A preparation device and method for silicon micropowder viscosity test sample

Abstract

The invention discloses a device and method for preparing a silicon micropowder viscosity test sample. The device and method comprise a heating tank, a controller, a sample cup a, and a sample cup b. The heating tank is provided with a liquid inlet pipe and a liquid outlet pipe, an electric heating wire is provided in the heating tank, a display, an actual value display, a power switch a, a circulation heating button, and a parameter setting key are provided on the controller, a PLC board a is provided inside the controller, and the PLC board a is connected to the display, the actual value display, the power switch a, the circulation heating button, the parameter setting key, and the electric heating wire through circuits. A fixed bracket is provided above the heating tank, and a fixing piece is provided on the fixed bracket, one end of the fixing piece is sleeved on the fixed bracket, and the other end is connected to a stirring mechanism. The device solves the problems of large preparation errors and reduced manual labor in the prior art, and is mainly used in the preparation of silicon micropowder viscosity test samples.

Description

Technical Field

[0001] The invention belongs to the technical field of heating and stirring equipment, in particular to a device and a method for preparing a silicon micropowder viscosity test sample. Background Art

[0002] At present, silicon micropowder is widely used in epoxy molding compounds, adhesives, copper clad laminates, ceramics, electrical engineering and other industries. Among them, the epoxy molding compounds and adhesives industries have very strict requirements on product viscosity. The current viscosity detection method has a complicated sample preparation process. It is necessary to heat the quantitative silicon micropowder and resin to a fixed temperature in an oven in advance. After heating, the sample is taken out, the silicon micropowder is poured into the resin, and it is stirred evenly with a glass rod. During the stirring process, the stirring method and stirring time control of the personnel, including the ambient temperature, will affect the viscosity test results, resulting in poor accuracy and repeatability of the viscosity test results, which cannot meet the needs of silicon micropowder viscosity control. A reasonable and accurate sample preparation equipment is urgently needed to solve the above technical problems. Summary of the Invention

[0003] In order to solve the technical problems raised in the background technology, the present invention provides a device and method for preparing a silicon micropowder viscosity test sample, and the technical solution adopted is as follows:

[0004] A silicon micropowder viscosity test sample preparation device includes a heating tank, a controller, a sample cup a, and a sample cup b. The upper portion of the heating tank is provided with a liquid inlet pipe, the lower portion of the heating tank is provided with a liquid outlet pipe, the liquid inlet pipe is provided with a sealing joint a, the liquid outlet pipe is provided with a sealing joint b, an electric heating wire is provided in the heating tank, the controller is provided with a display, an actual value display, a power switch a, a circulating heating button, and a parameter setting key, and a PLC board a is provided inside the controller. The PLC board a is connected to the display, actual value display, power switch a, circulating heating button, and parameter setting key through circuits.

[0005] The core improvement of the present invention is that a fixed bracket is provided above the heating tank, and a fixing piece is provided on the fixed bracket. One end of the fixing piece is sleeved on the fixed bracket, and the other end is connected to the stirring mechanism. A lifting nut is provided on the fixing piece, and the lifting nut is used to fix the fixing piece on the fixed bracket. The height of the stirring mechanism can be adjusted by adjusting the lifting nut. Two circular cup holes are provided above the heating tank, and sample cup a and sample cup b are placed in the circular cup holes. A sensor housing is provided on the upper part of the heating tank, and a temperature sensor is provided in the sensor housing. The temperature sensor is connected to the PLC board a, and the temperature sensor is used to transmit the temperature to the PLC board a, and then display it on the actual value display.

[0006] The stirring mechanism is one of the core components of the present invention. The stirring mechanism includes a shell, which is provided with a controller and a power switch b, a power supply and a PLC board b are provided inside the shell, a driving motor is provided at the lower part of the shell, the output shaft of the driving motor is fixedly connected to the rotating shaft, the lower part of the rotating shaft is fixedly connected to the stirring blade, the stirring blade is used to stir the material evenly, the power supply is connected to the PLC board b, and the PLC board b is respectively connected to the driving motor, the controller and the power switch, and the controller is used to control the speed of the driving motor.

[0007] Preferably: in order to achieve a better fixing effect, a group of limiting columns are provided around the circular cup hole on the left side, a threaded hole is provided in the middle of the limiting column, and the threaded hole is threadedly connected to the fixing bolt. The upper part of the sample cup a is square and the lower part is cylindrical, wherein a group of through holes are provided on the upper part of the sample cup a, the positions of the through holes correspond to the limiting columns, and the limiting columns are sleeved in the through holes.

[0008] Preferably, the materials of the sample cup a and the sample cup b are both stainless steel.

[0009] The method for using the above device comprises the following steps:

[0010] (1) Pour enough water into the liquid inlet pipe, with the water level 1.5-2.5 cm above the heating tank. Seal the liquid inlet pipe with sealing joint a.

[0011] (2) Turn on the power switch a, set the control temperature through the parameter setting key, and then turn on the circulation heating button to perform circulation heating;

[0012] (3) Wait 20-30 minutes for the water temperature in the heating tank to reach the set temperature;

[0013] (4) Add a certain amount of resin to the sample cup a, then place the sample cup a into the circular cup hole on the left and insert the limiting post into the through hole to form a preliminary fixation, and then fix it to the limiting post with a fixing bolt;

[0014] (5) Add a certain amount of silicon powder to the sample cup b, and then place the sample cup b into the circular cup hole on the right;

[0015] (6) Adjust the lifting nut of the stirring mechanism and place the stirring blade into the sample cup a on the left side, with the stirring blade about 2-4 cm above the bottom of the cup; let it stand at a constant temperature for 0-1 hour.

[0016] (7) Control the driving motor to stir at a low speed, turn on the power switch b to start stirring;

[0017] (8) Take out the sampling cup b on the right and slowly pour the silicon powder into the sample cup a on the left;

[0018] (9) Adjust the speed knob of the driving motor to high-speed stirring and stir the sample cup a for a certain period of time;

[0019] (10) Let the sample stand for a certain period of time to allow the gas to be discharged, and the sample preparation is completed.

[0020] Preferably: in step 2, the control temperature is set to 40-60°C;

[0021] Preferably: in step 4, the quantitative amount of resin added is 80-120 g;

[0022] Preferably: in step 5, a quantitative amount of silicon micropowder is added of 100-250 g;

[0023] Preferably, in step 8, the constant temperature standing time is 30 minutes.

[0024] Compared with the prior art, the beneficial effects of the present invention are: the preparation device of the present invention can preheat the silicon micropowder and resin in a constant temperature water tank at the same time, and through the design of the limiting device and the shape of the sample cup, the resin and silicon micropowder can be automatically stirred and mixed under a constant temperature state, and the mixing effect is more thorough and controlled. It is easy to use and the steps are simple. It eliminates human errors and environmental influences in the sample preparation process, improves the accuracy of sample preparation, and reduces the labor intensity of the testers. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is the internal structure diagram of the present invention;

[0026] Figure 2 It is the front view of the present invention;

[0027] Figure 3 This is a diagram of the internal structure of the present invention (without the sample cup);

[0028] Figure 4 A top view of the present invention;

[0029] Figure 5 It is a top view of the present invention (without the support frame);

[0030] Figure 6 This is a structural diagram of the sample cup of the present invention;

[0031] Figure 7 This is a structural diagram of the connection between the limiting column and the fixing bolt of the present invention. DETAILED DESCRIPTION

[0032] Example 1

[0033] like Figure 1 As shown:

[0034] A silicon micropowder viscosity test sample preparation device includes a heating tank 1, a controller 10, a sample cup a8, and a sample cup b9. The upper portion of the heating tank 1 is provided with a liquid inlet pipe 1-1, the lower portion of the heating tank 1 is provided with a liquid outlet pipe 1-2, the liquid inlet pipe 1-1 is provided with a sealing joint a1-1-1, the liquid outlet pipe 1-2 is provided with a sealing joint b1-2-1, an electric heating wire 2 is provided in the heating tank 1, the controller 10 is provided with a display 10-6, an actual value display 10-7, a power switch a10-3, a circulating heating button 10-4, and a parameter setting key 10-5, and a PLC board a10-1 is provided inside the controller 10. The PLC board a10-1 is connected to the display 10-6, the actual value display 10-7, the power switch a10-3, the circulating heating button 10-4, and the parameter setting key 10-5 through a circuit.

[0035] A fixed bracket 3 is provided above the heating tank 1, and a fixing part 5 is provided on the fixed bracket 3. One end of the fixing part 5 is sleeved on the fixed bracket 3, and the other end is connected to the stirring mechanism. A lifting nut 4 is provided on the fixing part 5. Two circular cup holes 1-4 are provided above the heating tank 1, and sample cup a8 and sample cup b9 are placed in the circular cup holes 1-4. A sensor housing 1-3 is provided on the upper part of the heating tank 1, and a temperature sensor 10-8 is provided in the sensor housing 1-3. The temperature sensor 10-8 is connected to the PLC board a10-1.

[0036] The stirring mechanism includes a shell 6, which is provided with a display screen 6-1 and a power switch b6-2. A power supply 6-3 and a PLC board b6-4 are provided in the shell 6. A driving motor 6-5 is provided at the lower part of the shell 6. The output shaft of the driving motor 6-5 is fixedly connected to the rotating shaft 6-6. The lower part of the rotating shaft 6-6 is fixedly connected to the stirring blade 6-7. The power supply 6-3 is connected to the PLC board b6-4, and the PLC board b6-4 is respectively connected to the driving motor 6-5, the display screen 6-1 and the power switch 6-2.

[0037] A group of limiting columns 11 are provided around the circular cup hole 1-4 on the left side. A threaded hole is provided in the middle of the limiting column 11, and the threaded hole is threadedly connected to the fixing bolt 12. The upper part of the sample cup a8 is square 8-2, and the lower part is cylindrical 8-1. A group of through holes 8-2-1 are provided on the upper part of the sample cup a8. The position of the through holes 8-2-1 corresponds to the limiting column 11, and the limiting column 11 is sleeved in the through holes 8-2-1.

[0038] The sample cups a8 and b9 are both made of stainless steel. The working principle of the present invention is as follows: a sufficient amount of water is injected into the liquid inlet pipe 1-1, and the water level is 1.5-2.5 cm above the heating tank 1. At this time, the liquid inlet pipe 1-1 is sealed with the sealing joint a1-1-1; the power switch a10-3 is turned on, and the control temperature is set to 40-60°C using the parameter setting key 10-5, and then the cycle heating button 10-4 is turned on to heat; wait for 20-30 minutes for the water temperature in the heating tank 1 to reach the set temperature; add 80-120g of resin to the sample cup a8, and then place the sample cup a8 into the circular cup hole on the left side and insert the limit column 11 into the through hole 8-2-1 to form a preliminary fixation, and then fix it with the fixing screw. The bolt 12 is fixedly connected to the limiting column 11; a certain amount of silicon micropowder is added to the sample cup b9, the silicon micropowder is 100-250 grams, and then the sample cup b9 is placed in the circular cup hole on the right; the lifting nut 4 of the stirring mechanism is adjusted, and the stirring blade 6-7 is placed in the sample cup a7 on the left, and the stirring blade 6-7 is located about 2-4 cm above the bottom of the cup; the mixture is allowed to stand at a constant temperature for half an hour, the drive motor 6-5 is controlled to stir at a low speed, and the power switch b6-2 is turned on to start stirring; the sampling cup b9 on the right is taken out, and the silicon micropowder is slowly poured into the sample cup a8 on the left; the drive motor speed knob is adjusted to high-speed stirring to stir the sample cup a8 for a certain time; the mixture is allowed to stand for a certain time to allow the sample to exhaust, and the sample preparation is completed.

[0039] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. A silicon micropowder viscosity test sample preparation device, comprising a heating tank (1), a controller (10), a sample cup a (8) and a sample cup b (9), wherein the upper portion of the heating tank (1) is provided with a liquid inlet pipe (1-1), the lower portion of the heating tank (1) is provided with a liquid outlet pipe (1-2), the liquid inlet pipe (1-1) is provided with a sealing joint a (1-1-1), the liquid outlet pipe (1-2) is provided with a sealing joint b (1-2-1), an electric heating wire (2) is provided in the heating tank (1), and the The controller (10) is provided with a display (10-6), an actual value display (10-7), a power switch a (10-3), a circulation heating button (10-4) and a parameter setting key (10-5). A PLC board a (10-1) is provided inside the controller (10). The PLC board a (10-1) is connected to the display (10-6), the actual value display (10-7), the power switch a (10-3), the circulation heating button (10-4) and the parameter setting key (10-5) via a circuit. It is characterized by: A fixing bracket (3) is provided above the heating tank (1), a fixing member (5) is provided on the fixing bracket (3), one end of the fixing member (5) is sleeved on the fixing bracket (3), and the other end is connected to the stirring mechanism, a lifting nut (4) is provided on the fixing member (5), two circular cup holes (1-4) are provided above the heating tank (1), sample cup a (8) and sample cup b (9) are placed in the circular cup holes (1-4), a sensor housing (1-3) is provided on the upper part of the heating tank (1), a temperature sensor (10-8) is provided in the sensor housing (1-3), and the temperature sensor (10-8) is connected to the PLC board a (10-1).

2. A silicon micropowder viscosity test sample preparation device according to claim 1, characterized in that: The stirring mechanism includes a shell (6), a display screen (6-1) and a power switch b (6-2) are provided on the shell (6), a power supply (6-3) and a PLC board b (6-4) are provided in the shell (6), a driving motor (6-5) is provided at the lower part of the shell (6), an output shaft of the driving motor (6-5) is fixedly connected to a rotating shaft (6-6), a lower part of the rotating shaft (6-6) is fixedly connected to a stirring blade (6-7), the power supply (6-3) is connected to the PLC board b (6-4), and the PLC board b (6-4) is respectively connected to the driving motor (6-5), the display screen (6-1) and the power switch b (6-2).

3. A silicon micropowder viscosity test sample preparation device according to claim 1, characterized in that: A group of limiting columns (11) are provided around the circular cup hole (1-4) on the left side, a threaded hole is provided in the middle of the limiting column (11), and the threaded hole is threadedly connected to the fixing bolt (12). The upper part of the sample cup a (8) is square (8-2) and the lower part is cylindrical (8-1), wherein a group of through holes (8-2-1) are provided on the upper part of the sample cup a (8), the position of the through holes (8-2-1) corresponds to the limiting column (11), and the limiting column (11) is sleeved in the through holes (8-2-1).

4. A silicon micropowder viscosity test sample preparation device according to claim 1, characterized in that: The sample cup a (8) and the sample cup b (9) are both made of stainless steel.

5. A method for using the device for preparing a silicon micropowder viscosity test sample according to any one of claims 1 to 4, comprising the following steps: (1) Pour enough water into the liquid inlet pipe (1-1) until the water level is 1.5 to 2.5 cm above the heating tank (1). Seal the liquid inlet pipe (1-1) with the sealing joint a (1-1-1); (2) Turn on the power switch a (10-3), set the control temperature through the parameter setting key (10-5), and then turn on the circulation heating button (10-4); (3) Wait for 20-30 minutes until the water temperature in the heating tank (1) reaches the set temperature; (4) Add a certain amount of resin to the sample cup a (8), then place the sample cup a (8) into the circular cup hole on the left and insert the limiting column (11) into the through hole (8-2-1) to form a preliminary fixation, and then fix it to the limiting column (11) through the fixing bolt (12); (5) Add a certain amount of silicon powder to the sample cup b (9), and then place the sample cup b (9) into the circular cup hole on the right; (6) Adjust the lifting nut (4) of the stirring mechanism and place the stirring blade (6-7) into the left sample cup a (7). The stirring blade (6-7) is 2-4 cm above the bottom of the cup; (7) Keep at constant temperature for 0-1 hour, (8) Control the drive motor (6-5) to stir at a low speed, and turn on the power switch b (6-2) to start stirring; (9) Take out the sample cup b (9) on the right and slowly pour the silicon powder into the sample cup a (8) on the left; (10) Adjust the speed knob of the driving motor to high speed stirring and stir the sample cup a (8) for a certain period of time; (11) Let the sample stand for a certain period of time to allow the gas to be discharged, and the sample preparation is completed.

6. The method for using the silicon micropowder viscosity test sample preparation device according to claim 5, characterized in that: In the step (2), the control temperature is set to 40-60°C.

7. The method for using the device for preparing a silicon micropowder viscosity test sample according to claim 5, characterized in that: In step (4), a quantitative amount of 80-120 g of resin is added.

8. The method for using the device for preparing a silicon micropowder viscosity test sample according to claim 5, characterized in that: In step (5), a quantitative amount of 100-250 g of silicon micropowder is added.

9. The method for using the device for preparing a silicon micropowder viscosity test sample according to claim 5, characterized in that: In step (8), the mixture is kept at a constant temperature for a certain period of time of 30 minutes.

Images