Automatic vacuum drying device

Abstract

An automatic vacuum drying device comprises a drying oven, a heating device used to heat the drying oven, a vacuum extraction device used to evacuate the drying oven, a nitrogen input device used to input nitrogen into the drying oven, and a transporting device located inside the drying oven and used to transport materials, two first openings are located at two opposite sides of the drying oven, an automatic sealing door is mounted on at least one of the first openings, the automatic sealing door includes a first door plank and a second door plank parallel to the first door plank, an elevator structure is located between the first door plank and the second door plank, the elevator structure is used to lift the first door plank and the second door plank. The automatic vacuum drying devices can form an automatic vacuum drying production line conveniently, and the automatic vacuum drying production line has high degree of automation, and high processing efficiency, such that it is possible to drastically improve the vacuum drying efficiency.

Claims

1. An automatic vacuum drying device, comprising a drying oven (90), a heating device (80) used to heat the drying oven (90), a vacuum extraction device (70) used to evacuate the drying oven (90), a nitrogen input device used to input nitrogen into the drying oven (90), and a transporting device (60) located inside the drying oven (90) and used to transport materials, two first openings (91) being located at two opposite sides of the drying oven (90), an automatic sealing door (10) being mounted on at least one of the first openings (91), the automatic sealing door (10) including a first door plank (11) and a second door plank (21) parallel to the first door plank (11), an elevator structure (30) being located between the first door plank (11) and the second door plank (21), the elevator structure 30 being used to lift the first door plank (11) and the second door plank (21), at least two articulation elements (41) being located between the first door plank (11) and the elevator structure (30), one end of each articulation element (41) being connected with the first door plank (11), an opposite end of each articulation element (41) being connected with the elevator structure (30), at least two articulation elements (41) being located between the second door plank (21) and the elevator structure (30), one end of each articulation element (41) being connected with the second door plank (21), an opposite end of each articulation element (41) being connected with the elevator structure (30), a first roller (12) being located at a bottom of the first door plank (11), a first slant surface (13) being located below the first roller (12) and a left end of the first slant surface (13) is higher than a right end of the first slant surface (13), a second roller (22) being located at a bottom of the second door plank (21), a second slant surface (23) being located below the second roller (22) and a left end of the second slant surface (23) is lower than a right end of the second slant surface (23).

2. The automatic vacuum drying device as set forth in claim 1, wherein a side surface of the first opening (91) having the automatic sealing door (10) has a cavity (50) used to receive the first door plank (11), the second door plank (21) and the elevator structure (30), two second openings (51) are formed on two opposite sides of the cavity (50), one second opening (51) closing to the drying oven (90) is connected with one first opening (91) formed on the drying oven and closing to the cavity (50).

3. The automatic vacuum drying device as set forth in claim 2, wherein when the elevator structure (30) drives the first door plank (11) and the second door plank (21) to move down to a limit position, the first door plank (11) and the second door plank (21) resist on the two second openings (51) from an inner side of the cavity (50) respectively.

4. The automatic vacuum drying device as set forth in claim 3, wherein the elevator structure (30) includes a rack (31) and a first gear (32) corresponding to the rack (31), the first door plank (11) and the second door plank (21) both be connected with the rack (31) through the articulation elements (41), the first gear (32) is driven by a motor.

5. The automatic vacuum drying device as set forth in claim 4, wherein the automatic vacuum drying device further includes a guided rail (43) which is parallel to a rack (31), the rack (31) has a plurality of guided rollers 44 corresponding to the guided rail (43).

6. The automatic vacuum drying device as set forth in claim 5, wherein a left side of the first door plank (11) has a sealant tape (42), a right side of the second door plank (21) also has another sealant tape (42).

7. The automatic vacuum drying device as set forth in claim 1, wherein the heating device (80) includes a plurality of heating bodies (81) located at an outside of the drying oven (90), each heating body (81) includes an aluminum main body (811) and a heating element (812) located inside the aluminum main body (811).

8. The automatic vacuum drying device as set forth in claim 7, wherein the aluminum main body (811) includes a plate (813) and a cover (814) attached with the plate (813), a groove (815) is located on the plate (813), the heating element (812) is located in the groove (815).

9. The automatic vacuum drying device as set forth in claim 1, wherein the transporting device (60) includes a plurality of second gears (61) located in the drying oven (90), a geometry axis of each second gear (61) is parallel to a bottom surface of the drying oven (90) and a plane of first openings (91) simultaneously, the second gears (61) are driven by a motor.

10. The automatic vacuum drying device as set forth in claim 1, wherein the automatic vacuum drying device further includes a plurality of guided ways (62) located in the drying oven (90), the guided ways (62) are perpendicular to a plane of the first openings (91).

Description

BRIEF DESCRIPTION OF DRAWINGS

(1) FIG. 1 is an isometric view of an automatic vacuum drying device.

(2) FIG. 2 is an enlarge view of A shown in FIG. 1.

(3) FIG. 3 is an isometric view of a bottom of a drying case.

(4) FIG. 4 is an isometric view of a heating body.

DESCRIPTION OF EMBODIMENTS

(5) Referring to FIGS. 1-3, an automatic vacuum drying device, includes a drying oven 90, a heating device 80 used to heat the drying oven 90, a vacuum extraction device 70 used to evacuate the drying oven 90, a nitrogen input device used to input nitrogen into the drying oven 90, a transporting device 60 located inside the drying oven 90 and used to transport materials. And the heating device 80 can be a heating plate which includes an aluminium plate and at least one electric heating pipe located in the aluminium plate, then the heating plate can cover an outside of the drying oven 90; the heating device 80 can also be another heating plate which includes another aluminium plate and at least one far infrared heating pipe located in the another aluminium plate, the the another heating plate can cover the outside of the drying oven 90; at the same time, the heating device 80 can also be a heating plate which includes an aluminium plate and at least one high temperature electric heating wire located in the aluminium plate, then the heating plate having the high temperature electric heating wire can cover the outside of the drying oven 90. At least one exemplary embodiment, the heating device 80 is the heating plate which includes the aluminium plate and the electric heating pipe located in the aluminium plate, then the heating plate covers the outside of the drying oven 90. The vacuum extraction device 70 can just be a vacuum pump, or the vacuum extraction device 70 can be composed of the vacuum pump, a filter and/or a roots pump, and the filter can be a dry ice filter or a oil and gas filter. In at least one exemplary embodiment, the vacuum extraction device 70 can be composed of the vacuum pump and the oil and gas filter. The transporting device 60 can be a conveyer belt, a conveyer roller, or a material car having rack located at a bottom of the material car, the material can be driven by gear located in the drying oven 90. In at least one exemplary embodiment, the transporting device 60 can be the material car having rack located at the bottom of the material car, the material can be driven by the gear located in the drying oven 90, the transporting device 60 includes a plurality of second gears 61, a geometry axis of each second gear 61 is parallel to a bottom surface of the drying oven 90 and a plane of first openings 91 simultaneously, the second gears 61 are driven by a motor. The automatic vacuum drying device further includes a plurality of guided ways 62 located in the drying oven 90, the guided ways 62 are perpendicular to the plane of the first openings 91. Two first openings 91 are located at two opposite sides of the drying oven 90, an automatic sealing door 10 is mounted on at least one of the first openings 91, the automatic sealing door 10 includes a first door plank 11 and a second door plank 21 parallel to the first door plank 11, an elevator structure 30 is located between the first door plank 11 and the second door plank 21, the elevator structure 30 is used to lift the first door plank 11 and the second door plank 21, at least two articulation elements 41 are located between the first door plank 11 and the elevator structure 30, one end of each articulation element 41 is connected with the first door plank 11, an opposite end of each articulation element 41 is connected with the elevator structure 30, at least two another articulation elements 41 are also located between the second door plank 21 and the elevator structure 30, one end of each another articulation element 41 is connected with the second door plank 21, an opposite end of each another articulation element 41 is connected with the elevator structure 30, a first roller 12 is located at a bottom of the first door plank 11, a first slant surface 13 with left higher than right is located bellow the first roller 12, a second roller 22 is located at a bottom of the second door plank 21, a second slant surface 23 with left higher than right is located bellow the second roller 22. A side surface of the automatic vacuum drying device having the first opening 91 further has a cavity 50 used to receive the first door plank 11, the second door plank 21 and the elevator structure 30, two second openings 51 are formed on two opposite sides of the cavity 50, one second opening 51 closing to the drying oven 90 is connected with one first opening 91 formed on the drying oven 90 and closing to the cavity 50, the connecting way not only includes the second opening 51 is connected with the first opening 91 through a channel, but also includes the second opening 51 overlaps with the first opening 91, that is, the second opening 51 is the first opening 91 simultaneously. When the elevator structure 30 drives the first door plank 11 and the second door plank 21 to move down to a limit position, the first door plank 11 and the second door plank 21 resist the two second openings 51 from an inner side of the cavity 50 respectively. The elevator structure 30 includes the rack 31 and a first gear 32 corresponding to the rack 31, the first door plank 11 and the second door plank 21 are connected with the rack 31 through the articulation elements 41, the first gear 32 is driven by the motor. A guided rail 43 is parallel to the rack 31, the rack 31 further has a plurality of guided rollers 44 corresponding to the guided rail 43. A left side of the first door plank 11 has a sealant tape 42, a right side of the second door plank 21 also has another sealant tape 42.

(6) Referring to FIGS. 1 and 4 the heating device 80 includes a plurality of heating bodies 81, each heating body 81 includes an aluminum main body 811 and a heating element 812 located inside the aluminum main body 811. The aluminum main body 811 includes a plate 813 and a cover 814 attached with the plate 813, a groove 815 is located on the plate 813, the heating element 812 is located in the groove 815.

(7) It must be pointed out that, example embodiments have been described hereinabove regarding the automatic vacuum drying device, however the invention is not limited to the above example embodiments. Various modifications to and departures from the disclosed example embodiments will occur to those having ordinary skill in the art. The subject matter that is intended to be within the spirit of this disclosure is set forth in the following claims.