Water return device for pretreatment pickling production line

Abstract

The utility model provides a water return device for a pretreatment pickling production line, which comprises a pickling tank, a support table arranged at the top of the pickling tank, an ultrasonic liquid level sensor fittingly arranged on the support table, a pump body arranged on one side of the pickling tank, a three-way pipe fixedly matched with an output end of the pump body, and a connecting pipe in threaded fit with an output end of the three-way pipe. The connecting pipe is in threaded fit with a first electromagnetic valve, the output end of the first electromagnetic valve is in threaded fit with a first liquid discharge pipe, the first liquid discharge pipe extends into the pickling tank, the side through end of the three-way pipe is fixedly matched with a second electromagnetic valve, the output end of the second electromagnetic valve is in threaded fit with a second liquid discharge pipe, and the second liquid discharge pipe extends into the pickling tank. The liquid level adjusting device has the advantages that the liquid level adjusting effect is good, and when the pump body conveys acid liquid, the first electromagnetic valve is matched with the ultrasonic liquid level sensor, so that the liquid level adjusting accuracy is facilitated.

Description

Technical Field

[0001] The utility model belongs to the technical field of pre-treatment pickling water return, in particular to a water return device for a pre-treatment pickling production line. Background Art

[0002] Bead wire is a commonly used skeleton material in tires. It strengthens the tire and is widely used in the tire industry. The pretreatment of bead wire before plating requires rust removal, pickling, water washing and other processes to improve the strength and cleanliness of the wire and ensure the bonding performance between the bead wire and rubber.

[0003] At present, the pretreatment pickling tank adjusts the liquid level through a level gauge and a manual valve. Due to the long production line, it is easy for the inspectors to operate in a timely manner. Secondly, the pickling tank is corrosive to a certain extent, which greatly reduces the service life of the level gauge.

[0004] Therefore, in view of the shortcomings of the above scheme in actual production and implementation, it is revised and improved. At the same time, in the spirit and concept of seeking excellence, with the assistance of professional knowledge and experience, and after many ingenuity and experiments, the utility model is created. A return water device for a pretreatment pickling production line is provided to solve the above problems. Utility Model Content

[0005] The utility model provides a water return device for a pretreatment pickling production line, which solves the problems in the prior art.

[0006] The technical solution of the utility model is implemented as follows: a water return device for a pretreatment pickling production line, comprising: a pickling tank, a support plate is arranged on the top of the pickling tank, an ultrasonic liquid level sensor is arranged on the support plate, a pump body is arranged on one side of the pickling tank, a drain pipe is arranged at the output end of the pump body, and the drain pipe extends into the pickling tank.

[0007] As a preferred embodiment of a water return device for a pretreatment pickling production line, a socket is provided on the support plate, and the ultrasonic liquid level sensor is slidably fitted in the socket.

[0008] Using the above solution, the ultrasonic liquid level sensor is a contact liquid level measurement device that mainly uses the reflection principle of sound waves for detection. It can convert water level changes into data, and the ultrasonic liquid level sensor is not affected by the color, density, pressure, and corrosiveness of the liquid, so it can effectively adjust the liquid level.

[0009] As a preferred embodiment of a water return device for a pretreatment pickling production line, a three-way pipe is fixedly fitted on the output end of the pump body, a connecting pipe is threadedly fitted on the output end of the three-way pipe, a first solenoid valve is threadedly fitted on the connecting pipe, a first liquid discharge pipe is threadedly fitted on the output end of the first solenoid valve, and the first liquid discharge pipe extends into the pickling tank.

[0010] By adopting the above solution, the pump body can realize the delivery of acidic liquid, and the cooperation between the first solenoid valve and the ultrasonic liquid level sensor is conducive to adjusting the accuracy of the liquid level.

[0011] As a preferred embodiment of a water return device for a pretreatment pickling production line, the side end of the three-way pipe is fixedly equipped with a second solenoid valve, the output end of the second solenoid valve is threadedly equipped with a second drain pipe, and the second drain pipe extends into the pickling tank.

[0012] As a preferred embodiment of a water return device for a pretreatment pickling production line, a guide hole is provided on the side wall of the pickling tank, and the second liquid discharge pipe is slidably fitted in the guide hole.

[0013] With the above solution, the second solenoid valve is mainly used to discharge the acidic liquid in the connecting pipe to avoid corrosion of the inner wall or chemical reaction caused by stagnation.

[0014] After adopting the above technical scheme, the beneficial effects of the utility model are: 1. The device has a good liquid level adjustment effect. When the pump body conveys the acidic liquid, the first solenoid valve cooperates with the ultrasonic liquid level sensor to facilitate the accuracy of adjusting the liquid level.

[0015] 2. The second solenoid valve can discharge the acidic liquid in the connecting pipe to avoid corrosion of the inner wall or chemical reaction caused by stagnation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0017] Figure 1 This is a left view of the structure of the water return device for the pretreatment pickling production line of the utility model;

[0018] Figure 2 This is a right view of the structure of the water return device for the pretreatment pickling production line of the utility model;

[0019] Figure 3 This is a side view of the pickling tank structure of the utility model;

[0020] Figure 4 This is a schematic diagram of the disassembly of the support plate and ultrasonic liquid level sensor structure of the utility model;

[0021] Figure 5 This is a schematic diagram of the positional relationship structure of the pump body, three-way pipe, solenoid valve, and discharge pipe of the utility model;

[0022] In the figure, 1-pickling tank; 11-support platform; 12-guide hole; 2-support plate; 21-jack; 22-ultrasonic liquid level sensor; 3-pump body; 4-tee pipe; 5-connecting pipe; 51-first solenoid valve; 52-first drain pipe; 6-second solenoid valve; 61-second drain pipe. DETAILED DESCRIPTION

[0023] 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. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] like Figure 1 As shown, a water return device for a pretreatment pickling production line includes: a pickling tank 1, a support plate 2 is arranged on the top of the pickling tank 1, an ultrasonic liquid level sensor 22 is arranged on the support plate 2, a pump body 3 is arranged on one side of the pickling tank 1, and a drain pipe is arranged at the output end of the pump body 3, and the drain pipe extends into the pickling tank 1.

[0025] Specifically, a plug hole 21 is provided on the support plate 2 , and the ultrasonic liquid level sensor 22 is slidably fitted in the plug hole 21 .

[0026] Furthermore, the ultrasonic liquid level sensor 22 is a contact liquid level measuring device, which can convert the change of water level into data, and the ultrasonic liquid level sensor is not affected by the color, density, pressure, and corrosiveness of the liquid, so it can effectively adjust the liquid level.

[0027] Specifically, a three-way pipe 4 is fixedly fitted on the output end of the pump body 3, a connecting pipe 5 is threadedly fitted on the output end of the three-way pipe 4, a first solenoid valve 51 is threadedly fitted on the connecting pipe 5, and a first liquid discharge pipe 52 is threadedly fitted on the output end of the first solenoid valve 51, and the first liquid discharge pipe 52 extends into the pickling tank 1.

[0028] Specifically, the side through end of the three-way pipe 4 is fixedly matched with the second solenoid valve 6 , the output end of the second solenoid valve 6 is threadedly matched with the second liquid discharge pipe 61 , and the second liquid discharge pipe 61 extends into the pickling tank 1 .

[0029] Specifically, a guide hole 12 is provided on the side wall of the pickling tank 1 , and the second liquid discharge pipe 61 is slidably fitted in the guide hole 12 .

[0030] Furthermore, the cooperation between the first solenoid valve 51 and the ultrasonic liquid level sensor 22 is beneficial to adjusting the accuracy of the liquid level.

[0031] Furthermore, the second solenoid valve 6 is mainly used to discharge the acidic liquid in the connecting pipe 5 .

[0032] The working principle is that the pump body 3 continuously rotates the impeller to continuously suck in the pickling liquid for discharge, thereby completing the addition of liquid to the pickling tank 1, wherein the first solenoid valve 51 and the ultrasonic liquid level sensor 22 cooperate with each other to facilitate the accuracy of liquid level adjustment. After the addition is completed, the first solenoid valve 51 is closed, and then the second solenoid valve 6 is turned on to discharge the acidic liquid in the connecting pipe 5, avoiding corrosion or chemical reactions inside the connecting pipe 5 caused by retention.

[0033] In the description of the present utility model, it should be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In the description of the present utility model, unless otherwise specified and limited, it should be noted that the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it can be a mechanical connection or an electrical connection, or it can be the internal communication of two elements, it can be a direct connection, or it can be an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0034] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A water return device for a pretreatment pickling production line, characterized in that: include: A pickling tank (1), wherein a support plate (2) is arranged on the top of the pickling tank (1), an ultrasonic liquid level sensor (22) is arranged on the support plate (2), a pump body (3) is arranged on one side of the pickling tank (1), a drain pipe is arranged on the output end of the pump body (3), and the drain pipe extends into the pickling tank (1).

2. A water return device for a pretreatment pickling production line according to claim 1, characterized in that: The support plate (2) is provided with a plug hole (21), and the ultrasonic liquid level sensor (22) is slidably fitted in the plug hole (21).

3. A water return device for a pretreatment pickling production line according to claim 1, characterized in that: A three-way pipe (4) is fixedly fitted on the output end of the pump body (3); a connecting pipe (5) is threadedly fitted on the output end of the three-way pipe (4); a first solenoid valve (51) is threadedly fitted on the connecting pipe (5); a first liquid discharge pipe (52) is threadedly fitted on the output end of the first solenoid valve (51); and the first liquid discharge pipe (52) extends into the pickling tank (1).

4. A water return device for a pretreatment pickling production line according to claim 3, characterized in that: The side through end of the three-way pipe (4) is fixedly fitted with a second solenoid valve (6), the output end of the second solenoid valve (6) is threadedly fitted with a second liquid discharge pipe (61), and the second liquid discharge pipe (61) extends into the pickling tank (1).

5. A water return device for a pretreatment pickling production line according to claim 4, characterized in that: A guide hole (12) is provided on the side wall of the pickling tank (1), and the second liquid discharge pipe (61) is slidably fitted in the guide hole (12).

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