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Manufacturing method of automatic proportioning and mixing device for centrifugal casting FRP pipe


source:[Gravimetric blender]   release time:2021-04-09 16:10:50




The proportioning and mixing process of FRP pipes is one of the most important links in the pipeline production process. The accuracy of the proportioning and measuring determines the quality of the product. At present, the proportioning operations are mainly manual and mechanical operations. The job is to weigh various raw materials one by one and pour them into the mixer for mixing and mixing, but it is difficult to grasp the ratio of various raw materials, and the work efficiency is low, the labor intensity is high, and the automatic proportioning cannot be realized, and the mechanical work efficiency is high. It can realize automatic proportioning, but it is still unable to completely accurately control the proportion of various raw materials, which affects product quality.
Technical realization elements:
The utility model provides an automatic proportioning and mixing device for centrifugal cast FRP pipes, which overcomes the above-mentioned shortcomings of the prior art, and can effectively solve the problem that various raw materials cannot be accurately proportioned in the automatic proportioning and mixing process.
The technical scheme of the utility model is realized by the following measures: a centrifugal cast glass fiber reinforced plastic pipe automatic proportioning and mixing device, including at least two sets of raw material weighing and proportioning devices; each set of raw material proportioning devices includes a raw material warehouse and an electric valve , Metering device, signal control terminal device, load cell, feeding pipe and raw material mixing device; the lower end of the raw material silo is equipped with a discharge port, the discharge port is fixedly installed with an electric valve, and the lower end of the electric valve is fixedly installed with a metering device and a metering device A load cell is installed at the lower end. The signal output end of the load cell is electrically connected to the signal input end of the signal control terminal device through a signal line, and the signal output end of the signal control terminal device is electrically connected to the signal input end of the electric valve through a signal line. Each set of measurement The raw material output port at the lower end of the right part of the device is communicated with the raw material input port of the raw material mixing device through a feed pipe.
The following is the further optimization or/and improvement of the above-mentioned utility model technical scheme:
The above-mentioned metering device includes a metering warehouse, a first drive motor and a metering warehouse auger shaft; the upper end of the metering warehouse is fixedly installed with the lower end of the electric valve, and the metering warehouse auger shaft is fixed horizontally in the lower part of the metering warehouse. A drive motor, the metering bin auger shaft and the power output shaft of the first drive motor are fixedly connected together, and the metering bin raw material output port at the right end of the metering bin auger shaft is connected with the raw material input port of the raw material mixing device.
The above-mentioned raw material mixing device includes a raw material mixing bin, a second drive motor and a raw material mixing bin auger shaft; the upper raw material input port of the raw material mixing bin is connected with the feed pipe, and the raw material mixing bin auger shaft is fixed horizontally in the lower part of the raw material mixing bin, A second drive motor is fixedly installed on the raw material mixing bin, and the auger shaft of the raw material mixing bin is fixedly connected with the power output shaft of the second drive motor.
The utility model is simple in structure and convenient to operate; during the batching, the weight signal fed back by the weighing sensor is compared and analyzed with the weight value set in the signal control terminal device to control the opening of the electric valve; this can effectively ensure the mixing of the raw materials Weight, so as to achieve the purpose of precise proportioning.

Main view structure of the best embodiment of the utility model

In the drawings: 1 raw material warehouse, 2 electric valves, 3 metering warehouse, 4 signal control terminal device, 5 first drive motor, 6 metering warehouse screw shaft, 7 load cell, 8 feeding pipe, 9 raw material mixing warehouse, 10 second drive motor, 11 raw material mixing bin auger shaft.
Detailed ways
The present utility model is not limited by the following embodiments, and the specific implementation mode can be determined according to the technical scheme and actual situation of the present utility model.
In the present utility model, for the convenience of description, the description of the relative positional relationship of each component, such as the positional relationship of up, down, left, right, front, and back, is determined according to the layout direction of FIG. 1 in the accompanying drawings of the specification.
The following examples will further describe the utility model:
As shown in Figure 1, a centrifugal cast glass fiber reinforced plastic pipe automatic proportioning and mixing device includes at least two sets of raw material weighing and proportioning devices; each set of raw material proportioning devices includes a raw material warehouse 1, an electric valve 2, a metering device, and a signal Control terminal device 4, weighing sensor 7, feeding pipe 8 and raw material mixing device; the lower end of the raw material warehouse 1 is equipped with a discharge port, the discharge port is fixedly installed with an electric valve 2, and the lower end of the electric valve 2 is fixedly installed with a metering device for measuring A load cell 7 is installed at the lower end of the device. The signal output end of the load cell 7 is electrically connected to the signal input end of the signal control terminal device 4 through a signal line, and the signal output end of the signal control terminal device 4 is connected to the signal input end of the electric valve 2 through a signal line. Electrically connected, the raw material output port at the lower right end of each set of metering device is communicated with the raw material input port of the raw material mixing device through the feed pipe 8.
Among them, the weighing sensor 7, the signal control terminal device 4, and the electric valve 2 all adopt existing well-known technologies; when in use, a variety of raw materials that need to be proportioned are put into the designated raw material warehouse 1, and the electric valve 2 is opened to make the raw materials Flow to the lower part of the metering device, while the weight of the raw material is transmitted to the signal control terminal device 4 through the load cell 7 in a signal manner. When the weight value set in the signal control terminal device 4 in advance is the same as the signal value transmitted by the load cell 7, The signal control terminal device 4 transmits a signal to the electric valve 2 to close the electric valve 2 to complete the proportioning operation, and then flow into the raw material mixing device through the feeding pipe 8 for mixing and stirring, and complete the mixing operation; it has precise control of the raw material proportioning And the effect of mixing well.
According to actual needs, the above-mentioned centrifugal cast FRP pipe automatic proportioning and mixing device can be further optimized or/and improved:
The metering device includes a metering warehouse 3, a first drive motor 5, and a metering warehouse auger shaft 6; the upper end of the metering warehouse 3 is fixedly installed with the lower end of the electric valve 2, and a metering warehouse auger shaft 6 is fixed horizontally in the lower part of the metering warehouse 3, measuring The first drive motor 5 is fixedly installed on the bin 3, the metering bin auger shaft 6 and the power output shaft of the first drive motor 5 are fixedly connected together, the metering bin 3 at the right end of the metering bin auger shaft 6 is mixed with the raw materials The raw material input port of the device is connected. When in use, the first drive motor 5 is activated to drive the metering bin auger shaft 6 to rotate, so that the raw material in the metering bin 3 is transferred to the right. The metering bin auger shaft 6 has a simple structure and a rapid transmission effect.
As shown in Figure 1, the raw material mixing device includes a raw material mixing bin 9, a second drive motor 10, and a raw material mixing bin auger shaft 11; the upper raw material input port of the raw material mixing bin 9 is connected to the feed pipe 8, and the lower part of the raw material mixing bin 9 A raw material mixing bin auger shaft 11 is fixedly installed horizontally, and a second drive motor 10 is fixedly installed on the raw material mixing bin 9. The raw material mixing bin auger shaft 11 and the power output shaft of the second drive motor 10 are fixedly connected together. When in use, the second driving motor 10 is started to drive the raw material mixing bin auger shaft 11 to rotate, so that the raw material is output from the lower end of the mixing bin 9, wherein the raw material mixing bin auger shaft 11 has a simple structure and rapid transmission effect.
The above technical features constitute the best embodiment of the present invention, which has strong adaptability and best implementation effect. Non-essential technical features can be increased or decreased according to actual needs to meet the needs of different situations.[Gravimetric blender]