An automobile lamp shell local coating tool

Abstract

The present application relates to the field of automobile lamp coating, especially to a local coating tool for automobile lamp shell, a metal vapor generating box, and two groups of vertical fixing rods are fixedly installed at the top of the metal vapor generating box, and two groups of installation rods are arranged in the metal vapor generating box. Through the setting of the shell adsorption assembly, the special-shaped curved surface automobile lamp shell can be conveniently adsorbed and randomly rotated and adjusted, and the lamp shell is always in contact with the coating hole or the threaded nozzle through the setting of the buffer assembly, so that the effective coating treatment of the contact area is ensured, the coating process is conveniently controlled by human, the material for coating can be conveniently sprayed in the form of vapor from the coating hole or the threaded nozzle, the utilization rate of the coating raw material is improved, the utilization rate of the coating raw material is improved, and accurate guarantee for local coating treatment is provided, which is convenient for actual coating use.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of automobile lamp coating, in particular to a local coating tool for automobile lamp shell. BACKGROUND

[0002] In order to improve the lighting function and appearance of the automobile lamp, a vacuum aluminum coating process is usually used. This technology is a special vacuum coating system, which evaporates aluminum material at a temperature of 900 DEG C to form a molecular state, and then adsorbs / covers the surface of the reflector, decorative frame and other parts of the automobile lamp to form an aluminum film layer with a thickness of 0.8-1.2 microns, so that the surface of the part has the properties and effects of wear resistance, high temperature resistance, corrosion resistance, oxidation resistance and decoration.

[0003] During the actual coating process of the automobile lamp shell, local or full-range coating treatment is required, but the existing automobile lamp shell is a special curved surface. During the actual coating process, the inside and outside of the shell are easily damaged by the equipment during the local coating process, which affects the actual coating effect. SUMMARY

[0004] The purpose of the present application is to solve the problems in the prior art and provide a local coating tool for automobile lamp shell.

[0005] In order to achieve the above purpose, the present application adopts the following technical scheme:

[0006] A local coating tool for automobile lamp shell, comprising a metal vapor generating box, two groups of vertical fixed rods are fixedly installed at the top of the metal vapor generating box, two groups of installation rods are arranged in the metal vapor generating box, heating wires are arranged between the installation rods for heating, which provides a prerequisite for the generation of metal vapor for coating;

[0007] A heating container for containing metal powder is fixedly installed above the heating wires in the metal vapor generating box, a sealing plate for sealing is installed on the inner side of the metal vapor generating box, an absorption cover is arranged above the sealing plate, a coating hole is arranged in the middle of the top of the metal vapor generating box, and the effective concentration of metal vapor is realized by cooperating with the heating container, which provides guarantee for the actual coating process;

[0008] The shell adsorption assembly is slidably arranged on the fixed rod, and the shell adsorption assembly comprises a mounting plate slidably arranged outside the fixed rod, a circular through hole is formed in the center of the inner side of the mounting plate, an annular sliding groove is formed in the inner wall of the circular through hole, an adsorption adjusting assembly is slidably arranged at the annular sliding groove of the mounting plate, and a shell adsorption head for adsorbing the shell of the automobile lamp is mounted at the bottom end of the adsorption adjusting assembly, so that the shell of the automobile lamp with different shapes can be conveniently adsorbed and fixed, and the actual coating work is facilitated.

[0009] The threaded spray head can be threadedly mounted at the coating hole, so that the inner side of the concave shell of the automobile lamp can be conveniently coated.

[0010] As a preferred technical solution of the present application, the adsorption adjusting assembly comprises a mounting ring concentrically arranged on the circular through hole of the mounting plate, a center circular table is fixedly connected to the center of the mounting ring through a connecting rod, a buffer assembly is connected to the bottom end of the center circular table, and a shell adsorption head is mounted at the bottom end of the buffer assembly, so that the shell of the automobile lamp can be more conveniently adsorbed and fixed.

[0011] One end of the air pump is connected with a gas guide pipe communicated with the shell adsorption head, so that the negative pressure adsorption state of the shell adsorption head can be conveniently controlled, the actual shell adsorption work is facilitated, the adsorption process is conveniently controlled, and the actual coating work is facilitated.

[0012] As a preferred technical solution of the present application, the two sides of the mounting ring are symmetrically rotatably provided with rotating shaft rods penetrating into the annular sliding groove of the fixed rod. Through the arrangement of the two groups of rotating shaft rods, the adsorption adjusting assembly effectively plays the role of rotating shaft when rotating, and can ensure stable rotation adjustment of the adsorption adjusting assembly in the mounting plate, so as to randomly adjust the angle of the adsorbed and fixed shell of the automobile lamp, and facilitate the need of coating work.

[0013] As a preferred technical solution of the present application, the fixed plate is fixedly installed on the rotating shaft rod, and two groups of resisting screws are threadedly penetrated in the fixed plate, and the resisting screws effectively resist the inner wall of the mounting plate, so as to ensure that the position of the adsorption adjusting assembly is locked, so that the rotating axis of the whole adsorption adjusting assembly is effectively locked during the adjustment process, and the actual operation is facilitated.

[0014] The holding ring is fixedly installed on the side of the top end of the mounting ring away from the air pump, and the line between the holding ring and the center of the mounting ring is in orthogonal relationship with the lines of the two groups of rotating shaft rods, so that the adsorption adjusting assembly can be conveniently controlled through the holding ring when rotating work is performed on the rotating shaft formed by the lines of the rotating shaft rods, and the actual operation is facilitated.

[0015] As a preferred technical solution of the present application, the buffer assembly comprises a fixed tube fixedly connected to the bottom end of the central circular truncated cone, the bottom end of the fixed tube is open, and a telescopic rod is inserted at the opening, the bottom end of the telescopic rod is connected to the shell adsorption head, and a anti-falling plate is fixedly installed at the inner top end of the fixed tube, and a spring is sleeved on the outer side of the anti-falling plate and bonded to the inner wall of the bottom end of the fixed tube and the anti-falling plate, thereby ensuring that the automobile lamp shell can be stably in effective contact with the plating hole or threaded nozzle below during the adsorption plating process, and the actual plating effect is ensured.

[0016] As a preferred technical solution of the present application, the two sides of the mounting plate are fixedly installed with holding handles for holding and adjusting, which facilitates actual holding and adjusting.

[0017] The two sides of the mounting plate are provided with clamping rods inside the holding handles, and a plurality of groups of through holes adapted to the clamping rods are uniformly opened in the vertical direction on the fixed rod, a reset spring connected to the side surface of the mounting plate is sleeved on the outer side of the clamping rod, so that the mounting plate is inserted into the fixed rod under the action of the clamping rod, the position of the overall shell adsorption assembly is effectively locked, the height adjustment is facilitated, and the shell size can be adjusted according to the automobile.

[0018] As a preferred technical solution of the present application, the heating container comprises a heating bin fixedly arranged above the heating wire, the top of the heating bin is provided with a holding groove for holding metal powder, guide grooves are opened in the length direction on the inner walls of the two sides of the holding groove, and a scraping plate for combing is slidingly arranged at the guide grooves, the scraping plate comprises a scraping comb plate, guide rods are fixedly connected to the two ends of the scraping comb plate and inserted into the guide grooves, and an adjusting screw rod is threadedly penetratingly arranged in the middle of the scraping comb plate, so that the movement of the scraping plate is realized under the action of the torque and the guide of the guide rods, and effective guarantee is provided for the combing of the metal powder.

[0019] One end of the adjusting screw rod extends to the outer side of the metal vapor generating box, and a motor for driving the adjusting screw rod is arranged on the outer side of the metal vapor generating box, so as to facilitate the control of the movement of the scraping plate and provide convenience for actual work.

[0020] As a preferred technical solution of the present application, a feeding pipe is penetratingly arranged on the upper side of the metal vapor generating box, one end of the feeding pipe inside the metal vapor generating box is inclined to the holding groove on the heating bin, and a control valve is arranged on the feeding pipe, so as to more conveniently control the introduction of the metal raw material for plating and provide convenience for the material supply of actual work.

[0021] As a preferred technical scheme of the present application, the inner wall of the top end of the metal vapor generating box is provided with an air extractor connected with the film coating hole and the absorption cover, thereby conveniently controlling the centralized pumping of the metal vapor and providing stable guarantee for the actual film coating process.

[0022] The present application has the following advantages:

[0023] 1. In actual use, the shell adsorption assembly can conveniently adsorb the shell of the automobile lamp with a special-shaped curved surface, and can be adjusted at any angle. The buffer assembly is arranged to make the shell of the lamp always contact the film coating hole or the threaded nozzle, thereby ensuring effective film coating treatment of the contact area and facilitating artificial control of the film coating process.

[0024] 2. The metal vapor generating box, heating wire, heating container and feeding pipe are arranged to conveniently spray the material for film coating in the form of vapor from the film coating hole or the threaded nozzle, improve the utilization rate of the film coating raw material, and provide accurate guarantee for local film coating treatment, facilitating actual film coating use. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 A structure schematic view of a local film coating tool for an automobile lamp shell is provided.

[0026] Figure 2 A structure schematic view of a shell adsorption assembly of a local film coating tool for an automobile lamp shell is provided.

[0027] Figure 3 A structure schematic view of an adsorption adjustment assembly of a local film coating tool for an automobile lamp shell is provided.

[0028] Figure 4 A Figure 3 structure schematic view of an enlarged structure at A in the middle is provided.

[0029] Figure 5 A sectional structure schematic view of a buffer assembly of a local film coating tool for an automobile lamp shell is provided.

[0030] Figure 6 A partial structure schematic view of a metal vapor generating box of a local film coating tool for an automobile lamp shell is provided.

[0031] Figure 7 A sectional structure schematic view of a metal vapor generating box of a local film coating tool for an automobile lamp shell is provided.

[0032] Figure 8 A structure schematic view of a heating container of a local film coating tool for an automobile lamp shell is provided.

[0033] Figure 9 A structure diagram of a scraping plate of a local coating tool for an automobile lamp shell is provided.

[0034] In the figure: 1, metal vapor generating box; 2, fixed rod; 3, threaded spray head; 4, shell adsorption assembly; 41, mounting plate; 42, holding handle; 43, clamping rod; 44, adsorption adjusting assembly; 441, mounting ring; 442, central circular table; 443, air pump; 444, air guide pipe; 445, holding ring; 446, buffer assembly; 4461, fixed pipe; 4462, telescopic rod; 447, shell adsorption head; 448, rotating shaft; 449, fixed plate; 4410, abutting screw; 5, feeding pipe; 6, mounting rod; 7, heating wire; 8, motor; 9, heating container; 91, heating bin; 92, adjusting screw; 93, scraping plate; 931, scraping comb plate; 932, guide rod; 10, absorption cover; 11, sealing plate; 12, coating hole; 13, air extractor. DETAILED DESCRIPTION

[0035] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all.

[0036] Reference Figure 1 and Figures 6-7 A local coating tool for an automobile lamp shell includes a metal vapor generating box 1, two groups of vertical fixed rods 2 are fixedly installed at the top end of the metal vapor generating box 1, two groups of mounting rods 6 are arranged inside the metal vapor generating box 1, and heating wires 7 for heating are arranged between the mounting rods 6 to provide a prerequisite for the generation of metal vapor for coating.

[0037] Reference Figures 6-7 A heating container 9 for containing metal powder is fixedly installed above the heating wires 7 inside the metal vapor generating box 1, a sealing plate 11 for plugging is installed on the inner side of the upper part of the metal vapor generating box 1, an absorption cover 10 is arranged above the sealing plate 11, a coating hole 12 is arranged at the middle of the top end of the metal vapor generating box 1, and the effective concentration of metal vapor is realized by cooperating with the heating container 9 to provide a guarantee for the actual coating process. An air extractor 13 connected with the coating hole 12 and the absorption cover 10 is arranged on the inner wall of the top end of the metal vapor generating box 1, so that the concentration of metal vapor can be conveniently controlled, and a stable guarantee is provided for the actual coating process.

[0038] Reference Figure 1 and Figures 8-9The heating container 9 comprises a heating bin 91 fixedly arranged above the heating wire 7, the top of the heating bin 91 is provided with a containing groove for containing metal powder, and guide grooves are formed in the two side inner walls of the containing groove along the length direction, and a scraping plate 93 for combing is slidingly arranged at the guide grooves, the scraping plate 93 comprises a scraping comb plate 931, the two ends of the scraping comb plate 931 are fixedly connected with guide rods 932 inserted into the guide grooves, and an adjusting screw rod 92 is threadedly penetrated in the middle of the scraping comb plate 931, so that the movement of the scraping plate 93 is realized under the torque and the guiding effect of the guide rods 932, and effective guarantee is provided for the combing of the metal powder; one end of the adjusting screw rod 92 extends to the outside of the metal vapor generating box 1, and the outside of the metal vapor generating box 1 is provided with a motor 8 for driving the adjusting screw rod 92, so that the movement of the scraping plate 93 is conveniently controlled, and convenience is provided for actual work.

[0039] A feeding pipe 5 is penetratingly arranged on the upper side of the metal vapor generating box 1, and one end of the feeding pipe 5 inside the metal vapor generating box 1 is inclined to the containing groove on the heating bin 91, and the feeding pipe 5 is provided with a control valve, so that the introduction of the metal raw material for coating is more conveniently controlled, and convenience is provided for the actual work.

[0040] Referring to Figure 1 and Figures 2-3 , the fixed rod 2 is slidingly sleeved with a shell adsorption assembly 4, the shell adsorption assembly 4 comprises a mounting plate 41 slidingly arranged on the outside of the fixed rod 2, a circular through hole is formed in the center of the inner side of the mounting plate 41, an annular sliding groove is formed in the inner wall of the circular through hole, and an adsorption adjusting assembly 44 is slidingly arranged in the annular sliding groove of the mounting plate 41, the bottom end of the adsorption adjusting assembly 44 is provided with a shell adsorption head 447 for adsorbing the shell of the automobile lamp, so that the shell of the automobile lamp of different shapes is conveniently adsorbed and fixed, and the actual coating work is conveniently carried out.

[0041] The two sides of the mounting plate 41 are fixedly provided with holding handles 42 for holding adjustment, which is convenient for actual holding adjustment; the two sides of the mounting plate 41 are provided with clamping rods 43 inside the holding handles 42, and a plurality of groups of penetrating through holes adapted to the clamping rods 43 are uniformly formed in the vertical direction of the fixed rod 2, the outer side of the clamping rod 43 is sleeved with a reset spring connected with the side of the mounting plate 41, so that the mounting plate 41 is effectively inserted with the fixed rod 2 under the action of the clamping rod 43, and the position of the whole shell adsorption assembly 4 is further effectively locked, which is convenient for height adjustment and convenient for adjusting according to the specific size of the shell of the automobile.

[0042] Referring to Figure 3 and Figure 5The adsorption adjusting assembly 44 comprises a mounting ring 441 concentrically arranged on the circular through hole of the mounting plate 41, a center circular table 442 fixedly connected to the center of the mounting ring 441 through a connecting rod, a buffer assembly 446 connected to the bottom end of the center circular table 442, and a shell adsorption head 447 mounted at the bottom end of the buffer assembly 446, so that the shell of the automobile lamp is more conveniently adsorbed and fixed.

[0043] The top end of the mounting ring 441 is fixedly installed with a gas pump 443, one end of the gas pump 443 is connected with a gas guide pipe 444 communicated with the shell adsorption head 447, so that the negative pressure adsorption state of the shell adsorption head 447 is conveniently controlled, the actual shell adsorption work is facilitated, the adsorption process is conveniently controlled, and the actual plating work is facilitated.

[0044] Referring to Figure 4 , the two sides of the mounting ring 441 are symmetrically rotatably provided with rotating shaft rods 448 penetrating the annular sliding grooves on the fixed rod 2. Through the arrangement of the two groups of rotating shaft rods 448, the adsorption adjusting assembly 44 effectively functions as a rotating shaft when rotating, and can stably rotate and adjust the adsorption adjusting assembly 44 in the mounting plate 41, so as to randomly adjust the angle of the adsorbed and fixed shell of the automobile lamp, and facilitate the needs of the plating work. The rotating shaft rods 448 are fixedly installed with fixed plates 449, and two groups of abutting screws 4410 are threadedly penetrated in the fixed plates 449. The abutting screws 4410 abut against the inner wall of the mounting plate 41, so as to lock the position of the adsorption adjusting assembly 44, so that the rotating axis of the whole adsorption adjusting assembly 44 is effectively locked during the adjusting process, and the actual operation is facilitated.

[0045] Referring to Figures 3-4 , the top end of the mounting ring 441 is fixedly installed with a holding ring 445 away from the gas pump 443, and the line connecting the holding ring 445 and the center of the mounting ring 441 is orthogonal to the lines connecting the two groups of rotating shaft rods 448, so that the adsorption adjusting assembly 44 can be conveniently controlled through the holding ring 445 when rotating on the rotating shaft formed by the lines connecting the rotating shaft rods 448, and the actual operation is facilitated.

[0046] Referring to Figure 1Also comprises a threaded spray head 3 which can be screwed into the coating hole 12, thereby facilitating the coating work on the inside of the concave shell of the automobile lamp.

[0047] Workflow: In actual use, first by placing the automobile lamp shell that needs to be coated in the lower part of the shell adsorption head 447, and then through the air pump 443, the shell adsorption head 447 is subjected to air extraction work, so that the shell adsorption head 447 is in a state of negative pressure, thereby effectively adsorbing the automobile lamp shell, then the operator holds the holding handle 42 and pulls the clamping rod 43, thereby the shell adsorption assembly 4 is unlocked with the fixed rod 2, thereby facilitating the up and down movement, providing convenience for the actual coating work.

[0048] After the position adjustment is completed, the metal material that needs to be coated is sent into the heating container 9 through the feed pipe 5, and then the heating wire 7 is energized. In this process, the motor 8 is started, so that the scraper plate 93 moves, realizing the effective spreading of the metal material, ensuring the uniform generation of metal vapor, and the metal vapor is sent to the coating hole 12 by the air extractor 13 and the absorption cover 10 and the sealing plate 11, providing convenience for the subsequent coating work.

[0049] When the area of the automobile lamp shell that needs to be coated is a convex curved surface, the automobile lamp shell can be effectively contacted with the metal vapor generator 1 on the metal vapor generator 1; when the area of the automobile lamp shell that needs to be coated is a concave curved surface, the threaded spray head 3 is installed at the coating hole 12, and the area of the automobile lamp shell that needs to be coated is contacted with the threaded spray head 3.

[0050] Then during the coating operation, rotate the adsorption adjustment assembly 44, so that the rotating shaft formed by the rotating shaft rod 448 is continuously adjusted, and after adjusting to the desired position, the rotating contact screw 4410 is locked, so that the rotating shaft of the adsorption adjustment assembly 44 is locked, then hold the holding ring 445, press or pull, so that the whole adsorption adjustment assembly 44 is deflected around the rotating shaft rod 448, and under the action of the buffer assembly 446, the adsorbed automobile lamp shell is in close contact with the coating hole 12 or the threaded spray head 3, and then the contact area is coated. Before coating, protective stickers can be attached to expose the area that needs to be coated, so that the area that needs to be coated is evenly coated, and the surrounding area is protected, thereby improving the coating effect. By continuously adjusting the position of the rotating shaft formed by the rotating shaft rod 448 on the shell adsorption assembly 4, the effective coating of the adsorbed automobile lamp shell is realized, and the coating effect is improved.

[0051] Finally, it should be noted that in the description of the present application, it should be noted that the terms "vertical", "upper", "lower", "horizontal" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0052] In the description of the present application, it should also be noted that unless otherwise explicitly specified and limited, the terms "arrangement", "installation", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0053] The above is only the preferred embodiment of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacements to some technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A local coating tool for an automobile lamp housing, comprising a metal vapor generating box (1), two groups of vertical fixed rods (2) are fixedly installed at the top end of the metal vapor generating box (1), characterized in that, The metal vapor generating box (1) is internally provided with two groups of mounting rods (6), and heating wires (7) for heating are arranged between the mounting rods (6); The metal vapor generating box (1) is internally provided with two groups of mounting rods (6), and heating wires (7) for heating are arranged between the mounting rods (6); The fixed rod (2) is slidably sleeved with a shell adsorption assembly (4), the shell adsorption assembly (4) comprises a mounting plate (41) slidably arranged on the outer side of the fixed rod (2), a circular through hole is formed in the inner side center of the mounting plate (41), an annular sliding groove is formed in the inner wall of the circular through hole, and an adsorption adjusting assembly (44) is slidably arranged in the annular sliding groove of the mounting plate (41), and a shell adsorption head (447) for adsorbing the shell of the automobile lamp is arranged at the bottom end of the adsorption adjusting assembly (44); It also comprises a threaded spray head (3) which can be threadedly installed at the film coating hole (12).

2. The local coating tool for an automobile lamp housing according to claim 1, wherein The adsorption adjusting assembly (44) comprises a mounting ring (441) which is concentrically arranged on the circular through hole of the mounting plate (41), a center circular table (442) is fixedly connected to the center of the mounting ring (441) through a connecting rod, a buffer assembly (446) is connected to the bottom end of the center circular table (442), and a shell adsorption head (447) is arranged at the bottom end of the buffer assembly (446); The top end of the mounting ring (441) is fixedly provided with an air pump (443), and one end of the air pump (443) is connected with a gas guide pipe (444) which is in communication with the shell adsorption head (447).

3. The local coating tool for an automobile lamp housing according to claim 2, wherein The two sides of the mounting ring (441) are rotatably provided with rotating shaft rods (448) which are arranged in the annular sliding grooves of the fixed rod (2).

4. The local coating tool for an automobile lamp housing according to claim 3, wherein The rotating shaft rods (448) are fixedly provided with a fixed plate (449), and two groups of resisting screws (4410) are threadedly arranged in the fixed plate (449), and the resisting screws (4410) are in effective resistance with the inner wall of the mounting plate (41); The top end of the mounting ring (441) is fixedly provided with a holding ring (445) which is away from the air pump (443), and the line between the holding ring (445) and the center of the mounting ring (441) is in orthogonal relationship with the lines of the two groups of rotating shaft rods (448).

5. The local coating tool for an automobile lamp housing according to claim 2, wherein The buffer assembly (446) includes a fixed tube (4461) fixedly connected with the bottom end of the center circular table (442), the bottom end of the fixed tube (4461) is open, and a telescopic rod (4462) is inserted at the opening, the bottom end of the telescopic rod (4462) is connected with the shell adsorption head (447), and the telescopic rod (4462) is fixedly installed with an anti-falling plate at the inner top end of the fixed tube (4461), and the outer side is sleeved with a spring bonded with the inner wall of the bottom end of the fixed tube (4461) and the anti-falling plate.

6. The local coating tool for an automobile lamp housing according to claim 1, wherein Both sides of the mounting plate (41) are fixedly installed with a holding handle (42) for holding adjustment; Both sides of the mounting plate (41) are provided with a clamping rod (43) inside the holding handle (42), and a plurality of groups of through holes adapted to the clamping rod (43) are uniformly opened in the vertical direction on the fixed rod (2), and the outer side of the clamping rod (43) is sleeved with a reset spring connected with the side of the mounting plate (41).

7. The local coating tool for an automobile lamp housing according to claim 1, wherein The heating container (9) includes a heating bin (91) fixedly arranged above the heating wire (7), the top of the heating bin (91) is provided with a holding groove for holding metal powder, and guide grooves are opened in the length direction on the inner walls of the two sides of the holding groove, and a scraping plate (93) for combing is slidingly arranged at the guide groove, the scraping plate (93) includes a scraping comb plate (931), the two ends of the scraping comb plate (931) are fixedly connected with guide rods (932) inserted into the guide grooves, and an adjusting screw rod (92) is threadedly penetrated in the middle of the scraping comb plate (931); One end of the adjusting screw rod (92) extends to the outside of the metal vapor generating box (1), and the outside of the metal vapor generating box (1) is provided with a motor (8) for driving the adjusting screw rod (92).

8. The local coating tool for an automobile lamp housing according to claim 7, wherein A feeding pipe (5) is penetratingly arranged on the upper side of the metal vapor generating box (1), one end of the feeding pipe (5) inside the metal vapor generating box (1) is inclined to the holding groove on the heating bin (91), and the feeding pipe (5) is provided with a control valve.

9. The local coating tool for an automobile lamp housing according to claim 1, wherein The inner wall of the top end of the metal vapor generating box (1) is provided with an air extractor (13) connected with the film coating hole (12) and the absorption cover (10).

Images