A circulating filtration device for electrophoresis tank of aluminum profiles

Abstract

This utility model discloses a circulating filtration device for an aluminum profile electrophoresis tank, including a large bag filter tank. The upper surface of the large bag filter tank is provided with multiple filter element mounting slots, each containing a filter element. A circular pressure plate is positioned above the multiple filter elements, and multiple pressure rings are fixedly attached to the lower surface of the circular pressure plate. The large bag filter tank has a circular pressure plate fixed to its upper surface, and multiple pressure rings are fixed to the lower surface of the circular pressure plate, each respectively conforming to the upper surface of one of the multiple filter elements. By using the circular pressure plate, all filter elements can be fixed at once. When all filter elements need to be replaced, simply removing the circular pressure plate releases the fixation of all filter elements at once. This structure improves the efficiency of filter element replacement and reduces replacement time, thus preventing the filtration efficiency of the equipment from being affected.

Description

Technical Field

[0001] This utility model relates to the field of aluminum profile technology, specifically to an aluminum profile electrophoresis tank liquid circulation filtration device. Background Technology

[0002] Electrophoretic coating solution for aluminum profiles refers to a water-soluble working solution used for electrophoretic coating on the surface of aluminum profiles. Under the action of a DC electric field, charged acrylic resin particles in the solution migrate and deposit on the surface of the aluminum profile, which serves as the anode, forming a uniform, dense and corrosion-resistant resin film.

[0003] During the electrophoretic coating process using aluminum profile electrophoretic bath solution, some particulate foreign matter impurities inevitably mix into the interior of the aluminum profile electrophoretic bath solution, such as particles generated in the bath solution or particles introduced during pretreatment. In order to ensure that the electrophoretic coating can obtain a smooth and even coating film, it is necessary to filter the aluminum profile electrophoretic bath solution using equipment such as bag filters and basket filters before the next electrophoretic coating operation. Such equipment used for filtering aluminum profile electrophoretic bath solution can be called an aluminum profile electrophoretic bath solution circulation filtration device.

[0004] However, existing large-scale bag-type aluminum profile electrophoresis tank liquid circulation filtration devices generally have multiple filter elements installed inside, and each filter element has a pressure ring installed inside the bag filter to fix the filter element. When the equipment filters the corresponding amount of aluminum profile electrophoresis tank liquid and the filter element needs to be replaced, the pressure rings used to fix the filter element need to be removed and installed one by one during the replacement process. This process is relatively cumbersome and may take a long time, thus affecting the filtration efficiency of the equipment. Therefore, it does not meet the existing requirements. In response, we propose an aluminum profile electrophoresis tank liquid circulation filtration device. Utility Model Content

[0005] The purpose of this utility model is to provide a circulating filtration device for aluminum profile electrophoresis tank liquid, in order to solve the problems mentioned in the background art. The existing large bag-type aluminum profile electrophoresis tank liquid circulating filtration devices generally have multiple filter elements installed inside, and each filter element has a pressure ring installed inside the bag filter to fix the filter element. When the equipment filters the corresponding amount of aluminum profile electrophoresis tank liquid and the filter element needs to be replaced, the pressure rings used to fix the filter element need to be removed and installed one by one during the replacement process. This process is relatively cumbersome and may take a long time, thus affecting the filtration efficiency of the equipment.

[0006] To achieve the above objectives, this utility model provides the following technical solution: an aluminum profile electrophoresis tank liquid circulation filtration device, comprising a large bag filter tank, the upper end face of the large bag filter tank being provided with multiple filter element mounting slots, the filter element mounting slots containing filter elements, a circular pressure plate being provided above the multiple filter elements, multiple pressure rings being fixedly provided on the lower end face of the circular pressure plate, the position and number of the multiple pressure rings corresponding to the position and number of the multiple filter elements, the lower end face of the multiple pressure rings respectively fitting against the upper end face of the multiple filter elements, and a second through hole penetrating the pressure ring and the circular pressure plate being provided in the middle position of the lower end face of the pressure ring;

[0007] The outer side of the inner side of the circular pressure plate is provided with an annular fixing groove. Each of the four corners of the lower inner wall of the annular fixing groove is provided with a fixing through hole. The fixing through hole is provided with a fixing head that is fixed to the upper end face of the large bag filter tank. The fixing head contains a spring. Both ends of the spring are connected to a rectangular fixing block. The upper end face of the rectangular fixing block is an inclined surface, and the lower end face of the rectangular fixing block is in contact with the inner wall of the annular fixing groove.

[0008] A disassembly sleeve is fitted on the upper side of the outer surface of the fixing head, and the outer surface of the fixing head is in contact with the inner wall of the disassembly sleeve.

[0009] Preferably, a lower pressure ring is fixed to the upper end face of the four disassembly sleeves, located on the upper side inside the annular fixing groove. The outer surface of the lower pressure ring is in contact with the inner wall of the annular fixing groove, and the lower pressure ring is slidably connected to the annular fixing groove.

[0010] Preferably, each of the four corners of the lower end face of the pressure ring is provided with a first circular groove, the interior of the first circular groove is provided with a reset spring, and the outer side of the bottom end of the reset spring is provided with a second circular groove located on the inner wall of the lower end of the annular fixing groove.

[0011] Preferably, the upper side of the rear end face of the large bag filter tank is provided with a liquid inlet, and the outer surface of the circular pressure plate is provided with a first through hole at a position corresponding to the liquid inlet, and the interior of the liquid inlet communicates with the interior of the first through hole.

[0012] Preferably, a reflux trough is provided on the lower side of the interior of the large bag filter tank. The reflux trough is located below the filter element, and an outlet is provided behind the reflux trough, which is installed on the outer surface of the large bag filter tank and communicates with its interior.

[0013] Preferably, the upper end face of the large bag filter tank is covered with a lid, the inner wall of the lid is fixed to a sealing ring, and the lower end face of the sealing ring is in contact with the outer side of the upper end face of the circular pressure plate.

[0014] Preferably, the annular fixing groove is located below the sealing ring, and the internal size of the annular fixing groove is smaller than that of the sealing ring.

[0015] Compared with the prior art, the beneficial effects of this utility model are:

[0016] 1. This utility model features a circular pressure plate fixed to the upper surface of a large bag filter tank via a fixing head. Multiple pressure rings, corresponding in number and position to the filter elements, are fixed to the lower surface of the circular pressure plate. The lower surfaces of these pressure rings are respectively attached to the upper surfaces of the filter elements. This circular pressure plate, with its multiple pressure rings fixed to its lower surface, can secure all filter elements at once. When the equipment has filtered a corresponding amount of aluminum profile electrophoresis tank liquid and all filter elements need to be replaced, simply removing the circular pressure plate releases the fixation of all filter elements at once. This technical solution improves the efficiency of filter element replacement and reduces replacement time, thus preventing any impact on the equipment's filtration efficiency.

[0017] 2. This utility model uses a circular pressure plate that is fixed to the upper end of a large bag filter tank by rectangular fixing blocks located on the outer surface of the fixing head. When it is necessary to release the circular pressure plate and remove it, simply press down on the lower pressure ring located on the outer side of the upper end of the circular pressure plate to push all the rectangular fixing blocks into the interior of the fixing head, thereby releasing the circular pressure plate. The above technical solution further improves the convenience of the equipment. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0019] Figure 2 This is a front view of the entire utility model;

[0020] Figure 3 This utility model Figure 2 Enlarged view of the structure at point A in the middle;

[0021] Figure 4 This utility model Figure 3 Enlarged view of the structure at point B.

[0022] In the diagram: 1. Large bag filter tank; 2. Tank cover; 3. Liquid inlet; 4. Circular pressure plate; 5. First through hole; 6. Filter element mounting groove; 7. Filter element; 8. Pressure ring; 9. Second through hole; 10. Sealing ring; 11. Annular fixing groove; 12. Fixing through hole; 13. Fixing head; 14. Spring; 15. Rectangular fixing block; 16. Inclined surface; 17. Disassembly sleeve; 18. Lower pressure ring; 19. Return spring. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0024] The large bag filter tank 1 (model WXDD-K1D-1S), filter element 7 (model 4040) and return spring 19 (model JX110) mentioned in this utility model can be obtained from the market or through private customization.

[0025] Please see Figures 1 to 4 An embodiment of this utility model is provided: an aluminum profile electrophoresis tank liquid circulation filtration device, including a bag filter tank 1. The upper end face of the large bag filter tank 1 is provided with multiple filter element mounting grooves 6. The filter element mounting grooves 6 contain filter elements 7. A circular pressure plate 4 is provided above the multiple filter elements 7. Multiple pressure rings 8 are fixedly provided on the lower end face of the circular pressure plate 4. The position and number of the multiple pressure rings 8 correspond to the position and number of the multiple filter elements 7 respectively. The lower end face of the multiple pressure rings 8 is respectively attached to the upper end face of the multiple filter elements 7. A second through hole 9 penetrating the pressure ring 8 and the circular pressure plate 4 is provided in the middle position of the lower end face of the pressure ring 8.

[0026] The outer side of the inner side of the circular pressure plate 4 is provided with an annular fixing groove 11. Each of the four corners of the lower inner wall of the annular fixing groove 11 is provided with a fixing through hole 12. The fixing through hole 12 is provided with a fixing head 13 fixed to the upper end face of the large bag filter tank 1. The fixing head 13 contains a spring 14. Both ends of the spring 14 are connected to a rectangular fixing block 15. The upper end face of the rectangular fixing block 15 is an inclined surface 16, and the lower end face of the rectangular fixing block 15 is in contact with the inner wall of the annular fixing groove 11.

[0027] A disassembly sleeve 17 is fitted onto the upper side of the outer surface of the fixing head 13, and the outer surface of the fixing head 13 is in contact with the inner wall of the disassembly sleeve 17; an inlet 3 is provided on the upper side of the rear end face of the large bag filter tank 1, and a first through hole 5 is provided on the outer surface of the circular pressure plate 4 at a position corresponding to the inlet 3, and the interior of the inlet 3 communicates with the interior of the first through hole 5; a reflux groove is provided on the lower side inside the large bag filter tank 1, the reflux groove is located below the filter element 7, and an outlet is provided behind the reflux groove, installed on the outer surface of the large bag filter tank 1 and communicating with its interior; when it is necessary to use When the equipment is in operation, an inlet pipe is installed at the inlet 3 and an outlet pipe is installed at the outlet. Then, the aluminum profile electrophoresis tank liquid to be filtered is introduced into the inlet 3 through the inlet pipe. The aluminum profile electrophoresis tank liquid entering the inlet 3 will be sprayed onto the upper end face of the circular pressure plate 4 through the first through hole 5 on the outer surface of the circular pressure plate 4. The aluminum profile electrophoresis tank liquid sprayed onto the upper end face of the circular pressure plate 4 will enter the interior of the filter element 7 through the second through hole 9 on the upper end face of the circular pressure plate 4. The aluminum profile electrophoresis tank liquid passes through the filter element 7 and can be automatically filtered by the filter element 7.

[0028] The filtered electrophoretic coating solution for aluminum profiles will flow into the interior of the return tank and enter the interior of the outlet pipe through the outlet port.

[0029] A circular pressure plate 4 is fixed to the upper end face of the large bag filter tank 1 by a fixing head 13. Multiple pressure rings 8 are fixed to the lower end face of the circular pressure plate 4, and their number and position are respectively corresponding to the filter element 7. The lower end face of the multiple pressure rings 8 is respectively attached to the upper end face of the multiple filter elements 7. By fixing multiple pressure rings 8 to the lower end face of the circular pressure plate 4, all filter elements 7 can be fixed at one time. When the equipment filters the corresponding amount of aluminum profile electrophoresis tank liquid and all filter elements 7 need to be replaced, the fixing of all filter elements 7 can be released at one time by simply removing the circular pressure plate 4.

[0030] The above technical solution improves the efficiency of replacing filter element 7 and reduces the replacement time, thereby avoiding any impact on the equipment's filtration efficiency.

[0031] The upper end of the large bag filter tank 1 is covered with a tank cover 2. The inner wall of the tank cover 2 is fixed to the sealing ring 10, and the lower end of the sealing ring 10 is in contact with the outer side of the upper end of the circular pressure plate 4. When the filter element 7 needs to be replaced, the tank cover 2 is removed first.

[0032] A lower pressure ring 18 is fixed to the upper end face of each of the four disassembly sleeves 17, located on the upper side inside the annular fixing groove 11. The outer surface of the lower pressure ring 18 is in contact with the inner wall of the annular fixing groove 11, and the lower pressure ring 18 and the annular fixing groove 11 are slidably connected. When the can cover 2 is removed, the four disassembly sleeves 17 are pushed downwards synchronously by the lower pressure ring 18. During the downward movement of the disassembly sleeves 17, they will contact the inclined surface 16 located on the upper end face of the rectangular fixing block 15. Under the action of the inclined surface 16, as the disassembly sleeves 17 descend, the rectangular fixing block 15 will be pushed inwards. When the rectangular fixing block 15 is completely inside the fixing head 13, the fixing of the circular pressure plate 4 will also be released. Then the circular pressure plate 4 can be directly removed. When the circular pressure plate 4 is removed, the fixing of the filter element 7 will also be released. Then all the filter elements 7 can be replaced directly.

[0033] Each of the four corners of the lower end face of the pressure ring 18 is provided with a first circular groove. The first circular groove is provided with a return spring 19 inside. The outer side of the bottom end of the return spring 19 is provided with a second circular groove located on the inner wall of the lower end of the annular fixing groove 11. When the pressure ring 18 is pushed down, the pressure ring 18 will squeeze the return spring 19 connected to it. When the circular pressure plate 4 is removed and the downward pressure applied to the pressure ring 18 is released, the pressure ring 18 and the disassembly sleeve 17 can be pushed back to their original positions by the reaction force of the squeezed return spring 19.

[0034] The reset spring 19 in the above technical solution can prevent the disassembly sleeve 17 from staying in the pushed position, which would cause the rectangular fixing block 15 to be unable to be inserted into the annular fixing groove 11 when fixing the circular pressure plate 4 later.

[0035] After all the filter elements 7 have been replaced, the circular pressure plate 4 is installed back in its original position. As the circular pressure plate 4 moves toward its original position, the fixing through hole 12 on the lower end face of the circular pressure plate 4 will contact the inclined surface 16 on the upper end face of the rectangular fixing block 15. As the circular pressure plate 4 moves, the rectangular fixing block 15 will be pushed inward under the action of the inclined surface 16, and the rectangular fixing block 15 will squeeze the spring 14 connected to it during the process of being pushed inward.

[0036] When the lower end face of the circular pressure plate 4 is in contact with the upper end face of the large bag filter tank 1, the rectangular fixing block 15 can be inserted into the annular fixing groove 11 by the reaction action of the compressed spring 14, thereby fixing the circular pressure plate 4.

[0037] The above technical solution enables quick assembly and disassembly of the circular pressure plate 4, thereby further improving the convenience of the equipment.

[0038] The annular fixing groove 11 is located below the sealing ring 10, and the internal size of the annular fixing groove 11 is smaller than that of the sealing ring 10. After the circular pressure plate 4 is installed, when the can cover 2 is put back on the upper end face of the large bag filter tank 1, the sealing ring 10 fixed to the inner wall of the can cover 2 will re-fit against the outer side of the upper end face of the circular pressure plate 4 to seal the sealing ring 10. By sealing the annular fixing groove 11, it is possible to prevent the lower pressure ring 18 located inside the annular fixing groove 11 from contacting the aluminum profile electrophoresis tank liquid sprayed from the first through hole 5 and being pushed downward.

[0039] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A circulating filtration device for electrophoresis tank of aluminum profiles, comprising a large bag filter tank (1), characterized in that: The upper end face of the large bag filter tank (1) is provided with multiple filter element mounting grooves (6), the filter element mounting grooves (6) contain filter elements (7), a circular pressure plate (4) is provided above the multiple filter elements (7), multiple pressure rings (8) are fixedly provided on the lower end face of the circular pressure plate (4), the position and number of the multiple pressure rings (8) correspond to the position and number of the multiple filter elements (7), the lower end face of the multiple pressure rings (8) is in contact with the upper end face of the multiple filter elements (7), and a second through hole (9) penetrating the pressure ring (8) and the circular pressure plate (4) is provided in the middle position of the lower end face of the pressure ring (8). The outer side of the inner side of the circular pressure plate (4) is provided with an annular fixing groove (11). Each of the four corners of the inner wall of the lower end of the annular fixing groove (11) is provided with a fixing through hole (12). The fixing through hole (12) is provided with a fixing head (13) fixed to the upper end face of the large bag filter tank (1). The fixing head (13) contains a spring (14). Both ends of the spring (14) are connected to a rectangular fixing block (15). The upper end face of the rectangular fixing block (15) is an inclined surface (16), and the lower end face of the rectangular fixing block (15) is in contact with the inner wall of the annular fixing groove (11). The upper side of the outer surface of the fixing head (13) is fitted with a disassembly sleeve (17), and the outer surface of the fixing head (13) is in contact with the inner wall of the disassembly sleeve (17).

2. The aluminum profile electrophoresis tank liquid circulation filtration device according to claim 1, characterized in that: The upper end face of the four disassembly sleeves (17) is fixed with a lower pressure ring (18) located inside the upper side of the annular fixing groove (11). The outer surface of the lower pressure ring (18) is in contact with the inner wall of the annular fixing groove (11), and the lower pressure ring (18) is slidably connected to the annular fixing groove (11).

3. The aluminum profile electrophoresis tank liquid circulation filtration device according to claim 2, characterized in that: The lower end face of the pressure ring (18) is provided with a first circular groove at each of the four corners. A reset spring (19) is provided inside the first circular groove. A second circular groove is provided on the outer side of the bottom end of the reset spring (19) located on the inner wall of the lower end of the annular fixing groove (11).

4. The aluminum profile electrophoresis tank liquid circulation filtration device according to claim 1, characterized in that: The large bag filter tank (1) has an inlet (3) on the upper side of the rear end face. The outer surface of the circular pressure plate (4) is provided with a first through hole (5) at the position corresponding to the inlet (3), and the interior of the inlet (3) is connected to the interior of the first through hole (5).

5. The aluminum profile electrophoresis tank liquid circulation filtration device according to claim 1, characterized in that: The large bag filter tank (1) has a reflux trough on its lower side inside. The reflux trough is located below the filter element (7), and the reflux trough has an outlet installed on the outer surface of the large bag filter tank (1) and communicating with its interior.

6. The aluminum profile electrophoresis tank liquid circulation filtration device according to claim 1, characterized in that: The upper end of the large bag filter tank (1) is covered with a lid (2), the inner wall of the lid (2) is fixed to a sealing ring (10), and the lower end of the sealing ring (10) is in contact with the outer side of the upper end of the circular pressure plate (4).

7. The aluminum profile electrophoresis tank liquid circulation filtration device according to claim 6, characterized in that: The annular fixing groove (11) is located below the sealing ring (10), and the internal size of the annular fixing groove (11) is smaller than that of the sealing ring (10).

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