A ceramsite sand raw material weighing device

Abstract

The utility model relates to a weighing device for ceramsite sand raw materials, comprising a bracket, an outer cylinder is fixedly provided on the bracket, a metering inner cylinder is coaxially provided inside the outer cylinder, a compression spring is fixedly provided between a pressure ring and an annular pressure sensor, a PLC control device electrically connected to the annular pressure sensor is provided on one side of the bracket, a water inlet pipe is fixedly provided on the bottom plate of a hollow bottom ring, when weighing, by adding ceramsite sand raw materials into the metering inner cylinder, the metering inner cylinder begins to move in the direction of compressing the compression spring along a hollow guide rod due to the load, and a pressure signal can be input into a PCL control device in real time through the annular pressure sensor, so that the staff can understand the feeding situation in real time; after weighing, clean water can be added to the hollow bottom ring through a high-pressure water pump, and the water can be evenly cleaned from bottom to top into the hollow guide rod, and finally a high-pressure water flow is ejected from a nozzle toward the inner wall of the metering inner cylinder, so as to efficiently clean the inner wall of the metering inner cylinder, saving time and labor.

Description

Technical Field

[0001] The utility model relates to the field of ceramsite sand, in particular to a ceramsite sand raw material weighing device. Background Art

[0002] Ceramic sand, as the name implies, is ceramic particles. The finer ones are called sand, also known as oil fracturing proppant. Most of the appearance features are round or elliptical spheres, but some imitation gravel ceramsite is irregular gravel. The appearance color of ceramsite varies depending on the raw materials and processes used. The color of roasted ceramsite is mostly dark red and ochre red, and there are also some special varieties that are grayish yellow, grayish white, and blue-gray. The raw materials of ceramsite sand need to be weighed before stirring to avoid excessive or insufficient addition of raw materials. However, the existing weighing device for ceramsite sand raw materials cannot quickly clean the impurities on the inner wall of the metering inner cylinder after weighing, which is time-consuming and labor-intensive and urgently needs to be improved. Utility Model Content

[0003] The utility model aims to provide a ceramsite sand raw material weighing device, which is used to solve the problem that the existing ceramsite sand raw material weighing device cannot quickly clean the inner wall of the measuring inner cylinder after weighing.

[0004] In order to solve the above problems, the present invention provides a weighing device for ceramsite sand raw materials, comprising a bracket, an outer cylinder is fixedly provided on the bracket, a metering inner cylinder is coaxially provided in the outer cylinder, a hollow bottom ring is fixedly provided at the bottom end of the outer cylinder, a discharge pipe of the metering inner cylinder passes through the hollow bottom ring and extends downward, a plurality of hollow guide rods connected with the inner cavity of the hollow bottom ring are arranged around the central axis of the hollow bottom ring on the top of the hollow bottom ring, a supporting ring is fixedly provided on the inner wall of the outer cylinder, an annular pressure sensor is fixedly provided on the top of the supporting ring, a pressing ring is fixedly provided on the outer wall of the metering inner cylinder, a plurality of guide holes cooperating with the hollow guide rods are opened on the pressing ring, a compression spring is fixedly provided between the pressing ring and the annular pressure sensor, a nozzle is obliquely provided on the upper side wall of the hollow guide rod facing the inner wall of the metering inner cylinder, a PLC control device electrically connected to the annular pressure sensor is provided on one side of the bracket, and a water inlet pipe is fixedly provided on the bottom plate of the hollow bottom ring.

[0005] The utility model provides a ceramsite sand raw material weighing device, which also has the following technical features:

[0006] Furthermore, a cover plate is hingedly provided at the top end of the outer cylinder, and a handle is provided at the top of the cover plate.

[0007] Furthermore, the spacing distance between the inner wall of the outer cylinder and the outer wall of the metering inner cylinder is 10-15 mm.

[0008] Furthermore, the spacing distance between the outer wall of the pressure ring and the inner wall of the outer cylinder is 1-2 mm.

[0009] Furthermore, a supporting flange is fixedly provided on the outer wall of the outer cylinder, and the supporting flange is fixedly connected to the top wall of the bracket.

[0010] Furthermore, one end of the water inlet pipe is connected to a high-pressure water pump through a pipeline.

[0011] Furthermore, a discharge valve is connected to one side of the discharge pipe.

[0012] The utility model has the following beneficial effects: during weighing, by adding ceramsite sand raw material into the metering inner cylinder, the metering inner cylinder begins to move along the hollow guide rod in the direction of compressing the compression spring due to the load, and the pressure signal can be input into the PCL control device in real time through the annular pressure sensor, so that the staff can understand the feeding situation in real time; after weighing, the clean water can be added to the hollow bottom ring through the high-pressure water pump, and the water can be evenly entered into the hollow guide rod from bottom to top for cleaning, and finally the high-pressure water flow is ejected from the nozzle toward the inner wall of the metering inner cylinder, so as to efficiently clean the inner wall of the metering inner cylinder, saving time and effort. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the ceramsite sand raw material weighing device;

[0014] Figure 2 for Figure 1 A schematic diagram of the enlarged local structure at point A in the middle. DETAILED DESCRIPTION

[0015] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments. It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0016] like Figure 1 to Figure 2In one embodiment of the ceramsite sand raw material weighing device of the utility model shown in the figure, it includes a bracket 1, an outer cylinder 2 is fixedly provided on the bracket 1, a metering inner cylinder 3 is coaxially provided inside the outer cylinder 2, a hollow bottom ring 4 is fixedly provided at the bottom end of the outer cylinder 2, a discharge pipe 31 of the metering inner cylinder 3 penetrates the hollow bottom ring 4 and extends downward, a plurality of hollow guide rods 5 connected with the inner cavity of the hollow bottom ring 4 are arranged around the central axis of the hollow bottom ring 4 on the top of the hollow bottom ring 4, a support ring 6 is fixedly provided on the inner wall of the outer cylinder 2, an annular pressure sensor 7 is fixedly provided on the top of the support ring 6, a pressing ring 8 is fixedly provided on the outer wall of the metering inner cylinder 3, a plurality of guide holes cooperating with the hollow guide rod 5 are opened on the pressing ring 8, a compression spring 9 is fixedly provided between the pressing ring 8 and the annular pressure sensor 7, and a side wall of the hollow guide rod 5 is inclined upwardly provided with a pressure sensor 7. A nozzle 10 is directed toward the inner wall of the metering inner cylinder 3, and a PLC control device 11 electrically connected to the annular pressure sensor 7 is provided on one side of the bracket 1. A water inlet pipe 41 is fixedly provided on the bottom plate of the hollow bottom ring 4. Specifically, during weighing, by adding expanded clay sand raw material into the metering inner cylinder 3, the metering inner cylinder 3 begins to move along the hollow guide rod 5 in the direction of the compression spring 9 due to the load, and the pressure signal can be input into the PLC control device 11 in real time through the annular pressure sensor 7, so that the staff can understand the feeding situation in real time; after weighing, clean water can be added to the hollow bottom ring 4 through a high-pressure water pump, and the water can be evenly cleaned from bottom to top into the hollow guide rod 5, and finally a high-pressure water flow is ejected from the nozzle 10 toward the inner wall of the metering inner cylinder 3, so as to efficiently clean the inner wall of the metering inner cylinder 3, saving time and effort.

[0017] In one embodiment of the present application, a cover plate 12 is hingedly provided at the top end of the outer cylinder 2 , and a handle 121 is provided at the top of the cover plate 12 .

[0018] In one embodiment of the present application, the spacing distance between the inner wall of the outer cylinder 2 and the outer wall of the metering inner cylinder 3 is 10-15 mm.

[0019] In one embodiment of the present application, the spacing distance between the outer wall of the pressure ring 8 and the inner wall of the outer cylinder 2 is 1-2 mm.

[0020] In one embodiment of the present application, a support flange 20 is fixedly provided on the outer wall of the outer tube 2 , and the support flange 20 is fixedly connected to the top wall of the bracket 1 .

[0021] In one embodiment of the present application, one end of the water inlet pipe 41 is connected to a high-pressure water pump through a pipeline.

[0022] In one embodiment of the present application, a discharge valve 32 is connected to one side of the discharge pipe 31. Specifically, after weighing, the discharge valve 32 can be opened to discharge the expanded clay sand raw material.

[0023] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for their core technical features. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. A ceramsite sand raw material weighing device, characterized in that: The invention comprises a bracket, an outer cylinder is fixedly provided on the bracket, a metering inner cylinder is coaxially provided in the outer cylinder, a hollow bottom ring is fixedly provided at the bottom end of the outer cylinder, a discharge pipe of the metering inner cylinder passes through the hollow bottom ring and extends downward, a plurality of hollow guide rods connected with the inner cavity of the hollow bottom ring are arranged around the central axis of the hollow bottom ring on the top of the hollow bottom ring, a supporting ring is fixedly provided on the inner wall of the outer cylinder, an annular pressure sensor is fixedly provided on the top of the supporting ring, a pressing ring is fixedly provided on the outer wall of the metering inner cylinder, a plurality of guide holes cooperating with the hollow guide rods are opened on the pressing ring, a compression spring is fixedly provided between the pressing ring and the annular pressure sensor, a nozzle is obliquely provided on the upper side wall of the hollow guide rod and facing the inner wall of the metering inner cylinder, a PLC control device electrically connected to the annular pressure sensor is provided on one side of the bracket, and a water inlet pipe is fixedly provided on the bottom plate of the hollow bottom ring.

2. The ceramsite sand raw material weighing device according to claim 1, characterized in that: A cover plate is hingedly provided at the top end of the outer cylinder, and a handle is provided on the top of the cover plate.

3. The ceramsite sand raw material weighing device according to claim 2, characterized in that: The spacing distance between the inner wall of the outer cylinder and the outer wall of the metering inner cylinder is 10-15 mm.

4. The ceramsite sand raw material weighing device according to claim 3 is characterized in that: The spacing distance between the outer wall of the pressure ring and the inner wall of the outer cylinder is 1-2 mm.

5. The ceramsite sand raw material weighing device according to claim 4 is characterized in that: A supporting flange is fixedly provided on the outer wall of the outer cylinder, and the supporting flange is fixedly connected to the top wall of the bracket.

6. The ceramsite sand raw material weighing device according to claim 1, characterized in that: One end of the water inlet pipe is connected to a high-pressure water pump through a pipeline.

7. The ceramsite sand raw material weighing device according to claim 1, characterized in that: One side of the discharge pipe is connected with a discharge valve.

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