Water-based paint defoaming equipment

By designing a zoned injection and mixing mechanism, the defoamer is evenly distributed in the water-based coating, solving the problem of long mixing time for the defoamer and improving defoaming efficiency.

CN223628146UActive Publication Date: 2025-12-05FOSHAN DINGMAO TECH CO LTD
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Patent Information

Application Number
CN202423252905.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-27
Publication Date
2025-12-05
Estimated Expiration
2034-12-27

AI Technical Summary

Technical Problem

In existing technologies, the mixing time between defoamers and water-based coatings is relatively long, resulting in poor defoaming effects and the easy generation of new foam.

Method used

The defoamer is injected in sections and stirred in sections. The stirring blades and guide channels on the stirring shaft enable the defoamer to be injected in sections and the stirring blades to move up and down, ensuring that the defoamer is evenly distributed.

Benefits of technology

It improves the uniformity and defoaming efficiency of the defoamer in the coating, reduces mixing time, and avoids the generation of new foam.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses water-based paint defoaming equipment, which relates to the technical field of water-based paint production and comprises a tank body, a feeding pipe mounted at the top of the tank body and a stirring shaft mounted in the tank body, and further comprises a stirring mechanism and a defoaming mechanism, the partition agent injection mechanism comprises a flow guide channel installed in the stirring blade, a plurality of guide pipes installed on the outer wall of one side of the flow guide channel and a control assembly used for controlling the guide pipes to be opened and closed; the driving mechanism is used for driving the stirring shaft to rotate and lift; according to the water-based paint defoaming equipment, all the sealing rods are sequentially driven to be separated from the interiors of the corresponding guide pipes, and the guide pipes are sequentially sealed again, so that the effect that a defoaming agent is sequentially discharged into paint from the guide pipes at different positions on the stirring blades is achieved, and the uniformity of the defoaming agent injected into the paint is improved; the problem that the defoaming agent is injected into the coating at a time and needs to be stirred for a long time to be uniformly mixed with the coating to achieve the defoaming purpose is solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to water -based paint production technical field, concretely relates to a water -based paint defoaming equipment. BACKGROUND

[0002] Water -based paint in the preparation process, first need to put water, dispersing agent, preservative etc. Liquid together with slurry in the dispersion tank, carry out stirring dispersion, in the dispersion process will produce a large amount of foam, therefore need to put defoaming agent into the interior to reduce the foam.

[0003] The existing defoaming equipment usually injects defoaming agent into water -based paint at one time, then carries out stirring mixing uniformly to achieve the purpose of defoaming, but this kind of way leads to the long time of uniform mixing of defoaming agent and water -based paint, and new foam is easily produced in the long mixing time, leading to the poor defoaming effect of water -based paint. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a water -based paint defoaming equipment to solve the problem of the long time of uniform mixing of defoaming agent and water -based paint in the prior art, which leads to the new foam being easily produced in the long mixing time, leading to the poor defoaming effect of water -based paint.

[0005] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme: a water -based paint defoaming equipment, including the jar body, install the feeding pipe in the jar body top and install the stirring shaft in the jar body inside, still including:

[0006] The stirring mechanism is provided with a plurality of, a plurality of stirring mechanism is sequentially arranged along the stirring shaft height direction, and the stirring mechanism includes a plurality of stirring blades fixed on the outer wall of the stirring shaft;

[0007] The partition injection mechanism is installed in the interior of the stirring blade, and the partition injection mechanism includes a flow guide channel installed in the stirring blade, a plurality of conduits installed on the outer wall of one side of the flow guide channel and a control assembly for controlling the opening and closing of the conduit;

[0008] The driving mechanism is installed on the top of the jar body and is used for driving the stirring shaft to rotate and lift.

[0009] Further, the plurality of stirring blades in the same stirring mechanism are uniformly distributed in a ring array centering on the stirring shaft.

[0010] Further, the inside of the stirring shaft is provided with a telescopic pipe, the top end of the telescopic pipe extends to the outside of the jar body, and a rotary joint is rotatably connected to the top end.

[0011] One end of the flow guide channel extends to the inside of the stirring shaft and is connected with the telescopic pipe.

[0012] Further, the other end of the conduit extends to the outside of the stirring blade which is a hollow structure.

[0013] The control assembly comprises a plurality of sliding plates arranged in the inside of the stirring blade in sequence along the length direction of the stirring blade, a driven block fixed to the outer wall on one side of the sliding plate, and a linkage component for driving the driven block to move.

[0014] First inclined grooves are formed on the outer walls on both sides of the driven block, and the driven block abuts against the top of the flow guide channel.

[0015] A sealing rod is fixed to the outer wall on the side of the driven block close to the flow guide channel, and the other end of the sealing rod extends to the inside of the flow guide channel and the conduit for closing the conduit.

[0016] Further, a plurality of sliding rods are slidably connected in the inside of the sliding plate, one end of the sliding rod is fixed to the inner wall of the stirring blade, a spring is sleeved on the outside of the sliding rod, one end of the spring is fixed to the inner wall of the stirring blade, and the other end of the spring is fixed to the outer wall of the sliding plate.

[0017] Further, the linkage component comprises a first screw rod rotatably connected in the inside of the stirring blade along the length direction of the stirring blade, and a first motor installed on the inner wall on one side of the stirring blade.

[0018] The output end of the first motor is fixed to one end of the first screw rod.

[0019] A driving block is screwed on the outside of the first screw rod, second inclined grooves are formed on the outer walls on both sides of the driving block, and the second inclined grooves are matched with the first inclined grooves.

[0020] The driving block is slidably connected to the top of the flow guide channel.

[0021] Further, the driving mechanism comprises a bracket installed on the top of the tank body, a second motor installed on the top of the bracket, and a second screw rod fixed to the inner wall on the top of the bracket.

[0022] A gear ring is further rotatably connected to the inner wall on the top of the bracket, and the gear ring is located on the outside of the second screw rod.

[0023] The output end of the second motor is fixed with a gear, and the gear is engaged with the gear ring.

[0024] Two driving rods are fixed to the bottom of the gear ring, a driving disc is slidably sleeved on the outside of the two driving rods, and the driving disc is screwed on the outside of the second screw rod.

[0025] The bottom of the driving disc is fixedly connected with two linkage rods, and the bottom ends of the two linkage rods are fixedly connected with linkage blocks which are fixedly sleeved on the outside of the stirring shaft.

[0026] Further, the rotary joint is installed on the top of the support, and a dosing pipe is installed on the top of the rotary joint.

[0027] The telescopic pipe is arranged through the second lead screw.

[0028] Further, the bottom of the tank body is provided with a discharge pipe, and an electromagnetic valve is installed on the discharge pipe.

[0029] Compared with the prior art, the water-based paint defoaming equipment has the following advantages

[0030] Beneficial effects:

[0031] 1. When the stirring shaft drives the stirring blades to rotate, the sealing rods are sequentially driven to be separated from the interiors of the corresponding pipes, and the pipes are sequentially resealed, thereby realizing the effect that the defoaming agent is sequentially discharged from the pipes at different positions of the stirring blades into the interior of the paint, improving the uniformity of the defoaming agent injected into the interior of the paint, avoiding the problem that the defoaming agent needs to be mixed with the paint for a long time to achieve the defoaming purpose after being injected into the interior of the paint at one time, and thereby effectively improving the efficiency of the paint defoaming treatment.

[0032] 2. The stirring blades on the outside of the stirring shaft are driven to rotate and reciprocate up and down, thereby realizing the effect of layering the defoaming agent into the paint, so that the defoaming agent can be fully injected into each region of the paint, and the defoaming time is further reduced. BRIEF DESCRIPTION OF DRAWINGS

[0033] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments described in the present application, and other drawings can also be obtained by those skilled in the art according to these drawings.

[0034] Figure 1 It is a schematic diagram of the overall structure of the present application;

[0035] Figure 2 It is a schematic diagram of the internal structure of the tank body of the present application;

[0036] Figure 3 It is a schematic diagram of the structure connection of the telescopic pipe and the flow guide channel of the present application;

[0037] Figure 4 It is a schematic diagram of the internal structure of the stirring blade of the present application;

[0038] Figure 5 The utility model discloses Figure 4 The structure amplification schematic diagram of A place in the middle is shown;

[0039] Figure 6 The utility model discloses a sliding plate external structure schematic diagram;

[0040] Figure 7 The utility model discloses a driving mechanism structure schematic diagram.

[0041] Mark explanation:

[0042] 1, tank body;2, feeding pipe;3, stirring shaft;4, stirring blade;5, flow guide channel;6, guide pipe;7, telescopic pipe;8, rotary joint;9, sliding plate;10, driven block;11, first inclined surface groove;12, sealing rod;13, sliding rod;14, spring;15, first screw;16, first motor;17, driving block;18, second inclined surface groove;19, support;20, second motor;21, second screw;22, gear ring;23, gear;24, driving rod;25, driving disc;26, linkage rod;27, linkage block;28, injection pipe;29, discharge pipe;30, electromagnetic valve. Specific implementation

[0043] In order to make the technical personnel of the prior art better understand the technical scheme of the utility model, the utility model will be further introduced in detail below with the accompanying drawings.

[0044] Embodiment: please refer to Figure 1 - Figure 7 A water-based paint defoaming equipment, including tank body 1, install on the top of tank body 1's feeding pipe 2 and install in tank body 1 inside's stirring shaft 3, through feeding pipe 2 to tank body 1 inside adds the raw material required for producing water-based paint;Still include:

[0045] Stirring mechanism, it is equipped with multiple, multiple stirring mechanism along the height direction of stirring shaft 3 sequentially set, and stirring mechanism includes multiple stirring blade 4 of solid connection on the outer wall of stirring shaft 3, and multiple stirring blade 4 in the same stirring mechanism is evenly distributed with stirring shaft 3 as the center and presents annular array;

[0046] Through driving mechanism drive stirring shaft 3 rotates, each stirring blade 4 synchronously rotates along with it, through driving mechanism drive stirring shaft 3 reciprocatingly moves up and down in the rotating process, drives each stirring blade 4 reciprocatingly moves up and down along with it, increases the range of stirring.

[0047] The partition injection mechanism is installed in the interior of the stirring blade 4, and comprises a flow guide channel 5 installed in the interior of the stirring blade 4, a plurality of guide pipes 6 installed on one side of the outer wall of the flow guide channel 5, and a control assembly for controlling the opening and closing of the guide pipes 6. The interior of the stirring shaft 3 is provided with an extension pipe 7, the top end of the extension pipe 7 extends to the outside of the tank body 1, and a rotary joint 8 is rotatably connected to the top end of the extension pipe 7. The rotary joint 8 is installed on the top of the support 19, and an injection pipe 28 is installed on the top of the rotary joint 8. The extension pipe 7 penetrates through the second lead screw 21. One end of the flow guide channel 5 extends to the interior of the stirring shaft 3 and is connected to the extension pipe 7. The other end of the guide pipe 6 extends to the outside of the stirring blade 4, and the stirring blade 4 has a hollow structure. The control assembly comprises a plurality of sliding plates 9 arranged in the interior of the stirring blade 4 in sequence along the length direction of the stirring blade 4, a driven block 10 fixedly connected to one side of the outer wall of the sliding plate 9, and a linkage component for driving the driven block 10 to move. First inclined grooves 11 are formed in the outer walls on both sides of the driven block 10, and the driven block 10 abuts against the top of the flow guide channel 5. A sealing rod 12 is fixedly connected to one side of the outer wall of the driven block 10 close to the flow guide channel 5, and the other end of the sealing rod 12 slidably extends to the interior of the flow guide channel 5 and the guide pipe 6, so as to close the guide pipe 6. The linkage component comprises a first lead screw 15 rotatably connected to the interior of the stirring blade 4 along the length direction of the stirring blade 4, and a first motor 16 installed on the inner wall of one side of the stirring blade 4. The output end of the first motor 16 is fixedly connected to one end of the first lead screw 15. A driving block 17 is screwed to the outer portion of the first lead screw 15, and second inclined grooves 18 are formed in the outer walls on both sides of the driving block 17. The second inclined grooves 18 are matched with the first inclined grooves 11. The driving block 17 is slidably connected to the top of the flow guide channel 5. A plurality of sliding rods 13 are slidably connected in the interior of the sliding plate 9. One end of the sliding rod 13 is fixedly connected to the inner wall of the stirring blade 4. A spring 14 is sleeved to the outer portion of the sliding rod 13. One end of the spring 14 is fixedly connected to the inner wall of the stirring blade 4, and the other end of the spring 14 is fixedly connected to the outer wall of the sliding plate 9.

[0048] When the stirring shaft 3 drives the stirring blade 4 to rotate, the first motor 16 drives the first screw rod 15 to rotate clockwise, and the driving block 17 moves along the top of the guide channel 5 towards the stirring shaft 3, when the second inclined groove 18 on the driving block 17 abuts against the first inclined groove 11 on the driven block 10, the driven block 10 moves, and the sliding plate 9 moves synchronously along the outer wall of the sliding rod 13, and the spring 14 is compressed, when the sliding plate 9 moves, the sealing rod 12 is separated from the inside of the conduit 6, so that the conduit 6 is communicated with the inside of the guide channel 5, so that the defoaming agent in the guide channel 5 is injected into the paint, when the driving block 17 passes the driven block 10, the spring 14 rebounds to drive the sliding plate 9 to reset, so that the sealing rod 12 reseals the conduit 6, as the driving block 17 moves, the sealing rods 12 are sequentially driven to be separated from the inside of the corresponding conduit 6, and the conduit 6 is sequentially resealed, so that the defoaming agent is sequentially discharged from the conduit 6 at different positions of the stirring blade 4 into the paint, the uniformity of the defoaming agent injected into the paint is improved, and the problem that the defoaming agent needs to be stirred for a long time to be uniformly mixed with the paint to achieve the defoaming purpose is avoided, so that the efficiency of the paint defoaming treatment is effectively improved.

[0049] Wherein, the first motor 16 drives the first screw rod 15 to rotate counterclockwise, which can drive the driving block 17 to move along the top of the guide channel 5 away from the stirring shaft 3, and can sequentially drive the sealing rods 12 to be separated from the inside of the corresponding conduit 6, and sequentially reseal the conduit 6;

[0050] When the stirring shaft 3 moves up and down, the telescopic pipe 7 expands and contracts, and the two do not affect each other, when the telescopic pipe 7 rotates, the rotary joint 8 does not rotate, and the injection pipe 28 also does not rotate, and the defoaming liquid is injected into the telescopic pipe 7 and the guide channel 5 through the injection pipe 28.

[0051] A driving mechanism is installed on the top of the tank body 1, which is used to drive the stirring shaft 3 to rotate and lift, and the driving mechanism comprises a support 19 installed on the top of the tank body 1, a second motor 20 installed on the top of the support 19, and a second screw rod 21 fixed to the inner wall on the top of the support 19; a gear ring 22 is rotatably connected to the inner wall on the top of the support 19, and the gear ring 22 is located on the outer side of the second screw rod 21; a gear 23 is fixed to the output end of the second motor 20, and the gear 23 is engaged with the gear ring 22; two driving rods 24 are fixed to the bottom of the gear ring 22, a driving disc 25 is slidably sleeved on the outer part of the two driving rods 24, and the driving disc 25 is screwed on the outer part of the second screw rod 21; two linkage rods 26 are fixed to the bottom of the driving disc 25, the bottom ends of the two linkage rods 26 are fixedly connected with a linkage block 27, and the linkage block 27 is fixedly sleeved on the outer part of the stirring shaft 3;

[0052] By controlling the second motor 20 to drive the gear 23 to rotate clockwise, through the meshing effect between the gear 23 and the gear ring 22, the gear ring 22 is driven to rotate counterclockwise, the driving disc 25 is driven to rotate through the two driving rods 24, through the meshing effect between the driving disc 25 and the second screw rod 21, since the second screw rod 21 is fixedly arranged, the driving disc 25 rotates while moving upwards, in this process, the stirring shaft 3 is driven to rotate while moving upwards through the linkage rod 26 and the linkage block 27, thereby the stirring blade 4 in the tank body 1 is driven to move upwards during rotation, the stirring range of the stirring blade 4 and the range of the defoaming agent injected into the paint are increased, by controlling the second motor 20 to drive the gear 23 to rotate counterclockwise, through the meshing effect between the gear 23 and the gear ring 22, the gear ring 22 is driven to rotate clockwise, thereby the driving disc 25 rotates while moving downwards, the stirring blade 4 in the tank body 1 moves downwards during rotation;

[0053] Wherein, the second screw rod 21 can be replaced by a reciprocating screw rod, the reciprocating screw rod is prior art, after being replaced by the reciprocating screw rod, only need to control the second motor 20 to drive the gear 23 to rotate in one direction all the time, the driving disc 25 can be driven to rotate while reciprocating upwards and downwards along the outside of the reciprocating screw rod, and the stirring blade 4 can be driven to rotate while reciprocating upwards and downwards.

[0054] The bottom of the tank body 1 is provided with a discharge pipe 29, and the discharge pipe 29 is provided with an electromagnetic valve 30.

[0055] After the paint preparation and defoaming are completed, the electromagnetic valve 30 is controlled to be opened, and the paint in the tank body 1 can be discharged through the discharge pipe 29.

[0056] It should be noted that the device structure and the drawings of the utility model mainly describe the principle of the utility model, and the setting of the power mechanism, the power supply system and the control system of the device is not completely described in the technical principle of the design, and under the premise that the above-mentioned technical personnel understands the principle of the utility model, the specific of the power mechanism, the power supply system and the control system can be clearly known, the control mode of the application file is automatically controlled through the controller, and the control circuit of the controller can be realized by simple programming of the technical personnel in the field; the above only describes some exemplary embodiments of the utility model by way of illustration, and it is needless to say that the ordinary technical personnel in the field can modify the described embodiments in various ways without deviating from the spirit and scope of the utility model. Therefore, the above drawings and description are illustrative in nature and should not be understood as limiting the scope of protection of the claims of the utility model.

Claims

1. An aqueous coating defoaming device comprising a tank body (1), a feeding pipe (2) installed on the top of the tank body (1) and a stirring shaft (3) installed inside the tank body (1), characterized in that, Also include: The stirring mechanism is provided with a plurality of, a plurality of said stirring mechanism is sequentially arranged along the stirring shaft (3) height direction, the stirring mechanism includes a plurality of stirring blade (4) fixed on the outer wall of stirring shaft (3); Zoning injection mechanism, which is installed in the interior of stirring blade (4), the zoning injection mechanism includes a guide channel (5) installed in the interior of stirring blade (4), a plurality of guide pipe (6) installed on one side of the outer wall of guide channel (5) and control assembly for controlling the opening and closing of guide pipe (6); Driving mechanism, which is installed at the top of the tank (1), is used to drive the rotation and lifting of the stirring shaft (3).

2. A waterborne coating defoaming apparatus according to claim 1, characterized in that, A plurality of stirring blades (4) in the same stirring mechanism are uniformly distributed in a ring array around the stirring shaft (3).

3. A waterborne coating defoaming apparatus according to claim 2, characterized in that, The inside of the stirring shaft (3) is provided with a telescopic pipe (7), the top end of the telescopic pipe (7) extends to the outside of the tank (1), and a rotary joint (8) is rotatably connected to the telescopic pipe (7); One end of the guide channel (5) extends to the inside of the stirring shaft (3) and is connected with the telescopic pipe (7).

4. A waterborne coating defoaming apparatus according to claim 3, characterized in that, The other end of the guide pipe (6) extends to the outside of the stirring blade (4), and the stirring blade (4) is a hollow structure; The control assembly includes a plurality of sliding plates (9) sequentially arranged in the interior of the stirring blade (4) along the length direction, a driven block (10) fixed on one side of the outer wall of the sliding plate (9), and a linkage component for driving the movement of the driven block (10); First inclined grooves (11) are formed on the outer walls of both sides of the driven block (10), and the driven block (10) abuts against the top of the guide channel (5); A sealing rod (12) is fixed on the outer wall of the side of the driven block (10) close to the guide channel (5), the other end of the sealing rod (12) slidably extends to the interior of the guide channel (5) and the guide pipe (6), and the sealing rod (12) is used for closing the guide pipe (6).

5. A waterborne coating defoaming apparatus according to claim 4, characterized in that, A plurality of sliding rods (13) are slidably connected in the interior of the sliding plate (9), one end of the sliding rod (13) is fixed on the inner wall of the stirring blade (4), a spring (14) is sleeved on the outside of the sliding rod (13), one end of the spring (14) is fixed on the inner wall of the stirring blade (4), and the other end of the spring (14) is fixed on the outer wall of the sliding plate (9).

6. A waterborne coating defoaming apparatus according to claim 5, characterized in that, The linkage component includes a first lead screw (15) rotatably connected in the interior of the stirring blade (4) along the length direction and a first motor (16) installed on one side of the inner wall of the stirring blade (4); The output end of the first motor (16) is fixedly connected with one end of the first lead screw (15); A driving block (17) is screwed on the outside of the first lead screw (15), second inclined grooves (18) are formed on the outer walls of both sides of the driving block (17), and the second inclined grooves (18) are matched with the first inclined grooves (11); The driving block (17) is slidably connected on the top of the guide channel (5).

7. A waterborne coating defoaming apparatus according to claim 6, characterized in that, The driving mechanism includes a bracket (19) installed at the top of the tank (1), a second motor (20) installed at the top of the bracket (19), and a second lead screw (21) fixed on the inner wall of the top of the bracket (19). A gear ring (22) is rotatably connected to the inner wall of the top of the support (19), and the gear ring (22) is located outside the second lead screw (21); A gear (23) is fixedly connected to the output end of the second motor (20), and the gear (23) is engaged with the gear ring (22); Two driving rods (24) are fixedly connected to the bottom of the gear ring (22), driving discs (25) are slidably sleeved on the outer portions of the two driving rods (24), and the driving discs (25) are screwed on the outer portions of the second lead screw (21); Two linkage rods (26) are fixedly connected to the bottom of the driving disc (25), linkage blocks (27) are fixedly connected to the bottom ends of the two linkage rods (26), and the linkage blocks (27) are fixedly sleeved on the outer portions of the stirring shaft (3).

8. A waterborne coating defoaming apparatus according to claim 7, characterized in that, A rotating joint (8) is mounted on the top of the support (19), and a medicine injection pipe (28) is mounted on the top of the rotating joint (8); The telescopic pipe (7) penetrates through the second lead screw (21).

9. A waterborne coating defoaming apparatus according to claim 8, characterized in that, A discharge pipe (29) is mounted on the bottom of the tank body (1), and an electromagnetic valve (30) is mounted on the discharge pipe (29).