Multi-temperature device for constant-temperature drying box

Abstract

The multi-temperature device comprises a shell, a drying oven is arranged at an opening of the front wall of the shell, a plurality of partition plates are detachably installed in the drying oven from top to bottom, the partition plates divide the interior of the drying oven into a plurality of drying bins, and the drying bins are arranged in the shell. Box doors are hinged to the positions, corresponding to the drying bins, of the front wall of the shell; according to the utility model, the plurality of drying bins, the U-shaped air ducts, the air circulation mechanisms and the electric heating rods are arranged, so that samples under different baking conditions can be put into different drying bins during use, and the corresponding electric heating rods and air circulation mechanisms are started, so that the samples in each drying bin are independently baked; in addition, when large-size samples need to be baked, the partition plates can be detached from the oven, so that the two or more adjacent drying bins are communicated, the large-size samples can be contained conveniently, and the use effect is good.

Description

Technical Field

[0001] The utility model relates to the technical field of constant temperature drying ovens, in particular to a multi-temperature device used in constant temperature drying ovens. Background Art

[0002] In the design and production process of industrial products, products need to be tested. Some test samples need to be baked in a constant temperature drying oven before testing.

[0003] At present, most constant temperature drying ovens are only equipped with one oven, which can only meet one temperature requirement when in use. In actual work, sometimes there are many types of samples, and they need to be baked at different temperatures and for different lengths of time. Insufficient ovens in the constant temperature drying oven will affect the test progress. For this reason, we propose a multi-temperature device for use in a constant temperature drying oven. Utility Model Content

[0004] The purpose of the utility model is to provide a multi-temperature device used in a constant temperature drying oven to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A multiple-temperature device used in a constant-temperature drying oven comprises a shell, an oven is arranged at the opening of the front wall of the shell, a plurality of partitions are detachably installed from top to bottom in the oven, the plurality of partitions divide the interior of the oven into a plurality of drying bins, a cabinet door is hingedly connected at the corresponding positions of the front wall of the shell and each drying bin, a vertical plate and a plurality of U-shaped plates are fixedly installed in the shell to form a plurality of U-shaped air ducts on the outside of the oven, the U-shaped air ducts correspond to the drying bins one by one, electric heating rods are fixedly installed at the rear wall of the shell in the U-shaped air ducts, an air circulation mechanism is installed at the outer wall of the oven and the corresponding positions of each drying bin, a plurality of exhaust pipes are penetrated through the rear wall of the shell, and the exhaust pipes are communicated with the corresponding drying bins.

[0007] As a further solution of the utility model: a plurality of air outlets are provided on the outer wall of the oven adjacent to the vertical plate, a plurality of air inlet holes are provided on the outer wall of the oven away from the vertical plate, the air outlets and the air inlet holes are both connected with the corresponding drying bin and the U-shaped air duct, the air circulation mechanism includes a fan, the fan is fixed on the outer wall of the oven, and the air inlet of the fan is connected with the air outlet, motors are installed at the corresponding positions of the outer wall of the vertical plate and each fan, and the output shaft of the motor is connected with the corresponding fan.

[0008] As a further solution of the utility model: inspection openings are provided at the corresponding positions of the rear wall of the shell and each U-shaped air duct, and covers are detachably installed at the corresponding positions of the rear wall of the shell and the inspection openings, and the electric heating rod is aligned with the corresponding inspection openings.

[0009] As a further solution of the utility model: temperature sensors are fixedly installed on the outer wall of the oven and the corresponding positions of each drying bin, a plurality of temperature controllers are installed on the front wall of the shell, the electric heating rod, temperature sensor and motor are electrically connected to the corresponding temperature controllers, and a power switch is installed on the front wall of the shell.

[0010] As a further solution of the utility model: a U-shaped frame is fixedly connected to the inner wall of the oven and the corresponding position of each partition, and a partition bar is embedded and installed through a groove at the opening of the oven and the corresponding position of each partition, and slots matching the partition bars are provided on the partition bars and the U-shaped frame, and the outer edge of the partition is located in the corresponding slot, and the door is in contact with the corresponding partition bar when the door is closed.

[0011] As a further solution of the utility model: aerogel felt is fixedly installed on the top and bottom of the partition.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The utility model utilizes the arrangement of multiple drying chambers, U-shaped air ducts, air circulation mechanisms and electric heating rods. When in use, samples with different baking conditions can be placed in different drying chambers, and the corresponding electric heating rods and air circulation mechanisms can be started to independently bake the samples in each drying chamber to simultaneously meet the baking needs of multiple types of samples. In addition, when it is necessary to bake large-sized samples, the partition can be removed from the oven to connect two or more adjacent drying chambers to facilitate accommodating large-sized samples, thereby achieving good use effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The present invention is a schematic diagram of the structure of a multi-temperature device used in a constant temperature drying oven.

[0015] Figure 2 The diagram is a schematic diagram of the internal structure of an oven used in a multiple-temperature device of a constant temperature drying oven.

[0016] Figure 3 for Figure 2 A partial cross-sectional view of .

[0017] Figure 4 for Figure 3 Enlarged view of point A in the middle.

[0018] Figure 5 The figure is a schematic diagram of the structure of a U-shaped air duct used in a multiple-temperature device of a constant temperature drying oven.

[0019] Among them, the shell 1, the oven 2, the U-shaped frame 3, the partition 4, the aerogel felt 5, the partition bar 6, the groove 7, the drying chamber 8, the box door 9, the vertical plate 10, the U-shaped plate 11, the U-shaped air duct 12, the air outlet 13, the fan 14, the motor 15, the electric heating rod 16, the air inlet 17, the exhaust pipe 18, the inspection port 19, the cover plate 20, the temperature sensor 21, the temperature controller 22, and the power switch 23. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figures 1 to 5 In an embodiment of the utility model, a multi-temperature device used in a constant temperature drying oven comprises a shell 1, an oven 2 is provided at the opening of the front wall of the shell 1, a plurality of partitions 4 are detachably installed from top to bottom in the oven 2, the plurality of partitions 4 divide the interior of the oven 2 into a plurality of drying bins 8, a cabinet door 9 is hingedly connected at the corresponding positions of the front wall of the shell 1 and each drying bin 8, a vertical plate 10 and a plurality of U-shaped plates 11 are fixedly installed in the shell 1 to form a plurality of U-shaped air ducts 12 on the outside of the oven 2, the U-shaped air ducts 12 correspond to the drying bins 8 one by one, an electric heating rod 16 is fixedly installed at the rear wall of the shell 1 in the U-shaped air duct 12, an air circulation mechanism is installed at the outer wall of the oven 2 and the corresponding positions of each drying bin 8, a plurality of exhaust pipes 18 are penetrated through the rear wall of the shell 1, and the exhaust pipes 18 are communicated with the corresponding drying bins 8.

[0022] The utility model adopts the above-mentioned scheme, utilizes the arrangement of multiple drying chambers 8, U-shaped air ducts 12, air circulation mechanisms and electric heating rods 16, and when in use, samples with different baking conditions can be placed in different drying chambers 8, and the corresponding electric heating rods 16 and air circulation mechanisms are started to independently bake the samples in each drying chamber 8, so as to meet the baking processing requirements of multiple types of samples at the same time. In addition, when it is necessary to bake large-sized samples, the partition 4 can be removed from the oven 2 to connect two or more adjacent drying chambers 8 to facilitate accommodating large-sized samples, and the use effect is good.

[0023] Specific combination Figure 5In one embodiment of the utility model, the outer wall of the oven 2 adjacent to the vertical plate 10 is provided with a plurality of air outlets 13, and the outer wall of the oven 2 away from the vertical plate 10 is provided with a plurality of air inlet holes 17, the air outlets 13 and the air inlet holes 17 are both connected to the corresponding drying bin 8 and the U-shaped air duct 12, the air circulation mechanism includes a fan 14, the fan 14 is fixed on the outer wall of the oven 2, and the air inlet of the fan 14 is connected to the air outlet 13, the outer wall of the vertical plate 10 and the corresponding positions of each fan 14 are installed with motors 15, and the output shaft of the motor 15 is connected to the corresponding fan 14.

[0024] By adopting the above arrangement, the motor 15 is started to drive the fan 14 to operate. Figure 5 As shown by the arrows in the figure, the air in the drying chamber 8 will enter the U-shaped air duct 12 from the air outlet 13 under the action of the fan 14, and after being heated by the electric heating rod 16, it will enter the drying chamber 8 again at the air inlet 17 to realize the circulation of hot air, thereby performing hot air drying on the samples.

[0025] Specific combination Figure 5 In one embodiment of the utility model, inspection openings 19 are provided at the corresponding positions of the rear wall of the shell 1 and each U-shaped air duct 12, and a cover plate 20 is detachably installed at the corresponding positions of the rear wall of the shell 1 and the inspection opening 19 by bolts, and the electric heating rod 16 is aligned with the corresponding inspection opening 19. An aluminum alloy radiator is also installed on the electric heating rod 16, and the aluminum alloy radiator includes a tube body fixedly sleeved on the electric heating rod 16, and a plurality of fins are provided on the outer wall of the tube body.

[0026] The provision of the inspection port 19 and the cover plate 20 facilitates maintenance of each electric heating rod 16 , and the provision of the aluminum alloy radiator can improve the heat exchange efficiency between the electric heating rod 16 and the air.

[0027] Specific combination Figure 1 and Figure 5 In one embodiment of the utility model, a temperature sensor 21 is fixedly installed on the outer wall of the oven 2 and at the corresponding position of each drying chamber 8, a plurality of temperature controllers 22 are installed on the front wall of the shell 1, the electric heating rod 16, the temperature sensor 21 and the motor 15 are electrically connected to the corresponding temperature controller 22, and a power switch 23 is installed on the front wall of the shell 1.

[0028] By providing the temperature sensor 21 and the temperature controller 22 , it is convenient to individually control the drying temperature in each drying chamber 8 .

[0029] Specific combination Figure 1-5In one embodiment of the utility model, a U-shaped frame 3 is fixedly connected to the inner wall of the oven 2 and the corresponding position of each partition 4, and a partition bar 6 is embedded and installed through a groove 7 at the opening of the oven 2 and the corresponding position of each partition 4. The partition bar 6 and the U-shaped frame 3 are provided with slots adapted to the partition 4, and the outer edge of the partition 4 is located in the corresponding slot. When the oven door 9 is closed, it fits with the corresponding partition bar 6.

[0030] The U-shaped frame 3 is provided to facilitate positioning and installation of each partition 4 in the oven 2, and the partition bars 6 are provided to ensure a sealing effect between the oven door 9 and the opening of the oven 2, thereby reducing heat loss.

[0031] Specific combination Figure 5 In one embodiment of the utility model, aerogel felt 5 is fixedly installed on the top and bottom of the partition 4 to utilize the good thermal insulation performance of the aerogel felt 5 to provide thermal insulation effect for the adjacent drying bins 8, thereby reducing the heat exchange between the adjacent drying bins 8.

[0032] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A multi-temperature device for use in a constant temperature drying oven, characterized in that: The invention comprises a shell (1), wherein an oven (2) is arranged at an opening of a front wall of the shell (1), wherein a plurality of partitions (4) are detachably installed from top to bottom in the oven (2), wherein the plurality of partitions (4) divide the interior of the oven (2) into a plurality of drying chambers (8), wherein a door (9) is hingedly connected at a corresponding position of the front wall of the shell (1) and each drying chamber (8), and wherein a vertical plate (10) and a plurality of U-shaped plates (11) are fixedly installed in the shell (1) so as to allow the oven (2) to be opened and closed. A plurality of U-shaped air ducts (12) are formed on the outside of the drying oven (2), the U-shaped air ducts (12) correspond to the drying bins (8) one by one, electric heating rods (16) are fixedly installed in the U-shaped air ducts (12) near the rear wall of the shell (1), air circulation mechanisms are installed at the corresponding positions of the outer wall of the drying oven (2) and each drying bin (8), and a plurality of exhaust pipes (18) are penetrated through the rear wall of the shell (1), and the exhaust pipes (18) are connected to the corresponding drying bins (8).

2. A multi-temperature device for use in a constant temperature drying oven according to claim 1, characterized in that: The outer wall of the oven (2) adjacent to the vertical plate (10) is provided with a plurality of air outlets (13), and the outer wall of the oven (2) away from the vertical plate (10) is provided with a plurality of air inlet holes (17), the air outlets (13) and the air inlet holes (17) are both connected to the corresponding drying chamber (8) and the U-shaped air duct (12), the air circulation mechanism comprises a fan (14), the fan (14) is fixed on the outer wall of the oven (2), and the air inlet of the fan (14) is connected to the air outlet (13), and the outer wall of the vertical plate (10) and the corresponding position of each fan (14) are both equipped with a motor (15), and the output shaft of the motor (15) is connected to the corresponding fan (14).

3. A multi-temperature device for use in a constant temperature drying oven according to claim 1, characterized in that: Inspection openings (19) are provided at corresponding positions of the rear wall of the shell (1) and each U-shaped air duct (12), and a cover plate (20) is detachably installed at corresponding positions of the rear wall of the shell (1) and the inspection opening (19), and the electric heating rod (16) is aligned with the corresponding inspection opening (19).

4. A multi-temperature device for use in a constant temperature drying oven according to claim 1, characterized in that: Temperature sensors (21) are fixedly installed at corresponding positions of the outer wall of the oven (2) and each drying chamber (8), a plurality of temperature controllers (22) are installed on the front wall of the shell (1), the electric heating rod (16), the temperature sensor (21) and the motor (15) are electrically connected to the corresponding temperature controllers (22), and a power switch (23) is installed on the front wall of the shell (1).

5. A multi-temperature device for use in a constant temperature drying oven according to claim 1, characterized in that: The inner wall of the oven (2) and the corresponding position of each partition (4) are fixedly connected with a U-shaped frame (3); the opening of the oven (2) and the corresponding position of each partition (4) are embedded with a partition bar (6) through a groove (7); the partition bar (6) and the U-shaped frame (3) are provided with a slot that matches the partition (4); the outer edge of the partition (4) is located in the corresponding slot; and the oven door (9) fits with the corresponding partition bar (6) when the oven door (9) is closed.

6. A multi-temperature device for use in a constant temperature drying oven according to claim 1, characterized in that: Aerogel felt (5) is fixedly mounted on the top and bottom of the partition (4).

Images