Chemical corrosion resistance detection equipment for thermosetting powder coating

By designing a testing device that includes a limiting plate, a liquid storage cylinder, a manual screw, and a sealing unit, the problem of tedious individual addition of multiple reagents in the chemical corrosion resistance testing of thermosetting powder coatings has been solved, achieving rapid and convenient reagent addition and effective reagent management.

CN223742268UActive Publication Date: 2025-12-30TONGLING CHANGXIANG NEW MATERIAL TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202422299698.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-20
Publication Date
2025-12-30
Estimated Expiration
2034-09-20

AI Technical Summary

Technical Problem

In current chemical corrosion resistance testing of thermosetting powder coatings, the process of adding multiple reagents drop by drop is cumbersome, leading to inconvenience and reagent waste.

Method used

Design a detection device including a limiting plate, a liquid storage cylinder, a manual screw, a squeezing rod, and a sealing unit. The manual screw drives the squeezing rod to simultaneously drip multiple reagents onto the detection plate. The sealing unit prevents reagent contamination, and the reagent amount is controlled by a quantitative dripping mechanism.

Benefits of technology

It enables rapid and convenient addition of various reagents, reduces operational steps, avoids reagent contamination and waste, and improves detection efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses equipment for detecting the chemical corrosion resistance of a thermosetting powder coating. The equipment comprises a bottom plate with a limiting plate, a first mounting plate with a plurality of liquid storage cylinders, and a second mounting plate which is in threaded connection with a manual screw rod, the lower end of the manual screw rod is rotationally connected with the upper end of the first mounting plate, the first mounting plate is fixedly mounted above the bottom plate through an L-shaped rod, extrusion rods with the same number as the liquid storage cylinders are arranged at the lower end of the second mounting plate, and the lower ends of the extrusion rods are located in inner cavities of the corresponding liquid storage cylinders; and an elastic piston is mounted at the lower end of each extrusion rod. According to the detection equipment, a manual screw rod can be manually rotated, so that a second mounting plate drives an extrusion rod to move downwards, different reagents in a plurality of liquid storage cylinders are simultaneously and respectively extruded out and dropwise added to each part of a detection plate, one-by-one dropwise adding operation is not needed, and the operation is more convenient and quicker.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of paint performance detection, especially relates to a thermosetting powder paint chemical corrosion resistance detection equipment. BACKGROUND

[0002] Thermosetting powder paint is a kind of paint with thermosetting resin as film-forming material, adding curing agent for cross-linking reaction, which can form insoluble and infusible, hard texture coating after heating.

[0003] After the production of thermosetting powder paint, it needs to be detected for chemical resistance, such as acid-base, brine detection, and chemical resistance detection of thermosetting paint is to ensure its quality and performance, meet the needs of different application scenarios, improve the competitiveness of products and evaluate its stability and durability in a particular environment. These detection items are important for ensuring the quality and safety of paint products and promoting the development of the paint industry,

[0004] When the existing coating layer solidified on the detection plate is detected, the operator adds a variety of reagents (such as brine, alkaline reagent, acidic reagent, etc.) to the coating layer on the detection plate one by one for chemical corrosion resistance detection by using a dropping tank. The one-by-one dropping operation of multiple reagents is relatively troublesome and cumbersome, therefore, the present application provides a thermosetting powder paint chemical corrosion resistance detection equipment to meet the needs. UTILITY MODEL CONTENTS

[0005] The purpose of the present application is to provide a thermosetting powder paint chemical corrosion resistance detection equipment to solve the technical problem of the existing one-by-one dropping operation of multiple reagents being relatively troublesome and cumbersome.

[0006] To achieve the above-mentioned purpose, the present application provides the following technical scheme: a thermosetting powder paint chemical corrosion resistance detection equipment, comprising a bottom plate with a limiting plate, a first mounting plate with a plurality of liquid storage cylinders and a second mounting plate with a manual screw rod threadedly connected thereon;

[0007] The lower end of the manual screw rod is rotatably connected to the upper end of the first mounting plate, the first mounting plate is fixedly installed above the bottom plate through an L-shaped rod, the lower end of the second mounting plate is provided with a plurality of extrusion rods corresponding to the number of liquid storage cylinders, and the lower end of each extrusion rod is located in the inner cavity of the corresponding liquid storage cylinder, and an elastic piston is installed at the lower end of each extrusion rod.

[0008] The lower end of the liquid storage cylinder is provided with a conical structure, the upper and lower ends of the liquid storage cylinder are both provided with openings, and the inner cavity of the liquid storage cylinder is provided with a conical structure.

[0009] As a preferred embodiment in the present embodiment, a sealing unit is further included for sealing the liquid outlets at the lower ends of the plurality of liquid storage cylinders.

[0010] As a preferred embodiment in the present embodiment, the sealing unit comprises a plurality of carrier plates with elastic sealing pads on the upper ends, and the plurality of carrier plates are connected with a rotating rod through corresponding connecting rods, the rotating rod is rotationally arranged at the bottom of the first mounting plate, and the plurality of elastic sealing pads seal the liquid outlets at the lower ends of the liquid storage cylinders.

[0011] As a preferred embodiment in the present embodiment, the quantitative dropping mechanism is further included to control the dropping amount of the reagent.

[0012] As a preferred embodiment in the present embodiment, the quantitative dropping mechanism comprises a U-shaped rod fixedly installed at one end of the L-shaped rod, the other end of the U-shaped rod passes through a through hole provided on the second mounting plate, a plurality of semicircular hard blocking blocks are arranged in a linear type at equal intervals on the U-shaped rod, and semicircular soft blocking blocks adapted to the hard blocking blocks are arranged on the inner wall of the through hole.

[0013] As a preferred embodiment in the present embodiment, the bottom of the bottom plate is provided with a taking opening.

[0014] In summary, the technical effects and advantages of the present application are as follows:

[0015] The present application has a reasonable structure, and the detection equipment can be manually rotated by a manual screw rod, so that the second mounting plate drives the extrusion rod to move downward, thereby simultaneously extruding different reagents in the plurality of liquid storage cylinders and dropping them on each part of the detection plate, without the need for drop-by-drop operation, so that the operation is more convenient and fast.

[0016] In the present application, the sealing unit is further included to seal the liquid outlets at the lower ends of the liquid storage cylinders after dropping, so as to prevent the reagents from being contaminated or the performance of the reagents from being changed.

[0017] In the present application, the quantitative dropping mechanism is further included to control the use amount of each reagent in each detection, so as to effectively avoid the waste of reagents. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0019] Figure 1 It is a schematic diagram of the overall structure of the present application.

[0020] Figure 2 It isFigure 1 Figure 2 is a schematic view of the second mounting plate structure;

[0021] Figure 3 Figure 1 is a schematic view of the overall structure in a top view; Figure 1 Figure 2 is a schematic view of the overall structure in a bottom view;

[0022] Figure 4 Figure 1 is a schematic view of the overall structure in a top view; Figure 3 Figure 2 is a schematic view of the overall structure in a bottom view;

[0023] Figure 5 Figure 1 is a schematic view of the overall structure in a top view; Figure 1 Figure 2 is a schematic view of the overall structure in a bottom view

[0024] In the figure: 1, bottom plate; 2, limiting plate; 3, first mounting plate; 4, liquid storage cylinder; 5, second mounting plate; 6, manual screw rod; 7, extrusion rod; 8, elastic piston; 9, rotating rod; 10, connecting rod; 11, carrier plate; 12, elastic sealing gasket; 13, U-shaped rod; 14, hard blocking block; 15, taking opening; 16, soft blocking block. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only 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 of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0026] Embodiment: Referring to Figures 1-2 Figure 1 is a schematic view of the overall structure in a top view; Figure 2 is a schematic view of the overall structure in a bottom view; Figure 3 is a schematic view of the sealing unit structure; Figure 4 is a schematic view of the U-shaped rod structure; and Figure 5 is a schematic view of the chemical corrosion resistance detection equipment for thermosetting powder coating.

[0027] The lower end of the manual screw rod 6 is rotationally connected to the upper end of the first mounting plate 3, the first mounting plate 3 is fixedly installed above the bottom plate 1 through an L-shaped rod, the lower end of the second mounting plate 5 is provided with extrusion rods 7 consistent in number with the liquid storage cylinders 4, and the lower ends of the extrusion rods 7 are located in the inner cavities of the corresponding liquid storage cylinders 4. The lower end of each extrusion rod 7 is installed with an elastic piston 8.

[0028] The lower end of the liquid storage cylinder 4 is provided with a tapered structure, the upper and lower ends of the liquid storage cylinder 4 are both provided with openings, and the inner cavity of the liquid storage cylinder 4 is provided with a taper.

[0029] In use, the detection plate with coating is placed on the base plate 1, the face with coating faces up, the detection plate is limited by the front end of the detection plate and the limiting plate 2, after the detection plate is placed, the manual screw rod 6 is manually rotated slowly, the second mounting plate 5 drives the extrusion rod 7 to move downwards, and then different reagents in the plurality of liquid storage cylinders 4 (each liquid storage cylinder 4 is provided with different detection reagents) are extruded and added dropwise on each part of the detection plate respectively, without adding dropwise one by one, the operation is more convenient and fast.

[0030] As a preferred embodiment in the embodiment, a sealing unit is further included for sealing the liquid outlets at the lower ends of the plurality of liquid storage cylinders 4.

[0031] After the adding dropwise is completed, the sealing unit can seal the liquid outlets at the lower ends of the plurality of liquid storage cylinders 4, so as to prevent the reagents from being contaminated or the performance of the reagents from being changed.

[0032] As a preferred embodiment in the embodiment, as shown in Figure 3 and Figure 4 , the sealing unit includes a plurality of carrier plates 11 with elastic sealing pads 12 at the upper ends, the plurality of carrier plates 11 are connected with the rotating rod 9 through the corresponding connecting rods 10, the rotating rod 9 is rotationally arranged at the bottom of the first mounting plate 3, and the plurality of elastic sealing pads 12 seal the liquid outlets at the lower ends of the corresponding liquid storage cylinders 4.

[0033] The rotating rod 9 can be rotated to rotate the plurality of carrier plates 11 around the axis of the rotating rod 9, so as to realize the sealing or unsealing of the liquid outlets by the elastic sealing pads 12.

[0034] It should be noted that the elastic sealing pads 12 are made of corrosion-resistant rubber material.

[0035] As a preferred embodiment in the embodiment, a quantitative adding dropwise mechanism is further included, which can control the adding dropwise amount of the reagents.

[0036] The use amount of each reagent in each detection can effectively avoid the waste of the reagents.

[0037] As a preferred embodiment in the embodiment, as shown in Figure 1 , Figure 2 and Figure 5 , the quantitative adding dropwise mechanism includes a U-shaped rod 13 fixedly installed at one end of the L-shaped rod, the other end of the U-shaped rod 13 penetrates through the through hole provided on the second mounting plate 5, a plurality of semicircular hard blocking blocks 14 are arranged in a linear type at equal intervals on the U-shaped rod 13, and a semicircular soft blocking block 16 adapted to the hard blocking block 14 is arranged on the inner wall of the through hole.

[0038] When the manual screw 6 is rotated, the second mounting plate 5 moves vertically downward, and the soft block 16 is in contact with the hard block 14 to form extrusion, and after the soft block 16 passes the hard block 14, it is indicated that a certain amount of reagent has been added on the detection plate, and in the process, since there is resistance when the soft block 16 passes the hard block 14, the operator can obviously feel the change of resistance when rotating the manual screw, so as to judge and control the adding amount of reagent.

[0039] As a preferred embodiment in the present embodiment, the bottom of the bottom plate 1 is provided with a taking opening 15.

[0040] After the detection is completed, the detection plate can be taken out from the bottom plate 1 by putting the hand into the taking opening 15, so as to facilitate the discharging operation of the detection plate.

[0041] Finally, it should be noted that: the above only describes the preferred embodiments of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can still be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A thermoset powder coating chemical corrosion resistance testing apparatus, characterized by: The bottom plate (1) is provided with a limiting plate (2), the first mounting plate (3) is provided with a plurality of liquid storage cylinders (4), and the second mounting plate (5) is provided with a manual screw rod (6) which is screwed thereon; The lower end of the manual screw rod (6) is rotatably connected with the upper end of the first mounting plate (3), the first mounting plate (3) is fixedly installed above the bottom plate (1) through an L-shaped rod, the lower end of the second mounting plate (5) is provided with a plurality of extrusion rods (7) which are consistent with the number of the liquid storage cylinders (4), and the lower end of each extrusion rod (7) is located in the inner cavity of the corresponding liquid storage cylinder (4) and is provided with an elastic piston (8). The lower end of the liquid storage cylinder (4) is provided with a tapered structure, the upper and lower ends of the liquid storage cylinder (4) are provided with openings, and the inner cavity of the liquid storage cylinder (4) is provided with a tapered structure.

2. A device for detecting chemical corrosion resistance of a thermosetting powder paint according to claim 1, characterized in that: The sealing unit is further provided, which is used for sealing the liquid outlets at the lower ends of the plurality of liquid storage cylinders (4).

3. A device for detecting chemical resistance of thermosetting powder coatings according to claim 2, characterized in that: The sealing unit comprises a plurality of carrier plates (11) which are provided with elastic sealing pads (12) at the upper ends, a plurality of the carrier plates (11) are connected with a rotating rod (9) through corresponding connecting rods (10), the rotating rod (9) is rotatably arranged at the bottom of the first mounting plate (3), and a plurality of the elastic sealing pads (12) seal the liquid outlets at the lower ends of the corresponding liquid storage cylinders (4).

4. A device for detecting chemical corrosion resistance of thermosetting powder paint according to claim 1, characterized in that: The quantitative dropping mechanism is further provided, which can control the dropping amount of the reagent.

5. A device for detecting chemical resistance of thermosetting powder coatings according to claim 4, characterized in that: The quantitative dropping mechanism comprises a U-shaped rod (13) which is fixedly installed at one end of the L-shaped rod, the other end of the U-shaped rod (13) penetrates through a through hole which is arranged on the second mounting plate (5), a plurality of hard blocking blocks (14) which are in semicircular structure are arranged on the U-shaped rod (13) in a linear type and at equal intervals, and a soft blocking block (16) which is in semicircular structure is arranged on the inner wall of the through hole and is matched with the hard blocking block (14).

6. A device for detecting chemical corrosion resistance of thermosetting powder paint according to claim 1, characterized in that: The bottom of the bottom plate (1) is provided with a taking opening (15).