CN208254147U - A kind of vacuum oven - Google Patents

Abstract

The utility model discloses a kind of vacuum ovens, it is related to technical field of drying, including steadying plate, vacuum pump, first motor and the second motor, the vacuum pump, first motor and the second motor are fixedly mounted on the upper surface of steadying plate, the upper end of the vacuum pump is fixedly connected with one end of exhaust tube, the other end of the exhaust tube is fixedly plugged in a middle side part of seal box, the exhaust tube is far from being fixedly connected with condenser on the side of seal box, the vacuum oven, it is mounted with two engines, agitating shaft connects the first motor rotation by the first supporting lever and the first chain, drying cylinder passes through rotary head, second supporting lever and the second chain connect the second motor rotation, agitating shaft is identical with drying cylinder revolving speed, it turns to opposite, agitating shaft rotates counterclockwise, drying cylinder rotates clockwise, make the material in drying cylinder It is stirred twice simultaneously, improves stirring efficiency, solve the problems, such as stirring dead angle.

Description

A kind of vacuum oven

Technical field

The utility model relates to technical field of drying, specially a kind of vacuum oven.

Background technique

Vacuum oven aims at dry thermal sensitivity, easily decompose and readily oxidizable substance and design, when work, can make work The certain vacuum degree of indoor holding, and can internally be filled with inert gas, the article of especially some complicated components also can be into Row rapid draing, vacuum drying technique obtain universal application in industries such as food, chemical industry, medicine, metallurgy and electronics.

Existing vacuum oven is to pour material into take out air in case mostly, then agitating and heating dried material, object Paddle of the material only in drying box is stirred, and stirring efficiency is low, and stirring has dead angle, and drying time is long；In addition material is completed After drying, vent valve, air pressure back to normal in case are opened, some materials can be sticked to the interior of drying box because of frictional force On wall, since inside is equipped with paddle, clean relatively difficult.

A kind of vacuum drier disclosed in Chinese utility model patent ublic specification of application CN205718214U, should Vacuum drier, although, be mounted with two paddles of different shapes solve the problem of stirring efficiency it is low stirring have dead angle, But the vacuum drier relies only on paddle still to stir, and can not be fully solved that stirring efficiency is low, stirring has dead angle Problem, in addition the vacuum drier is unfavorable for promoting the use of there is no solving the problems, such as that inner wall cleaning is difficult.

Utility model content

(1) the technical issues of solving

In view of the deficiencies of the prior art, the utility model provides a kind of vacuum oven, and it is dry to solve existing vacuum Dry machine stirring efficiency is low, and stirring has the problem at dead angle and inner wall cleaning hardly possible.

(2) technical solution

In order to achieve the above object, the utility model is achieved by the following technical programs: a kind of vacuum oven, including Steadying plate, vacuum pump, the first motor and the second motor, the vacuum pump, the first motor and the second motor are fixed It is mounted on the upper surface of steadying plate, the upper end of the vacuum pump is fixedly connected with one end of exhaust tube, the other end of the exhaust tube It is fixedly plugged in a middle side part of seal box, the exhaust tube is described far from being fixedly connected with condenser on the side of seal box One end of agitating shaft is flexibly connected in the middle part of the other side of seal box, the lower end surface of the seal box is fixedly connected with the top of pressure pin, The bottom end of the pressure pin is fixedly connected on the upper surface of steadying plate, and the agitating shaft, which closes on, is provided with first on the side of seal box The side of chain, first chain is socketed on agitating shaft, and the other side of first chain is socketed in the first rotary shaft, First rotary shaft is flexibly connected the side of the first motor, and the agitating shaft is dry far from being socketed on the outside of one end of seal box Dry cylinder is fixedly connected with paddle on the outer surface of the agitating shaft, and the paddle is located at the inside of drying cylinder, the stirring Axis runs through the upper end of the first supporting lever；

The side of second motor is connected with the second rotary shaft, and second rotary shaft is socketed the second chain The other side of side, second chain is socketed on one end of rotary head, and the other end of the rotary head is plugged on the one of drying cylinder In middle side part groove, the rotary head runs through the upper end of the second supporting lever；

Feed inlet is offered on the upper end side of the drying cylinder, and discharging is offered in the bottom side of the wall of the drying cylinder Mouthful, and the quantity of the discharge port is two, the upper center of the drying cylinder is plugged with air inlet pipe, one end of the air inlet pipe Opening is located on the outer wall of drying cylinder, and another end opening of the air inlet pipe is fixedly connected with the middle part of air jet pipe, the jet The both ends of pipe are fixedly mounted on the inner wall of drying cylinder.

Preferably, the air jet pipe includes gas-guide tube, and the outside of the gas-guide tube is fixedly connected with one end of skeleton, the bone The quantity of frame is four, and four skeletons are distributed by center circular array of gas-guide tube, and the other end of the skeleton is solid Surely filter screen is connected.

Preferably, the quantity of the discharge port, air inlet pipe and air jet pipe is two, and two air inlet pipe are with agitating shaft It is symmetrically distributed on drying cylinder for symmetry axis, two air jet pipes are symmetrically distributed in drying cylinder by symmetry axis of agitating shaft Portion.

Preferably, for first supporting lever between the first chain and drying cylinder, the bottom end of first supporting lever is solid Surely it is connected to the upper surface of steadying plate, second supporting lever is between the second chain and drying cylinder, second supporting lever Bottom end be fixedly connected on the upper surface of steadying plate.

Preferably, the revolving speed of first chain and the second chain is identical, and turn of first chain and the second chain To opposite.

Preferably, the vacuum pump is fixedly mounted on the side of steadying plate, and second motor is fixedly mounted on stabilization The other side of plate.

(3) beneficial effect

The utility model provides a kind of vacuum oven, have it is following the utility model has the advantages that

(1), the vacuum oven is mounted with that two engines, agitating shaft are connected by the first supporting lever and the first chain First motor rotation, drying cylinder connect the second motor rotation by rotary head, the second supporting lever and the second chain, agitating shaft and Drying cylinder revolving speed is identical, turns to but on the contrary, agitating shaft rotates counterclockwise, drying cylinder rotates clockwise, and makes the material in drying cylinder It is stirred twice simultaneously, improves stirring efficiency, solve the problems, such as stirring dead angle.

(2), the vacuum oven, is mounted with air inlet pipe and air jet pipe, in dried material, first by the air inlet of air inlet pipe Sealing after the completion of making to the back tender of material, opens air inlet pipe, connects that air pressure gun is this to suppress cleaning device, leading on air jet pipe Several ventholes are offered on tracheae, high wind venthole is injected on the inner wall of drying cylinder, completes cleaning, and it is easy to use, It is easy to operate, filter screen is also mounted on air jet pipe, filter screen can prevent clogged up with material air inlet, guarantee the smooth of venthole It is logical.

Detailed description of the invention

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is the structural schematic diagram of the utility model air jet pipe.

In figure: steadying plate 1, exhaust tube 3, condenser 4, seal box 5, agitating shaft 6, pressure pin 7, drying cylinder 8, stirs vacuum pump 2 Mix leaf 9, the first supporting lever 10, the first chain 11, the first rotary shaft 12, the first motor 13, rotary head 14, the second supporting lever 15, Second chain 16, the second rotary shaft 17, the second motor 18, feed inlet 19, discharge port 20, air inlet pipe 21, air jet pipe 22, air guide Pipe 23, skeleton 24, filter screen 25.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.

In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " suitable The orientation or positional relationship of the instructions such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " is orientation based on the figure Or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than the device of indication or suggestion meaning or Element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limit to the utility model System.

In the present invention unless specifically defined or limited otherwise, term " setting ", " connected ", " connects " installation " Connect ", the terms such as " fixation " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection；It can be machine Tool connection；It can be directly connected, it can also be indirectly connected through an intermediary.For those of ordinary skill in the art and Speech, can understand the concrete meaning of above-mentioned term in the present invention as the case may be.

In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more of the features.

The utility model provides a kind of technical solution referring to FIG. 1-2: a kind of vacuum oven, including steadying plate 1, true Sky the 2, first motor 13 of pump and the second motor 18, vacuum pump 2, the first motor 13 and the second motor 18 are fixedly mounted In the upper surface of steadying plate 1, the upper end of vacuum pump 2 is fixedly connected with one end of exhaust tube 3, the fixed grafting of the other end of exhaust tube 3 In a middle side part of seal box 5, exhaust tube 3 is fixedly connected with condenser 4 on the side far from seal box 5, seal box 5 it is another Middle side part is flexibly connected one end of agitating shaft 6, and the lower end surface of seal box 5 is fixedly connected with the top of pressure pin 7, and the bottom end of pressure pin 7 is solid Surely it is connected to the upper surface of steadying plate 1, agitating shaft 6, which closes on the side of seal box 5, is provided with the first chain 11, the first chain 11 Side be socketed on agitating shaft 6, the other side of the first chain 11 is socketed in the first rotary shaft 12, the activity of the first rotary shaft 12 Connect the side of the first motor 13, agitating shaft 6 far from being socketed with drying cylinder 8 on the outside of one end of seal box 5, agitating shaft 6 it is outer Paddle 9 is fixedly connected on surface, paddle 9 is located at the inside of drying cylinder 8, and agitating shaft 6 is upper through the first supporting lever 10 End, agitating shaft 6 are hollow structure, and exhaust tube 3 is connect by seal box 5 with agitating shaft 6, several pumpings are offered on agitating shaft 6 Extension of the port as exhaust tube 3, agitating shaft 6 are both the support shaft of paddle 9 and a part of exhaust tube 3, such to set Meter reduces the open amount on drying cylinder 8, improves 8 leakproofness of drying cylinder, agitating shaft 6, the first supporting lever 10, the first chain 11, the first rotary shaft 12 and the first motor 13 form one group of transmission device, and agitating shaft 6 is driven to rotate counterclockwise；

The side of second motor 18 is connected with the second rotary shaft 17, and the second rotary shaft 17 is socketed the second chain 16 The other side of side, the second chain 16 is socketed on one end of rotary head 14, and the other end of rotary head 14 is plugged on the side of drying cylinder 8 In central slot, rotary head 14 runs through the upper end of the second supporting lever 15, rotary head 14, the second supporting lever 15, the rotation of the second chain 16, second Shaft 17, the second motor 18 form another group of transmission device, and rotary head 14 is driven to rotate clockwise；

Feed inlet 19 is offered on the upper end side of drying cylinder 8, and discharge port 20 is offered in the bottom side of the wall of drying cylinder 8, And the quantity of discharge port 20 is two, the upper center of drying cylinder 8 is plugged with air inlet pipe 21, and the open at one end of air inlet pipe 21 is located at On the outer wall of drying cylinder 8, another end opening of air inlet pipe 21 is fixedly connected with the middle part of air jet pipe 22, and the both ends of air jet pipe 22 are equal It is fixedly mounted on the inner wall of drying cylinder 8, in dried material, first seals the air inlet of air inlet pipe 21, the drying to material After the completion of work, air inlet pipe 21 is opened, connects that air pressure gun is this to suppress cleaning device, is offered on the gas-guide tube 23 on air jet pipe 22 Several ventholes, high wind venthole are injected on the inner wall of drying cylinder 8, complete cleaning, easy to use, easy to operate.

A kind of optimal technical scheme as the utility model: air jet pipe 22 includes gas-guide tube 23, the outside of gas-guide tube 23 It is fixedly connected with one end of skeleton 24, the quantity of skeleton 24 is four, and four skeletons 24 battle array in a ring centered on gas-guide tube 23 Column distribution, the other end of skeleton 24 are fixedly connected with filter screen 25, and filter screen 25 can prevent clogged up with material gas-guide tube 23, guarantee to lead Tracheae 23 it is unimpeded.

A kind of optimal technical scheme as the utility model: the quantity of discharge port 20, air inlet pipe 21 and air jet pipe 22 is equal It is two, two air inlet pipe 21 are that symmetry axis is symmetrically distributed on drying cylinder 8 with agitating shaft 6, and two air jet pipes 22 are with agitating shaft 6 It is symmetrically distributed in the inside of drying cylinder 8 for symmetry axis, two discharge ports 20 are set, reduces dry material and 8 inner wall of drying cylinder Contact area, improve mass output rate, accelerate discharging speed, two air inlet pipe 21 and air jet pipe 22 clean simultaneously, accelerate clear Clean speed improves cleannes.

A kind of optimal technical scheme as the utility model: the first supporting lever 10 is located at the first chain 11 and drying cylinder 8 Between, the bottom end of the first supporting lever 10 is fixedly connected on the upper surface of steadying plate 1, and the second supporting lever 15 is located at 16 He of the second chain Between drying cylinder 8, the bottom end of the second supporting lever 15 is fixedly connected on the upper surface of steadying plate 1, the first supporting lever 10 and second Support thick stick 15 supports agitating shaft 6 and rotary head 14 respectively, and drying cylinder 8 can be made to be stabilized in rotary operation in midair.

A kind of optimal technical scheme as the utility model: the first chain 11 is identical with the revolving speed of the second chain 16, and On the contrary, the first chain 11 drives the rotation of 6 hour hands of agitating shaft, the second chain 16 is driven for the steering of first chain 11 and the second chain 16 Drying cylinder 8 rotates clockwise, and makes the material in drying cylinder while being stirred twice, improve stirring efficiency, solves stirring The problem of dead angle.

A kind of optimal technical scheme as the utility model: vacuum pump 2 is fixedly mounted on the side of steadying plate 1, and second Motor 18 is fixedly mounted on the other side of steadying plate 1, keeps the steady of steadying plate 1, balances the workbench of drying cylinder 8 steady It is fixed.

The electric elements occurred in this article are electrically connected with extraneous main controller and 220V alternating current, and main controller can be meter Calculation machine etc. plays the conventionally known equipment of control.

In conclusion the vacuum oven, in use, user pours material in drying cylinder 8 by feed inlet 19 into Portion, then vacuum pump 2 is opened, start vacuum pump 2, agitating shaft 6 is hollow structure, and exhaust tube 3 passes through seal box 5 and agitating shaft 6 It connects, offers extension of several bleeding points as exhaust tube 3 on agitating shaft 6, wait the air in drying cylinders 8 by exhaust tube 3 When exhausting, start the first motor 13 and the second motor 18, the first motor 13 passes through the first rotary shaft 12 and the first chain 11 drive agitating shaft 6 to rotate counterclockwise, and the second motor 18 drives 14 up time of rotary head by the second chain 16, the second rotary shaft 17 Needle rotation, makes the material in drying cylinder while being stirred twice, improves stirring efficiency, solves the problems, such as stirring dead angle, then open The heating device of dynamic vacuum oven is dried, and after having dried material, closes power supply, discharge port 20 is opened, dried Material takes out, and then opens air inlet pipe 21, connects that air pressure gun is this to suppress cleaning device, opens up on the gas-guide tube 23 on air jet pipe 22 There are several ventholes, high wind venthole is injected on the inner wall of drying cylinder 8, completes cleaning, and it is easy to use, it is easy to operate, Filter screen 25 outside gas-guide tube 23 can prevent clogged up with material gas-guide tube 23, guarantee the unimpeded of gas-guide tube 23.

It should be noted that in the present invention unless specifically defined or limited otherwise, fisrt feature is in the second spy It can be that the first and second features directly contact or the first and second features are connect indirectly by intermediary "above" or "below" sign Touching.Moreover, fisrt feature can be above the second feature " above ", " above " and " above " fisrt feature right above second feature or Oblique upper, or first feature horizontal height is merely representative of higher than second feature.Fisrt feature second feature " under ", " lower section " " following " can be fisrt feature and be directly under or diagonally below the second feature, or is merely representative of first feature horizontal height and is less than Second feature.

The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model Within enclosing.

Claims (6)

1. a kind of vacuum oven, including steadying plate (1), vacuum pump (2), the first motor (13) and the second motor (18), It is characterized by: the vacuum pump (2), the first motor (13) and the second motor (18) are fixedly mounted on steadying plate (1) Upper surface, the upper end of the vacuum pump (2) is fixedly connected with one end of exhaust tube (3), and the other end of the exhaust tube (3) is fixed It is plugged on a middle side part of seal box (5), is fixedly connected with condenser on the side of the exhaust tube (3) separate seal box (5) (4), the one end of agitating shaft (6) is flexibly connected in the middle part of the other side of the seal box (5), the lower end surface of the seal box (5) is solid Determine the top of connection supporting rod (7), the bottom end of the pressure pin (7) is fixedly connected on the upper surface of steadying plate (1), the agitating shaft (6) it closes on the side of seal box (5) and is provided with the first chain (11), the side of first chain (11) is socketed in agitating shaft (6) on, the other side of first chain (11) is socketed on the first rotary shaft (12), and the first rotary shaft (12) activity is even The side of the first motor (13) is connect, the agitating shaft (6) is socketed with drying cylinder (8), institute far from one end outside of seal box (5) It states and is fixedly connected on the outer surface of agitating shaft (6) paddle (9), the paddle (9) is located at the inside of drying cylinder (8), institute State the upper end that agitating shaft (6) run through the first supporting lever (10)；

The side of second motor (18) is connected with the second rotary shaft (17), second rotary shaft (17) socket the The other side of the side of two chains (16), second chain (16) is socketed on one end of rotary head (14), the rotary head (14) The other end be plugged in the side central slot of drying cylinder (8), the rotary head (14) run through the second supporting lever (15) upper end；

It offers feed inlet (19) on the upper end side of the drying cylinder (8), is offered in the bottom side of the wall of the drying cylinder (8) The upper center of discharge port (20), the drying cylinder (8) is plugged with air inlet pipe (21), the position open at one end of the air inlet pipe (21) In on the outer wall of drying cylinder (8), another end opening of the air inlet pipe (21) is fixedly connected with the middle part of air jet pipe (22), the spray The both ends of tracheae (22) are fixedly mounted on the inner wall of drying cylinder (8).

2. a kind of vacuum oven according to claim 1, it is characterised in that: the air jet pipe (22) includes gas-guide tube (23), the outside of the gas-guide tube (23) is fixedly connected with one end of skeleton (24), and the quantity of the skeleton (24) is four, and four A skeleton (24) is the distribution of center circular array with gas-guide tube (23), and the other end of the skeleton (24) was fixedly connected Strainer (25).

3. a kind of vacuum oven according to claim 1, it is characterised in that: the discharge port (20), air inlet pipe (21) Quantity with air jet pipe (22) is two, and two air inlet pipe (21) are symmetrically distributed in agitating shaft (6) for symmetry axis dry On dry cylinder (8), two air jet pipes (22) are with the inside that agitating shaft (6) are that symmetry axis is symmetrically distributed in drying cylinder (8).

4. a kind of vacuum oven according to claim 1, it is characterised in that: first supporting lever (10) is located at first Between chain (11) and drying cylinder (8), the bottom end of first supporting lever (10) is fixedly connected on the upper surface of steadying plate (1), For second supporting lever (15) between the second chain (16) and drying cylinder (8), the bottom end of second supporting lever (15) is solid Surely it is connected to the upper surface of steadying plate (1).

5. a kind of vacuum oven according to claim 1, it is characterised in that: first chain (11) and the second chain (16) revolving speed is identical, and the steering of first chain (11) and the second chain (16) is opposite.

6. a kind of vacuum oven according to claim 1, it is characterised in that: the vacuum pump (2) is fixedly mounted on surely The side of fixed board (1), second motor (18) are fixedly mounted on the other side of steadying plate (1).