Film plating device for plating true gold and process thereof

Abstract

The invention relates to a film coating device for plating true gold, which comprises a support table, a film coating box, a vacuum film coating device, a vacuum film coating device, a vacuum film coating device and a vacuum film coating device, and is characterized in that the support table is provided with a film coating box; the top of the clamping frame is rotationally connected with the top end in the coating box; the bearing mechanism comprises a supporting ring arranged in the coating box, a plurality of bearing rods fixedly connected to the supporting ring and a combination frame fixedly connected between every two bearing rods, the combination frame is used for installing a workpiece to be machined, and a plurality of positioning blocks are symmetrically arranged on the front face and the rear face of the combination frame; clamping blocks are arranged on the opposite faces of the positioning blocks in a telescopic mode and used for positioning and clamping a workpiece to be machined, and the top of the bearing rod is connected with the clamping frame. According to the vacuum coating device, efficient and uniform coating of the to-be-machined workpiece can be achieved, and a stable vacuum coating environment is provided.

Description

Technical Field

[0001] The present application relates to the technical field of vacuum coating, and in particular to a coating device and process for real gold coating. Background Art

[0002] Vacuum coating technology currently plays a vital role in modern industry. By depositing thin films on material surfaces, it can significantly enhance product performance and appearance, such as improving wear resistance, corrosion resistance, or optical properties. In recent years, with the industry's growing demand for efficient production, the automation and batch processing capabilities of vacuum coating equipment have become a research focus. However, traditional vacuum coating technology still faces many challenges in practical application, especially when processing large quantities of workpieces. Ensuring the uniformity and stability of the coating remains a pressing issue.

[0003] Currently, poor coating uniformity is a common problem during the vacuum coating of batch workpieces. This is especially true when processing multiple workpieces simultaneously. It's difficult to effectively control the position and orientation of each workpiece, leading to inconsistent coating thickness in some areas and impacting the performance and consistency of the final product. Furthermore, the process is ineffective when dealing with workpieces of varying shapes, sizes, and materials, resulting in reduced efficiency during batch vacuum coating of multiple workpieces. Therefore, achieving uniform coating of batch workpieces while maintaining high efficiency has become a critical issue that urgently needs to be addressed.

[0004] In view of the above-mentioned related technologies, it is necessary to propose a coating device and process for plating real gold to solve one of the above-mentioned technical problems. Summary of the Invention

[0005] In order to solve one of the above-mentioned technical problems, the present application provides a film plating device and process for plating real gold.

[0006] The present application provides a coating device and process for real gold plating, which adopts the following technical solutions: A film coating device for plating real gold, comprising: A supporting platform is provided with a coating box for vacuum coating of the workpiece to be processed; A clamping frame, the top of which is rotatably connected to the inner top of the coating box; and The bearing mechanism includes a support ring arranged in the coating box, a plurality of bearing rods fixedly connected to the support ring, and a combination frame fixedly connected between two of the bearing rods. The combination frame is used to install the workpiece to be processed. The front and back surfaces of the combination frame are symmetrically provided with a plurality of positioning blocks. The opposite surfaces of the positioning blocks are telescopically provided with clamping blocks for positioning and clamping the workpiece to be processed. The top of the bearing rod is connected to the clamping frame. The batch of workpieces to be processed arranged between a plurality of the combination frames drive the combination frames on the bearing rod to rotate through the rotating clamping frame, thereby achieving uniform vacuum coating in the coating box.

[0007] By adopting the above technical solution, the vacuum coating device can achieve efficient and uniform coating of the workpiece to be processed; specifically, the coating box on the support table provides a stable vacuum coating environment for the workpiece to be processed, and the rotating connection design between the clamping frame and the top end of the coating box enables the supporting mechanism to drive the workpiece to be processed in the combination frame to rotate as the clamping frame rotates; this rotational movement ensures that the workpieces to be processed placed in batches in several combination frames can fully and evenly contact the coating material, thereby significantly improving the uniformity and quality of the coating; at the same time, the positioning blocks symmetrically arranged on the front and back of the combination frame and the clamping blocks telescopically arranged on the opposite surfaces thereof can firmly position and clamp the workpiece to be processed, avoiding uneven coating due to loosening or displacement of the workpiece to be processed during the coating process; the position of the clamping block can also be adjusted according to the size of the workpiece to be processed, thereby adapting to workpieces of different sizes; therefore, the device not only improves the coating efficiency, but also greatly guarantees the quality and stability of the coating.

[0008] Optionally, the tail end of the positioning block is rotatably connected to the external connection part of the combination frame, and several positioning blocks are opposite to each other at the upper and lower corners of the outside of the combination frame to position the workpiece in the combination frame.

[0009] By adopting the above technical solution, the rotating connection design of the positioning block and the external connection part of the combination frame enables the positioning block to be flexibly adjusted within a specific angle, thereby adapting to workpieces of different sizes or shapes; at the same time, the layout of several positioning blocks at the upper and lower corners of the outside of the combination frame forms a stable support structure, which effectively prevents the position of the workpiece to be processed from shifting due to vibration or other external forces during the coating process, thereby improving the uniformity and consistency of the coating.

[0010] Optionally, a telescopic mechanism is further included for adjusting the telescopic adjustment of the clamping block. The telescopic mechanism includes a telescopic cylinder group arranged through the positioning block. A connecting plate is provided at the output end of the telescopic cylinder group. An elastic member is provided on the end face of the connecting plate. The elastic member is connected to the clamping block.

[0011] By adopting the above technical solution, the elastic connection between the telescopic cylinder group and the clamping block can ensure that the clamping block has a certain buffering performance when positioning and clamping the workpiece to be processed, thereby effectively avoiding surface damage to the workpiece to be processed caused by excessive clamping force; at the same time, this elastic connection method can also adapt to workpieces of different sizes or shapes to a certain extent, thereby improving the compatibility and applicability of the device.

[0012] Optionally, it also includes a cooling mechanism for circulating and cooling the coating box. The cooling mechanism includes a storage box for storing inert gas, a delivery pipeline and a delivery pump arranged on the support platform. One end of the delivery pipeline is connected to the storage box, and the other end is connected to the coating box. The delivery pump is arranged in the delivery pipeline to realize the delivery of inert gas into the coating box.

[0013] By adopting the above technical solution, the temperature inside the coating box can be effectively controlled to avoid the degradation of the coating quality of the workpiece to be processed due to excessively high temperature; the inert gas in the storage box is accurately delivered to the coating box through a delivery pump and a delivery pipeline, thereby cooling the environment inside the box and ensuring the stability of the coating process; in addition, this solution can also extend the service life of the device and reduce the risk of equipment damage caused by high temperature.

[0014] Optionally, the cooling mechanism also includes a branch pipeline, the branch pipeline is connected to the coating box at one end away from the delivery pipeline, an adsorption pump is provided on the branch pipeline for sucking out the inert gas in the coating box, a buffer box is provided at one end of the branch pipeline for buffering and cooling the inert gas, and a guide pipeline is provided at one end of the buffer box, which is connected to the delivery pipeline to realize the circulation of the inert gas.

[0015] By adopting the above technical solution, the branch pipeline is connected to the coating box, and the inert gas in the coating box is extracted through the adsorption pump; since the inert gas absorbs heat in the coating box, the extracted inert gas carries the heat into the buffer box; in the buffer box, the inert gas is initially cooled by contact with the buffer structure, and then the inert gas returns to the delivery pipeline through the guide pipeline to complete the circulation process; this process effectively utilizes the inert gas as a heat transfer medium to bring out the heat in the coating box and achieve cooling, ensuring the stable progress of the coating process.

[0016] Optionally, a splicing frame is provided in the buffer box, and a multi-layer filter membrane is installed on the splicing frame to filter the sucked-out inert gas.

[0017] By adopting the above technical solution, the multi-layer filter membrane can effectively intercept the coating residues carried in the inert gas, ensure the purity of the recycled inert gas, and prevent the residues from re-entering the coating box during the circulation process, affecting the coating quality or contaminating the workpiece to be processed.

[0018] Optionally, a heat sink is provided in the guide pipeline away from the buffer tank, a conduction block is provided through the guide pipeline, the conduction block is connected to the heat sink, and the heat sink is used for secondary cooling of the inert gas circulating to the delivery pipeline.

[0019] By adopting the above-mentioned technical solution, the combination of the heat sink and the conduction block can effectively reduce the temperature of the inert gas in the guide pipeline, ensuring that it reaches a suitable low-temperature state before re-entering the delivery pipeline, thereby improving the temperature stability during the coating process and avoiding the impact of temperature fluctuations on the coating quality; at the same time, this design helps to improve the efficiency of inert gas recycling and reduce energy consumption.

[0020] Optionally, a vacuum mechanism is also included, which is used to achieve a vacuum state in the coating box. The vacuum mechanism includes a vacuum pump and a vacuum pipeline arranged on the support platform. One end of the vacuum pipeline is connected to the vacuum pump, and the other end of the vacuum pipeline is connected to the coating box.

[0021] By adopting the above technical solution, a vacuum state can be achieved in the coating box, ensuring the environmental requirements of the vacuum coating process; the coordinated use of the vacuum pump and vacuum pipeline can effectively extract the air in the coating box, providing stable vacuum conditions for the workpiece to be processed, thereby improving the quality and uniformity of the coating.

[0022] A process for plating a film-coating device for plating real gold, comprising the following steps: Place the workpieces evenly in the combination frame, which is set between the carrying bars. The position of the combination frame can be adjusted according to the size of the workpieces to ensure that the workpieces are evenly stressed during the coating process. Start the vacuum pump and extract the air in the coating box through the vacuum pipeline to achieve the vacuum degree required by the process; during the vacuuming process, the changes in the vacuum degree should be monitored to ensure the normal operation of the vacuum system; Heat the workpiece in the coating box; the heating process should be uniform to avoid deformation or stress of the workpiece due to local overheating; Start the main arc power supply and conduct main arc bombardment; use high-energy ions to bombard the workpiece surface to further clean the surface and improve the adhesion of the coating; during the bombardment process, the ion energy and bombardment time should be strictly controlled within the process requirements; The surface of the workpiece is filmed in six stages. The first two stages are: depositing a pure metal layer with good ductility between the workpiece substrate and the compound layer such as titanium nitride, which is conducive to the bonding between the compound layer and the substrate; the third stage is a transition layer, which increases the thickness of the titanium nitride film and makes the product more wear-resistant; the fourth and fifth stages are depositing a pure metal layer with good ductility between the titanium nitride layer and the rose gold layer, which is conducive to the bonding between the titanium nitride layer and the rose gold layer; the sixth stage is the final gold and copper plating color layer to ensure that the product color and thickness meet the target requirements. After the coating is completed, start the delivery pump and send the inert gas in the storage box into the coating box through the delivery pipeline. Adjust the gas flow and pressure to maintain a stable inert gas environment in the coating box to achieve cooling treatment in the coating box. Suck out the inert gas in the coating box through the branch pipeline and send it to the buffer box. After buffering and filtration, send it back to the coating box to achieve the recycling of the inert gas. After the temperature in the coating box drops to room temperature, open the coating box, take out the workpiece that has been coated, and check whether the coating quality meets the requirements.

[0023] Optionally, the heating temperature in the coating box is set in the range of 40°C-100°C, the vacuum requirement is 1.0×10⁻²Pa, and the rotation speed is controlled in the range of 5Hz-15Hz.

[0024] Optionally, when performing main arc bombardment, the time is controlled within the range of 0 min-4 min, the pressure value is controlled within the range of 1.0 Pa-6.5 Pa, and the target current is controlled within the range of 50 A-150 A.

[0025] Optionally, in the film forming stage, in the first two stages, the time is controlled within the range of 5min-30min, the pressure value is controlled within the range of 1.0Pa-6.5Pa, and the target current is controlled within the range of 10A-30A; in the third stage, the time is controlled within the range of 4min-6min; in the fourth and fifth stages, the time is controlled within the range of 1min-15min, the pressure value is controlled within the range of 1.0Pa-6.5Pa, and the target current is controlled within the range of 60A-80A; in the sixth stage, the time is controlled within 25min.

[0026] In summary, this application includes at least one of the following beneficial technical effects: 1. The clamping frame drives the support rod and combination frame to rotate, achieving uniform vacuum coating of batches of workpieces within the coating chamber. This effectively solves the uneven coating problem encountered in traditional methods and improves coating quality. At the same time, the support ring, support rod, and combination frame in the support mechanism form a stable structural system, ensuring the stability and consistency of the workpieces during the coating process and reducing coating defects caused by workpiece shaking. Furthermore, the positioning blocks and clamping blocks on the combination frame are used in conjunction, not only allowing for flexible adjustment to accommodate workpieces of various sizes and shapes, but also preventing workpiece displacement or loosening during rotation through precise control of the clamping force, further enhancing the coating effect. 2. The cooling mechanism cools the coating box through the inert gas circulation system to ensure the stability and efficiency of the coating process; the inert gas in the storage box is delivered to the coating box through the delivery pipeline and the delivery pump, and the adsorption pump sucks the inert gas in the coating box into the buffer tank through the branch pipeline. The multi-layer filter membrane filters and purifies the gas, and the heat sink and conduction block in the guide pipeline further cool the circulating gas for a second time, thus forming a complete closed-loop cooling system, which effectively controls the temperature in the coating box, reduces the impact of heat accumulation on the coating quality, and at the same time reduces energy consumption and extends the service life of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 This is a first-perspective view of a coating device for real gold plating in this application.

[0028] Figure 2 This is a second perspective view of a coating device for real gold plating in this application.

[0029] Figure 3 This is a schematic diagram of the structure inside a coating box of a coating device for real gold plating in this application.

[0030] Figure 4 This is a structural schematic diagram of a supporting mechanism of a coating device for real gold plating in this application.

[0031] Figure 5 It is a cross-sectional view of a cooling mechanism of a film plating device for real gold plating in this application.

[0032] Figure 6 This is a three-dimensional view of the combination of a telescopic mechanism and a positioning block of a coating device for real gold plating in this application.

[0033] Figure 7 yes Figure 4 A magnified schematic diagram of the structure at point A.

[0034] In the figure: 1. support platform; 11. coating box; 111. observation window; 112. adjusting rod; 113. adjusting block; 114. monitoring camera; 115. rotating motor; 116. driving gear; 117. adjusting cylinder; 2. clamping frame; 21. driven gear; 3. bearing mechanism; 31. supporting ring; 32. bearing rod; 33. combination frame; 34. positioning block; 35. clamping block; 4. telescopic mechanism; 41. telescopic cylinder group; 42. connecting piece; 43. elastic part; 5. cooling mechanism; 51. storage box; 52. conveying pipeline; 53. conveying pump; 54. branch pipeline; 55. adsorption pump; 56. buffer box; 561. splicing frame; 562. multi-layer filter membrane; 57. guide pipeline; 571. heat sink; 572. conduction block; 6. vacuum mechanism; 61. vacuum pump; 62. vacuum pipeline. DETAILED DESCRIPTION

[0035] The following is combined with the accompanying drawings Figure 1-Figure 7 This application is described in further detail.

[0036] Example 1, reference Figure 1-Figure 4 The embodiment of the present application discloses a film coating device for real gold plating, including: a support platform 1, a clamping frame 2 and a carrying mechanism 3.

[0037] A coating box 11 is provided on the support table 1 for vacuum coating of the workpiece to be processed. The coating box 11 uses heating and evaporation of the coating material to achieve vacuum coating of the workpiece to be processed; the top of the clamping frame 2 is rotatably connected to the inner top of the coating box 11, and a driven gear 21 is provided on the clamping frame 2. A rotating motor 115 is provided on one side of the inner top of the coating box 11. The output end of the rotating motor 115 is provided with a driving gear 116. The driving gear 116 and the driven gear 21 are meshed with each other to realize the rotation of the clamping frame 2; the bearing mechanism 3 includes a support ring 31 provided in the coating box 11, a plurality of bearing rods 32 fixedly connected to the support ring 31, and a combination frame 33 fixedly connected between the two bearing rods 32. The combination frame 33 is used for installing the workpiece to be processed. A plurality of positioning blocks 34 are symmetrically provided on the front and rear surfaces of the combination frame 33. The opposite surfaces of the positioning blocks 34 are telescopically provided with clamping blocks 35 for positioning and clamping the workpiece to be processed. The top of the bearing rod 32 is connected to the clamping frame 2; The batch of workpieces to be processed arranged between the plurality of combination frames 33 are driven by the rotating clamping frame 2 to rotate the combination frames 33 on the carrying rod 32 , thereby achieving uniform vacuum coating in the coating box 11 .

[0038] The vacuum coating device can achieve efficient and uniform coating of the workpiece to be processed; specifically, the coating box 11 on the support table 1 provides a stable vacuum coating environment for the workpiece to be processed, and the rotating connection design between the clamping frame 2 and the top end of the coating box 11 enables the supporting mechanism 3 to drive the workpiece to be processed in the combination frame 33 to rotate as the clamping frame 2 rotates; this rotational movement ensures that the workpieces to be processed placed in batches in several combination frames 33 can fully and evenly contact the coating material, thereby significantly improving the uniformity and quality of the coating; at the same time, the positioning blocks 34 symmetrically arranged on the front and back of the combination frame 33 and the clamping blocks 35 telescopically arranged on the opposite surface thereof can firmly position and clamp the workpiece to be processed, avoiding uneven coating due to loosening or displacement of the workpiece to be processed during the coating process; the position of the clamping block 35 can also be adjusted according to the size of the workpiece to be processed, so as to adapt to workpieces of different sizes; therefore, the device not only improves the coating efficiency, but also greatly guarantees the quality and stability of the coating.

[0039] refer to Figure 4 and Figure 7In this embodiment, more specifically, the tail end of the positioning block 34 is rotatably connected to the external connection part of the combination frame 33, and several positioning blocks 34 are opposite to each other at the upper and lower corners of the outside of the combination frame 33, and are used to position the workpiece to be processed in the combination frame 33. The rotatable connection design of the positioning block 34 and the external connection part of the combination frame 33 enables the positioning block 34 to be flexibly adjusted within a specific angle, thereby adapting to workpieces to be processed of different sizes or shapes; at the same time, the layout of several positioning blocks 34 opposite to each other at the upper and lower corners of the outside of the combination frame 33 forms a stable support structure, which effectively prevents the position displacement of the workpiece to be processed due to vibration or other external forces during the coating process, thereby improving the uniformity and consistency of the coating.

[0040] refer to Figure 6 In this embodiment, more specifically, a telescopic mechanism 4 is further included for telescopically adjusting the clamping block 35. The telescopic mechanism 4 includes a telescopic cylinder group 41 that is arranged through the positioning block 34. The output end of the telescopic cylinder group 41 is provided with a connecting piece 42. The end surface of the connecting piece 42 is provided with an elastic member 43. The elastic member 43 is connected to the clamping block 35. The elastic connection between the telescopic cylinder group 41 and the clamping block 35 can ensure that the clamping block 35 has a certain buffering performance when positioning and clamping the workpiece, thereby effectively avoiding damage to the surface of the workpiece to be processed caused by excessive clamping force; at the same time, this elastic connection method can also adapt to workpieces of different sizes or shapes to a certain extent, thereby improving the compatibility and applicability of the device.

[0041] refer to Figure 1 and Figure 2 In this embodiment, more specifically, a cooling mechanism 5 for circulating and cooling the coating box 11 is further included. The cooling mechanism 5 includes a storage box 51 for storing inert gas, a delivery pipeline 52 and a delivery pump 53 arranged on the support platform 1. One end of the delivery pipeline 52 is connected to the storage box 51, and the other end is connected to the coating box 11. The delivery pump 53 is arranged in the delivery pipeline 52 to realize the delivery of inert gas to the coating box 11. The temperature in the coating box 11 can be effectively controlled to avoid the degradation of the coating quality of the workpiece to be processed due to excessive temperature; the inert gas in the storage box 51 is accurately delivered to the coating box 11 through the delivery pump 53 and the delivery pipeline 52, so as to realize the cooling of the environment in the box and ensure the stability of the coating process; in addition, this solution can also extend the service life of the device and reduce the risk of equipment damage caused by high temperature.

[0042] refer to Figure 1 and Figure 2In this embodiment, more specifically, the cooling mechanism 5 further includes a branch line 54. One end of the branch line 54 away from the delivery line 52 is connected to the coating box 11. An adsorption pump 55 is provided on the branch line 54 for sucking out the inert gas in the coating box 11. A buffer box 56 is provided at one end of the branch line 54 for buffering and cooling the inert gas. A guide line 57 is provided at one end of the buffer box 56. The guide line 57 is connected to the delivery line 52 to realize the circulation of the inert gas. The branch line 54 is connected to the coating box 11. The coating box 11 is connected, and the inert gas in the coating box 11 is extracted through the adsorption pump 55; since the inert gas absorbs heat in the coating box 11, the extracted inert gas carries the heat into the buffer box 56; in the buffer box 56, the inert gas is initially cooled by contact with the buffer structure, and then the inert gas returns to the delivery pipeline 52 through the guide pipeline 57 to complete the circulation process; this process effectively utilizes the inert gas as a heat transfer medium to bring out the heat in the coating box 11 and achieve cooling, thereby ensuring the stable progress of the coating process.

[0043] refer to Figure 5 In this embodiment, more specifically, a splicing rack 561 is provided in the buffer box 56, and a multi-layer filter membrane 562 is installed on the splicing rack 561 to filter the sucked-out inert gas. The multi-layer filter membrane 562 can effectively intercept the coating residues carried in the inert gas, ensure the purity of the recycled inert gas, and prevent the residues from re-entering the coating box 11 during the circulation process, affecting the coating quality or contaminating the workpiece to be processed.

[0044] refer to Figure 5 In this embodiment, more specifically, a heat sink 571 is provided in the guide pipeline 57 away from the buffer box 56, and a conduction block 572 is provided through the guide pipeline 57, which is connected to the heat sink 571. The heat sink 571 is used to perform secondary cooling on the inert gas circulated to the delivery pipeline 52. The cooperation of the heat sink 571 and the conduction block 572 can effectively reduce the temperature of the inert gas in the guide pipeline 57, ensuring that it reaches a suitable low temperature state before re-entering the delivery pipeline 52, thereby improving the temperature stability during the coating process and avoiding the impact of temperature fluctuations on the coating quality; at the same time, this design helps to improve the efficiency of inert gas recycling and reduce energy consumption.

[0045] refer to Figure 1In this embodiment, more specifically, an observation window 111 is provided on the outside of the coating box 11, and an adjusting rod 112 is provided on the outside of the coating box 11. An adjusting block 113 is slidingly provided on the adjusting rod 112, and an adjusting cylinder 117 is provided on both sides of the top of the adjusting rod 112. The output end of the adjusting cylinder 117 is connected to both sides of the top of the adjusting block 113 to realize the lifting and sliding of the adjusting block 113 on the adjusting rod 112. A monitoring camera 114 is provided on the adjusting block 113, which is used to monitor the coating status of the workpiece to be processed in the coating box 11 through the transparent observation window 111. During the vacuum coating process, the adjustable monitoring camera 114 can be used to obtain the coating status of the workpiece to be processed in the coating box 11 in real time, thereby improving the monitoring accuracy of the coating quality.

[0046] refer to Figure 1 In this embodiment, more specifically, it also includes a vacuum mechanism 6, which is used to achieve a vacuum state in the coating box 11. The vacuum mechanism 6 includes a vacuum pump 61 and a vacuum pipeline 62 arranged on the support platform 1. One end of the vacuum pipeline 62 is connected to the vacuum pump 61, and the other end of the vacuum pipeline 62 is connected to the coating box 11, which can achieve a vacuum state in the coating box 11 and ensure the environmental requirements of the vacuum coating process; the coordinated use of the vacuum pump 61 and the vacuum pipeline 62 can effectively extract the air in the coating box 11, provide stable vacuum conditions for the workpiece to be processed, thereby improving the quality and uniformity of the coating.

[0047] The implementation principle of the coating device for real gold plating in the embodiment of the present application is as follows: through the support mechanism 3 and the combination frame 33 structure, efficient clamping and uniform coating of various types of workpieces are achieved, and at the same time, the coating environment temperature is effectively controlled by the cooling mechanism 5 to ensure stable coating quality; specifically, the combination of the support ring 31 and the support rod 32 provides a stable support base, the adjustable positioning block 34 and the clamping block 35 of the combination frame 33 can adapt to workpieces of different shapes and sizes, and the telescopic mechanism 4 ensures precise control of the clamping force; the cooling mechanism 5 cools down through the circulation of inert gas, further improving the reliability and efficiency of the coating process; the overall structure is simple and reliable, easy to operate, and significantly improves the adaptability and processing performance of the vacuum coating equipment.

[0048] Embodiment 2, a process for plating a film-plating device for real gold plating, comprising the following steps: The workpiece to be processed is evenly placed in the combination frame 33, which is set between the supporting rods 32. The position of the combination frame 33 can be adjusted according to the size of the workpiece to be processed to ensure that the workpiece is evenly stressed during the coating process. Start the vacuum pump 61 and extract the air in the coating box 11 through the vacuum pipe 62 to achieve the vacuum degree required by the process; during the vacuuming process, the change of the vacuum degree should be monitored to ensure the normal operation of the vacuum system; Heat the workpiece in the coating box 11; the heating process should be uniform to avoid deformation or stress of the workpiece due to local overheating; Start the main arc power supply and conduct main arc bombardment; use high-energy ions to bombard the workpiece surface to further clean the surface and improve the adhesion of the coating; during the bombardment process, the ion energy and bombardment time should be strictly controlled within the process requirements; The surface of the workpiece is film-formed in six stages. The first two stages are: depositing a pure metal layer with good ductility between the workpiece substrate and the compound layer such as titanium nitride, which is beneficial to the bonding performance between the compound layer and the substrate; the third stage: a transition layer, which increases the thickness of the titanium nitride film to make the product more wear-resistant; the fourth and fifth stages: depositing a pure metal layer with good ductility between the titanium nitride and rose gold layers, which is beneficial to the bonding performance between the titanium nitride layer and the rose gold layer; the sixth stage: the final gold and copper color layer is plated to ensure that the product color and thickness meet the target requirements; the finished gold and copper color layers are carefully inspected for appearance, thickness measurement, adhesion and wear resistance testing; for workpieces with color deviation, insufficient thickness or poor adhesion, the causes are promptly analyzed and rework is carried out. After the coating is completed, start the delivery pump 53 and deliver the inert gas in the storage box 51 into the coating box 11 through the delivery pipeline 52. Adjust the gas flow and pressure to maintain a stable inert gas environment in the coating box 11, and realize cooling treatment in the coating box 11. The inert gas in the coating box 11 is sucked out through the branch pipeline 54 and delivered to the buffer box 56. After buffering and filtration, it is returned to the coating box 11 to realize the recycling of the inert gas. After the temperature in the coating box 11 drops to room temperature, open the coating box 11, take out the workpiece that has been coated, and check whether the coating quality meets the requirements.

[0049] In this embodiment, more specifically, the heating temperature in the coating box is set in the range of 40℃-100℃, the vacuum requirement is 1.0×10⁻²Pa, the rotation speed is controlled in the range of 5Hz-15Hz, and when the main arc bombardment is performed, the time is controlled in the range of 0min-4min, the pressure value is controlled in the range of 1.0Pa-6.5Pa, and the target current is controlled in the range of 50A-150A. In the film forming stage, in the first two stages, the time is controlled in the range of 5min-30min, the pressure value is controlled in the range of 1.0Pa-6.5Pa, and the target current is controlled in the range of 10A-30A; in the third stage, the time is controlled in the range of 4min-6min; in the fourth and fifth stages, the time is controlled in the range of 1min-15min, the pressure value is controlled in the range of 1.0Pa-6.5Pa, and the target current is controlled in the range of 60A-80A; in the sixth stage, the time is controlled in 25min.

[0050] In this embodiment, more specifically, the coating process is as follows: Table 1, Vacuum requirement range:

[0051] Table 2, main arc bombardment requirement range:

[0052] Table 3, film forming numerical requirements range: The tables for the first three stages are as follows:

[0053] The tables for the last three stages are as follows:

[0054] The above are all preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.

Claims

1. A film plating device for real gold plating, characterized in that: include: A support platform (1), wherein a coating box (11) is provided on the support platform (1) for vacuum coating of workpieces to be processed; A snap-fit ​​frame (2), the top of the snap-fit ​​frame (2) being rotatably connected to the inner top of the coating box (11); as well as A bearing mechanism (3) comprises a support ring (31) arranged in the coating box (11), a plurality of bearing rods (32) fixedly connected to the support ring (31), and a combination frame (33) fixedly connected between two of the bearing rods (32), wherein the combination frame (33) is used for mounting the workpiece to be processed, and a plurality of positioning blocks (34) are symmetrically arranged on the front and back sides of the combination frame (33), and clamping blocks (35) are telescopically arranged on the opposite sides of the positioning blocks (34) for positioning and clamping the workpiece to be processed, and the top of the bearing rod (32) is connected to the clamping frame (2); The batch of workpieces to be processed arranged between the plurality of combination frames (33) are driven by the rotating clamping frame (2) to rotate the combination frame (33) on the bearing rod (32), thereby achieving uniform vacuum coating in the coating box (11).

2. The film plating device for real gold plating according to claim 1, characterized in that: The tail end of the positioning block (34) is rotatably connected to the external connection part of the combination frame (33), and a plurality of the positioning blocks (34) are opposite to each other at the upper and lower corners of the outside of the combination frame (33) to position the workpiece in the combination frame (33).

3. The film plating device for real gold plating according to claim 1, characterized in that: It also includes a telescopic mechanism (4) for adjusting the telescopic state of the clamping block (35), wherein the telescopic mechanism (4) includes a telescopic cylinder group (41) provided on the positioning block (34), an output end of the telescopic cylinder group (41) is provided with a connecting piece (42), an end surface of the connecting piece (42) is provided with an elastic member (43), and the elastic member (43) is connected to the clamping block (35).

4. The film plating device for real gold plating according to claim 1, characterized in that: It also includes a cooling mechanism (5) for circulating and cooling the coating box (11), the cooling mechanism (5) including a storage box (51) for storing inert gas, a delivery pipeline (52) and a delivery pump (53) arranged on the support platform (1), one end of the delivery pipeline (52) is connected to the storage box (51), and the other end is connected to the coating box (11), and the delivery pump (53) is arranged in the delivery pipeline (52) to realize the delivery of inert gas to the coating box (11).

5. The film plating device for real gold plating according to claim 4, characterized in that: The cooling mechanism (5) further comprises a branch line (54), wherein one end of the branch line (54) away from the delivery line (52) is connected to the coating box (11), and an adsorption pump (55) is provided on the branch line (54) for sucking out the inert gas in the coating box (11). A buffer box (56) is provided at one end of the branch line (54) for buffering and cooling the inert gas, and a guide line (57) is provided at one end of the buffer box (56), and the guide line (57) is connected to the delivery line (52). Inert gas circulation is achieved; a splicing frame (561) is provided in the buffer box (56), and a multi-layer filter membrane (562) is installed on the splicing frame (561) to filter the sucked inert gas; a heat sink (571) is provided in the guide pipe (57) away from the buffer box (56), and a conduction block (572) is provided through the guide pipe (57), and the conduction block (572) is connected to the heat sink (571), and the heat sink (571) is used to perform secondary cooling on the inert gas circulated to the delivery pipe (52).

6. The film plating device for real gold plating according to claim 1, characterized in that: It also includes a vacuum mechanism (6), which is used to achieve a vacuum state in the coating box (11). The vacuum mechanism (6) includes a vacuum pump (61) and a vacuum pipeline (62) arranged on the support platform (1). One end of the vacuum pipeline (62) is connected to the vacuum pump (61), and the other end of the vacuum pipeline (62) is connected to the coating box (11).

7. A process for plating a film-coating device for real gold plating, providing a film-coating device for real gold plating as described in claims 1-6, characterized in that: The following steps are involved: The workpiece to be processed is evenly placed in the combination frame (33), and the combination frame (33) is set between the bearing rods (32). The position of the combination frame (33) can be adjusted according to the size of the workpiece to be processed to ensure that the workpiece is evenly stressed during the coating process; Start the vacuum pump (61) and extract the air in the coating box (11) through the vacuum pipe (62) to achieve the vacuum degree required by the process; during the vacuuming process, the change of the vacuum degree should be monitored to ensure the normal operation of the vacuum system; The workpiece to be processed in the coating box (11) is heated; the heating process should be uniform to avoid deformation or stress of the workpiece due to local overheating; Start the main arc power supply and perform main arc bombardment; use high-energy ions to bombard the workpiece surface to further clean the surface and improve the adhesion of the coating; During the bombardment process, the ion energy and bombardment time should be strictly controlled within the process requirements; The surface of the workpiece is formed in six stages. The first two stages are: depositing a pure metal layer with good ductility between the workpiece substrate and the compound layer such as titanium nitride, which is beneficial to the bonding performance between the compound layer and the substrate; the third stage: the transition layer, which increases the thickness of the titanium nitride film to make the product more wear-resistant; The fourth and fifth stages: Depositing a ductile pure metal layer between the titanium nitride and rose gold layers to facilitate the bonding between the titanium nitride and rose gold layers; the sixth stage: Finally, the gold and copper layers are plated to achieve the target color and thickness of the product. After the coating is completed, the delivery pump (53) is started to deliver the inert gas in the storage box (51) into the coating box (11) through the delivery pipeline (52), and the gas flow and pressure are adjusted to maintain a stable inert gas environment in the coating box (11), thereby achieving a cooling treatment in the coating box (11). The inert gas in the coating box (11) is sucked out through the branch pipeline (54) and delivered to the buffer box (56), and then returned to the coating box (11) after buffering and filtration, thereby achieving the recycling of the inert gas. After the temperature in the coating box (11) drops to room temperature, the coating box (11) is opened, the workpiece that has been coated is taken out, and the coating quality is checked to see if it meets the requirements.

8. The process of the film plating device for real gold plating according to claim 7, characterized in that: The heating temperature in the coating box is set in the range of 40℃-100℃, the vacuum coating requirement is 1.0×10⁻²Pa, and the rotation speed is controlled in the range of 5Hz-15Hz.

9. The process of the film-plating device for real gold plating according to claim 7, characterized in that: When performing main arc bombardment, the time is controlled within the range of 0 min-4 min, the pressure value is controlled within the range of 1.0 Pa-6.5 Pa, and the target current is controlled within the range of 50 A-150 A.

10. The process of the film plating device for real gold plating according to claim 7, characterized in that: In the film formation stage, in the first two stages, the time is controlled within the range of 5min-30min, the pressure value is controlled within the range of 1.0Pa-6.5Pa, and the target current is controlled within the range of 10A-30A; in the third stage, the time is controlled within the range of 4min-6min; in the fourth and fifth stages, the time is controlled within the range of 1min-15min, the pressure value is controlled within the range of 1.0Pa-6.5Pa, and the target current is controlled within the range of 60A-80A; in the sixth stage, the time is controlled within 25min.

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