CN210925589U

CN210925589U - Silver thick liquid dispersion devices

Info

Publication number: CN210925589U
Application number: CN201921443291.6U
Authority: CN
Inventors: 李勇; 施文峰
Original assignee: Hunan Nord Materials Technology Co ltd
Current assignee: Hunan Zhongwei Xinyin Material Technology Co ltd
Priority date: 2019-09-02
Filing date: 2019-09-02
Publication date: 2020-07-03
Anticipated expiration: 2029-09-02

Abstract

The utility model discloses a silver paste dispersing device, which comprises a frame, wherein one end of the frame is provided with a stirrer, and the stirrer is provided with an inner cavity for stirring; a second material inlet communicated with the inner cavity is formed in the upper end of the stirrer, and organic carriers are added through the second material inlet; the lower end of the stirrer is provided with a slurry outlet communicated with the inner cavity; a first stirring device and a second stirring device are arranged in the inner cavity, the second stirring device is rotatably arranged at the lower end of the first stirring device, a spiral rotating channel communicated with the inner cavity is arranged in the first stirring device, the rotating direction of the first stirring device is downward in rotation, a first material inlet communicated with the rotating channel is formed in the upper end of the stirrer, silver powder and glass powder are added through the first material inlet, and the silver powder and the glass powder are uniformly mixed preliminarily; foretell silver thick liquid dispersion devices's structural arrangement becomes the circumstances that the stirring mode of reinforced material has solved upper and lower portion mixing inequality, thick liquids granule great perfectly through the stirring simultaneously.

Description

Silver thick liquid dispersion devices

Technical Field

The utility model belongs to the technical field of the silver thick liquid is made, concretely relates to silver thick liquid dispersion devices.

Background

Silver paste is used as a processing product of silver, a noble metal, and is particularly widely applied to electronic paste. The conductive paste is prepared by uniformly mixing silver powder and glass powder, stirring and adding the mixture into an organic carrier, and then grinding by using a grinder to refine and uniformly distribute all components in the paste, so that the conductive paste has proper viscosity, volatility, thixotropy and leveling property and good printing performance. In the whole manufacturing process, especially, the problems of uneven mixing of the upper part and the lower part of the stirring and large particles in the existing silver paste dispersing device are easily caused by the uniform mixing of the silver powder and the glass powder and the uniform mixing of cosolvents such as additives in the stirring process.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a silver thick liquid dispersion devices.

The utility model provides a technical scheme that its technical problem adopted is: a silver paste dispersing device comprises a rack, wherein a stirrer is arranged at one end of the rack, and is provided with an inner cavity for stirring; a second material inlet communicated with the inner cavity is formed in the upper end of the stirrer, and organic carriers are added through the second material inlet; the lower end of the stirrer is provided with a slurry outlet communicated with the inner cavity; the inner chamber is internally provided with a first stirring device and a second stirring device, the second stirring device is rotatably arranged at the lower end of the first stirring device, a spiral rotating channel communicated with the inner chamber is arranged in the first stirring device, the upper end of the stirrer is provided with a first material inlet communicated with the rotating channel, and silver powder and glass powder are added through the first material inlet.

Preferably, the upper end of the frame is provided with a fixed cross beam, one end of the fixed cross beam is connected with the stirrer, the other end of the fixed cross beam is connected with a driving motor, the stirrer is connected with the fixed cross beam through a vertical rotating shaft, and the rotating shaft is driven by the driving motor.

Preferably, the lower end of the rotating shaft is provided with a rotating joint, the rotating joint is connected with the second stirring device, and the rotating shaft penetrates through the rotating channel.

Preferably, a continuous helical blade is arranged in the first stirring device, and the helical blade is tightly attached to the inner wall of the first stirring device and matched with the rotating shaft to form the rotating channel.

Preferably, a plurality of discharge holes are formed in the position, close to the rotating joint, of the lower end of the first stirring device, and the discharge holes are communicated with the rotating channel.

Preferably, the second stirring device comprises a plurality of stirring rods, and the stirring rods are uniformly distributed at the lower end of the rotating joint around the axis of the rotating shaft.

Preferably, a group of bevel gears is arranged at the upper end of the rotating shaft, and the bevel gears are connected with output shafts led out from the driving motor.

Preferably, one side of the stirrer is provided with a cleaning door communicated with the inner cavity, and the inner cavity can be cleaned through the cleaning door.

Preferably, a first bolt fastener is arranged on the side wall of the stirring machine, the stirring machine is fixed on the side wall of the rack through the first bolt fastener, a second bolt fastener is arranged at the bottom of the stirring machine, and the stirring machine is further reinforced on the ground through the second bolt fastener.

Preferably, the slurry outlet is provided with an on-off valve for opening and closing.

The utility model has the advantages that:

the silver paste dispersing device provided by the utility model divides the stirring process of silver paste into two steps, firstly, the silver powder and glass powder or other powder are preliminarily mixed by utilizing the spiral downward rotating channel, because the bottom of the rotating channel is a rotating joint which is matched with the discharge hole to realize rotating bulk materials and is matched with the stirring rod of the second stirring device to further mix uniformly, the stirring mode of stirring and feeding materials is realized, thereby greatly improving the mixing degree, perfectly solving the problem of uneven mixing of the upper part and the lower part by the stirring mode of changing stirring into charging, and in order to further improve the mixing degree of stirring, reduce the granule volume, can confirm arrangement mode, quantity and the concrete structure of stirring rod according to the demand to greatly satisfy the user demand, strive for obtaining high-quality silver thick liquid product.

Drawings

The invention will be further described with reference to the following figures and examples:

FIG. 1 is a schematic view of a silver paste dispersing apparatus;

the method comprises the following steps of 100-a stirrer, 101-a rack, 102-a driving motor, 103-a rotating shaft, 104-a first stirring device, 105-a second stirring device, 201-a first material inlet, 202-a second material inlet and 203-a slurry outlet.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.

Referring to fig. 1, the utility model discloses a silver paste dispersing device, which comprises a frame 101, wherein a stirrer 100 is arranged at one end of the frame 101, and the stirrer 100 is provided with an inner cavity for stirring; the upper end of the stirrer 100 is provided with a second material inlet 202 communicated with the inner cavity, and organic carriers are added through the second material inlet 202; the lower end of the stirrer 100 is provided with a slurry outlet 203 communicated with the inner cavity; a first stirring device 104 and a second stirring device 105 are arranged in the inner cavity, the second stirring device 105 is rotatably arranged at the lower end of the first stirring device 104, a spiral rotating channel communicated with the inner cavity is arranged in the first stirring device 104, the rotating direction of the rotating channel is downward in a rotating manner, a first material inlet 201 communicated with the rotating channel is arranged at the upper end of the stirring machine 100, silver powder and glass powder are added through the first material inlet 201, and the silver powder and the glass powder are primarily and uniformly mixed; foretell silver thick liquid dispersion devices's structural arrangement, its essence is that the stirring process branch with the silver thick liquid is for two steps, utilizes spiral decurrent rotary passage to carry out preliminary mixture to silver powder and glass powder or other powders at first, cooperates second agitating unit 105 to carry out further mixing again, has realized the reinforced stirring mode in limit stirring to greatly improved the mixed degree, become reinforced stirring mode through this kind of limit stirring and perfectly solved the uneven condition of upper and lower portion mixture.

In view of the above-mentioned fixation of the whole device, specifically, the upper end of the frame 101 is provided with a fixed beam, one end of the fixed beam is connected with the stirring machine 100, the other end of the fixed beam is connected with the driving motor 102, the stirring machine 100 is connected with the fixed beam through a vertical rotating shaft 103, and the rotating shaft 103 is driven by the driving motor 102.

In view of the installation of the second stirring device, a rotary joint is provided at the lower end of the rotary shaft 103, the rotary joint being connected to the second stirring device 105, the rotary shaft 103 penetrating the rotary passage.

Specifically, the rotating channel is formed by a continuous helical blade disposed in the first stirring device 104, and the helical blade is closely attached to the inner wall of the first stirring device 104 and is formed by matching with the rotating shaft 103, wherein the rotating blade may be configured to rotate together with the rotating shaft 103 or may be configured in a stationary fixed manner.

In order to cooperate the rotatory passageway to form the ejection of compact mode of spilling the material, the lower extreme of first agitating unit 104 is provided with a plurality of discharge openings in the position that is close to rotary joint, and discharge opening intercommunication rotatory passageway forms the ejection of compact mode of spilling the material through axis of rotation 103 and rotary joint's rotation to improve the mixing degree.

Further, in order to further improve the blending degree and reduce the volume of the slurry particles, the second stirring device 105 includes a plurality of stirring rods, the stirring rods are uniformly distributed at the lower end of the rotating joint around the axis of the rotating shaft 103, and here, the stirring blades of the stirring rods are arranged as continuous helical blades and are arranged on the cylindrical rod or on the spiral rod body structure.

As for the driving of the rotating shaft 103, a set of bevel gears is provided at the upper end of the rotating shaft 103, and an output shaft led from the driving motor 102 is connected by the bevel gears, thereby obtaining motor driving.

In order to facilitate cleaning of the inner wall of the stirrer 100, one side of the stirrer 100 is provided with a cleaning door communicated with the inner cavity, and the inner cavity can be cleaned through the cleaning door.

Because the stirring machine 100 has a large vibration amplitude in the stirring process, a firm fixing structure needs to be arranged on the stirring machine 100 to ensure the stability of the stirring process. Specifically, a first bolt fastener is arranged on a side wall of the agitator 100, the agitator 100 is fixed on the side wall of the frame 101 through the first bolt fastener, a second bolt fastener is arranged at the bottom of the agitator 100, and the agitator 100 is further reinforced on the ground through the second bolt fastener.

In addition, in consideration of opening and closing of the slurry outlet 206, an opening and closing valve for opening and closing is provided at the tip of the slurry outlet 206.

The above embodiments are merely preferred embodiments of the present invention, and other embodiments are also possible. Equivalent modifications or substitutions may be made by those skilled in the art without departing from the spirit of the invention, and such equivalent modifications or substitutions are intended to be included within the scope of the claims set forth herein.

Claims

1. The silver paste dispersing device is characterized by comprising a rack (101), wherein a stirrer (100) is arranged at one end of the rack (101), and the stirrer (100) is provided with an inner cavity for stirring; a second material inlet (202) communicated with the inner cavity is formed in the upper end of the stirrer (100), and organic carriers are added through the second material inlet (202); the lower end of the stirrer (100) is provided with a slurry outlet (203) communicated with the inner cavity; the inner chamber is internally provided with a first stirring device (104) and a second stirring device (105), the second stirring device (105) is rotatably arranged at the lower end of the first stirring device (104), a spiral rotating channel communicated with the inner chamber is arranged in the first stirring device (104), the upper end of the stirring machine (100) is provided with a first material inlet (201) communicated with the rotating channel, and silver powder and glass powder are added through the first material inlet (201).

2. The silver paste dispersing device according to claim 1, wherein a fixed beam is arranged at the upper end of the frame (101), one end of the fixed beam is connected with the stirrer (100), the other end of the fixed beam is connected with the driving motor (102), the stirrer (100) is connected with the fixed beam through a vertical rotating shaft (103), and the rotating shaft (103) is driven by the driving motor (102).

3. The silver paste dispersing device according to claim 2, wherein the lower end of the rotating shaft (103) is provided with a rotating joint, the rotating joint is connected with the second stirring device (105), and the rotating shaft (103) penetrates through the rotating channel.

4. The silver paste dispersing device according to claim 3, wherein a continuous helical blade is arranged in the first stirring device (104), and the helical blade is tightly attached to the inner wall of the first stirring device (104) and cooperates with the rotating shaft (103) to form the rotating channel.

5. The silver paste dispersing device according to claim 4, wherein a plurality of discharge holes are formed at the lower end of the first stirring device (104) near the rotating joint, and the discharge holes are communicated with the rotating channel.

6. The silver paste dispersing device according to claim 5, wherein the second stirring device (105) comprises a plurality of stirring rods, and the stirring rods are uniformly arranged at the lower end of the rotating joint around the axis of the rotating shaft (103).

7. The silver paste dispersing apparatus according to claim 6, wherein a set of bevel gears is provided at the upper end of the rotating shaft (103), and an output shaft led out from the driving motor (102) is connected through the bevel gears.

8. The silver paste dispersing apparatus according to any one of claims 1 to 7, wherein a cleaning door is provided on one side of the stirrer (100) to communicate with the inner chamber, and the inner chamber can be cleaned through the cleaning door.

9. The silver paste dispersing apparatus according to any one of claims 1 to 7, wherein a first bolt fastener is provided on a side wall of the stirring machine (100), the stirring machine (100) is fixed on a side wall of the frame (101) through the first bolt fastener, and a second bolt fastener is provided on a bottom of the stirring machine (100), and the stirring machine (100) is further reinforced on the ground through the second bolt fastener.

10. A silver paste dispersion apparatus according to any one of claims 1-7, characterized in that the paste outlet (203) is provided with an on-off valve for opening and closing.