CN106885754A - One kind automation powder total moisture measurement apparatus and method - Google Patents

Abstract

The invention discloses an automatic powder material total moisture measuring device and method. The measuring device includes a support frame, a heating module, a weighing module and a cloth discharging module, wherein the weighing module includes a material holding tray and a Several pressure sensors under the tray, the tray is set on the support frame, the heating module is set in conjunction with the tray, and the cloth discharge module includes a vertically installed stirring shaft and a driving device , the driving device drives the stirring shaft to rotate, the bottom of the stirring shaft is provided with several distributing plates, and the top of the storage tray is provided with a material inlet and a material outlet. The above-mentioned automatic powder material total moisture measuring device and method can realize uniform distribution of powder material, automatic heating and temperature control, real-time weighing, and automatic material discharge at the same time. It not only has a high degree of automation, saves manpower, and improves measurement efficiency; but also has small errors, which ensures the accuracy of measurement data.

Description

An automatic powder material total moisture measurement device and method

technical field

The invention belongs to powder material moisture measurement technology, in particular to an automatic powder material total moisture measurement device and method.

Background technique

The total moisture measuring device is a measuring instrument used in industrial production work. It is mainly composed of a heating device and a weighing device, which can measure the total water content of the powder.

In traditional total moisture measurement devices, most of the powders need to be weighed manually, and then the weighed powders are manually put into the drying box, heated for a certain period of time, and then the powders are taken out for weighing, and then carried out Detective weighing, until the mass of dry powder decreases by no more than 0.01g or increases for two consecutive times, and finally the weighed powder is poured manually. The heating and drying, weighing and feeding and discharging links of this measurement method are separated, and the degree of automation is low. There are disadvantages such as low measurement efficiency, high labor cost and large measurement error.

Contents of the invention

The purpose of the present invention is to provide an automatic powder total moisture measurement device, which can realize automatic heating and drying, weighing and feeding and discharging, so as to solve the above-mentioned problems existing in the powder material total moisture measurement device in the prior art.

Another object of the present invention is to provide an automatic method for measuring the total moisture of powder, which has the characteristics of high measurement efficiency and high measurement accuracy, so as to solve the above-mentioned problems existing in the method for measuring the total moisture of powder in the prior art.

For reaching this purpose, the present invention adopts following technical scheme:

An automatic powder material total moisture measurement device, which includes a support frame, a heating module, a weighing module and a cloth discharge module, wherein the weighing module includes a storage tray and several pressure sensors arranged under the storage tray , the charging tray is arranged on the support frame, the heating module is arranged in cooperation with the charging tray, the cloth discharging module includes a vertically installed stirring shaft and a driving device, and the driving device drives the stirring shaft Rotate, the bottom of the stirring shaft is provided with several distributing plates, and the top of the storage tray is provided with a feed port and a discharge port.

In particular, the heating module includes an upper heating module and a lower heating module, the upper heating module is arranged on the support frame and is located above the holding tray, and the lower heating module is arranged on the support frame and is located Below the serving tray.

In particular, the upper heating module includes a lamp installation frame, an infrared lamp, an upper support frame and a first temperature sensor, the upper support frame is fixed on the support frame above the holding tray, and the feeding port It is arranged on the upper support frame, the lamp tube installation frame is fastened to the upper support frame, the infrared lamp tube is arranged horizontally and connected with the lamp tube installation frame, and the first temperature sensor is vertically arranged and connected to the upper support frame. The support frame is firmly connected.

In particular, the lower heating module includes a lower support frame, an electric heating wire and a second temperature sensor; the lower support frame is fixed on the support frame below the holding tray; the electric heating wire is horizontally arranged in the lower support frame ; The second temperature sensor is vertically arranged and firmly connected with the lower support frame.

In particular, the stirring shaft adopts a hollow shaft, on which a central hole serving as a discharge port and a ventilation hole is arranged, and a discharge suction device is connected to the stirring shaft.

In particular, ventilation holes are opened on the side wall of the holding tray.

In particular, the drive device includes a drive motor, a reducer, a first pulley, a synchronous belt and a second pulley, the drive motor is arranged horizontally and is firmly connected with the reducer; the reducer is fixed on the On the support frame, the first pulley is arranged horizontally and connected with the reducer through a key; the second pulley is arranged horizontally and connected with the stirring shaft through a key, and the synchronous belt is arranged horizontally to connect the first pulley and the second with wheels.

In particular, the several pressure sensors are arranged on the same horizontal workbench, and are fastened to the workbench by bolts.

A method for measuring the total moisture content of automatic powder, which comprises the following steps:

1) Put the moisture-containing powder into the feeding tray through the feeding port, the heating device heats the moisture-containing powder, drives the motor to drive the stirring shaft to rotate, and the stirring shaft will enter the moisture-containing powder into the feeding tray Arranged evenly, the airflow enters the material tray through the stirring shaft, which is used for the ventilation of the moisture-containing powder, while the pressure sensor performs real-time automatic weighing, and the temperature sensor controls the heating temperature in real time to ensure a constant heating temperature;

2) After the weighing value is stable, the dried powder is pumped out through the stirring shaft.

In particular, the step 1) adopts the method of heating the moisture-containing powder up and down simultaneously, using an infrared lamp to heat the upper part of the moisture-containing powder, and using an electric heating wire to heat the lower part of the moisture-containing powder.

The beneficial effect of the present invention is that, compared with the prior art, the automatic powder material moisture measuring device and method can realize uniform distribution of powder material, automatic heating and temperature control, real-time weighing, and automatic material discharge at the same time. It not only has a high degree of automation, saves manpower, and improves measurement efficiency; but also has small errors, which ensures the accuracy of measurement data.

Description of drawings

Fig. 1 is the schematic diagram of the three-dimensional structure of the automatic powder material total moisture measuring device provided in Embodiment 1 of the present invention;

Fig. 2 is a schematic structural view of the upper heating module of the automatic powder total moisture measuring device provided in Embodiment 1 of the present invention;

Fig. 3 is a schematic structural view of the lower heating module of the automatic powder total moisture measuring device provided in Embodiment 1 of the present invention;

Fig. 4 is the schematic structural view of the weighing module of the automatic powder material total moisture measuring device provided in Embodiment 1 of the present invention;

Fig. 5 is a schematic structural view of the cloth discharging module of the automatic powder total moisture measuring device provided in Embodiment 1 of the present invention.

detailed description

The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and through specific implementation methods.

Please refer to Fig. 1 to Fig. 4, in this embodiment, a kind of automatic powder material total moisture measuring device comprises support frame 1, upper heating module, weighing module, lower heating module and cloth discharge module, described weighing The module includes a storage tray 2 and several pressure sensors 3 arranged under the storage tray 2. The several pressure sensors 3 are arranged on the same horizontal workbench and are fastened to the workbench by bolts. The storage tray 2 is arranged on the support frame 1, and a square ventilation hole 4 is opened on the side wall of the storage tray 2, and the upper heating module is arranged on the support frame 1 and is located in the container. Above the tray 2, it includes a lamp installation frame 5, an infrared lamp 6, an upper support frame 7 and a first temperature sensor 8, and the upper support frame 7 is fixed on the support frame 1 above the storage tray 2 , the upper support frame 7 is provided with a feeding port 9, the lamp tube installation frame 5 is tightly connected with the upper support frame 7, the infrared lamp tube 6 is arranged horizontally and connected with the lamp tube installation frame 5, the The first temperature sensor 8 is vertically arranged and firmly connected with the upper support frame 7 .

The lower heating module is arranged on the support frame 1 and is located below the holding tray 2, which includes a lower support frame 10, a heating wire 11 and a second temperature sensor 12; the lower support frame 10 is fixed on the holding tray 2 on the lower support frame 1; the heating wire 11 is horizontally arranged in the lower support frame 10; the second temperature sensor 12 is vertically arranged and firmly connected with the lower support frame 10.

Described cloth discharging module comprises vertically installed agitating shaft 13 and drive unit, and described drive unit comprises drive motor 14, speed reducer 15, first pulley 16, synchronous belt 17 and second pulley 18, and described drive The motor 14 is arranged horizontally and firmly connected with the reducer 15; the reducer 15 is fixed on the upper support frame 7, the first pulley 16 is arranged horizontally and connected with the reducer 15 through a key; the second The pulley 18 is arranged horizontally and connected with the stirring shaft 13 through a key, and the synchronous belt 17 is arranged horizontally to connect the first pulley 16 and the second pulley 18 .

The stirring shaft 13 adopts a hollow shaft, on which is provided with a central hole 19 as a discharge port and a ventilation hole, the stirring shaft 13 is connected with a discharge suction device, and the bottom of the stirring shaft 13 is provided with several Cloth board 20 for uniform cloth.

During work, the moisture-containing powder enters into the feeding tray 2 through the feed port 9, the infrared lamp 6 and the heating wire 11 heat the moisture-containing powder, the driving motor 14 drives the stirring shaft 13 to rotate, and the stirring shaft 13 Evenly arrange the moisture-containing powder entering the pan 2, and the air flow enters the pan 2 through the stirring shaft 13 for ventilation of the moisture-containing powder, and at the same time, the pressure sensor 3 performs real-time automatic weighing; the first temperature The sensor 8 and the second temperature sensor 12 control the heating temperature in real time to ensure a constant heating temperature; after the weighing value is stable, the dried powder is sucked out through the central hole 19 of the stirring shaft 13 .

The above embodiments have only set forth the basic principles and characteristics of the present invention, the present invention is not limited by the above-mentioned examples, and on the premise of not departing from the spirit and scope of the present invention, the present invention also has various changes and changes, and these changes and changes all fall within the scope of the claimed invention. The protection scope of the present invention is defined by the appended claims and their equivalents.

Claims (10)

1. a kind of to automate powder total moisture measurement apparatus, it includes support frame, heating module, Weighing module and cloth discharging mode Block, it is characterised in that the Weighing module includes material holding tray and several pressure sensors being arranged at below material holding tray, described Material holding tray is arranged on support frame as described above, and the heating module coordinates the material holding tray to set, and the cloth material discharging module includes Vertically-mounted agitating shaft and drive device, the drive device drive agitating shaft to rotate, and the bottom of the agitating shaft is provided with Several drapery panels, the material holding tray top is provided with charging aperture and discharging opening.

2. it is according to claim 1 to automate powder total moisture measurement apparatus, it is characterised in that the heating module includes Upper heating module and lower heating module, the upper heating module are arranged on support frame as described above and positioned at the top of material holding tray, institute Lower heating module is stated to be arranged on support frame as described above and positioned at the lower section of material holding tray.

3. it is according to claim 2 to automate powder total moisture measurement apparatus, it is characterised in that the upper heating module bag Lamp tube installation rack, infrared lamp, upper support frame and the first temperature sensor are included, the upper support frame is fixed on the material holding tray On the support frame of side, the charging aperture is arranged on the upper support frame, and the lamp tube installation rack is fastenedly connected with upper support frame, The infrared lamp is horizontally disposed and is connected with lamp tube installation rack, and first temperature sensor is arranged and and upper support frame vertically It is fastenedly connected.

4. it is according to claim 2 to automate powder total moisture measurement apparatus, it is characterised in that the lower heating module bag Include lower bracing frame, heating wire and second temperature sensor；On the support frame that the lower bracing frame is fixed on below material holding tray；It is described Heating wire is horizontally disposed in the lower bracing frame；The second temperature sensor is arranged and fastened with lower bracing frame and connects vertically Connect.

5. it is according to claim 1 to automate powder total moisture measurement apparatus, it is characterised in that the agitating shaft is using empty Heart axle, is provided with the centre bore as discharging opening and air vent, and discharging aspirator is connected with the agitating shaft.

6. it is according to claim 1 to automate powder total moisture measurement apparatus, it is characterised in that the side wall of the material holding tray On offer air vent.

7. it is according to claim 3 to automate powder total moisture measurement apparatus, it is characterised in that the drive device includes Motor, decelerator, the first belt wheel, Timing Belt and the second belt wheel, the motor is horizontally disposed and is fastened with decelerator Connection；The decelerator is fixed on the upper support frame, and first belt wheel is horizontally disposed and is connect by being bonded with decelerator； Second belt wheel is horizontally disposed and is connect by being bonded with agitating shaft, horizontally disposed connection the first belt wheel and second of Timing Belt Belt wheel.

8. it is according to claim 1 to automate powder total moisture measurement apparatus, it is characterised in that described several pressure are passed Sensor is arranged on same level workbench, and is fastenedly connected with workbench by bolt.

9. it is a kind of to automate powder total moisture measuring method, it is characterised in that it is comprised the following steps：

1) powder of moisture content is entered into material holding tray by charging aperture, heater is heated to the powder of moisture content, Motor drives agitating shaft rotation, and be evenly arranged for the powder for entering the moisture content of material holding tray by agitating shaft, and air-flow is by stirring Axle enters material holding tray, for the ventilation of the powder of moisture content, while pressure sensor carries out real-time automatic weighing, temperature sensor Real-time control is carried out to heating-up temperature, it is ensured that heating-up temperature is constant；

2) after weighing numerical stability, dried powder is aspirated by agitating shaft and discharged.

10. it is according to claim 1 to automate powder total moisture measuring method, it is characterised in that the step 1) use Powder to moisture content carries out up and down the mode of heating simultaneously, is heated using infrared lamp on the powder top of moisture content, is containing The powder bottom of moisture uses electric-heating-wire-heating.