Metal part spraying fixing tool

By using an internal support and rotation mechanism to limit and fix tubular metal parts and perform rotational spraying, the problem of incomplete coating in existing technologies is solved, achieving all-round spraying and efficient processing.

CN224308690UActive Publication Date: 2026-06-02SHANGHAI GESI INFORMATION TECH CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANGHAI GESI INFORMATION TECH CO LTD
Filing Date
2025-04-28
Publication Date
2026-06-02

AI Technical Summary

Technical Problem

In existing technologies, when spraying tubular metal parts, the area where the pressure plate contacts the metal part cannot be sprayed, resulting in an incomplete coating that requires secondary spraying, increasing the workflow and affecting the processing quality.

Method used

An internal support mechanism is used to support the inner wall of the tubular metal part, and a rotating mechanism is used to rotate the metal part. The fixed position is adjusted by an adjustment mechanism to achieve all-round spraying and adapt to metal parts of different lengths.

Benefits of technology

It eliminates the need for contact with the outer wall of tubular metal parts for fixation, enabling all-around spraying, reducing operational steps, lowering processing costs, and improving spraying quality and efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application provides a metal piece spraying fixing tool, which comprises a workbench, a controller and a fixed block fixedly arranged on the top of the workbench, a moving plate symmetrically and slidably connected to the top of the fixed block, a supporting block fixedly connected to the top of the moving plate, a rotating block rotatably connected to the inside of the supporting block, a connecting column fixedly connected to one side of the rotating block and used for fixing the two ends of a tubular metal piece, an adjusting mechanism connected with the fixed block and used for adjusting the distance between the two connecting columns, an inner supporting mechanism installed in the connecting column and used for supporting the inner wall of the tubular metal piece, and a rotating mechanism installed in the supporting block and used for driving the tubular metal piece to rotate. The application drives the tubular metal piece to rotate by setting the ejection of the inner supporting mechanism and the rotation of the rotating mechanism, supports the inner wall of the tubular metal piece, realizes limiting and fixing, does not need to contact the outer wall of the tubular metal piece, and improves the spraying efficiency and cost.
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Description

Technical Field

[0001] This application relates to the field of pipe coating technology, and more specifically to a metal parts coating fixture. Background Technology

[0002] After the metal parts are manufactured, they need to be treated with rust prevention and corrosion prevention. Currently, the two methods for rust prevention and corrosion prevention of metal parts are immersion and spraying. Spraying can effectively protect the metal plate under the coating. When spraying, the metal parts need to be fixed with a bracket to facilitate the spraying of the workpiece surface.

[0003] Existing technologies automate the flipping of metal parts, thereby reducing the number of steps in the spraying process and improving the quality of the finished product. However, in actual use, when spraying some tubular metal parts, the tubular metal parts are relatively round, so both ends need to be clamped and fixed to prevent them from loosening and falling off during the spraying process. However, this will cause the area in contact between the pressure plate and the metal part to be unable to be sprayed, resulting in an incomplete coating. Therefore, a second spraying is required, which not only increases the workflow but also affects the processing quality of the metal parts.

[0004] Therefore, a new solution for fixing pipe fittings by spraying is needed. Utility Model Content

[0005] In view of this, the embodiments of this specification provide a metal part spraying fixture, which solves the technical problem that when spraying some tubular metal parts, the area in contact between the pressure plate and the metal part cannot be sprayed, resulting in an incomplete coating, requiring secondary spraying, which leads to inconvenient spraying, low efficiency, uneven coating, high processing cost, and poor spraying quality.

[0006] The embodiments in this specification provide the following technical solutions:

[0007] This specification provides an embodiment of a metal part spraying fixture, including:

[0008] Workbench 1, with controller 2 fixedly connected to its top;

[0009] Fixing block 3 is fixedly connected to the top of the workbench 1;

[0010] The movable plate 4 is symmetrically slidably connected to the top of the fixed block 3;

[0011] Support block 5 is fixedly connected to the top of the movable plate 4;

[0012] Rotating block 6 is rotatably connected inside the support block 5;

[0013] The connecting column 7 is fixedly connected to one side of the rotating block 6 and is used to fix both ends of the tubular metal part;

[0014] An adjustment mechanism, connected to the fixed block 3, is used to drive the moving plate 4 to slide along the fixed block 3, so as to adjust the distance between the two connecting columns 7 by adjusting at least one moving plate closer to or further away;

[0015] An internal support mechanism is installed inside the connecting column 7 to provide abutment support to the inner wall of the tubular metal part, thereby limiting and fixing the tubular metal part.

[0016] A rotating mechanism, installed inside the support block 5, is used to drive the rotating block 6 to rotate, thereby driving the tubular metal part to rotate and achieving uniform spraying on the outer surface of the tubular metal part.

[0017] Compared with the prior art, the beneficial effects that at least one technical solution adopted in the embodiments of this specification can achieve include at least:

[0018] This application utilizes the ejection of the internal support mechanism and the rotation of the rotating mechanism to drive the tubular metal part to rotate, providing contact support against the inner wall of the tubular metal part and achieving limiting and fixing. During the spraying process, there is no need to contact and fix the tubular metal part to the outer wall, allowing for all-around spraying of the metal part surface without secondary operations, thus greatly reducing the operation process and lowering processing costs. Furthermore, by adjusting the operation of the mechanism, at least one moving plate can be moved closer together until the other end of the tubular metal part is fitted onto another connecting column, achieving flexible adjustment of the fixed position of the metal part, thereby accommodating metal parts of different lengths and effectively improving the practicality and convenience of the tooling. Attached Figure Description

[0019] To more clearly illustrate the technical solutions of the embodiments of this application, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 This is a three-dimensional structural diagram of the metal part spraying fixture in this application;

[0021] Figure 2 This is a three-dimensional structural diagram of the adjustment mechanism in this application;

[0022] Figure 3 This is a three-dimensional structural diagram of the internal support mechanism in this application;

[0023] Figure 4 This is a schematic diagram of the connection structure of the rotating mechanism in this application;

[0024] Figure 5 This is a schematic diagram of the internal structure of the rotating mechanism in this application.

[0025] Explanation of reference numerals in the attached figures:

[0026] 1. Workbench; 2. Controller; 3. Fixed block; 4. Moving plate; 5. Support block; 6. Rotating block; 7. Connecting column; 8. Double-acting lead screw one; 9. Motor one; 10. Connecting block one; 11. Slide rail; 12. Connecting block two; 13. Double-acting lead screw two; 14. Handle; 15. Threaded sleeve; 16. Connecting plate; 17. Hinge block; 18. Support plate; 19. Fixed column; 20. Inner support plate; 21. Through slot; 22. Cavity; 23. Worm gear; 24. Worm; 25. Motor two; 26. Guide block; 27. Guide slot. Detailed Implementation

[0027] The embodiments of this application will now be described in detail with reference to the accompanying drawings.

[0028] The following specific examples illustrate the implementation of this application. Those skilled in the art can easily understand other advantages and effects of this application from the content disclosed in this specification. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of them. This application can also be implemented or applied through other different specific embodiments, and the details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of this application. It should be noted that, in the absence of conflict, the following embodiments and features in the embodiments can be combined with each other. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0029] It should be noted that various aspects of embodiments within the scope of the appended claims are described below. It will be apparent that the aspects described herein can be embodied in a wide variety of forms, and any particular structure and / or function described herein is merely illustrative. Based on this application, those skilled in the art will understand that one aspect described herein can be implemented independently of any other aspect, and two or more of these aspects can be combined in various ways. For example, any number and aspects set forth herein can be used to implement the device and / or practice the method. Additionally, this device and / or method can be implemented using structures and / or functionalities other than one or more of the aspects set forth herein.

[0030] It should also be noted that the illustrations provided in the following embodiments are only schematic representations of the basic concept of this application. The drawings only show the components related to this application and are not drawn according to the actual number, shape and size of the components in the actual implementation. In the actual implementation, the form, quantity and proportion of each component can be arbitrarily changed, and the layout of the components may also be more complex.

[0031] Additionally, specific details are provided in the following description to facilitate a thorough understanding of the examples. However, those skilled in the art will understand that practice can be carried out without these specific details.

[0032] After the metal parts are manufactured, they need to be treated with rust prevention and corrosion prevention. Currently, the two methods for rust prevention and corrosion prevention of metal parts are immersion and spraying. Spraying can effectively protect the metal plate under the coating. When spraying, the metal parts need to be fixed with a bracket to facilitate the spraying of the workpiece surface.

[0033] The existing Chinese patent (authorization announcement number: CN221334839U) mentions a spraying fixture for easily flipping metal parts, which includes a worktable. Two support columns are fixedly connected to the surface of the worktable. Each support column has an adjustment device on its surface, including a sliding frame that is slidably connected to the surface of the support columns. Two support rods are rotatably connected to the lower surface of the sliding frame, and a driving device is provided at the lower end of each support rod. Fixtures are fixedly connected to the surfaces of both sliding frames. A motor B is mounted on one surface of each fixture, and an electric push rod is mounted on the other. A limit device is fixedly connected to the output end of motor B, and a limit device is rotatably connected to the output end of the electric push rod. This invention solves the problem of traditional spraying fixtures requiring manual flipping of the workpiece, which easily leads to uneven coating and poor quality of the finished product, affecting subsequent sales.

[0034] The aforementioned patent document describes an automated process for flipping metal parts, which reduces the number of steps in the spraying process and improves the quality of the finished product. However, in actual use, when spraying some tubular metal parts, the parts are relatively rounded, so both ends need to be clamped and fixed to prevent them from loosening and falling off during the spraying process. This results in the area where the pressure plate contacts the metal part being unable to be sprayed, leading to an incomplete coating and requiring a second spraying. This not only increases the workflow but also affects the quality of the metal parts.

[0035] Based on this, this specification proposes a novel solution for fixing a metal part during spraying, applicable to the field of metal part spraying technology, particularly for spraying tubular metal parts. This application utilizes the ejection of an internal support mechanism and the rotation of a rotating mechanism to rotate the tubular metal part, providing contact support to the inner wall of the tubular metal part and achieving limiting fixation. During the spraying process, there is no need to contact the outer wall of the tubular metal part, allowing for all-around spraying of the metal part surface without secondary operations, thus significantly reducing the operational steps and lowering processing costs. Furthermore, by adjusting the operation of the mechanism, at least one movable plate can be moved closer together until the other end of the tubular metal part is fitted onto another connecting column, achieving flexible adjustment of the fixing position of the metal part, thereby adapting to metal parts of different lengths and effectively improving the practicality and convenience of the fixture.

[0036] The technical solutions provided by the various embodiments of this application are described below with reference to the accompanying drawings.

[0037] like Figures 1 to 5 This application provides a metal part spraying fixture, comprising: a workbench 1 with a controller 2 fixedly connected to its top; a fixing block 3 fixedly connected to the top of the workbench 1; a movable plate 4 symmetrically slidably connected to the top of the fixing block 3; a support block 5 fixedly connected to the top of the movable plate 4; a rotating block 6 rotatably connected inside the support block 5; a connecting column 7 fixedly connected to one side of the rotating block 6 for fixing both ends of a tubular metal part; an adjustment mechanism connected to the fixing block 3 for driving the movable plate 4 to slide along the fixing block 3, thereby adjusting the distance between the two connecting columns 7 by adjusting at least one movable plate 4 to move closer to or further away from the fixed block 3; an inner support mechanism installed inside the connecting column 7 for abutting support against the inner wall of the tubular metal part to achieve limiting and fixing of the tubular metal part; and a rotation mechanism installed inside the support block 5 for driving the rotating block 6 to rotate, thereby driving the tubular metal part to rotate, achieving uniform spraying of the outer surface of the tubular metal part. The connecting column 7 is used to fix both ends of the tubular metal part, and the internal support mechanism is used to limit and fix the metal part. The rotating block 6 is connected to the connecting column 7, and the rotating mechanism is used to rotate the tubular metal part to ensure uniform spraying.

[0038] The internal support mechanism includes: a double-acting lead screw 13, rotatably connected to the inside of the connecting column 7, with one end without a threaded groove and the other end having a threaded groove; a threaded sleeve 15, symmetrically fixedly connected to the double-acting lead screw 13; a connecting plate 16, uniformly fixedly connected to the outer wall of the threaded sleeve 15; a hinge block 17, hinged between adjacent connecting plates 16; a support plate 18, one end of which is hinged to the end of the hinge block 17 away from the connecting plate 16; a fixed column 19, fixedly connected to the other end of the support plate 18; and an inner support plate 20, fixedly connected to the other end of the fixed column 19, whose shape and size are consistent with the through groove 21 on the outer wall of the connecting column 7, and which can be slidably connected within the through groove 21.

[0039] In this mechanism, the rotation of the bidirectional lead screw 13 in the inner support mechanism enables the inner support plate 20 to abut against the inner wall of the tubular metal part, thereby limiting and fixing the metal part. The threaded sleeve 15 cooperates with the bidirectional lead screw 13, driving the connecting plate 16 to move. The connecting plate 16 connects the threaded sleeve 15 and the hinge block 17, transmitting motion. The hinge block 17 connects the connecting plate 16 and the support plate 18, enabling angle changes, such as gradually deflecting from an inclined state to a vertical state. The support plate 18 connects the hinge block 17 and the fixed column 19, transmitting motion. The fixed column 19 connects the support plate 18 and the inner support plate 20, transmitting motion. The through slot 21 provides sliding space for the inner support plate 20, ensuring that the inner support plate 20 can be smoothly pushed out or retracted.

[0040] In some embodiments, a handle 14 is designed to manually operate the inner support mechanism to fix the tubular metal part.

[0041] like Figure 3 As shown, handle 14 is fixedly connected to the end of the bidirectional lead screw 13 that is not provided with a threaded groove, and is used for manual operation.

[0042] The rotating mechanism includes a cavity 22, which is formed inside the support block 5.

[0043] The worm gear 23 is fixedly connected to the outer wall of the rotating block 6 and rotatably connected to the cavity 22;

[0044] A worm gear 24 is rotatably connected inside the cavity 22 and meshes with the worm wheel 23. A second motor 25 is fixedly connected to one side of the support block 5, and its output end is fixedly connected to one end of the worm gear 24. The second motor 25 is electrically connected to the controller 2 via a circuit. The meshing of the worm wheel 23 and the worm gear 24 enables the rotation of the rotating block 6. The worm gear 24, driven by the second motor 25, drives the worm wheel 23 and the rotating block 6 to rotate.

[0045] The adjustment mechanism includes: a bidirectional lead screw 8, one end of which is rotatably connected to the inside of the fixed block 3; a motor 9, which is fixedly connected to the inside of the fixed block 3, and its output end is fixedly connected to the other end of the bidirectional lead screw 8; the motor 9 is electrically connected to the controller 2 through a circuit; and a connecting block 10, which is fixedly connected to the bottom of one end of the moving plate 4 and threadedly connected to the bidirectional lead screw 8.

[0046] The adjustment mechanism further includes a slide rail 11, which is fixedly connected to the top of the worktable 1;

[0047] Connecting block 2 12 is fixedly connected to the bottom of one end of the movable plate 4, away from connecting block 1 10, and slidably connected to the slide rail 11. The slide rail 11 guides the smooth movement of the movable plate 4, ensuring smoother operation of the adjustment mechanism. Connecting block 2 12 connects the movable plate 4 and the slide rail 11, ensuring the smooth movement of the movable plate 4.

[0048] In some embodiments, such as Figure 4 and Figure 5 As shown, guide blocks 26 are symmetrically fixedly connected inside the support block 5, and guide grooves 27 are symmetrically formed on the outer wall of the rotating block 6. There is a sliding connection between the guide blocks 26 and the guide grooves 27, which are used to guide and limit the rotation of the rotating block 6. The guide blocks 26 and the guide grooves 27 cooperate to ensure the smooth rotation of the rotating block 6.

[0049] like Figure 3 As shown, a plurality of through slots 21 are evenly provided on the outer wall of the connecting column 7, and the number of inner support plates 20 is adapted to the number of through slots 21.

[0050] like Figure 2 , Figure 4 and Figure 5 As shown, the controller 2 is electrically connected to motor 9 and motor 25, and is used to control the start and stop of motor 9 and motor 25, so as to control the movement of the moving plate 4 and the rotation speed and direction of the rotating block 6.

[0051] In some embodiments, the outer diameter of the connecting post 7 is adapted to the inner diameter of the tubular metal part. The implementation principle of a metal part spraying fixing fixture provided in this application embodiment is as follows: In use, firstly, the tubular metal part to be processed is taken out, and one end is fitted onto one of the connecting posts 7. Then, the controller 2 starts the motor 9 to drive the bidirectional lead screw 8 to rotate. At this time, the rotation of the bidirectional lead screw 8 can drive the two connecting blocks 10 to move closer to each other inside the fixing block 3, thereby driving at least one moving plate 4 to move closer to each other. Guided by the slide rail 11 and the connecting block 12, the movement of at least one moving plate 4 will be more stable and smooth. The movement of at least one moving plate 4 will drive the two support blocks 5 and the connecting post 7 to move closer together until the other end of the tubular metal part is fitted onto another connecting post 7. This allows for flexible adjustment of the fixing position of the tubular metal part, adapting to metal parts of different lengths, and effectively improving the overall practicality and convenience of the fixture.

[0052] After both ends of the tubular metal part are fitted onto the two connecting posts 7, the handle 14 can be manually rotated to drive the bidirectional lead screw 13 to rotate. At this time, the rotation of the bidirectional lead screw 13 will drive the two threaded sleeves 15 to gradually approach each other on the bidirectional lead screw 13. As the two threaded sleeves 15 gradually approach each other, multiple connecting plates 16 will approach each other synchronously, so that the angle of multiple hinge blocks 17 will gradually deflect from the inclined state to the vertical state. Therefore, the rotation of multiple hinge blocks 17 will drive multiple support plates 18, fixed posts 19 and inner support plates 20 to be pushed out from inside the through groove 21 until the outer walls of multiple inner support plates 20 are completely in contact with and supported by the inner wall of the tubular metal part. This can achieve the limiting and fixing of the tubular metal part, preventing the metal part from shifting and shaking during the spraying process, which would affect the spraying effect. At the same time, there is no need to contact and fix the outer wall of the tubular metal part, and the surface of the metal part can be sprayed from all directions without secondary operation, which greatly reduces the operation process, reduces processing costs, and effectively improves the spraying quality.

[0053] Secondly, during the spraying process, the controller 2 can start the motor 25 to drive the worm 24 to rotate. Since the worm 24 is meshed with the worm wheel 23, the rotation of the worm 24 will drive the worm wheel 23 and the rotating block 6 to rotate. At this time, the rotation of the rotating block 6 can drive the tubular metal part to rotate, thereby achieving uniform spraying on the outer surface of the tubular metal part. This effectively reduces the tedious steps of manually turning the metal part and improves the spraying efficiency. At the same time, the sliding connection between the guide block 26 and the guide groove 27 can guide and limit the rotation of the rotating block 6, making the rotating block 6 more stable during the rotation process and avoiding poor spraying effect due to unstable rotation, thus further improving the spraying quality.

[0054] In summary, this application includes at least one of the following beneficial effects:

[0055] 1. By adjusting the operation of the mechanism, the fixed position of the metal parts can be flexibly adjusted to adapt to metal parts of different lengths.

[0056] 2. Through the ejection of the internal support mechanism, there is no need to contact and fix the outer wall of the tubular metal part, achieving all-round spraying and reducing secondary operations.

[0057] 3. By setting up a rotating mechanism, the tubular metal parts can be rotated automatically, reducing the tedious steps of manual flipping.

[0058] 4. Through the coordinated operation of the controller and motor, automated operation is achieved, reducing manual intervention and improving the spraying quality.

[0059] 5. Reduce processing costs by minimizing operational steps and secondary operations.

[0060] The same or similar parts between the various embodiments in this specification can be referred to interchangeably. Each embodiment focuses on describing the differences from other embodiments. In particular, the product embodiments described later are relatively simple in description since they correspond to the methods, and relevant parts can be referred to the descriptions in the system embodiments.

[0061] The above description is merely a specific embodiment of this application, but the scope of protection of this application is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this application should be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.

Claims

1. A metal piece spray fixing tool characterized by, include: A workbench (1) with a controller (2) fixedly connected to its top; A fixing block (3) is fixedly connected to the top of the workbench (1); The movable plate (4) is symmetrically slidably connected to the top of the fixed block (3); Support block (5) is fixedly connected to the top of the movable plate (4); Rotating block (6) is rotatably connected to the inside of the support block (5); A connecting column (7) is fixedly connected to one side of the rotating block (6) and is used to fix both ends of the tubular metal part; An adjustment mechanism, connected to the fixed block (3), is used to drive the moving plate (4) to slide along the fixed block (3) so as to adjust the distance between the two connecting columns (7) by adjusting at least one moving plate (4) to move closer to or further away; An internal support mechanism is installed inside the connecting column (7) to provide abutment support to the inner wall of the tubular metal part; A rotating mechanism is installed inside the support block (5) to drive the rotating block (6) to rotate, thereby driving the tubular metal part to rotate.

2. The metal part spraying fixing tool according to claim 1, characterized in that, The internal support mechanism includes: The second bidirectional lead screw (13) is rotatably connected inside the connecting column (7), and one end of the second bidirectional lead screw (13) is not provided with a threaded groove; A threaded sleeve (15) is symmetrically and fixedly connected to the two-way lead screw (13); The connecting plate (16) is uniformly and fixedly connected to the outer wall of the threaded sleeve (15); Hinged block (17), hinged between adjacent connecting plates (16); The support plate (18) is hinged at one end to the hinge block (17) at the end away from the connecting plate (16); A fixed column (19) is fixedly connected to the other end of the support plate (18); The inner support plate (20) is fixedly connected to the other end of the fixed column (19). Its shape and size are consistent with the through groove (21) on the outer wall of the connecting column (7), and it can be slidably connected in the through groove (21).

3. The metal part spraying fixing fixture according to claim 2, characterized in that, The handle (14) is fixedly connected to the end of the two-way lead screw (13) without a threaded groove, and is used for manual operation.

4. The metal part spraying fixing fixture according to claim 1, characterized in that, The rotating mechanism includes: A cavity (22) is formed inside the support block (5); The worm gear (23) is fixedly connected to the outer wall of the rotating block (6) and rotatably connected to the cavity (22); The worm (24) is rotatably connected inside the cavity (22) and meshes with the worm wheel (23); Motor 2 (25) is fixedly connected to one side of the support block (5), and its output end is fixedly connected to one end of the worm (24). Motor 2 (25) is electrically connected to the controller (2).

5. The metal part spraying fixing fixture according to claim 1, characterized in that, The adjustment mechanism includes: A two-way lead screw (8) is rotatably connected at one end to the inside of the fixed block (3); Motor 1 (9) is fixedly connected inside the fixed block (3), and its output end is fixedly connected to the other end of the bidirectional lead screw 1 (8); Motor 1 (9) is electrically connected to the controller (2); Connecting block one (10) is fixedly connected to the bottom of one end of the movable plate (4) and threadedly connected to the bidirectional lead screw one (8).

6. The metal part spraying fixing fixture according to claim 5, characterized in that, The adjustment mechanism further includes: The slide rail (11) is fixedly connected to the top of the workbench (1); Connecting block two (12) is fixedly connected to the bottom of the end of the moving plate (4) away from connecting block one (10) and slidably connected to the slide rail (11).

7. The metal part spraying fixing fixture according to claim 1, characterized in that, The support block (5) has a guide block (26) symmetrically fixedly connected inside. The outer wall of the rotating block (6) has a guide groove (27) symmetrically opened. The guide block (26) is slidably connected in the guide groove (27) to guide and limit the rotation of the rotating block (6).

8. A metal part spraying fixing fixture according to claim 2, characterized in that, The outer wall of the connecting column (7) is provided with a plurality of through slots (21), and the number of the inner support plates (20) matches the number of the through slots (21).

9. A metal part spraying fixing fixture according to claim 4 or 5, characterized in that, The controller (2) is electrically connected to motor one (9) and motor two (25) and is used to control the start and stop of motor one (9) and motor two (25) to control the movement of the moving plate (4) and the rotation speed and direction of the rotating block (6).

10. A metal part spraying fixture according to claim 1, characterized in that, The outer diameter of the connecting column (7) is adapted to the inner diameter of the tubular metal part.