阅读说明：本技术 防雷器球形部件激光化学气相沉积陶瓷层流水线及生产工艺 (Laser chemical vapor deposition ceramic layer production line and production process for spherical part of lightning protection device ) 是由 杜挺 郑革 方伟 任永琼 周林 唐静 余乃铨 陈敏 于 2019-10-18 设计创作，主要内容包括：本发明提供了一种防雷器球形部件激光化学气相沉积陶瓷层流水线及生产工艺,所述流水线包括控制器和工作室,工作室的外侧位于进料口处设有单层进料装置,工作室内均匀设有多个相互平行的逆向输送辊,各逆向输送辊上自进料口向出料口形成有S形输送轨道,工作室的顶部沿逆向输送辊的输送方向设置有多个激光器,各激光器的焦点位置处设置可放置硅基片或铝基片的靶材座,工作室的底部设置有氧气入口,工作室的出料口端连通有空气过滤装置,工作室中位于出料口处设置有不良品检测装置。在该流水线上采用该生产工艺处理后的球形部件的表面可形成致密不导电的陶瓷膜,实现球形部件表面绝缘层的一次制备、质量的自动检测及良废产品的自动分类。(the invention provides a laser chemical vapor deposition ceramic layer production line for a spherical component of a lightning protection device and a production process, the production line comprises a controller and a working chamber, a single-layer feeding device is arranged at a feeding port on the outer side of the working chamber, a plurality of mutually parallel reverse conveying rollers are uniformly arranged in the working chamber, an S-shaped conveying track is formed on each reverse conveying roller from the feeding port to a discharging port, a plurality of lasers are arranged at the top of the working chamber along the conveying direction of the reverse conveying rollers, a target seat capable of placing a silicon substrate or an aluminum substrate is arranged at the focal position of each laser, an oxygen inlet is arranged at the bottom of the working chamber, an air filtering device is communicated with the discharging port of the working chamber, and a defective product detecting device is arranged at the discharging port in the working chamber. The surface of the spherical part treated by the production process on the production line can form a compact non-conductive ceramic membrane, so that the one-time preparation of the surface insulating layer of the spherical part, the automatic detection of the quality and the automatic classification of good and waste products are realized.)

1. The utility model provides a spherical part laser chemistry vapor deposition ceramic layer assembly line of lightning protection device, characterized by: the device comprises a controller and a working chamber, wherein a feed inlet and a discharge outlet are respectively arranged on two opposite sides of the working chamber, a single-layer feeding device is arranged at the position, located at the feed inlet, of the outer side of the working chamber, a plurality of mutually parallel reverse conveying rollers are uniformly arranged in the working chamber from the feed inlet to the discharge outlet, the distance between every two adjacent reverse conveying rollers is smaller than the diameter of a spherical component, an S-shaped conveying track is formed on each reverse conveying roller from the feed inlet to the discharge outlet, a plurality of lasers are arranged at the top of the working chamber along the conveying direction of the reverse conveying rollers and are electrically connected with the controller, a target seat capable of placing a silicon substrate or an aluminum substrate is fixedly connected at the focal position of each laser in the working chamber, an included angle of 45-75 degrees is formed between the target seat and the horizontal plane, an oxygen inlet is arranged at the bottom of the working chamber, and an air, and a defective product detection device is arranged at the position of the discharge port in the working chamber.

2. The laser chemical vapor deposition ceramic layer production line of the lightning protection device spherical component according to claim 1, characterized in that: the oxygen concentration tester and the thermocouple sensor are arranged in the working chamber, the heating rod is arranged above the silicon substrate or the aluminum substrate in the working chamber, and the oxygen concentration tester, the thermocouple sensor and the heating rod are respectively electrically connected with the controller.

3. The laser chemical vapor deposition ceramic layer production line for the spherical lightning protection device component according to claim 2, wherein: the air filtering device comprises a gas collecting hood arranged above the discharge port, a gas conveying pipe is connected onto the gas collecting hood, a filtering box body and a fan are sequentially arranged on the gas conveying pipe along the running direction of gas, the fan is electrically connected with the controller, and a filtering screen is arranged in the filtering box body.

4. the laser chemical vapor deposition ceramic layer production line of the lightning protection device spherical component according to claim 3, characterized in that: the single-layer feeding device comprises an inclined material guide plate extending to the position of the feeding hole, the upper end of the inclined material guide plate is fixedly connected with a baffle, the baffle and the inclined material guide plate form a hopper with an upper end opening, and a discharging hole for a single spherical part to pass through is formed between the lower end of the baffle corresponding to the position of the feeding hole and the inclined material guide plate.

5. The laser chemical vapor deposition ceramic layer production line of the lightning protection device spherical component according to claim 4, characterized in that: the working chamber is located the discharge gate end and is connected with the feeding belt outward, the discharge end of feeding belt is provided with the finished product and receives the workbin, one side of feeding belt is provided with the defective products and receives the workbin.

6. the laser chemical vapor deposition ceramic layer production line of the lightning protection device spherical component according to claim 5, characterized in that: defective products detection device includes product positioning mechanism and thickness measurement robotic arm and defective products centre gripping robotic arm that is located product positioning mechanism top, thickness measurement robotic arm has linked firmly the calibrator on the thickness measurement robotic arm, and thickness measurement robotic arm and product positioning mechanism adjust well from top to bottom, one side and thickness measurement calibrator and product positioning mechanism position of pay-off belt correspond the department and are provided with position sensor, wherein, product positioning mechanism is for setting up centre gripping robotic arm or the vertical electromagnetic chuck in pay-off belt middle part top, thickness measurement robotic arm, defective products centre gripping robotic arm, vertical electromagnetic chuck and position sensor are connected with the controller electricity respectively.

7. The laser chemical vapor deposition ceramic layer production line of the lightning protection device spherical component according to claim 6, characterized in that: the laser is a green laser, a fiber laser or an ultraviolet laser, and the oxygen inlet is positioned at one end of the bottom of the working chamber close to the feed inlet.

8. the laser chemical vapor deposition ceramic layer production line of the lightning protection device spherical component according to claim 7, characterized in that: a group of partition plates are arranged on each reverse conveying roller, and the partition plates on the reverse conveying rollers are sequentially butted to form an S-shaped conveying track.

9. the laser chemical vapor deposition ceramic layer production line of the lightning protection device spherical component according to claim 8, characterized in that: and the feed inlet and the discharge outlet are respectively provided with a flexible blocking curtain.

10. A process for the production of a laser chemical vapor deposition ceramic layer on a laser chemical vapor deposition ceramic layer of a spherical lightning protection device according to any one of claims 2 to 9, characterized in that: it comprises the following steps:

(1) introducing oxygen into the working chamber through an oxygen inlet, detecting the oxygen content in the working chamber through an oxygen concentration tester, detecting the temperature in the working chamber through a thermocouple sensor, heating the gas environment in the working chamber through a heating rod after the oxygen concentration in the working chamber reaches 90%, controlling the temperature in the working chamber to be 500-600 ℃ by adopting the thermocouple sensor, and turning on a laser and a fan;

(2) Adjusting the power and defocusing amount of the laser to enable the silicon substrate or the aluminum substrate irradiated by the laser to generate a sublimation phenomenon;

(3) After being subjected to oil removal, rust removal and drying treatment, the spherical parts are conveyed into a hopper within 2 hours, and the spherical parts in the hopper enter reverse conveying rollers in a working chamber one by one along an inclined material guide plate and gradually move to a discharge port along with the reverse conveying rollers;

(4) Sublimed silicon vapor or aluminum vapor reacts with oxygen in the working chamber to generate or is cooled and deposited on the surface of a continuously rolling spherical part to form a compact non-conductive ceramic membrane, and the thickness of the ceramic membrane is 2-5 mu m;

(5) When the spherical part with the ceramic film formed on the surface runs to the discharge port, the spherical part is detected by a defective product detection device, if the spherical part is qualified, the spherical part is output to a finished product receiving box, and if the spherical part is unqualified, the spherical part is output to a defective product receiving box.

Technical Field

The invention relates to a laser chemical vapor deposition ceramic layer production line and a production process of a spherical component of a lightning protection device, belonging to the technical field of surface treatment of spherical components.

Background

Because the overhead insulated conductor has no ground wire, the disconnection fault often happens when the overhead insulated conductor is struck by lightning, in the arc striking rod of the multi-cavity lightning arrester used currently, the gap of 10-15 μm between spherical parts (stainless steel balls) releases high voltage caused by the lightning, and the gaps between the spherical parts and the discharge rod are ensured manually during installation, so that the precision of the installation gap cannot be ensured, which is the defect existing in the prior art.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides a production line and a production process of a laser chemical vapor deposition ceramic layer of a spherical part of a lightning protector.

the scheme is realized by the following technical measures: the laser chemical vapor deposition ceramic layer production line for the spherical component of the lightning protection device comprises a controller and a working chamber, wherein a feed inlet and a discharge outlet are respectively arranged on two opposite sides of the working chamber, a single-layer feeding device is arranged at the position, located at the feed inlet, of the outer side of the working chamber, a plurality of mutually parallel reverse conveying rollers are uniformly arranged in the working chamber from the feed inlet to the discharge outlet, the distance between every two adjacent reverse conveying rollers is smaller than the diameter of the spherical component, an S-shaped conveying track is formed on each reverse conveying roller from the feed inlet to the discharge outlet, a plurality of lasers are arranged at the top of the working chamber along the conveying direction of the reverse conveying rollers, the lasers are electrically connected with the controller, a target seat capable of placing a silicon substrate or an aluminum substrate is fixedly connected at the focus position of each laser in the working chamber, and an included angle of 45, the bottom of studio is provided with the oxygen entry, the discharge gate end intercommunication of studio has air filter, it is provided with defective products detection device to be located discharge gate department in the studio.

preferably, an oxygen concentration tester and a thermocouple sensor are arranged in the working chamber, a heating rod is arranged above the silicon substrate or the aluminum substrate in the working chamber, and the oxygen concentration tester, the thermocouple sensor and the heating rod are respectively and electrically connected with the controller.

Preferably, the air filtering device comprises a gas collecting hood arranged above the discharge port, a gas conveying pipe is connected to the gas collecting hood, a filtering box body and a fan are sequentially arranged on the gas conveying pipe along the running direction of gas, the fan is electrically connected with the controller, and a filtering screen is arranged in the filtering box body.

Preferably, the single-layer feeding device comprises an inclined material guide plate extending to the feeding port, the upper end of the inclined material guide plate is fixedly connected with a baffle, the baffle and the inclined material guide plate form a hopper with an upper end being open, and a discharging port for allowing a single spherical part to pass through is formed between the lower end of the baffle corresponding to the feeding port and the inclined material guide plate.

Preferably, the end that is located the discharge gate outside the studio is connected with the pay-off belt, the discharge gate of pay-off belt is provided with the finished product and receives the workbin, one side of pay-off belt is provided with the defective products and receives the workbin.

Preferably, defective products detection device includes product positioning mechanism and thickness measurement robotic arm and defective products centre gripping robotic arm that are located product positioning mechanism top, the last thickness gauge that has linked firmly of thickness measurement robotic arm, and thickness measurement robotic arm and product positioning mechanism adjust well from top to bottom, one side and thickness gauge and the product positioning mechanism position of pay-off belt correspond the department and be provided with position sensor, wherein, product positioning mechanism is for setting up centre gripping robotic arm or the vertical electromagnetic chuck in pay-off belt middle part top, thickness measurement robotic arm, defective products centre gripping robotic arm, vertical electromagnetic chuck and position sensor are connected with the controller electricity respectively.

preferably, the laser is a green laser, a fiber laser or an ultraviolet laser, and the oxygen inlet is located at one end of the bottom of the working chamber close to the feed port.

Preferably, each reverse conveying roller is provided with a group of partition plates, and the partition plates on the reverse conveying rollers are sequentially butted to form an S-shaped conveying track.

Preferably, the feed inlet and the discharge outlet are respectively provided with a flexible blocking curtain.

The invention also provides a production process of the laser chemical vapor deposition ceramic layer production line of the spherical lightning protection device component with at least one technical characteristic, which comprises the following steps:

(1) Introducing oxygen into the working chamber through an oxygen inlet, detecting the oxygen content in the working chamber through an oxygen concentration tester, detecting the temperature in the working chamber through a thermocouple sensor, heating the gas environment in the working chamber through a heating rod after the oxygen concentration in the working chamber reaches 90%, controlling the temperature in the working chamber to be 500-600 ℃ by adopting the thermocouple sensor, and turning on a laser and a fan;

(2) Adjusting the power and defocusing amount of the laser to enable the silicon substrate or the aluminum substrate irradiated by the laser to generate a sublimation phenomenon;

(3) After being subjected to oil removal, rust removal and drying treatment, the spherical parts are conveyed into a hopper within 2 hours, and the spherical parts in the hopper enter reverse conveying rollers in a working chamber one by one along an inclined material guide plate and gradually move to a discharge port along with the reverse conveying rollers;

(4) Sublimed silicon vapor or aluminum vapor reacts with oxygen in the working chamber to generate or is cooled and deposited on the surface of a continuously rolling spherical part to form a compact non-conductive ceramic membrane, and the thickness of the ceramic membrane is 2-5 mu m;

(5) When the spherical part with the ceramic film formed on the surface runs to the discharge port, the spherical part is detected by a defective product detection device, if the spherical part is qualified, the spherical part is output to a finished product receiving box, and if the spherical part is unqualified, the spherical part is output to a defective product receiving box.

The invention has the beneficial effects that in the production line and the production process of the laser chemical vapor deposition ceramic layer of the spherical part of the lightning protector, the silicon substrate or the aluminum substrate is sublimated by the irradiation of the laser, the sublimated silicon vapor or aluminum vapor reacts with oxygen in a working chamber to generate or is cooled and deposited on the surface of the continuously rolling spherical part to form a compact non-conductive ceramic film, the spherical part can be effectively and tightly wrapped by the ceramic film, the phenomenon of oxidation and corrosion of the spherical part in the air can be fundamentally prevented, the gapless installation of the spherical part can be realized by the high resistance capacity provided by the ceramic film, the uncontrollable quality problem of manual installation in the prior art is fundamentally solved, the automatic flow operation is realized, and the one-time preparation, one-time cooling and the like of the insulating layer on the surface of the spherical part can be realized, Automatic detection of quality and automatic classification of good and waste products. Therefore, compared with the prior art, the invention has prominent substantive features and remarkable progress, and the beneficial effects of the implementation are also obvious.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a schematic view of the arrangement of the S-shaped conveying track on the reverse conveying roller.

Fig. 3 is a schematic structural diagram of the lightning protection device.

fig. 4 is a schematic structural diagram of an arc striking rod.

In the figure, 1-a hopper, 2-a laser, 3-a working chamber, 4-a defective product detection device, 5-a discharge port, 6-a gas collecting hood, 7-a filter screen, 8-a filter box body, 9-a gas conveying pipe, 10-a fan, 11-a spherical part, 12-a reverse conveying roller, 13-an oxygen inlet, 14-a feed port, 15-a discharge port, 16-a baffle, 17-an inclined guide plate, 18-an S-shaped conveying track, 19-an air filter device, 20-a target seat, 21-a baffle, 22-a finished product receiving box, 23-a defective product clamping mechanical arm, 24-a thickness measuring mechanical arm, 25-a product positioning mechanism, 26-a defective product receiving box, 27-a thermocouple sensor and 28-a heating rod, 29-oxygen concentration tester, 30-feeding belt, 31-lightning protection device, 311-wire clamping groove, 312-discharge rod, 313-arc striking end, 314-arc striking rod, 315-insulator, 316-core rod, 317-release hole and 318-conductive head.

Detailed Description

In order to clearly illustrate the technical features of the present solution, the following explains the present solution by way of specific embodiments and with reference to the accompanying drawings.

A laser chemical vapor deposition ceramic layer production line for a spherical component of a lightning protection device comprises a controller and a working chamber 3, wherein an oxygen concentration tester 29 and a thermocouple sensor 27 are arranged in the working chamber 3, a heating rod 28 is arranged above a silicon substrate or an aluminum substrate in the working chamber 3, preferably, the heating rod 28 is a ceramic heating rod, and the oxygen concentration tester 29, the thermocouple sensor 27 and the heating rod 28 are respectively and electrically connected with the controller. The structure of the oxygen concentration tester 29 is the prior art, such as a fixed pump suction type oxygen detector with model number YT-95H-B-O2 produced by shenzhen yurt technologies ltd, the oxygen concentration tester 29 detects the oxygen concentration in the working chamber 3 and feeds the detected structure back to the controller, the thermocouple sensor 27 detects the temperature in the working chamber 3 and feeds the detected structure back to the controller, the controller controls the operation of the heating rod 28 according to the result fed back by the thermocouple sensor 27, the heating rod 28 heats the gas environment in the working chamber 3 and controls the temperature in the working chamber 3 to be kept between 500 ℃ and 600 ℃, and when the temperature in the working chamber 3 meets the requirements, the controller controls the laser 2 and the fan 10 to be started.

The two opposite sides of the working chamber 3 are respectively provided with a feeding port 14 and a discharging port 5, the feeding port 14 and the discharging port 5 are respectively provided with a flexible blocking curtain, the flexible blocking curtains can ensure that the spherical component 11 can smoothly enter and exit the working chamber 3, and can prevent dust from entering the working chamber 3 to influence the combination quality of a deposition layer and the formation quality of a ceramic membrane. The utility model discloses a spherical component feeding device, including the slope stock guide 17 that extends to feed inlet 14 department, the baffle 16 has been linked firmly to the upper end of slope stock guide 17, baffle 16 forms upper end open-ended hopper 1 with slope stock guide 17 in the baffle 16, and forms the feed opening 15 that supplies single spherical component to pass through between the lower extreme that corresponds the department in feed inlet 14 position in the baffle 16 and slope stock guide 17, adopts this kind of structural style after, feed opening 15 can guarantee spherical component 11 with single arranging mode entering work room 3 in the S-shaped delivery track 18 of individual layer, makes spherical component 11 single-layer list arrange and constantly roll on S-shaped delivery track 18 to guarantee that spherical component 11 surface can form even compact ceramic membrane.

A plurality of mutually parallel reverse conveying rollers 12 are uniformly arranged in the working chamber 3 from the feeding hole 14 to the discharging hole 5, the reverse conveying rollers 12 can prolong the retention time of the spherical part 11 in the working chamber 3 while ensuring that the spherical part 11 is conveyed to the discharging hole 5, conditions are created for forming a uniform and compact ceramic membrane on the surface of the spherical part 11, the distance between every two adjacent reverse conveying rollers 12 is smaller than the diameter of the spherical part 11 so as to ensure that the spherical part 11 cannot fall off from the reverse conveying rollers 12 and cannot be normally conveyed to the discharging hole 5, an S-shaped conveying track 18 is formed on each reverse conveying roller 12 from the feeding hole 14 to the discharging hole 5, the S-shaped conveying track 18 can further prolong the retention time of the spherical part 11 in the working chamber 3, specifically, a group of partition plates 21 are arranged on each reverse conveying roller 12, the partition plates 21 on each reverse conveying roller 12 are sequentially butted to form the S-shaped conveying track, the partition plates 21 can ensure that the spherical part 11 can move forwards along a set S-shaped track, the phenomenon of deviation is avoided, and the spherical part 11 can move orderly. The top of the working chamber 3 is provided with a plurality of lasers 2 along the conveying direction of the reverse conveying roller 12, the lasers 2 are green lasers (such as pumping YAG frequency doubling lasers), fiber lasers or ultraviolet lasers, the lasers 2 are electrically connected with a controller, a target base 20 capable of placing a silicon substrate or an aluminum substrate is fixedly connected at the focus position of each laser 2 in the working chamber 3, an included angle of 45-75 degrees is formed between the target base 20 and the horizontal plane, so that sputtered silicon vapor or aluminum vapor can be deposited to the spherical part 11 as much as possible, and the green lasers, the fiber lasers or the ultraviolet lasers can irradiate the silicon substrate or the aluminum substrate to enable the silicon substrate or the aluminum substrate to generate sublimation phenomenon. The bottom of the working chamber 3 is provided with an oxygen inlet 13, and preferably, the oxygen inlet 13 is positioned at one end of the bottom of the working chamber 3 close to the feed inlet 14 so as to reduce the loss of oxygen from the discharge outlet 5 as much as possible.

The air filter device 19 is communicated with the end 5 of the discharge hole of the working chamber 3, the air filter device 19 comprises a gas collecting hood 6 arranged above the discharge hole 5, a gas conveying pipe 9 is connected onto the gas collecting hood 6, a filter box body 8 and a fan 10 are sequentially arranged on the gas conveying pipe 9 along the running direction of gas, the fan 10 is electrically connected with the controller, and a filter screen 7 is arranged in the filter box body 8. The gas escaping from the working chamber 3 is collected from the discharge port 5 through the fan 10, the collected gas firstly enters the filtering box body 8 through the gas conveying pipe 9, and the gas is discharged after solid particles carried in the gas are filtered out through the filter screen 7, so that the solid particles carried in the gas are prevented from being directly discharged to cause powder pollution to the environment.

the end, located discharge gate 5, of the working chamber 3 is connected with a feeding belt 30, the discharge end of the feeding belt 30 is provided with a finished product receiving box 22, and one side of the feeding belt 30 is provided with a defective product receiving box 26. The spherical member 11 output from the reverse feed roller 12 in the working chamber 3 is fed from the discharge port 5 to the feed belt 30.

Be located discharge gate 5 department in the studio 3 and be provided with defective products detection device 4, detect the spherical part 11 that is formed with the ceramic membrane through defective products detection device 4 to the surface on the feeding belt 30, make certified products and defective products realize separately depositing, need not the artifical letter sorting in later stage, improved the operating efficiency. Particularly, defective products detection device 4 includes product positioning mechanism 25 and thickness measuring robotic arm 24 and defective products centre gripping robotic arm 23 that are located product positioning mechanism 25 top, thickness measuring instrument has been linked firmly on thickness measuring robotic arm 24, and thickness measuring robotic arm 24 and product positioning mechanism 25 are adjusted well from top to bottom, one side and thickness measuring instrument and the 25 position of product positioning mechanism of feeding belt 30 correspond the department and be provided with position sensor, wherein, product positioning mechanism 25 is for setting up centre gripping robotic arm or the vertical electromagnetic chuck in feeding belt 30 middle part top, thickness measuring robotic arm 24, defective products centre gripping robotic arm 23, centre gripping robotic arm, vertical electromagnetic chuck and position sensor are connected with the controller electricity respectively. The clamping mechanical Arm, the thickness measuring mechanical Arm 24 and the defective product clamping mechanical Arm 23 are structurally characterized by adopting the prior art, such as a four-axis man-machine cooperative mechanical Arm with a model of Z-Arm produced by Hui Ling technology (Shenzhen) Limited company, the vertical electromagnetic chuck is structurally characterized by adopting the prior art, such as a sucker type electromagnet with a model of XDA-34/25 produced by Zhejiang Xinghao electric Limited company, and the thickness gauge is structurally characterized by adopting the prior art, such as a coating and plating thickness gauge with a model of CM10F produced by British elcometer company. When the spherical component 11 (i.e. the stainless steel ball) on the feeding belt 30 runs to the clamping mechanical arm or the vertical electromagnetic chuck, the position sensor feeds corresponding information back to the controller, the controller controls the clamping mechanical arm to clamp the spherical component 11 or the vertical electromagnetic chuck is electrified to adsorb the spherical component 11, then the controller controls the thickness measuring mechanical arm 24 to move downwards to enable the thickness measuring instrument to contact with the spherical component 11, the thickness of the settled layer on the surface of the spherical component 11 is measured by the thickness measuring instrument, the measurement result is fed back to the controller, when the thickness of the settled layer on the surface of the spherical component 11 meets the requirement, the controller controls the clamping mechanical arm to release the spherical component 11 or power off the vertical electromagnetic chuck, the spherical component 11 is conveyed to the finished product receiving box 22 along the feeding belt 30, if the thickness of the settled layer on the surface of the spherical component 11 does not meet the requirement, the controller controls the defective product clamping mechanical arm 23 to clamp the spherical, and the clamping mechanical arm is enabled to loosen the spherical part 11 or the vertical electromagnetic chuck is powered off, and the spherical part 11 is sent to a defective product receiving box 26 through a defective product clamping mechanical arm 23.

the invention also provides a production process of the laser chemical vapor deposition ceramic layer production line of the spherical lightning protection device component with at least one technical characteristic, which comprises the following steps:

(1) introducing oxygen into the working chamber 3 through an oxygen inlet 13, detecting the oxygen content in the working chamber 3 through an oxygen concentration tester 29, detecting the temperature in the working chamber 3 through a thermocouple sensor 27, heating the gas environment in the working chamber 3 through a heating rod 28 when the oxygen concentration in the working chamber 3 reaches 90%, controlling the temperature in the working chamber 3 to be 500-600 ℃ through the thermocouple sensor 27, and turning on the laser 2 and the fan 10;

(2) The power and the defocusing amount of the laser 2 are adjusted to generate sublimation phenomena of the silicon substrate or the aluminum substrate irradiated by the laser 2, such as: when the inclination angle of the target holder 20 with respect to the horizontal plane is 45 °, if a silicon substrate is placed on the target holder 20, a green laser with power of 10W is used to irradiate the silicon substrate at the focal position; when the inclination angle of the target holder 20 relative to the horizontal plane is 45 °, if an aluminum substrate is placed on the target holder 20, a fiber laser with power of 500W is used to irradiate the aluminum substrate at the focal position;

(3) After being subjected to oil removal, rust removal and drying treatment, the spherical parts 11 are conveyed into the hopper 1 within 2 hours, the spherical parts 11 in the hopper 1 enter the reverse conveying rollers 12 in the working chamber 3 one by one along the inclined material guide plates 17 and gradually move to the discharge port 5 along with the reverse conveying rollers 12, so that secondary oxidation on the surfaces of the spherical parts 11 is prevented, and poor combination of deposited layers is caused;

(4) Sublimed silicon vapor or aluminum vapor reacts with oxygen in the working chamber 3 to generate or is cooled and deposited on the surface of the continuously rolling spherical part 11 to form a compact non-conductive ceramic membrane, the thickness of the ceramic membrane is 2-5 mu m, the ceramic membrane can effectively and tightly wrap the spherical part 11 to prevent the spherical part 11 from being oxidized and rusted when being placed in the air, meanwhile, due to the high resistance capacity provided by the ceramic membrane, the gapless installation of the spherical part 11 in the arc striking rod 314 of the lightning protector 31 can be realized, the problem of uncontrollable quality of manual installation in the prior art is fundamentally solved, and automatic water flowing operation is realized;

(5) When the spherical part 11 with the ceramic film formed on the surface runs to the discharge port 5, the defective product detection device 4 detects the spherical part 11, if the spherical part is qualified, the spherical part is output to the finished product receiving box 22, and if the spherical part is unqualified, the spherical part is output to the defective product receiving box 26.

Technical features not described in the present invention can be implemented by the prior art, and are not described in detail herein. The present invention is not limited to the above-described embodiments, and variations, modifications, additions and substitutions which are within the spirit of the invention and the scope of the invention may be made by those of ordinary skill in the art are also within the scope of the invention.