Stable material dropwise adding system

Abstract

The utility model belongs to the technical field of gluing equipment accessories, and particularly relates to a stable material dripping system. The utility model provides a stable material dripping system, and aims to solve the problem of non-uniform feeding of coating glue preparation equipment in the prior art. A stable material dropwise adding system comprises a dropwise adding tank, an auxiliary agent tank and a reaction kettle, and the dropwise adding tank and the auxiliary agent tank add materials into the reaction kettle through a feeding assembly; the weighing sensor is used for recording the initial weight of the dripping tank and the auxiliary tank, after the appropriate dripping speed is set through the electric control valve, the weighing sensor feeds back the weight change condition of materials and auxiliaries in real time, the opening degree of the electric control valve is controlled in real time through the controller, closed-loop control is achieved, it is ensured that the dripping speed meets the initial setting requirement, and the control precision is improved. And the feeding uniformity in the glue preparation process is good.

Description

Technical Field

[0001] The utility model belongs to the technical field of glue coating equipment accessories, and in particular relates to a stable material dripping system. Background Art

[0002] In the process of coating and dispensing, raw materials and additives need to be added to the reactor for mixing reaction. The traditional methods of adding materials are manual adding and pipeline dripping. Manual adding is not suitable for slow adding. Currently, there is no effective control method to automatically control the dripping speed in common pipeline dripping. Most of them require the operation experience of workers, which can easily lead to uneven adding speed, local reaction or insufficient reaction, and affect product quality.

[0003] In summary, the coating and dispensing equipment in the prior art has the problem of uneven material feeding. Utility Model Content

[0004] The utility model provides a stable material dripping system, aiming to solve the problem of uneven material feeding of coating and glue dispensing equipment in the prior art.

[0005] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0006] A stable material dripping system comprises a dripping tank, an auxiliary agent tank and a reaction kettle, wherein the dripping tank and the auxiliary agent tank respectively add materials to the reaction kettle through a material feeding component;

[0007] The feeding assembly includes a weighing sensor for detecting the weight of the dripping tank and the auxiliary agent tank, and the dripping tank and the auxiliary agent tank are respectively provided with independent weighing sensors;

[0008] The feeding assembly further includes an electric regulating valve, and the dripping tank and the auxiliary agent tank respectively feed the reaction kettle through the independent electric regulating valves;

[0009] The feeding assembly also includes a controller, the weighing sensor is communicatively connected to the controller, and the electric regulating valve is controlled by the controller.

[0010] A further improved solution: the feeding assembly further comprises a branch pipeline, the dripping tank and the auxiliary agent tube respectively feed the reactor through independent branch pipelines, and the electric regulating valves are respectively connected in series to different branch pipelines.

[0011] Based on the above technical solution: the feeding assembly also includes branch pipelines, and the electric regulating valves are respectively connected in series to different branch pipelines. The arrangement of the branch pipelines makes the arrangement positions of the dropping tank, the auxiliary agent tank and the reactor flexible. The dropping tank, the auxiliary agent tank and the reactor can be arranged at different positions, making the stable material dropping system easy to maintain.

[0012] A further improved solution: a manual valve is also connected in series to the branch pipe.

[0013] Based on the above technical solution: a manual valve is also connected in series on the branch pipeline, and the manual valve is used to manually open or close the branch pipeline.

[0014] A further improved solution: the feed assembly further comprises a main pipe, and all the branch pipes feed the reactor through the main pipe.

[0015] Based on the above technical solution: the feeding component also includes a main pipe, all branch pipelines feed the reactor through the main pipe, the main pipe is connected to all branch pipelines, and there is no need to set multiple feed ports on the reactor. Only one feed port is required to use the main pipe to feed the additives and the materials in the drip tank into the reactor.

[0016] A further improved solution: a pipeline sight glass is provided on the main pipe, and the pipeline sight glass is serially connected to the main pipe.

[0017] Based on the above technical solution: a pipeline sight glass is also arranged on the main pipe, and the pipeline sight glass is used to observe the materials in the main pipe.

[0018] A further improved solution: there are two auxiliary agent tanks, and each of the two auxiliary agent tanks is provided with an independent weighing sensor.

[0019] Based on the above technical solution: different additives can be placed in the two additive tanks.

[0020] A further improved solution: the feeding assembly further comprises a supporting platform, the dripping tank and the auxiliary agent tank are both mounted on the supporting platform via mounting feet, and the weighing sensor is arranged on the mounting feet.

[0021] Based on the above technical solution: the weighing sensor is arranged on the mounting foot, the weighing sensor is easy to assemble, and the weighing sensor is arranged on the mounting foot, and the weighing sensor has higher accuracy.

[0022] A further improved solution: the electric regulating valve is an equal percentage control valve.

[0023] Based on the above technical solution: the electric regulating valve is an equal percentage control valve, which has higher precision, thereby improving the precision of the electric regulating valve.

[0024] A further improved solution: the dropping tank and the auxiliary agent tank are both cone-bottom tanks.

[0025] Based on the above technical solution: the dripping tank and the auxiliary agent tank are both cone-bottom tanks, and the materials in the dripping tank and the auxiliary agent tank can be completely discharged.

[0026] Further improved solution: the controller is a PLC controller.

[0027] Based on the above technical solution: the controller is a PLC controller, which has powerful control functions and can achieve complex control requirements.

[0028] The beneficial effects of the utility model are:

[0029] The adding tank and the auxiliary agent tank respectively add materials to the reactor through the feeding assembly. The feeding assembly includes a weighing sensor for detecting the weight of the dropping tank and the auxiliary agent tank. The dropping tank and the auxiliary agent tank are respectively provided with independent weighing sensors; the feeding assembly also includes an electric regulating valve. The weighing sensor is used to record the initial weight of the dropping tank and the auxiliary agent tank. After setting the appropriate dropping speed through the electric regulating valve, the weighing sensor feeds back the weight change of the material and the auxiliary agent in real time. The opening of the electric regulating valve is controlled in real time through the controller to realize closed-loop control, ensure that the dropping speed meets the initial setting requirements, and the feeding uniformity is good during the rubber preparation process. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments are briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technical users in this field, other relevant drawings can be obtained based on these drawings without paying creative labor.

[0031] Figure 1 It is a front view of a stable material dripping system of the utility model.

[0032] Figure 2 It is a top view of a stable material dripping system of the utility model.

[0033] Description of the numbers in the figure:

[0034] 1- dropping tank; 2- additive tank; 3- reactor; 4- feeding assembly; 5- weighing sensor; 6- electric regulating valve; 7- branch pipe; 8- main pipe; 9- pipe sight glass; 10- mounting foot; 11- supporting platform. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. It should be understood that the specific embodiments described herein are only used to explain the utility model and are not used to limit the utility model. Based on the embodiments of the utility model, all other embodiments obtained by users of the technology in this field without creative work belong to the protection scope of the utility model.

[0036] refer to Figure 1 to Figure 2 The utility model provides a stable material dripping system, comprising a dripping tank 1, an auxiliary agent tank 2 and a reaction kettle 3, wherein the dripping tank 1 and the auxiliary agent tank 2 respectively add materials to the reaction kettle 3 through a feeding component 4;

[0037] The feeding assembly 4 includes a weighing sensor 5 for detecting the weight of the dropping tank 1 and the auxiliary agent tank 2. The dropping tank 1 and the auxiliary agent tank 2 are respectively provided with independent weighing sensors 5;

[0038] The feeding assembly 4 further includes an electric regulating valve 6, and the dropping tank 1 and the auxiliary agent tank 2 respectively feed materials to the reactor 3 through the independent electric regulating valves 6;

[0039] The feeding assembly 4 further includes a controller, the weighing sensor 5 is in communication connection with the controller, and the electric regulating valve 6 is controlled by the controller.

[0040] The weighing sensor 5 is a common sensor for detecting weight in the prior art. The controller is a common control unit in the prior art, which can be a PLC controller or a single chip microcomputer and the like.

[0041] refer to Figure 1 to Figure 2 Specifically, the feeding assembly 4 also includes a branch pipeline 7, the dripping tank 1 and the auxiliary agent tube respectively feed the reactor 3 through the independent branch pipelines 7, and the electric regulating valve 6 is respectively connected in series to different branch pipelines 7.

[0042] The branch pipe 7 may include a hose portion and a hard pipe portion, and the hard pipe portion is respectively connected to the dropping tank 1 and the auxiliary agent tank 2 through the hose portion. The branch pipe 7 may be connected to the dropping tank 1 through a pipe interface. The pipe interface is a common pipe fitting in the prior art.

[0043] The branch pipe 7 is also connected in series with a manual valve.

[0044] Specifically, the feed assembly 4 further includes a main pipe 8 , and all the branch pipes 7 feed the reactor 3 through the main pipe 8 .

[0045] The main pipe 8 is provided with a pipeline sight glass 9, which is serially connected to the main pipe 8. The pipeline sight glass 9 is a structure for observing the material in the main pipe 8, and can be made of a transparent material, for example, glass.

[0046] Specifically, there are two auxiliary agent tanks 2, and each of the two auxiliary agent tanks 2 is provided with an independent weighing sensor 5. When there are multiple types of auxiliary agents, different auxiliary agents can be placed in different auxiliary agent tanks 2, and the number of auxiliary agent tanks 2 can also be three or more.

[0047] Specifically: the feeding assembly 4 further includes a supporting platform 11 , the dripping tank 1 and the auxiliary agent tank 2 are both mounted on the supporting platform 11 via mounting feet 10 , and the weighing sensor 5 is disposed on the mounting feet 10 .

[0048] The support platform 11 can be formed by welding rods, or can also be formed by connecting plates by bolts. The mounting foot 10 can be fixed to the support platform 11 by screws, or the mounting foot 10 can be fixed to the support platform by bolts.

[0049] The electric regulating valve 6 is an equal percentage control valve. The electric regulating valve 6 can also be replaced by other valve body structures that can adjust the opening.

[0050] The dropping tank 1 and the auxiliary agent tank 2 are both cone-bottom tanks. The cone-bottom tank is a tank body with a cone-shaped bottom, and the bottom of the tank body is cone-shaped, and the material in the tank body can be completely discharged.

[0051] Specifically: the controller is a PLC controller. The controller may also be replaced by other control units.

[0052] The working principle of this embodiment:

[0053] A stable material dropping system is mainly composed of a dropping tank 1, an additive tank 2, a weighing sensor 5, a manual valve, an electric regulating valve 6, a branch pipeline 7, a pipeline sight glass 9, a controller, a supporting platform 11 and the like.

[0054] The dropping tank 1 and the auxiliary agent tank 2 are respectively installed on the supporting platform 11 through the mounting feet 10. The mounting feet 10 are provided with a set of weighing sensors 5, and the sensor signals are collected to the controller; the dropping tank 1 and the auxiliary agent tank 2 are cone-bottomed structures, which are convenient for material discharge; the bottoms of the dropping tank 1 and the auxiliary agent tank 2 are provided with a hose part connected to the hard pipe part, and the hose part and the hard pipe part form a branch pipeline 7. Each branch pipeline 7 is provided with a manual valve and an electric regulating valve 6. The electric regulating valve 6 is a precision equal percentage control valve that can accurately control the valve opening and is used to control the respective dropping speeds; each material and auxiliary agent is collected through the branch pipeline 7 to the main pipe 8 and then enters the reactor 3 for mixed reaction. The main pipe 8 is provided with a pipeline sight glass 9 for easy observation. During production, each raw material and additive is placed in the dropping tank 1 and the additive tank 2 respectively, and the weighing sensor 5 records the initial weight. After the controller sets the appropriate dropping speed through the manual regulating valve, the weighing sensor 5 feeds back the weight change of the material and the additive to the controller in real time. The controller then controls the opening of the electric regulating valve 6 on each branch pipeline 7 in real time to form a closed-loop control to ensure that the dropping speed meets the initial setting requirements.

[0055] The present utility model is not limited to the above optional implementation modes. Under the premise of not conflicting with each other, the various schemes can be combined arbitrarily. Anyone can derive other forms of products under the inspiration of the present utility model. However, no matter what changes are made in their shapes or structures, all technical schemes that fall within the scope defined by the claims of the present utility model fall within the protection scope of the present utility model.

Claims

1. A stable material dripping system, characterized by: It includes a dropping tank, an auxiliary agent tank and a reaction kettle, wherein the dropping tank and the auxiliary agent tank respectively add materials to the reaction kettle through a feeding component; The feeding assembly includes a weighing sensor for detecting the weight of the dripping tank and the auxiliary agent tank, and the dripping tank and the auxiliary agent tank are respectively provided with independent weighing sensors; The feeding assembly further includes an electric regulating valve, and the dripping tank and the auxiliary agent tank respectively feed the reaction kettle through the independent electric regulating valves; The feeding assembly also includes a controller, the weighing sensor is communicatively connected to the controller, and the electric regulating valve is controlled by the controller.

2. A stable material dripping system according to claim 1, characterized in that: The feeding assembly also includes a branch pipeline, the dripping tank and the auxiliary agent tube respectively feed the reaction kettle through the independent branch pipelines, and the electric regulating valves are respectively connected in series to different branch pipelines.

3. A stable material dripping system according to claim 2, characterized in that: A manual valve is also connected in series on the branch pipe.

4. A stable material dripping system according to claim 2, characterized in that: The feed assembly also includes a main pipe, and all the branch pipes feed the reactor through the main pipe.

5. A stable material dripping system according to claim 4, characterized in that: The main pipe is provided with a pipeline sight glass, and the pipeline sight glass is serially connected to the main pipe.

6. A stable material dripping system according to claim 1, characterized in that: There are two auxiliary agent tanks, and each of the two auxiliary agent tanks is provided with an independent weighing sensor.

7. A stable material dripping system according to claim 1, characterized in that: The feeding assembly also includes a supporting platform, the dripping tank and the auxiliary agent tank are both installed on the supporting platform through mounting feet, and the weighing sensor is arranged on the mounting feet.

8. A stable material dripping system according to claim 1, characterized in that: The electric regulating valve is an equal percentage control valve.

9. A stable material dripping system according to claim 1, characterized in that: The dropping tank and the auxiliary agent tank are both cone-bottom tanks.

10. A stable material dripping system according to claim 1, characterized in that: The controller is a PLC controller.

Images