Anti-corrosion spraying device for copper bolt

By using a servo motor-driven U-shaped plate and rhomboid column structure, combined with elastic sheets and triangular plates for fixation, the problem of uneven coating thickness during copper bolt spraying is solved, achieving uniform spraying and stable fixation of copper bolts, and improving corrosion resistance and wear resistance.

CN224025386UActive Publication Date: 2026-03-24ZHEJIANG BOTE AUTO FASTENER CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-28
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

In the existing technology, the coating thickness of copper bolts is uneven due to the complex thread structure during the spraying process. In particular, the sides and bottom of the threads are easily blocked, which affects the corrosion resistance and wear resistance.

Method used

The U-shaped plate and rhomboid column structure driven by servo motors drive the support plate to rotate and tilt. Combined with elastic sheet and triangular plate for fixation, it ensures uniform spraying on the threaded side, bottom and hexagonal head. Through the coordinated work of multiple servo motors, the bolts are firmly fixed and uniformly sprayed.

Benefits of technology

It achieves uniform coating of copper bolts, avoids the problem of uneven coating thickness, improves corrosion resistance and wear resistance, and adapts to the bolt requirements of different structures.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a copper bolt anti-corrosion spraying device which comprises a spraying box, a spraying gun is fixedly connected to the interior of the spraying box, a protection box is fixedly connected to the interior of the spraying box, a first servo motor is fixedly connected to the interior of the protection box, and a U-shaped plate is fixedly connected to the top of an output shaft of the first servo motor. A circular shaft is rotationally connected to the interior of the U-shaped plate, and a rhombic column is fixedly connected to the top of the circular shaft. The first servo motor drives the U-shaped plate to drive the bearing plate to rotate in a reciprocating mode, so that the copper bolt continuously rotates in the spraying process, the thread shielding problem caused by one-way spraying is avoided, and it is guaranteed that the side face and the bottom of a thread and the lower portion of a hexagonal head can be evenly covered; and a second servo motor adjusts the inclination angle of the bearing plate through a rhombic column and a U-shaped guide plate, the coverage range of the spraying gun is further optimized, and the coating requirements of different bolt structures are met.
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Description

TECHNICAL FIELD

[0001] The utility model relates to spraying technical field especially relates to a copper bolt anticorrosive spraying device. BACKGROUND

[0002] Copper bolt is a fastener made of copper or copper alloy, widely used in industry, construction, machinery manufacturing and other fields. Although copper and its alloy have good electrical conductivity and corrosion resistance, they may still be corroded in certain environments. For example, in chemical plants, marine environments or salt spray environments, copper bolts may be corroded due to contact with acidic, alkaline or salt substances, resulting in uneven surface, rust and other problems, thereby reducing the strength and service life of the bolt, so it needs to be treated by anticorrosive spraying.

[0003] In the prior art, during the spraying process of copper bolts, due to the complex thread structure of the bolts, the thread side and the bottom are easily blocked during one-way spraying, resulting in uneven coating thickness, even local non-coverage, affecting the corrosion or wear resistance performance, and the edge area below the hexagonal head or flange surface may be blocked and have thinner coating, which is easy to corrode or wear after long-term use, therefore we propose a copper bolt anticorrosive spraying device to solve the above problems. SUMMARY

[0004] The utility model discloses a copper bolt anticorrosive spraying device to solve the shortcomings in the prior art.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A copper bolt anticorrosive spraying device, comprising a spraying box, a spraying gun is fixedly connected inside the spraying box, a protective box is fixedly connected inside the spraying box, a first servo motor is fixedly connected inside the protective box, a U-shaped plate is fixedly connected to the top of the output shaft of the first servo motor, a circular shaft is rotatably connected inside the U-shaped plate, a rhombic column is fixedly connected to the top of the circular shaft, a U-shaped guide plate is slidably sleeved on the outer wall of the rhombic column, a supporting plate is fixedly connected to the top of the U-shaped guide plate, a pressing assembly is arranged on the top of the supporting plate, a second servo motor is fixedly connected to the outer wall of the U-shaped plate, and one end of the output shaft of the second servo motor is fixedly connected to the outer wall of the circular shaft.

[0007] Preferably, the pressing assembly comprises a pressing plate, two rectangular plates are fixedly connected to the bottom of the pressing plate, a plurality of elastic sheets are fixedly connected to the outer walls of the two rectangular plates, two strip-shaped grooves are formed in the top of the supporting plate, the inner walls of the two strip-shaped grooves are respectively in extrusion with the outer walls of the plurality of elastic sheets, and a plurality of triangular plates are fixedly connected to the top of the supporting plate and the bottom of the pressing plate.

[0008] Preferably, the top of the protection box is provided with a circular hole, and the inner wall of the circular hole is rotationally connected with the outer wall of the output shaft of the first servo motor.

[0009] Preferably, the bottom of the U-shaped plate is slidingly connected with the top of the protection box.

[0010] Preferably, the outer wall of the supporting plate is fixedly embedded with a wire mesh, and the wire mesh supports the plurality of copper bolts.

[0011] Preferably, the outer wall of the U-shaped plate is provided with a through hole, and the inner wall of the through hole is rotationally connected with the outer wall of the output shaft of the second servo motor.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] The first servo motor drives the U-shaped plate to drive the supporting plate to reciprocatingly rotate, the copper bolt is continuously rotated in the spraying process, the thread shielding problem caused by one-way spraying is avoided, the thread side, bottom and lower part of the hexagonal head can be uniformly covered, the second servo motor adjusts the inclination angle of the supporting plate through the rhombic column and the U-shaped guide plate, the coverage range of the spraying gun is further optimized, the coating requirements of different bolt structures are adapted, the two groups of triangular plates contact the thread groove through the sharp ends, the contact area is reduced (avoiding shielding spraying), the bolt can be effectively fixed, and the bolt is prevented from moving or falling off, the lower pressing plate realizes self-adaptive pressing through the extrusion force of the elastic sheet and the strip-shaped groove, different sizes of copper bolts can be stably fixed, and the copper bolts are convenient to quickly assemble and disassemble. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme of the utility model, the following will be briefly introduced the drawings needed to be used in the specific implementation manner, obviously, the drawings in the following description are only some embodiments of the utility model, and for the ordinary skilled person in the art, other drawings can be obtained according to these drawings without paying creative labor.

[0015] Figure 1 It is a kind of copper bolt anticorrosion spraying device's partial three-dimensional structure schematic view for the utility model proposes;

[0016] Figure 2 It is a kind of copper bolt anticorrosion spraying device's partial three-dimensional structure schematic view for the utility model proposes;

[0017] Figure 3 It is a kind of copper bolt anticorrosion spraying device's partial three-dimensional structure schematic view for the utility model proposes;

[0018] Figure 4The utility model provides a copper bolt anticorrosion spraying device Figure 2 The enlarged structural schematic view of part A in the utility model.

[0019] In the figure: 1, spray box; 2, spray gun; 3, protective box; 4, first servo motor; 5, U-shaped plate; 6, round shaft; 7, rhombic column; 8, U-shaped guide plate; 9, bearing plate; 10, wire mesh; 11, lower pressing plate; 12, rectangular plate; 13, elastic sheet; 14, triangular plate; 15, second servo motor. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0021] As shown in Figures 1-4 , it relates to a copper bolt anticorrosion spraying device, which comprises a spraying box 1, the inside of the spraying box 1 is fixedly connected with a spray gun 2, the inside of the spraying box 1 is fixedly connected with a protective box 3, the inside of the protective box 3 is fixedly connected with a first servo motor 4, a circular hole is formed in the top of the protective box 3, and the inner wall of the circular hole is rotationally connected with the outer wall of the output shaft of the first servo motor 4.

[0022] The top of the output shaft of the first servo motor 4 is fixedly connected with a U-shaped plate 5, the U-shaped plate 5 is driven by the first servo motor 4 to rotate horizontally and reciprocally, the bottom of the U-shaped plate 5 is slidably connected with the top of the protective box 3, the inside of the U-shaped plate 5 is rotationally connected with a round shaft 6, the top of the round shaft 6 is fixedly connected with a rhombic column 7, the outer wall of the rhombic column 7 is slidably sleeved with a U-shaped guide plate 8, a rhombic hole is formed in the bottom of the U-shaped guide plate 8, the rhombic hole is matched with the rhombic column 7 to drive a bearing plate 9 to rotate, meanwhile, the bearing plate 9 is conveniently taken out in the mode of insertion, and the rotation speed of the first servo motor 4 and the second servo motor 15 is slow, so as not to affect the support of the bearing plate 9.

[0023] The top of the U-shaped guide plate 8 is fixedly connected with the bearing plate 9, the outer wall of the bearing plate 9 is fixedly embedded with a wire mesh 10, the outer wall of the U-shaped plate 5 is fixedly connected with the second servo motor 15, a through hole is formed in the outer wall of the U-shaped plate 5, the inner wall of the through hole is rotationally connected with the outer wall of the output shaft of the second servo motor 15, one end of the output shaft of the second servo motor 15 is fixedly connected with the outer wall of the round shaft 6, the outer walls of the output shafts of the first servo motor 4 and the second servo motor 15 are all provided with existing encoders, and the displacement angle of the output shaft is detected through the encoders.

[0024] The top of the supporting plate 9 is provided with a pressing assembly, the pressing assembly comprises a pressing plate 11, the bottom of the pressing plate 11 is fixedly connected with two rectangular plates 12, the outer walls of the two rectangular plates 12 are fixedly connected with a plurality of elastic sheets 13, the elastic sheets 13 are in arc-shaped structure and are made of rubber material, the friction between the elastic sheets 13 and the strip-shaped grooves is increased, the top of the supporting plate 9 is provided with two strip-shaped grooves, the inner walls of the two strip-shaped grooves are respectively extruded by the outer walls of the plurality of elastic sheets 13, the pressing plate 11 is adaptively pressed by the extrusion force of the elastic sheets 13 and the strip-shaped grooves, so that the copper bolts with different sizes can be stably fixed, the top of the supporting plate 9 and the bottom of the pressing plate 11 are fixedly connected with a plurality of triangular plates 14, the two groups of triangular plates 14 are in contact with the threaded grooves through the sharp ends, so that the contact area is reduced (the spraying is avoided from being shielded) and the bolts are effectively fixed.

[0025] Working principle: in use, a plurality of copper bolts are sequentially placed on the plurality of triangular plates 14 on the supporting plate 9, and then the pressing plate 11 is inserted into the two strip-shaped grooves through the two rectangular plates 12, the plurality of triangular plates 14 at the bottom of the pressing plate 11 are located on the copper bolts through the extrusion force of the plurality of elastic sheets 13 and the inner walls of the two strip-shaped grooves, the upper and lower groups of triangular plates 14 support and limit the copper bolts through the sharp front ends, and the contact area between the triangular plates 14 and the copper bolts is small, the sharp ends of the triangular plates 14 are located at the threaded ends of the copper bolts, the threaded ends are threaded grooves, so that the two groups of triangular plates 14 avoid the movement of the plurality of copper bolts outward, so when the first servo motor 4 reciprocates (the rotation angle is 360 degrees) to drive the U-shaped plate 5 to reciprocate, the U-shaped plate 5 reciprocates the circular shaft 6 and the rhombic column 7 to drive the supporting plate 9 and the pressing plate 11 to reciprocate, the second servo motor 15 drives the circular shaft 6 to rotate vertically, the circular shaft 6 drives the rhombic column 7 to rotate vertically, and the rhombic column 7 drives the U-shaped guide plate 8 to rotate, so as to change the inclination angle of the supporting plate 9 and the pressing plate 11, and the anticorrosive paint is delivered into the spraying gun 2 through the existing pump body to spray the plurality of copper bolts.

[0026] It should be noted that in actual use, an existing technology PLC controller can be added, the PLC controller is electrically connected with the first servo motor 4 and the second servo motor 15, so as to control the overall operation, and the specific data analysis and processing related to the control function are methods that can be realized by those skilled in the art based on common knowledge, which are not within the scope of the present scheme, and the above description only illustrates the beneficial effects that can be achieved by improving the hardware structure based on common knowledge.

[0027] The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolt, rivet and welding in the prior art, the mechanical parts and equipment adopt the conventional type in the prior art, the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail, and the components known by the person skilled in the art are known or obtained by the conventional experimental method.

[0028] Although embodiments of the present application have been shown and described, it is to be understood that the application is not limited to these embodiments. It will thus be appreciated that those skilled in the art will be able to devise numerous alternative arrangements that, although not explicitly described herein, embody the principles of the application and are thus within its spirit and scope. The scope of the application is to be interpreted in the broadest manner consistent with the principles and spirit of the application.

Claims

1. A copper bolt anticorrosion spraying device comprising a spraying box (1), characterized in that, The inside of the spraying box (1) is fixedly connected with a spraying gun (2), the inside of the spraying box (1) is fixedly connected with a protection box (3), the inside of the protection box (3) is fixedly connected with a first servo motor (4), the top of the output shaft of the first servo motor (4) is fixedly connected with a U-shaped plate (5), the inside of the U-shaped plate (5) is rotatably connected with a round shaft (6), the top of the round shaft (6) is fixedly connected with a rhombic column (7), the outer wall of the rhombic column (7) is slidably sleeved with a U-shaped guide plate (8), the top of the U-shaped guide plate (8) is fixedly connected with a supporting plate (9), the top of the supporting plate (9) is provided with a pressing assembly, the outer wall of the U-shaped plate (5) is fixedly connected with a second servo motor (15), and one end of the output shaft of the second servo motor (15) is fixedly connected with the outer wall of the round shaft (6).

2. The copper bolt corrosion prevention spraying device according to claim 1, characterized in that, The pressing assembly comprises a pressing plate (11), the bottom of the pressing plate (11) is fixedly connected with two rectangular plates (12), the outer walls of the two rectangular plates (12) are fixedly connected with a plurality of elastic sheets (13), the top of the supporting plate (9) is provided with two strip-shaped grooves, the inner walls of the two strip-shaped grooves are respectively in extrusion with the outer walls of the plurality of elastic sheets (13), and the top of the supporting plate (9) and the bottom of the pressing plate (11) are fixedly connected with a plurality of triangular plates (14).

3. The copper bolt corrosion prevention spraying device according to claim 1, characterized in that, The top of the protection box (3) is provided with a circular hole, and the inner wall of the circular hole is rotatably connected with the outer wall of the output shaft of the first servo motor (4).

4. The copper bolt corrosion prevention spraying device according to claim 1, characterized in that, The bottom of the U-shaped plate (5) is slidably connected with the top of the protection box (3).

5. The copper bolt corrosion prevention spraying device according to claim 1, characterized in that, The outer wall of the supporting plate (9) is fixedly embedded with a wire mesh (10).

6. The copper bolt corrosion prevention spraying device according to claim 1, characterized in that, The outer wall of the U-shaped plate (5) is provided with a through hole, and the inner wall of the through hole is rotatably connected with the outer wall of the output shaft of the second servo motor (15).