A metal member phosphating device

Abstract

The utility model relates to phosphating tank technical field, and disclose a kind of metal component phosphating device, including phosphating tank, the phosphating tank top end is hinged with the cover of sealing, the cover top end is fixedly installed with servo motor, the cover bottom end is rotatably installed with stirring shaft, the servo motor output end is fixedly connected with the stirring shaft top end through coupling. By hinged cover of sealing that can be opened and closed in the phosphating tank top end, cooperate the heat preservation jacket of heat preservation shell inside setting, for the phosphating solution in the inside of phosphating tank provides relatively closed environment in heating process, to improve the heating efficiency of phosphating solution, reduce heat loss. In the heating process of phosphating solution, by servo motor driving stirring shaft, the rotation of stirring vane, so that phosphating solution is constantly stirred in heating process, can be heated evenly, to guarantee the phosphating film layer uniformity, improve the phosphating effect of metal component.

Description

Technical Field

[0001] This utility model relates to the field of phosphating pool technology, and in particular to a phosphating device for metal components. Background Technology

[0002] Phosphating tanks are key equipment in metal surface treatment, primarily providing the space for phosphating reactions in metal components. The phosphating solution inside reacts chemically with the metal surface to form a uniform and dense phosphating film, enhancing the metal's corrosion resistance and preventing rust. However, traditional phosphating devices typically lack mixing and stirring measures during the heating process of the phosphating solution, resulting in uneven phosphating solution temperature and potentially uneven film formation, affecting the consistency of phosphating. Therefore, it is necessary to develop a phosphating device that integrates efficient stirring, automatic sealing, and intelligent control to solve problems such as temperature fluctuations, uneven solution mixing, high energy consumption, and inconvenient operation, meeting the demands of modern metal surface treatment for stability and high efficiency.

[0003] The prior art patent publication number CN204714900U discloses a heating structure for a phosphating tank, including a phosphating tank body. The phosphating tank body includes a bottom wall and four side walls erected on the bottom wall. The bottom wall and the four side walls form a rectangular inner cavity of the phosphating tank. A groove is provided on the outer circumference of the phosphating tank body, surrounding it. A steel plate is installed over the opening of the groove, and the edge of the steel plate is fixedly connected to the groove wall. A heat-insulating fiber layer is filled between the steel plate and the bottom of the groove. Three channel steel sections are provided on the bottom of the groove, located on the three side walls of the phosphating tank body. The open ends of the three channel steel sections are fixedly connected to the bottom of the groove. The opposing ends of adjacent channel steel sections are welded and fixed to form a sealed heating channel. Steel plates extend from both ends of the heating channel, forming an inlet and outlet for heating steam. This structure keeps the phosphating solution concentration stable, consumes less energy, and reduces phosphating costs.

[0004] Existing technology achieves heating of the phosphating tank by setting heating channels within the four side walls to form inlets and outlets for heating steam. However, this phosphating tank lacks solution stirring during heating, making it difficult to ensure uniform heating of the solution. To address this, we propose a metal component phosphating device that solves the problem of uneven solution heating in the phosphating tank, improves the heating efficiency of the phosphating tank, and ensures consistent phosphating of the metal components. Utility Model Content

[0005] The purpose of this invention is to provide a phosphating device for metal components, which solves the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a phosphating device for metal components, comprising a phosphating tank, a cover hinged to the top of the phosphating tank, a servo motor fixedly mounted on the top of the cover, and a stirring shaft rotatably mounted on the bottom of the cover. The output end of the servo motor is fixedly connected to the top of the stirring shaft via a coupling. A connecting rod is fixedly disposed on the outside of the stirring shaft, and a stirring blade is fixedly connected to one end of the connecting rod. The stirring blade has an inclined blade structure. The servo motor drives the stirring shaft to rotate, thereby driving the stirring blade to rotate synchronously.

[0007] The phosphating tank includes an insulating outer shell, an inner cylinder fixedly installed inside the insulating outer shell, the inner cylinder being made of fiberglass, a jacket being provided between the insulating outer shell and the inner cylinder, and an electric heating tube being coiled and installed inside the jacket.

[0008] A temperature sensor is fixedly installed on one side of the phosphating tank. The probe of the temperature sensor extends into the phosphating tank. The temperature sensor is a TT3050 temperature probe sensor, and its probe is made of titanium alloy or 316 stainless steel. The heat insulation shell is a structure of two layers of galvanized steel plates sandwiching a layer of rock wool board.

[0009] The sealing cap is fixedly mounted on both sides with first fixing blocks, and the phosphating tank is fixedly mounted on both sides with second fixing blocks. A pneumatic telescopic rod is hinged between the first and second fixing blocks via a pin. There are two first fixing blocks, symmetrically distributed about the center line of the short side of the sealing cap. Similarly, there are two second fixing blocks, symmetrically distributed about the center line of the short side of the phosphating tank. The pneumatic telescopic rod drives the opening and closing movement of the sealing cap.

[0010] The phosphating tank has a drain port fixedly installed on the bottom side near the hinge end. A drain valve, which is a ball valve or a butterfly valve, is installed on the outside of the drain port. A PLC controller is fixedly installed on the outer wall of the phosphating tank. The PLC controller is electrically connected to a servo motor, a pneumatic telescopic rod, a temperature sensor, and an electric heating tube.

[0011] This utility model discloses a phosphating device for metal components. By hinged and closable caps at the top of the phosphating tank, combined with an insulating jacket inside the insulating shell, a relatively sealed environment is provided for the phosphating solution inside the tank during heating. This improves the heating efficiency of the phosphating solution and reduces heat loss. During the heating process of the phosphating solution, a servo motor drives the rotation of the stirring shaft and stirring blades, ensuring that the phosphating solution is continuously stirred and heated evenly. This, in turn, guarantees the uniformity of the phosphating film layer and improves the phosphating effect of the metal components. Attached Figure Description

[0012] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the accompanying drawings used in the description of the embodiments or the prior art will be briefly introduced below.

[0013] Figure 1 This is a schematic diagram of the three-dimensional structure of the present invention. Figure 1 ;

[0014] Figure 2 This is a schematic diagram of the three-dimensional structure of the present invention. Figure 2 ;

[0015] Figure 3 This is a schematic cross-sectional view of the present invention.

[0016] Figure 4 This utility model Figure 2 A magnified structural diagram of A in the middle.

[0017] In the diagram: 1. Phosphating tank; 2. Cover; 3. Servo motor; 4. Stirring shaft; 5. Insulation shell; 6. Inner cylinder; 7. Jacket; 8. Electric heating tube; 9. Temperature sensor; 10. First fixing block; 11. Second fixing block; 12. Pneumatic telescopic rod; 13. Connecting rod; 14. Stirring blade; 15. Drain port; 16. Drain valve; 17. PLC controller; 18. Hinge. Detailed Implementation

[0018] The embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, but should not be construed as limiting the present invention.

[0019] Please see Figures 1-4 This utility model provides a technical solution: a metal component phosphating device, including a phosphating tank 1, a cover 2 hinged to the top of the phosphating tank 1 via a hinge 18, a servo motor 3 fixedly installed at the top of the cover 2, and a stirring shaft 4 rotatably installed at the bottom of the cover 2. The output end of the servo motor 3 is fixedly connected to the top of the stirring shaft 4 via a coupling. A connecting rod 13 is fixedly installed on the outside of the stirring shaft 4, and a stirring blade 14 is fixedly connected to one end of the connecting rod 13. The stirring blade 14 has an oblique blade structure. The phosphating tank 1 includes a heat-insulating shell 5, an inner cylinder 6 fixedly installed inside the heat-insulating shell 5, a jacket 7 between the heat-insulating shell 5 and the inner cylinder 6, and an electric heating tube 8 coiled inside the jacket 7. A temperature sensor 9 is fixedly installed on one side of the phosphating tank 1, and the probe of the temperature sensor 9 extends into the interior of the phosphating tank 1. The heat-insulating shell 5 is a structure of two layers of galvanized steel plates sandwiching a layer of rock wool board. A PLC controller 17 is electrically connected to the servo motor 3, the temperature sensor 9, and the electric heating tube 8.

[0020] The heating temperature of the phosphating solution is set by the PLC controller 17, which then controls the electric heating element 8 to heat the phosphating solution in the phosphating tank 1. During the heating process, the temperature sensor 9 detects the temperature of the phosphating solution and feeds the detected temperature data back to the PLC controller 17. When the phosphating solution reaches the set temperature, the PLC controller 17 controls the electric heating element 8 to stop heating. When the temperature of the phosphating solution is lower than the set temperature, the PLC controller 17 controls the electric heating element 8 to continue heating to ensure the reaction effect of the metal components. During the heating process, the servo motor 3 is started by the PLC controller 17. The servo motor 3 drives the inclined blade stirring blade 14 to mix and agitate the phosphating solution, thereby making the phosphating solution heated more evenly.

[0021] A first fixing block 10 is fixedly installed on both sides of the cover 2, and a second fixing block 11 is fixedly installed on both sides of the phosphating tank 1. A pneumatic telescopic rod 12 is hinged between the first fixing block 10 and the second fixing block 11 by a pin. There are two first fixing blocks 10, which are symmetrically distributed about the short side centerline of the cover 2. There are two second fixing blocks 11, which are symmetrically distributed about the short side centerline of the phosphating tank 1. A drain port 15 is fixedly installed on the bottom side of the phosphating tank 1 near the hinge 18. A drain valve 16 is installed on the outside of the drain port 15. A PLC controller 17 is fixedly installed on the outer wall of the phosphating tank 1. The PLC controller 17 is electrically connected to the pneumatic telescopic rod 12.

[0022] The pneumatic telescopic rod 12 is controlled by the PLC controller 17 to retract to a set length, thereby driving the cover 2 to rotate and achieve the sealing effect of the phosphating tank 1. This provides a relatively closed environment for the phosphating solution inside the phosphating tank during the heating process, thereby improving the heating efficiency of the phosphating solution, reducing heat loss, and saving electricity.

[0023] Working principle: First, the phosphating solution is injected into the phosphating tank 1. Then, the pneumatic telescopic rod 12 is retracted to a set length by the PLC controller 17, thereby rotating the cover 2 to achieve the sealing effect of the phosphating tank 1, ensuring the efficiency of subsequent heating of the phosphating solution. Next, the heating temperature of the phosphating solution is set by the PLC controller 17, and then the electric heating tube 8 is controlled by the PLC controller 17 to heat the phosphating solution in the phosphating tank 1. During the heating process, the temperature sensor 9 can detect the temperature value of the phosphating solution and feed the detected temperature data back to the PLC controller 17. When the phosphating solution is heated to the set temperature value, the PLC controller 17 controls the electric heating tube 8 to stop heating. When the temperature of the phosphating solution is lower than the set temperature value, the PLC controller 17 controls the electric heating tube 8 to continue heating to ensure the reaction effect of the metal components. In addition, during the heating process, the servo motor 3 is started by the PLC controller 17. The servo motor 3 drives the inclined blade stirring blade 14 to mix and stir the phosphating solution, thereby making the phosphating solution heat more evenly and improving the phosphating effect and heating efficiency.

[0024] The above-disclosed embodiments are merely one or more preferred embodiments of this application and should not be construed as limiting the scope of this application. Those skilled in the art can understand that implementing all or part of the above embodiments and making equivalent changes in accordance with the claims of this application still fall within the scope of this application.

Claims

1. A metal member phosphating apparatus comprising a phosphating tank (1), characterized by: The phosphating tank (1) top end is hinged with a cover (2) through a hinge (18), the cover (2) top end is fixedly installed with a servo motor (3), the cover (2) bottom end is rotatably installed with a stirring shaft (4), the servo motor (3) output end is fixedly connected with the stirring shaft (4) top end through a shaft coupling; The phosphating tank (1) includes a heat preservation shell (5), the heat preservation shell (5) inside is fixedly installed with an inner cylinder (6), the heat preservation shell (5) and the inner cylinder (6) are provided with a jacket (7), the jacket (7) inside is coiledly installed with an electric heating pipe (8).

2. A metal member phosphating apparatus according to claim 1, characterized by: The phosphating tank (1) one side is fixedly installed with a temperature sensor (9), the temperature sensor (9) probe extends to the inside of the phosphating tank (1), the heat preservation shell (5) is a two-layer galvanized steel plate sandwiching a layer of rock wool board structure.

3. A metal member phosphating apparatus according to claim 1, characterized by: The cover (2) both sides are fixedly provided with a first fixed block (10), the phosphating tank (1) both sides are fixedly provided with a second fixed block (11), the first fixed block (10) and the second fixed block (11) are hinged with a pneumatic telescopic rod (12) through a pin shaft.

4. A metal member phosphating apparatus according to claim 3, wherein: The first fixed block (10) has two, two first fixed blocks (10) are symmetrically distributed about the cover (2) short edge midline, the second fixed block (11) has two, two second fixed blocks (11) are symmetrically distributed about the phosphating tank (1) short edge midline.

5. A metal member phosphating apparatus according to claim 1, characterized by: The stirring shaft (4) outside is fixedly provided with a connecting rod (13), one end of the connecting rod (13) is fixedly connected with a stirring blade (14), the stirring blade (14) is an inclined blade type structure.

6. A metal member phosphating apparatus according to claim 1, characterized by: The phosphating tank (1) bottom side is fixedly provided with a drain port (15) near the hinge (18) one end, the drain port (15) outside is installed with a drain valve (16), the phosphating tank (1) outer wall is fixedly installed with a PLC controller (17), the PLC controller (17) is electrically connected with the servo motor (3), the pneumatic telescopic rod (12), the temperature sensor (9), the electric heating pipe (8).

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