Portable colorant auxiliary circulation device

Abstract

The utility model relates to paint processing equipment technical field especially relates to a portable color paste auxiliary circulating device, including portable rack, store paste subassembly, stirring subassembly, conveying subassembly and control module, portable rack adopts lightweight modular design, is equipped with portable structure and detachable shoulder strap, store paste subassembly and stirring subassembly linkage realizes the anti -precipitation, conveying subassembly passes through the telescopic pipe adaptation different paint processing container, and control module can accurate regulation and control circulating parameter. The device is small in size, light in weight, can be moved to multi -station flexibly, and the circulating efficiency is high and easy to clean, is applicable to small batch, multi -batch paint color mixing production scene.

Description

Technical Field

[0001] This utility model relates to the field of paint processing equipment technology, and in particular to a portable color paste auxiliary circulation device. Background Technology

[0002] In paint processing and production, uniform circulation of color paste is crucial for ensuring color matching accuracy. Existing color paste circulation devices have the following drawbacks: Poor portability: Most of them are fixed installation structures, which are bulky and heavy, and cannot be moved to different processing stations according to production needs. They are also poorly adapted to small-batch, multi-batch production scenarios. Precipitation is likely to occur: Insufficient stirring during the pigment paste circulation process can easily lead to pigment particle precipitation, resulting in uneven paint color matching and affecting product quality; Low adaptability: The conveying interface is fixed and cannot be adapted to paint mixing tanks and storage barrels of different specifications. Additional connectors need to be replaced, making the operation cumbersome. Difficult to clean: The integrated design of the components makes it difficult to clean residual pigments inside, and cross-contamination is easily caused when replacing pigments.

[0003] Therefore, there is an urgent need for a color paste auxiliary circulation device that is highly portable, has good anti-settling effect, is highly adaptable and easy to clean, in order to meet the flexible needs of paint processing and production. Utility Model Content

[0004] The purpose of this invention is to provide a modular, multifunctional, portable color paste auxiliary circulation device to solve the problems of poor portability, easy sedimentation, low adaptability, and difficult cleaning of existing color paste circulation devices.

[0005] This utility model provides a portable pigment auxiliary circulation device, including a portable frame, a pigment storage component, a stirring component, a conveying component, and a control module. These components work together to achieve portable movement, pigment storage and stirring, efficient conveying, and intelligent control functions. The portable frame is an aluminum alloy cuboid frame with an arc-shaped carrying handle at the top, detachable elastic shoulder straps on both sides, and an anti-slip rubber pad at the bottom to prevent the device from sliding on the processing table and to cushion minor vibrations. The pigment storage component is fixed to the upper part of the portable frame, the stirring component is located on top of the pigment storage component, the conveying component connects the pigment storage component to an external paint container, and the control module is fixed to the side of the portable frame and electrically connected to both the stirring component and the conveying component.

[0006] Preferably, the slurry storage assembly includes a transparent slurry storage tank, a lid, and a level sensor. The transparent slurry storage tank has volume scale lines on its outer side, which facilitates observation of the remaining slurry level and stirring status, reducing blind replenishment. The lid is used to prevent slurry splashing and isolate external dust. A sealed bearing is provided in the middle of the lid. The level sensor is located on both sides of the outer wall of the transparent slurry storage tank and is electrically connected to the control module. The level sensor can monitor the slurry level in real time, triggering an alert when the level is low and preventing overflow when the level is high.

[0007] Preferably, the stirring assembly includes a stirring motor, a stirring shaft, and stirring blades; the stirring motor is fixed to the top of the tank lid, and provides power for stirring, with an adjustable speed to adapt to different viscosity pigments; one end of the stirring shaft passes through a sealed bearing and extends into the transparent storage tank, while the other end is connected to the output shaft of the stirring motor; the stirring blades have a detachable spiral structure and are coated with a polytetrafluoroethylene non-stick coating; the stirring shaft transmits the torque of the stirring motor to the stirring blades, and the surface treatment reduces pigment adhesion; the stirring blades have a spiral structure, and the blade surface is coated with a non-stick coating to reduce wall adhesion; the detachable design facilitates individual cleaning and avoids cross-contamination; the sealed bearing reduces the rotational friction of the stirring shaft, while preventing pigment leakage and isolating dust to extend the component's lifespan.

[0008] Preferably, the conveying assembly includes a conveying pump, an inlet pipe, an outlet pipe, and a filter element; the conveying pump is a miniature peristaltic pump, which avoids clogging due to pigment residue through a non-contact conveying method, and the flow rate is adjustable to adapt to different replenishment needs; it is fixed to the lower part of the portable frame; one end of the inlet pipe is connected to the bottom outlet of the transparent storage tank, and the other end is connected to the inlet of the conveying pump, conveying pigment to the conveying pump; the inlet pipe is made of flexible and corrosion-resistant material, and is easy to clean; the filter element is a stainless steel filter screen, located at the connection between the inlet pipe and the transparent storage tank, filtering impurities in the pigment, preventing clogging, and ensuring color matching accuracy.

[0009] Preferably, the discharge pipe is a telescopic corrugated pipe with a length adjustment range of 0.5-2m. The telescopic corrugated pipe can adapt to processing stations of different distances and can be folded to reduce volume when stored. The end of the discharge pipe is provided with a replaceable conical sealing joint. The conical sealing joint is adapted to paint container interfaces with a diameter of 50-150mm. The sealing joint can be adapted to paint containers of different diameters, and the sealing structure ensures no leakage of slurry.

[0010] Preferably, the control module includes a control panel, a PLC controller, and a battery; the control panel is equipped with a power switch, a speed adjustment knob, a timer button, and a liquid level alarm light; the PLC controller is electrically connected to the stirring motor, the conveying pump, and the liquid level sensor respectively, and receives signals from each monitoring element to control the operation of the stirring and conveying components, realizing functions such as liquid level alarm and timed start / stop; the battery is a 12V rechargeable battery with a capacity of ≥8Ah.

[0011] Preferably, the speed adjustment knob can control the speed of the stirring motor from 500 to 1500 r / min, and the timer button can set the cycle time from 1 to 60 minutes.

[0012] Preferably, the inner wall of the transparent slurry storage tank is provided with a spiral guide groove, which can guide the flow of the pigment slurry to reduce the sedimentation rate. At the same time, it can assist in the water flow to wash away residues during cleaning. The stirring blade adopts a spiral structure, which works with the spiral guide groove to form a circulating flow field, improve the uniformity of stirring, and reduce the sedimentation rate. A dustproof and ventilated valve is provided at the top. The dustproof and ventilated valve can balance the air pressure inside the tank, avoid negative pressure affecting the conveying, and prevent impurities from entering, ensuring the cleanliness of the pigment slurry.

[0013] Preferably, the anti-slip rubber pad at the bottom of the portable frame has a built-in shock-absorbing spring. The shock-absorbing spring can buffer bumps during movement, prevent pigment spillage, and protect internal components. The portable frame is also provided with a cleaning interface on the side. The cleaning interface is connected to the inside of the transparent storage tank through a hose. After the cleaning interface is connected to an external water source, water flow can be guided to flush the internal pipes and components of the device, thereby improving cleaning efficiency.

[0014] Preferably, the control module further includes a touch screen and a wireless communication module; the touch screen is used to display cycle parameters (rotation speed, duration, liquid level), and the wireless communication module supports connection with a mobile APP to realize remote parameter setting and alarm reminders.

[0015] Based on the above solution, the portable pigment auxiliary circulation device of this utility model has the following beneficial effects: Excellent portability: It adopts a lightweight aluminum alloy frame, with a carrying handle and detachable shoulder strap. The overall weight is light and can be carried by a single person to any processing station, making it suitable for small-batch, multi-batch production. Excellent anti-settling effect: The spiral stirring blades combined with the non-stick coating improve the uniformity of stirring, and the detachable design makes it easy to clean residual pigment. Highly adaptable: The length of the telescopic corrugated slurry outlet pipe can be adjusted from 0.5 to 2m, and the conical sealing joint is compatible with paint container interfaces with a diameter of 50-150mm, without the need for additional parts replacement; Intelligent operation: The liquid level sensor monitors the amount of pigment in real time, and the alarm light indicates when the liquid level is low; the timer function can set the cycle time from 1 to 60 minutes, and the speed adjustment knob can adjust the speed from 500 to 1500 r / min. Easy to clean: The transparent storage tank makes it easy to observe residues. The agitator blades, filter parts and sealing joints are detachable and can be cleaned separately to avoid cross-contamination. Attached Figure Description

[0016] To more clearly illustrate the technical solution of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the structure of a portable pigment auxiliary circulation device according to the present invention; Figure 2 This is a schematic diagram of the internal structure of a portable pigment auxiliary circulation device according to the present invention; Figure 3 This is a schematic diagram of the control module structure of a portable pigment auxiliary circulation device according to the present invention; Explanation of reference numerals in the attached figures: 1. Portable frame; 2. Slurry storage assembly; 3. Mixing assembly; 4. Conveying assembly; 5. Control module; 6. Arc-shaped carrying handle; 7. Detachable elastic shoulder strap; 8. Anti-slip rubber pad; 9. External paint container; 10. Transparent slurry storage tank; 11. Tank lid; 12. Liquid level sensor; 13. Mixing motor; 14. Mixing shaft; 15. Mixing blades; 16. Conveying pump; 17. Slurry inlet pipe; 18. Slurry outlet pipe; 19. Filter element; 20. Spiral guide channel; 21. Dustproof and breathable valve; 22. Cleaning interface; 23. Conical sealing joint. Detailed Implementation

[0018] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0019] Please see Figure 1 — Figure 3This invention discloses a portable pigment auxiliary circulation device, comprising a portable frame 1, a pigment storage component 2, a stirring component 3, a conveying component 4, and a control module 5. These components work together to achieve portable movement, pigment storage and stirring, efficient conveying, and intelligent control functions. The portable frame 1 is an aluminum alloy cuboid frame with an arc-shaped carrying handle 6 at the top, detachable elastic shoulder straps 7 on both sides, and an anti-slip rubber pad 8 at the bottom to prevent the device from sliding on the processing table and to cushion minor vibrations. The pigment storage component 2 is fixed to the upper part of the portable frame 1, the stirring component 3 is located on top of the pigment storage component 2, the conveying component 4 connects the pigment storage component 2 to an external paint container 9, and the control module 5 is fixed to the side of the portable frame 1 and electrically connected to the stirring component 3 and the conveying component 4.

[0020] Preferably, the slurry storage assembly 2 includes a transparent slurry storage tank 10, a tank cover 11, and a liquid level sensor 12. The transparent slurry storage tank 10 has volume scale lines on its outer side, which facilitates observation of the remaining slurry level and stirring status, reducing blind replenishment. The tank cover 11 is used to prevent slurry splashing and isolate external dust. A sealed bearing is provided in the middle of the tank cover 11. The liquid level sensor 12 is located on both sides of the outer wall of the transparent slurry storage tank 10 and is electrically connected to the control module 5. The liquid level sensor 12 can monitor the slurry level in real time, triggering an alert when the liquid level is low and preventing overflow when the liquid level is high.

[0021] Preferably, the stirring assembly 3 includes a stirring motor 13, a stirring shaft 14, and stirring blades 15. The stirring motor 13 is fixed to the top of the tank cover 11 and provides power for stirring. The speed of the stirring motor 13 is adjustable to adapt to different viscosity pigments. One end of the stirring shaft 14 extends into the transparent storage tank 10 through a sealed bearing, and the other end is connected to the output shaft of the stirring motor 13. The stirring blades 15 have a detachable spiral structure and are coated with a polytetrafluoroethylene non-stick coating. The stirring shaft 14 transmits the torque of the stirring motor 13 to the stirring blades 15, and the surface treatment reduces pigment adhesion. The stirring blades 15 have a spiral structure, and the surface of the blades is coated with a non-stick coating to reduce sticking to the wall. The detachable design facilitates individual cleaning and avoids cross-contamination. The sealed bearing reduces the rotational friction of the stirring shaft 14, while preventing pigment leakage and isolating dust to extend the service life of the components.

[0022] Preferably, the conveying assembly 4 includes a conveying pump 16, an inlet pipe 17, an outlet pipe 18, and a filter element 19; the conveying pump 16 is a miniature peristaltic pump, which avoids clogging by pigment residue through non-contact conveying, and the flow rate is adjustable to adapt to different replenishment needs; it is fixed to the lower part of the portable frame 1; one end of the inlet pipe 17 is connected to the bottom outlet of the transparent storage tank 10, and the other end is connected to the inlet of the conveying pump 16, the inlet pipe 17 conveys pigment to the conveying pump 16, the material is flexible and corrosion-resistant, and easy to clean; the filter element 19 is a stainless steel filter screen, which is located at the connection between the inlet pipe 17 and the transparent storage tank 10, the filter element 19 filters impurities in the pigment, prevents clogging and ensures color matching accuracy.

[0023] Preferably, the slurry outlet pipe 18 is a telescopic corrugated pipe with a length adjustment range of 0.5-2m. The telescopic corrugated pipe can adapt to processing stations of different distances and can be folded to reduce volume when stored. The end of the slurry outlet pipe 18 is provided with a replaceable conical sealing joint 23. The conical sealing joint 23 is adapted to paint container interfaces with a diameter of 50-150mm. The sealing joint can be adapted to paint containers of different diameters, and the sealing structure ensures no slurry leakage.

[0024] Preferably, the control module 5 includes a control panel, a PLC controller, and a battery; the control panel is equipped with a power switch, a speed adjustment knob, a timer button, and a liquid level alarm light; the PLC controller is electrically connected to the stirring motor 13, the conveying pump 16, and the liquid level sensor 12, respectively, and receives signals from each monitoring element to control the operation of the stirring and conveying components, realizing functions such as liquid level alarm and timed start / stop; the battery is a 12V rechargeable battery with a capacity of ≥8Ah.

[0025] Preferably, the speed adjustment knob can control the speed of the stirring motor from 13,500 to 1,500 r / min, and the timer button can set the cycle duration from 1 to 60 minutes.

[0026] Preferably, the inner wall of the transparent slurry storage tank 10 is provided with a spiral guide groove 20, which can guide the flow of the slurry to reduce the sedimentation rate, and at the same time assist in the water flow to wash away the residue during cleaning. The stirring blade 15 adopts a spiral structure, which works with the spiral guide groove 20 to form a circulating flow field, improve the uniformity of stirring, and reduce the sedimentation rate. A dustproof and ventilated valve 21 is provided at the top. The dustproof and ventilated valve 21 can balance the air pressure inside the tank, avoid negative pressure affecting the conveying, and at the same time prevent impurities from entering, ensuring the cleanliness of the slurry.

[0027] Preferably, the anti-slip rubber pad 8 at the bottom of the portable frame 1 has a built-in shock-absorbing spring. The shock-absorbing spring can buffer bumps during movement, prevent pigment spillage, and protect internal components. The portable frame 1 is provided with a cleaning interface 22 on its side. The cleaning interface 22 is connected to the inside of the transparent storage tank 10 through a hose. After the cleaning interface 22 is connected to an external water source, it can guide water flow to flush the internal pipes and components of the device, thereby improving cleaning efficiency.

[0028] Preferably, the control module 5 further includes a touch screen and a wireless communication module; the touch screen is used to display cycle parameters (rotation speed, duration, liquid level), and the wireless communication module supports connection with a mobile APP to realize remote parameter setting and alarm reminders.

[0029] The present invention will be further described below with reference to specific embodiments. It should be noted that the embodiments are only used to explain the present invention and do not constitute a limitation on its protection scope.

[0030] Example 1

[0031] Please see Figure 1 — Figure 3 This invention discloses a portable pigment auxiliary circulation device, comprising a portable frame 1, a pigment storage component 2, a stirring component 3, a conveying component 4, and a control module 5. These components work together to achieve portable movement, pigment storage and stirring, efficient conveying, and intelligent control functions. The portable frame 1 is an aluminum alloy cuboid frame with an arc-shaped carrying handle 6 at the top, detachable elastic shoulder straps 7 on both sides, and an anti-slip rubber pad 8 at the bottom to prevent the device from sliding on the processing table and to cushion minor vibrations. The pigment storage component 2 is fixed to the upper part of the portable frame 1, the stirring component 3 is located on top of the pigment storage component 2, the conveying component 4 connects the pigment storage component 2 to an external paint container 9, and the control module 5 is fixed to the side of the portable frame 1 and electrically connected to the stirring component 3 and the conveying component 4.

[0032] Preferably, the slurry storage assembly 2 includes a transparent slurry storage tank 10, a tank cover 11, and a liquid level sensor 12. The transparent slurry storage tank 10 has volume scale lines on its outer side, which facilitates observation of the remaining slurry level and stirring status, reducing blind replenishment. The tank cover 11 is used to prevent slurry splashing and isolate external dust. A sealed bearing is provided in the middle of the tank cover 11. The liquid level sensor 12 is located on both sides of the outer wall of the transparent slurry storage tank 10 and is electrically connected to the control module 5. The liquid level sensor 12 can monitor the slurry level in real time, triggering an alert when the liquid level is low and preventing overflow when the liquid level is high.

[0033] Preferably, the stirring assembly 3 includes a stirring motor 13, a stirring shaft 14, and stirring blades 15. The stirring motor 13 is fixed to the top of the tank cover 11 and provides power for stirring. The speed of the stirring motor 13 is adjustable to adapt to different viscosity pigments. One end of the stirring shaft 14 extends into the transparent storage tank 10 through a sealed bearing, and the other end is connected to the output shaft of the stirring motor 13. The stirring blades 15 have a detachable spiral structure and are coated with a polytetrafluoroethylene non-stick coating. The stirring shaft 14 transmits the torque of the stirring motor 13 to the stirring blades 15, and the surface treatment reduces pigment adhesion. The stirring blades 15 have a spiral structure, and the surface of the blades is coated with a non-stick coating to reduce sticking to the wall. The detachable design facilitates individual cleaning and avoids cross-contamination. The sealed bearing reduces the rotational friction of the stirring shaft 14, while preventing pigment leakage and isolating dust to extend the service life of the components.

[0034] Preferably, the conveying assembly 4 includes a conveying pump 16, an inlet pipe 17, an outlet pipe 18, and a filter element 19; the conveying pump 16 is a miniature peristaltic pump, which avoids clogging by pigment residue through non-contact conveying, and the flow rate is adjustable to adapt to different replenishment needs; it is fixed to the lower part of the portable frame 1; one end of the inlet pipe 17 is connected to the bottom outlet of the transparent storage tank 10, and the other end is connected to the inlet of the conveying pump 16, the inlet pipe 17 conveys pigment to the conveying pump 16, the material is flexible and corrosion-resistant, and easy to clean; the filter element 19 is a stainless steel filter screen, which is located at the connection between the inlet pipe 17 and the transparent storage tank 10, the filter element 19 filters impurities in the pigment, prevents clogging and ensures color matching accuracy.

[0035] Preferably, the slurry outlet pipe 18 is a telescopic corrugated pipe with a length adjustment range of 0.5-2m. The telescopic corrugated pipe can adapt to processing stations of different distances and can be folded to reduce volume when stored. The end of the slurry outlet pipe 18 is provided with a replaceable conical sealing joint 23. The conical sealing joint 23 is adapted to paint container interfaces with a diameter of 50-150mm. The sealing joint can be adapted to paint containers of different diameters, and the sealing structure ensures no slurry leakage.

[0036] Preferably, the control module 5 includes a control panel, a PLC controller, and a battery; the control panel is equipped with a power switch, a speed adjustment knob, a timer button, and a liquid level alarm light; the PLC controller is electrically connected to the stirring motor 13, the conveying pump 16, and the liquid level sensor 12, respectively, and receives signals from each monitoring element to control the operation of the stirring and conveying components, realizing functions such as liquid level alarm and timed start / stop; the battery is a 12V rechargeable battery with a capacity of ≥8Ah.

[0037] Preferably, the speed adjustment knob can control the speed of the stirring motor from 13,500 to 1,500 r / min, and the timer button can set the cycle duration from 1 to 60 minutes.

[0038] This embodiment is designed for a basic application scenario and is suitable for single-station color matching in a small paint processing workshop.

[0039] Work process: Open the lid 11 and pour the color paste into the transparent storage tank 10, controlling the injection volume (not exceeding 4L) through the scale lines. Connect the slurry outlet pipe 18, select a suitable tapered sealing connector 23 (e.g., 80mm in diameter) according to the diameter of the paint container interface, insert the connector into the container interface and seal it; Press the power switch on the control panel, adjust the speed adjustment knob to 800 r / min, the stirring motor 13 drives the stirring blade 15 to rotate, and at the same time the delivery pump 16 starts. The color paste enters the paint container through the inlet pipe 17 (filter element 19 filters impurities), the delivery pump 16, and the outlet pipe 18. Set the timer button to 30 minutes, and the device will automatically cycle. The liquid level sensor 12 monitors the amount of pigment stored. When the amount of pigment is less than 1L, the liquid level alarm light will light up, prompting you to add pigment. After the cycle is complete, turn off the power, disassemble the stirring blade 15, filter element 19 and slurry outlet pipe 18, rinse with clean water and let dry for later use.

[0040] Example 2

[0041] The differences between Example 2 and Example 1 are as follows: Preferably, the inner wall of the transparent slurry storage tank 10 is provided with a spiral guide groove 20, which can guide the flow of the slurry to reduce the sedimentation rate, and at the same time assist in the water flow to wash away the residue during cleaning. The stirring blade 15 adopts a spiral structure, which works with the spiral guide groove 20 to form a circulating flow field, improve the uniformity of stirring, and reduce the sedimentation rate. A dustproof and ventilated valve 21 is provided at the top. The dustproof and ventilated valve 21 can balance the air pressure inside the tank, avoid negative pressure affecting the conveying, and at the same time prevent impurities from entering, ensuring the cleanliness of the slurry.

[0042] Preferably, the anti-slip rubber pad 8 at the bottom of the portable frame 1 has a built-in shock-absorbing spring. The shock-absorbing spring can buffer bumps during movement, prevent pigment spillage, and protect internal components. The portable frame 1 is provided with a cleaning interface 22 on its side. The cleaning interface 22 is connected to the inside of the transparent storage tank 10 through a hose. After the cleaning interface 22 is connected to an external water source, it can guide water flow to flush the internal pipes and components of the device, thereby improving cleaning efficiency.

[0043] This embodiment is designed for multi-specification container scenarios, adding interface adaptation and shock absorption functions, and is suitable for multi-station rotation in medium-sized paint processing plants.

[0044] Structural improvements: A quick-change connector is added to the end of the slurry outlet pipe 18, equipped with three types of conical sealing connectors 23 (diameter 50mm, 100mm, 150mm), which can be quickly replaced; The portable frame 1 has anti-slip rubber pads 8 on the bottom and built-in shock-absorbing springs to reduce the shaking of the slurry tank during movement; A flow guide channel is added to the inner wall of the transparent slurry storage tank 10 to increase the circulation speed of the color slurry and reduce residue; Work process: Based on the paint container interface of the current processing station (e.g., 100mm in diameter), replace the corresponding conical sealing connector with a quick-change connector without disassembling the slurry outlet pipe 18; When the carrying device is moved to the work station, the bottom shock-absorbing springs cushion the ground bumps and prevent the pigment from spilling; The stirring motor 13 is adjusted to 1200 r / min, and the guide channel guides the color paste to circulate along the tank wall. With the help of the spiral stirring blade 15, the sedimentation rate is reduced to below 5%. When changing workstations, turn off the conveying pump 16, pull out the conical sealing joint, and the device can be moved. The switching time for a single workstation is ≤2 minutes.

[0045] Example 3

[0046] The differences between Example 3 and Example 2 are as follows: Preferably, the control module 5 further includes a touch screen and a wireless communication module; the touch screen is used to display cycle parameters (rotation speed, duration, liquid level), and the wireless communication module supports connection with a mobile APP to realize remote parameter setting and alarm reminders.

[0047] This embodiment adds intelligent control and remote monitoring functions, making it suitable for automated color matching lines in large paint production workshops.

[0048] Structural improvements: The control module 5 is equipped with a touch screen and a wireless communication module, which can remotely set the cycle parameters (speed and duration) via a mobile APP and receive liquid level and motor temperature data in real time. A flow sensor is added to conveying component 4 to monitor the amount of pigment conveyed in real time, and the data is fed back to the touch screen. A dustproof and breathable valve 21 is added to the top of the transparent slurry storage tank 10 to prevent negative pressure inside the tank from affecting circulation and to prevent dust from entering. Work process: Workers can set circulation parameters (such as rotation speed 1000 r / min, duration 45 min, and conveying flow rate 1.5 L / min) via a mobile app, and the device will start automatically. During operation, the flow sensor monitors the delivery volume in real time. If an abnormal flow occurs (such as a blockage), the touch screen and the APP will simultaneously issue an alarm. When the liquid level is below 1L, the APP will send a notification, allowing workers to replenish the pigment in a timely manner without having to be on-site. After the cycle is completed, the device automatically records the data of this cycle (duration, flow rate, motor temperature) to facilitate production traceability.

[0049] The specific embodiments described above further illustrate the technical problems, technical solutions, and beneficial effects of this utility model. It should be understood that the above descriptions are merely specific embodiments of this utility model and are not intended to limit this utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A portable pigment auxiliary circulation device, characterized in that, The device includes a portable frame (1), a slurry storage assembly (2), a mixing assembly (3), a conveying assembly (4), and a control module (5). The portable frame (1) is an aluminum alloy cuboid frame with an arc-shaped carrying handle (6) on the top, detachable elastic shoulder straps (7) on both sides, and a non-slip rubber pad (8) on the bottom. The slurry storage assembly (2) is fixed to the upper part of the portable frame (1), the mixing assembly (3) is located on the top of the slurry storage assembly (2), the conveying assembly (4) connects the slurry storage assembly (2) to an external paint container (9), and the control module (5) is fixed to the side of the portable frame (1) and electrically connected to the mixing assembly (3) and the conveying assembly (4) respectively.

2. The portable pigment auxiliary circulation device according to claim 1, characterized in that, The slurry storage assembly (2) includes a transparent slurry storage tank (10), a tank cover (11), and a liquid level sensor (12). The transparent slurry storage tank (10) has volume scale lines on its outer side, and the tank cover (11) has a sealed bearing in the middle. The liquid level sensor (12) is located on both sides of the outer wall of the transparent slurry storage tank (10) and is electrically connected to the control module (5).

3. The portable pigment auxiliary circulation device according to claim 1, characterized in that, The stirring assembly (3) includes a stirring motor (13), a stirring shaft (14), and stirring blades (15). The stirring motor (13) is fixed to the top of the bucket cover (11). One end of the stirring shaft (14) passes through a sealed bearing and extends into the transparent slurry storage tank (10), while the other end is connected to the output shaft of the stirring motor (13). The stirring blades (15) have a detachable spiral structure and are coated with a polytetrafluoroethylene non-stick coating.

4. The portable pigment auxiliary circulation device according to claim 1, characterized in that, The conveying assembly (4) includes a conveying pump (16), a slurry inlet pipe (17), a slurry outlet pipe (18), and a filter element (19); the conveying pump (16) is a miniature peristaltic pump, fixed to the lower part of the portable frame (1); one end of the slurry inlet pipe (17) is connected to the bottom outlet of the transparent slurry storage tank (10), and the other end is connected to the inlet of the conveying pump (16); the filter element (19) is a stainless steel filter screen, located at the connection between the slurry inlet pipe (17) and the transparent slurry storage tank (10).

5. A portable pigment auxiliary circulation device according to claim 4, characterized in that, The discharge pipe (18) is a telescopic corrugated pipe with a length adjustment range of 0.5-2m, and the end of the discharge pipe (18) is provided with a replaceable conical sealing joint (23), which is adapted to the paint container interface with a diameter of 50-150mm.

6. A portable pigment auxiliary circulation device according to claim 1, characterized in that, The control module (5) includes a control panel, a PLC controller and a battery; the control panel is equipped with a power switch, a speed adjustment knob, a timer button and a liquid level alarm light; the PLC controller is electrically connected to the stirring motor (13), the delivery pump (16) and the liquid level sensor (12) respectively, and the battery is a 12V rechargeable battery with a capacity of ≥8Ah.

7. A portable pigment auxiliary circulation device according to claim 6, characterized in that, The speed adjustment knob can control the speed of the stirring motor (13) from 500 to 1500 r / min, and the timer button can set the cycle time from 1 to 60 min.

8. A portable pigment auxiliary circulation device according to claim 2, characterized in that, The inner wall of the transparent slurry storage tank (10) is provided with a spiral guide groove (20), and the top is provided with a dustproof and breathable valve (21).

9. A portable pigment auxiliary circulation device according to claim 1, characterized in that, The anti-slip rubber pad (8) at the bottom of the portable frame (1) has a built-in shock-absorbing spring, and the side of the portable frame (1) is provided with a cleaning interface (22), which is connected to the inside of the transparent slurry tank (10) through a hose.

10. A portable pigment auxiliary circulation device according to claim 6, characterized in that, The control module (5) also includes a touch screen and a wireless communication module; the touch screen is used to display cycle parameters (speed, duration, liquid level), and the wireless communication module supports connection with a mobile APP to realize remote parameter setting and alarm reminder.

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