Carboxylic butyronitrile latex grinding degree detection device based on particle size distribution

Abstract

The utility model relates to the technical field of carboxylic butadiene-acrylonitrile latex detection, and discloses a carboxylic butadiene-acrylonitrile latex grinding degree detection device based on particle size distribution, which comprises a support frame, the upper side of the support frame is in threaded fit with a lifting threaded rod, and the lifting threaded rod is in threaded fit with a moving block. One side of the moving block is fixedly connected with an empty groove plate, the inner wall of the empty groove plate is rotatably matched with an adjusting screw rod, the adjusting screw rod is in threaded fit with an adjusting block which is in sliding fit with the empty groove plate, and one side of the adjusting block is fixedly connected with a detector body. When non-transparent liquid is detected, the measuring rod and the bottom of the detection assembly can be kept in a horizontal state by turning over the hollow measuring block, and then the depth control of the detection assembly entering a container can be more visually observed by observing the measuring rod. The accuracy of the insertion depth of the rotor is crucial for ensuring the consistency and reliability of the measurement result, so that the accuracy in the detection process is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of carboxy nitrile latex detection, in particular to a detection device for the grinding degree of carboxy nitrile latex based on particle size distribution. Background Technique

[0002] Carboxy nitrile latex is a synthetic rubber latex containing carboxyl functional groups, usually presented as an opaque liquid in milky white or light yellow. It has good adhesion performance, oil resistance and heat resistance, and is widely used in adhesives, sealants, coatings, textiles and other fields. The particle size distribution of carboxy nitrile latex has an important impact on its performance, including its stability, film-forming performance, adhesion strength, etc. During the detection process of carboxy nitrile latex with particle size distribution, it is necessary to conduct grinding degree detection. The grinding degree refers to the degree of shear force and friction force that the latex receives during the processing process, which affects the fluidity of the latex and the performance of the final product. The detection device may evaluate the grinding degree by measuring the rheological properties of the latex under specific conditions, such as through a rotational viscometer or a rheometer. Generally, by measuring the viscosity at different shear rates with a rotational viscometer, the rheological characteristics of the latex can be obtained, thereby inferring the behavior of the latex during the processing process. If the latex shows a lower viscosity at a high shear rate, this may indicate that the latex has experienced a higher grinding degree, because the shear force will cause the breakage of the latex molecular chains, thereby reducing the viscosity.

[0003] Chinese Patent with application number CN202321932181.2 discloses a novel rotational viscometer, belonging to the technical field of glue. It includes a base, a column, a protective frame, a rotor and an electrical main body. The bottom of the electrical main body is provided with a main shaft, and the main shaft is connected to the rotor through a quick-release structure. A scraping ring corresponding to the rotor is fixedly connected to the protective frame. Through the setting of the quick-release structure and the scraping ring in the utility model, the used rotor can be directly pulled down from the connector, which is convenient and fast. At the same time, during the removal process, the rotor passes through the scraping ring, and the glue remaining on it is scraped off, reducing subsequent dripping and facilitating cleaning.

[0004] However, in the actual use process, when using carboxy nitrile latex, since the latex is generally an opaque liquid, when the rotor enters the latex, the rotor will be affected by the vision, resulting in the inability to judge the depth of the rotor entering the container. Since the depth of the rotor of the rotational viscometer immersed in the liquid has a significant impact on the measurement result, if the rotor is immersed too shallow or too deep, it will lead to inaccurate measurement. Content of the Utility Model

[0005] (1) Technical Problems to be Solved

[0006] Aiming at the deficiencies of the prior art, the utility model provides a carboxybutadiene latex fineness detection device based on particle size distribution, which has the advantage of being able to intuitively judge the depth of the rotor inserted into the non-transparent container, and solves the problem that due to the non-transparency of the detection liquid, it is impossible to judge the depth of the rotor entering the container, resulting in a decrease in detection accuracy.

[0007] To achieve the above object, the utility model provides the following technical solutions: A carboxybutadiene latex fineness detection device based on particle size distribution, including a support frame, on the upper side of the support frame is threadedly engaged with a lifting screw rod, on the lifting screw rod is threadedly engaged with a moving block, on one side of the moving block is fixedly connected with a hollow plate, inside the hollow plate is rotationally engaged with an adjusting screw rod, on the adjusting screw rod is threadedly engaged with an adjusting block that is slidably engaged with the hollow plate, on one side of the adjusting block is fixedly connected with a detector body, and a detection component is arranged below the detector body;

[0008] On one side of the detector body is fixedly connected with a U-shaped block, inside the inner wall of the U-shaped block is rotationally engaged with a hollow measuring block, inside the hollow measuring block is slidably engaged with a measuring rod, on the lower side of the support frame are provided a plurality of support components, and on the upper side of the support frame are fixedly connected with two limiting rods that are slidably engaged with the moving block.

[0009] Preferably, the detection component includes a rotor arranged below the detector body and a protection frame fixedly connected below the detector body and located outside the rotor.

[0010] Preferably, the support component includes a plurality of threaded sleeves fixedly connected to the lower side of the support frame, a plurality of fine-tuning rods threadedly engaged with the inner walls of the threaded sleeves, and support legs fixedly connected to the output ends of the plurality of fine-tuning rods.

[0011] Preferably, on the lower side of the inner wall of the support frame is provided with an installation opening, and inside the inner wall of the installation opening is fixedly connected with a horizontal detection ring.

[0012] Preferably, on one side of the detector body is fixedly connected with a U-shaped clamp, and the inner wall of the U-shaped clamp is clamped with the hollow measuring block.

[0013] Preferably, on one side of the inner wall of the hollow measuring block is provided with a limiting groove, and inside the inner wall of the limiting groove is slidably engaged with a limiting block fixedly connected to the measuring rod.

[0014] Preferably, on the upper sides of both the lifting screw rod and the adjusting screw rod are fixedly connected with hand-tightening buttons, and anti-slip rings are arranged on the outer sides of the two hand-tightening buttons.

[0015] (II) Beneficial effects

[0016] Compared with the prior art, the utility model provides a carboxy nitrile latex fineness detection device based on particle size distribution, which has the following beneficial effects:

[0017] 1. By setting a hollow measuring block and a measuring rod, when detecting a non-transparent liquid, the hollow measuring block can be flipped to make the measuring rod horizontal with the bottom of the detection component, and then by observing the measuring rod, the depth of the detection component entering the container can be more intuitively observed. Since the accuracy of the rotor insertion depth is crucial for ensuring the consistency and reliability of the measurement results, the accuracy in the detection process is improved.

[0018] 2. By setting a lifting threaded rod and a hollow groove plate, the height of the detector body can be controlled through the hollow groove plate, and the height of the hollow groove plate can be adjusted through the lifting threaded rod for operating a higher container, such as a higher glass. When using a lower glass, the lifting threaded rod can be rotated in the reverse direction to make the hollow groove plate overlap with the lifting threaded rod, achieving space saving. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is the overall three-dimensional structure schematic diagram of the utility model;

[0020] Figure 2 is the sectional structure schematic diagram of the support component of the utility model;

[0021] Figure 3 is the side three-dimensional structure schematic diagram of the utility model;

[0022] Figure 4 is the vertical sectional structure schematic diagram of the hollow measuring block of the utility model.

[0023] In the figure: 1, support frame; 2, lifting threaded rod; 3, moving block; 4, adjusting screw rod; 5, adjusting block; 6, detector body; 7, detection component; 701, rotor; 702, protection frame; 8, U-shaped block; 9, hollow measuring block; 10, measuring rod; 11, support component; 111, threaded sleeve; 112, fine-tuning rod; 113, support leg; 12, mounting opening; 13, horizontal detection ring; 14, U-shaped clamp; 15, limiting groove; 16, limiting rod; 17, limiting block; 18, hand-tightening buckle; 19, anti-slip ring; 20, hollow groove plate. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0024] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0025] The following will further describe the present application in detail with reference to Figure 1 —4.

[0026] The embodiment of the present application discloses a carboxy nitrile latex fineness detection device based on particle size distribution. A carboxy nitrile latex fineness detection device based on particle size distribution includes a support frame 1. A lifting screw rod 2 is in threaded cooperation with the upper side of the support frame 1. A moving block 3 is in threaded cooperation with the lifting screw rod 2. A hollow groove plate 20 is fixedly connected to one side of the moving block 3. An adjusting screw rod 4 is rotatably fitted to the inner wall of the hollow groove plate 20. An adjusting block 5 that is slidably fitted to the hollow groove plate 20 is in threaded cooperation with the adjusting screw rod 4. A detector body 6 is fixedly connected to one side of the adjusting block 5. A detection assembly 7 is arranged below the detector body 6;

[0027] A U-shaped block 8 is fixedly connected to one side of the detector body 6. A hollow measuring block 9 is rotatably fitted to the inner wall of the U-shaped block 8. A measuring rod 10 is slidably fitted to the inner wall of the hollow measuring block 9. A plurality of support assemblies 11 are arranged below the support frame 1. Two limiting rods 16 that are slidably fitted to the moving block 3 are fixedly connected to the upper side of the support frame 1.

[0028] As Figure 1 shown, the detection assembly 7 includes a rotor 701 arranged below the detector body 6 and a protection frame 702 fixedly connected to the lower side of the detector body 6 and located outside the rotor 701. The rotor 701 rotates in contact with the liquid. Based on Newton's viscosity law, which states that the shear stress of a fluid is proportional to the shear rate. In a rotational viscometer, the rotor 701 is placed in the liquid to be measured and rotates at a certain speed. The viscosity of the liquid will cause the rotor 701 to be subjected to resistance, and this resistance can be quantified by measuring the torque generated when the rotor 701 rotates. It is in cooperation with the detector body 6 and is prior art. The detector body 6 has a driving member, a display member, and a detection member, and they cooperate with each other.

[0029] As Figure 2 shown, the support assembly 11 includes a plurality of threaded sleeves 111 fixedly connected to the lower side of the support frame 1, a plurality of fine-tuning rods 112 threadedly fitted to the inner walls of the threaded sleeves 111, and support legs 113 fixedly connected to the output ends of the plurality of fine-tuning rods 112. By rotating the support legs 113 to drive the fine-tuning rods 112 to rotate and move within the threaded sleeves 111, the problem of adjusting the level can be achieved.

[0030] As Figure 2 shown, an installation opening 12 is provided on the lower side of the inner wall of the support frame 1, and a horizontal detection ring 13 is fixedly connected to the inner wall of the installation opening 12. By the horizontal detection ring 13 in the installation opening 12, the horizontal condition of the support frame 1 can be shown, improving the accuracy of detection.

[0031] As Figure 3 shown, a U-shaped clamp 14 is fixedly connected to one side of the detector body 6, and the inner wall of the U-shaped clamp 14 is clamped with the hollow measuring block 9. When not in use, by clamping the hollow measuring block 9 in the U-shaped clamp 14, the hollow measuring block 9 can be limited.

[0032] As Figure 4 shown, a limiting groove 15 is provided on one side of the inner wall of the hollow measuring block 9, and a limiting block 17 fixedly connected to the measuring rod 10 is slidably engaged with the inner wall of the limiting groove 15. During the movement of the measuring rod 10, by the movement of the limiting block 17 in the limiting groove 15, the situation that the measuring rod 10 breaks away from the hollow measuring block 9 can be avoided. When the measuring rod 10 slides in the hollow measuring block 9, it has a certain damping effect. When the measuring rod 10 is pulled, if there is no external force to clean it, there will be no change, which is similar to the damping effect of a radio antenna.

[0033] As Figure 1 - Figure 3 shown, hand-tightening buttons 18 are fixedly connected to the upper sides of the lifting screw rod 2 and the adjusting screw rod 4, and anti-slip rings 19 are arranged on the outer sides of the two hand-tightening buttons 18. By the hand-tightening buttons 18, the convenience of operating the lifting screw rod 2 and the adjusting screw rod 4 can be improved, and the anti-slip rings 19 increase the friction force for operating the hand-tightening buttons 18.

[0034] The working principle of a particle size distribution-based carboxybutadiene latex grinding degree detection device in an embodiment of the present application is as follows: When in use, first, the support legs 113 need to be placed on the corresponding desktop, and then by rotating the support legs 113, the fine-tuning rod 112 is driven to rotate and move up and down in the threaded sleeve 111, and the horizontal detection ring 13 in the installation opening 12 is observed to judge the stability of the support frame 1. Next, the sample of the carboxybutadiene latex with particle size distribution is diluted and then placed in a corresponding container. The container can be a glass sample cup for holding the sample of the carboxybutadiene latex with particle size distribution;

[0035] Then place the container inside the corresponding support frame 1. By rotating the adjusting screw rod 4, the detector body 6 and the detection component 7 can be driven to move up and down, so that the protection frame 702 can enter the container. Start the detector body 6 to drive the rotor 701 to rotate for stirring detection. When dealing with a taller container, by rotating the lifting screw rod 2, under the limiting action of the moving limit block 17, the empty slot plate 20 can be driven to move upward, realizing the adjustment of the height of the empty slot plate 20 to be suitable for a taller glass. When using a shorter glass, by rotating the lifting screw rod 2 in the reverse direction, the empty slot plate 20 and the lifting screw rod 2 can overlap, realizing space saving.

[0036] When controlling the rotor 701 to enter the container, the hollow measuring block 9 can be flipped and rotated 180 degrees. At this moment, the hollow measuring block 9 is in a vertically downward state. When the detector body 6 moves downward, its hollow measuring block 9 will move downward accordingly. By comparing the hollow measuring block 9 with the container, the depth control of the detection component 7 entering the container can be more intuitively understood, thus improving the detection control of the depth, and further making the detection more accurate. By expanding and contracting the measuring rod 10 in the measuring rod 10, it can be applicable to detection components 7 of different lengths, improving the scope of application.

[0037] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device.

[0038] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A carboxy nitrile latex fineness detection device based on particle size distribution, comprising a support frame (1), characterized in that: The upper side of the support frame (1) is threadedly fitted with a lifting screw rod (2), the lifting screw rod (2) is threadedly fitted with a moving block (3), one side of the moving block (3) is fixedly connected with an empty groove plate (20), the inner wall of the empty groove plate (20) is rotatably fitted with an adjusting screw rod (4), the adjusting screw rod (4) is threadedly fitted with an adjusting block (5) which is slidably fitted with the empty groove plate (20), one side of the adjusting block (5) is fixedly connected with a detector body (6), and a detection assembly (7) is arranged below the detector body (6); One side of the detector body (6) is fixedly connected with a U-shaped block (8), the inner wall of the U-shaped block (8) is rotatably fitted with a hollow measuring block (9), the inner wall of the hollow measuring block (9) is slidably fitted with a measuring rod (10), a plurality of support assemblies (11) are arranged below the support frame (1), and two limiting rods (16) which are slidably fitted with the moving block (3) are fixedly connected to the upper side of the support frame (1).

2. The carboxy-terminated nitrile latex fineness detection device based on particle size distribution according to claim 1, wherein: The detection assembly (7) includes a rotor (701) arranged below the detector body (6) and a protection frame (702) fixedly connected to the lower side of the detector body (6) and located outside the rotor (701).

3. The carboxy nitrile latex fineness detection device based on particle size distribution according to claim 1, wherein: The support assembly (11) includes a plurality of threaded sleeves (111) fixedly connected to the lower side of the support frame (1), a plurality of fine-tuning rods (112) threadedly fitted in the inner walls of the threaded sleeves (111), and support legs (113) fixedly connected to the output ends of the plurality of fine-tuning rods (112).

4. The carboxy nitrile latex fineness detection device based on particle size distribution according to claim 1, characterized in that: An installation opening (12) is formed in the lower side of the inner wall of the support frame (1), and a horizontal detection ring (13) is fixedly connected to the inner wall of the installation opening (12).

5. The carboxy nitrile latex fineness detection device based on particle size distribution according to claim 1, wherein: One side of the detector body (6) is fixedly connected with a U-shaped clamp (14), and the inner wall of the U-shaped clamp (14) is clamped with the hollow measuring block (9).

6. The carboxy nitrile latex fineness detection device based on particle size distribution according to claim 1, characterized in that: A limiting groove (15) is formed in one side of the inner wall of the hollow measuring block (9), and a limiting block (17) fixedly connected with the measuring rod (10) is slidably fitted in the inner wall of the limiting groove (15).

7. An apparatus for detecting the fineness of carboxylated nitrile latex based on particle size distribution according to claim 1, characterized in that: Hand-twisting buttons (18) are fixedly connected to the upper sides of the lifting screw rod (2) and the adjusting screw rod (4), and anti-slip rings (19) are arranged on the outer sides of the two hand-twisting buttons (18).

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