Energy-saving and environment-friendly electrophoretic coating purifying and filtering device

Abstract

The utility model relates to an energy-saving and environment-friendly electrophoretic coating purifying and filtering device, which belongs to the technical field of coating, and comprises a box body, a winding mechanism is arranged in the box body, a plugging mechanism is arranged in the box body, a liquid inlet pipe is fixedly communicated with the upper surface of the box body and is positioned at the center of the box body, a liquid outlet bin is fixed on the lower surface of the box body, and a liquid outlet pipe is arranged in the liquid outlet bin. A storage box is fixed to the lower surface of the liquid outlet bin, and a liquid discharging pipe fixedly communicates with the position, close to the bottom end, of the right side of the storage box. According to the energy-saving and environment-friendly electrophoretic coating purifying and filtering device, the driving device is started, partial area of the ultrafiltration membrane is transmitted towards the direction of the winding roller, the purpose of automatically replacing the ultrafiltration membrane is achieved, electrophoretic coating liquid is filtered by the filtering plate and enters the box body when being conveyed to the filtering plate, the electrophoretic coating liquid is further filtered by the ultrafiltration membrane, and then the electrophoretic coating liquid is purified. And the liquid outlet storage is stored in the storage box, and the electrophoretic coating liquid can be conveyed again through the liquid inlet pipe after being used, so that the purposes of energy conservation and environmental protection are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of coating, in particular to an energy-saving and environment-friendly electrophoretic coating purification and filtering device. Background Art

[0002] Electrophoretic coating is a coating method that uses an external electric field to direct the migration of particles such as pigments and resins suspended in the electrophoretic liquid and deposit them on the surface of the substrate of one of the electrodes. Electrophoretic coating is a new surface treatment technology. After the workpiece is pre-treated by degreasing, pickling and phosphating, the charged electrophoretic paint adheres to the metal surface under the action of the electric field to form a dense protective layer, which can improve the product's corrosion resistance and decorative properties.

[0003] For example, Chinese patent CN213834756U discloses a purification and filtration device for an electrophoretic coating production line, including a water injection pipe, the water injection pipe is connected to an ultrafiltration water tank one, the ultrafiltration water tank one is connected to an ultrafiltration water tank two through an overflow water pipe one, the ultrafiltration water tank two is connected to an ultrafiltration water tank three through a connecting pipe, the ultrafiltration water tank three is connected to a sedimentation tank through an overflow water pipe two, the sedimentation tank is provided with a water inlet pipe, the water inlet pipe is inserted into a filter box body, and a terminal filter layer is provided in the middle of the filter box body.

[0004] The above-mentioned purification and filtration device of the electrophoretic coating production line still has certain shortcomings. It reduces the impact of impurities on the coating of accessories and saves resources by recycling the filtered electrophoretic liquid, which is environmentally friendly and efficient. However, the ultrafiltration membrane needs to be replaced after being used for too long, and it is equipped with multiple ultrafiltration water tanks, which makes the replacement of the ultrafiltration membrane more cumbersome. Therefore, the present application proposes an energy-saving and environmentally friendly electrophoretic coating purification and filtration device to solve the above problems. Utility Model Content

[0005] In view of the shortcomings of the prior art, the utility model provides an energy-saving and environmentally friendly electrophoretic coating purification filtration device, which has the advantage of automatically replacing the ultrafiltration membrane, solving the problem that the ultrafiltration membrane needs to be replaced after being used for too long, while multiple ultrafiltration water tanks are set up, making the replacement of the ultrafiltration membrane rather cumbersome.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an energy-saving and environmentally friendly electrophoretic coating purification and filtering device, comprising a box body, a winding mechanism is provided inside the box body, a blocking mechanism is provided inside the box body, a liquid inlet pipe is fixedly connected to the upper surface of the box body and located at the center thereof, a liquid outlet bin is fixedly connected to the lower surface of the box body, a storage box is fixedly connected to the lower surface of the liquid outlet bin, and a liquid discharge pipe is fixedly connected to the right side of the storage box and near the bottom end thereof;

[0007] The winding mechanism includes a winding assembly and a guide assembly, and the winding assembly includes a winding seat, a winding roller, a conveying seat, a conveying roller, an ultrafiltration membrane and a driving device. The winding seat is fixed to the left side of the box body by bolts, and the winding roller is rotatably connected between the front and rear side walls of the inner cavity of the winding seat through a bearing. The conveying seat is fixed to the right side of the box body by bolts, and the conveying roller is rotatably connected between the front and rear side walls of the inner cavity of the conveying seat through a bearing. The driving device is fixed to the back side of the winding seat, and the left and right ends of the ultrafiltration membrane are respectively fixed to the outer sides of the winding roller and the conveying roller;

[0008] The guide assembly includes two supporting rollers and two positioning rollers, the two supporting rollers are respectively mounted on the left and right side walls of the inner cavity of the box body, and the two positioning rollers are respectively mounted on the left and right side walls of the inner cavity of the box body and close to the inner bottom wall of the box body;

[0009] The sealing mechanism includes a dual-axis motor, two screw rods, two movable sleeves, two hinged plates, two fixed cylinders, two connecting plates and two baffles. The dual-axis motor is fixed to the upper surface of the box body, the two screw rods are respectively fixed to the outer sides of the output shafts at both ends of the dual-axis motor, the two movable sleeves are respectively threadedly connected to the outer sides of the two screw rods, the two hinged plates are respectively hinged to the upper surfaces of the two movable sleeves through hinge shafts, the two fixed cylinders are both fixed to the inner top wall of the box body, the two baffles are respectively slidably connected to the outer sides of the two fixed cylinders, and the two connecting plates are respectively fixed to the inner bottom walls of the two baffles.

[0010] The beneficial effect of adopting the above further scheme is that the ultrafiltration membrane can be rolled up through the guide assembly, so that a part of the ultrafiltration membrane after use begins to be transmitted in the direction of the winding roller, thereby achieving the purpose of automatically replacing the ultrafiltration membrane.

[0011] Furthermore, a filter plate is fixed to the inner wall of the inner cavity of the liquid inlet pipe by bolts, and the shape of the liquid outlet bin is funnel-shaped and the bottom is connected to the storage box.

[0012] The beneficial effect of adopting the above further solution is that when the electrophoretic coating liquid is transported to the filter plate, it is filtered by the filter plate.

[0013] Furthermore, the winding roller is fixed on the outside of the output shaft of the driving device, and the left and right sides of the box body are both provided with communication ports located outside the ultrafiltration membrane.

[0014] The beneficial effect of adopting the above further solution is: starting the driving device causes the winding roller to start rotating, thereby driving the ultrafiltration membrane to be wound up.

[0015] Furthermore, the ultrafiltration membrane is driven and attached to the outer sides of the left and right support rollers and the positioning rollers, and a plurality of flow holes are provided on the lower surface of the box body.

[0016] The beneficial effect of adopting the above further solution is: when the driving device is started, the ultrafiltration membrane is pulled and driven to fit on the outer sides of the supporting rollers and the positioning rollers on the left and right sides.

[0017] Furthermore, the front and rear sides of the two baffles are movably fitted with the front and rear side walls of the inner cavity of the box, and the two hinged plates are hinged to the opposite sides of the two connecting plates through hinge shafts.

[0018] The beneficial effect of adopting the above further solution is: the two baffles are driven to move upwards by the hinged plates on the left and right sides respectively, so as to facilitate the replacement of the ultrafiltration membrane.

[0019] Furthermore, grooves are provided on the upper and lower sides of the two fixing tubes, and the two connecting plates are respectively located in the two fixing tubes.

[0020] Furthermore, two slideways are fixed on the upper surface of the box body, and sliding blocks slidably connected to the slideways are fixed on the lower surfaces of the two movable sleeves.

[0021] The beneficial effect of adopting the above further solution is that a slider slidably connected to the slideway is fixed to the lower surface of the two movable sleeves to limit the rotation of the two movable sleeves.

[0022] Furthermore, the two baffles are movably attached to the outer side of the ultrafiltration membrane, and the bottom end of the liquid inlet pipe penetrates the upper surface of the box body and extends to the inside of the box body.

[0023] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0024] 1. The energy-saving and environmentally friendly electrophoretic coating purification and filtration device starts the driving device, so that the partial area of ​​the ultrafiltration membrane after use begins to transmit in the direction of the winding roller, so as to achieve the purpose of automatically replacing the ultrafiltration membrane. When the electrophoretic coating liquid is transported to the filter plate, it is filtered by the filter plate and then enters the interior of the box. The ultrafiltration membrane is used to further filter the electrophoretic coating liquid, and it is stored in the storage box through the liquid outlet bin. After the electrophoretic coating liquid is used, it can also be transported again through the liquid inlet pipe, so that it has the purpose of energy saving and environmental protection.

[0025] 2. The energy-saving and environmentally friendly electrophoretic coating purification and filtration device starts the dual-axis motor to rotate the left and right screw rods. When the left and right movable sleeves move back to back, the left and right connecting plates are used to drive the two baffles to move upward respectively, so as to facilitate the replacement of the ultrafiltration membrane and achieve the purpose of replacing the ultrafiltration membrane without entering the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the structure of the utility model;

[0027] Figure 2 This is a schematic diagram of the winding mechanism of the utility model;

[0028] Figure 3 This is a schematic diagram of the blocking mechanism of the utility model;

[0029] Figure 4 It is a three-dimensional diagram of the baffle structure of the utility model.

[0030] In the figure: 1. box body; 2. winding mechanism; 201. winding seat; 202. winding roller; 203. conveying seat; 204. conveying roller; 205. supporting roller; 206. positioning roller; 207. ultrafiltration membrane; 3. liquid inlet pipe; 4. blocking mechanism; 401. double-axis motor; 402. screw rod; 403. movable sleeve; 404. hinged plate; 405. fixed cylinder; 406. connecting plate; 407. baffle; 5. filter plate; 6. liquid outlet bin; 7. storage box; 8. drain pipe. DETAILED DESCRIPTION

[0031] 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.

[0032] See also Figure 1 An energy-saving and environmentally friendly electrophoretic coating purification and filtering device in this embodiment includes a box body 1, a winding mechanism 2 is provided inside the box body 1, a sealing mechanism 4 is provided inside the box body 1, a liquid inlet pipe 3 is fixedly connected to the upper surface of the box body 1 and located at the center thereof, a liquid outlet bin 6 is fixedly provided on the lower surface of the box body 1, a storage box 7 is fixedly provided on the lower surface of the liquid outlet bin 6, and a liquid discharge pipe 8 is fixedly connected to the right side of the storage box 7 and near its bottom end.

[0033] In this embodiment, a filter plate 5 is fixed to the inner wall of the inner cavity of the liquid inlet pipe 3 by bolts. The liquid outlet bin 6 is funnel-shaped and the bottom is connected to the storage box 7. The electrophoretic coating liquid is transported through the liquid inlet pipe 3. When the electrophoretic coating liquid is transported to the filter plate 5, it is filtered by the filter plate 5 and then enters the interior of the box body 1. After use, the electrophoretic coating liquid can be transported again through the liquid inlet pipe 3, so that it has the purpose of energy saving and environmental protection.

[0034] See also Figure 2In order to automatically replace the ultrafiltration membrane 207, the winding mechanism 2 in this embodiment includes a winding assembly and a guide assembly. The winding assembly includes a winding seat 201, a winding roller 202, a conveying seat 203, a conveying roller 204, an ultrafiltration membrane 207 and a driving device. The winding seat 201 is fixed to the left side of the box body 1 by bolts, and the winding roller 202 is rotatably connected between the front and rear side walls of the inner cavity of the winding seat 201 through a bearing. The conveying seat 203 is fixed to the right side of the box body 1 by bolts, and the conveying roller 204 is rotatably connected to the front side walls of the inner cavity of the conveying seat 203 through a bearing. Between the rear two side walls, the driving device is fixed on the back side of the winding seat 201, and the left and right ends of the ultrafiltration membrane 207 are respectively fixed on the outside of the winding roller 202 and the conveying roller 204. The ultrafiltration membrane 207 is used to further filter the electrophoretic coating liquid and store it in the storage box 7 through the liquid outlet bin 6. The guide assembly includes two supporting rollers 205 and two positioning rollers 206. The two supporting rollers 205 are respectively installed on the left and right side walls of the inner cavity of the box body 1, and the two positioning rollers 206 are respectively installed on the left and right side walls of the inner cavity of the box body 1 and close to the inner bottom wall of the box body 1.

[0035] In this embodiment, the winding roller 202 is fixed on the outside of the output shaft of the driving device, and the left and right sides of the box body 1 are provided with connecting ports located on the outside of the ultrafiltration membrane 207. The driving device is started to make the winding roller 202 start to rotate. At this time, the ultrafiltration membrane 207 is pulled and driven to fit the outside of the support rollers 205 and the positioning rollers 206 on the left and right sides, so that part of the ultrafiltration membrane 207 after use begins to be transmitted in the direction of the winding roller 202, so as to achieve the purpose of automatically replacing the ultrafiltration membrane 207. The ultrafiltration membrane 207 is driven to fit the outside of the support rollers 205 and the positioning rollers 206 on the left and right sides, and a plurality of flow holes are opened on the lower surface of the box body 1.

[0036] It should be noted that, when the driving device is started, a partial area of ​​the ultrafiltration membrane 207 after use begins to be transmitted in the direction of the winding roller 202, so as to achieve the purpose of automatically replacing the ultrafiltration membrane 207. When the electrophoretic coating liquid is transported to the filter plate 5, it is filtered by the filter plate 5 and then enters the interior of the box body 1. The ultrafiltration membrane 207 is used to further filter the electrophoretic coating liquid, and it is stored in the storage box 7 through the liquid outlet bin 6. After use, the electrophoretic coating liquid can be transported again through the liquid inlet pipe 3, so that it has the purpose of energy saving and environmental protection.

[0037] See also Figure 3-4In order to facilitate the replacement of the ultrafiltration membrane 207, the blocking mechanism 4 in this embodiment includes a dual-axis motor 401, two screw rods 402, two movable sleeves 403, two hinged plates 404, two fixed cylinders 405, two connecting plates 406 and two baffles 407. The dual-axis motor 401 is fixed to the upper surface of the box body 1, the two screw rods 402 are respectively fixed to the outer sides of the output shafts at both ends of the dual-axis motor 401, the two movable sleeves 403 are respectively threadedly connected to the outer sides of the two screw rods 402, the two hinged plates 404 are respectively hinged to the upper surfaces of the two movable sleeves 403 through hinge shafts, the two fixed cylinders 405 are both fixed to the inner top wall of the box body 1, the two baffles 407 are respectively slidably connected to the outer sides of the two fixed cylinders 405, and the two connecting plates 406 are respectively fixed to the inner bottom walls of the two baffles 407.

[0038] In this embodiment, the front and rear sides of the two baffles 407 are movably fitted with the front and rear side walls of the inner cavity of the box body 1, and the two hinged plates 404 are respectively hinged to the opposite sides of the two connecting plates 406 through hinge shafts. The upper and lower sides of the two fixed cylinders 405 are provided with grooves, and the two connecting plates 406 are respectively located in the two fixed cylinders 405. Two slideways are fixed on the upper surface of the box body 1, and sliders slidably connected to the slideways are fixed on the lower surfaces of the two movable sleeves 403. By starting the dual-axis motor 401, The left and right side screw rods 402 start to rotate, and when the left and right side movable sleeves 403 move away from each other, the left and right side connecting plates 406 are used to drive the two baffles 407 to move upward respectively, so as to facilitate the replacement of the ultrafiltration membrane 207. The two baffles 407 are movably fitted on the outside of the ultrafiltration membrane 207, and the bottom end of the liquid inlet pipe 3 passes through the upper surface of the box body 1 and extends to the inside of the box body 1. After winding, the output shafts at both ends of the dual-axis motor 401 can be reset, so that the left and right side baffles 407 can re-position the ultrafiltration membrane 207.

[0039] It should be noted that by starting the dual-axis motor 401, the left and right side screw rods 402 begin to rotate. When the left and right side movable sleeves 403 move away from each other, the left and right side connecting plates 406 are used to drive the two baffles 407 to move upward respectively, so as to facilitate the replacement of the ultrafiltration membrane 207 and achieve the purpose of replacing the ultrafiltration membrane 207 without entering the interior of the equipment.

[0040] It is understandable that matters not described in detail in the present invention are all well-known technologies to those skilled in the art.

[0041] The working principle of the above embodiment is:

[0042] (1) When the energy-saving and environmentally friendly electrophoretic coating purification and filtering device is needed, the electrophoretic coating liquid is transported through the liquid inlet pipe 3. When the electrophoretic coating liquid is transported to the filter plate 5, it is filtered by the filter plate 5 and then enters the interior of the box body 1. The electrophoretic coating liquid is further filtered by the ultrafiltration membrane 207 and stored in the storage box 7 through the liquid outlet bin 6. After the electrophoretic coating liquid is used, it can be transported again through the liquid inlet pipe 3 to achieve the purpose of energy saving and environmental protection. When the filtering effect of the ultrafiltration membrane 207 decreases after long-term use, the double-axis motor 401 is started to make the left and right side screws 402 start to rotate. When the left and right side movable sleeves 403 move away from each other, the left and right side connecting plates 406 are used to drive the two baffles 407 to move upward respectively, so as to facilitate the replacement of the ultrafiltration membrane 207.

[0043] (2) At this time, the driving device is started to make the winding roller 202 start to rotate, and the ultrafiltration membrane 207 is pulled and driven to fit the outer sides of the left and right support rollers 205 and the positioning rollers 206, so that part of the ultrafiltration membrane 207 after use begins to be driven in the direction of the winding roller 202, so as to achieve the purpose of automatically replacing the ultrafiltration membrane 207. After the winding is completed, the output shafts at both ends of the dual-axis motor 401 can be reset, so that the left and right baffles 407 can re-position the ultrafiltration membrane 207.

Claims

1. An energy-saving and environmentally friendly electrophoretic coating purification and filtering device, comprising a housing (1), characterized in that: A winding mechanism (2) is provided inside the box body (1), a blocking mechanism (4) is provided inside the box body (1), a liquid inlet pipe (3) is fixedly connected to the center of the upper surface of the box body (1), a liquid outlet bin (6) is fixedly provided on the lower surface of the box body (1), a storage box (7) is fixedly provided on the lower surface of the liquid outlet bin (6), and a liquid discharge pipe (8) is fixedly connected to the right side of the storage box (7) near its bottom end; The winding mechanism (2) comprises a winding assembly and a guide assembly, wherein the winding assembly comprises a winding seat (201), a winding roller (202), a conveying seat (203), a conveying roller (204), an ultrafiltration membrane (207) and a driving device, wherein the winding seat (201) is fixed to the left side of the housing (1) by means of bolts, the winding roller (202) is rotatably connected between front and rear side walls of an inner cavity of the winding seat (201) by means of a bearing, the conveying seat (203) is fixed to the right side of the housing (1) by means of bolts, the conveying roller (204) is rotatably connected between front and rear side walls of an inner cavity of the conveying seat (203) by means of a bearing, the driving device is fixed to the back side of the winding seat (201), and left and right ends of the ultrafiltration membrane (207) are respectively fixed to the outer sides of the winding roller (202) and the conveying roller (204); The guide assembly comprises two supporting rollers (205) and two positioning rollers (206), the two supporting rollers (205) being respectively mounted on the left and right side walls of the inner cavity of the box body (1), and the two positioning rollers (206) being respectively mounted on the left and right side walls of the inner cavity of the box body (1) and close to the inner bottom wall of the box body (1); The blocking mechanism (4) comprises a dual-axis motor (401), two screw rods (402), two movable sleeves (403), two hinged plates (404), two fixed cylinders (405), two connecting plates (406) and two baffles (407); the dual-axis motor (401) is fixed to the upper surface of the box body (1); the two screw rods (402) are respectively fixed to the outer sides of the output shafts at both ends of the dual-axis motor (401); the two movable sleeves (403) are respectively threadedly connected to the outer sides of the two screw rods (402); the two hinged plates (404) are respectively hinged to the upper surfaces of the two movable sleeves (403) via hinge shafts; the two fixed cylinders (405) are both fixed to the inner top wall of the box body (1); the two baffles (407) are respectively slidably connected to the outer sides of the two fixed cylinders (405); and the two connecting plates (406) are respectively fixed to the inner bottom walls of the two baffles (407).

2. The energy-saving and environmentally friendly electrophoretic coating purification and filtering device according to claim 1 is characterized in that: A filter plate (5) is fixed to the inner wall of the inner cavity of the liquid inlet pipe (3) by means of bolts, and the liquid outlet bin (6) is funnel-shaped and its bottom is connected to the storage box (7).

3. The energy-saving and environmentally friendly electrophoretic coating purification and filtering device according to claim 1 is characterized in that: The winding roller (202) is fixed on the outside of the output shaft of the driving device, and the left and right sides of the box body (1) are both provided with communication ports located outside the ultrafiltration membrane (207).

4. The energy-saving and environmentally friendly electrophoretic coating purification and filtering device according to claim 1 is characterized in that: The ultrafiltration membrane (207) is driven and attached to the outer sides of the support rollers (205) and the positioning rollers (206) on the left and right sides, and a plurality of flow holes are provided on the lower surface of the box body (1).

5. The energy-saving and environmentally friendly electrophoretic coating purification and filtering device according to claim 1 is characterized in that: The front and rear sides of the two baffles (407) are movably fitted to the front and rear side walls of the inner cavity of the box body (1), and the two hinged plates (404) are hinged to the opposite sides of the two connecting plates (406) via hinge shafts.

6. The energy-saving and environmentally friendly electrophoretic coating purification and filtering device according to claim 1 is characterized in that: Grooves are provided on both upper and lower sides of the two fixing cylinders (405), and the two connecting plates (406) are respectively located in the two fixing cylinders (405).

7. The energy-saving and environmentally friendly electrophoretic coating purification and filtering device according to claim 1 is characterized in that: Two slideways are fixed on the upper surface of the box body (1), and sliding blocks slidably connected to the slideways are fixed on the lower surfaces of the two movable sleeves (403).

8. The energy-saving and environmentally friendly electrophoretic coating purification and filtering device according to claim 1 is characterized by: The two baffles (407) are movably fitted on the outside of the ultrafiltration membrane (207), and the bottom end of the liquid inlet pipe (3) penetrates the upper surface of the box body (1) and extends to the inside of the box body (1).

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