Vacuum drying oven capable of uniformly heating

By using a stirring mechanism and a U-shaped heating pipe in the vacuum drying box, the problem of uneven drying temperature of the material during heating is solved, uniform heating and efficient drying of the material are achieved, and the drying quality is improved.

CN222165520UActive Publication Date: 2024-12-13BEIJING HENGXIN CHEM CO LTD
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Patent Information

Application Number
CN202420936415.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-30
Publication Date
2024-12-13
Estimated Expiration
2034-04-30

AI Technical Summary

Technical Problem

When heating, the existing vacuum drying box is uneven due to the uncertain material position and placement position, which affects the drying efficiency and quality.

Method used

A vacuum drying box that can be heated evenly is designed, using a stirring mechanism and a U-shaped heating tube, the material is stirred through the stirring mechanism to heat the material evenly, and the material is ensured at a suitable drying temperature through a temperature regulator and a controller.

Benefits of technology

It realizes uniform heating of materials, reduces uneven heating conditions, improves drying efficiency and quality, and facilitates the simultaneous drying of multiple groups of materials.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222165520U_ABST
Patent Text Reader

Abstract

The utility model discloses a vacuum drying oven capable of uniformly heating, and relates to the technical field of drying equipment. A vacuum drying oven capable of conducting uniform heating comprises an oven body, two symmetrical oven doors are installed on the oven body, a temperature adjusting instrument is fixed to one side of each oven door and stretches into the oven body, supporting plates are fixed in the oven body and distributed in an array mode, first heating pipes are fixed to the supporting plates, two symmetrical rotating boxes are arranged in the oven body and distributed in an array mode, and the two rotating boxes are arranged in the oven body. A box door is installed on the rotating box, a supporting frame is fixed to the upper end of the box body, and a stirring mechanism is arranged between the supporting frame and the box body. And the materials are stirred through the stirring mechanism, so that the materials are uniformly heated, the situation that the materials are not uniformly heated is reduced, multiple groups of materials are conveniently dried at the same time, and the drying effect and quality of the materials are improved.
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Description

Technical Field

[0001] The present application relates to the technical field of drying equipment, and in particular to a vacuum drying oven capable of being heated evenly. Background Art

[0002] The vacuum drying oven is specially designed for drying heat-sensitive, easily decomposable and easily oxidizable substances. It can maintain a certain vacuum degree in the working chamber during operation and can fill the interior with inert gas, especially for quickly drying some items with complex ingredients.

[0003] A vacuum drying oven mentioned in an existing Chinese public patent (authorization announcement number: CN215832316U) includes a box body, a vacuum tube, a vacuum valve installed on the vacuum tube, and a vacuum pump. A drying chamber is opened in the box body, the drying chamber is connected to the vacuum tube, the vacuum pump is installed on the vacuum tube, and also includes a ventilation component for discharging evaporated water vapor in the drying chamber. The ventilation component includes a gas generator for preparing inert gas, a connecting pipe, and a first valve installed on the connecting pipe. The gas generator is connected to the drying chamber through the connecting pipe. The designed vacuum drying oven can extract moisture in the drying chamber to the outside through the ventilation component, reduce the condensation of water vapor back into the material, and thus improve the drying efficiency of the material.

[0004] When the vacuum drying oven is used, it is used to dry powdered materials, honeycomb materials, biological products and other materials, so as to maintain the integrity and stability of the materials and facilitate the rapid drying of the materials. When the above device is drying, the materials are placed in the drying oven and then heated by the heating tube. The position and placement of the materials are certain. When heated again, the drying temperature of the materials is easily different, which makes the drying time of the materials inconsistent, affecting the drying effect and quality of the materials. Utility Model Content

[0005] The purpose of the present application is to solve the problem that when the position and placement of materials are certain, the materials are easily subjected to different drying temperatures during reheating, resulting in inconsistent material drying times, which affects the drying efficiency and quality of the materials. The present application provides a vacuum drying oven that can be heated evenly.

[0006] In order to achieve the above-mentioned purpose, this application specifically adopts the following technical solutions:

[0007] A vacuum drying oven capable of uniform heating comprises a box body, two symmetrical box doors are installed on the box body, a temperature regulator is fixed on one side of the box door, the temperature regulator extends into the box body, a support plate is fixed in the box body and arranged in an array, a heating tube is fixed on the support plate, two symmetrical rotating boxes are arranged in the box body and arranged in an array, the rotating boxes are installed with box doors, a support frame is fixed on the upper end of the box body, and a stirring mechanism is arranged between the support frame and the box body.

[0008] By adopting the above technical solution, the material is stirred through the stirring mechanism, so that the material is heated evenly, the uneven heating of the material is reduced, and it is convenient to dry multiple groups of materials at the same time, thereby improving the drying effect and quality of the material.

[0009] Furthermore, the stirring mechanism includes a motor fixed to the upper end of the support frame, and two symmetrical transmission boxes are fixed on the box body. The output end of the motor passes through the support frame and extends into the transmission box and is fixedly connected to a gear 1. A rotating rod 1 is fixed to the lower end of the gear, and a lower end of the rotating rod extends into the box body. The rotating rod 1 is fixedly connected to the bottom of the rotating box, and a transmission assembly is arranged between the transmission box and the box body.

[0010] By adopting the above technical solution, the motor is started, the motor drives gear one to rotate, gear one causes rotating rod one to rotate, and rotating rod one drives multiple rotating boxes to rotate, so that the material is evenly heated and the uneven heating of the material is reduced.

[0011] Furthermore, the transmission assembly includes a transmission rod rotatably arranged between two transmission boxes, both ends of the transmission rod extend into the transmission box and are fixedly connected with gear 2, gear 2 and gear 1 are meshed with each other, one end of the transmission rod away from gear 1 and meshed with gear 2 is meshed with gear 3, the lower end of gear 3 is fixed with rotating rod 2, the rotating rod 2 extends out of the transmission box into the box body and is fixedly connected with the rotating box, and a stirring member is arranged between the rotating box and the box body.

[0012] By adopting the above technical solution, gear one drives gear two to rotate, gear two drives the transmission rod to rotate, the transmission rod drives gear two to rotate, so that gear two drives gear three to rotate, and the rotating rod two drives the rotating box to rotate, which makes it easier to drive multiple rotating boxes to rotate and improve the drying efficiency.

[0013] Furthermore, the stirring member includes two symmetrical limiting rods hinged on the inner wall of the box body, a limiting plate is fixed to the lower end of the limiting rod, the lower end of the limiting plate is in contact with the bottom of the rotating box, a spring is arranged between the limiting rod and the box body, the upper end of the spring is fixedly connected to the inner wall of the box body, and the lower end of the spring is fixedly connected to the limiting rod.

[0014] By adopting the above technical solution, the elastic force of the spring causes the limiting rod to be stressed, so that the limiting plate contacts the bottom of the rotating box, and the limiting plate and the limiting rod stir and flip the material in the rotating box, which facilitates uniform heating of the material.

[0015] Furthermore, the limiting rod and the limiting plate are both arranged obliquely.

[0016] By adopting the above technical solution, the limiting rod and the limiting plate are both arranged obliquely to facilitate the turning and stirring of the material, so that the material is heated evenly.

[0017] Furthermore, heating tubes 2 are fixed on both sides and upper and lower ends of the inner wall of the box body, and the lower end of the support plate is fixedly connected to the heating tubes 2.

[0018] By adopting the above technical solution, it is convenient to heat the material from all directions, so as to facilitate uniform drying of the material.

[0019] Furthermore, the heating tube 1 and the heating tube 2 are both U-shaped and distributed in an array.

[0020] By adopting the above technical solution, the heating tube 1 and the heating tube 2 are U-shaped, which is convenient for uniform heating of the material.

[0021] Furthermore, a controller is fixed on the side of the box away from the temperature regulator, the controller is electrically connected to the first heating tube, the second heating tube is electrically connected to the controller, the controller is electrically connected to the temperature regulator, and the rotating box is a heat-conducting metal.

[0022] By adopting the above technical solution, when it is detected that the temperature exceeds the preset temperature, feedback is given to the controller, and the controller controls the temperature of heating tube 1 and heating tube 2, so that the material is kept at a suitable drying temperature, which is convenient for heating the material. The heat is conducted through the metal rotating box, which is convenient for heating the material.

[0023] In summary, the present application includes at least one of the following beneficial effects:

[0024] 1. When the vacuum drying oven is in use, the motor is started, and the motor drives gear 1 to rotate, gear 1 causes rotating rod 1 to rotate, and rotating rod 1 drives multiple rotating boxes to rotate. At the same time, gear 1 drives gear 2 to rotate, gear 2 drives transmission rod to rotate, and transmission rod drives gear 2 to rotate, so that gear 2 drives gear 3 to rotate, and rotating rod 2 drives rotating box to rotate, which is convenient for driving multiple rotating boxes to rotate. At the same time, the elastic force of the spring forces the limiting rod to be stressed, so that the limiting plate contacts the bottom of the rotating box, and the limiting plate and the limiting rod stir and flip the material in the rotating box. The material is stirred through the stirring mechanism, so that the material is evenly heated, and the uneven heating of the material is reduced, which is convenient for drying multiple groups of materials at the same time, and improving the drying effect and quality of the material.

[0025] 2. When the vacuum drying oven is in use, start heating tube 2. Heating tube 2 and heating tube 1 are convenient for heating the material from all directions, which is convenient for uniform drying of the material. Heating tube 1 and heating tube 2 are U-shaped, which is convenient for uniform heating of the material. The temperature in the box is detected by the temperature regulator. When it is detected that the temperature exceeds the preset temperature, it is fed back to the controller. The controller controls the temperature of heating tube 1 and heating tube 2, so that the material is at a suitable drying temperature and is convenient for heating the material. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a three-dimensional structural schematic diagram of the vacuum drying oven in this application.

[0027] Figure 2 It is a schematic diagram of the first internal structure of the vacuum drying box in this application.

[0028] Figure 3 It is a schematic diagram of the second internal structure of the vacuum drying box in this application.

[0029] Figure 4 It is a schematic diagram of the internal structure of the transmission box in this application.

[0030] Description of reference numerals:

[0031] 1. Box body; 2. Box door; 3. Temperature regulator; 4. Support plate; 5. Heating tube 1; 6. Rotating box; 7. Box door; 8. Motor; 9. Support frame; 10. Transmission box; 11. Heating tube 2; 12. Transmission rod; 13. Rotating rod 1; 14. Gear 1; 15. Gear 2; 16. Gear 3; 17. Rotating rod 2; 18. Limit rod; 19. Spring; 20. Limit plate; 21. Controller. DETAILED DESCRIPTION

[0032] The following is combined with Figure 1-4 This application is described in further detail.

[0033] The embodiment of the present application discloses a vacuum drying oven that can be heated evenly.

[0034] Reference Figure 1 and Figure 2 A vacuum drying oven capable of uniform heating comprises a box body 1, two symmetrical box doors 2 are mounted on the box body 1, a temperature regulator 3 is fixed on one side of the box door 2, the temperature regulator 3 extends into the box body 1, a support plate 4 is fixed in the box body 1 and arranged in an array, a heating tube 5 is fixed on the support plate 4, two symmetrical rotating boxes 6 are arranged in the box body 1 and arranged in an array, a box door 7 is mounted on the rotating box 6, a support frame 9 is fixed on the upper end of the box body 1, and a stirring mechanism is arranged between the support frame 9 and the box body 1.

[0035] When the vacuum drying oven is used, the staff first opens the oven door 2, then opens the box door 7, puts the material to be dried into the rotating box 6, closes the oven door 2 and the box door 7, extracts the air through an external vacuum pump, injects inert gas, and then stirs the material through a stirring mechanism, so that the material is heated evenly, reducing the uneven heating of the material, facilitating the simultaneous drying of multiple groups of materials, and improving the drying effect and quality of the materials.

[0036] Reference Figure 2-Figure 4 The stirring mechanism includes a motor 8 fixed on the upper end of the support frame 9, and two symmetrical transmission boxes 10 are fixed on the box body 1. The output end of the motor 8 penetrates the support frame 9 and extends into the transmission box 10 and is fixedly connected with a gear 14. A rotating rod 13 is fixed at the lower end of the gear. The lower end of the rotating rod 13 extends into the box body 1. The rotating rod 13 is fixedly connected to the bottom of the rotating box 6. A transmission assembly is arranged between the transmission box 10 and the box body 1. The transmission assembly includes a transmission rod 12 rotatably arranged between the two transmission boxes 10. Both ends of the transmission rod 12 extend into the transmission box 10 and are fixedly connected with a gear 2 15. The gear 2 15 and the gear 14 are meshed. The end of the transmission rod 12 away from the gear 14 and the gear 2 15 is meshed with a gear 3 16. The lower end of the gear 3 16 is fixed with a rotating rod 2 17. The rotating rod 2 17 extends out of the transmission box 10 and extends into the box body 1 and is fixedly connected with the rotating box 6. A stirring member is arranged between the rotating box 6 and the box body 1. The stirring member includes two symmetrical limiting rods 18 hinged on the inner wall of the box body 1, and a limiting plate 20 is fixed to the lower end of the limiting rod 18. The lower end of the limiting plate 20 contacts the bottom of the rotating box 6. A spring 19 is arranged between the limiting rod 18 and the box body 1, and the upper end of the spring 19 is fixedly connected to the inner wall of the box body 1, and the lower end of the spring 19 is fixedly connected to the limiting rod 18. The limiting rod 18 and the limiting plate 20 are both arranged obliquely.

[0037] When the vacuum drying oven is used, the motor 8 is started, the motor 8 drives the gear 14 to rotate, the gear 14 makes the rotating rod 13 rotate, the rotating rod 13 drives the multiple rotating boxes 6 to rotate, and at the same time, the gear 14 drives the gear 2 15 to rotate, the gear 2 15 drives the transmission rod 12 to rotate, the transmission rod 12 drives the gear 2 15 to rotate, so that the gear 2 15 drives the gear 3 16 to rotate, so that the rotating rod 2 17 drives the rotating box 6 to rotate, which is convenient for driving the multiple rotating boxes 6 to rotate and improving the drying efficiency. At the same time, the elastic force of the spring 19 makes the limiting rod 18 The limiting plate 20 contacts the bottom of the rotating box 6 with force, and the limiting plate 20 and the limiting rod 18 stir and flip the material in the rotating box 6 to facilitate uniform heating of the material. When the rotating box 6 rotates, the limiting plate 20 contacts the material, and the limiting rod 18 and the limiting plate 20 are both inclined to facilitate flipping and stirring of the material, so that the material is heated evenly, and the spring 19 is extended and retracted. The material is stirred through the stirring mechanism, so that the material is heated evenly, reducing the situation of uneven heating of the material, facilitating the simultaneous drying of multiple groups of materials, and improving the drying effect and quality of the materials.

[0038] Reference Figure 2 and Figure 3 The inner wall of the box 1 is fixed with heating tubes 11 on both sides and the upper and lower ends, and the lower end of the support plate 4 is fixedly connected to the heating tube 11. The heating tubes 15 and 11 are both U-shaped and arranged in an array. The controller 21 is fixed on the side of the box 1 away from the temperature regulator 3. The controller 21 is electrically connected to the heating tube 15, the heating tube 11 is electrically connected to the controller 21, and the controller 21 is electrically connected to the temperature regulator 3. The rotating box 6 is a heat-conducting metal.

[0039] When the vacuum drying oven is in use, the heating tube 11 is started. The heating tube 11 and the heating tube 15 are convenient for heating the material from all directions, which is convenient for uniform drying of the material. The heating tube 15 and the heating tube 11 are U-shaped, which is convenient for uniform heating of the material. The temperature in the box body 1 is detected by the temperature regulator 3. When it is detected that the temperature exceeds the preset temperature, it is fed back to the controller 21. The controller 21 controls the temperature of the heating tube 15 and the heating tube 11, so that the material is at a suitable drying temperature and is convenient for heating the material. The metal rotating box 6 is convenient for heat conduction, which is convenient for heating the material.

[0040] The implementation principle of the vacuum drying oven capable of uniform heating in this embodiment is as follows: when the vacuum drying oven is used, the staff first opens the oven door 2, then opens the box door 7, puts the material to be dried into the rotating box 6, closes the oven door 2 and the box door 7, extracts the air through an external vacuum pump, injects inert gas, starts the heating tube 1 5 and the heating tube 2 11, and heats the material;

[0041] When the vacuum drying oven is in use, the motor 8 is started, and the motor 8 drives the gear 14 to rotate, and the gear 14 makes the rotating rod 13 rotate, and the rotating rod 13 drives the multiple rotating boxes 6 to rotate. At the same time, the gear 14 drives the gear 2 15 to rotate, and the gear 2 15 drives the transmission rod 12 to rotate, and the transmission rod 12 drives the gear 2 15 to rotate, so that the gear 2 15 drives the gear 3 16 to rotate, so that the rotating rod 2 17 drives the rotating box 6 to rotate, which is convenient for driving the multiple rotating boxes 6 to rotate and improve the drying efficiency. At the same time, the elastic force of the spring 19 makes the limiting rod 18 stressed, so that the limiting plate 20 contacts the bottom of the rotating box 6, and the limiting plate 20 and the limiting rod 18 stir and flip the material in the rotating box 6, which is convenient for uniform heating of the material. When the rotating box 6 rotates, the limiting plate 20 contacts the material, so that the spring 19 expands and contracts, and the material is stirred through the stirring mechanism. The limiting rod 18 and the limiting plate 20 are both inclined to facilitate the flipping and stirring of the material, so that the material is heated evenly.

[0042] During heating and stirring, the heating tube 1 5 and the heating tube 2 11 are U-shaped to facilitate uniform heating of the material. The temperature in the box 1 is detected by the temperature regulator 3. When it is detected that the temperature exceeds the preset temperature, it is fed back to the controller 21. The controller 21 controls the temperature of the heating tube 1 5 and the heating tube 2 11 to facilitate the material to be at a suitable drying temperature and to facilitate the heating of the material. The heat is conducted through the metal rotating box 6 to facilitate heating of the material. After heating, the motor 8 is turned off, the box door 2 and the box door 7 are opened, and the material is taken out to facilitate the next drying.

Claims

1. A vacuum drying oven capable of uniform heating, comprising a box body (1), characterized in that: The box body (1) is provided with two symmetrical box doors (2), a temperature regulator (3) is fixed on one side of the box door (2), and the temperature regulator (3) extends into the box body (1). A support plate (4) is fixed in the box body (1) and arranged in an array, a heating tube (5) is fixed on the support plate (4), two symmetrical rotating boxes (6) are arranged in the box body (1) and arranged in an array, a box door (7) is installed on the rotating box (6), a support frame (9) is fixed on the upper end of the box body (1), and a stirring mechanism is arranged between the support frame (9) and the box body (1).

2. A vacuum drying oven capable of uniform heating according to claim 1, characterized in that: The stirring mechanism comprises a motor (8) fixed to the upper end of a support frame (9); two symmetrical transmission boxes (10) are fixed to the housing (1); an output end of the motor (8) passes through the support frame (9) and extends into the transmission box (10) and is fixedly connected to a gear 1 (14); a rotating rod 1 (13) is fixed to the lower end of the gear; the lower end of the rotating rod 1 (13) extends into the housing (1); the rotating rod 1 (13) is fixedly connected to the bottom of the rotating box (6); and a transmission assembly is provided between the transmission box (10) and the housing (1).

3. A vacuum drying oven capable of uniform heating according to claim 2, characterized in that: The transmission assembly comprises a transmission rod (12) rotatably arranged between two transmission boxes (10), both ends of the transmission rod (12) extending into the transmission box (10) and fixedly connected to a second gear (15), the second gear (15) meshing with a first gear (14), one end of the transmission rod (12) away from the first gear (14) meshing with a third gear (16), a second rotating rod (17) being fixed at the lower end of the third gear (16), the second rotating rod (17) extending out of the transmission box (10) and into the housing (1) and fixedly connected to a rotating box (6), a stirring member being arranged between the rotating box (6) and the housing (1).

4. A vacuum drying oven capable of uniform heating according to claim 3, characterized in that: The stirring member comprises two symmetrical limiting rods (18) hinged on the inner wall of the box body (1); a limiting plate (20) is fixed to the lower end of the limiting rod (18); the lower end of the limiting plate (20) contacts the bottom of the rotating box (6); a spring (19) is provided between the limiting rod (18) and the box body (1); the upper end of the spring (19) is fixedly connected to the inner wall of the box body (1); and the lower end of the spring (19) is fixedly connected to the limiting rod (18).

5. A vacuum drying oven capable of uniform heating according to claim 4, characterized in that: The limiting rod (18) and the limiting plate (20) are both arranged at an inclination.

6. The vacuum drying oven capable of uniform heating according to claim 1, characterized in that: Heating tube 2 (11) is fixed on both sides and upper and lower ends of the inner wall of the box body (1), and the lower end of the support plate (4) is fixedly connected to the heating tube 2 (11).

7. A vacuum drying oven capable of uniform heating according to claim 6, characterized in that: The heating tube 1 (5) and the heating tube 2 (11) are both U-shaped and arranged in an array.

8. A vacuum drying oven capable of uniform heating according to claim 7, characterized in that: A controller (21) is fixed to a side of the box (1) away from the temperature regulator (3); the controller (21) is electrically connected to the first heating tube (5); the second heating tube (11) is electrically connected to the controller (21); the controller (21) is electrically connected to the temperature regulator (3); and the rotating box (6) is made of heat-conducting metal.

Citation Information

Patent Citations

  • Vacuum drying oven

    CN215832316U