Online vacuum liquid injection system

By automating and precisely controlling the online vacuum injection system, the problems of low liquid injection efficiency and inaccurate control have been solved, realizing a highly efficient and automated liquid injection process, and improving industrial production efficiency and product quality.

CN223508548UActive Publication Date: 2025-11-04DONGGUAN JIATENG INSTR CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202423000535.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-05
Publication Date
2025-11-04
Estimated Expiration
2034-12-05

AI Technical Summary

Technical Problem

Existing equipment is difficult to efficiently and accurately inject liquids into containers with complex internal spaces or small pipes. Furthermore, the injection process is inefficient, prone to leakage, and requires cumbersome manual operation, which is not conducive to industrial production.

Method used

An online vacuum injection system is adopted, including a feeding module, a quantitative injection pump, a vacuum tank, piping components, a robotic arm, and a system controller, to achieve automated assembly line operation. The liquid injection volume is precisely controlled by controlling the vacuum tank and piping components, and the docking components are automatically installed by the robotic arm, thereby improving the level of automation.

Benefits of technology

It enables automatic liquid filling into closed containers, improving production efficiency, saving labor costs, and ensuring product quality by controlling the filling volume through feedback from weighing equipment.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223508548U_ABST
    Figure CN223508548U_ABST
Patent Text Reader

Abstract

An online vacuum liquid injection system comprises a feeding module, a quantitative injection pump, a first pipeline assembly, a vacuum tank, a second pipeline assembly, an evacuation assembly, a first butt joint assembly, a second butt joint assembly, weighing equipment, a recovery device, a feeding line, a material transfer device, scanning equipment and a system controller. The first pipeline assembly and the second pipeline assembly are provided with a first control valve and a second control valve respectively, the first pipeline assembly is connected with the feeding module, the vacuum tank and the quantitative injection pump, the second pipeline assembly is connected with the vacuum tank and the vacuumizing assembly, the first butt joint assembly is connected with the vacuum tank, and the second butt joint assembly is connected with the vacuumizing assembly. The second butt joint assembly is connected with the recovery device, and the quantitative injection pump, a first control valve of the first pipeline assembly, a second control valve of the first pipeline assembly, the weighing equipment, the feeding line, the material transfer device and the scanning equipment are all connected with the system controller. Line production is adopted, the automation level in the whole liquid injection process is high, and the product quality is improved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of liquid injection equipment module, in particular to a kind of online vacuum liquid injection system. BACKGROUND

[0002] For the container with complex internal space or small pipeline, it is very difficult to fill liquid into the container, the existing equipment is connected to the water inlet of the container by pipeline, the water outlet of the container is opened, and then a fixed amount of liquid is pressed into the container by pressure. Such filling efficiency is slow, and the filling amount is not accurate, and in many cases, the filling requirement cannot be met, or the filled liquid is easy to leak. Moreover, single machine needs manual connection and removal of products, so the efficiency is difficult to achieve well, and it is not conducive to industrial production. UTILITY MODEL CONTENT

[0003] Therefore, it is necessary to provide an online vacuum liquid injection system to solve the problems in the prior art.

[0004] An online vacuum liquid injection system is used for liquid injection of products, the products are provided with an internal passage, a liquid inlet connected to one side of the internal passage and a liquid outlet connected to the other side of the internal passage, and the system comprises a feeding module, a quantitative injection pump, a first pipeline assembly, a vacuum tank, a second pipeline assembly, a vacuumizing assembly, a first docking assembly, a second docking assembly, a weighing device, a recycling device, a feeding line, a material transfer device, a scanning device and a system controller. The first pipeline assembly and the second pipeline assembly are respectively provided with a first control valve and a second control valve. The first pipeline assembly is connected to the feeding module, the vacuum tank and the quantitative injection pump. The second pipeline assembly is connected to the vacuum tank and the vacuumizing assembly. The first docking assembly is connected to the vacuum tank. The second docking assembly is connected to the recycling device. The quantitative injection pump, the first control valve of the first pipeline assembly, the second control valve of the first pipeline assembly, the weighing device, the feeding line, the material transfer device and the scanning device are connected to the system controller. The system controller controls the quantitative injection pump, the first control valve of the first pipeline assembly, the second control valve of the first pipeline assembly, the feeding line, the material transfer device and the scanning device.

[0005] In one embodiment, the system further comprises a first mechanical hand and a second mechanical hand. When the product is placed on the weighing device, the first mechanical hand is used to buckle the first docking assembly on the liquid inlet of the product or remove the first docking assembly from the liquid inlet of the product, and the second mechanical hand is used to buckle the second docking assembly on the liquid outlet of the product or remove the second docking assembly from the liquid outlet of the product.

[0006] In one embodiment, the system further comprises a third control valve and a pressurized air pump. The pressurized air pump, the third control valve and the vacuumizing assembly are connected in sequence by pipelines. The pressurized air pump and the third control valve are connected to the system controller.

[0007] In one of the embodiments, the first docking assembly is connected to the bottom of the vacuum tank.

[0008] In one of the embodiments, the second docking assembly is connected to the top of the recycling device.

[0009] In one of the embodiments, the first docking assembly is provided with a first docking head, the second docking assembly is provided with a second docking head, the first mechanical arm buckles the first docking head of the first docking assembly to the liquid inlet of the product or takes the first docking head of the first docking assembly away from the liquid inlet of the product, and the second mechanical arm buckles the second docking head of the second docking assembly to the liquid outlet of the product or takes the second docking head of the second docking assembly away from the liquid outlet of the product.

[0010] In one of the embodiments, the second docking assembly is further provided with a circulation switch, the circulation switch is connected with the system controller, and the system controller controls the use state of the circulation switch to make it in the open or closed state.

[0011] The online vacuum liquid injection system has the advantages that: the online vacuum liquid injection system adopts the flow operation, automatically fills the liquid into the closed container, has high automation level in the whole liquid injection process, effectively improves the production efficiency, saves the labor cost, and the system controller calculates the liquid amount to be injected according to the feedback result of the weighing device, effectively controls the filling amount, and improves the product quality. BRIEF DESCRIPTION OF DRAWINGS

[0012] Fig. 1 Fig. 1 is a connection diagram of the online vacuum liquid injection system of the utility model;

[0013] Fig. 2 Fig. 2 is a connection diagram of the system controller and other modules of the online vacuum liquid injection system of the utility model. DETAILED DESCRIPTION

[0014] In order to make the above-mentioned purpose, features and advantages of the utility model more obvious and easy to understand, the specific embodiments of the utility model are described in detail below. In the following description, a lot of specific details are set forth in order to fully understand the utility model. However, the utility model can be implemented in many other ways different from the description, and those skilled in the art can make similar improvements without departing from the connotation of the utility model, so the utility model is not limited by the following disclosed specific embodiments.

[0015] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like is the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0016] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first" and "second" can explicitly or implicitly include at least one of the features. In the description of the utility model, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise specifically limited.

[0017] In the utility model, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship of two elements, unless otherwise specifically limited. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0018] In the utility model, unless otherwise specifically defined and limited, the first feature is "on" or "under" the second feature, which can be direct contact between the first and second features, or indirect contact between the first and second features through an intermediate medium. Moreover, the first feature "above", "above" and "above" the second feature can be directly above or obliquely above the first feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature can be directly below or obliquely below the first feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.

[0019] It is to be understood that when an element as a preamble is referred to as being "on" or "connected" to another element, it can be directly on or connected to the other element or intervening elements can also be present. In contrast, when an element as a preamble is referred to as being "connected" to another element, it can be directly on or connected to the other element or intervening elements can also be present. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar terms as used herein are used for the purpose of illustration only and are not intended to be limiting.

[0020] Referring to Figs. 1-2 The utility model provides a kind of online vacuum liquid injection system, for the liquid injection of product 200, the product 200 is equipped with inner passage, liquid inlet connected in inner passage one side, liquid outlet connected in inner passage other side, online vacuum liquid injection system includes feed module 20, quantitative injection pump 30, first pipeline component 60, vacuum tank 40, second pipeline component 70, evacuation component 50, first docking component 80, second docking component 90, weighing equipment 100, recycling device 110, feed line 120, material transfer device 130, scanning equipment 140, system controller 100, first pipeline component 60, second pipeline component 70 are equipped with first control valve 61 and second control valve 71 respectively, first pipeline component 60 is connected feed module 20, vacuum tank 40 and quantitative injection pump 30, second pipeline component 70 is connected vacuum tank 40 and evacuation component 50, first docking component 80 is connected in vacuum tank 40 bottom, second docking component 90 is connected in recycling device 110 top, quantitative injection pump 30, the first control valve 61 of first pipeline component 60, the second control valve 71 of second pipeline component 70, weighing equipment 100, feed line 120, material transfer device 130, scanning equipment 140 are connected with system controller 100, system controller 100 controls quantitative injection pump 30, the first control valve 61 of first pipeline component 60, the second control valve 71 of first pipeline component 60, feed line 120, material transfer device 130, scanning equipment 140 work, and weighing equipment 100, scanning equipment 140 respectively detected weight information, detected product 200 information is fed back to system controller 100.

[0021] The system controller 100 controls the state of the first control valve 61, so that the first control valve 61 is in a first state, a second state or a third state. When the first control valve 61 is in the first state, the pipeline between the feed module 20 and the quantitative injection pump 30 is in a communication state, the pipeline between the feed module 20 and the evacuation assembly 50 is in a cut-off state, and the pipeline between the quantitative injection pump 30 and the vacuum tank 40 is in a cut-off state. When the first control valve 61 is in the second state, the pipeline between the feed module 20 and the quantitative injection pump 30 is in a cut-off state, the pipeline between the feed module 20 and the vacuum tank 40 is in a cut-off state, and the pipeline between the quantitative injection pump 30 and the vacuum tank 40 is in a communication state. When the first control valve 61 is in the third state, the pipeline between the feed module 20 and the quantitative injection pump 30 is in a cut-off state, the pipeline between the feed module 20 and the vacuum tank 40 is in a communication state, and the pipeline between the quantitative injection pump 30 and the vacuum tank 40 is in a cut-off state.

[0022] The system controller 100 controls the state of the second control valve 71, so that the second control valve 71 is in a first state or a second state. When the second control valve 71 is in the first state, the pipeline between the vacuum tank 40 and the evacuation assembly 50 is in a communication state, and the vacuum tank 40 is in an isolated state with external air. When the second control valve 71 is in the second state, the pipeline between the vacuum tank 40 and the evacuation assembly 50 is in a cut-off state, and the vacuum tank 40 is in a communication state with external air.

[0023] The first docking assembly 80 is provided with a first docking head, and the second docking assembly 90 is provided with a second docking head, and the utility model further includes a first mechanical hand 170 and a second mechanical hand 180, when the product 200 is placed on the weighing equipment 100, the first mechanical hand 170 is used for buckling the first docking head of the first docking assembly 80 on the liquid inlet of the product 200 or taking out the first docking head of the first docking assembly 80 from the liquid inlet of the product 200; after the first mechanical hand 170 buckles the first docking head of the first docking assembly 80 on the liquid inlet of the product 200, the first mechanical hand 170 withdraws from the first docking head, and interference of the first mechanical hand 170 to the weighing process of the weighing equipment 100 is prevented. When the product 200 is placed on the weighing equipment 100, the second mechanical hand 180 is used for buckling the second docking head of the second docking assembly 90 on the liquid outlet of the product 200 or taking out the second docking head of the second docking assembly 90 from the liquid outlet of the product 200; after the second mechanical hand 180 buckles the second docking head of the second docking assembly 90 on the liquid outlet of the product 200, the second mechanical hand 180 withdraws from the second docking head of the second docking assembly 90, and interference of the second mechanical hand 180 to the weighing process of the weighing equipment 100 is prevented. In addition, the second docking assembly 90 is further provided with a circulation switch (not shown in the figure), the circulation switch is connected with the system controller 10, the system controller 10 controls the use state of the circulation switch, so that the circulation switch is in the open or closed state.

[0024] It can be understood that in the embodiment, the first mechanical hand 170 and the second mechanical hand 180 are used for buckling the first docking assembly 80 and the second docking assembly 90 on the liquid inlet and the liquid outlet respectively, and in other embodiments, the first docking assembly 80 and the second docking assembly 90 can also be installed or taken down in an artificial way.

[0025] In addition, the utility model further includes a third control valve 160 and a pressurized air pump 180, and the pressurized air pump 180, the third control valve 160 and the vacuum tank 40 are sequentially connected through pipelines. The pressurized air pump 180 and the third control valve 160 are connected with the system controller 100, and the system controller 100 controls the pressurized air pump 180 and the third control valve 160 to work, so that the third control valve 160 is in the open or closed state.

[0026] When the liquid is injected, it includes the loading stage, the first liquid injection stage, the cleaning stage and the second liquid injection stage. In the loading stage, the feeding line 120 uses the assembly line mode to transfer the product 200 to the designated position, the material transfer device 130 further transfers the product 200 transferred to the designated position to the weighing device 100, the first mechanical hand 170 and the second mechanical hand 180 respectively buckle the first docking assembly 80 and the second docking assembly 90 on the liquid inlet and the liquid outlet, the weighing device 100 weighs the product 200 and feeds the weight information to the system controller 100, the system controller 100 records the weight information of the product 200, the scanning device 140 reads the two-dimensional code or bar code information on the product 200 and feeds back to the system controller 100, and the system controller 100 records the product 200 information, which is convenient for subsequent traceability.

[0027] When entering the first liquid injection stage, the system controller 100 controls the state of the first control valve 61 and the third control valve 160, so that the first control valve 61 is in the first state, the third control valve 160 is in the closed state, the pipeline between the feeding module 20 and the quantitative injection pump 30 is in the communication state, and the quantitative injection pump 30 extracts the liquid from the feeding module 20. The system controller 100 controls the state of the second control valve 71, so that the second control valve 71 is in the first state, the circulating switch on the second docking assembly is in the closed state, the pipeline between the vacuum tank 40 and the evacuation assembly 50 is in the communication state, the system controller 100 starts the evacuation assembly 50, and the evacuation assembly 50 evacuates the vacuum tank 40 and the product 200. After the evacuation assembly 50 is closed, the first control valve 61 is switched to the second state, the quantitative injection pump 30 injects the liquid into the vacuum tank 40, then the first control valve 61 is switched to the first state, the second control valve 71 is switched to the second state, the circulating switch on the second docking assembly is in the open state, and the vacuum tank 40 is in communication with the external air. The external air pressurizes part of the liquid in the vacuum tank 40 into the product 200.

[0028] When entering the cleaning stage, the second control valve 71 is switched to the first state, the third control valve 160 is switched to the open state, the pressurizing air pump 180 pressurizes the vacuum tank 40, so that the remaining liquid in the vacuum tank 40 is pressurized into the product 200, the liquid in the product 200 flows out of the liquid outlet to the recycling device 110, and the liquid flows out of the liquid outlet. During the process, the internal channel of the product 200 is cleaned. After reaching the liquid discharge time, there is still liquid in the product 200, the pressurizing air pump 180 and the third control valve 160 are closed, the weighing device 100 weighs the product 200 again and feeds back to the system controller 100, and the system controller 100 calculates the amount of liquid L that needs to be injected.

[0029] When entering the secondary liquid injection stage, the above steps of the primary liquid injection stage are repeated, and the quantitative injection pump 30 quantitatively injects the liquid amount still to be injected into the vacuum tank 40, and the liquid in the vacuum tank 40 is pressed into the product 200 by atmospheric pressure.

[0030] The online vacuum liquid injection system has the advantages that: the liquid is automatically filled into the closed container through flow operation, the automation level is high during the whole liquid injection process, the production efficiency is effectively improved, the labor cost is saved, and the system controller 100 calculates the liquid amount to be injected according to the feedback result of the weighing device 100, the filling amount is effectively controlled, and the product 200 quality is improved.

[0031] The technical features of the above-described embodiments can be combined arbitrarily, and to make the description concise, all possible combinations of the technical features in the above-described embodiments are not described, however, as long as the combinations of the technical features do not exist contradictions, they should be considered as the scope of the present application.

[0032] The above-described embodiments only express several implementation manners of the present application, the description is relatively specific and detailed, but it should not be understood as the limitation of the scope of the present application. It should be pointed out that, for ordinary skilled in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which all belong to the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the appended claims.

Claims

1. An online vacuum liquid injection system for injecting liquid into a product, the product comprising an inner channel, an inlet connected to one side of the inner channel, and an outlet connected to the other side of the inner channel, characterized in that, The system includes a feeding module, a metering injection pump, a first piping assembly, a vacuum tank, a second piping assembly, a vacuuming assembly, a first docking assembly, a second docking assembly, a weighing device, a recovery device, a feeding line, a material transfer device, a scanning device, and a system controller. The first and second piping assemblies are each equipped with a first control valve and a second control valve. The first piping assembly connects to the feeding module, the vacuum tank, and the metering injection pump. The second piping assembly connects to the vacuum tank and the vacuuming assembly. The first docking assembly is connected to the vacuum tank, and the second docking assembly is connected to the recovery device. The metering injection pump, the first control valve of the first piping assembly, the second control valve of the first piping assembly, the weighing device, the feeding line, the material transfer device, and the scanning device are all connected to the system controller. The system controller controls the operation of the metering injection pump, the first control valve of the first piping assembly, the second control valve of the first piping assembly, the feeding line, the material transfer device, and the scanning device.

2. The online vacuum liquid injection system according to claim 1, characterized in that, It also includes a first robotic arm and a second robotic arm. When the product is placed on the weighing equipment, the first robotic arm is used to attach the first docking component to the liquid inlet of the product or to remove the first docking component from the liquid inlet of the product. The second robotic arm is used to attach the second docking component to the liquid outlet of the product or to remove the second docking component from the liquid outlet of the product.

3. The online vacuum liquid injection system according to claim 2, characterized in that, It also includes a third control valve and a pressurizing air pump. The pressurizing air pump, the third control valve and the evacuation assembly are connected in sequence through pipelines. Both the pressurizing air pump and the third control valve are connected to the system controller.

4. The online vacuum liquid injection system according to claim 2, characterized in that, The first docking assembly is connected to the bottom of the vacuum tank.

5. The online vacuum liquid injection system according to claim 2, characterized in that, The second docking assembly is connected to the top of the recycling device.

6. The online vacuum liquid injection system according to claim 1, characterized in that, The first docking assembly is provided with a first connector, and the second docking assembly is provided with a second connector. The first robotic arm attaches the first connector of the first docking assembly to the liquid inlet of the product or removes the first connector of the first docking assembly from the liquid inlet of the product; the second robotic arm attaches the second connector of the second docking assembly to the liquid outlet of the product or removes the second connector of the second docking assembly from the liquid outlet of the product.

7. The online vacuum liquid injection system according to claim 2, characterized in that, The second docking component is also equipped with a cycle switch, which is connected to the system controller. The system controller controls the usage state of the cycle switch, making it open or closed.