim 2, wherein: The outer arc surface of the rotating seat (201) is fixedly provided with a helical gear ring (206), the inside bottom end of the base (107) is provided with symmetrically distributed L-shaped mounting seats (207), the upper end of the L-shaped mounting seat (207) is rotatably provided with a helical gear (208) through a rotating shaft, the helical gear (208) is respectively in meshing connection with adjacent helical gear rings (206), and the upper end of the L-shaped mounting seat (207) is provided with a motor (209), and the output shaft of the motor (209) is fixed between adjacent rotating shafts through a shaft coupling.
4. The electric roaster of claim 1, wherein: The left and right sides of the front side of the box (101) are rotatably provided with symmetrically distributed door plates (102), and the front side of the door plate (102) is provided with a handle (104).
5. The electric roaster of claim 3, wherein: The outside of the box (101) is provided with a control box (106), and the resistance wire heating module one (109), the resistance wire heating module two (110) and the motor (209) are electrically connected with the control box (106).
6. The electric roaster of claim 1, wherein: The lower surface of the base (107) is provided with evenly distributed supporting legs (108), and the lower surface of the supporting leg (108) is adhesively fixed with a rubber pad.
7. The electric roaster of claim 4, wherein: The front side of the door plate (102) is provided with an observation window (103). The front side of the door plate (102) is provided with an observation window (103).