CN212328148U - Vacuum mixing device - Google Patents

Abstract

The utility model relates to a material preparation field discloses a vacuum compounding device, including vacuum vessel, hold compounding container and the deposition container in vacuum vessel, be used for adjusting the compounding heating element of compounding container internal temperature and be used for adjusting the deposition heating element of deposition container internal temperature. The first opening of seting up on the compounding container just communicates the second opening of seting up on the deposition vessel, and the compounding container can rotate the operation to material in the stirring compounding intracavity, deposition vessel also can rotate the operation and the inner wall of vacuum chamber, compounding chamber, deposition chamber is quartzy or silicon nitride material, can avoid secondary pollution. The utility model discloses the purity of mixture has been guaranteed to the mixing material under vacuum state, and it can carry out the mixture of solid material under the normal atmospheric temperature moreover, also can carry out the mixture of molten condition's material under the heating condition of compounding heating element, can also utilize the deposition container to carry out the mixture and the deposit of gaseous state material and collect, and the compounding mode is various, can satisfy different mixing demands.

Description

Vacuum mixing device

Technical Field

The utility model relates to a material preparation technical field especially relates to a vacuum compounding device.

Background

The production and manufacture of high purity materials such as OLED materials (organic light emitting semiconductor materials) have high requirements on the cleanliness of the preparation environment. The manufacture of OLED electronic products also has high requirements on the uniformity and purity of the properties of the OLED materials used, and therefore, the contamination of the OLED materials should be minimized.

At present, the mass production of OLED materials in the domestic market is realized, and the produced OLED materials of the same type or different types can be used as raw materials of OLED electronic products. However, in the early production process of the OLED material, due to the influence of different production equipment such as a sublimator or other reasons, there is usually a certain purity or performance difference between different batches of the same kind of OLED material, because it is not possible to directly and synchronously put different batches of the same kind of OLED material into the subsequent evaporation production line for use in the subsequent production; in some cases, due to the special requirements of the process, different types of OLED materials need to be mixed uniformly before being put into a subsequent evaporation production line. Therefore, before the OLED material is put into an evaporation production line, the OLED material needs to be fully and uniformly mixed to ensure that the uniformity of the material put into use meets the requirement of putting into the evaporation production line. However, the existing blending equipment mainly has the following problems: 1. the existing mixing equipment is difficult to meet the requirement of high cleanliness of a mixing environment when OLED materials are mixed, and secondary pollution is easily caused in the mixing process; 2. in order to make the homogeneity of the material after mixing reach the operation requirement, only need carry out the mixing of solid particle level under some circumstances, need carry out the mixing under the molten condition under some circumstances, need carry out the mixing of molecular level under the gaseous state under some circumstances in addition, and current compounding equipment structure is single, and the function is single, and the compounding mode is single, uses the flexibility poor, is difficult to satisfy different mixing demands simultaneously.

Therefore, it is urgent to need to provide a vacuum compounding device, under the prerequisite that satisfies mixed environment cleanliness factor requirement, can provide multiple compounding mode to satisfy the different mixing demands of material.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a vacuum compounding device, under the prerequisite that satisfies mixed environment cleanliness factor requirement, can provide multiple compounding mode to satisfy the different mixing demands of material.

To achieve the purpose, the utility model adopts the following technical proposal:

a vacuum compounding device, comprising:

a vacuum container, wherein a vacuum cavity is arranged in the vacuum container;

the mixing container is accommodated in the vacuum cavity, a mixing cavity and a first opening communicated with the mixing cavity are formed in the mixing container, and the mixing container can rotate to operate and is used for stirring materials in the mixing cavity;

the mixing heating assembly is arranged outside the mixing container and used for adjusting the temperature in the mixing cavity so as to heat the solid material in the mixing cavity into a molten state or a gaseous state;

the deposition container is accommodated in the vacuum cavity, a deposition cavity and a second opening communicated with the deposition cavity are formed in the deposition container, and the second opening is opposite to and communicated with the first opening so that gaseous materials in the mixing cavity can enter the deposition cavity;

the deposition heating assembly is arranged outside the deposition container and used for adjusting the temperature in the deposition cavity so as to solidify the material which enters the deposition cavity and is in a gas state into a solid state; the deposition container can rotate to operate, and the vacuum cavity, the mixing cavity and the inner wall of the deposition cavity are made of quartz or silicon nitride.

Optionally, an agitating protrusion is arranged on the inner wall of the mixing cavity.

Optionally, the stirring arch has a plurality ofly, a plurality ofly stirring arch staggered distribution is in on the inner wall in mixing chamber.

Optionally, the mixing chamber is with the coaxial cylindric structure of the pivot of compounding container, the curved surface lateral wall in mixing chamber includes follows the stirring district lateral wall and the smooth district lateral wall of the circumference distribution in mixing chamber, it is a plurality of the stirring arch distribute in on the stirring district lateral wall.

Optionally, the stirring protrusion is of a quadrangular frustum pyramid structure, the upper bottom surface of the quadrangular frustum pyramid structure is of a rhombus, and one diagonal line of the rhombus is parallel to the rotation axis of the mixing container.

Optionally, the vacuum mixing device further includes:

the first driving source is in transmission connection with the mixing container and is used for driving the mixing container to rotate;

and the second driving source is in transmission connection with the deposition container and is used for driving the mixing container to rotate.

Optionally, the vacuum mixing device further includes:

a vacuum pump assembly in communication with the vacuum chamber for evacuating the vacuum chamber.

Optionally, the vacuum container, the mixing container and the deposition container are tubular structures made of quartz.

Optionally, a communication port for communicating the deposition chamber with the vacuum chamber is further formed at one end of the deposition container away from the second opening.

Optionally, the vacuum mixing device further includes:

and the rolling bracket is arranged in the vacuum cavity and used for bearing and supporting the mixing container and the deposition container.

The utility model has the advantages that:

the utility model discloses a vacuum vessel provides the vacuum environment for compounding container and deposition vessel, has reduced environmental pollution, and the inner wall material of vacuum chamber, compounding chamber, deposition chamber is quartzy or silicon nitride material, has further avoided the secondary pollution that causes the material among the mixing process, and then has guaranteed the purity of material. When the material mixing device is actually used, after a solid material is placed in a mixing cavity of a mixing container, if the solid material is only required to be mixed uniformly, the solid material can be mixed uniformly at normal temperature through rotation of the mixing container, at the moment, the deposition container does not rotate, and the mixing heating assembly and the deposition heating assembly do not work; if the materials in the molten state need to be mixed, the materials in the solid state in the mixing cavity can be heated through the mixing heating assembly, so that the materials in the solid state become in the molten state, and the materials are uniformly mixed through the rotation of the mixing container, at the moment, the deposition container does not rotate, and the deposition heating assembly does not work; if the materials in the gas state are required to be mixed at the molecular level, the materials in the solid state in the mixing cavity can be heated through the mixing heating component, the materials in the solid state are further converted into the gas state after becoming the molten state, preliminary uniform mixing of the materials in the molten state is realized through rotation of the mixing container, the materials in the gas state enter the deposition container, the materials in the gas state can be uniformly mixed at the molecular level in the gas state in the flowing process, the temperature in the deposition cavity of the deposition container is finally controlled to be the deposition temperature through the deposition heating component, the materials in the gas state in the deposition cavity are converted into the materials in the solid state again and are deposited in the deposition cavity, at the moment, if the deposition container is kept to rotate, the uniform mixing effect of the materials in the solid state finally deposited can be better, if the deposition container is kept not to rotate, can also achieve good mixing effect. The event the utility model discloses satisfying under the prerequisite that mixes the environment cleanliness factor requirement, providing diversified compounding mode, the user can select different compounding modes according to the different mixed demands of material.

Drawings

Fig. 1 is a schematic view of a vacuum mixing device provided by the present invention;

FIG. 2 is a schematic cross-sectional view of the mixing container provided by the present invention when the stirring protrusions are visible;

fig. 3 is a schematic cross-sectional view of a deposition vessel according to the present invention.

In the figure:

1-a vacuum container; 11-a vacuum chamber; 2-a mixing container; 21-a mixing chamber; 22-a first opening; 23-stirring the bulges; 3-a mixing heating assembly; 4-a deposition vessel; 41-a deposition chamber; 42-a second opening; 43-a communication port; 5-depositing a heating component; 51-a first deposition heating element; 52-a second deposition heating element; 6-a first drive source; 7-a second drive source; 8-a vacuum pump assembly; 9-rolling the carriage; 10-isolating the heating assembly.

Detailed Description

In order to make the technical problem solved by the present invention, the technical solution adopted by the present invention and the technical effect achieved by the present invention clearer, the technical solution of the present invention will be further explained by combining the drawings and by means of the specific implementation manner.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

As shown in fig. 1 to 3, this embodiment provides a vacuum mixing device, which can provide multiple mixing modes on the premise of meeting the requirement of cleanliness of a mixing environment, so as to meet different blending requirements of materials, where the material in this embodiment mainly refers to an OLED material, and may also be other materials having higher requirements on the mixing environment, cleanliness and a mixing effect. The vacuum mixing device comprises a vacuum container 1, a mixing container 2, a mixing heating assembly 3, a deposition container 4 and a deposition heating assembly 5. A vacuum cavity 11 is arranged in the vacuum container 1; the mixing container 2 is accommodated in the vacuum cavity 11, a mixing cavity 21 and a first opening 22 communicated with the mixing cavity 21 are formed in the mixing container 2, and the mixing container 2 can rotate to operate so as to be used for stirring materials in the mixing cavity 21; the mixing heating component 3 is arranged outside the mixing container 2 and is used for adjusting the temperature in the mixing cavity 21 so as to heat the solid material in the mixing cavity 21 into a molten state or a gaseous state; the deposition container 4 is accommodated in the vacuum chamber 11, the deposition container 4 is provided with a deposition chamber 41 and a second opening 42 communicated with the deposition chamber 41, the second opening 42 faces and is communicated with the first opening 22, so that gaseous materials in the mixing chamber 21 can enter the deposition chamber 41, and it should be noted that in the embodiment, the second opening 42 is sleeved on the periphery of the first opening 22 at intervals, and the two openings are mutually spaced and do not affect each other; the deposition heating assembly 5 is arranged outside the deposition container 4, and the deposition heating assembly 5 is used for adjusting the temperature in the deposition chamber 41 so as to solidify the gaseous material entering the deposition chamber 41 into a solid state; wherein, the deposition container 4 can rotate and operate, and the inner walls of the vacuum chamber 11, the mixing chamber 21 and the deposition chamber 41 are made of quartz or silicon nitride. Specifically, in the present embodiment, the vacuum vessel 1, the mixing vessel 2, and the deposition vessel 4 are tubular structures made of quartz, the axes of the vacuum vessel 1, the mixing vessel 2, and the deposition vessel 4 extend in the horizontal direction, and the mixing vessel 2 and the deposition vessel 4 are coaxial with the vacuum vessel 1. The vacuum mixing device further comprises a rolling bracket 9, a first driving source 6 and a second driving source 7. The rolling bracket 9 is arranged in the vacuum chamber 11, the rolling bracket 9 is used for bearing and supporting the mixing container 2 and the deposition container 4, and the mixing container 2 and the deposition container 4 can respectively rotate around the axes thereof and are placed on the rolling bracket 9 in the vacuum chamber 11. The first driving source 6 is in transmission connection with the mixing container 2, and the first driving source 6 is used for driving the mixing container 2 to rotate; the second driving source 7 is in transmission connection with the deposition container 4, and the second driving source 7 is used for driving the mixing container 2 to rotate. Wherein, first driving source 6 and second driving source 7 are servo motor, the main part of first driving source 6 and the main part of second driving source 7 are located vacuum vessel 1 outside, the both ends of vacuum vessel 1 leave sealing member mounting groove (not marking in the figure) respectively, install the sealing rubber circle in the sealing member mounting groove, the output shaft of first driving source 6 and second driving source 7 corresponds respectively and stretches into in vacuum chamber 11 after passing the tip of sealing rubber circle and vacuum vessel 1, and correspond on the transmission is connected to compounding container 2 and deposition container 4, and then can drive compounding container 2 and deposition container 4 respectively and rotate.

This embodiment provides the vacuum environment for compounding container 2 and deposition vessel 4 through vacuum vessel 1, has reduced environmental pollution, and the inner wall material of vacuum chamber 11, compounding chamber 21, deposition chamber 41 is the quartz material, has avoided the secondary pollution that causes the material among the mixing process, and then has guaranteed the purity of material. After the solid material is placed in the mixing cavity 21 of the mixing container 2, in actual use, if the solid material is only required to be uniformly mixed, the solid material can be uniformly mixed at normal temperature through rotation of the mixing container 2, at the moment, the deposition container 4 does not rotate, and the mixing heating component 3 and the deposition heating component 5 do not work; if the materials in the molten state need to be mixed, the materials in the solid state in the mixing cavity 21 can be heated through the mixing heating component 3, so that the materials in the solid state become in the molten state, and the materials are uniformly mixed through the rotation of the mixing container 2, at the moment, the deposition container 4 does not rotate, and the deposition heating component 5 does not work; if the mixing of the material in the gas state at the molecular level is required, the material in the solid state in the mixing cavity 21 can be heated by the mixing heating assembly 3, so that the material in the solid state becomes the molten state and then is converted into the gas state, and the material in the molten state is uniformly mixed by the rotation of the mixing container 2, while the material in the gas state enters the deposition cavity 41 of the deposition container 4, and the material in the gas state realizes the molecular level uniform mixing at the gas state in the flowing process, and finally the temperature in the deposition cavity 41 is controlled to be the deposition temperature by the deposition heating assembly 5, so that the material in the gas state entering the deposition cavity 41 becomes the material in the solid state and is deposited in the deposition cavity 41, at this time, the material in the gas state is continuously solidified and deposited in the deposition cavity 41, although the mixing of the material in the gas state is uniform, however, the properties of the material in the gas state may be different at different time periods, so that if the deposition container 4 is kept to rotate, the finally deposited material in the solid state can be more uniformly distributed in the deposition chamber 41, the uniform mixing effect is better, and if the deposition container 4 is kept not to rotate, the good uniform mixing effect can be achieved only by the molecular-level uniform mixing in the gas state. Therefore, the embodiment provides various mixing modes on the premise of meeting the requirement of cleanliness of a mixed environment, and a user can select different mixing modes according to different mixing requirements of materials.

Further, in order to maintain the vacuum state of the vacuum chamber 11. As shown in fig. 1, in this embodiment, the vacuum mixing apparatus further includes a vacuum pump assembly 8. The vacuum pump assembly 8 communicates with the vacuum chamber 11 for evacuating the vacuum chamber 11. Specifically, the vacuum pump assembly 8 includes a vacuum pump and a suction line, and the vacuum pump communicates with the vacuum chamber 11 through the suction line. In order to realize the vacuum-pumping process more quickly, as shown in fig. 3, in this embodiment, a communication port 43 for communicating the deposition chamber 41 with the vacuum chamber 11 is further formed at one end of the deposition container 4 away from the second opening 42, so that the gas in the deposition chamber 41 can be discharged quickly, and before the blending operation, the vacuum-pumping process on the vacuum container 1 is realized.

Further, in order to enable the kneading chamber 21 to have a kneading effect. As shown in fig. 1-2, in the present embodiment, the inner wall of the mixing chamber 21 is provided with a stirring protrusion 23. The stirring bulge 23 plays a role in stirring the solid material or the molten material, and is further beneficial to uniformly mixing the materials. Particularly, stirring arch 23 has a plurality ofly, and a plurality of stirring archs 23 crisscross distribution are on the inner wall in material mixing chamber 21, and the stirring arch 23 of crisscross arranging can play good stirring effect to the material, and then improves stirring mixing efficiency.

Moreover, as shown in fig. 2, the stirring protrusion 23 has a quadrangular frustum structure, the upper bottom surface of the quadrangular frustum structure has a rhombus shape, and one diagonal line of the rhombus shape is parallel to the rotation axis of the mixing container 2. So design, at the 2 pivoted in-process of compounding container, the rhombus water caltrop can play the reposition of redundant personnel effect to the material that flows for the material can flow through in the clearance between each stirring arch 23, and the collision each other mixes, and then has improved the efficiency of mixing stirring.

Further, as shown in fig. 1-2, in the present embodiment, the mixing cavity 21 is a cylindrical structure coaxial with the rotation axis of the mixing container 2, the curved sidewall of the mixing cavity 21 includes a stirring area sidewall and a smooth area sidewall (not shown in the figure) distributed along the circumferential direction of the mixing cavity 21, and the plurality of stirring protrusions 23 are distributed on the stirring area sidewall. Remain smooth area lateral wall on mixing material chamber 21 for when the user used compounding container 2 to carry out the material mixing of molten condition, when mixing work ended, can make the material pile up on the position of smooth area lateral wall, and then avoid stirring arch 23, and when waiting to the material solidification of molten condition for solid state, the user of being more convenient for scraped the material.

Further, it should be noted that, as shown in fig. 1, in the present embodiment, the mixing and heating assembly 3 and the deposition and heating assembly 5 realize temperature control of the mixing chamber 21 of the mixing container 2 and the deposition chamber 41 of the deposition container 4. Particularly, compounding heating element 3 and deposition heating element 5 can be current heating jacket, and the heating jacket can include heater strip, lagging and be used for detecting the sensor of temperature, and concrete structure is no longer repeated. The mixing heating assembly 3 and the deposition heating assembly 5 are respectively connected with a controller (not shown in the figure), and the mixing heating assembly 3 and the deposition heating assembly 5 are respectively correspondingly sleeved on the periphery of the vacuum container 1, so as to realize the temperature control of the mixing cavity 21 of the mixing container 2 and the deposition cavity 41 of the deposition container 4.

Further, in order to be able to control the specific location of solidification of the material in gaseous state entering the deposition chamber 41 of the deposition vessel 4. As shown in fig. 1, in the present embodiment, the deposition heating assembly 5 includes a first deposition heating member 51 and a second deposition heating member 52, the first deposition heating member 51 and the second deposition heating member 52 may be heating jackets, the first deposition heating member 51 and the second deposition heating member 52 are nested side by side on the deposition vessel 4 in the axial direction of the deposition vessel 4, and the first deposition heating member 51 is located at a position close to the second opening 42 of the deposition vessel 4. Furthermore, the heating temperature can be gradually reduced from the second opening 42 to the inside of the deposition chamber 41 along the axial direction of the deposition container 4, so that the temperature in the deposition chamber 41 is gradually reduced from the second opening 42 to the inside of the deposition chamber 41, and the position of the material in the gas state entering the deposition chamber 41 of the deposition container 4 is controlled to be solidified. It is contemplated that three or more heating jackets may be provided to more precisely control the location at which the material in the gaseous state solidifies within the deposition chamber 41.

In addition, because a certain residual space is left at two ends of the vacuum cavity 11 of the vacuum container 1, in order to ensure the stability of the temperature in the mixing container 2 and the deposition container 4, the outside of the two ends of the vacuum cavity 11 of the vacuum container 1 is respectively sleeved with an isolation heating assembly 10, the isolation heating assembly 10 can also be an existing heating jacket, and the isolation heating assembly 10 respectively heats the two ends of the vacuum cavity 11 of the vacuum container 1 to realize temperature control. And brought to a temperature corresponding to that of the mixing container 2 and the depositing container 4, thereby improving the stability of the temperature in the mixing container 2 and the depositing container 4.

The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.

Claims (10)

1. A vacuum compounding device, its characterized in that includes:

a vacuum container (1) in which a vacuum chamber (11) is formed;

the mixing container (2) is accommodated in the vacuum cavity (11), a mixing cavity (21) and a first opening (22) communicated with the mixing cavity (21) are formed in the mixing container (2), and the mixing container (2) can rotate to stir materials in the mixing cavity (21);

the mixing heating assembly (3) is arranged outside the mixing container (2) and is used for adjusting the temperature in the mixing cavity (21) so as to heat the solid material in the mixing cavity (21) into a molten state or a gaseous state;

the deposition container (4) is accommodated in the vacuum cavity (11), a deposition cavity (41) and a second opening (42) communicated with the deposition cavity (41) are formed in the deposition container (4), and the second opening (42) is over against and communicated with the first opening (22) so that gaseous materials in the mixing cavity (21) can enter the deposition cavity (41);

the deposition heating assembly (5) is arranged outside the deposition container (4) and is used for adjusting the temperature in the deposition cavity (41) so as to solidify the material which enters the deposition cavity (41) and is in a gas state into a solid state; the deposition container (4) can rotate, and the inner walls of the vacuum chamber (11), the mixing chamber (21) and the deposition chamber (41) are made of quartz or silicon nitride.

2. A vacuum mixing device as defined in claim 1, characterized in that the inner wall of the mixing chamber (21) is provided with stirring protrusions (23).

3. The vacuum mixing device as claimed in claim 2, wherein the stirring protrusions (23) are provided in plurality, and the plurality of stirring protrusions (23) are distributed on the inner wall of the mixing chamber (21) in a staggered manner.

4. The vacuum mixing device according to claim 3, wherein the mixing chamber (21) is a cylindrical structure coaxial with the rotation axis of the mixing container (2), the curved side wall of the mixing chamber (21) comprises a stirring area side wall and a smooth area side wall distributed along the circumferential direction of the mixing chamber (21), and the plurality of stirring protrusions (23) are distributed on the stirring area side wall.

5. A vacuum mixing apparatus as in any one of the claims 2 to 4, wherein the mixing protrusion (23) has a quadrangular frustum pyramid structure with a diamond shape on its upper bottom surface, one diagonal of the diamond shape being parallel to the rotation axis of the mixing container (2).

6. The vacuum compounding device of claim 1, wherein the vacuum compounding device further comprises:

the first driving source (6) is in transmission connection with the mixing container (2) and is used for driving the mixing container (2) to rotate;

and the second driving source (7) is in transmission connection with the deposition container (4) and is used for driving the mixing container (2) to rotate.

7. The vacuum compounding device of claim 1, wherein the vacuum compounding device further comprises:

a vacuum pump assembly (8) in communication with the vacuum chamber (11) for evacuating the vacuum chamber (11).

8. A vacuum mixing apparatus according to claim 1, wherein said vacuum vessel (1), said mixing vessel (2) and said deposition vessel (4) are tubular structures of quartz material.

9. The vacuum mixing device as claimed in claim 1, wherein a communication port (43) for communicating the deposition chamber (41) with the vacuum chamber (11) is further opened at one end of the deposition container (4) far away from the second opening (42).

10. The vacuum compounding device of claim 1, wherein the vacuum compounding device further comprises:

the rolling bracket (9) is arranged in the vacuum cavity (11), and the rolling bracket (9) is used for bearing and supporting the mixing container (2) and the deposition container (4).

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