Graphene-modified chromium-free zinc-aluminum coating dispensing device for bridge steel components

Abstract

The application discloses a graphene modified chromium-free zinc-aluminum coating dispensing device for bridge steel members, and relates to the technical field of mixing equipment.The device comprises a shell, a buckling cover plate arranged above the shell, and a uniform mixing assembly arranged in the shell.A discontinuous filling assembly is arranged on the same vertical line of the auxiliary transfer assembly, and the opening formed on the transfer bin at the top of the auxiliary cavity is not blocked by the inner wall of the stirring bin under the action of the screw, so that the coating in the transfer bin falls into the stirring bin through the opening on the transfer bin to continue mixing with the coating.The small and multiple filling method can uniformly mix the raw materials transferred from the batching bin with the coating in the stirring bin, which is different from the case that the raw materials are directly poured into the stirring bin in the prior art, and the graphene modified chromium-free zinc-aluminum coating meeting the standard can be obtained in a relatively short time.

Description

Technical Field

[0001] This invention relates to the field of mixing equipment technology, specifically to a device for preparing graphene-modified chromium-free zinc-aluminum coatings for bridge steel components. Background Technology

[0002] Bridge steel structures are an indispensable part of my country's transportation infrastructure, including highways, railways, and municipal engineering projects, playing an increasingly important role in long-span bridges such as suspension bridges and cable-stayed bridges. Steel trusses, steel box girders, and steel plate girders are the main forms of bridge steel structures. Due to long-term exposure to complex environments such as the atmosphere, ocean, and acid rain, these steel components suffer from corrosion caused by chloride ions, ultraviolet rays, rainwater, salt spray, and carbon dioxide.

[0003] In the existing technology, the production of chromium-free zinc-aluminum coatings mainly uses raw material preparation equipment to achieve full mixing and preparation of the various raw materials of chromium-free zinc-aluminum coatings. However, the stirring components in the existing technology are prone to creating mixing dead zones during the stirring process. The raw materials located in the mixing dead zones cannot be effectively mixed, which results in poor overall mixing and preparation effect of the various raw materials of chromium-free zinc-aluminum coatings. In addition, the existing technology usually involves pouring a large amount of the prepared raw materials into the mixing chamber. This mixing method has significant drawbacks. To obtain graphene-modified chromium-free zinc-aluminum coatings that meet the standards, it not only increases the mixing time but also results in slightly poorer mixing uniformity.

[0004] Therefore, we proposed a graphene-modified chromium-free zinc-aluminum coating preparation device for bridge steel components to solve the above problems. Summary of the Invention

[0005] In view of this, and in view of the shortcomings of the prior art, the present invention provides a graphene-modified chromium-free zinc-aluminum coating mixing device for bridge steel components that avoids the formation of dead zones during mixing and can mix raw materials evenly in a short time, so as to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a graphene-modified chromium-free zinc-aluminum coating mixing device for bridge steel components, comprising a shell, a snap-fit ​​cover plate above the shell, a uniform mixing component inside the shell, an intermittent dispensing component on the side of the uniform mixing component, and an auxiliary transfer component on the same vertical line as the intermittent dispensing component. The outer shell is provided with a mixing chamber, and an auxiliary cavity is formed between the mixing chamber and the outer shell. The uniform mixing component includes a rotating shaft, and a disturbance blade is provided on the rotating shaft. The disturbance blade has a feed inlet.

[0007] Preferably, a pull bar is slidably connected in the inner cavity of the disturbance leaf, a magnet is fixedly connected to one side of the pull bar, a fixing plate is fixedly connected to the side of the magnet and located inside the disturbance leaf, and a first spring is provided between the fixing plate and the pull bar.

[0008] Preferably, a telescopic rod is provided in the inner cavity of the rotating shaft, an electromagnet is provided on the telescopic rod, a first electrical contact is provided at the top of the telescopic rod, and a second electrical contact is provided above the first electrical contact and located in the rotating shaft.

[0009] Preferably, a screw is provided in the auxiliary cavity, a transfer chamber is threaded onto the screw, and a square chamber body is fixedly connected above the transfer chamber.

[0010] Preferably, a second spring is provided inside the container, and a sloping sealing plate is fixedly connected to one side of the second spring. A through channel is provided on the container.

[0011] Preferably, the snap-fit ​​cover is provided with a feeding bin, the bottom surface of the feeding bin is provided with a push-button switch support rod, and one side of the push-button switch support rod is provided with a discharge port.

[0012] Preferably, a toggle plate is fixedly connected to the bottom end of the rotating shaft, and a transfer hole is provided on the mixing chamber.

[0013] Preferably, a third spring is fixedly connected to the bottom end of the auxiliary cavity, and a U-shaped sealing body is fixedly connected to the third spring, with a circular opening on the U-shaped sealing body.

[0014] Preferably, a transfer chamber is fixedly connected below the transfer chamber.

[0015] Preferably, the height of the mixing chamber is lower than the height of the outer shell.

[0016] Compared with the prior art, the present invention provides a graphene-modified chromium-free zinc-aluminum coating preparation device for bridge steel components, which has the following beneficial effects: 1. When the first spring returns to its original state from compression, it pushes the pull bar away from the rotating shaft. At this time, the paint that was previously drawn into the disturbance blade will be discharged from the feed port. The discharged paint will be mixed with the paint in the mixing chamber again. The entire process of drawing in and discharging paint is carried out during the rotation of the disturbance blade around the rotating shaft. This setting can achieve full mixing and formulation of the raw materials of graphene modified chromium-free zinc-aluminum paint. Unlike the existing stirring components, which are prone to stirring dead corners during the stirring process, this setting can draw the paint located in the stirring dead corner into the disturbance blade to the maximum extent and effectively mix it with the paint in the mixing chamber when discharged. The overall mixing and formulation effect of the paint can be enhanced by the setting of the uniform mixing component. 2. Under the action of the screw, the opening on the transfer chamber at the top of the auxiliary channel will no longer be blocked by the inner wall of the mixing chamber. Therefore, the coating in the transfer chamber will fall into the mixing chamber from the opening on the transfer chamber to continue mixing with the coating. This method of adding small amounts and multiple times can quickly and evenly mix the raw materials transferred from the batching chamber with the coating in the mixing chamber. This is different from the situation in the existing technology where the raw materials are poured into the mixing chamber all at once. It can obtain a standard mixed graphene modified chromium-free zinc-aluminum coating in a relatively short time, and it is also better in terms of uniformity. 3. In this invention, it is known that there are no fewer than two batching bins. The forward and reverse rotation of the screw can indirectly transfer the raw materials in the batching bins to the mixing bins in small amounts and multiple times, and participate in the mixing. That is, by setting up the batching bins, multiple raw materials can be injected into the mixing bins respectively, thereby mixing different raw materials and different proportions of graphene-modified chromium-free zinc-aluminum coatings, providing a basis for producing graphene-modified chromium-free zinc-aluminum coatings with better effects. 4. Driven by the screw, the transfer chamber will move to the top of the auxiliary cavity, just like the transfer chamber. At this time, the opening on the transfer chamber will no longer be blocked by the inner wall of the mixing chamber. The paint in the transfer chamber will then leak out from the transfer chamber and re-enter the mixing chamber from the top. This achieves the transfer of the paint from the bottom of the mixing chamber to the top, where it will participate in the mixing again. That is, based on the uniform mixing component, the degree of paint mixing is further improved by the auxiliary transfer component, making the overall paint preparation effect more outstanding. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the internal structure of the present invention; Figure 2 This is an anatomical diagram of the main structure of the present invention; Figure 3 The following are structural diagrams related to the snap-fit ​​cover and the ingredient hopper in this invention; Figure 4 This is a cross-sectional view of the internal structure of the present invention; Figure 5 For the present invention Figure 4 Enlarged view of the structure of region A in the middle; Figure 6 This is a structural diagram of the magnet, electromagnet, and feed inlet in this invention; Figure 7 The diagram shows the relevant structures of the feed inlet, pull bar, magnet, and electromagnet in this invention. Figure 8 The diagram shows the relevant structures of the actuating plate, transfer hole, third spring, U-shaped sealing body, and circular opening in this invention. Figure 9 The diagram shows the structure of the third spring, the U-shaped sealing body, and the transfer chamber in this invention. Figure 10 This is a cross-sectional view of the main structure of the present invention in its working state; Figure 11 This is a cross-sectional view of the auxiliary transfer component in this invention; Figure 12 For the present invention Figure 11 Enlarged view of the structure of region B in the middle; Figure 13 This is a diagram showing the state when the outer shell and the snap-fit ​​cover are fastened together.

[0018] In the picture: 101. Mixing chamber; 102. Auxiliary cavity; 103. Outer shell; 104. Fastening cover plate; 301. Rotating shaft; 302. Disturbing blade; 303. Feed inlet; 304. Pull-out bar; 305. Magnet; 306. Fixing plate; 307. First spring; 308. Telescopic rod; 309. Electromagnet; 310. First electrical contact; 311. Second electrical contact; 401. Screw; 402. Transfer chamber; 403. Square chamber body; 404. Second spring; 405. Inclined sealing plate; 406. Through channel; 407. Batching chamber; 408. Push-button switch support rod; 409. Discharge port; 501. Actuating plate; 502. Transfer hole; 503. Third spring; 504. U-shaped sealing body; 505. Round opening; 506. Transfer chamber. Detailed Implementation

[0019] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0020] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments.

[0021] Example 1

[0022] Please refer to Figure 1 , Figures 4 to 7As shown, this invention provides a graphene-modified chromium-free zinc-aluminum coating mixing device for bridge steel components, including a uniform mixing component. The uniform mixing component includes a rotating shaft 301, which is mainly used to drive agitator blades 302. The rotating shaft 301 is equipped with agitator blades 302, with three agitator blades 302 per group, and at least two groups are provided. The agitator blades 302 have inlets 303. A pull bar 304 is slidably connected to the inner cavity of the agitator blades 302. A magnet 305 is fixedly connected to one side of the pull bar 304. A fixing plate 306 is fixedly connected to one side of the 05 and inside the disturbance leaf 302. A first spring 307 is provided between the fixing plate 306 and the pull bar 304. A telescopic rod 308 is provided in the inner cavity of the rotating shaft 301. An electromagnet 309 is provided on the telescopic rod 308. There is an electrical connection between the electromagnet 309 and the first electrical contact 310 and the second electrical contact 311. The first electrical contact 310 is provided at the top of the telescopic rod 308. The second electrical contact 311 is provided above the first electrical contact 310 and inside the rotating shaft 301.

[0023] Example 2

[0024] Please refer to Figures 1 to 3 , Figures 8 to 12 As shown, this invention provides a graphene-modified chromium-free zinc-aluminum coating mixing device for bridge steel components, including an intermittent dispensing assembly, a screw 401 disposed in an auxiliary cavity 102, a transfer chamber 402 threadedly connected to the screw 401, a through channel 406 disposed on a square chamber 403 communicating with the transfer chamber 402, an opening provided on the transfer chamber 402 for transferring the ingredients conveyed through the through channel 406 in the batching chamber 407 to the mixing chamber 101, and a square chamber 403 fixedly connected above the transfer chamber 402. A second spring 404 is installed inside the 403. A sloping sealing plate 405 is fixedly connected to one side of the second spring 404. A through channel 406 is opened on the square hopper 403. A batching bin 407 is installed on the snap-on cover plate 104. The batching bin 407 contains the raw materials to be mixed. A push-button switch support rod 408 is installed on the bottom surface of the batching bin 407. A discharge port 409 is installed on one side of the push-button switch support rod 408. A sealing plate is installed on the discharge port 409. There is an electrical connection between the sealing plate and the push-button switch support rod 408.

[0025] Example 3

[0026] Please refer to Figures 1 to 13 As shown, the present invention provides a graphene-modified chromium-free zinc-aluminum coating mixing device for bridge steel components. A snap-fit ​​cover plate 104 is provided above the outer shell 103. The outer shell 103 and the snap-fit ​​cover plate 104 are adapted to each other. The snap-fit ​​cover plate 104 can seal the top of the outer shell 103. A uniform mixing component is provided in the outer shell 103. An intermittent dispensing component is provided on the side of the uniform mixing component. An auxiliary transfer component is provided on the same vertical line as the intermittent dispensing component. A mixing chamber 101 is provided inside the outer shell 103. The mixed coating is stirred in the mixing chamber 101. The height of the mixing chamber 101 is lower than the height of the outer shell 103. This height difference mainly assists the operation of the transfer chamber 402 and the transfer chamber 506. An auxiliary cavity 102 is formed between the mixing chamber 101 and the outer shell 103. The uniform mixing component includes a rotating shaft 301, which is mainly used to drive the agitator blades 302. The rotating shaft 301 is provided with agitator blades 302. The agitator blades 302 are arranged in groups of three, and at least two groups are provided. The agitator blades 302 are provided with inlets 303. The coating in the mixing chamber 101 can enter the agitator blades 302 through the inlets 303. A pull bar 304 is slidably connected in the inner cavity of the agitator blades 302. When the pull bar 304 moves, it will draw the coating in the mixing chamber 101 into the agitator blades 302 through the inlets 303. A magnet 305 is fixedly connected. A fixing plate 306 is fixedly connected to one side of the magnet 305 and located inside the disturbance leaf 302. A first spring 307 is provided between the fixing plate 306 and the pull bar 304. The first spring 307 is mainly used for the reset of the pull bar 304. A telescopic rod 308 is provided in the inner cavity of the rotating shaft 301. The telescopic rod 308 is extended by the controller and returns to its original position after stopping for a few seconds. It is extended again under the action of the controller, and so on. An electromagnet 309 is provided on the telescopic rod 308. There is an electrical connection between the electromagnet 309 and the first electrical contact 310 and the second electrical contact 311. The first electrical contact 310 is provided at the top of the telescopic rod 308. The second electrical contact 311 is provided above the first electrical contact 310 and located in the rotating shaft 301. When the first electrical contact 310 and the second electrical contact 311 come into contact, the electromagnet 309 will be energized and generate magnetism. A screw 401 is installed in the auxiliary cavity 102. The screw 401 is rotated forward and backward by a controller, pausing for a few seconds between rotations. A transfer chamber 402 is threaded onto the screw 401. A through channel 406 on the square chamber 403 is connected to the transfer chamber 402. The transfer chamber 402 has an opening that allows materials conveyed from the batching chamber 407 via the through channel 406 to be transferred to the mixing chamber 101. The square chamber 403 is fixedly connected above the transfer chamber 402. A second spring 404 is installed inside the square chamber 403. One side of the second spring 404 is fixed... A beveled sealing plate 405 is fixedly connected. The beveled sealing plate 405 is mainly used in conjunction with the push-button switch support rod 408. A through channel 406 is opened on the square hopper body 403. The through channel 406 is blocked by the beveled sealing plate 405. A mixing bin 407 is provided on the snap-fit ​​cover plate 104. The mixing bin 407 contains raw materials that need to be mixed. A push-button switch support rod 408 is provided on the bottom surface of the mixing bin 407. A discharge port 409 is provided on one side of the push-button switch support rod 408. A sealing plate is provided on the discharge port 409. There is an electrical connection between the sealing plate and the push-button switch support rod 408. A toggle plate 501 is fixedly connected to the bottom end of the rotating shaft 301. The toggle plate 501 is located at the bottom end of the rotating shaft 301. The rotating toggle plate 501 will push the paint in the mixing chamber 101 through the transfer hole 502 to the transfer chamber 506. The mixing chamber 101 is provided with the transfer hole 502. A third spring 503 is fixedly connected to the bottom end of the auxiliary cavity 102. A U-shaped sealing body 504 is fixedly connected to the third spring 503. The left side of the U-shaped sealing body 504 is lower and the right side is higher. A round opening 505 is opened on its right side. A round opening 505 is opened on the U-shaped sealing body 504. A transfer chamber 506 is fixedly connected below the transfer chamber 402. The transfer chamber 506 is threadedly connected to the screw 401. An opening is provided on the transfer chamber 506.

[0027] The working principle of all the content in Examples 1 to 3 above is as follows: In the initial state: the pull bar 304 is located at the outermost end of the disturbance leaf 302, the first spring 307 is not compressed, the electromagnet 309 and the magnet 305 are not on the same horizontal plane, the transfer chamber 402 and the transfer chamber 506 are located at the bottom of the auxiliary cavity 102, the second spring 404 is not compressed, the through channel 406 is blocked by the inclined sealing plate 405, the push switch support rod 408 is not in contact with the inclined sealing plate 405, the transfer hole 502 is not blocked by the U-shaped sealing body 504, the transfer hole 502 coincides with the round opening 505, and the third spring 503 is compressed.

[0028] Sub-process: The following is the working process of the uniform mixing component: In use, the starting device is equipped with a starter motor, which drives the rotating shaft 301. The rotating shaft 301 agitates and mixes the coating in the mixing chamber 101 during rotation. During this agitation, the telescopic rod 308, located inside the rotating shaft 301, moves upwards along with its electromagnet 309 under the control of the controller. When the movable end of the telescopic rod 308 moves upwards, the first electrical contact 310 at the top of the telescopic rod 308 contacts the second electrical contact 311 located above it. At this time, the electromagnet 309 on the telescopic rod 308 is energized and generates magnetism. At this time, the electromagnet 309 and the magnet 305 in the disturbance blade 302 are on the same horizontal plane. Due to their magnetic attraction, the magnet 305, along with the fixedly connected pull bar 304, moves closer to the electromagnet 309. As the pull bar 304 approaches the electromagnet 309, the coating material in the mixing chamber 101 is drawn into the disturbance blade 302 through the feed inlet 303. At this time, the first spring 307 is compressed. Furthermore, under the control of the controller, the telescopic rod 308 moves downwards with the electromagnet 309 within a set time. The first electrical contact 310 at the top of 308 is no longer in contact with the second electrical contact 311. The electromagnet 309 is no longer on the same horizontal plane as the magnet 305 and no longer has magnetism. At this time, the first spring 307, which was originally compressed on the fixed plate 306, will recover from its compressed state. During the recovery, the first spring 307 will push the pull bar 304 to move away from the rotating shaft 301. At this time, the paint that was originally drawn into the disturbance blade 302 will be discharged from the feed port 303. The discharged paint will be mixed with the paint in the mixing chamber 101 again. Furthermore, the entire process of drawing in and discharging the coating is carried out during the rotation of the disturbance blade 302 around the shaft 301. This setting can achieve full mixing and preparation of the raw materials of the graphene-modified chromium-free zinc-aluminum coating. Unlike the existing stirring components, which are prone to dead zones during stirring, this setting can draw the coating located in the dead zone into the disturbance blade 302 to the maximum extent and effectively mix it with the coating in the mixing chamber 101 when it is discharged. In other words, the overall mixing and preparation effect of the coating can be enhanced by the setting of the uniform mixing component. Please refer to the above work process. Figure 1 , Figures 4 to 7 .

[0029] The following is the working process of the intermittent refueling component: Furthermore, while the uniform mixing component is working, the screw 401 in the intermittent feeding component also rotates, causing the transfer chamber 402 to move upwards. At this time, the transfer chamber 402 does not contain the raw materials from the mixing chamber 407. As the transfer chamber 402 moves upwards in the auxiliary cavity 102, the square chamber 403 located on the transfer chamber 402 will gradually approach the push-button switch support rod 408 and the discharge port 409 at the bottom of the mixing chamber 407. Further details can be found in [reference needed]. Figure 11 , Figure 12 As the container body 403 gradually approaches the push-button switch support rod 408, and the inclined sealing plate 405 blocking the passage channel 406 in the container body 403 contacts the push-button switch support rod 408, the inclined sealing plate 405 will move to the left under the action of its own inclined surface and the push-button switch support rod 408. At this time, the second spring 404 is compressed, and the inclined sealing plate 405 gradually releases the blockage of the passage channel 406 as it moves. During this process, the push-button switch on the push-button switch support rod 408 is pressed, and the sealing plate that is electrically connected to the push-button switch support rod 408 and is used to block the discharge port 409 no longer blocks the discharge port 409. Since the batching bin 407 is connected to the discharge port 409, and the passage channel 406 is connected to the transfer bin 402, the raw materials in the batching bin 407 will then pass through the discharge port 409 and the passage channel 406. 06 and finally enter the transfer chamber 402. Since the height of the mixing chamber 101 is lower than the height of the outer shell 103, when the inclined sealing plate 405 in the square chamber 403 contacts the push switch support rod 408, the opening on the transfer chamber 402, which moves to the top of the auxiliary cavity 102 under the action of the screw 401, will no longer be blocked by the inner wall of the mixing chamber 101. Therefore, the raw material in the transfer chamber 402 will fall into the mixing chamber 101 from the opening on the transfer chamber 402 and mix with the coating. This method of adding small amounts and multiple times can quickly and evenly mix the raw material transferred from the mixing chamber 407 with the coating in the mixing chamber 101. This is different from the situation in the prior art where the raw material is poured into the mixing chamber 101 all at once. It can obtain a graphene-modified chromium-free zinc-aluminum coating that meets the standard in a relatively short time, and it is also better in terms of uniformity. Furthermore, it is known that there are at least two batching bins 407. The forward and reverse rotation of the screw 401 indirectly affects the transmission bin 402, which adds the raw materials in the batching bins 407 to the mixing bin 101 in small amounts and multiple times and participates in the mixing. That is, by setting up the batching bins 407, multiple raw materials can be injected into the mixing bin 101 respectively, thereby mixing different raw materials and different proportions of graphene-modified chromium-free zinc-aluminum coatings, providing a basis for producing graphene-modified chromium-free zinc-aluminum coatings with better effects. Please refer to the above work process. Figures 1 to 3 , Figures 8 to 12 .

[0030] The following is the working process of the auxiliary transfer component: Furthermore, as the rotating shaft 301, carrying the agitator blade 302, rotates to agitate the coating in the mixing chamber 101, the agitator 501 at the bottom of the rotating shaft 301 also rotates, and during rotation, it pushes the surrounding coating through the overlapping transfer holes 502 and the round opening 505 into the transfer chamber 506. Further, as the transfer chamber 402 is moved upward by the screw 401, the transfer chamber 506, located at the bottom of the transfer chamber 402, also moves upward from the bottom of the auxiliary cavity 102 along with the transfer chamber 402. When the transfer chamber 506 moves upward from the bottom of the auxiliary cavity 102, the U-shaped sealing body 504, which was previously pressed by the transfer chamber 506, is no longer under the pressure of the transfer chamber 506. The third spring 503, which was previously in a compressed state, then moves the U-shaped sealing body 504 upward. The sealing body 504 will block the transfer hole 502 on the mixing chamber 101. At this time, the paint in the mixing chamber 101 will not enter the auxiliary cavity 102. Driven by the screw 401, the transfer chamber 506 will also move to the top of the auxiliary cavity 102 like the transfer chamber 402. At this time, the opening on the transfer chamber 506 will no longer be blocked by the inner wall of the mixing chamber 101. At this time, the paint in the transfer chamber 506 will leak out from the transfer chamber 506 and re-enter the mixing chamber 101 from the top. In this way, the paint at the bottom of the mixing chamber 101 is transferred to the top of the mixing chamber 101 and participates in the mixing again. That is, on the basis of the uniform mixing component, the degree of mixing of the paint is improved again by setting the auxiliary transfer component, making the overall paint preparation effect more outstanding.

[0031] Please refer to the above work process. Figures 8 to 10 .

[0032] Overview: The uniform mixing component effectively prevents the coating from being left unmixed in the mixing dead zone. With the assistance of the auxiliary transfer component, the coating can be transferred from the bottom to the top of the mixing chamber 101, contributing to the uniformity of mixing. In addition, the transfer chamber 402 in the intermittent filling component can effectively add raw materials in the batching chamber 407 in small amounts and multiple times, which can quickly and uniformly prepare the graphene-modified chromium-free zinc-aluminum coating of the required specifications in a short time.

[0033] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0034] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A device for preparing graphene-modified chromium-free zinc-aluminum coatings for bridge steel components, characterized in that: The device includes a housing (103), a snap-fit ​​cover plate (104) on top of the housing (103), a uniform mixing component inside the housing (103), an intermittent dispensing component on the side of the uniform mixing component, and an auxiliary transfer component on the same vertical line as the intermittent dispensing component; a stirring chamber (101) inside the housing (103), and an auxiliary cavity (102) between the stirring chamber (101) and the housing (103); the uniform mixing component includes a rotating shaft (301), a disturbance blade (302) on the rotating shaft (301), and a feed inlet (303) on the disturbance blade (302); A screw (401) is provided in the auxiliary cavity (102), and a transfer chamber (402) is threaded onto the screw (401). A square chamber body (403) is fixedly connected above the transfer chamber (402). A second spring (404) is provided inside the square chamber body (403), and a beveled sealing plate (405) is fixedly connected to one side of the second spring (404). A through channel (406) is provided on the square chamber body (403). The snap-fit ​​cover plate (1) 04) A batching bin (407) is provided on the top. A push-button switch support rod (408) is provided on the bottom surface of the batching bin (407). A discharge port (409) is provided on one side of the push-button switch support rod (408). A through channel (406) provided on the square bin (403) is connected to the transfer bin (402). An opening is provided on the transfer bin (402) so that the batching material conveyed by the through channel (406) in the batching bin (407) can be transferred to the mixing bin (101). The bottom end of the rotating shaft (301) is fixedly connected to a toggle plate (501), and the mixing chamber (101) is provided with a transfer hole (502). A transfer chamber (506) is fixedly connected below the transfer chamber (402). The transfer chamber (506) is threadedly connected to the screw (401). An opening is provided on the transfer chamber (506). The rotating actuating plate (501) will push the paint in the mixing chamber (101) into the transfer chamber (506) through the transfer hole (502). The bottom end of the auxiliary cavity (102) is fixedly connected to a third spring (503), and a U-shaped plug (504) is fixedly connected to the third spring (503). A round opening (505) is provided on the U-shaped plug (504). The height of the mixing chamber (101) is lower than the height of the outer shell (103); With the assistance of the auxiliary transfer component, the coating can be transferred from the bottom to the top of the mixing chamber (101). With the transfer chamber (402) set in the intermittent filling component, the raw materials in the batching chamber (407) can be effectively added in small amounts and multiple times.

2. The apparatus for preparing graphene-modified chromium-free zinc-aluminum coating for bridge steel components according to claim 1, characterized in that: A pull bar (304) is slidably connected in the inner cavity of the disturbance leaf (302). A magnet (305) is fixedly connected to one side of the pull bar (304). A fixing plate (306) is fixedly connected to one side of the magnet (305) and inside the disturbance leaf (302). A first spring (307) is provided between the fixing plate (306) and the pull bar (304).

3. The apparatus for preparing graphene-modified chromium-free zinc-aluminum coating for bridge steel components according to claim 2, characterized in that: A telescopic rod (308) is provided in the inner cavity of the rotating shaft (301), an electromagnet (309) is provided on the telescopic rod (308), a first electrical contact (310) is provided at the top of the telescopic rod (308), and a second electrical contact (311) is provided above the first electrical contact (310) and located in the rotating shaft (301).

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