CN218928290U - Multi-liquid automatic feeding system - Google Patents

Abstract

The utility model belongs to the field of plastic granule production, and particularly relates to a multi-liquid automatic feeding system which comprises a plurality of oil auxiliary agent metering barrels, wherein the plurality of oil auxiliary agent metering barrels are respectively provided with a first discharging pipe, a second discharging pipe and a third discharging pipe with different thicknesses, and a quick feeding pneumatic valve, a medium-speed feeding pneumatic valve and a low-speed feeding pneumatic valve are sequentially arranged from thick to thin. The utility model provides a multi-liquid automatic feeding system, which is characterized in that a plurality of metering units of liquid auxiliary agents are formed by arranging a plurality of oil auxiliary agent metering barrels, the weight of materials sent out by the oil auxiliary agent metering barrels is reduced, so that the simultaneous pre-distribution of a plurality of liquid auxiliary agents is realized, in addition, three discharging pipes with different pipe diameters are arranged at the bottom end of each oil auxiliary agent metering barrel, and three-gear feeding valves of a quick feeding pneumatic ball valve, a medium-speed feeding pneumatic ball valve and a slow feeding pneumatic ball valve are respectively arranged, so that the speed is considered, the discharging precision is controlled, the production speed is improved, and the product quality is optimized.

Description

Multi-liquid automatic feeding system

Technical Field

The utility model belongs to the field of plastic granule production, and particularly relates to a multi-liquid automatic feeding system.

Background

Before granulating PVC, stirring and mixing PVC powder with other processing powder auxiliary agents to be added, and liquid auxiliary agents to assist in mixing; depending on the material requirements, there are various liquid auxiliaries such as plasticizers, stabilizers, toughening agents and the like. The addition of various liquid auxiliaries during the mixing process can lead to complications and to errors, and the liquid auxiliaries required for complex formulations can be numerous. So that the liquid auxiliary agent is reasonably used and pre-mixed in advance, and only one mixed liquid processing auxiliary agent is used in the production process; the safer the liquid auxiliary agent is controlled in the previous mixing procedure; the labor intensity is reduced and the efficiency is increased; the softer the PVC pellets that need to be produced, the more blending oil aid that is needed. For example, the Chinese patent publication No. CN207206822U, the utility model creates an automatic continuous oil distribution system for plastic granulation production, which comprises an automatic oil distribution system, a stirring system and a numerical control system; the stirring system comprises a plurality of stirring barrels which are respectively communicated with a shared storage stirring barrel through pipelines, electromagnetic valves are arranged on the pipelines, and electric stirrers are arranged in the stirring barrels and the storage stirring barrels; the stirring barrel is provided with an oil inlet, and the bottom is provided with an oil outlet; an oil outlet is arranged at the bottom of the storage stirring barrel; the automatic oil distribution system comprises automatic oil distribution barrels respectively positioned above the stirring barrels; a feeding pipe is arranged on the automatic oil distribution barrel, a discharging pipe is arranged at the bottom, and a pneumatic ball valve is arranged on the discharging pipe; the discharging pipe is communicated with an oil inlet of the stirring barrel below the discharging pipe; the automatic oil distribution barrel is provided with a metering module; the numerical control system comprises a controller. Another patent of the utility model with publication number CN216578678U discloses an automatic weighing and mixing device, which comprises a controller, a plurality of powder feeders, a powder metering barrel, an oil auxiliary agent metering barrel and a high-speed mixer, wherein the controller is electrically connected with the powder feeders, the powder metering barrel, the oil auxiliary agent metering barrel and the high-speed mixer, the discharge outlets of the powder feeders are aligned with the feed inlet of the powder metering barrel, the powder metering barrel is arranged above the high-speed mixer, and the discharge outlets of the powder metering barrel and the oil auxiliary agent metering barrel are communicated with the high-speed mixer. According to the automatic weighing and mixing device provided by the utility model, the quality control of a powder feeder on various powder materials is realized through the controller, the total quality control of a powder material metering barrel on mixed powder materials, the quality control of an oil auxiliary agent metering barrel on mixed oil auxiliary agents and the control of a high-speed mixer on feeding temperature are realized, the requirements of automatic feeding, automatic accurate weighing and automatic discharging when reaching temperature are met, and the quality of products is ensured.

However, the feeding system has only one weighing and metering unit, and has the condition of multiple liquids, can only meter in turn, can not realize simultaneous pre-allocation, in addition, has only one valve body with discharging speed, can not give consideration to discharging speed and discharging precision, the cost of liquid auxiliary agent is very high, and meanwhile, the worse the precision can influence the quality of products, and finally the speed of overall production and the quality of products are influenced.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a multi-liquid automatic feeding system, which aims to solve the technical problems that the existing liquid auxiliary agent batching system only has one weighing and metering unit, but a plurality of liquid conditions exist, only can meter in turn, simultaneous pre-batching cannot be realized, and in addition, only has a valve body with a discharging speed, and the discharging speed and the discharging precision cannot be considered, so that the overall production speed and the product quality are influenced.

The utility model provides a multi-liquid automatic feeding system, which comprises the following specific technical scheme:

many liquid automatic material conveying systems, including controller, mixed liquid stirring storage tank and a plurality of oil auxiliary agent metering barrel, a plurality of oil auxiliary agent metering barrel is located the top of mixed liquid stirring storage tank, a plurality of oil auxiliary agent metering barrel all is equipped with first discharging pipe, second discharging pipe and third discharging pipe, a plurality of oil auxiliary agent metering barrel passes through first discharging pipe the second discharging pipe with third discharging pipe intercommunication the mixed liquid stirring storage tank, the pipe diameter of first discharging pipe is greater than the pipe diameter of second discharging pipe, the pipe diameter of second discharging pipe is greater than the pipe diameter of third discharging pipe, be equipped with quick feeding pneumatic valve on the first discharging pipe, be equipped with medium speed feeding pneumatic valve on the second discharging pipe, be equipped with low speed feeding pneumatic valve on the third discharging pipe, the controller electricity is connected quick feeding pneumatic valve medium speed feeding pneumatic valve with low speed feeding pneumatic valve.

In some embodiments, a plurality of oil additive metering barrels are respectively connected with metering inductors at two sides, and the metering inductors are electrically connected with the controller.

In some embodiments, a plurality of oil additive metering barrels are provided with a first liquid level sensor in a penetrating manner, and the first liquid level sensor is electrically connected with the controller.

In some embodiments, a second liquid level sensor is disposed through the mixed liquid stirring tank, and the second liquid level sensor is electrically connected with the controller.

In certain embodiments, a receiving hopper is communicated with the top of the mixed liquid stirring storage tank, and the first discharging pipe, the second discharging pipe and the third discharging pipe are all aligned with the receiving hopper.

In some embodiments, a stirring motor is arranged at the top of the mixed liquid stirring storage tank, the output end of the stirring motor is connected with a stirring shaft, the stirring shaft stretches into the bottom of the mixed liquid stirring storage tank, a plurality of stirring blades are arranged at the end part of the stirring shaft, and the stirring motor is electrically connected with the controller.

The utility model has the following beneficial effects: the utility model provides a multi-liquid automatic feeding system, which is characterized in that a plurality of metering units of liquid auxiliary agents are formed by arranging a plurality of oil auxiliary agent metering barrels, the weight of materials sent out by the oil auxiliary agent metering barrels is reduced, so that the simultaneous pre-distribution of a plurality of liquid auxiliary agents is realized, in addition, three discharging pipes with different pipe diameters are arranged at the bottom end of each oil auxiliary agent metering barrel, and three-gear feeding valves of a quick feeding pneumatic ball valve, a medium-speed feeding pneumatic ball valve and a slow feeding pneumatic ball valve are respectively arranged, so that the speed is considered, the discharging precision is controlled, the production speed is improved, and the product quality is optimized.

Drawings

FIG. 1 is a schematic view showing the structure of a multi-liquid automatic feeding system according to embodiment 1 of the present utility model.

Detailed Description

The present utility model will be further described in detail below with reference to the specific embodiments and with reference to fig. 1, in order to make the objects, technical solutions and advantages of the present utility model more apparent.

Example 1

The embodiment provides a multi-liquid automatic feeding system, which has the following specific technical scheme:

the multi-liquid automatic feeding system comprises a controller, a mixed liquid stirring storage tank 2 and a plurality of oil auxiliary agent metering barrels 1, wherein the plurality of oil auxiliary agent metering barrels 1 are arranged above the mixed liquid stirring storage tank 2, the plurality of oil auxiliary agent metering barrels 1 are respectively provided with a first discharging pipe 11, a second discharging pipe 12 and a third discharging pipe 13, the plurality of oil auxiliary agent metering barrels 1 are communicated with the mixed liquid stirring storage tank 2 through the first discharging pipe 11, the second discharging pipe 12 and the third discharging pipe 13, the pipe diameter of the first discharging pipe 11 is larger than the pipe diameter of the second discharging pipe 12, the pipe diameter of the second discharging pipe 12 is larger than the pipe diameter of the third discharging pipe 13, a quick feeding pneumatic valve 111 is arranged on the first discharging pipe 11, a medium speed feeding pneumatic valve 121 is arranged on the second discharging pipe 12, a low speed feeding pneumatic valve 131 is arranged on the third discharging pipe 13, and the controller is electrically connected with the quick feeding pneumatic valve 111, the medium speed feeding pneumatic valve 121 and the low speed feeding pneumatic valve 131. In this embodiment, the oil additive metering barrel 1 is provided with 3, and then can realize 3 kinds of liquid additives simultaneously and pre-prepare, every oil additive metering barrel 1 all is equipped with thick different first discharging pipe 11, second discharging pipe 12 and third discharging pipe 13, the first discharging pipe 11 of coarseness is furnished with quick reinforced pneumatic valve 111, in the blowing initial stage, can be through a large amount of blowing of first discharging pipe 11, promote the speed, the second thick second discharging pipe 12 is furnished with medium speed reinforced pneumatic valve 121, provide the second shelves speed, the third discharging pipe 13 of finest is furnished with low-speed reinforced pneumatic valve 131, need realize controlling the precision of quantity at the later stage of blowing, realize through third discharging pipe 13. The controller (the controller can adopt any type of single-chip microcomputer) controls the opening and closing of the quick feeding pneumatic valve 111, the medium speed feeding pneumatic valve 121 and the low speed feeding pneumatic valve 131.

Specifically, the two sides of the oil additive metering barrels 1 are respectively connected with a metering inductor 14, and the metering inductors 14 are electrically connected with a controller. The first meter is used for realizing the integral weighing of the oil additive metering barrel 1 and transmitting a weighing signal to the controller.

Specifically, a first liquid level sensor 15 is arranged in the plurality of oil additive metering barrels 1 in a penetrating mode, and the first liquid level sensor 15 is electrically connected with the controller. The first liquid level sensor 15 is used for knowing in real time how much liquid auxiliary is in the oil auxiliary metering tank 1 and transmitting this signal to the controller.

Specifically, a second liquid level sensor 21 is arranged in the mixed liquid stirring storage tank 2 in a penetrating manner, and the second liquid level sensor 21 is electrically connected with the controller. The second level sensor 21 is used to real-time how much the mixed liquid in the mixed liquid stirred tank 2 is aided by and to send this signal to the controller.

Specifically, the top of the mixed liquid stirring storage tank 2 is communicated with a receiving hopper 22, and the first discharging pipe 11, the second discharging pipe 12 and the third discharging pipe 13 are aligned to the receiving hopper 22. The receiving hopper 22 facilitates the introduction of all material into the mixing liquid stirring tank 2.

Specifically, the mixed liquid stirring storage tank 2 top is equipped with agitator motor 23, and agitator motor 23's output is connected with (mixing) shaft 24, and (mixing) shaft 24 stretches into to mixed liquid stirring storage tank 2 bottom and (mixing) shaft 24 tip is equipped with a plurality of stirring leaf 25, and agitator motor 23 electricity connection director. The stirring motor 23 drives the stirring blade 25 to rotate through the stirring shaft 24, so that the effect of uniformly mixing the mixed liquid auxiliary agent is realized, and the controller is used for controlling the opening and closing and the rotating speed of the stirring motor 23.

The multi-liquid automatic feeding system provided in this example is generally implemented as follows:

setting a required feeding amount target value of each oil additive metering barrel 1, setting data such as a rapid feeding amount, a medium-speed feeding amount, a slow feeding amount, an advance amount and the like, starting material mixing, and simultaneously opening a medium-speed feeding pneumatic ball valve and a slow feeding pneumatic ball valve of the rapid feeding pneumatic ball valve of each metering tank; when the feeding amount is between the medium speed feeding amount, the quick feeding pneumatic ball valve is closed; the medium-speed feeding pneumatic ball valve is closed when the feeding amount reaches the slow feeding amount, and the slow feeding pneumatic ball valve is closed when the feeding amount is close to the feeding amount target value; the liquid which automatically falls down is remained in the advance correction pipeline.

In summary, the utility model provides a multi-liquid automatic feeding system, a plurality of metering units of liquid auxiliary agents are formed through the arrangement of a plurality of oil auxiliary agent metering barrels 1, the weight of materials sent out by the oil auxiliary agent metering barrels 1 is reduced, so that the simultaneous pre-distribution of a plurality of liquid auxiliary agents is realized, in addition, three discharging pipes with different pipe diameters are arranged at the bottom end of each oil auxiliary agent metering barrel 1, and three-gear feeding valves of a quick feeding pneumatic ball valve, a medium-speed feeding pneumatic ball valve and a slow feeding pneumatic ball valve are respectively configured, so that the speed is taken into consideration, the control of the discharging precision can be achieved, the production speed is further improved, and the product quality is optimized.

The above preferred embodiments of the present utility model are not limited to the above examples, and the present utility model is not limited to the above examples, but can be modified, added or replaced by those skilled in the art within the spirit and scope of the present utility model.

Claims (6)

1. Many liquid automatic material conveying system, its characterized in that includes controller, mixed liquid stirring storage tank and a plurality of oil auxiliary agent metering barrel, a plurality of oil auxiliary agent metering barrel is located the top of mixed liquid stirring storage tank, a plurality of oil auxiliary agent metering barrel all is equipped with first discharging pipe, second discharging pipe and third discharging pipe, a plurality of oil auxiliary agent metering barrel passes through first discharging pipe the second discharging pipe with third discharging pipe intercommunication mixed liquid stirring storage tank, the pipe diameter of first discharging pipe is greater than the pipe diameter of second discharging pipe, the pipe diameter of second discharging pipe is greater than the pipe diameter of third discharging pipe, be equipped with quick feeding pneumatic valve on the first discharging pipe, be equipped with medium speed feeding pneumatic valve on the second discharging pipe, be equipped with low speed feeding pneumatic valve on the third discharging pipe, the controller electricity is connected quick feeding pneumatic valve medium speed feeding pneumatic valve with low speed feeding pneumatic valve.

2. The multiple liquid automatic feeding system according to claim 1, wherein a plurality of said oil additive metering barrels are each connected on both sides thereof with a metering inductor electrically connected to said controller.

3. The multiple liquid automatic feeding system according to claim 1, wherein a plurality of said oil additive metering barrels are provided therethrough with a first liquid level sensor electrically connected to said controller.

4. The multiple liquid automatic feeding system of claim 1, wherein a second liquid level sensor is disposed through the mixed liquid stirring tank, and the second liquid level sensor is electrically connected with the controller.

5. The multiple liquid automatic feed system of claim 1, wherein the mixed liquid stirred tank top is in communication with a receiving hopper, and the first discharge pipe, the second discharge pipe, and the third discharge pipe are all aligned with the receiving hopper.

6. The multiple liquid automatic feeding system according to claim 1, wherein the mixed liquid stirring tank top is provided with a stirring motor, the output end of the stirring motor is connected with a stirring shaft, the stirring shaft extends into the mixed liquid stirring tank bottom and the stirring shaft end is provided with a plurality of stirring blades, and the stirring motor is electrically connected with the controller.

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