Automatic zinc spraying machine for inner surface of large-diameter steel taper cylinder

By designing an automatic zinc spraying machine, utilizing multi-section cylinders, servo motors, and clamping components, the problems of high labor intensity and uneven zinc spraying in manual zinc spraying operations were solved, achieving full-coverage anti-corrosion treatment of the inner surface of large-diameter steel cones.

CN224494292UActive Publication Date: 2026-07-14NANJING ANTIE OFFSHORE ENG EQUIP CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
NANJING ANTIE OFFSHORE ENG EQUIP CO LTD
Filing Date
2025-07-10
Publication Date
2026-07-14

AI Technical Summary

Technical Problem

Manual zinc spraying is labor-intensive and difficult to meet the needs of large-scale production. The unevenness and consistency of zinc spraying make it difficult to reach all parts of the inner surface of large-diameter steel cones, resulting in incomplete anti-corrosion treatment.

Method used

An automatic zinc spraying machine for the inner surface of a large-diameter steel cone was designed, including a zinc spraying unit, an adjustment unit, and a telescopic assembly. Utilizing a multi-section cylinder, a servo motor, and a clamping assembly, the position and angle of the zinc spraying gun can be adjusted to accommodate steel cones of different diameters.

Benefits of technology

It achieves automation and uniformity in zinc spraying, improves the efficiency and quality of zinc spraying, and ensures full coverage of corrosion protection on the inner surface of large-diameter steel cones.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a big diameter steel conical cylinder inner surface automatic zinc spraying machine relates to zinc spraying machine field, including zinc spraying unit, including zinc spraying machine body, set up in the front of zinc spraying machine body support frame, and set up in the clamping assembly of support frame inner chamber, the utility model zinc spraying machine body is as the core equipment of zinc spraying operation, is responsible for generating and spraying zinc layer to steel conical cylinder inner surface, and many section air cylinders can adjust the use position of support frame through telescopic, thereby control the working position of zinc spraying gun, in order to carry out zinc spraying operation to the different position of steel conical cylinder, servo motor is used for driving support frame rotation, thereby control the working angle of zinc spraying gun, in order to carry out zinc spraying operation to the different position of steel conical cylinder inner wall, telescopic component is used for adjusting the extension length of support frame, thereby further control the working range of zinc spraying gun, to adapt to different diameter steel conical cylinder.
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Description

Technical Field

[0001] This utility model belongs to the field of zinc spraying machines, specifically an automatic zinc spraying machine for the inner surface of a large-diameter steel cone. Background Technology

[0002] A zinc spraying machine is a device used to spray a zinc layer onto a metal surface. It is mainly used for corrosion protection in the industrial field. In industrial production, steel cones are a common structural component. Due to the special nature of their operating environment, the inner surface of steel cones often needs to be treated with anti-corrosion measures to improve their service life and performance. Zinc spraying is an effective anti-corrosion method and is widely used in the anti-corrosion treatment of the inner surface of steel cones.

[0003] When using a zinc spraying machine for zinc spraying, workers usually need to hold the zinc spraying gun to control the spraying position. Manual zinc spraying is not only labor-intensive and difficult to meet the needs of large-scale production, but it is also difficult to ensure the uniformity and consistency of zinc spraying. Problems such as missed spraying and double spraying are prone to occur, affecting the anti-corrosion effect. For large-diameter steel cones, manual zinc spraying is even more difficult to reach all parts of its inner surface, resulting in incomplete anti-corrosion treatment and affecting the final zinc spraying quality.

[0004] In summary, this utility model provides an automatic zinc spraying machine for the inner surface of a large-diameter steel cone to solve the above-mentioned problems. Utility Model Content

[0005] To solve the above-mentioned technical problems, this utility model provides the following technical solution:

[0006] An automatic zinc spraying machine for the inner surface of a large-diameter steel cone includes,

[0007] The zinc spraying unit includes a zinc spraying machine body, a support frame disposed on the front of the zinc spraying machine body, and a clamping assembly disposed in the inner cavity of the support frame;

[0008] The adjustment unit includes a multi-section cylinder disposed on the front of the zinc spraying machine body, a housing disposed on the left side of the multi-section cylinder, a servo motor fixedly connected to the inner cavity of the housing via a base, a support assembly disposed between the multi-section cylinder and the housing, and a telescopic assembly disposed on the left side of the housing.

[0009] Furthermore, in this utility model, the clamping assembly includes a clamping plate disposed in the inner cavity of the support frame, a threaded rod threadedly connected to the right side of the support frame, the left end of the threaded rod being movably connected to the clamping plate via a bearing, and a positioning assembly disposed at the bottom of the clamping plate. The positioning assembly includes a positioning groove formed at the bottom of the inner cavity of the support frame and a positioning block fixedly connected to the bottom of the clamping plate. The bottom of the positioning block extends into the inner cavity of the positioning groove and is slidably connected to its inner cavity.

[0010] Furthermore, in this utility model, the support assembly includes a support ring fixedly connected to both sides of the front of the zinc spraying machine body, a limiting block detachably connected to the upper front of the support ring by bolts, the multi-section cylinder being detachably connected to the inner cavity of the support ring and the limiting block, a fixing ring fixedly connected to the output end surface of the multi-section cylinder, and a fixing plate fixedly connected to the left side of the fixing ring, the fixing plate being detachably connected to the machine housing by bolts.

[0011] Furthermore, in this utility model, the telescopic component includes a support plate disposed on the left side of the chassis, the output shaft of the servo motor passing through to the outside of the chassis and being connected to the support plate in a transmission manner, and a connecting plate fixedly connected to the back of the support frame, the rear end of the connecting plate extending into the inner cavity of the support plate and being slidably connected to its inner cavity.

[0012] Furthermore, in this utility model, the telescopic assembly also includes a threaded post movably connected to the back of the inner cavity of the support plate via a bearing, the front end of the threaded post penetrating into the inner cavity of the connecting plate and threadedly connected to the inner cavity, a support block fixedly connected to the surface of the threaded post, and through slots opened on both sides of the support plate, the surface of the support block extending to the outside of the support plate through the through slots.

[0013] Beneficial effects: This utility model has the following beneficial effects:

[0014] The zinc spraying machine body of this utility model serves as the core equipment for zinc spraying operations. It is responsible for generating and spraying a zinc layer onto the inner surface of a steel cone. The multi-section cylinder can adjust the position of the support frame by extending and retracting, thereby controlling the working position of the zinc spraying gun to perform zinc spraying operations on different positions of the steel cone. The servo motor is used to drive the support frame to rotate, thereby controlling the working angle of the zinc spraying gun to perform zinc spraying operations on different positions of the inner wall of the steel cone. The telescopic component is used to adjust the extension length of the support frame, thereby further controlling the working range of the zinc spraying gun to suit steel cones of different diameters. Attached Figure Description

[0015] Figure 1 This is a side view schematic diagram of the structure of this utility model;

[0016] Figure 2 This is a cross-sectional structural diagram of the chassis of this utility model;

[0017] Figure 3 This is a schematic diagram of the main structure of the support frame of this utility model;

[0018] Figure 4 This is a schematic diagram of the separated structure of the support ring and the limiting block of this utility model;

[0019] Figure 5This is a right-side structural schematic diagram of the fixing piece of this utility model.

[0020] In the picture:

[0021] 1. Zinc spraying unit; 101. Zinc spraying machine body; 102. Support frame; 103. Clamping assembly; 1031. Clamping plate; 1032. Threaded rod; 1033. Positioning assembly; 2. Adjustment unit; 201. Multi-section cylinder; 202. Chassis; 203. Servo motor; 204. Support assembly; 2041. Support ring; 2042. Limit block; 2043. Fixing ring; 2044. Fixing piece; 205. Telescopic assembly; 2051. Support plate; 2052. Connecting plate; 2053. Threaded column; 2054. Support block. Detailed Implementation

[0022] To better understand the technical content of this utility model, specific embodiments are described below in conjunction with the accompanying drawings. Various aspects of this utility model are described in this disclosure with reference to the accompanying drawings, which illustrate numerous illustrative embodiments. The embodiments of this disclosure are not necessarily defined to include all aspects of this utility model. It should be understood that the various concepts and embodiments described above, as well as those described in more detail below, can be implemented in any of many ways, because the concepts and embodiments disclosed in this utility model are not limited to any particular implementation. Furthermore, some aspects of this utility model can be used alone or in any suitable combination with other aspects disclosed in this utility model.

[0023] Example 1

[0024] like Figure 1-5 As shown, this is the first embodiment of the present invention. This embodiment provides an automatic zinc spraying machine for the inner surface of a large-diameter steel cone, comprising:

[0025] The zinc spraying unit 1 includes a zinc spraying machine body 101, a support frame 102 disposed on the front of the zinc spraying machine body 101, and a clamping assembly 103 disposed in the inner cavity of the support frame 102.

[0026] The adjustment unit 2 includes a multi-section cylinder 201 disposed on the front of the zinc spraying machine body 101, a housing 202 disposed on the left side of the multi-section cylinder 201, a servo motor 203 fixedly connected to the inner cavity of the housing 202 via a base, a support component 204 disposed between the multi-section cylinder 201 and the housing 202, and a telescopic component 205 disposed on the left side of the housing 202.

[0027] like Figure 1-5As shown, the zinc spraying machine body 101, as the core equipment for zinc spraying operation, is responsible for generating and spraying a zinc layer onto the inner surface of the steel cone. The support frame 102 provides stable support for the clamping assembly 103, which is used to clamp and fix the zinc spraying gun of the zinc spraying machine body 101, improving the stability of the zinc spraying gun during use. The multi-section cylinder 201 can adjust the working position of the support frame 102 by telescoping, thereby controlling the working position of the zinc spraying gun so as to perform zinc spraying operations on different positions of the steel cone. The housing 202 is used to protect the servo motor 203 from damage. To mitigate external environmental interference, the servo motor 203 drives the support frame 102 to rotate, thereby controlling the working angle of the zinc spray gun to perform zinc spraying operations on different positions of the inner wall of the steel cone. The support assembly 204 connects the zinc spraying machine body 101 and the multi-section cylinder 201, and the multi-section cylinder 201 and the machine housing 202, improving the stability of the connection between the various components and facilitating disassembly and maintenance. The telescopic assembly 205 adjusts the extension length of the support frame 102, thereby further controlling the working range of the zinc spray gun to accommodate steel cones of different diameters.

[0028] Example 2

[0029] Reference Figure 3-5 This is the second embodiment of the present invention, which is based on the previous embodiment.

[0030] In this embodiment, the clamping assembly 103 includes a clamping plate 1031 disposed in the inner cavity of the support frame 102, a threaded rod 1032 threadedly connected to the right side of the support frame 102, the left end of the threaded rod 1032 being movably connected to the clamping plate 1031 via a bearing, and a positioning assembly 1033 disposed at the bottom of the clamping plate 1031. The positioning assembly 1033 includes a positioning groove formed at the bottom of the inner cavity of the support frame 102 and a positioning block fixedly connected to the bottom of the clamping plate 1031. The bottom of the positioning block extends into the inner cavity of the positioning groove and is slidably connected to its inner cavity.

[0031] The support assembly 204 includes a support ring 2041 fixedly connected to both sides of the front of the zinc spraying machine body 101, a limiting block 2042 detachably connected to the upper front of the support ring 2041 by bolts, a multi-section cylinder 201 detachably connected to the inner cavity of the support ring 2041 and the limiting block 2042, a fixing ring 2043 fixedly connected to the output end surface of the multi-section cylinder 201, and a fixing plate 2044 fixedly connected to the left side of the fixing ring 2043. The fixing plate 2044 is detachably connected to the machine housing 202 by bolts.

[0032] like Figure 3-5As shown, the clamping plate 1031 clamps or releases the zinc spray gun by moving, ensuring its stability during the zinc spraying process. The threaded rod 1032 can drive the clamping plate 1031 to move by rotating. The positioning component 1033, through the cooperation of the positioning groove and the positioning block, can ensure the positioning accuracy of the clamping plate 1031 during the movement and prevent deviation. The support ring 2041 and the limit block 2042 cooperate to provide stable support for the multi-section cylinder 201. The fixing ring 2043 and the fixing plate 2044 cooperate to ensure the connection between the multi-section cylinder 201 and the housing 202 is firm. At the same time, the detachable design also facilitates its disassembly and maintenance.

[0033] Example 3

[0034] Reference Figure 2 and 3 This is the third embodiment of the present invention, which is based on the first two embodiments.

[0035] In this embodiment, the telescopic component 205 includes a support plate 2051 disposed on the left side of the chassis 202, the output shaft of the servo motor 203 passing through the outside of the chassis 202 and being connected to the support plate 2051 in a transmission manner, and a connecting plate 2052 fixedly connected to the back of the support frame 102. The rear end of the connecting plate 2052 extends into the inner cavity of the support plate 2051 and is slidably connected to its inner cavity.

[0036] The telescopic assembly 205 also includes a threaded post 2053 movably connected to the back of the inner cavity of the support plate 2051 via a bearing. The front end of the threaded post 2053 penetrates into the inner cavity of the connecting plate 2052 and is threadedly connected to the inner cavity. A support block 2054 is fixedly connected to the surface of the threaded post 2053. A through groove is opened on both sides of the support plate 2051. The surface of the support block 2054 extends to the outside of the support plate 2051 through the through groove.

[0037] like Figure 2 and 3 As shown, the support plate 2051 serves as the transmission component of the output shaft of the servo motor 203, transmitting power to the connecting plate 2052. The connecting plate 2052 is connected to the support frame 102 and can adjust the position of the zinc spray gun by sliding. The threaded column 2053 and the support block 2054 achieve precise telescopic adjustment through threaded connection, ensuring that the zinc spray gun can be accurately positioned in the required position.

[0038] In operation, the zinc spraying machine mainly consists of a frame, a zinc spraying mechanism, an electro-hydraulic control system, and a flue gas recovery system. It utilizes an electric arc burning between two continuously fed metal wires as a heat source to melt the metal wires. Then, a high-speed airflow atomizes the molten metal into particles and accelerates these particles, causing them to deposit rapidly onto the workpiece surface, forming a dense zinc coating. When zinc spraying is required inside a steel cone, the zinc spraying gun of the machine body 101 is first moved and placed into the inner cavity of the support frame 102. The position of the clamping plate 1031 is adjusted by rotating the threaded rod 1032, allowing the clamping plate 1031 to clamp and fix the zinc spraying gun. After fixing, the flow... The rotating support block 2054 drives the threaded column 2053 to rotate. When the threaded column 2053 rotates, it can adjust the extension length of the support frame 102, thereby adjusting the distance between the zinc spray gun and the inner wall of the steel cone. After adjustment, the zinc spray machine body 101 can be started to spray zinc on the inner wall of the steel cone. During operation, the multi-section cylinder 201 can be started by the external controller to extend and retract its output end to adjust the working distance of the zinc spray gun. The servo motor 203 can also be started to rotate its output shaft to drive the zinc spray gun to rotate, so as to spray the inner wall of the steel cone in all directions. The output shaft of the servo motor 203 reciprocates, but the rotation should not exceed two revolutions to avoid the zinc spray gun cable from getting tangled.

[0039] All standard parts used in this application can be purchased from the market, and can be customized according to the description and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts and equipment adopt conventional models in the prior art. The control method is automatic control through a controller. The control circuit of the controller can be implemented by simple programming by those skilled in the art and is common knowledge in the field. Since this application is mainly used to protect mechanical devices, the control method and circuit connection will not be explained in detail in this application.

[0040] Although the present invention has been disclosed above with reference to preferred embodiments, it is not intended to limit the present invention. Those skilled in the art to which this invention pertains can make various modifications and refinements without departing from the spirit and scope of the present invention. Therefore, the scope of protection of this invention shall be determined by the claims.

Claims

1. An automatic zinc spraying machine for the inner surface of a large-diameter steel cone, characterized in that: include, The zinc spraying unit (1) includes a zinc spraying machine body (101), a support frame (102) disposed on the front of the zinc spraying machine body (101), and a clamping assembly (103) disposed in the inner cavity of the support frame (102). The adjustment unit (2) includes a multi-section cylinder (201) disposed on the front of the zinc spraying machine body (101), a housing (202) disposed on the left side of the multi-section cylinder (201), a servo motor (203) fixedly connected to the inner cavity of the housing (202) via a base, a support component (204) disposed between the multi-section cylinder (201) and the housing (202), and a telescopic component (205) disposed on the left side of the housing (202).

2. The automatic zinc spraying machine for the inner surface of a large-diameter steel cone as described in claim 1, characterized in that: The clamping assembly (103) includes a clamping plate (1031) disposed in the inner cavity of the support frame (102), a threaded rod (1032) threadedly connected to the right side of the support frame (102), the left end of the threaded rod (1032) being movably connected to the clamping plate (1031) via a bearing, and a positioning assembly (1033) disposed at the bottom of the clamping plate (1031). The positioning assembly (1033) includes a positioning groove formed at the bottom of the inner cavity of the support frame (102) and a positioning block fixedly connected to the bottom of the clamping plate (1031). The bottom of the positioning block extends into the inner cavity of the positioning groove and is slidably connected to its inner cavity.

3. The automatic zinc spraying machine for the inner surface of a large-diameter steel cone as described in claim 1, characterized in that: The support assembly (204) includes a support ring (2041) fixedly connected to both sides of the front of the zinc spraying machine body (101), a limiting block (2042) detachably connected to the upper front of the support ring (2041) by bolts, the multi-section cylinder (201) being detachably connected to the inner cavity of the support ring (2041) and the limiting block (2042), a fixing ring (2043) fixedly connected to the output end surface of the multi-section cylinder (201), and a fixing piece (2044) fixedly connected to the left side of the fixing ring (2043), the fixing piece (2044) being detachably connected to the machine housing (202) by bolts.

4. The automatic zinc spraying machine for the inner surface of a large-diameter steel cone as described in claim 1, characterized in that: The telescopic assembly (205) includes a support plate (2051) disposed on the left side of the chassis (202), the output shaft of the servo motor (203) passing through the outside of the chassis (202) and being connected to the support plate (2051) in a transmission manner, and a connecting plate (2052) fixedly connected to the back of the support frame (102), the rear end of the connecting plate (2052) extending into the inner cavity of the support plate (2051) and being slidably connected to its inner cavity.

5. The automatic zinc spraying machine for the inner surface of a large-diameter steel cone as described in claim 4, characterized in that: The telescopic assembly (205) further includes a threaded post (2053) movably connected to the back of the inner cavity of the support plate (2051) via a bearing. The front end of the threaded post (2053) penetrates into the inner cavity of the connecting plate (2052) and is threadedly connected to the inner cavity. A support block (2054) is fixedly connected to the surface of the threaded post (2053). A through groove is opened on both sides of the support plate (2051). The surface of the support block (2054) extends to the outside of the support plate (2051) through the through groove.