Anode oxidation jig and mounting device

Abstract

The application discloses an anodic oxidation jig and a mounting device. The anodic oxidation jig comprises a cover plate, a bottom plate and a connecting assembly. The cover plate is arranged on the top side of the bottom plate through the connecting assembly. The bottom plate is provided with a conductive hanging point and a conductive column extending towards the cover plate. The conductive column extends out of the cover plate. The bottom surface of the bottom plate is provided with a pressing part used for adapting to the top end of the conductive column, so that stable and reliable vertical series conduction between jigs is realized through the conductive column.

Description

Technical Field

[0001] This application belongs to the field of anodizing fixture technology, specifically relating to an anodizing fixture and mounting equipment. Background Technology

[0002] Currently, portable electronic products such as smartphones, smartwatches, and tablets are increasingly integrated into people's daily lives. To meet consumers' continuous pursuit of product appearance, durability, and attention to detail, aluminum alloys, due to their lightweight, high strength, and ease of processing, are widely used in the casings and mid-frames of electronic products. However, aluminum alloys themselves have insufficient surface hardness, are easily scratched, and have limited color options. Therefore, anodizing is typically used to improve their surface properties, such as enhancing hardness, achieving diverse colors, and improving wear resistance and corrosion resistance. Anodizing refers to the formation of an oxide film on aluminum products by applying an external current to aluminum and its alloys in a specific electrolyte solution.

[0003] During the oxidation process, the anodizing fixture is a structure that fixes and conducts electricity to the workpiece. For the mid-frame product, the existing spring-loaded anodizing fixture is manually disassembled and assembled, and uses its own metal elasticity to support the inner side of the mid-frame. After multiple anodizing processes, the fixture metal becomes fatigued and the elasticity decreases, which can lead to unreliable contact between the workpiece and the fixture, causing the workpiece to fall out of the groove or have poor conductivity, and making it impossible to form a uniform and reliable oxide film layer.

[0004] Existing hamburger-type anode fixtures consist of multiple fixtures connected in series on a hanging frame. The hanging points are designed on the base plate, and the cover plate is the main clamping and conductive component. The conductivity within the fixture relies on the workpiece as the medium for conduction. The base plate of one fixture is connected to the cover plate of the next fixture through a connecting column. The conductive path between fixtures is cover plate → workpiece → base plate → connecting column between fixtures → cover plate of the next fixture. With many contact points, contact problems are prone to occur. If the connection of any link is unreliable, it will affect the conductivity of other workpieces in the same row, thereby affecting the conductivity uniformity and film formation consistency. Utility Model Content

[0005] In view of the above-mentioned defects or deficiencies, this application provides an anodizing fixture and mounting device, which aims to solve the technical problem of unreliable conductivity of existing fixtures.

[0006] To achieve the above objectives, this application provides an anodizing fixture, which includes a cover plate, a base plate, and a connecting assembly. The cover plate is disposed on the top side of the base plate via the connecting assembly. The base plate has conductive hanging points and conductive posts extending toward the cover plate, with the conductive posts protruding from the cover plate. The bottom surface of the base plate has a pressing portion for fitting with the top end of the conductive posts.

[0007] In the embodiments of this application, the connecting components are made of non-conductive materials.

[0008] In this embodiment of the application, the connecting component includes an elastic buckle, the bottom of which is connected to the base plate, and the top of which is provided with a plurality of elastic locking parts that can deform in the radial direction. The cover plate is provided with a connecting hole, and the cover plate is engaged with the elastic locking parts through the connecting hole.

[0009] In this embodiment, the outer periphery of the elastic locking part is provided with a locking groove, the outer edge of the connecting hole is locked into the locking groove, and the elastic locking part is gradually tapered from the side close to the locking groove to the side away from the base plate.

[0010] In this embodiment, the connecting component further includes a positioning post, which is inserted through the base plate and the top of the positioning post is connected to the bottom of the elastic buckle.

[0011] In the embodiments of this application, a positioning cavity is formed by multiple elastic clamping parts, and the bottom shape of the positioning post is adapted to the cavity wall of the positioning cavity.

[0012] In this embodiment, the conductive hanging point includes a connecting part, an elastic part, and a hanging point part. One end of the elastic part is elastically connected to the connecting part, and the other end is connected to the hanging point part and biased towards the cover plate. The connecting part is connected to the bottom plate.

[0013] In this embodiment of the application, a contour-following vehicle is provided on the base plate.

[0014] In this embodiment of the application, one of the conductive hanging point and the base plate is provided with a positioning pin, and the other is provided with a positioning hole for the positioning pin to pass through.

[0015] In this embodiment, the conductive hanging point is detachably connected to the base plate via fasteners.

[0016] In addition, this application also provides a mounting device, which includes the anodizing fixture as described above.

[0017] In this embodiment of the application, the mounting device further includes a mounting bracket, a mounting frame, and a locking component. The mounting bracket is mounted on the mounting frame and includes a string rod, a first conductive plate, and a second conductive plate. Multiple anodizing fixtures are sequentially mounted on the string rod. The first conductive plate is fixed to one end of the string rod, and the second conductive plate is movably mounted on the other end of the string rod. The mounting frame is provided with a locking component, and the movable end of the locking component faces the second conductive plate.

[0018] Through the above technical solutions, the anodizing fixture provided in this application has the following beneficial effects: In the technical solution of this application, the hanging point is set on the base plate. The current from the hanging frame is directly conducted to the workpiece through the hanging point on the base plate, which shortens the conductive path and reduces energy consumption and increases efficiency. Furthermore, the side of the base plate facing the cover plate is provided with a conductive post that extends out of the cover plate. The bottom surface of the base plate is provided with a pressing part for fitting the conductive post. The conductive post can abut against the pressing part of the adjacent anodizing fixture. After the current from the hanging frame is guided to the base plate, it is guided to the conductive post and the base plate of the adjacent anodizing fixture in sequence. Thus, the conductive post becomes a stable electrical interface between all fixtures. Only the bottom fixture needs to be reliably connected to the hanging frame. All the fixtures above can be connected and conductive through the conductive post, realizing stable and reliable vertical series conduction between fixtures from bottom to top, which simplifies the entire hanging frame system.

[0019] Other features and advantages of the embodiments of this application will be described in detail in the following detailed description section. Attached Figure Description

[0020] The accompanying drawings are provided to further illustrate the embodiments of this application and form part of the specification. They are used together with the following detailed description to explain the embodiments of this application, but do not constitute a limitation on the embodiments of this application. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without any inventive effort. In the drawings: Figure 1 This is a schematic diagram of the structure of an anodizing fixture according to an embodiment of this application from one perspective; Figure 2 This is a schematic diagram of the anodizing fixture according to an embodiment of this application from another perspective; Figure 3 This is a schematic diagram of the structure of an anodizing fixture according to an embodiment of this application from another perspective; Figure 4 This is a schematic cross-sectional view of two adjacent anodizing fixtures according to an embodiment of this application; Figure 5 This is a schematic diagram of the elastic buckle in an anodizing fixture according to an embodiment of this application; Figure 6 This is a schematic diagram of the structure of the base plate in an anodizing fixture according to an embodiment of this application; Figure 7 This is a schematic diagram of the connection structure of two adjacent anodizing fixtures according to an embodiment of this application; Figure 8 yes Figure 7 A magnified view of a portion of point A in the middle; Figure 9 This is a cross-sectional schematic diagram of a device mounted according to an embodiment of this application; Figure 10This is a schematic diagram of the structure of the mounting device according to an embodiment of this application; Figure 11 This is a schematic diagram of the structure of the mounted device according to another embodiment of this application.

[0021] Explanation of reference numerals in the attached figures Detailed Implementation

[0022] The specific embodiments of this application will be described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are for illustration and explanation only and are not intended to limit this application.

[0023] The descriptions of directions such as "up", "down", "front", "back", "left", and "right" in this application are as follows: Figure 1 The directions shown are for reference only and are used to interpret the location. Figure 1 The relative positional relationship between the components in the shown posture is such that if the specific posture changes, the directional indication will also change accordingly.

[0024] The anodizing fixture and mounting equipment of this application are described below with reference to the accompanying drawings.

[0025] like Figures 1 to 8 As shown, this application provides an anodizing fixture, which includes a cover plate 20, a base plate 10, and a connecting assembly 40. Please refer to... Figures 1 to 4 The base plate 10 and the cover plate 20 are arranged opposite to each other. The cover plate 20 is located on one side of the base plate 10 through the connecting component 40. The top surface of the base plate 10 is provided with a conductive hanging point 11 and a conductive post 50. The conductive post 50 extends out of the cover plate 20. The bottom surface of the base plate 10 is provided with a pressing part 17 for fitting with the conductive post 50.

[0026] The cover plate 20 and the base plate 10 are positioned opposite each other, with the workpiece placed between them. By placing the conductive hanging point 11 on the base plate 10, the current flows directly from the base plate 10 to the workpiece, resulting in a shorter path, lower energy consumption, and no need to worry about the contact between the connecting component 40 and the cover plate 20, ensuring reliable conductivity. Furthermore, after the conductive post 50 on the base plate 10 passes through the workpiece, it abuts against the pressing part 17 at the bottom of the base plate 10 of the adjacent fixture. The two adjacent anodizing fixtures are conductively connected through the conductive post 50. The current from the hanging frame 70 is guided to the base plate 10 of the bottom fixture, and then conducted through the conductive post 50 to the pressing part 17 of the adjacent anodizing fixture, and then to the base plate 10 of the adjacent anodizing fixture. Thus, the conductive post 50 becomes a stable electrical interface between all fixtures. Only the bottom fixture needs to be reliably connected to the hanging frame 70, and all the fixtures above can be connected and conductive through the conductive post 50, achieving stable and reliable vertical series conductivity between fixtures from bottom to top, simplifying the entire hanging frame system.

[0027] It is understandable that the workpiece can be a watch case frame, a mobile phone frame, or other frame structures.

[0028] Specifically, please refer to Figure 2 , Figure 4 The base plate 10 has mounting holes 16. The two ends of the conductive post 50 are a first end 51 and a second end 52, respectively. The first end 51 is inserted into the mounting hole 16 of the base plate 10 of the corresponding anodizing fixture, and the second end 52 passes through the cover plate 20 and is inserted into the mounting hole 16 of the base plate 10 of the adjacent anodizing fixture. The pressing part 17 includes the hole wall of the mounting hole 16 and the end face of the first end 51. That is, the pressing part 17 is a blind hole formed by the hole wall of the mounting hole 16 and the end face of the first end 51.

[0029] Based on this, the connecting component 40 is made of a non-conductive material to provide mechanical locking force instead of serving as a conductive path, thus avoiding the guidance of the central current of the connecting component 40, reducing the risk of over-oxidation in the central region, and further improving the quality of the oxide film layer.

[0030] Specifically, the connecting component 40 can be made of polyetheretherketone (PEEK). PEEK is a special engineering plastic that not only has high temperature resistance, but also excellent wear resistance and chemical corrosion resistance.

[0031] In the embodiments of this application, please refer to Figure 5 The connecting component 40 includes an elastic buckle 41. The bottom of the elastic buckle 41 is connected to the base plate 10. The top of the elastic buckle 41 is provided with a plurality of elastic locking parts 411 that can deform in the radial direction. The cover plate 20 is provided with a connecting hole 21. The cover plate 20 is engaged with the elastic locking parts 411 through the connecting hole 21.

[0032] In the embodiments of this application, please refer to Figure 5 The outer periphery of the elastic locking part 411 is provided with a locking groove 412, and the outer edge of the connecting hole 21 is inserted into the locking groove 412. The elastic locking part 411 is gradually tapered from the side close to the locking groove 412 to the side away from the base plate 10.

[0033] The mounting groove 412 is located on the outer periphery of the elastic mounting portion 411. The mounting groove 412 extends circumferentially along the elastic buckle 41. The outer edge of the connecting hole 21 engages with the mounting groove 412, so that the connecting buckle and the cover plate 20 are tightly assembled. The elastic mounting portion 411 is tapered from the side near the mounting groove 412 to the side away from the base plate 10. That is, the size of the side of the elastic mounting portion 411 away from the base plate 10 is smaller than the size of the side near the mounting groove 412. This makes it easier for the elastic mounting portion 411 to pass through the connecting hole 21 so that the outer edge of the connecting hole 21 engages with the mounting groove 412. This makes it easier to assemble and disassemble the elastic buckle 41 and the cover plate 20, and facilitates automated assembly and disassembly by combining with a robot. During installation, the cover plate 20 is clamped and pressed down towards the base plate 10 by the robotic arm, which can clamp the cover plate 20 and the elastic buckle 41. During disassembly, the top of the elastic buckle 41 is pressed down by the clamping sleeve, which causes the elastic buckle 41 to tighten and release the clamp between the elastic buckle 41 and the connecting hole 21. Then, the cover plate 20 can be lifted up and removed by the robotic arm, thereby realizing the automated disassembly and assembly of the fixture and improving production efficiency.

[0034] In the embodiments of this application, please refer to Figures 6 to 8 The connecting assembly 40 also includes a positioning post 42, which passes through the base plate 10 and whose top is connected to the bottom of the elastic buckle 41. The elastic buckle 41 is connected to the positioning post 42 and is fixed to the base plate 10 by the positioning post 42.

[0035] Specifically, the bottom of the elastic buckle 41 is threadedly connected to the top of the positioning post 42. The bottom of the elastic buckle 41 is provided with a threaded section 415, and the top of the positioning post 42 is formed with a threaded hole. The threaded connection makes it convenient to replace the elastic buckle 41 after it wears out, improving the flexibility of the elastic buckle 41. In addition, the threaded connection can achieve self-locking, making the connection between the elastic buckle 41 and the top of the positioning post 42 more stable and reliable.

[0036] Furthermore, both the elastic buckle 41 and the positioning post 42 have stepped surfaces. The stepped surfaces of the elastic buckle 41 and the positioning post 42 are respectively located on both sides of the base plate 10 to clamp the base plate 10.

[0037] Based on this, multiple elastic clamping parts 411 surround to form a positioning cavity 414, and the bottom shape of the positioning post 42 is adapted to the cavity wall of the positioning cavity 414.

[0038] The positioning cavity 414 is formed by the inner walls of multiple elastic clamping parts 411. The cavity wall of the positioning cavity 414 is adapted to the bottom shape of the positioning post 42 so that the positioning post 42 can be stably and reliably inserted into the positioning cavity 414, so that two adjacent anodizing fixtures can be stably and reliably connected together, improving the electrical conductivity stability between the two adjacent anodizing fixtures. It is understood that the elastic clamping parts 411 can elastically deform. After the positioning post 42 is inserted into the positioning cavity 414, the positioning cavity 414 surrounding the elastic clamping parts 411 will not shrink, but will fit tightly with the positioning post 42. The clamping groove 412 on the periphery of the elastic clamping parts 411 will also fit tightly with the connecting hole 21 of the cover plate 20, so that the cover plate 20 presses the workpiece, thereby making the workpiece reliably contact the hanging point 113.

[0039] In the embodiments of this application, please refer to Figure 6 The conductive hanging point 11 includes a connecting part 111, an elastic part 112 and a hanging point part 113. One end of the elastic part 112 is elastically connected to the connecting part 111, and the other end is connected to the hanging point part 113 and biased towards the cover plate 20. The connecting part 111 is connected to the base plate 10.

[0040] The connecting part 111 is connected to the side of the base plate 10 away from the cover plate 20. The base plate 10 has a hollow hole 13, and the hanging point part 113 extends through the hollow hole 13 to the side of the base plate 10 near the cover plate 20. However, it is not limited to connecting the connecting part 111 to the side of the base plate 10 facing the cover plate 20, or it can be biased towards the cover plate 20 and provide a force to press the hanging point part 113 against the workpiece.

[0041] One end of the elastic part 112 is elastically connected to the connecting part 111, and the other end of the elastic part 112 is connected to the hanging point part 113. The elastic part 112 allows the hanging point part 113 to elastically sway along the thickness direction of the base plate 10. The base plate 10 has a hollow hole 13. The connecting part 111 is connected to the side of the base plate 10 away from the cover plate 20. The hanging point part 113 passes through the hollow hole 13 and contacts the workpiece. When the cover plate 20 is assembled with the elastic buckle 41, the cover plate 20 presses the workpiece against it until it reliably contacts the hanging point part 113. The elastic restoring force of the elastic part 112 allows the hanging point part 113 to make tight contact with the workpiece, improving the conductivity reliability and stability of the hanging point part 113.

[0042] It is understandable that the size of the cutout hole 13 is larger than the size of the hanging point 113, so that after changing different conductive hanging points 11 according to the size of the workpiece, the hanging point 113 can still pass through the cutout hole 13 and contact the workpiece. Compared with the solution of matching the size of the cutout hole 13 with the size of the hanging point 113, the base plate 10 has greater flexibility in use.

[0043] Specifically, the number of conductive hanging points 11 can be at least two, and the at least two conductive hanging points 11 are arranged at intervals to make the current distribution of the workpiece more uniform. The number of hanging point portions 113 on each conductive hanging point 11 can be at least two, further making the current distribution of the workpiece more uniform.

[0044] In the embodiments of this application, please refer to Figures 1 to 3 A contouring carrier 30 is provided on the base plate 10, which is used to support the inner side of the workpiece. The contouring carrier 30 is located between the cover plate 20 and the base plate 10. The contouring carrier 30 is adapted to the inner cavity shape of the workpiece, and supporting the contouring carrier 30 serves to limit the position of the workpiece in the length and width directions.

[0045] It is understandable that the contouring vehicle 30 has through holes for the elastic buckle 41 and the conductive post 50 to pass through, and the contouring vehicle 30 is made of non-conductive material.

[0046] In the embodiments of this application, please refer to Figure 6 One of the conductive hanging point 11 and the base plate 10 is provided with a positioning pin 12, and the other is provided with a positioning hole 14 for the positioning pin 12 to pass through. By setting the positioning pin 12 to cooperate with the positioning hole 14, the assembly between the conductive hanging point 11 and the base plate 10 is positioned, making the assembly between the conductive hanging point 11 and the base plate 10 more convenient and improving the assembly efficiency.

[0047] In the embodiments of this application, please refer to Figure 6 The conductive hanging point 11 is detachably connected to the base plate 10 via fastener 15. This detachable connection facilitates the replacement of the conductive hanging point 11, improving its usability. Specifically, the fastener 15 is a bolt, which is easy to obtain and install. Furthermore, the threaded connection enables self-locking, making the connection between the conductive hanging point 11 and the base plate 10 more stable and reliable.

[0048] In addition, this application also provides a mounting device, which includes the anodizing fixture described above. Since the mounting device employs all the technical solutions of the above embodiments, it possesses at least all the beneficial effects brought about by the technical solutions of the above embodiments, which will not be elaborated upon here.

[0049] In the embodiments of this application, please refer to Figures 9 to 11The mounting equipment also includes a mounting bracket 60, a mounting frame 70, and a locking component 80. The mounting bracket 60 is mounted on the mounting frame 70. The mounting bracket 60 includes a connecting rod 62, a first conductive plate 61, and a second conductive plate 63. Multiple anodizing fixtures are sequentially mounted on the connecting rod 62. The first conductive plate 61 and the second conductive plate 63 are respectively located at both ends of the connecting rod 62. The first conductive plate 61 is fixed to one end of the connecting rod 62, and the second conductive plate 63 is movably located at the other end of the connecting rod 62. The locking component 80 is located on the mounting frame 70 and is located on the side of the second conductive plate 63 away from the anodizing fixtures. The movable end of the locking component 80 faces the second conductive plate 63. The movable end of the locking component 80 can extend and press against the second conductive plate 63, and push the second conductive plate 63 to move relative to the connecting rod 62 to press the multiple anodizing fixtures sequentially. A first conductive rod 611 is provided on the side of the first conductive plate 61 away from the second conductive plate 63, and a second conductive rod 631 is provided on the side of the second conductive plate 63 facing the anodizing fixture. A conductive part 73 is provided on the hanging frame 70. The first conductive rod 611 and the conductive part 73 are positioned correspondingly. When each anodizing fixture is locked to the first conductive plate 61 by the locking member 80, the first conductive rod 611 is pressed against the conductive part 73 of the hanging frame 70, so that the conductivity is stable and reliable.

[0050] Furthermore, the hanging frame 70 includes a first connecting plate 71 and a second connecting plate 72 spaced apart, with the first connecting plate 71 and the second connecting plate 72 spaced apart in the left-right direction. Both the first connecting plate 71 and the second connecting plate 72 are provided with conductive parts 73. The hanging bracket 60 is located between the first connecting plate 71 and the second connecting plate 72, and the string rod 62 extends in the left-right direction. Multiple anodizing fixtures are sequentially passed through the string rod 62 in the left-right direction.

[0051] The locking member 80 moves to the left to push the second conductive plate 63 to the left. The second conductive plate 63 pushes the conductive post 50 to the left so that the conductive posts 50 of the multiple anodizing fixtures are pressed together in sequence, and the first conductive rod 611 on the first conductive plate 61 is pressed onto the conductive part 73. Due to the locking effect of the locking member 80, the multiple anodizing fixtures, the bracket 60 and the frame 70 on the bracket 60 are kept in close contact and reliably conduct electricity.

[0052] Specifically, the locking member 80 is a bolt, which is threadedly connected to the first connecting plate 71 to achieve a detachable connection between the locking member 80 and the first connecting plate 71. Furthermore, the locking member 80 can move in the left and right direction to change the distance between the end of the locking member 80 and the second conductive plate 63 of the bracket 60, so that the locking member 80 can stably and reliably press the first conductive rod 611 onto the conductive part 73.

[0053] Both ends of the connecting rod 62 are equipped with nuts for stop and limit to prevent the first conductive plate 61 and the second conductive plate 63 from detaching from the connecting rod 62. The hanging frame 70 also includes a hanging rod 74, on which the first conductive plate 61 and the second conductive plate 63 are passed to realize the installation of the hanging bracket 60 and enable the first conductive plate 61 and the second conductive plate 63 to move stably in the left and right directions.

[0054] In the description of this application, it should be understood that the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0055] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a connection that allows communication between components; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0056] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0057] Although embodiments of this application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting this application. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of this application.

Claims

1. An anodizing fixture, characterized in that, The anodizing fixture includes: Base plate (10), cover plate (20) and connecting assembly (40); The cover plate (20) is disposed on the top side of the base plate (10) via the connecting assembly (40). The base plate (10) is provided with a conductive hanging point (11) and a conductive post (50) extending toward the cover plate (20). The conductive post (50) extends out of the cover plate (20). The bottom surface of the base plate (10) is provided with a pressing part (17) for fitting the top end of the conductive post (50).

2. The anodizing fixture according to claim 1, characterized in that, The connecting component (40) is made of a non-conductive material.

3. The anodizing fixture according to claim 1, characterized in that, The connecting assembly (40) includes an elastic buckle (41), the bottom of which is connected to the base plate (10). The top of the elastic buckle (41) is provided with a plurality of elastic locking parts (411) that can deform in the radial direction. The cover plate (20) is provided with a connecting hole (21), and the cover plate (20) is engaged with the elastic locking part (411) through the connecting hole (21).

4. The anodizing fixture according to claim 3, characterized in that, The outer periphery of the elastic locking part (411) is provided with a locking groove (412), the outer edge of the connecting hole (21) is inserted into the locking groove (412), and the elastic locking part (411) is gradually tapered from the side close to the locking groove (412) to the side away from the base plate (10).

5. The anodizing fixture according to claim 3, characterized in that, The connecting assembly (40) further includes a positioning post (42), which is inserted through the base plate (10) and the top of the positioning post (42) is connected to the bottom of the elastic buckle (41).

6. The anodizing fixture according to claim 5, characterized in that, The plurality of elastic locking parts (411) surround to form a positioning cavity (414), and the bottom shape of the positioning post (42) is adapted to the cavity wall of the positioning cavity (414).

7. The anodizing fixture according to any one of claims 1 to 6, characterized in that, The conductive hanging point (11) includes a connecting part (111), an elastic part (112) and a hanging point part (113). One end of the elastic part (112) is elastically connected to the connecting part (111), and the other end is connected to the hanging point part (113) and biased towards the cover plate (20). The connecting part (111) is connected to the base plate (10).

8. The anodizing fixture according to any one of claims 1 to 6, characterized in that, A contour-following vehicle (30) is provided on the base plate (10); And / or, one of the conductive hanging point (11) and the base plate (10) is provided with a positioning pin (12), and the other is provided with a positioning hole (14) for the positioning pin (12) to pass through. And / or, the conductive hanging point (11) is detachably connected to the base plate (10) by fasteners (15).

9. A mounting device, characterized in that, The mounting device includes an anodizing fixture according to any one of claims 1 to 8.

10. The mounting device according to claim 9, characterized in that, The mounting device also includes a mounting bracket (60), a mounting frame (70), and a locking component (80). The mounting bracket (60) is mounted on the mounting frame (70). The mounting bracket (60) includes a string rod (62), a first conductive plate (61), and a second conductive plate (63). Multiple anodizing fixtures are sequentially mounted on the string rod (62). The first conductive plate (61) is fixed to one end of the string rod (62), and the second conductive plate (63) is movably mounted on the other end of the string rod (62). The mounting frame (70) is provided with a locking component (80), and the movable end of the locking component (80) faces the second conductive plate (63).

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