CN216668146U

CN216668146U - Vacuum drying oven with better temperature uniformity

Info

Publication number: CN216668146U
Application number: CN202123107863.3U
Authority: CN
Inventors: 曹应才
Original assignee: Shanghai Ranhua Industrial Co ltd
Current assignee: Shanghai Ranhua Industrial Co ltd
Priority date: 2021-12-13
Filing date: 2021-12-13
Publication date: 2022-06-03
Anticipated expiration: 2031-12-13

Abstract

The utility model discloses a vacuum drying oven with better temperature uniformity, and relates to the technical field of vacuum drying ovens. The utility model provides a better vacuum drying oven of temperature homogeneity, includes outer box, box in outer box inner chamber rear side fixedly connected with, interior box front side runs through outer box front side, and interior box front side is the opening setting, and swing joint has the dodge gate, and interior box top is equipped with vacuum pump and fan, is equipped with the heating cabinet between vacuum pump and the fan. The fan blades are driven to rotate through the motor, so that hot air in a gap between the inner box body and the outer box body flows circularly, the side wall of the inner box body can be heated uniformly, heat is transferred to the material uniformly, the material is dried fully, and the drying effect is improved. The utility model has the characteristics of uniform heating, good drying effect and the like through a series of structures.

Description

Vacuum drying oven with better temperature uniformity

Technical Field

The utility model relates to the technical field of vacuum drying boxes, in particular to a vacuum drying box with better temperature uniformity.

Background

Vacuum drying oven specially designs for dry heat sensitivity, easy decomposition and easy oxidation material, the during operation can make the studio keep certain vacuum, and can fill inert gas to inside, especially some article that the composition is complicated also can carry out rapid draing, adopt intelligent digital temperature regulator to carry out the settlement of temperature, show and control, current vacuum drying oven is when using, its heat is mostly concentrated in one, make being heated of material inhomogeneous, lead to the drying insufficient, and, most there is not fixed establishment in the current vacuum drying oven, make when drying to the material that has the cambered surface, the material rolls easily, influence drying effect.

SUMMERY OF THE UTILITY MODEL

The utility model solves the technical problems of uneven heating, poor drying effect and the like in the prior art, and provides the vacuum drying oven with better temperature uniformity. The vacuum drying oven with better temperature uniformity has the characteristics of uniform heating, good drying effect and the like.

In order to achieve the purpose, the utility model provides the following technical scheme: a vacuum drying box with better temperature uniformity comprises an outer box body, wherein an inner box body is fixedly connected to the rear side of an inner cavity of the outer box body, the front side of the inner box body penetrates through the front side of the outer box body, an opening is formed in the front side of the inner box body, a movable door is movably connected to the front side of the inner box body, a vacuum pump and a fan are arranged at the top of the inner box body, and a heating box is arranged between the vacuum pump and the fan;

the bottom of the inner cavity of the inner box body is fixedly connected with a cover body, the inner cavity of the cover body is provided with a first circular gear, the bottom of the first circular gear is movably connected with the bottom of the inner cavity of the inner box body through a rotating shaft, the left side and the right side of the first circular gear are respectively engaged with two second circular gears which are arranged in a front-back manner, two movable plates are arranged above the cover body, the two movable plates are arranged up and down, threaded holes are respectively formed in the two movable plates near the four corners, a threaded rod is fixedly connected to the top of the inner cavity of the inner box body near the four corners, the top of the cover body is provided with a hole matched with the threaded rod, the bottom ends of the four threaded rods sequentially penetrate through the adjacent threaded holes and the hole and penetrate through the adjacent second circular gears to be movably connected with the bottom of the inner cavity of the inner box body, and the top of the first circular gear is fixedly connected with a first bevel gear, the front side of the first bevel gear is engaged with a second bevel gear, the top of the inner cavity of the cover body is fixedly connected with a fixed plate, the fixed plate is movably connected with a first rotating rod through a bearing, the front side of the cover body is provided with a through hole, the front end of the first rotating rod penetrates through the second bevel gear and the through hole and extends to the front side of the cover body, and a knob is fixedly connected with the first rotating rod;

the top and the bottom of the inner box body are respectively and fixedly connected with a first partition plate and a second partition plate, and the left side and the right side of the first partition plate and the right side of the second partition plate are respectively and fixedly connected with the inner wall of the outer box body;

the vacuum pump, the heating box and the fan are fixedly connected to the top of the first partition plate, a left air outlet pipe of the vacuum pump and a top air inlet pipe of the fan respectively penetrate through the left side and the right side of the outer box body, the bottom end of a right air exhaust pipe of the vacuum pump penetrates through the first partition plate and the top of the inner box body, the bottom of the heating box penetrates through the first partition plate and is provided with an opening, the bottom end of an air outlet pipe of the top of the fan penetrates through the top of the heating box, a plurality of heating pipes are fixedly connected to the inner cavity of the heating box, and the plurality of heating pipes are linearly arranged from top to bottom;

the utility model discloses a novel motor, including first baffle, second baffle, conveyer pipe, bearing swing joint, backup pad and second baffle fixed connection, the second baffle below is equipped with the rotating tube, both ends all have the backup pad through bearing swing joint about the rotating tube, backup pad and second baffle fixed connection, the rotating tube left and right sides all is equipped with the conveyer pipe, two the conveyer pipe is close to the one end of rotating tube and pegs graft at the rotating tube inner chamber, and keeps away from one side of conveyer pipe and run through the second baffle to extend to between interior box and the outer box, outer box inner chamber bottom fixedly connected with motor, motor left side output shaft fixedly connected with third circular gear, a plurality of gear piece of rotating tube outer wall fixedly connected with, gear piece and third circular gear engagement, the rotating tube inner chamber is equipped with the second dwang, both ends all are through connecting plate and rotating tube inner wall fixed connection about the second dwang, a plurality of flabellum of second dwang outside fixedly connected with.

Preferably, two fluting has all been seted up on the fly leaf, the fluting inner chamber is equipped with a plurality of dead lever, a plurality of the dead lever is linear arrangement from a left side to the right side, and both ends respectively with fluting inner chamber front and back both sides fixed connection around.

Preferably, a plurality of fixing rods positioned above are provided with cavities, drying agents are filled in the cavities, and the bottoms of the cavities are provided with a plurality of uniformly distributed air inlets.

Preferably, the plurality of air inlet holes are arranged in a conical manner from inside to outside.

Preferably, a plurality of the heating pipes are arranged in a curved shape.

Compared with the prior art, the utility model has the beneficial effects that:

1. the fan blades are driven to rotate by the motor, so that hot air in a gap between the inner box body and the outer box body circularly flows, the side wall of the inner box body can be uniformly heated, heat is uniformly transferred to the material, the material is fully dried, and the drying effect is improved;

2. fix the material through two upper and lower fly leaves, avoid having the material roll of cambered surface when the drying, influence the drying, do not influence the drying of both sides about the material simultaneously through the dead lever structure, make the drying even.

Drawings

FIG. 1 is a schematic diagram of the mechanism of the present invention;

FIG. 2 is a left side block diagram of the present invention;

FIG. 3 is a top view of the heating chamber of the present invention;

FIG. 4 is a top view of the first circular gear of the present invention;

fig. 5 is an enlarged view of a portion a in fig. 1.

The reference numbers in the figures: 1. an outer case; 2. fixing the rod; 3. an inner box body; 4. a movable plate; 5. a threaded rod; 6. a first separator; 7. a fan; 8. heating a tube; 9. a heating box; 10. a vacuum pump; 11. a second rotating lever; 12. a cover body; 13. a first circular gear; 14. a second circular gear; 15. a delivery pipe; 16. a third circular gear; 17. a motor; 18. a second separator; 19. a first rotating lever; 20. a support plate; 21. a fan blade; 22. rotating the tube; 23. a movable door; 24. a connecting plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a vacuum drying box with better temperature uniformity comprises an outer box body 1, wherein an inner box body 3 is fixedly connected to the rear side of an inner cavity of the outer box body 1, the front side of the inner box body 3 penetrates through the front side of the outer box body 1, the front side of the inner box body 3 is provided with an opening and is movably connected with a movable door 23, a vacuum pump 10 and a fan 7 are arranged at the top of the inner box body 3, and a heating box 9 is arranged between the vacuum pump 10 and the fan 7;

the bottom of the inner cavity of the inner box body 3 is fixedly connected with a cover body 12, the inner cavity of the cover body 12 is provided with a first circular gear 13, the bottom of the first circular gear 13 is movably connected with the bottom of the inner cavity of the inner box body 3 through a rotating shaft, the left side and the right side of the first circular gear 13 are respectively engaged with two second circular gears 14, the two second circular gears 14 are arranged in front and at the back, two movable plates 4 are arranged above and below the cover body 12, the two movable plates 4 are respectively provided with a threaded hole near the four corners, the top of the inner cavity of the inner box body 3 is fixedly connected with a threaded rod 5 near the four corners, the top of the cover body 12 is provided with a hole matched with the threaded rod 5, the bottom ends of the four threaded rods 5 sequentially penetrate through the adjacent threaded holes and the holes and penetrate through the adjacent second circular gears 14 to be movably connected with the bottom of the inner cavity of the inner box body 3, the top of the first circular gear 13 is fixedly connected with a first conical gear, a second bevel gear is meshed with the front side of the first bevel gear, a fixing plate is fixedly connected to the top of an inner cavity of the cover body 12, a first rotating rod 19 is movably connected to the fixing plate through a bearing, a through hole is formed in the front side of the cover body 12, the front end of the first rotating rod 19 penetrates through the second bevel gear and the through hole, extends to the front side of the cover body 12, and is fixedly connected with a knob;

the two movable plates 4 are both provided with grooves, the inner cavity of each groove is provided with a plurality of fixing rods 2, the fixing rods 2 are linearly arranged from left to right, the front end and the rear end of each fixing rod are fixedly connected with the front side and the rear side of the inner cavity of each groove respectively, the upper side and the lower side of the material are prevented from being heated, the fixing rods 2 above the fixing rods are both provided with cavities, drying agents are filled in the cavities, the bottoms of the cavities are provided with a plurality of uniformly distributed air inlets, steam formed by moisture in the material is absorbed, the air inlets are arranged in a conical shape from inside to outside, the steam is conveniently absorbed, and the drying agents are prevented from falling off;

the top and the bottom of the inner box body 3 are respectively fixedly connected with a first clapboard 6 and a second clapboard 18, and the left and right sides of the first clapboard 6 and the second clapboard 18 are fixedly connected with the inner wall of the outer box body 1;

the vacuum pump 10, the heating box 9 and the fan 7 are fixedly connected to the top of the first partition plate 6, an air outlet pipe on the left side of the vacuum pump 10 and an air inlet pipe on the top of the fan 7 penetrate through the left side and the right side of the outer box body 1 respectively, the bottom end of an air exhaust pipe on the right side of the vacuum pump 10 penetrates through the top of the first partition plate 6 and the top of the inner box body 3, the bottom of the heating box 9 penetrates through the first partition plate 6 and is arranged in an opening mode, the bottom end of an air outlet pipe on the top of the fan 7 penetrates through the top of the heating box 9, a plurality of heating pipes 8 are fixedly connected to an inner cavity of the heating box 9, the plurality of heating pipes 8 are arranged in a linear mode from top to bottom, and the plurality of heating pipes 8 are arranged in a curved mode, the contact area between the air blown in by the fan 7 and the heating pipes 8 is increased, and the air can be heated fully;

a rotating pipe 22 is arranged below the second clapboard 18, the left and right ends of the rotating pipe 22 are movably connected with a supporting plate 20 through a bearing, the supporting plate 20 is fixedly connected with the second clapboard 18, the left and right sides of the rotating pipe 22 are respectively provided with a conveying pipe 15, one end of each conveying pipe 15 close to the rotating pipe 22 is inserted in the inner cavity of the rotating pipe 22, one side far away from the conveying pipe 15 penetrates through the second clapboard 18, and extend to between inner box 3 and the outer box 1, outer box 1 inner chamber bottom fixedly connected with motor 17, motor 17 left side output shaft fixedly connected with third circular gear 16, a plurality of tooth piece of rotating-tube 22 outer wall fixedly connected with, the tooth piece meshes with third circular gear 16, rotating-tube 22 inner chamber is equipped with second dwang 11, both ends all are through connecting

plate

24 and 22 inner wall fixed connection of rotating-tube about second dwang 11, a plurality of flabellum 21 of second dwang 11 outside fixedly connected with.

The working principle is as follows: when the drying device is used, the knob is rotated to rotate the threaded rod 5, the two movable plates 4 are separated up and down, articles to be dried are placed on the fixed rod 2 in the movable plate 4 positioned below, the knob is rotated reversely to enable the two movable plates 4 to be close to each other to clamp the articles, after the movable door 23 is closed, the vacuum pump 10, the fan 7, the heating pipe 8 and the motor 17 are started through the external power supply, the vacuum pump 10 pumps out air in the inner box body 3 to form vacuum, the fan 7 blows air into a gap between the inner box body 3 and the outer box body 1 and heats the incoming air through the heating pipe 8, after the hot air enters the gap, heat is transferred to the inner cavity of the inner box body 3 through the inner box body 3 to dry the articles, meanwhile, the motor 17 drives the rotating pipe 22 to rotate and the fan blades 21 to rotate through the third circular gear 16 to enable the hot air in the gap to flow, and accordingly the heat of the hot air is uniformly transferred to the inner box body 3, avoid the heat to concentrate on hot-blast exit, cause article to be heated inhomogeneous phenomenon, when dry, the dead lever 2 structure of upper and lower both sides makes the upper and lower both sides of article can be fine be heated, further makes article be heated evenly, has improved drying effect.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a better vacuum drying oven of temperature homogeneity, includes outer box (1), its characterized in that: the rear side of the inner cavity of the outer box body (1) is fixedly connected with an inner box body (3), the front side of the inner box body (3) penetrates through the front side of the outer box body (1), the front side of the inner box body (3) is provided with an opening and is movably connected with a movable door (23), the top of the inner box body (3) is provided with a vacuum pump (10) and a fan (7), and a heating box (9) is arranged between the vacuum pump (10) and the fan (7);

the bottom of the inner cavity of the inner box body (3) is fixedly connected with a cover body (12), the inner cavity of the cover body (12) is provided with a first circular gear (13), the bottom of the first circular gear (13) is movably connected with the bottom of the inner cavity of the inner box body (3) through a rotating shaft, the left side and the right side of the first circular gear (13) are respectively meshed with two second circular gears (14), the two second circular gears (14) are arranged in a front-back manner, two movable plates (4) are arranged above the cover body (12), the two movable plates (4) are arranged up and down, threaded holes are formed in the two movable plates (4) close to the four corners, the top of the inner cavity of the inner box body (3) is fixedly connected with threaded rods (5) close to the four corners, the top of the cover body (12) is provided with holes matched with the threaded rods (5), and the bottoms of the four threaded rods (5) sequentially penetrate through adjacent threaded holes and holes, the front end of the first rotating rod (19) penetrates through the second bevel gear and the through hole, extends to the front side of the cover body (12), and is fixedly connected with a knob;

the top and the bottom of the inner box body (3) are respectively and fixedly connected with a first partition plate (6) and a second partition plate (18), and the left side and the right side of the first partition plate (6) and the second partition plate (18) are fixedly connected with the inner wall of the outer box body (1);

the vacuum pump (10), the heating box (9) and the fan (7) are fixedly connected to the top of the first partition plate (6), the air outlet pipe on the left side of the vacuum pump (10) and the air inlet pipe on the top of the fan (7) respectively penetrate through the left side and the right side of the outer box body (1), the bottom end of the air outlet pipe on the right side of the vacuum pump (10) penetrates through the top of the first partition plate (6) and the top of the inner box body (3), the bottom of the heating box (9) penetrates through the first partition plate (6) and is provided with an opening, the bottom end of the air outlet pipe on the top of the fan (7) penetrates through the top of the heating box (9), the inner cavity of the heating box (9) is fixedly connected with a plurality of heating pipes (8), and the plurality of heating pipes (8) are linearly arranged from top to bottom;

a rotating pipe (22) is arranged below the second partition plate (18), the left end and the right end of the rotating pipe (22) are movably connected with a support plate (20) through bearings, the support plate (20) is fixedly connected with the second partition plate (18), the left side and the right side of the rotating pipe (22) are respectively provided with a conveying pipe (15), one end of each conveying pipe (15) close to the rotating pipe (22) is inserted into the inner cavity of the rotating pipe (22), one side far away from the conveying pipe (15) penetrates through the second partition plate (18) and extends to a position between the inner box body (3) and the outer box body (1), the bottom of the inner cavity of the outer box body (1) is fixedly connected with a motor (17), an output shaft at the left side of the motor (17) is fixedly connected with a third circular gear (16), the outer wall of the rotating pipe (22) is fixedly connected with a plurality of tooth blocks, the tooth blocks are meshed with the third circular gear (16), the inner cavity of the rotating pipe (22) is provided with a second rotating rod (11), both ends all pass through connecting plate (24) and rotating tube (22) inner wall fixed connection about second dwang (11), a plurality of flabellum (21) of second dwang (11) outside fixedly connected with.

2. The vacuum drying oven with better temperature uniformity as claimed in claim 1, wherein: the slotting is arranged on the movable plate (4), the slotting inner cavity is provided with a plurality of fixing rods (2) which are linearly arranged from left to right, and the front end and the rear end of each fixing rod are fixedly connected with the front side and the rear side of the slotting inner cavity respectively.

3. The vacuum drying oven with better temperature uniformity as claimed in claim 2, characterized in that: the fixing rods (2) are arranged on the upper portion of the base, cavities are formed in the fixing rods (2), drying agents are filled in the cavities, and a plurality of air inlets which are evenly distributed are formed in the bottoms of the cavities.

4. The vacuum drying oven with better temperature uniformity as claimed in claim 3, characterized in that: the plurality of air inlet holes are arranged in a conical manner from inside to outside.

5. The vacuum drying oven with better temperature uniformity as claimed in claim 1, wherein: the heating pipes (8) are all arranged in a curved shape.