Vacuum dryer

Abstract

The utility model particularly relates to a vacuum drying machine which comprises a box body, a plurality of partition plates are arranged in the box body, and the partition plates are distributed up and down. The inner cavity of the box body is divided into a plurality of drying areas by the partition plates; a cabinet door capable of being opened and closed is arranged on the box body on the front side surface of each drying area; a heating pipe is arranged at the top of each drying area; each drying area is provided with a vacuumizing pipe; according to the drying device, materials can be dried, meanwhile, the sliding plates capable of moving outwards are arranged so that the placing plates can be conveniently taken and placed, meanwhile, the drying areas which are not communicated with one another are arranged so that the drying time and the like of different materials can be respectively controlled, and the idler wheels are arranged so that the placing plates can be conveniently drawn and pulled.

Description

Technical Field

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

[0002] A dryer is a mechanical device that uses heat energy to reduce the moisture content of materials. It is used to dry objects. The dryer vaporizes the moisture in the material (generally water or other volatile liquid components) by heating to obtain solid materials with a specified moisture content. The purpose of drying is to meet the needs of material use or further processing.

[0003] For example, an experimental vacuum pulse dryer with patent application number 2022235939231 discloses "including a drying box, a vacuum pump and a gas tank, a plurality of heating plates are arranged in the drying box, the vacuum pump is connected to the drying box through a connecting pipe, the drying box and the gas tank are connected through an air supply pipe, the air supply pipe is used to blow protective gas into the drying box, a drying plate for placing materials is rotatably arranged on the heating plate, a driving wheel for driving the drying plate to rotate is arranged on the inner wall of the drying box, and the driving wheel abuts against the drying plate. The present application has the effect of improving the drying efficiency of materials." Although the above structure can achieve the drying of materials, sometimes different materials need to be dried for different times, etc. The use of the above equipment requires the materials to be dried one by one, which takes a lot of time. At the same time, when placing materials, the above equipment needs to place the baking plate in a fixed position inside the box by hand. If there is residual heat in the box, it may cause the risk of burns to the human body.

[0004] In order to solve the above problems, we provide a vacuum dryer that can dry different materials at the same time and conveniently place the materials to be dried. Utility Model Content

[0005] The utility model aims to overcome the deficiencies in the prior art and provide a vacuum dryer.

[0006] The purpose of the utility model is achieved as follows: a vacuum dryer comprises a box body, a plurality of partitions are arranged in the box body, and the plurality of partitions are distributed up and down; the partitions divide the inner cavity of the box body into a plurality of drying areas; an openable and closable cabinet door is arranged on the front side of each drying area; a heating pipe is arranged on the top of each drying area; and a vacuum pipe is arranged in each drying area.

[0007] Furthermore, a solenoid valve is provided on the vacuum tube, a vacuum pump is provided on the rear side of the box body, the vacuum pump is connected to a pipeline, and the rear end of each vacuum tube is connected to the pipeline.

[0008] Furthermore, a placement plate is arranged above the partition.

[0009] Furthermore, a plurality of strip grooves are provided on the upper surface of the partition, a plurality of rollers are evenly arranged in the strip grooves, and the outer side surfaces of the rollers protrude from the upper surface of the partition.

[0010] Furthermore, a plurality of slide grooves are provided on the partition plate, and a slide plate is provided in the slide groove so as to be movable forward and backward, and the upper surface of the slide plate protrudes from the upper part of the outer side surface of the roller.

[0011] Furthermore, a spring is arranged between the rear side surface of the slide groove and the rear side surface of the slide plate, and two ends of the spring are respectively connected to the rear side surface of the slide groove and the rear side surface of the slide plate.

[0012] When the utility model is used, the material to be dried is placed on the placement board, and then the placement board is placed in the drying area for drying. In the process of placing the placement board, the slide plate is extended out of the box due to the elastic force of the spring, so that the placement board is conveniently placed on the slide plate. The slide plate is located in the moving groove of the placement board. At the same time, the setting of the moving groove can prevent the placement board from moving left and right during the process of pushing in the box, causing inconvenience when placing the placement board. The slide plate supports the placement board on the outside of the box; the placement board is pushed inward, and the front side of the moving groove of the placement board squeezes the slide plate to drive the slide plate to move into the box. Until the placement board enters the inside of the box. While pushing the placement board, the roller fits with the bottom of the placement board to facilitate pushing and pulling the placement board. The cabinet door is closed to achieve sealing of the space in the drying area; the vacuum pump is controlled by the controller to evacuate the heating area, at this time, the solenoid valve is opened, and the corresponding solenoid valve is closed after the vacuuming is completed, and the vacuum pump is closed at the same time, and the heating tube is controlled by the controller to heat its drying area; vacuum drying of the material is achieved. When drying is completed, the controller controls the solenoid valve 2 to open, and the external gas enters the drying area through the air inlet pipe to relieve the negative pressure in the drying area. Then open the cabinet door to take out the placement plate. When taking it out, the slide plate is driven outward by the elastic force of the spring, which is convenient for subsequent removal of the placement plate. There is no need to reach deep into the box to take out the placement plate, avoiding the risk of scalding the hands due to residual heat. By dividing each drying area, the drying time of different materials can be controlled in different drying areas.

[0013] Beneficial effects: The present application can realize the drying of materials, and at the same time, a sliding plate that can be moved outward is provided to facilitate the placement and removal of the placement plate. At the same time, mutually non-interconnected drying areas are provided to realize separate control of the drying time of different materials, and rollers are provided to facilitate the pulling and pulling of the placement plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model.

[0015] Figure 2It is a schematic diagram of the internal structure of the utility model.

[0016] Figure 3 It is a schematic diagram of the rear structure of the utility model.

[0017] Figure 4 It is a schematic diagram of the local structure of the utility model.

[0018] Figure 5 It is a partial cross-sectional view of the box body of the utility model.

[0019] Figure 6 It is a partial structural schematic diagram of the utility model.

[0020] Figure 7 It is a schematic diagram of the structure of the skateboard and the placement board of the utility model.

[0021] Description of reference numerals:

[0022] 1. Box body, 2. Cabinet door, 3. Placement board, 4. Partition, 5. Solenoid valve 1, 6. Pipe, 7. Solenoid valve 2, 8. Exhaust pipe, 9. Vacuum pump, 10. Spring, 11. Roller, 12. Slide plate, 13. Heating tube. DETAILED DESCRIPTION

[0023] Embodiment 1, as Figure 1 As shown in FIG. 7 , the purpose of the utility model is achieved as follows: a vacuum dryer comprises a box body 1, wherein a plurality of partitions 4 are arranged in the box body 1, and the plurality of partitions 4 are distributed up and down; the partitions 4 divide the inner cavity of the box body 1 into a plurality of drying areas; an openable cabinet door 2 is arranged on the front side of each drying area; a heating tube 13 is arranged on the top of each drying area; and a vacuum tube is arranged in each drying area.

[0024] A solenoid valve 5 is provided on the vacuum tube, a vacuum pump 9 is provided on the rear side of the box body 1, the vacuum pump 9 is connected to a pipeline 6, and the rear end of each vacuum tube is connected to the pipeline 6.

[0025] A placing plate 3 is arranged above the partition 4. A plurality of strip grooves are provided on the upper surface of the partition 4, and a plurality of rollers 11 are evenly arranged in the strip grooves, and the outer side of the rollers 11 protrudes from the upper surface of the partition 4. A plurality of slide grooves are provided on the partition 4, and a slide plate 12 is arranged in the slide groove to be movable forward and backward, and the upper surface of the slide plate protrudes from the upper part of the outer side of the roller. A spring 10 is arranged between the rear side of the slide groove and the rear side of the slide plate 12, and the two ends of the spring 10 are respectively connected to the rear side of the slide groove and the rear side of the slide plate 12.

[0026] The lower surface of the placing plate 3 is provided with a movable groove equal to the number of the chute, and the movable groove is located above the chute. The rear side of each drying area is connected to an exhaust pipe 8, and the exhaust pipe 8 is provided with a solenoid valve 7.

[0027] When the utility model is used, the material to be dried is placed on the placement plate 3, and then the placement plate 3 is placed in the drying area for drying. During the placement of the placement plate 3, the slide plate 12 is partially extended out of the box body 1 by the elastic force of the spring 10, so that the placement plate 3 is conveniently placed on the slide plate 12. The slide plate 12 is located in the moving groove of the placement plate 3. At the same time, the setting of the moving groove can prevent the placement plate 3 from moving left and right during the pushing process in the box body 1, causing inconvenience when placing the placement plate 3. The slide plate 12 supports the placement plate 3 on the outside of the box body 1; the placement plate 3 is pushed inward, and the front side of the moving groove of the placement plate 3 squeezes the slide plate 12 to drive the slide plate 12 to move into the box body 1. Until the placement plate 3 enters the interior of the box body 1. While pushing the placement plate 3, the roller 11 fits with the bottom of the placement plate 3 to facilitate pushing and pulling of the placement plate 3. Close the cabinet door 2 to seal the space in the drying area; control the vacuum pump 9 through the controller to evacuate the heating area, and then the solenoid valve 15 is opened. After the evacuation is completed, close the corresponding solenoid valve 15 and the vacuum pump 9 at the same time, and control the heating tube 13 through the controller to heat the drying area; realize vacuum drying of the material. When the drying is completed, the solenoid valve 27 is controlled by the controller to open, and the external gas enters the drying area through the air inlet pipe to relieve the negative pressure in the drying area. Open the cabinet door 2 again to take out the placement plate 3. When taking it out, the slide plate 12 is driven by the elastic force of the spring 10 to move the placement plate 3 outward, so that the placement plate 3 can be taken out later. Each drying area is divided and set, and the drying time of different materials in different drying areas can be controlled.

[0028] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0029] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various changes and variations. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A vacuum dryer, comprising a box, characterized in that: A plurality of partitions are arranged in the box body, and the plurality of partitions are distributed up and down; the partitions divide the inner cavity of the box body into a plurality of drying areas; an openable and closable cabinet door is arranged on the front side of each drying area; a heating pipe is arranged on the top of each drying area; and a vacuum pipe is arranged in each drying area.

2. A vacuum dryer according to claim 1, characterized in that: The vacuum tube is provided with a solenoid valve 1, the rear side of the box body is provided with a vacuum pump, the vacuum pump is connected with a pipeline, and the rear end of each vacuum tube is connected with the pipeline.

3. A vacuum dryer according to claim 1, characterized in that: A placement plate is arranged above the partition.

4. A vacuum dryer according to claim 3, characterized in that: The upper surface of the partition is provided with a plurality of strip grooves, a plurality of rollers are evenly arranged in the strip grooves, and the outer side surfaces of the rollers protrude from the upper surface of the partition.

5. A vacuum dryer according to claim 4, characterized in that: The partition is provided with a plurality of slide grooves, in which slide plates are arranged to move forward and backward, and the upper surface of the slide plates protrudes from the upper part of the outer side surface of the roller.

6. A vacuum dryer according to claim 5, characterized in that: A spring is arranged between the rear side surface of the slide groove and the rear side surface of the slide plate, and two ends of the spring are respectively connected to the rear side surface of the slide groove and the rear side surface of the slide plate.

7. A vacuum dryer according to claim 6, characterized in that: The lower surface of the placement plate is provided with movable grooves having the same number as the sliding grooves, and the movable grooves are located above the sliding grooves.

8. A vacuum dryer according to claim 1, characterized in that: The rear side of each drying area is connected with an exhaust pipe, and a second solenoid valve is arranged on the exhaust pipe.

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