Water circulation device for electrophoretic coating

Abstract

The utility model discloses a water circulation device for electrophoretic painting, which relates to the technical field of electrophoretic painting, and comprises a filter box, a filter and a circulating water pump, the filter is fixed on one side of the filter box through a liquid inlet pipe, the circulating water pump is fixedly connected on one side of the filter box far away from the filter, and the filter is fixed on one side of the filter box through a liquid outlet pipe. The circulating water pump is communicated with the filter box through a liquid outlet pipe; the filter comprises a hollow pipe fixed at the end part of the liquid inlet pipe and a flange plate, the flange plate is integrally arranged at the end part of the hollow pipe, and a liquid filtering net is fixed at the bottom of the hollow pipe in an annular array manner; according to the solid-liquid separation device, electrophoresis liquid flows downwards from the inner side of the fixed frame and is filtered through the hollow filter screen, and the spiral guide plate guides the electrophoresis requirement for downward flowing, so that the electrophoresis liquid spirally and rapidly flows along the surface of the spiral guide plate, a certain centrifugal force is formed, the solid-liquid separation speed is increased, and the efficiency is improved.

Description

Technical Field

[0001] The utility model specifically relates to the technical field of electrophoretic coating, in particular to a water circulation device for electrophoretic coating. Background Art

[0002] The electrophoretic coating water circulation device is an important part of the electrophoretic coating process, and is mainly used to treat and circulate the water used in the electrophoretic coating process.

[0003] The water used in the electrophoretic coating process enters the water circulation device, first passes through the filtration system to remove larger solid particles, and then the water temperature is adjusted to an appropriate range through the heat exchange system. The treated water is returned to the electrophoretic coating system for recycling under the action of the water pump.

[0004] However, in practice, people have noticed that during the filtration process, due to the small pores of the filter mesh, it takes a long time for the solid particles to separate from the electrophoretic fluid, resulting in a slower falling speed of the electrophoretic fluid during filtration, affecting the circulation efficiency. Utility Model Content

[0005] The purpose of the utility model is to provide a water circulation device for electrophoretic coating, which uses a ring-shaped array of filtrate nets to make multiple filter nets filter at the same time, and each filtrate net is provided with a spiral guide plate inside, so that the electrophoretic liquid flows downward in a spiral shape quickly, and the centrifugal force generated accelerates the speed of solid-liquid separation and improves the filtration efficiency, so as to solve the technical problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A water circulation device for electrophoretic coating, comprising a filter box, a filter and a circulating water pump, wherein the filter is fixed to one side of the filter box through a liquid inlet pipe, the circulating water pump is fixedly connected to the side of the filter box away from the filter, and the circulating water pump is connected to the filter box through a liquid outlet pipe;

[0008] The filter comprises a hollow tube and a flange fixed at the end of a liquid inlet pipe. The flange is integrally arranged at the end of the hollow tube. A filtrate net is fixed at the bottom of the hollow tube in an annular array.

[0009] As a further technical solution of the utility model, the filtrate net comprises a fixed frame fixed to the hollow tube, and a hollow filter net for filtering the electrophoresis liquid is integrally provided at the bottom of the fixed frame.

[0010] As a further technical solution of the utility model, a spiral guide plate arranged in a spiral shape is inserted into the inner side of the hollow filter screen, and the bottom of the spiral guide plate is fixedly connected to the hollow filter screen through a baffle.

[0011] As a further technical solution of the utility model, a plurality of partitions are arranged inside the filter box, and the heights of the partitions are arranged to increase in sequence from left to right.

[0012] As a further technical solution of the utility model, an observation window is embedded in the side of the filter box, and the observation window and the partition are spaced apart from each other.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] In the utility model, the electrophoresis liquid flows downward from the inner side of the fixed frame, is filtered by the hollow filter screen, and the spiral guide plate guides the electrophoresis liquid flowing downward, so that it flows rapidly in a spiral shape along the surface of the spiral guide plate, forming a certain centrifugal force, accelerating the speed of solid-liquid separation, and improving efficiency;

[0015] In the utility model, the electrophoresis liquid enters the inner side of the hollow tube, passes through a plurality of fixed frames and enters a plurality of hollow filter screens for filtration, and the filtration speed of the electrophoresis liquid is increased at the same time, thereby improving the filtration efficiency of the entire filtration system;

[0016] According to the utility model, the bolts on the flange are removed, and then the filtrate net is taken out from the inner side of the hollow tube, so that the filtrate net can be disassembled and the filtered matter inside can be cleaned conveniently and quickly. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model in use state.

[0018] Figure 2 This utility model Figure 1 Top view of the .

[0019] Figure 3 This utility model Figure 2 sectional view of .

[0020] Figure 4 It is a three-dimensional structural schematic diagram of the filter in the utility model.

[0021] Figure 5 It is a three-dimensional structural schematic diagram of the filtrate net in the utility model.

[0022] In the figure:

[0023] Filter box 1. Partition plate 11, observation window 2, air filter hole 3, liquid outlet pipe 4, circulating water pump 5, liquid inlet pipe 6, filter 7, hollow pipe 71, flange 72, filtrate net 73, fixing frame 731, hollow filter net 732, baffle 733, spiral guide plate 734. DETAILED DESCRIPTION

[0024] 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 in 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.

[0025] See also Figure 1-5 The embodiment of the utility model provides a water circulation device for electrophoretic coating, comprising a filter box 1, a filter 7 and a circulating water pump 5, wherein the filter 7 is fixed to one side of the filter box 1 through a liquid inlet pipe 6, the circulating water pump 5 is fixedly connected to a side of the filter box 1 away from the filter 7, and the circulating water pump 5 is connected to the filter box 1 through a liquid outlet pipe 4;

[0026] The filter 7 comprises a hollow tube 71 fixed to the end of the liquid inlet pipe 6 and a flange 72. The flange 72 is integrally arranged at the end of the hollow tube 71. A filtrate net 73 is fixed to the bottom of the hollow tube 71 in an annular array.

[0027] In this embodiment, the filtrate net 73 comprises a fixing frame 731 fixed to the hollow tube 71 , and a hollow filter net 732 for filtering the electrophoresis liquid is integrally provided at the bottom of the fixing frame 731 .

[0028] In this embodiment, a spiral guide plate 734 arranged in a spiral shape is inserted into the inner side of the hollow filter screen 732 , and the bottom of the spiral guide plate 734 is fixedly connected to the hollow filter screen 732 via a baffle 733 .

[0029] In this embodiment, a plurality of partitions 11 are disposed inside the filter box 1, and the heights of the partitions 11 are arranged to increase in sequence from left to right.

[0030] In this embodiment, an observation window 2 is embedded in the side of the filter box 1, and the observation window 2 and the partition plate 11 are spaced apart from each other.

[0031] By adopting the above technical solution, the hollow tube 71 is first fixed on one side of the drain outlet of the electrophoresis pool, and the electrophoresis liquid enters the hollow tube 71 through the drain pipe, and then flows downward from the fixed frame 731 inside the hollow tube 71. The hollow filter screen 732 filters the electrophoresis liquid, and the electrophoresis liquid is guided by the spiral guide plate 734 to fall in a spiral shape during the flow. A certain centrifugal force will be generated during the downward process, which can accelerate the speed of solid-liquid separation, thereby increasing the filtration speed.

[0032] In this embodiment, the end of the liquid inlet pipe 6 away from the filter box 1 is connected to the bottom of the hollow tube 71 by screws, and the filtrate net 73 extends to the inner side of the liquid inlet pipe 6, so as to facilitate cleaning of the filtrate net 73 after removing the hollow tube 71.

[0033] Specifically, one end of the liquid inlet pipe 6 is connected to the inner side of the filter box 1, and the other end is connected to the inner side of the hollow filter screen 732 in the hollow tube 71, so as to guide the filtered electrophoresis liquid into the filter box 1 for precipitation.

[0034] In this embodiment, one end of the liquid outlet pipe 4 is connected to the inlet of the circulating water pump 5, and the other end is connected to the lower side of the filter box 1, so that the precipitated electrophoresis liquid is sent to the electrophoresis tank for circulation.

[0035] In this embodiment, an air filter hole 3 is further provided on the upper inner side of the filter box 1 , and an air filter cotton net and a U-shaped air inlet pipe are installed on the inner side of the air filter hole 3 .

[0036] Furthermore, one end of the U-shaped air inlet pipe is connected to the inner side of the filter box 1 , and the other end is connected to the outer side of the filter box 1 .

[0037] Specifically, the air filter cotton net is fixed to one end of the U-shaped air inlet pipe connected to the outer side of the filter box 1 to prevent dust in the air from contaminating the filtered electrophoresis liquid.

[0038] The working principle of the utility model is as follows: when in use, firstly, the end of the hollow tube 71 is connected to one side of the drain outlet of the electrophoresis pool, the outlet of the circulating water pump 5 is connected to one side of the electrophoresis liquid inlet pipe, and then the electrophoresis liquid in the electrophoresis pool enters the hollow tube 71 through the drain outlet, and then enters the inner side of the hollow filter screen 732 through the fixed frame 731 for filtration, and at the same time, the spiral guide plate 734 guides the falling electrophoresis liquid, so that the electrophoresis liquid rotates in a spiral shape along the surface of the spiral guide plate 734, generating a certain centrifugal force, accelerating the speed of solid-liquid separation, and then the filtered electrophoresis liquid enters the inner side of the filter box 1 through the inlet pipe 6 for precipitation, the partition 11 blocks the precipitate, and the precipitated electrophoresis liquid flows to the next area as the liquid level rises, and finally, the precipitated electrophoresis liquid is sent back to the electrophoresis pool for use through the cooperation of the outlet pipe 4 and the circulating water pump 5; the structure is simple, the operation is very convenient, and the labor intensity is effectively reduced.

[0039] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0040] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A water circulation device for electrophoretic coating, characterized in that: The invention comprises a filter box (1), a filter (7) and a circulating water pump (5), wherein the filter (7) is fixed to one side of the filter box (1) via a liquid inlet pipe (6), the circulating water pump (5) is fixedly connected to a side of the filter box (1) away from the filter (7), and the circulating water pump (5) is connected to the filter box (1) via a liquid outlet pipe (4); The filter (7) comprises a hollow tube (71) fixed to the end of the liquid inlet pipe (6) and a flange (72); the flange (72) is integrally arranged at the end of the hollow tube (71); and a filtrate net (73) is fixed in an annular array at the bottom of the hollow tube (71).

2. The water circulation device for electrophoretic coating according to claim 1, characterized in that: The filtrate net (73) comprises a fixing frame (731) fixed to the hollow tube (71), and a hollow filter net (732) for filtering the electrophoresis liquid is integrally provided at the bottom of the fixing frame (731).

3. The water circulation device for electrophoretic coating according to claim 2, characterized in that: A spiral guide plate (734) arranged in a spiral shape is inserted into the inner side of the hollow filter screen (732), and the bottom of the spiral guide plate (734) is fixedly connected to the hollow filter screen (732) via a baffle plate (733).

4. The water circulation device for electrophoretic coating according to claim 1, characterized in that: A plurality of partitions (11) are provided on the inner side of the filter box (1), and the heights of the partitions (11) are arranged to increase in sequence from left to right.

5. The water circulation device for electrophoretic coating according to claim 4, characterized in that: An observation window (2) is also embedded in the side of the filter box (1), and the observation window (2) and the partition plate (11) are arranged at a distance from each other.

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