Electrothermal constant-temperature blast drying box

Abstract

The utility model provides an electric heating constant temperature air blast drying oven, which belongs to the technical field of drying ovens and comprises an oven body, a first rotating shaft is rotatably connected in the oven body, an intermittent wheel is fixedly connected on the first rotating shaft, a second rotating shaft is rotatably connected in the oven body, and a shifting wheel meshed with the intermittent wheel is fixedly connected on the second rotating shaft. The bottom of the second rotating shaft is fixedly connected with a driven gear, and the lower end face of the box body is fixedly connected with a servo motor. Through the arrangement of the first rotating shaft, the intermittent wheel, the second rotating shaft, the stirring wheel, the driven gear, the servo motor, the driving gear, the support, the bearing frame and the containing box, intermittent continuous rotating drying is carried out on dried objects, it is guaranteed that the objects are heated evenly, drying dead corners are avoided, the drying effect is improved, and the drying efficiency is improved. The problem that the drying effect is reduced due to uneven drying in the prior art is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of drying ovens, and more specifically, to an electrothermal constant temperature forced air drying oven. Background Art

[0002] The electrothermal constant temperature forced air drying oven, also known as an "oven", as the name implies, uses an electric heating method for forced air circulation drying tests, which are divided into two types: forced air drying and vacuum drying. Forced air drying is to blow hot air through a circulation fan to ensure temperature balance inside the oven. Vacuum drying is to use a vacuum pump to extract the air inside the oven, making the atmospheric pressure inside the oven lower than the normal pressure, so that the product can be tested in a very clean state. It is a commonly used instrument and equipment, mainly used to dry samples, and can also provide the temperature environment required for experiments.

[0003] After retrieval, in the prior art, a Chinese patent with the patent application number CN202020715833.7 discloses an electrothermal forced air constant temperature drying oven, which relates to the technical field of drying equipment. It includes a box body and multiple placing plates horizontally arranged inside the box body. The multiple placing plates are arranged in parallel. A drying chamber is arranged inside the box body. A box door is rotatably connected to the outside of the drying chamber. A plurality of chute groups are arranged along the height direction of the drying chamber. Each chute group includes two horizontally symmetric chutes. The chutes are arranged inside the drying chamber. The chutes are U-shaped grooves, and the chutes extend from the inside to the outside of the drying chamber. Rollers cooperating with the chutes are installed on the placing plates; both ends of the chutes are closed. The placing plates are horizontally arranged inside the box body, and an accommodating cavity for placing specimens is formed between adjacent two placing plates; however, there are still the following defects:

[0004] (1) The drying ovens in the prior art use a static drying method for drying, which easily leads to uneven drying and reduces the drying effect;

[0005] (2) The placement space of the drying ovens in the prior art is constant, which is inconvenient for placing and drying objects of different sizes, and the practicability is poor.

[0006] Therefore, we make improvements on this and propose an electrothermal constant temperature forced air drying oven. Content of the Utility Model

[0007] The purpose of the present utility model is to address the problems of poor drying uniformity of the existing drying ovens and inconvenience in placing objects of different sizes.

[0008] In order to achieve the above-mentioned utility model purpose, the present utility model provides the following technical solutions:

[0009] An electrothermal constant temperature forced air drying oven to improve the above problems.

[0010] Specifically, the present utility model is as follows:

[0011] It includes a box body. A first rotating shaft is rotatably connected inside the box body. An intermittent wheel is fixedly connected to the first rotating shaft. A second rotating shaft is rotatably connected inside the box body. A dial wheel meshing with the intermittent wheel is fixedly connected to the second rotating shaft. A driven gear is fixedly connected to the bottom of the second rotating shaft. A servo motor is fixedly connected to the lower end face of the box body. The driving end of the servo motor penetrates through the bottom wall of the box body and is fixedly connected with a driving gear meshing with the driven gear. A bracket is fixedly connected to the top end of the first rotating shaft. A group of bearing frames are fixedly connected inside the bracket. Placing boxes are arranged inside the bearing frames.

[0012] As a preferred technical solution of the present utility model, a connecting plate is fixedly connected to the bearing frame. A threaded sleeve is fixedly connected to the lower end face of the outer end of the connecting plate. A limiting column is threadedly connected inside the threaded sleeve. A through hole matching the limiting column is formed in the connecting plate.

[0013] As a preferred technical solution of the present utility model, a box door is rotatably connected to the box body through a hinge, and a handle is installed on the outer side wall of the box door.

[0014] As a preferred technical solution of the present utility model, a bottom frame is fixedly connected to the lower end face of the box body, and support feet are fixedly connected to the four corners of the lower end face of the bottom frame.

[0015] As a preferred technical solution of the present utility model, the distance between adjacent bearing frames increases sequentially from bottom to top.

[0016] As a preferred technical solution of the present utility model, a group of through holes are evenly formed in the bottom wall of the placing box, and the cross-sectional shape of the placing box is circular.

[0017] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0018] In the solution of the present utility model:

[0019] 1. By setting the first rotating shaft, intermittent wheel, second rotating shaft, dial wheel, driven gear, servo motor, driving gear, bracket, bearing frame and placing box, intermittent continuous rotation drying of dried objects is realized, ensuring uniform heating of the objects, avoiding the appearance of drying dead corners, improving the drying effect, and solving the problem of uneven drying and reduced drying effect in the prior art;

[0020] 2. By setting the bearing frame, placing box, connecting plate, threaded sleeve and limiting column, different placing spaces are provided, facilitating the placing and drying treatment of objects of different sizes, with stronger practicability and a wider applicable range, and solving the problem of poor practicability caused by a constant placing space in the prior art. Description of the Drawings

[0021] Figure 1 A schematic diagram of the unfolded structure of the electric constant temperature blast drying oven provided by the utility model;

[0022] Figure 2 A schematic diagram of the closed structure of the electric constant temperature blast drying oven provided by the utility model;

[0023] Figure 3 The utility model provides Figure 1 A schematic diagram of the front view structure of

[0024] Figure 4 A schematic diagram of the rotating structure of the electric constant temperature blast drying oven provided by the utility model;

[0025] Figure 5 A schematic diagram of the structure of the placement box and its connecting parts of the electric constant temperature blast drying oven provided by the utility model;

[0026] Figure 6 The utility model provides an internal structure diagram of the electric constant temperature blast drying box.

[0027] Indicated in the figure:

[0028] 1. Box body; 2. First rotating shaft; 3. Intermittent wheel; 4. Second rotating shaft; 5. Driving wheel; 6. Driven gear; 7. Servo motor; 8. Driving gear; 9. Bracket; 10. Carrying frame; 11. Placement box; 12. Connecting plate; 13. Threaded sleeve; 14. Limiting column; 15. Box door; 16. Bottom frame; 17. Support foot. DETAILED DESCRIPTION

[0029] To make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be described clearly and completely in conjunction with the accompanying drawings. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments.

[0030] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6As shown, this embodiment proposes an electric constant temperature blast drying oven, including a box body 1, a first rotating shaft 2 is rotatably connected in the box body 1, an intermittent wheel 3 is fixedly connected to the first rotating shaft 2, a second rotating shaft 4 is rotatably connected in the box body 1, a toggle wheel 5 meshing with the intermittent wheel 3 is fixedly connected to the second rotating shaft 4, a driven gear 6 is fixedly connected to the bottom of the second rotating shaft 4, a servo motor 7 is fixedly connected to the lower end surface of the box body 1, a driving end of the servo motor 7 passes through the bottom wall of the box body 1 and is fixedly connected to a driving gear 8 meshing with the driven gear 6, the first rotating shaft 2 A bracket 9 is fixedly connected to the top of the rack 9, a group of carrier frames 10 are fixedly connected inside the rack 9, and a placement box 11 is arranged inside the carrier frames 10; the driving gear 8 is rotated by the servo motor 7, and the rotation of the driving gear 8 drives the driven gear 6, the second rotating shaft 4 and the paddle wheel 5 to rotate, thereby making the intermittent wheel 3 and the first rotating shaft 2 to perform continuous intermittent rotation, so that the bracket 9, the carrier frame 10 and the placement box 11 perform continuous intermittent rotation, thereby performing continuous intermittent rotation of the dried sample object, so that it is evenly heated and dried, and the drying effect is improved.

[0031] like Figure 1 and Figure 5 As shown, as a preferred embodiment, on the basis of the above-mentioned method, further, a connecting plate 12 is fixedly connected to the carrier frame 10, a threaded sleeve 13 is fixedly connected to the lower end surface of the outer end of the connecting plate 12, the threaded sleeve 13 is internally threadedly connected to a limiting column 14, and a through hole matching the limiting column 14 is opened on the connecting plate 12; it is convenient to limit the placement box 11 placed therein to ensure stability during rotation, and it is also convenient to adjust and take out the placement box 11 as a whole, thereby facilitating the removal of the dried sample.

[0032] like Figure 2 As shown, as a preferred embodiment, on the basis of the above method, further, the box body 1 is rotatably connected to the box door 15 through a hinge, and a handle is installed on the outer wall of the box door 15; it is convenient to seal the box body 1 to ensure the drying effect.

[0033] like Figure 1 and Figure 2 As shown, as a preferred embodiment, on the basis of the above method, further, the lower end surface of the box body 1 is fixedly connected with a bottom frame 16, and the four corners of the lower end surface of the bottom frame 16 are fixedly connected with supporting feet 17; it is convenient to support the box body 1, the arrangement is simple, and it is easy to use.

[0034] like Figure 1 and Figure 3 As shown, as a preferred embodiment, on the basis of the above method, further, the spacing between adjacent carriers 10 increases from bottom to top; it is convenient to place sample objects of different sizes, increase the flexibility of the drying box, no adjustment is required, improve the drying efficiency, and be more practical.

[0035] like Figure 1 , Figure 5 and Figure 6 As shown, as a preferred embodiment, based on the above method, further, a group of openings are evenly opened on the bottom wall of the placement box 11, and the cross-sectional shape of the placement box 11 is circular; the flow of gas is ensured, the drying effect is improved, and the weight of the placement box 11 can be reduced.

[0036] Specifically, when the electric constant temperature blast drying oven is working / in use: the objects to be dried are placed in the corresponding placement box 11 according to their own sizes, and then the box door 15 is closed to dry them, and the servo motor 7 is started to rotate the driving gear 8. The rotation of the driving gear 8 drives the driven gear 6, the second rotating shaft 4 and the toggle wheel 5 to rotate, thereby driving the intermittent wheel 3 and the first rotating shaft 2 to perform continuous intermittent rotation, so that the bracket 9, the carrier frame 10 and the placement box 11 perform continuous intermittent rotation, so that the objects can be evenly dried and the drying effect is improved. After the drying is completed, the limit column 14 is rotated downward, and then the placement box 11 is pulled out as a whole to facilitate the removal of the dried sample.

[0037] All technical features in this embodiment can be freely combined according to actual needs.

[0038] The above embodiments are preferred implementation schemes of the present invention. In addition, the present invention can also be implemented in other ways. Any obvious replacement without departing from the concept of the present technical solution is within the protection scope of the present invention.

Claims

1. An electrothermal constant temperature forced air drying oven, comprising a box body (1), characterized in that, A first rotating shaft (2) is rotatably connected inside the box (1), an intermittent wheel (3) is fixedly connected to the first rotating shaft (2), a second rotating shaft (4) is rotatably connected inside the box (1), a toggle wheel (5) meshingly connected to the intermittent wheel (3) is fixedly connected to the second rotating shaft (4), a driven gear (6) is fixedly connected to the bottom of the second rotating shaft (4), a servo motor (7) is fixedly connected to the lower end surface of the box (1), a driving end of the servo motor (7) passes through the bottom wall of the box (1) and is fixedly connected to a driving gear (8) meshingly connected to the driven gear (6), a bracket (9) is fixedly connected to the top end of the first rotating shaft (2), a group of carrier frames (10) are fixedly connected inside the bracket (9), and a placement box (11) is provided inside each of the carrier frames (10).

2. The electrothermal constant temperature blast drying oven according to claim 1, wherein The support frame (10) is fixedly connected to a connecting plate (12), the lower end surface of the outer end of the connecting plate (12) is fixedly connected to a threaded sleeve (13), the threaded sleeve (13) is internally threadedly connected to a limiting column (14), and the connecting plate (12) is provided with a through hole matching the limiting column (14).

3. An electrothermal constant temperature forced air drying oven according to claim 1, characterized in that, The box body (1) is rotatably connected to a box door (15) via a hinge, and a handle is installed on the outer side wall of the box door (15).

4. The electrothermal constant temperature forced air drying oven according to claim 1, wherein, The lower end surface of the box body (1) is fixedly connected to a bottom frame (16), and the four corners of the lower end surface of the bottom frame (16) are fixedly connected to support feet (17).

5. The electrothermal constant temperature forced air drying oven according to claim 1, characterized in that, The spacing between adjacent support frames (10) increases from bottom to top.

6. The electrothermal constant-temperature forced-draft drying oven according to claim 1, wherein A group of openings are evenly arranged on the bottom wall of the placement box (11), and the cross-sectional shape of the placement box (11) is circular.

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