Slurry dispersity detection device for electromagnetic shielding conductive coating production

Abstract

The invention relates to the technical field of paint dispersity detection, in particular to a slurry dispersity detection device for electromagnetic shielding conductive paint production, which comprises an outer box and a cover plate, a plurality of scraper fineness meters are mounted in the outer box, and a multi-point sampling assembly is mounted in the cover plate; the multi-point sampling assembly comprises a sampling pipe, a driving assembly, an auxiliary positioning assembly and an external pipeline, the auxiliary positioning assembly is fixed to the cover plate, one end of the sampling pipe extends into the auxiliary positioning assembly, the driving assembly moves the end, away from the auxiliary positioning assembly, of the sampling pipe, the two ends of the sampling pipe are closed, and one end of the external pipeline extends into the sampling pipe; a long groove communicated with an external pipeline is formed in the sampling pipe, an arc-shaped groove corresponding to the scraper fineness meter is formed in one side of the long groove, and a sampling opening penetrating through the sampling pipe is formed in the inner wall of the arc-shaped groove. The technical problem that the existing slurry dispersibility detection is difficult to sample from different heights respectively and then rapidly detect different samples is solved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of paint dispersibility detection, in particular to a slurry dispersibility detection device for electromagnetic shielding conductive paint production. BACKGROUND

[0002] Slurry dispersibility detection is crucial in electromagnetic shielding conductive paint production, as it directly relates to the conductivity, shielding effectiveness, stability, and appearance of the final coating.

[0003] According to the search, a titanium dioxide dispersibility detection method is disclosed in Chinese patent application No. CN202210131609.7. The method involves inserting a local scraper fineness meter into a defoaming scraping tank, injecting slurry into the vertically placed defoaming scraping tank, and then placing the defoaming scraping tank horizontally. The slurry can be automatically extruded, the slurry volume can be compressed, and the air bubbles in the slurry can be quickly broken and discharged from the defoaming scraping tank. This method not only realizes automatic and rapid defoaming and reduces the detection time, but also effectively reduces the probability of air bubbles in the groove and improves the detection accuracy.

[0004] The above device has a large amount of sampling per time, needs to fill the defoaming scraping tank, and is prone to extruding the slurry out of the tank when extruding the slurry. The sealing requirement of the equipment sealing part is high. In order to ensure the representativeness of sampling, the slurry should be stirred uniformly and then sampled from different heights before detection. The above device cannot meet the demand of sampling from different heights and detecting the samples. SUMMARY

[0005] In view of the deficiencies of the prior art, the application provides a slurry dispersibility detection device for electromagnetic shielding conductive paint production, which solves the technical problem that the existing slurry dispersibility detection device cannot sample from different heights and detect different samples quickly.

[0006] To solve the above technical problems, the application provides the following technical solutions: A slurry dispersibility detection device for electromagnetic shielding conductive paint production, comprising an outer box and a cover plate, wherein the outer box is internally provided with a plurality of scraper fineness meters, and the cover plate is internally provided with a multi-point sampling assembly; The multi-point sampling assembly comprises a sampling pipe, a driving assembly, an auxiliary positioning assembly, and an external pipeline, the auxiliary positioning assembly is fixed to the cover plate, one end of the sampling pipe extends into the auxiliary positioning assembly, the driving assembly moves the sampling pipe away from the one end of the auxiliary positioning assembly, both ends of the sampling pipe are closed, and one end of the external pipeline extends into the sampling pipe.

[0007] Further, a long groove is formed in the sampling pipe and communicates with the external pipeline, an arc-shaped groove corresponding to the scraper fineness meter is formed on one side of the long groove, and a sampling port penetrating through the sampling pipe is formed in the inner wall of the arc-shaped groove.

[0008] Further, the auxiliary positioning assembly comprises a longitudinal rod one, a sleeve one and a cross cylinder, the longitudinal rod one is fixed with the cover plate, the sleeve one is fixed on the longitudinal rod one, the cross cylinder is fixed with the sleeve one, a longitudinal slot penetrating through the cross cylinder is formed on the top of the cross cylinder, and the cross cylinder is made of elastic material.

[0009] Further, the driving assembly comprises a longitudinal rod two, a sleeve two, a rotating tube, a lifting assembly and a rotating assembly, the longitudinal rod two is fixedly connected with the cover plate, the sleeve two is slidingly connected with the longitudinal rod two, the rotating tube is rotationally connected with the sleeve two, the lifting assembly is installed in the cover plate to drive the sleeve two to lift, and the rotating assembly is installed on the sleeve two to drive the rotating tube to rotate.

[0010] Further, the lifting assembly comprises a motor one, a threaded rod and a cross plate, the motor one is fixed in the cover plate, the threaded rod is fixed on the output end of the motor one, the cross plate is fixed on one side of the sleeve two, and the threaded rod penetrates through the cross plate.

[0011] Further, the rotating assembly comprises a motor two and a gear set, the gear set is installed at the joint of the rotating shaft of the rotating tube and the rotating shaft of the motor two, the motor two drives the rotating tube to rotate through the gear set, and the motor two is fixed with the sleeve two.

[0012] Further, a sealing plug is installed at the end of the sampling tube away from the auxiliary positioning assembly, and an external pipeline penetrates through the sealing plug.

[0013] Further, a scraper is installed on the top of the outer box, the scraper is perpendicular to the scraper plate fineness gauge, a longitudinal column is fixedly connected on one side of the scraper, and the longitudinal column is slidingly connected with the outer box.

[0014] By means of the above technical scheme, the slurry dispersibility detection device for electromagnetic shielding conductive paint production provided by the present application has at least the following beneficial effects: 1. The multi-point sampling assembly can sample from different heights of the slurry respectively, and the sampling tube is opened at the target depth to collect the slurry, and the opening is closed during lifting to prevent the mixing of slurry at different depths and improve the detection accuracy, thereby achieving the purpose of rapid sampling and detection of slurry at different heights.

[0015] 2. The auxiliary positioning assembly can fix the two ends of the sampling tube after moving to the specified position to improve the stability when discharging the slurry, and can be flexibly taken out from the inside of the cross cylinder when the driving force reaches a certain degree, thereby facilitating the adjustment of the position of the sampling tube.

[0016] 3. The long slot, arc-shaped slot and sampling port can fix the position of the slurry in the sampling tube to prevent the exchange mixing of the slurry sampled from different heights.

[0017] 4、The application can also use the gravity of the slurry and the negative pressure environment to assist in static defoaming during the process of the sampling tube taking the slurry in the horizontal direction, improve the effect of slurry standing, speed up the bubble discharge in the slurry, and eliminate the influence of the increase of the bubble content in the slurry caused by the air charging to the inside of the sampling tube when the sampling tube is descending in the slurry. BRIEF DESCRIPTION OF DRAWINGS

[0018] The drawings described herein are used to provide further understanding of the present application, and form a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application, and do not constitute improper limitations on the present application. In the drawings: Figure 1 It is a structural schematic diagram of the whole application; Figure 2 It is a structural schematic diagram of the multi-point sampling assembly of the application; Figure 3 It is a structural schematic diagram of the application Figure 2 It is an enlarged structural schematic diagram of A in the application; Figure 4 It is an internal cutaway view of the sampling tube of the application; Figure 5 It is a structural schematic diagram of the outer box of the application.

[0019] In the drawings: 1, outer box; 2, cover plate; 3, doctor blade fineness gauge; 4, multi-point sampling assembly; 41, sampling tube; 42, driving assembly; 421, longitudinal rod two; 422, sleeve two; 423, rotating tube; 424, lifting assembly; 4241, motor one; 4242, threaded rod; 4243, transverse plate; 425, rotating assembly; 4251, motor two; 4252, gear set; 43, auxiliary positioning assembly; 431, longitudinal rod one; 432, sleeve one; 433, transverse cylinder; 44, external pipeline; 5, long groove; 6, arc-shaped groove; 7, sampling port; 8, sealing plug; 9, doctor blade; 10, longitudinal column. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0021] Embodiment one In order to realize the purpose of synchronously sampling from different heights of the slurry and detecting different samples, please refer to Figures 1-3The embodiment provides a slurry dispersibility detection device for production of electromagnetic shielding conductive paint, which comprises an outer box 1 and a cover plate 2, a plurality of scraper fineness gauges 3 are arranged in the outer box 1, a multi-point sampling assembly 4 is arranged in the cover plate 2, the multi-point sampling assembly 4 comprises a sampling pipe 41, a driving assembly 42, an auxiliary positioning assembly 43 and an external pipeline 44, the auxiliary positioning assembly 43 is fixed to the cover plate 2, one end of the sampling pipe 41 extends into the auxiliary positioning assembly 43, the driving assembly 42 moves the sampling pipe 41 away from one end of the auxiliary positioning assembly 43, both ends of the sampling pipe 41 are closed, and one end of the external pipeline 44 extends into the sampling pipe 41.

[0022] In use, the slurry container is placed on one side of the outer box 1 close to the driving assembly 42, the slurry is uniformly stirred, the driving assembly 42 first drives the sampling pipe 41 to rise to the highest position, and then drives the sampling pipe 41 to rotate to the vertical direction, at this time, the slurry container is directly below the sampling pipe 41, the external pipeline 44 is connected with a gas pipeline, then the driving assembly 42 drives the sampling pipe 41 in the vertical direction to descend until all openings of the sampling pipe 41 enter the slurry, before the sampling pipe 41 descends, the external pipeline 44 is filled with gas to form positive pressure, so as to prevent the slurry from entering; when descending to the target depth, the gas is drawn away to form negative pressure, so that the slurry is sucked from the sampling port 7, then the driving assembly 42 drives the sampling pipe 41 to rise above the slurry, in this process, the rising speed of the sampling pipe 41 is accelerated, and the gas pipeline is controlled to fill gas into the external pipeline 44 and the sampling pipe 41, so that the slurry in the sampling pipe 41 is slowly discharged, so as to achieve the following purposes: when the slurry is sampled in layers, the sampling pipe 41 should be opened at the target depth and collect the slurry, and the opening of the sampling pipe 41 should be closed during the lifting process, so as to prevent the slurry at different depths from mixing.

[0023] After the sampling pipe 41 rises above the slurry, the internal negative pressure of the sampling pipe 41 is re-established, so as to prevent the slurry in the sampling pipe 41 from flowing out during movement, the driving assembly 42 drives the sampling pipe 41 to rotate to the horizontal direction, and then drives the sampling pipe 41 to descend until the sampling pipe 41 is clamped into the auxiliary positioning assembly 43 at the end away from the driving assembly 42 and is fixed, at this time, the opening at the bottom of the sampling pipe 41 is directly opposite the scraper fineness gauge 3 below, the internal positive pressure of the sampling pipe 41 is controlled, so as to make the slurry in the sampling pipe 41 flow to the corresponding scraper fineness gauge 3 from different gaps, then the slurry is scraped on the scraper fineness gauge 3 for detection, the dispersion detection results of the slurry at different heights are recorded, finally the sampling pipe 41 and the scraper fineness gauge 3 are cleaned, and the work of detecting the dispersion of the slurry is waited for next time, the slurry can be sampled from different heights respectively, the sampling pipe 41 is opened at the target depth and collects the slurry, the opening of the sampling pipe 41 is closed during the lifting process, so as to prevent the slurry at different depths from mixing, so as to improve the detection accuracy, and the purpose of rapidly sampling and detecting the slurry at different heights is achieved.

[0024] In order to improve the stability of the sampling tube 41 when moving the slurry from the sampling tube 41 to the doctor blade consistometer 3, prevent the slurry from spilling outside the doctor blade consistometer 3, with reference to Figure 2 , the auxiliary positioning assembly 43 includes a longitudinal rod 431, a sleeve 432, and a cross cylinder 433, the longitudinal rod 431 is fixed with the cover plate 2, the sleeve 432 is fixed on the longitudinal rod 431, and the cross cylinder 433 is fixed with the sleeve 432, the top of the cross cylinder 433 is provided with a longitudinal slot penetrating through the cross cylinder 433, and the cross cylinder 433 is made of elastic material, and the sampling tube 41 is deformed by extruding the cross cylinder 433 and then enters the inside of the cross cylinder 433.

[0025] In use, the driving assembly 42 drives the sampling tube 41 to rotate to the horizontal direction and then to descend until the sampling tube 41 contacts the cross cylinder 433, the sampling tube 41 continues to descend and extrudes the longitudinal slot of the cross cylinder 433 to deform and expand, and then the sampling tube 41 stops moving downward, at this time, one end of the sampling tube 41 is fixed by the driving assembly 42, and the other end is fixed by the cross cylinder 433, so that the stability of the sampling tube 41 when discharging slurry to the doctor blade consistometer 3 is improved, when the sampling tube 41 needs to be moved, the driving assembly 42 drives the sampling tube 41 to rise, the sampling tube 41 expands the longitudinal slot of the cross cylinder 433 and then moves to the outside of the cross cylinder 433, so that the sampling tube 41 can be fixed at both ends after being moved to a specified position to improve the stability when discharging slurry, and the sampling tube 41 can be taken out from the inside of the cross cylinder 433 when the driving force reaches a certain degree, so that the position of the sampling tube 41 can be adjusted conveniently.

[0026] In order to achieve the purpose of lifting and rotating the sampling tube 41, with reference to Figure 3 , the driving assembly 42 includes a longitudinal rod 421, a sleeve 422, a rotating tube 423, a lifting assembly 424, and a rotating assembly 425, the longitudinal rod 421 is fixedly connected with the cover plate 2, the sleeve 422 is slidingly connected with the longitudinal rod 421, the rotating tube 423 is rotationally connected with the sleeve 422, the lifting assembly 424 is installed in the cover plate 2 to drive the sleeve 422 to lift, and the rotating assembly 425 is installed on the sleeve 422 to drive the rotating tube 423 to rotate, the lifting assembly 424 includes a motor 4241, a threaded rod 4242, and a cross plate 4243, the motor 4241 is fixed in the cover plate 2, the threaded rod 4242 is fixed on the output end of the motor 4241, and the cross plate 4243 is fixed on one side of the sleeve 422, the threaded rod 4242 penetrates through the cross plate 4243, and the rotating assembly 425 includes a motor 4251 and a gear set 4252, the gear set 4252 is installed at the joint of the rotating shaft of the rotating tube 423 and the rotating shaft of the motor 4251, the motor 4251 drives the rotating tube 423 to rotate through the gear set 4252, and the motor 4251 is fixed with the sleeve 422.

[0027] When it is needed to drive the sampling tube 41 to lift, the motor 4241 drives the threaded rod 4242 to rotate, and then drives the sleeve 422, the rotating tube 423 and the sampling tube 41 to lift, when it is needed to drive the sampling tube 41 to rotate, the motor 4251 drives the rotating tube 423 and the sampling tube 41 to rotate through the gear set 4252, which is convenient to drive the sampling tube 41 to lift and rotate according to the needs.

[0028] Embodiment two In order to avoid the mixing of pulp at different heights when the sampling tube 41 is in the horizontal direction, referring to Figures 1-5 On the basis of embodiment one, the sampling tube 41 is internally provided with a long groove 5 which is in communication with the external pipeline 44, the long groove 5 is provided with an arc-shaped groove 6 which corresponds to the doctor bar gauge 3 on one side, and the inner wall of the arc-shaped groove 6 is provided with a sampling port 7 which penetrates the sampling tube 41.

[0029] When the sampling tube 41 is placed horizontally, the pulp is settled to the bottom of the long groove 5 due to gravity, and flows into the arc-shaped groove 6 through the communication design, and the different height pulp is prevented from mixing by the limiting structure of the arc-shaped groove 6, at this time, the external pipeline 44 is connected to the gas pipeline, and the air in the sampling tube 41 is continuously removed, so that the inside of the sampling tube 41 is in a negative pressure state, and the negative pressure is used to prevent the pulp from flowing out of the sampling port 7, when it is needed to discharge the pulp in the sampling tube 41 to the doctor bar gauge 3, the external pipeline 44 is connected to the gas pipeline, and air is sent into the sampling tube 41, which pushes the pulp to discharge from the sampling port 7 to the doctor bar gauge 3, and the process of loading is completed, which can fix the position of the pulp in the sampling tube 41, and prevent the mixing of the pulp sampled from different heights.

[0030] The process of the sampling tube 41 taking the pulp in the horizontal direction can also use the gravity of the pulp itself and the negative pressure environment to assist in standing still to defoam, improve the effect of standing still of the pulp, speed up the discharge of the bubbles in the pulp, and eliminate the influence of the increase of the bubble content in the pulp caused by the inflation of the sampling tube 41 when it is lowered in the pulp.

[0031] In order to scrape the pulp on the doctor bar gauge 3, and improve the sealing degree when the external pipeline 44 and the sampling tube 41 are loose at the joint due to the frequent lifting and rotation of the sampling tube 41, referring to Figure 4 and Figure 5 , the sampling tube 41 is provided with a sealing plug 8 at the end away from the auxiliary positioning assembly 43, the external pipeline 44 penetrates the sealing plug 8, the outer box 1 is provided with a scraper 9 on the top, the scraper 9 is perpendicular to the doctor bar gauge 3, the scraper 9 is fixedly connected with a longitudinal column 10 on one side, the longitudinal column 10 is slidingly connected with the outer box 1, and the moving path of the scraper 9 coincides with the center line of all the doctor bar gauges 3.

[0032] In use, the spatula 9 is pushed to slide the longitudinal column 10 along the outer box 1, the spatula 9 moving to scrape the paste on the spatula fineness gauge 3, when the outer connection pipe 44 and the sampling pipe 41 are loose, the sealing plug 8 is taken out from the sampling pipe 41, then a new sealing plug 8 is replaced, and finally the outer connection pipe 44 is inserted into the sealing plug 8 again.

[0033] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting; it is not intended to exclude myriad other embodiments of the present application that other present or future devices possess. That is, although the specification can contain many preferences, these should not be deemed to limit the application in any way but rather to provide illustration of some embodiments. Terms such as "first" and "second" are used herein merely to identify corresponding components without necessarily implying a sequence or order of use, or importance Of the components so designated. This specification uses

[0034] While the embodiments of the application have been shown and described herein, it is to be understood that the application is not limited to these embodiments. Rather, numerous modifications can be made by those skilled in the art, without departing from the spirit and scope of the present application, which is defined by the following claims and their equivalents.

Claims

1. A slurry dispersion detection device for producing electromagnetic shielding conductive coatings, comprising an outer box (1) and a cover plate (2), characterized in that: A plurality of scraper fineness gauges (3) are installed inside the outer box (1), and a multi-point sampling assembly (4) is installed inside the cover plate (2); The multi-point sampling assembly (4) comprises a sampling tube (41), a driving assembly (42), an auxiliary positioning assembly (43) and an external pipe (44), wherein the auxiliary positioning assembly (43) is fixed to the cover plate (2), one end of the sampling tube (41) extends into the interior of the auxiliary positioning assembly (43), the driving assembly (42) moves the sampling tube (41) away from one end of the auxiliary positioning assembly (43), both ends of the sampling tube (41) are closed, and one end of the external pipe (44) extends into the interior of the sampling tube (41).

2. A slurry dispersion detection device for producing electromagnetic shielding conductive coatings according to claim 1, characterized in that: The sampling tube (41) is provided with a long groove (5) in communication with an external pipe (44), one side of the long groove (5) is provided with an arc-shaped groove (6) corresponding to the scraper fineness meter (3), and the inner wall of the arc-shaped groove (6) is provided with a sampling port (7) that passes through the sampling tube (41).

3. The slurry dispersion detection device for producing electromagnetic shielding conductive coating according to claim 1, characterized in that: The auxiliary positioning assembly (43) includes a longitudinal rod (431), a sleeve (432) and a transverse cylinder (433). The longitudinal rod (431) is fixed to the cover plate (2), the sleeve (432) is fixed to the longitudinal rod (431), and the transverse cylinder (433) is fixed to the sleeve (432). A longitudinal groove running through the transverse cylinder (433) is provided on the top of the transverse cylinder (433). The transverse cylinder (433) is made of elastic material. The sampling tube (41) squeezes and deforms the transverse cylinder (433) and then enters the interior of the transverse cylinder (433).

4. The slurry dispersion detection device for producing electromagnetic shielding conductive coating according to claim 1, characterized in that: The driving assembly (42) comprises a second longitudinal rod (421), a second sleeve (422), a rotating tube (423), a lifting assembly (424) and a rotating assembly (425). The second longitudinal rod (421) is fixedly connected to the cover plate (2), the second sleeve (422) is slidably connected to the second longitudinal rod (421), the rotating tube (423) is rotatably connected to the second sleeve (422), the lifting assembly (424) is installed in the cover plate (2) to drive the second sleeve (422) to rise and fall, and the rotating assembly (425) is installed on the second sleeve (422) to drive the rotating tube (423) to rotate.

5. The device for detecting the dispersion of slurry for producing electromagnetic shielding conductive coating according to claim 4, characterized in that: The lifting assembly (424) comprises a motor 1 (4241), a threaded rod (4242) and a transverse plate (4243); the motor 1 (4241) is fixed in the cover plate (2); the threaded rod (4242) is fixed to the output end of the motor 1 (4241); the transverse plate (4243) is fixed to one side of the sleeve 2 (422); and the threaded rod (4242) passes through the transverse plate (4243).

6. The device for detecting the dispersion of slurry for producing electromagnetic shielding conductive coating according to claim 4, characterized in that: The rotating assembly (425) includes a second motor (4251) and a gear set (4252). The gear set (4252) is installed at the connection between the rotating shaft of the rotating tube (423) and the rotating shaft of the second motor (4251). The second motor (4251) drives the rotating tube (423) to rotate through the gear set (4252). The second motor (4251) is fixed to the second sleeve (422).

7. The device for detecting the dispersion of slurry for producing electromagnetic shielding conductive coating according to claim 1, characterized in that: A sealing plug (8) is installed at one end of the sampling tube (41) away from the auxiliary positioning assembly (43), and the external pipeline (44) passes through the sealing plug (8).

8. The device for detecting the dispersion of slurry for producing electromagnetic shielding conductive coating according to claim 1, characterized in that: A scraper (9) is installed on the top of the outer box (1), and the scraper (9) is perpendicular to the scraper fineness meter (3). A longitudinal column (10) is fixedly connected to one side of the scraper (9), and the longitudinal column (10) is slidably connected to the outer box (1).

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