TWM601243U - Feeding system - Google Patents

Abstract

The new material supply system for continuous spraying operation mainly includes a first material barrel, a second material barrel, an isolation pump, a sensing control element, and a spraying device. The spraying device is from the first material through a slurry conveying pipeline. The barrel obtains the slurry to start the spraying operation; the isolation pump is wrapped outside the discharge pipe of the second barrel and connected with the sensing control element, which can be based on the sensed value of the first barrel The change of the liquid level in the internal space controls the isolation pump to continuously or stop the supply of supplementary slurry from the second tank to the first tank.

Description

Feeding system

This model relates to a feeding system, especially a circulating feeding system with stable flow and good spraying stability during continuous spraying.

In the prior art, when performing continuous spraying operations, it is necessary to use a supply system to provide and replenish slurry in a timely manner. The general feeding system uses a circulating pump to transport the slurry through the pump and then push it to the bucket and spraying device, but the slurry is a mixture of powder and liquid, and the use of a circulating pump can easily cause the material to get stuck inside the pump The loss of the slurry becomes larger; in addition, when the slurry enters the pump, it will also be affected by the pump temperature, resulting in changes in the slurry concentration that is not conducive to the stability of spraying quality. Part of the feeding system will adopt solutions such as adding a stirring device and two-way feeding to solve the aforementioned problems. However, adding a stirring device in the slurry tank can easily generate bubbles in the slurry; two-way feeding is easy to switch the flow direction of the reciprocating pressure on the left and right sides. When the spraying volume is suddenly too large, the spraying stability deteriorates and the product quality is affected. In all of these, the feeding system of the prior art is not conducive to the requirements of stable flow and good spraying stability during continuous spraying operations.

In view of the problem of flow stability of the current supply system used in continuous spraying operations, the main purpose of the present invention is to provide a one-way circulating supply system, which separates the pump body and pushes and transports the slurry in one direction. The slurry quality in the conveying pipeline of the feeding system remains stable and the slurry loss is small, which is conducive to the continuous spraying operation.

The main technical means used to achieve the above purpose is to make the feeding system include: A first barrel includes an internal space and an air source interface, the air source interface is used to pass gas into the internal space of the first barrel; A spraying device having a spraying unit and a collection pipeline, the spraying unit and the collection pipeline communicate with the inner space of the first bucket through a first discharge pipeline; A second barrel includes an inner space and a feed inlet. The inlet of the second barrel communicates with the inner space of the second barrel, and the inlet of the second barrel passes through a recycling The pipeline is connected to the collection pipeline; An isolation pump communicates with the internal space of the second barrel through a second discharge pipeline, the isolation pump is covered outside a third discharge pipeline, and the third discharge pipeline is respectively The internal space of the second bucket is connected to the internal space of the first bucket; and A sensing control element connected to the isolation pump, and senses the liquid level of the inner space of the first barrel, and based on the change of the liquid level of the inner space of the first barrel and/or the first barrel The change of the liquid level in the inner space of the two tanks controls the isolation pump.

From the above description, it can be seen that the new material supply system controls the isolation pump based on the change in the liquid level measured by the sensing control element in the inner space of the first tank, so that the pump body of the isolation pump is continuously ordered according to the sensing signal. To push the slurry (or stop the slurry) to the first barrel, forming a circulating feeding system with stable flow and good spraying stability during continuous spraying; in addition, the isolation pump system is coated outside the delivery pipeline , Only provide the power source and avoid contact with the slurry, the slurry quality in the conveying pipeline of the feeding system can be kept stable and the loss is small. In addition, the isolation pump body can be controlled according to the sensing signal in a timely manner, which can shorten the first The time for the liquid level in the tank to balance is conducive to the continuous spraying operation.

The new type is to provide a feeding system for the needs of maintaining stable slurry quality and low slurry loss, especially a circulating feeding system with stable flow during continuous spraying and good spraying stability. The following implementations are listed in detail with drawings Explain the technical characteristics of this case.

First, please refer to Figure 1, which is a schematic diagram of the new type of feeding system equipment. The material supply system of the present invention includes a first material tank 100, a spraying device 200, a recovery pipeline 300, a second material tank 400, a sensing control element 500 and an isolation pump 600.

Please refer to FIG. 1, the aforementioned first barrel 100 includes a first discharge pipe 101, an air source interface 102, an internal space 103, a discharge port 104 and a feed pipe 105. The first discharge pipe 101 is connected to the discharge port 104 of the first barrel 100, and the inlet pipe 105 extends into the internal space 103. In one embodiment, the feed pipe 105 extends to the lower edge of the first bucket 100, so that when the slurry is injected into the inner space 103 of the first bucket 100, it directly enters below the slurry surface to avoid bubbles. produce. In one embodiment, the first barrel 100 has an arc-shaped barrel bottom, and the discharge port 104 is located at the geometric center of the arc-shaped barrel bottom to communicate with the first discharge pipe 101 and The inner space 103 of the first barrel 100. Since the slurry of the first bucket 100 is output from the arc-shaped bottom of the barrel, and because of its arc-shaped design, the powder will not deposit on the bottom of the barrel and cause the slurry concentration to change. The gas source interface 102 of the first barrel 100 is used to pass gas into the inner space 103 of the first barrel 100. The introduction of gas mentioned here refers to the use of air pressure to push the slurry from the first supply tank 100 to the first discharge pipe 101; in one embodiment, the air source interface 102 is equipped with a positive Press the pump body so that the air pressure in the internal space 103 of the first barrel 100 is greater than the atmospheric pressure outside the first barrel 100. The first tank 100 may be provided with a liquid level sensor, which may be an electronic distance meter (EDM) or an optical radar scanner (LiDar) for sensing the inside of the first tank 100 The height of the liquid level in the space 103 changes by Δd.

As shown in FIG. 1, the spraying device 200 has a spraying unit 201 and a collecting pipe 202. The spraying unit 201 and the collecting pipe 202 are connected through the first discharge pipe 101 and the first barrel 100. The internal space 103 is connected. When the slurry is fed into the spraying device 200 from the first discharge pipe 101, part of the slurry is sprayed from the spraying unit 201 for continuous spraying, and the remaining slurry flows into the collection pipe 202 in.

The aforementioned recovery pipeline 300 is connected to the collection pipeline 202 to recover the remaining slurry collected in the collection pipeline 202 for use.

Please refer to FIG. 1, the second barrel 400 is connected to the recovery pipe 300 to communicate with the collection pipe 202 through the recovery pipe 300, and the second barrel 400 contains a feed Port 401, a second discharge pipe 402, an internal space 403, and a discharge port 404. The feed inlet 401 of the second barrel 400 is connected to the recovery pipeline 300 and the internal space 403 of the second barrel 400 so that the second barrel 400 can contain the remaining slurry recovered from the collection pipeline 202. The second barrel 400 may have an arc-shaped barrel bottom, and the discharge port 404 is located at the geometric center of the arc-shaped barrel bottom to communicate the internal space 403 of the second barrel 400 with the second discharge线402。 Line 402. Since the slurry of the second bucket 400 is output from the arc-shaped bottom of the barrel, and because of its arc-shaped design, the powder will not deposit on the bottom of the barrel and cause the slurry concentration to change. The feed inlet 401 of the second material bucket 400 can be arranged on one of the side edges of the second material bucket 400 close to the bottom of the arc-shaped bucket; because the remaining slurry in the collection pipeline 202 enters the second material bucket from the side 400, the slurry in the second tank 400 can be disturbed to increase its uniformity.

As shown in FIG. 1, the aforementioned sensing control element 500 is connected to the signal of the liquid level sensor of the first tank 100 and the liquid level sensor of the second tank 400, and the sensing control element 500 passes through the liquid level. The sensor can receive a sensing signal from the change of the liquid level in the inner space 103 of the first tank 100, and the sensing control element 500 can receive the signal from the inner space 403 of the second tank 400 through the liquid level sensor. A sensing signal of the liquid level change. In one embodiment, the sensing control element 500 includes a programmable logic controller (PLC), and the sensing interval can be preset according to the actual production parameters of the feeding system.

As shown in FIG. 1, the aforementioned isolation pump 600 is connected to the sensing control element 500, the isolation pump 600 is connected between the feed pipe 105 and the second discharge pipe 402, and the isolation pump 600 includes a pump Body 601 and a third discharge pipe 602. The pump body 601 is wrapped around the third discharge pipe 602, and the third discharge pipe 602 is connected to the input pipe 105 and the second discharge pipe 402, respectively. The material pipe 105 communicates with the internal space 103 of the first material barrel 100, and communicates with the internal space 403 of the second material barrel 400 through the second discharge pipe 402. In one embodiment, the isolation pump 600 is a peristaltic pump. By isolating the pump body 601 of the pump 600 outside the third discharge pipe 602, the pump body 601 only provides a power source and avoids contact with the slurry.

The first discharge pipe 101, the second discharge pipe 402, the third discharge pipe 602, and the recovery pipe 300 used in the new material supply system can use hoses to achieve better However, in other embodiments, the first discharge pipe 101, the second discharge pipe 402, the third discharge pipe 602, and the recovery pipe 300 can also be selected. One of them uses hoses, depending on the setting environment and use space of the feeding system.

As shown in FIG. 2, when the gas source interface 102 of the first tank 100 starts to pass gas 20 into the internal space 103 of the first tank 100, the slurry 10 in the first supply tank 100 is immediately blown by air. The pressure is pushed to the first discharge pipe 101; as the slurry 10 is continuously output, the liquid level of the inner space 103 of the first tank 100 also begins to drop by Δd from a liquid level equilibrium height. Then, the spraying device 200 connected to the first discharge pipe 101 can output the slurry 10 from the spraying unit 201 to start a continuous spraying operation. During the spraying operation, in addition to the slurry 10 that has been sprayed on the product, the remaining slurry 10' will be collected by the aforementioned collection pipeline 202 through the recovery pipeline 300 to the second bucket 400. When the aforementioned recovery pipeline 300 continuously feeds the residual slurry 10' into the internal space 403 through the inlet 401 of the second barrel 400, the continuously recovered residual slurry 10' makes the second barrel 400 The liquid level of the inner space 403 rises.

As shown in FIG. 3, when the sensing control element 500 receives a sensing signal that the liquid level of the inner space 103 of the first tank 100 drops to a predetermined height interval d1, the sensing control element 500 activates the Isolate the pump body 601 of the pump 600, and continuously supply the remaining slurry 10' from the second barrel 400 to the first barrel 100 through the second discharge pipe 402 and the third discharge pipe 602. At this time, as the remaining slurry 10' is continuously output, the liquid level of the inner space 403 of the second tank 400 also begins to drop from a liquid level high. In one embodiment, the internal space 403 of the second bucket 400 is used to contain the remaining slurry 10' collected by the aforementioned recovery pipeline 300, when the sensing control element 500 receives the second bucket 400 When the liquid level of the inner space 403 drops to a preset height, the second tank 400 is provided with other input pipes to timely replenish the slurry to the inner space 403, and provide enough slurry to the inner space 403 in time. The first material bucket 100.

As shown in FIG. 4, when the third discharge pipe 602 continues to input the supplementary slurry 10' into the first bucket 100 to another preset height interval d2 through the inlet pipe 105, the sensing control element 500 That is, a sensing signal that the liquid level of the inner space 103 of the first tank 100 rises to a preset height interval d2 is received, and the pump body 601 of the isolation pump 600 is shut down accordingly to stop from the second tank 400 output slurry 10 ′ is supplemented to the first bucket 100. As shown in Figures 3 and 4, when the isolation pump 600 is restarted, the sensing control element 500 can control the isolation pump 600 to adjust the rotation speed of the pump body 601 so that the slurry level in the first tank 100 is higher than Reach the set value quickly and shorten the time for level balance.

Please refer to FIG. 5, it is also possible to maintain the liquid level of the inner space 103 of the first tank 100 and the inner space 403 of the second tank 400 without stopping the operation of the pump body 601 of the isolation pump 600. The operating speed of the pump body 601 of the isolation pump 600 is controlled by the sensing control element 500, so that the liquid level of the inner space 103 of the first tank 100 is maintained constant, and the slurry is added to the second tank 400 in a timely manner, so that The liquid level of the inner space 403 of the second tank 400 is also maintained at a certain height.

From the above description, it can be seen that the new material supply system controls the isolation pump based on the liquid level measured by the sensing control element in the inner space of the first tank, so that the isolation pump body continuously pushes and conveys in one direction according to the sensing signal The slurry (or stop delivering the slurry) to the first tank forms a circulating feeding system with stable flow and good spraying stability during continuous spraying; in addition, the isolation pump system is covered outside the conveying pipeline and only provides power Source and avoid contact with the slurry, so that the quality of the slurry in the conveying pipeline of the feeding system is stable and the loss is small. In addition, the isolation pump body can be started according to the sensing signal in a timely manner, which can shorten the liquid level in the first tank The balance time is conducive to the continuous spraying operation.

The above are only the embodiments of the present invention and do not limit the present invention in any form. Although the present invention has been disclosed in the above embodiments, it is not intended to limit the present invention. Anyone with ordinary knowledge in the relevant technical field, Without departing from the scope of the technical solution of the present invention, when the technical content disclosed above can be used to make some changes or modification into equivalent embodiments with equivalent changes, all content that does not deviate from the technical solution of the present invention is based on the technical essence of the present invention. Any simple modifications, equivalent changes and modifications made to the above embodiments still fall within the scope of the new technical solution.

10: Slurry 10’: remaining slurry 20: Gas in 100: the first barrel 101: The first discharge line 102: Air connection 103: internal space 104: Outlet 105: feed pipe 200: Spraying device 201: Spraying unit 202: Collection pipeline 300: recovery line 400: The second barrel 401: Inlet 402: The second discharge line 403: Internal Space 404: Outlet 500: Sensing control element 600: Isolation pump 601: pump body 602: third discharge line

Figure 1: Schematic diagram of a feeding system equipment of the new feeding system. Figure 2: A schematic diagram of starting slurry supply of the new feed system. Figure 3: A schematic diagram of a continuous cycle feeding of the new feeding system. Figure 4: A schematic diagram of a slurry level balance of the new feed system. Figure 5: A schematic diagram of another continuous cycle feeding of the new feeding system.

100: the first barrel

101: The first discharge line

102: Air connection

103: internal space

104: Outlet

105: feed pipe

200: Spraying device

201: Spraying unit

202: Collection pipeline

300: recovery line

400: The second barrel

401: Inlet

402: The second discharge line

403: Internal Space

404: Outlet

500: Sensing control element

600: Isolation pump

601: pump body

602: third discharge line

Claims (9)

A feeding system, which includes: A first barrel includes an internal space and an air source interface, the air source interface is used to pass gas into the internal space of the first barrel; A spraying device having a spraying unit and a collection pipeline, the spraying unit and the collection pipeline communicate with the inner space of the first bucket through a first discharge pipeline; A second barrel includes an inner space and a feed inlet. The inlet of the second barrel communicates with the inner space of the second barrel, and the inlet of the second barrel passes through a recycling The pipeline is connected to the collection pipeline; An isolation pump communicates with the inner space of the second barrel through a second discharge pipeline, the isolation pump is covered outside a third discharge pipeline, and the third discharge pipeline is connected to The internal space of the second bucket and the internal space of the first bucket are connected; and A sensing control element connected to the isolation pump, and senses the liquid level of the inner space of the first barrel, and based on the change of the liquid level of the inner space of the first barrel and/or the first barrel The change of the liquid level in the inner space of the two tanks controls the isolation pump. The feeding system according to claim 1, wherein the first barrel further comprises a feeding pipe extending to the lower edge of the first barrel and communicating with the third outlet pipe of the isolation pump . The feeding system according to claim 1, wherein the first barrel further includes an arc-shaped barrel bottom. The feeding system according to claim 1, wherein the second barrel further includes an arc-shaped barrel bottom. The feeding system according to claim 3, wherein the arc-shaped bottom of the first barrel includes a discharge port located at the geometric center of the arc-shaped bottom of the barrel, and the outlet is connected to the first discharge pipe And the internal space of the first barrel. The feeding system according to claim 4, wherein the arc-shaped bottom of the second barrel includes a discharge port located at the geometric center of the arc-shaped bottom of the barrel, and the outlet is connected to the second discharge pipe And the internal space of the second barrel. The feeding system according to claim 4 or 6, wherein the feeding port is arranged at a side edge of the second barrel near the bottom of the arc-shaped barrel. The feeding system according to claim 1, wherein the sensing control element includes a programmable logic controller. The supply system according to claim 1, wherein one of the first discharge pipeline, the second discharge pipeline, the third discharge pipeline, and the recovery pipeline is a hose.

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