CN214009717U

CN214009717U - Vacuum drying oven

Info

Publication number: CN214009717U
Application number: CN202023205685.3U
Authority: CN
Inventors: 秦卓韬; 陈晨; 郁美娟
Original assignee: Shanghai Pudong Mingyan Biotechnology Co ltd
Current assignee: Shanghai Pudong Mingyan Biotechnology Co ltd
Priority date: 2020-12-26
Filing date: 2020-12-26
Publication date: 2021-08-20
Anticipated expiration: 2030-12-26

Abstract

The utility model relates to a vacuum drying oven relates to the field in vacuum drying oven's field, and it includes box and chamber door, and the chamber door articulates on the box, is connected with the vacuum pump on the box, is provided with the heating chamber in the box, is provided with main exhaust tube on the box, and the fixed intercommunication of main exhaust tube one end and vacuum pump, the intercommunication can be dismantled to the other end have indulges the exhaust tube, indulges the exhaust tube and sets up to a plurality ofly, and a plurality of exhaust tubes of indulging are seted up a plurality of aspirating holes of indulging on the exhaust tube at box inner wall department equidistant distribution. This application has all indulges the aspirating hole and all can carry out the evacuation simultaneously from the different spaces of box with horizontal aspirating hole, then is located the gas in the binding off container in the box and is easily by the effect of taking out.

Description

Vacuum drying oven

Technical Field

The application relates to the field of vacuum drying ovens, in particular to a vacuum drying oven.

Background

The vacuum drying box is specially designed for drying heat-sensitive, easily decomposed and easily oxidized substances, can keep a certain vacuum degree in a working chamber during working, and can fill inert gas into the working chamber, particularly quickly dry some objects with complex components.

The prior Chinese patent with the reference publication number of CN205156521U discloses a vacuum drying oven, which comprises an oven body and a sealing door connected with a rotating shaft of the oven body, wherein a heating cavity is arranged in the oven body, a plurality of protruding strips are uniformly arranged inwards on the inner surface of the heating cavity, and a heating wire is arranged in each protruding strip; and an air pumping port is further formed in one side of the box body and communicated to the heating cavity, and the air pumping port is used for being connected with a vacuum pump.

In view of the above-mentioned related art, the inventors have considered that when a bottle material having a small diameter is dried with a fixed position of the air extraction opening, the air in the bottle is difficult to be extracted, and the effect of vacuum extraction is poor.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that gas is difficult to be taken out in a bottle when bottled materials with small caliber are dried, the application provides a vacuum drying box.

The application provides a vacuum drying oven adopts following technical scheme:

the utility model provides a vacuum drying oven, includes box and chamber door, and the chamber door articulates on the box, is connected with the vacuum pump on the box, is provided with the heating chamber in the box, is provided with main exhaust tube on the box, and the fixed intercommunication of main exhaust tube one end and vacuum pump, the intercommunication can be dismantled to the other end have indulges the exhaust tube, indulges the exhaust tube and sets up to a plurality ofly, and a plurality of exhaust tubes of indulging are seted up a plurality of aspirating holes of indulging at box inner wall department equidistant distribution on indulging the exhaust tube.

Through adopting above-mentioned technical scheme, a plurality of settings of indulging the exhaust tube for evenly arrange all can carry out the evacuation in the indulging the exhaust tube of different positions in the box, and seted up a plurality of aspirating holes of indulging on the different exhaust tube of indulging, then nearly any space in the box all can with certain indulge the aspirating hole direct face, then when main exhaust tube bleeds, all indulge the aspirating hole and all can carry out the evacuation simultaneously from the different spaces of box, then the gas that is arranged in the binding off container in the box is easily taken out, and the container atress is even, can not topple over because certain direction atress is great.

Optionally, the main exhaust pipe is detachably connected with a plurality of transverse exhaust pipes, the plurality of transverse exhaust pipes are distributed on the inner wall of the box body at equal intervals and are distributed in a staggered manner with the longitudinal exhaust pipes, and a plurality of transverse exhaust holes are formed in the transverse exhaust pipes.

Through adopting above-mentioned technical scheme, the setting of a plurality of horizontal exhaust tubes for the quantity of horizontal exhaust holes increases in the box, and a plurality of horizontal exhaust holes assist a plurality of indulging the different angles and the space evacuation simultaneously in the box of exhaust hole pair, then the gas that is arranged in the binding off container in the box is taken out more easily.

Optionally, the horizontal exhaust pipe and the vertical exhaust pipe are both provided with a filter assembly, the filter assembly comprises a filter screen, and the filter screen covers the vertical exhaust hole and the horizontal exhaust hole.

Through adopting above-mentioned technical scheme, the setting of filter screen for horizontal exhaust tube and indulge the exhaust tube when evacuation, if the box in remain dry powdered material, then powdered material can not adsorbed to horizontal exhaust tube and indulge the exhaust tube in, block up the pipeline, and when touchhing the filter screen, will be blockked by the filter screen, finally get into horizontal exhaust tube and indulge the gas in the exhaust tube purer, protected horizontal exhaust tube and indulge the exhaust tube.

Optionally, the filter assembly further comprises a filter pipe, the filter pipe is inserted into the longitudinal exhaust pipe and the transverse exhaust pipe and is tightly abutted to the longitudinal exhaust pipe and the transverse exhaust pipe, filter holes are formed in the filter pipe and correspond to the longitudinal exhaust hole and the transverse exhaust hole one to one, and the filter screen covers the filter holes and is bonded to the filter pipe.

Through adopting above-mentioned technical scheme, the setting of filter tube for after the box used for a long time, the staff can extract the filter tube, thereby also extract the filter screen jointly, clear up filter tube, filter screen, horizontal exhaust tube and indulge the exhaust tube.

Optionally, the main exhaust pipe is communicated with an exhaust cavity, the exhaust cavity is located in the box body, and the plurality of longitudinal exhaust pipes and the plurality of transverse exhaust pipes are communicated with the exhaust cavity.

By adopting the technical scheme, the arrangement of the air pumping cavity can ensure that gas in the box body can be pumped out from the transverse air pumping holes and the longitudinal air pumping holes through the air pumping cavity when the main air pumping pipe pumps air, so that the gas in the box body can be pumped out simultaneously through each transverse air pumping hole and each longitudinal air pumping hole, and the condition that the vacuum suction force of the main air pumping pipe is different between different transverse air pumping holes and different longitudinal air pumping holes is avoided; on the other hand, the air path is less when the air enters the main air exhaust pipe after entering the transverse air exhaust holes and the longitudinal air exhaust holes, and the vacuumizing speed is high.

Optionally, the plurality of longitudinal exhaust pipes and the exhaust cavity are in threaded connection; the plurality of transverse exhaust pipes and the exhaust cavity are in threaded connection.

By adopting the technical scheme and the threaded connection mode, the transverse exhaust pipe and the longitudinal exhaust pipe in the box body can be detached and installed, and the transverse exhaust pipe and the longitudinal exhaust pipe are convenient to clean.

Optionally, a sealing gasket is arranged at a communication position of the longitudinal exhaust pipe and the exhaust cavity, and the sealing gasket is fixedly connected with the longitudinal exhaust pipe.

By adopting the technical scheme and the arrangement of the sealing gasket, when the transverse exhaust pipe and the longitudinal exhaust pipe are connected with the exhaust cavity, the connection part is tightly connected, and the air leakage phenomenon can not occur.

Optionally, the heating cavity and the air pumping cavity are the same cavity, and a plurality of heating wires are uniformly arranged in the heating cavity.

Through adopting above-mentioned technical scheme, the setting of a plurality of heater strips for the container in the box can be by even heating.

In summary, the present application includes at least one of the following beneficial technical effects:

the arrangement of the plurality of longitudinal exhaust pipes and the plurality of transverse exhaust pipes ensures that almost any space in the box body directly faces a certain longitudinal exhaust hole or a certain transverse exhaust hole, so that when the main exhaust pipe exhausts air, all the longitudinal exhaust holes and the transverse exhaust holes can simultaneously evacuate from different spaces of the box body, and the gas in the closing-up container in the box body is easy to exhaust;

the arrangement of the filter screen ensures that the powdery substance cannot be adsorbed into the transverse exhaust pipe and the longitudinal exhaust pipe and can be blocked by the filter screen when the powdery substance touches the filter screen;

the filter pipe is arranged, so that a worker can pull out the filter pipe, the filter screen is pulled out, and the filter pipe, the filter screen, the transverse exhaust pipe and the longitudinal exhaust pipe are cleaned.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present application;

FIG. 2 is a schematic view intended to show the structure of the suction chamber and the heating wire;

FIG. 3 is a partial schematic view at A of FIG. 1;

fig. 4 is a schematic view intended to show the structure of a filter tube.

Description of reference numerals: 1. a box body; 2. a box door; 3. a vacuum pump; 4. a main exhaust pipe; 41. a longitudinal exhaust pipe; 411. a longitudinal air exhaust hole; 42. a transverse exhaust pipe; 5. an air pumping cavity; 6. a filter assembly; 61. a filter tube; 611. a filtration pore; 62. a filter screen; 7. a gasket; 8. a heating wire.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses vacuum drying oven. Referring to fig. 1 and 2, the vacuum drying oven comprises an oven body 1 and an oven door 2, wherein the oven door 2 is hinged on the oven body 1, an air exhaust cavity 5 is arranged in the oven body 1, the air exhaust cavity 5 is positioned in the inner wall of the oven body 1, the air exhaust cavity 5 is fixedly communicated with a main air exhaust pipe 4, and the main air exhaust pipe 4 extends outwards of the oven body 1 and is communicated with a vacuum pump 3; the air pumping cavity 5 is communicated with a longitudinal air pumping pipe 41 and a transverse air pumping pipe 42, the longitudinal air pumping pipe 41 and the transverse air pumping pipe 42 are both positioned in the box body 1, the longitudinal air pumping pipe 41 is provided with a longitudinal air pumping hole 411, and the transverse air pumping pipe 42 is provided with a transverse air pumping hole (not marked in the figure).

When needing to carry out the evacuation in the box 1, at first start vacuum pump 3, the gas in the box 1 is taken out, gets into in indulging exhaust tube 41, the horizontal exhaust tube 42 through indulging exhaust hole 411, horizontal exhaust hole in proper order, gets into in the exhaust chamber 5 from indulging exhaust tube 41, horizontal exhaust tube 42 again, gets into main exhaust tube 4 in the exhaust chamber 5 at last, is discharged inside the box 1 through vacuum pump 3 again.

Referring to fig. 1 and 3, the longitudinal air exhaust pipes 41 and the transverse air exhaust pipes 42 are made of a material with relatively low rigidity, the number of the longitudinal air exhaust pipes 41 is multiple, the multiple longitudinal air exhaust pipes 41 are uniformly distributed on the top wall and three side walls of the box body 1, two ends of each longitudinal air exhaust pipe 41 are inserted into the air exhaust cavity 5 and are in threaded connection with the inner wall of the air exhaust cavity 5, and the number of the longitudinal air exhaust holes 411 are uniformly distributed on the longitudinal air exhaust pipes 41; horizontal exhaust tube 42 sets up to a plurality ofly, and a plurality of horizontal exhaust tube 42 evenly distributed are in roof and three lateral wall department in box 1, and in horizontal exhaust tube 42 both ends all inserted exhaust chamber 5 to with the inner wall threaded connection of exhaust chamber 5, horizontal exhaust hole evenly distributed has a plurality ofly on horizontal exhaust tube 42.

Referring to fig. 2 and 3, the transverse exhaust pipes 42 and the longitudinal exhaust pipes 41 are distributed in a staggered manner, the threaded joints of the transverse exhaust pipes 42, the longitudinal exhaust pipes 41 and the exhaust cavity 5 are provided with sealing gaskets 7, and the sealing gaskets 7 and the transverse exhaust pipes 42 are fixedly connected with the longitudinal exhaust pipes 41 and are abutted against the exhaust cavity 5.

When the vacuum drying oven is used for a long time, a worker twists the longitudinal exhaust tube 41, firstly twists the top end of the longitudinal exhaust tube 41 out of the exhaust cavity 5, then inclines the longitudinal exhaust tube 41, twists the bottom end out of the exhaust cavity 5, and detaches the longitudinal exhaust tube 41; the lateral suction pipe 42 is also detached in the same manner, and the longitudinal suction pipe 41 and the lateral suction pipe 42 are cleaned after the detachment.

Referring to fig. 4, the transverse exhaust pipe 42 and the longitudinal exhaust pipe 41 are both provided with a filter assembly 6, the filter assembly 6 includes a filter pipe 61 and a filter screen 62, the filter pipe 61 is located in the transverse exhaust pipe 42 and the longitudinal exhaust pipe 41, and is tightly abutted to the inner walls of the transverse exhaust pipe 42 and the longitudinal exhaust pipe 41, the filter pipe 61 is uniformly provided with a plurality of filter holes 611, each filter hole 611 is respectively corresponding to the longitudinal exhaust hole 41 and the transverse exhaust hole one by one, the axis of each filter hole 611 is respectively coincident with the axis of the longitudinal exhaust hole 41 corresponding thereto, and the axis of each filter hole 611 is respectively coincident with the axis of the transverse exhaust hole corresponding thereto; the filter screen 62 is disposed at the filter hole 611, the filter screen 62 is plural, and each filter screen 62 completely covers the corresponding filter hole 611, and the filter screen 62 is bonded to the filter pipe 61.

During vacuum pumping, gas in the box body 1 firstly enters the filter screen 62 through the longitudinal suction holes 41 and the transverse suction holes, the filter screen 62 filters impurities in the gas, and clean gas enters the longitudinal suction pipes 41 and the transverse suction pipes 42 through the filter holes 611, then enters the suction cavity 5 and is finally pumped out by the vacuum pump 3. When the longitudinal suction pipe 41 and the transverse suction pipe 42 are cleaned, the filter pipe 61 is pulled out, and the filter net 62 is cleaned or the filter net 62 is replaced.

Referring to fig. 2, be provided with a plurality of heater strips 8 in the chamber 5 of bleeding, a plurality of heater strips 8 evenly distributed in the chamber 5 of bleeding, and be close to roof, lateral wall and the diapire butt in the box 1 with the chamber 5 of bleeding.

The implementation principle of the vacuum drying oven in the embodiment of the application is as follows: when the interior of the box body 1 is vacuumized, the vacuum pump 3 is started, gas in the box body 1 firstly enters the filter screen 62 through the longitudinal suction hole 41 and the transverse suction hole, the filter screen 62 filters impurities in the gas, clean gas enters the longitudinal suction pipe 41 and the transverse suction pipe 42 through the filter hole 611, then enters the suction cavity 5, and finally is pumped out by the vacuum pump 3; when the vacuum drying box is used for a long time, a worker twists the longitudinal exhaust pipe 41, firstly twists the top end of the longitudinal exhaust pipe 41 out of the exhaust cavity 5, then inclines the longitudinal exhaust pipe 41, twists the bottom end out of the exhaust cavity 5, detaches the longitudinal exhaust pipe 41, then pulls out the filter pipe 61, and cleans the filter net 62 or replaces the filter net 62; after the vacuum pumping is finished, the heating device is opened, and the heating wire 8 is used for heating and drying the objects in the box body 1.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a vacuum drying oven, includes box (1) and chamber door (2), and chamber door (2) articulate on box (1), are connected with vacuum pump (3) on box (1), are provided with heating chamber, its characterized in that in box (1): be provided with main exhaust tube (4) on box (1), main exhaust tube (4) one end and the fixed intercommunication of vacuum pump (3), the intercommunication can be dismantled to the other end has indulges exhaust tube (41), indulges exhaust tube (41) and sets up to a plurality ofly, and a plurality of exhaust tube (41) of indulging are in box (1) inner wall department equidistant distribution, indulge and have seted up a plurality of aspirating holes (411) of indulging on exhaust tube (41).

2. A vacuum drying oven according to claim 1, characterized in that: the main exhaust pipe (4) is detachably connected with a plurality of transverse exhaust pipes (42), the transverse exhaust pipes (42) are arranged in a plurality of modes, the plurality of transverse exhaust pipes (42) are distributed on the inner wall of the box body (1) at equal intervals and are distributed in a staggered mode with the longitudinal exhaust pipes (41), and a plurality of transverse exhaust holes are formed in the transverse exhaust pipes (42).

3. A vacuum drying oven according to claim 2, characterized in that: and filter components (6) are arranged in the transverse exhaust pipe (42) and the longitudinal exhaust pipe (41), each filter component (6) comprises a filter screen (62), and the filter screens (62) cover the longitudinal exhaust holes (411) and the transverse exhaust holes.

4. A vacuum drying oven according to claim 3, characterized in that: the filter assembly (6) further comprises a filter pipe (61), the filter pipe (61) is inserted into the longitudinal exhaust pipe (41) and the transverse exhaust pipe (42) and tightly abutted to the longitudinal exhaust pipe (41) and the transverse exhaust pipe (42), a filter hole (611) is formed in the filter pipe (61), the filter hole (611) is in one-to-one correspondence with the longitudinal exhaust hole (411) and the transverse exhaust hole, and the filter net (62) covers the filter hole (611) and is bonded with the filter pipe (61).

5. A vacuum drying oven according to claim 2, characterized in that: the main exhaust pipe (4) is communicated with an exhaust cavity (5), the exhaust cavity (5) is located in the box body (1), and the longitudinal exhaust pipes (41) and the transverse exhaust pipes (42) are communicated with the exhaust cavity (5).

6. A vacuum drying oven according to claim 5, characterized in that: the plurality of longitudinal exhaust pipes (41) are in threaded connection with the exhaust cavity (5); the plurality of transverse exhaust pipes (42) are in threaded connection with the exhaust cavity (5).

7. A vacuum drying oven according to claim 5, characterized in that: and a sealing gasket (7) is arranged at the communication position of the longitudinal exhaust pipe (41) and the exhaust cavity (5), and the sealing gasket (7) is fixedly connected with the longitudinal exhaust pipe (41).

8. A vacuum drying oven according to claim 5, characterized in that: the heating cavity and the air pumping cavity (5) are the same cavity, and a plurality of heating wires (8) are uniformly arranged in the heating cavity.