Anti-deposition coating machine

Abstract

The utility model provides an anti-deposition coating machine which comprises a coating roller and a coating liquid tank, an ultrasonic stirring mechanism for stirring coating liquid is arranged in the coating liquid tank, the ultrasonic stirring mechanism comprises a plurality of ultrasonic vibration plates, and the ultrasonic vibration plates are respectively arranged on the side wall of the coating liquid tank. According to the utility model, the ultrasonic stirring mechanism is arranged in the coating liquid tank, so that the coating liquid can be stirred on line to uniformly mix the coating liquid, the coating quality is prevented from being influenced by magnesium oxide deposition in the coating liquid, a standby machine does not need to be frequently replaced, time and labor are saved, continuous production of a unit is facilitated, the production cost can be obviously reduced, and the labor intensity is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to metallurgical production technical field, concretely relates to a kind of coating machine of anti-deposition. BACKGROUND

[0002] Silicon steel has low hysteresis, low iron loss, high magnetic conductivity and other characteristics, and is widely used in the field of power transformer and motor. The performance and service life of silicon steel are closely related to its surface state, so a protective coating needs to be coated on the surface when manufacturing silicon steel. Its functions include preventing silicon steel from oxidizing, reducing eddy current loss and improving insulation performance. Magnesium oxide coating is one of the common protective coatings, and magnesium oxide and water are usually mixed into magnesium oxide suspension for coating operation when used for silicon steel coating.

[0003] However, magnesium oxide is difficult to dissolve in water, and magnesium oxide deposition phenomenon is easy to occur. Within two days of continuous unit operation, slurry deposition occurs in the tank, directly sticking to the coating roll surface, affecting the coating quality. Therefore, the coating machine needs to be frequently replaced with a standby machine, and the operator also needs to clean the deposits in time, greatly increasing the production cost and labor intensity of workers. A factory once discarded the coating tank and replaced it with a spray pipe, but the coating quality decreased. SUMMARY

[0004] The utility model relates to a kind of coating machine of anti-deposition, at least can solve the partial defects of prior art.

[0005] The utility model relates to a kind of coating machine of anti-deposition, including coating roll and coating liquid tank, be equipped with for the ultrasonic stirring mechanism of coating liquid is stirred in the coating liquid tank, the ultrasonic stirring mechanism includes multiple ultrasonic vibration plates, each ultrasonic vibration plate is respectively installed on the side wall of the coating liquid tank.

[0006] As one of the embodiments, the ultrasonic stirring mechanism includes a first ultrasonic generating unit, and the first ultrasonic generating unit includes four first ultrasonic vibration plates arranged on the four side walls of the coating liquid tank.

[0007] As one of the embodiments, the ultrasonic wave emission path of each first ultrasonic vibration plate deviates from the vertical center line of the coating liquid tank. The coating liquid tank is divided into four quadrants by the longitudinal and transverse symmetry plane, and the four first ultrasonic vibration plates are located in the four quadrants respectively.

[0008] As one of the embodiments, the ultrasonic stirring mechanism further includes a second ultrasonic generating unit, and the second ultrasonic generating unit includes four second ultrasonic vibration plates arranged on the four side walls of the coating liquid tank. The four first ultrasonic vibration plates and the four second ultrasonic vibration plates are arranged in a cross pattern around the coating liquid tank.

[0009] As one of the embodiments, the coating liquid tank is divided into four quadrant regions by a longitudinal-lateral symmetry plane, and each of the quadrant regions is arranged with a first ultrasonic vibration plate and a second ultrasonic vibration plate.

[0010] As one of the embodiments, the ultrasonic emission direction of the ultrasonic vibration plate is parallel to the normal of the plate surface.

[0011] As one of the embodiments, the plate surface of the ultrasonic vibration plate is parallel to the wall surface of the side wall.

[0012] As one of the embodiments, the coating liquid tank is provided with a temperature control mechanism below.

[0013] The utility model has at least the following beneficial effects: in the utility model, the ultrasonic stirring mechanism is arranged in the coating liquid tank, the coating liquid can be stirred on line to mix the coating liquid, the coating quality is prevented from being affected by magnesium oxide deposition in the coating liquid, the standby machine does not need to be frequently replaced, time and labor are saved, the continuous production of the unit is beneficial, the production cost and labor intensity can be obviously reduced. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without creative labor.

[0015] Figure 1 The structure schematic diagram of the coating liquid tank provided by the embodiments of the utility model is shown in the drawings.

[0016] Figure 2 The arrangement schematic diagram of the first ultrasonic generating unit and the second ultrasonic generating unit provided by the embodiments of the utility model is shown in the drawings. DETAILED DESCRIPTION

[0017] The technical scheme in the embodiments of the utility model will be clearly and completely described below, and obviously, the described embodiments are only some embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0018] As Figure 1 and Figure 2The utility model embodiment provides a kind of coating machine of anti-deposition, including coating roll and coating liquid tank 1, the ultrasonic stirring mechanism for being equipped with for stirring coating liquid in the coating liquid tank 1, the ultrasonic stirring mechanism includes multiple ultrasonic vibration plate 3, each the ultrasonic vibration plate 3 is respectively installed on the lateral wall of the coating liquid tank 1.

[0019] The above-mentioned ultrasonic vibration plate 3 is easy to arrange, and does not interfere with the structure of the coating liquid tank 1 itself and normal production, for example, the ultrasonic vibration plate 3 can be attached to the lateral wall of the coating liquid tank 1, or embedded in the lateral wall of the coating liquid tank 1.

[0020] Preferably, the plate surface of the ultrasonic vibration plate 3 is parallel to the wall surface of the lateral wall.

[0021] Preferably, the ultrasonic vibration plate 3 emits ultrasonic waves along the normal direction of the vibration plate surface, that is, the ultrasonic wave emission direction of the ultrasonic vibration plate 3 is parallel to the normal direction of the vibration plate surface.

[0022] The above-mentioned coating liquid tank 1 is generally a square tank, such as Figure 1 and Figure 2 By arranging the ultrasonic vibration plate 3 on the four lateral walls of the coating liquid tank 1, the coating liquid in the coating liquid tank 1 can be moved by the cooperation of the ultrasonic vibration plates 3 on the four lateral walls, achieving the purpose of stirring and mixing evenly, including but not limited to generating vortex flow of the coating liquid.

[0023] In one embodiment, as shown in Figure 2 The ultrasonic stirring mechanism includes a first ultrasonic generating unit, which includes four first ultrasonic vibration plates 31 arranged on the four lateral walls of the coating liquid tank 1. By the cooperation of the four first ultrasonic vibration plates 31, the coating liquid can be moved in the form of vortex flow, achieving the purpose of stirring and mixing the coating liquid evenly.

[0024] Further preferably, the ultrasonic wave emission path of each first ultrasonic vibration plate 31 deviates from the vertical center line of the coating liquid tank 1; the coating liquid tank 1 is divided into four quadrants by the longitudinal and transverse symmetry planes; and the four first ultrasonic vibration plates 31 are respectively located in the four quadrants.

[0025] The longitudinal and transverse symmetry planes of the coating liquid tank 1 are parallel to the vertical direction, and both pass through the above-mentioned vertical center line, that is, the longitudinal and transverse symmetry planes divide the coating liquid tank 1 into four quadrants.

[0026] From another perspective, in a plane coordinate system with the center of the bottom surface of the coating liquid tank as the origin, there are four quadrants accordingly, and the projections of the four first ultrasonic vibration plates 31 on the bottom surface of the coating liquid tank are respectively located in the four quadrants.

[0027] By arranging the four first ultrasonic vibration plates 31 in the above manner, it is easier to form a vortex liquid flow.

[0028] In one embodiment, as Figure 2 , the ultrasonic stirring mechanism further comprises a second ultrasonic generating unit, which comprises four second ultrasonic vibration plates 32 arranged on the four side walls of the coating liquid tank 1. By cooperating the four second ultrasonic vibration plates 32, the coating liquid can be made to move in the form of a vortex liquid flow, achieving the purpose of stirring and mixing the coating liquid.

[0029] Further preferably, the ultrasonic emission path of each second ultrasonic vibration plate 32 deviates from the vertical center line of the coating liquid tank 1; and the coating liquid tank 1 is divided into four quadrant regions by longitudinal and transverse symmetry planes; and the four second ultrasonic vibration plates 32 are respectively located in the four quadrant regions.

[0030] The longitudinal and transverse symmetry planes are parallel to the vertical direction, and pass through the vertical center line, i.e., the longitudinal and transverse symmetry planes divide the coating liquid tank 1 into four quadrant regions.

[0031] From another perspective, in a plane coordinate system with the center of the bottom surface of the coating liquid tank as the origin, there are four quadrants, and the projections of the four second ultrasonic vibration plates 32 on the bottom surface of the coating liquid tank are respectively located in the four quadrants.

[0032] By arranging the four second ultrasonic vibration plates 32 in the above manner, it is easier to form a vortex liquid flow.

[0033] Further preferably, as Figure 2 , the four first ultrasonic vibration plates 31 and the four second ultrasonic vibration plates 32 are arranged in a circumferential direction of the coating liquid tank 1, i.e., in the circumferential direction of the coating liquid tank 1, there is one second ultrasonic vibration plate 32 between every two adjacent first ultrasonic vibration plates 31, and there is one first ultrasonic vibration plate 31 between every two adjacent second ultrasonic vibration plates 32.

[0034] In one embodiment, as Figure 2 , preferably, the coating liquid tank 1 is divided into four quadrant regions by longitudinal and transverse symmetry planes, and each quadrant region is arranged with one first ultrasonic vibration plate 31 and one second ultrasonic vibration plate 32, which is easy to form a vortex liquid flow.

[0035] Based on the above structure, through the cooperation of the first ultrasonic wave generating unit and the second ultrasonic wave generating unit, the coating liquid can be made to generate clockwise vortex liquid flow and counterclockwise vortex liquid flow, for example, the first ultrasonic wave generating unit forms the first vortex liquid flow in the clockwise direction, and the second ultrasonic wave generating unit forms the second vortex liquid flow in the counterclockwise direction, so that the mixing efficiency and effect of the coating liquid can be improved, and the occurrence of dead angles in the coating liquid tank 1 can be reduced / avoided, and the uniformity of the coating liquid in the coating liquid tank 1 is ensured.

[0036] Preferably, the coating machine is further provided with a controller 4, and each ultrasonic vibration plate 3 is electrically connected with the controller 4, and the controller 4 is used to control the working of each ultrasonic vibration plate 3, so as to stir the coating liquid in the coating liquid tank 1 to mix the coating liquid.

[0037] Preferably, the coating machine is further provided with a controller 4, and each ultrasonic vibration plate 3 is electrically connected with the controller 4, and the controller 4 is used to control the working of each ultrasonic vibration plate 3, so as to stir the coating liquid in the coating liquid tank 1 to mix the coating liquid.

[0038] Preferably, a temperature control mechanism is arranged below the coating liquid tank 1, which includes but is not limited to a water control temperature control mechanism connected to the bottom of the coating liquid tank 1. Through the above-mentioned temperature control mechanism, the temperature of the coating liquid can be ensured to meet the requirements; wherein, in the temperature control process, the above-mentioned coating liquid stirring means can improve the temperature uniformity and temperature control efficiency of the coating liquid. In addition, the temperature rise of the coating liquid caused by the ultrasonic stirring process can be controlled by the above-mentioned temperature control mechanism.

[0039] The above only describes the preferred embodiments of the present application, and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A coating machine for preventing deposition, comprising a coating roller and a coating tank, characterized in that: The coating tank is equipped with an ultrasonic stirring mechanism for stirring the coating liquid. The ultrasonic stirring mechanism includes multiple ultrasonic transducers, each of which is installed on the side wall of the coating tank. The ultrasonic stirring mechanism includes a first ultrasonic generating unit, which includes four first ultrasonic transducers respectively arranged on the four side walls of the coating tank. The ultrasonic emission paths of each of the first ultrasonic transducers are deviated from the vertical center line of the coating tank; the coating tank is divided into four quadrants by the longitudinal and transverse symmetrical planes, and the four first ultrasonic transducers are located in the four quadrants respectively.

2. The coating machine as described in claim 1, characterized in that: The ultrasonic stirring mechanism further includes a second ultrasonic generating unit, which includes four second ultrasonic transducers respectively arranged on the four side walls of the coating tank; the four first ultrasonic transducers and the four second ultrasonic transducers are arranged crosswise along the circumference of the coating tank.

3. The coating machine as described in claim 2, characterized in that: The coating tank is divided into four quadrants by the longitudinal and transverse symmetrical planes, and each quadrant is equipped with a first ultrasonic transducer and a second ultrasonic transducer.

4. The coating machine as described in claim 1, characterized in that: The ultrasonic wave emission direction of the ultrasonic transducer plate is parallel to the normal direction of the transducer plate surface.

5. The coating machine as described in claim 1, characterized in that: The surface of the ultrasonic transducer plate is parallel to the surface of the side wall.

6. The coating machine as described in claim 1, characterized in that: A temperature control mechanism is provided below the coating tank.

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