Vacuum dryer

Abstract

The utility model discloses a vacuum drying machine which comprises a driving box body and a drying box body, the drying box body is fixedly installed at the upper end of the driving box body, and a vacuum drying structure is arranged in the drying box body. The vacuum drying structure comprises a sealing door, two mounting plates, four mounting grooves, two heating plates, a vacuum machine, a material tank and a driving connecting assembly. The utility model relates to the technical field of vacuum drying, in particular to a vacuum drying structure, which is characterized in that a material tank is firstly mounted in an embedded manner, a stirring shaft in the material tank is driven by a driving connecting component, and after drying is completed, the material tank can be integrally taken out and turned over, so that materials can be completely discharged, and the drying efficiency is greatly improved. The discharging efficiency of the materials is guaranteed, the discharging comprehensiveness of the materials can be guaranteed, material residues are avoided, meanwhile, the adopted driving connecting assembly can achieve rapid connection of the stirring shaft in the material tank, and the drying efficiency of the materials is further guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of vacuum drying, in particular to a vacuum drying machine. Background Art

[0002] Vacuum drying equipment is a highly efficient and energy-saving intermittent drying equipment. It uses the method of conductive heating to remove liquid and moisture (solvent) from the material. When the material is in a vacuum state, the vapor pressure drops, causing the moisture (solvent) on the surface of the material to reach a saturated state and evaporate, and the water (solvent) is promptly discharged and recovered by the vacuum equipment.

[0003] However, current vacuum drying equipment cannot achieve rapid material feeding and discharging operations during use, resulting in low overall material drying efficiency. After drying is completed, some material may remain in the drying chamber, affecting the comprehensiveness and efficiency of discharging. In view of this, for the above problems, technical means to solve them may already exist in the existing technology, but this case intends to provide an alternative or replacement technical solution. Utility Model Content

[0004] To achieve the above objectives, the present invention is implemented through the following technical solutions: A vacuum dryer comprises a driving box and a drying box, wherein the drying box is fixedly mounted on the upper end of the driving box, and a vacuum drying structure is provided in the drying box;

[0005] The vacuum drying structure includes: a sealing door, two mounting plates, four mounting slots, two heating plates, a vacuum machine, a material tank, and a drive connection assembly;

[0006] One end of the sealing door is mounted on the front side of the drying box through two hinges, the two mounting plates are respectively mounted on the inner walls on both sides of the drying box, the four mounting grooves are respectively opened on the upper ends of the two mounting plates, the two heating plates are respectively mounted on the upper ends of the two mounting plates, the vacuum machine is fixedly mounted on the upper end of the drying box and communicated with the upper end of the drying box, the two ends of the material tank are respectively movably embedded in the four mounting grooves, one end of the drive connection assembly is mounted in the drive box, and the other end is located in the material tank.

[0007] Preferably, the driving connection assembly includes: a motor, a toggle rod, a connecting disc, two limiting protrusions and a stirring shaft;

[0008] The motor is fixedly installed in the center of the drive box, and the driving end movably passes through the connection between the drive box and the drying box. The toggle rod is fixedly installed on the driving end of the motor, and the connecting plate is movably placed on the upper end of the toggle rod. The two limiting protrusions are respectively installed on both sides of the lower end of the connecting plate. The bottom end of the stirring shaft is embedded in the center of the lower wall of the material tank through a bearing, and the bottom end is fixedly connected to the connecting plate.

[0009] Preferably, two guide frames are provided at the connection between the material tank and the mounting groove.

[0010] Preferably, a pulling handle is provided at the front end of the guide frame.

[0011] Preferably, a supporting base plate is provided at the bottom end of the driving box.

[0012] Beneficial effects

[0013] The utility model provides a vacuum dryer with the following beneficial effects: the vacuum drying structure adopted in this case first installs the material tank by an embedded manner, and drives the stirring shaft in the material tank by the provided driving connection component. When the drying is completed, the material tank can be taken out as a whole and turned over to discharge all the materials, thereby ensuring the material discharge efficiency and comprehensiveness of the material discharge and avoiding material residue. At the same time, the driving connection component adopted can realize the rapid connection of the stirring shaft in the material tank, further ensuring the drying efficiency of the material. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the main three-dimensional structure of a vacuum dryer described in the utility model.

[0015] Figure 2 This is a schematic side sectional structural diagram of a vacuum dryer described in the present invention.

[0016] Figure 3 This is a schematic diagram of the partial three-dimensional structure of a vacuum dryer described in the present invention.

[0017] In the figure: 1. Drive box, 2. Drying box, 3. Sealing door, 4. Mounting plate, 5. Mounting slot, 6. Heating plate, 7. Vacuum machine, 8. Material tank, 9. Motor, 10. Toggle lever, 11. Connecting plate, 12. Limiting protrusion, 13. Stirring shaft, 14. Guide frame, 15. Pull handle, 16. Support bottom plate. DETAILED DESCRIPTION

[0018] Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative work shall fall within the scope of protection of the present invention.

[0019] Example: See Figure 1-3 A vacuum dryer comprises a driving box 1 and a drying box 2, wherein the drying box 2 is fixedly mounted on the upper end of the driving box 1, and a vacuum drying structure is provided in the drying box 2;

[0020] The vacuum drying structure includes: a sealing door 3, two mounting plates 4, four mounting slots 5, two heating plates 6, a vacuum machine 7, a material tank 8 and a drive connection assembly;

[0021] One end of the sealed door 3 is mounted on the front side of the drying box 2 through two hinges, two mounting plates 4 are respectively mounted on the inner walls on both sides of the drying box 2, four mounting grooves 5 are respectively opened on the upper ends of the two mounting plates 4, two heating plates 6 are respectively mounted on the upper ends of the two mounting plates 4, the vacuum machine 7 is fixedly mounted on the upper end of the drying box 2 and connected to the upper end of the drying box 2, both ends of the material tank 8 are respectively movably embedded in the four mounting grooves 5, one end of the drive connection assembly is mounted in the drive box 1, and the other end is located in the material tank 8.

[0022] When vacuum drying the material, first inject the material into the material tank 8, and then use the handling equipment to embed the two ends of the material tank 8 into the four mounting grooves 5 on the upper ends of the two mounting plates 4, and use the four mounting grooves 5 to limit the support of the material tank 8, and then close the sealing door 3, limit and fix the material tank 8, and use the two heating plates 6 and the vacuum machine 7 to heat and vacuum the drying box 2, and then drive the driving connection components in the box 1 to stir the material in the material tank 8, and cooperate with the heating and vacuum environment to vacuum dry the material. When the drying is completed, the vacuum machine 7 stops working to make the air pressure in the drying box 2 consistent with the outside world, and then open the sealing door 3 and pull the material tank 8 until the material tank 8 is taken out of the drying box 2 and the material is poured to the designated position.

[0023] In the specific implementation process, the driving connection assembly includes: a motor 9, a toggle rod 10, a connecting disc 11, two limiting protrusions 12 and a stirring shaft 13;

[0024] The motor 9 is fixedly installed at the center of the drive box 1, and the driving end moves through the connection between the drive box 1 and the drying box 2. The toggle rod 10 is fixedly installed on the driving end of the motor 9, and the connecting plate 11 is movably placed on the upper end of the toggle rod 10. The two limiting protrusions 12 are respectively installed on both sides of the lower end of the connecting plate 11. The bottom end of the stirring shaft 13 is embedded in the center of the lower wall of the material tank 8 through a bearing, and the bottom end is fixedly connected to the connecting plate 11.

[0025] When the material tank 8 is installed, the connecting disk 11 at the lower end of the stirring shaft 13 is moved to the upper end of the toggle rod 10, and the toggle rod 10 is clamped and limited by the two limiting protrusions 12 on both sides of the lower end of the connecting disk 11. When the motor 9 is working, the connecting disk 11 is driven to rotate by the toggle rod 10, and the stirring shaft 13 is driven to rotate in the material tank 8, so as to stir the material and improve the overall drying efficiency of the material.

[0026] During the specific implementation process, two guide frames 14 are provided at the connection between the material tank 8 and the mounting groove 5 .

[0027] In the specific implementation process, a pulling handle 15 is provided at the front end of the guide frame 14 .

[0028] In the specific implementation process, a supporting base plate 16 is provided at the bottom end of the driving box 1 .

[0029] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A vacuum dryer comprising a driving box (1) and a drying box (2), characterized in that: The drying box (2) is fixedly mounted on the upper end of the driving box (1), and a vacuum drying structure is provided in the drying box (2); The vacuum drying structure comprises: a sealing door (3), two mounting plates (4), four mounting slots (5), two heating plates (6), a vacuum machine (7), a material tank (8), and a drive connection assembly; One end of the sealing door (3) is mounted on one side of the front end of the drying box (2) through two hinges, the two mounting plates (4) are respectively mounted on the inner walls on both sides of the drying box (2), the four mounting grooves (5) are respectively opened on the upper ends of the two mounting plates (4), the two heating plates (6) are respectively mounted on the upper ends of the two mounting plates (4), the vacuum machine (7) is fixedly mounted on the upper end of the drying box (2) and communicated with the upper end of the drying box (2), the two ends of the material tank (8) are respectively movably embedded in the four mounting grooves (5), one end of the drive connection assembly is mounted in the drive box (1), and the other end is located in the material tank (8).

2. A vacuum dryer according to claim 1, characterized in that, The driving connection assembly comprises: a motor (9), a toggle rod (10), a connecting disc (11), two limiting protrusions (12) and a stirring shaft (13); The motor (9) is fixedly mounted at the center of the drive housing (1), and the driving end movably passes through the connection between the drive housing (1) and the drying housing (2); the toggle rod (10) is fixedly mounted on the driving end of the motor (9); the connecting plate (11) is movably placed on the upper end of the toggle rod (10); the two limiting protrusions (12) are respectively mounted on both sides of the lower end of the connecting plate (11); the bottom end of the stirring shaft (13) is embedded in the center of the lower wall of the material tank (8) through a bearing, and the bottom end is fixedly connected to the connecting plate (11).

3. A vacuum dryer according to claim 1, characterized in that, Two guide frames (14) are provided at the connection between the material tank (8) and the installation groove (5).

4. A vacuum dryer according to claim 3, characterized in that, A pulling handle (15) is provided at the front end of the guide frame (14).

5. A vacuum dryer according to claim 1, characterized in that, A supporting base plate (16) is provided at the bottom end of the driving box (1).

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