Water-based paint defoaming device
By designing a power assembly for the splined shaft and scraper, the problems of limited stirring range and paint waste in the preparation of water-based coatings are solved, achieving more efficient defoaming and reduced waste.
Patent Information
- Application Number
- CN202423318578.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2034-12-31
AI Technical Summary
In the existing water-based coating preparation process, the stirring range is limited, which easily leads to stratification, and the coating adheres to the inner wall of the tank, resulting in waste.
It adopts a splined shaft and scraper design, combined with a power unit to drive the splined shaft to rotate horizontally and move up and down, increasing the stirring range. The inner wall coating is scraped off by a rubber scraper, and the liquid level is monitored by the lifting of the piston plate and the transparent observation window.
It improves the mixing range, avoids stratification, enhances the defoaming effect, and reduces paint waste.
Smart Images

Figure CN223716452U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to water -based paint production technical field especially relates to a water -based paint defoaming device. BACKGROUND
[0002] In the preparation process of the exterior wall water -based paint, first need to put water, dispersing agent, preservative etc. Liquid together with slurry into the dispersion tank, carry out stirring dispersion, and a large amount of foam will be produced in the dispersion process, therefore need to put the defoaming agent into the interior to reduce the foam.
[0003] In the prior art, the defoaming treatment is carried out by relying on the stirring mode, but since the stirring blade is fixedly arranged and can only rotate in one direction, the stirring range is limited, the stratification phenomenon is prone to occur, and since the paint is relatively viscous, more raw materials are adhered to the inner wall of the box, which is prone to cause waste. UTILITY MODEL CONTENTS
[0004] The utility model aims at the problems in the background art and provides a water -based paint defoaming device.
[0005] The technical scheme of the utility model relates to a water -based paint defoaming device, which comprises:
[0006] The upper end of the stirring cylinder is provided with an opening.
[0007] The piston plate is movably arranged on the inner side of the stirring cylinder.
[0008] The stirring device comprises a spline shaft, a stirring blade, a rotating ring, a spline sleeve and a second power assembly for driving the spline sleeve to rotate.
[0009] The scraper is connected with the lower end of the spline shaft, and the peripheral side of the spline shaft is provided with a rubber scraping strip.
[0010] Preferably, the stirring cylinder is provided with a first power assembly for driving the piston plate to ascend and descend.
[0011] Preferably, the first power assembly comprises a first servo motor, a synchronous belt, two supports, two transmission shafts, two synchronous pulleys, four winding discs and four steel wires, the two supports are both mounted on the upper end of the stirring cylinder, the two transmission shafts are both rotatably mounted on the two supports, the four winding discs are both mounted on the two ends of the two transmission shafts, one end of the four steel wires is fixedly arranged on the four winding discs, the other end of the four steel wires is connected with the piston plate, the first servo motor is mounted on the support and the output shaft of the first servo motor is connected with the transmission shaft, the two synchronous pulleys are both mounted on the two transmission shafts, and the two synchronous pulleys are connected through the synchronous belt.
[0012] Preferably, the side of the stirring cylinder is provided with a transparent observation window.
[0013] Preferably, the bottom end of the stirring cylinder is provided with a first distance measuring sensor for measuring the distance between the stirring cylinder and the lifting frame, and the piston plate is provided with a second distance measuring sensor for measuring the distance between the piston plate and the rotating ring.
[0014] Preferably, the second power assembly comprises a driving motor, a gear and a gear ring, the driving motor is mounted on the piston plate, the gear is mounted on the output shaft of the driving motor, and the gear ring is mounted on the outer periphery of the spline sleeve and is engaged with the gear.
[0015] Preferably, the third power assembly comprises a second servo motor, a threaded rod and a lifting frame, the lifting frame is connected with the rotating ring, the lifting frame is vertically slidably mounted on the stirring cylinder, the second servo motor is mounted on the bottom end of the stirring cylinder, the threaded rod is connected with the output shaft of the second servo motor, and the lifting frame is threadedly connected with the threaded rod.
[0016] Compared with the prior art, the utility model has the advantages that the spline shaft can be driven to move up and down synchronously during the horizontal rotation, the stirring range of the stirring blade can be improved, the phenomenon of stratification of raw materials can be avoided, and the defoaming effect on paint can be improved; when the paint is discharged, the scraper and the rubber scraping strip are moved by the upward and downward movement of the spline shaft, the rubber scraping strip can scrape the excess paint on the inner wall of the stirring cylinder and the piston plate, the paint can be prevented from solidifying, and the waste of paint can be reduced. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 and Figure 2 are the structural schematic diagrams of the utility model.
[0018] Figure 3 is the sectional structure diagram of the utility model.
[0019] Figure 4 is Figure 1 is the local enlarged structure schematic diagram of A of the utility model.
[0020] Label: 1, stirring cylinder; 2, piston plate; 3, first sealing ring; 4, support; 5, funnel; 6, feed pipe; 7, electromagnetic valve; 8, spline shaft; 9, scraper; 10, rubber scraping strip; 11, stirring blade; 12, first servo motor; 131, second servo motor; 132, threaded rod; 14, discharge pipe; 15, valve; 16, lifting frame; 17, rotating ring; 181, drive motor; 182, gear; 183, gear ring; 19, spline sleeve; 21, transmission shaft; 22, winding disc; 23, steel wire rope; 24, synchronous pulley; 25, synchronous belt. DETAILED DESCRIPTION
[0021] Example one
[0022] As Figures 1-4 shown, the water-based paint defoaming device provided by the embodiment comprises a stirring cylinder 1, a piston plate 2, a scraper 9 and a stirring device.
[0023] The upper end of the stirring cylinder 1 is provided with an opening, and a discharge pipe 14 is communicated at the bottom end of the stirring cylinder 1, and a valve 15 is installed on the discharge pipe 14; the piston plate 2 is movably arranged on the inner side of the stirring cylinder 1, and a first sealing ring is arranged on the outer periphery of the piston plate 2 to improve the sealing between the piston plate 2 and the stirring cylinder 1; a feed pipe 6 is communicated on the piston plate 2, and an electromagnetic valve 7 is installed on the feed pipe 6, and a funnel 5 is communicated on the feed pipe 6.
[0024] The stirring device comprises a spline shaft 8, a stirring blade 11, a rotating ring 17, a spline sleeve 19 and a second power assembly for driving the spline sleeve 19 to rotate, and the second power assembly comprises a drive motor 181, a gear 182 and a gear ring 183, wherein the drive motor 181 is installed on the piston plate 2, the gear 182 is installed on the output shaft of the drive motor 181, and the gear ring 183 is installed on the outer periphery of the spline sleeve 19 and is engaged with the gear 182, wherein the spline sleeve 19 is rotatably installed on the piston plate 2, the spline shaft 8 movably penetrates the inner side of the spline sleeve 19 and is slidably connected along the length direction of the spline sleeve 19, the rotating ring 17 and the stirring blade 11 are respectively installed on the upper and lower ends of the spline shaft 8, and the rotating ring 17 is rotatably connected with the spline shaft 8; the scraper 9 is connected with the lower end of the spline shaft 8, and the peripheral side of the spline shaft 8 is provided with a rubber scraping strip 10.
[0025] A third power assembly for driving the rotating ring 17 to lift is installed on the stirring cylinder 1, and the third power assembly comprises a second servo motor 131, a threaded rod 132 and a lifting frame 16, the lifting frame 16 is connected with the rotating ring 17, the lifting frame 16 is vertically slidably installed on the stirring cylinder 1, the second servo motor 131 is installed at the bottom end of the stirring cylinder 1, the threaded rod 132 is connected with the output shaft of the second servo motor 131, and the lifting frame 16 is threadedly connected with the threaded rod 132.
[0026] Specifically, the various raw materials for producing the water-based paint are poured into the inside of the stirring cylinder 1 through the feeding pipe 6, the second power assembly is arranged to drive the rotation of the spline sleeve 19, the rotation of the spline sleeve 19 drives the rotation of the spline shaft 8, so that the raw materials can be mixed, and in the process, the defoaming agent is poured into the inside of the stirring cylinder 1, the stirring blade 11 can mix the raw materials in the process of rotation, and also can assist to eliminate bubbles; at the same time, the third power assembly is arranged to drive the up-and-down movement of the lifting frame 16, the lifting frame 16 drives the movement of the rotating ring 17, the spline shaft 8 and the stirring blade 11 in the movement process, so that the stirring range of the stirring blade 11 can be improved, and the stratification of the raw materials can be avoided.
[0027] After the production and defoaming work is completed, the valve 15 is opened, so that the paint in the inside of the stirring cylinder 1 is discharged through the discharge pipe 14, in the process, the spline shaft 8 is driven to move up and down, the spline shaft 8 drives the movement of the scraper 9 and the rubber scraping strip 10, the rubber scraping strip 10 can scrape the paint remaining on the inner wall of the stirring cylinder 1 in the process of rotating around the spline shaft 8 and moving up and down, so that the waste phenomenon can be avoided.
[0028] Example two
[0029] As shown in Figure 1 and Figure 4 , the water-based paint defoaming device provided in the embodiment, compared with the first embodiment, in the embodiment, the stirring cylinder 1 is provided with a first power assembly for driving the lifting of the piston plate 2, the first power assembly comprises a first servo motor 12, a synchronous belt 25, two brackets 4, two transmission shafts 21, two synchronous pulleys 24, four winding discs 22 and four steel wire ropes 23, the two brackets 4 are both installed on the upper end of the stirring cylinder 1, the two transmission shafts 21 are both rotationally installed on the brackets 4 on the two sides, the four winding discs 22 are respectively installed on the two ends of the two transmission shafts 21, one end of the four steel wire ropes 23 is respectively fixedly wound on the four winding discs 22, the other end of the four steel wire ropes 23 is all connected with the piston plate 2, the first servo motor 12 is installed on the bracket 4 and the output shaft thereof is connected with the transmission shaft 21, the two synchronous pulleys 24 are respectively installed on the two transmission shafts 21, and the two synchronous pulleys 24 are transmissionally connected through the synchronous belt 25; after the various pigments are poured into the inside of the stirring cylinder 1, the various raw materials are first preliminarily mixed, then the first power assembly is arranged to drive the downward movement of the piston plate 2, so that the bottom end of the piston plate 2 is in contact with the liquid level position, thereby greatly reducing the air content in the inside of the stirring cylinder 1, so that the air in the inside of the stirring cylinder 1 can be avoided to mix into the paint.
[0030] The side of the stirring cylinder 1 is provided with a transparent observation window, the transparent observation window can make the operator easily observe the liquid level height in the inside of the stirring cylinder 1.
[0031] Embodiment three
[0032] As Figure 3 shown, the water-based paint defoaming device provided by the embodiment, compared with the embodiment two, in the embodiment, the bottom end of the stirring cylinder 1 is provided with a first distance measuring sensor for measuring the distance between the stirring cylinder 1 and the lifting frame 16; the piston plate 2 is provided with a second distance measuring sensor for measuring the distance between the piston plate 2 and the rotating ring 17; it needs to be supplemented that the first distance measuring sensor and the second distance measuring sensor are electrically connected with the PLC controller; when the bottom end of the spline shaft 8 contacts the inner wall bottom end of the stirring cylinder 1, at this time, the first distance measuring sensor measures the value D1, on the contrary, when the first distance measuring sensor detects the value D1, the PLC controller controls the second servo motor 131 to stop driving work, avoiding the spline shaft 8 continuing to move downward, when the rubber scraping strip 10 contacts the inner wall of the piston plate 2, at this time, the second distance measuring sensor measures the value D2, on the contrary, when the second distance measuring sensor measures the value D2, the PLC controller controls the second servo motor 131 to stop working, through the setting of the above structure, the moving range of the spline shaft 8 can be limited.
[0033] The above describes the embodiments of the utility model in detail in combination with the drawings, but the utility model is not limited to this, within the knowledge range of the technical personnel in the technical field, various changes can be made without departing from the purpose of the utility model.
Claims
1. An aqueous coating defoaming device characterized by, The utility model relates to a stirring device for the preparation of food, which comprises: a stirring barrel (1) with an open upper end; a piston plate (2) movably arranged inside the stirring barrel (1), wherein a feeding pipe (6) is arranged on the piston plate (2) and is connected to a funnel (5) and an electromagnetic valve (7) is arranged on the feeding pipe (6); a stirring device comprising a spline shaft (8), stirring blades (11), a rotating ring (17), a spline sleeve (19) and a second power assembly for driving the spline sleeve (19) to rotate, wherein the spline sleeve (19) is rotatably arranged on the piston plate (2), the spline shaft (8) movably penetrates through the inside of the spline sleeve (19) and is slidably connected along the length direction of the spline sleeve (19), the rotating ring (17) and the stirring blades (11) are respectively arranged on the upper and lower ends of the spline shaft (8), the rotating ring (17) is rotatably connected to the spline shaft (8), and a third power assembly for driving the rotating ring (17) to move up and down is arranged on the stirring barrel (1); a scraper (9) connected to the lower end of the spline shaft (8), and a rubber scraping strip (10) arranged on the circumferential side of the spline shaft (8).
2. The waterborne coating defoaming device according to claim 1, characterized in that, A first power assembly for driving the piston plate (2) to move up and down is arranged on the stirring barrel (1).
3. A waterborne coating defoaming device according to claim 2, characterized in that, The first power assembly comprises a first servo motor (12), a synchronous belt (25), two brackets (4), two transmission shafts (21), two synchronous pulleys (24), four winding discs (22) and four steel wire ropes (23), the two brackets (4) are arranged on the upper end of the stirring barrel (1), the two transmission shafts (21) are rotatably arranged on the two brackets (4), the four winding discs (22) are arranged on the two ends of the two transmission shafts (21), one end of each of the four steel wire ropes (23) is fixedly wound on the four winding discs (22), the other end of each of the four steel wire ropes (23) is connected to the piston plate (2), the first servo motor (12) is arranged on the bracket (4) and its output shaft is connected to the transmission shaft (21), the two synchronous pulleys (24) are arranged on the two transmission shafts (21), and the two synchronous pulleys (24) are drivingly connected by the synchronous belt (25).
4. A waterborne coating defoaming device according to claim 3, characterized in that, A transparent observation window is arranged on the side of the stirring barrel (1).
5. A waterborne coating defoaming device according to claim 4, characterized in that, A first distance measuring sensor for measuring the distance between the stirring barrel (1) and a lifting frame (16) is arranged on the bottom end of the stirring barrel (1), and a second distance measuring sensor for measuring the distance between the piston plate (2) and the rotating ring (17) is arranged on the piston plate (2).
6. The waterborne coating defoaming device according to claim 1, characterized in that, The second power assembly comprises a driving motor (181), a gear (182) and a gear ring (183), wherein the driving motor (181) is arranged on the piston plate (2), the gear (182) is arranged on the output shaft of the driving motor (181), and the gear ring (183) is arranged on the outer circumferential surface of the spline sleeve (19) and is engaged with the gear (182).
7. The waterborne coating defoaming device according to claim 1, characterized in that, The third power assembly comprises a second servo motor (131), a threaded rod (132) and a lifting frame (16), the lifting frame (16) is connected with a rotating ring (17), the lifting frame (16) is vertically and slidingly installed on the stirring barrel (1), the second servo motor (131) is installed at the bottom end of the stirring barrel (1), the threaded rod (132) is connected with the output shaft of the second servo motor (131), and the lifting frame (16) is threadedly connected with the threaded rod (132).