阅读说明：本技术 一种用于风力发电机舱罩的胶衣喷涂生产线 (Gel coat spraying production line for wind power generator cabin cover ) 是由 肖海祥 于 2021-07-20 设计创作，主要内容包括：本发明公开了一种用于风力发电机舱罩的胶衣喷涂生产线,涉及风力发电机舱罩生产设备领域,包括安装箱体,所述安装箱体的顶部设有吊架,所述吊架的两个侧面设有对称的将吊架与安装箱体连接的换向组件,所述换向组件用于调整安装箱体的使用角度,所述安装箱体的侧面固定胶衣喷头,所述胶衣喷头的下方设有舱罩模面清理装置,所述模面清理装置的下方连接有空气加热装置,所述模面清理装置在清理舱罩模具模面的同时会带动空气加热装置将空气加热,所述空气加热装置的前端连接有热空气喷嘴,所述吊架安装在移动滑轨的下方,所述移动滑轨用于带动整个安装箱体以及安装在安装箱体内的部件进行移动。(The invention discloses a gel coat spraying production line for a cabin cover of a wind driven generator, which relates to the field of production equipment of the cabin cover of the wind driven generator and comprises an installation box body, the top of the mounting box body is provided with a hanging bracket, two side surfaces of the hanging bracket are provided with reversing components which are symmetrical and connect the hanging bracket with the mounting box body, the reversing component is used for adjusting the use angle of the installation box body, the side surface of the installation box body is fixed with a gel coat spray head, a cabin cover die surface cleaning device is arranged below the gel coat spray head, an air heating device is connected below the die surface cleaning device, the die surface cleaning device can drive the air heating device to heat the air while cleaning the die surface of the cabin cover die, the front end of the air heating device is connected with a hot air nozzle, the hanging bracket is arranged below the movable slide rail, the movable slide rail is used for driving the whole installation box body and parts installed in the installation box body to move.)

1. The utility model provides a gel coat spraying production line for wind power generator cabin cover which characterized in that: the device comprises an installation box body (1), wherein a hanging bracket (2) is arranged at the top of the installation box body (1), two side faces of the hanging bracket (2) are provided with symmetrical reversing components (3) for connecting the hanging bracket (2) with the installation box body (1), the reversing components (3) are used for adjusting the use angle of the installation box body (1), a gel coat spray head (4) is fixed on the side face of the installation box body (1), a cabin cover mold face cleaning device (5) is arranged below the gel coat spray head (4), an air heating device (6) is connected below the mold face cleaning device (5), the mold face cleaning device (5) can drive the air heating device (6) to heat air while cleaning the mold face of a cabin cover mold (7), the front end of the air heating device (6) is connected with a hot air nozzle (8), and the hanging bracket (2) is arranged below a movable slide rail (9), the movable sliding rail (9) is used for driving the whole installation box body (1) and parts installed in the installation box body (1) to move.

2. A gel coat spray line for wind turbine nacelle covers as claimed in claim 1, wherein: the reversing assembly (3) comprises an electric ejector rod (31), a first connecting rod (32) and a second connecting rod (33), the electric ejector rod (31) is fixed to the side face of the hanging bracket (2), the top end of the first connecting rod (32) is connected to an output shaft of the electric ejector rod (31), the bottom end of the first connecting rod (32) is hinged to the front end of the second connecting rod (32), the middle position of the second connecting rod (32) is rotatably connected to the side face of the installation box body (1), and the rear end of the second connecting rod (32) is rotatably connected to the side face of the installation box body (1).

3. A gel coat spray line for wind turbine nacelle covers as claimed in claim 1, wherein: the gel coat spray head (4) is connected in an external gel coat liquid pool through a gel coat liquid pipeline (41).

4. A gel coat spray line for wind turbine nacelle covers as claimed in claim 1, wherein: the die surface cleaning device (5) comprises a motor (51), a gear set (52), a power wheel (53), a tension wheel (54), a cleaning wheel (55) and a felt (56), the motor (51) is fixed on a mounting seat plate (57) in the mounting box body (1), the gear set (52) connects an output shaft of the motor (51) with the power wheel (53), two ends of the power wheel (53), the tension wheel (54) and the cleaning wheel (55) are respectively and rotatably arranged on two side surfaces of the mounting box body (1), the felt (56) is wound on the power wheel (53), the tension wheel (54) and the cleaning wheel (55), the felt (56) extends out of the surface of the box body (1) along with the cleaning wheel (55), a plurality of felt convex pads (58) are uniformly fixed on the outer surface of the felt (56), and soft rubber strips are sewn in the felt convex pads (58) for supporting.

5. A gel coat spray line for wind turbine nacelle covers as claimed in claim 4, wherein: the air heating device (6) comprises an upper friction plate (61), a lower friction plate (62), a plurality of friction wheels (63) and a heat preservation box (64), wherein two ends of the upper friction plate (61) and the lower friction plate (62) are respectively fixed on two side surfaces of the installation box body (1), the upper friction plate (61) and the lower friction plate (62) are made of wear-resistant rubber, a gap between the upper friction plate and the lower friction plate is smaller than the thickness of the felt convex pad (58), the friction wheels (63) are obliquely arranged, the friction wheels (63) are provided with a plurality of shifting buttons (65), the shifting button (65) at the higher end of the friction wheels (63) caused by inclination is higher than the lower friction plate (62) and is in contact with the felt convex pad (58), the friction wheels (63) are rotatably arranged on a heat conduction plate (67) below the friction wheels, the heat conduction plate (67) is provided with a friction pad (68) which is obliquely arranged as same as the friction wheels (63), friction wheel (63) and friction pad (68) in close contact with, the both ends of heat-conducting plate (67) are fixed in heat preservation box (64), install in installation box (1) heat preservation box (64), intake pipe (66) are installed to the rear of heat preservation box (64).

6. A gel coat spray line for wind turbine nacelle covers as claimed in claim 1, wherein: and the direction of the hot air nozzle (8) and the direction of the gel coat nozzle (4) are respectively provided with a 45-degree included angle.

7. A gel coat spray line for wind turbine nacelle covers as claimed in claim 4, wherein: the dust collection box is characterized in that a plurality of poking plates (11) are arranged on the inner side face of the installation box body (1), the farthest ends of the poking plates (11) are in contact with felt convex pads (58), a dust collection box (12) is arranged below the poking plates (11), the dust collection box (12) is inserted into the installation box body (1), and an air exhaust pipe (13) is arranged on the outer side face of the dust collection box (12).

8. A gel coat spray line for wind turbine nacelle covers as claimed in claim 4, wherein: the movable slide rail (9) comprises two longitudinal slide rails (91), a transverse slide rail (92), a fixed block (93), an upright post (94) and a hydraulic cylinder (95), the longitudinal slide rails (91) are fixed on the bottom surface, the transverse slide rails (92) are slidably mounted on the longitudinal slide rails (91) through the two upright posts (94), the transverse slide rails (92) are located at the tops of the upright posts (94), the fixed block (93) is slidably mounted on the transverse slide rails (92), and the hydraulic cylinder (95) is fixed below the fixed block (93) and an output shaft of the hydraulic cylinder (95) is connected to the top end of the hanger (2).

Technical Field

The invention relates to the field of production equipment of a cabin cover of a wind driven generator, in particular to a gel coat spraying production line for the cabin cover of the wind driven generator.

Background

The cabin cover of the wind driven generator is a protective shell of the wind driven generator set, the existing relatively common production mode of the cabin cover of the wind driven generator is produced by a vacuum bag forming process, in the production mode, in order to ensure that the appearance quality of the cabin cover is relatively high and the material of a structural layer is not corroded by an external environment medium, a gel coat is usually sprayed on a cabin cover mould, the existing spraying mode of the cabin cover mould gel coat is generally manual spraying, the cabin cover mould of the wind driven generator is large in size, the mould surface of the wind driven generator needs to be cleaned up firstly when the gel coat is sprayed, otherwise, gaps or bubbles are easy to appear in the gel coat due to dust and the like after the gel coat is sprayed, the quality of the gel coat is greatly influenced, the surface quality of the cabin cover is further influenced, the phenomenon that spraying workers are inevitably contacted with the gel coat due to the large size of the cabin cover mould in the spraying process, this makes the impurity such as dust fall on the mould face easily, influences the gel coat quality.

Disclosure of Invention

The invention aims to provide a gel coat spraying production line for a wind turbine nacelle cover, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a gel coat spraying production line for wind power generation cabin cover, includes the installation box, the top of installation box is equipped with the gallows, two sides of gallows are equipped with the switching-over subassembly of being connected gallows and installation box of symmetry, the switching-over subassembly is used for adjusting the use angle of installation box, the fixed gel coat shower nozzle in side of installation box, the below of gel coat shower nozzle is equipped with cabin cover die surface cleaning device, die surface cleaning device's below is connected with air heating device, die surface cleaning device can drive air heating device with air heating when clearing up cabin cover die surface, air heating device's front end is connected with the hot-air nozzle, the gallows is installed in the below of moving slide, the moving slide is used for driving whole installation box and the part of installing in the installation box and removes.

Preferably, the reversing assembly comprises an electric ejector rod, a first connecting rod and a second connecting rod, the electric ejector rod is fixed to the side face of the hanging bracket, the top end of the first connecting rod is connected to an output shaft of the electric ejector rod, the bottom end of the first connecting rod is hinged to the front end of the second connecting rod, the middle position of the second connecting rod is rotatably connected to the side face of the installation box body, and the rear end of the second connecting rod is rotatably connected to the side face of the installation box body.

Preferably, the gel coat spray head is connected in the external gel coat liquid pool through a gel coat liquid pipeline.

Preferably, die face cleaning device includes motor, gear train, power wheel, take-up pulley, cleaning wheel and felt, the motor is fixed on the installation bedplate in the installation box, the gear train is connected the output shaft and the power wheel of motor, the both ends of power wheel, take-up pulley and cleaning wheel are rotated respectively and are installed the both sides face at the installation box, the felt is around on power wheel, take-up pulley and cleaning wheel, the felt together stretches out the installation box surface along with cleaning wheel, even being fixed with the protruding pad of a plurality of felts on the surface of felt, the protruding pad of felt sews up soft rubber strip and is used for supporting.

Preferably, the air heating device comprises an upper friction plate, a lower friction plate, a plurality of friction wheels and a heat preservation box, the two ends of the upper friction plate and the lower friction plate are respectively fixed on the two side surfaces of the mounting box body, the upper friction plate and the lower friction plate are made of wear-resistant rubber, the gap between the upper friction plate and the lower friction plate is smaller than the thickness of the felt convex pad, the friction wheel is obliquely arranged, a plurality of shifting buttons are arranged on the friction wheel, the shifting button at the higher end of the friction wheel is higher than the lower friction plate due to inclination and is contacted with the felt convex pad, the friction wheel is rotatably arranged on a heat conducting plate below the friction wheel, the heat conducting plate is provided with a friction pad which is obliquely arranged in the same way as the friction wheel, the friction wheel is in close contact with the friction pad, the two ends of the heat conducting plate are fixed in the heat preservation box, the heat preservation box is installed in the installation box, and the air inlet pipe is installed behind the heat preservation box.

Preferably, the spray head direction of the hot air spray nozzle and the spray head direction of the gel coat spray head are provided with an included angle of 45 degrees.

Preferably, the inner side surface of the installation box body is provided with a plurality of poking plates, the farthest ends of the poking plates are in contact with the felt convex pads, a dust collection box is arranged below the poking plates and is inserted in the installation box body, and the outer side surface of the dust collection box is provided with an exhaust pipe.

Preferably, the movable slide rail comprises two longitudinal slide rails, a transverse slide rail, a fixed block, an upright post and a hydraulic cylinder, the longitudinal slide rails are fixed on the bottom surface, the transverse slide rail is slidably mounted on the longitudinal slide rails through the two upright posts and is located at the top of the upright post, the fixed block is slidably mounted on the transverse slide rail, and the hydraulic cylinder is fixed below the fixed block and an output shaft of the hydraulic cylinder is connected to the top end of the hanger.

Compared with the prior art, the invention has the beneficial effects that:

1. the working angle of the whole installation box body can be changed through the arranged hanging bracket and the reversing assembly, so that the gel coat spray head can be steered according to the outline of the cabin cover die, and gel coats can be uniformly sprayed on the die surface;

2. the felt arranged in the invention can rub with the upper friction plate and the lower friction plate at high speed in the process of rapid rotation, so that static electricity is generated on the felt, the felt is in contact with the die surface at the cleaning wheel, and dust and other objects adhered to the die surface are cleaned through the wiping and electrostatic adsorption effects of the felt, thereby avoiding gaps or bubbles of the gel coat caused by the dust;

3. according to the invention, the arranged felt convex pad can push the toggle button to enable the friction wheel to rotate at a high speed, the friction wheel and the friction pad generate heat through friction, the heat enters the heat preservation box, then air entering from the air inlet pipe is heated in the heat preservation box and is sprayed out of the mold surface through the hot air nozzle, so that on one hand, the mold surface is cleaned through the rapidly flowing air flow, on the other hand, the mold surface is heated, after the gel coat is sprayed on the mold surface, bubbles in the gel coat liquid are heated and broken due to the high temperature of the mold surface, and the condition that the sprayed gel coat contains the bubbles is avoided;

4. according to the invention, the felt is provided with the felt convex pads, the felt convex pads can drive the poking plate to vibrate at a high speed when passing through the poking plate, the poking plate vibrating at a high speed can bounce off dust on the felt, and the dust is finally sucked by the dust collecting box with the air suction pipe, collected in the box and then sucked by the air suction pipe, so that the dust taken away by the felt is prevented from being attached to the surface of the die again.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the present invention positioned within a canopy mold;

FIG. 3 is a schematic cross-sectional view of the present invention;

FIG. 4 is a schematic view of the internal structure of the present invention;

FIG. 5 is a schematic view of the internal structure of the present invention;

FIG. 6 is a schematic structural diagram of the friction wheel and the heat conducting plate of the present invention.

In the figure: 1, mounting a box body; 11-a toggle plate; 12-a dust collecting box; 13-an air extraction pipe;

2-a hanging bracket;

3-a commutation component; 31-electric ejector rod; 32-connecting rod one; 33-connecting rod two;

4-gel coat spray head; 41-gel coat liquid pipeline;

5-a die face cleaning device; 51-a motor; 52-gear set; 53-a power wheel; 54-a tensioner; 55-cleaning wheel; 56-felt; 57-mounting the seat plate; 58-felt convex pad

6-air heating device; 61-upper friction plate; 62-a lower friction plate; 63-a friction wheel; 64-a heat preservation box; 65-toggle; 66-an air inlet pipe; 67-heat conducting plate; 68-a friction pad;

7-a cabin cover mould; 8-hot air nozzles;

9-moving the sliding rail; 91-longitudinal sliding rail; 92-transverse slide rail; 93-fixed block; 94-column; 95-hydraulic cylinder.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 6, the present invention provides a technical solution: a gel coat spraying production line for a cabin cover of a wind driven generator comprises an installation box body 1, wherein a hanging bracket 2 is arranged at the top of the installation box body 1, two side surfaces of the hanging bracket 2 are provided with reversing components 3 which are symmetrical and connect the hanging bracket 2 with the installation box body 1, the reversing component 3 is used for adjusting the use angle of the installation box body 1, the side surface of the installation box body 1 is fixed with a gel coat spray head 4, a cabin cover die surface cleaning device 5 is arranged below the gel coat spray head 4, an air heating device 6 is connected below the die surface cleaning device 5, the die surface cleaning device 5 can drive the air heating device 6 to heat air while cleaning the die surface of the cabin cover die 7, the front end of the air heating device 6 is connected with a hot air nozzle 8, the hanging bracket 2 is arranged below a movable sliding rail 9, the movable slide rail 9 is used for driving the whole installation box body 1 and parts installed in the installation box body 1 to move.

In this embodiment, the reversing assembly 3 includes an electric ejector rod 31, a first connecting rod 32 and a second connecting rod 33, the electric ejector rod 31 is fixed on the side surface of the hanger 2, the top end of the first connecting rod 32 is connected to the output shaft of the electric ejector rod 31, the bottom end of the first connecting rod 32 is hinged to the front end of the second connecting rod 32, the middle position of the second connecting rod 32 is rotatably connected to the side surface of the installation box 1, the rear end of the second connecting rod 32 is rotatably connected to the side surface of the installation box 1, when the die surface of the canopy die 7 is changed, by controlling the extension and contraction of the output shaft of the electric ejector rod 31, the first connecting rod 32 can be pressed downward and one end of the second connecting rod 33 can be pressed downward through the first connecting rod 32, so that the first connecting rod 32 can rotate around the rotating shaft rotatably connected to the installation box 1, and thus the installation box 1 connected to the tail end of the second connecting rod 33 can be controlled to rotate, so that the distance between the mold and the mold surface is always kept uniform, thereby facilitating the spraying of gel coats.

In this embodiment, the gel coating head 4 is connected to an external gel coating liquid tank through a gel coating liquid pipe 41, and the gel coating liquid is continuously supplied into the gel coating head 41 by the supply of the gel coating liquid pipe 41.

In this embodiment, the die surface cleaning device 5 includes a motor 51, a gear set 52, a power wheel 53, a tension wheel 54, a cleaning wheel 55 and a felt 56, the motor 51 is fixed on a mounting base plate 57 in the mounting box 1, the gear set 52 connects an output shaft of the motor 51 with the power wheel 53, two ends of the power wheel 53, the tension wheel 54 and the cleaning wheel 55 are respectively rotatably mounted on two side surfaces of the mounting box 1, the felt 56 is wound on the power wheel 53, the tension wheel 54 and the cleaning wheel 55, the felt 56 extends out of the surface of the mounting box 1 along with the cleaning wheel 55, a plurality of felt convex pads 58 are uniformly fixed on the outer surface of the felt 56, soft rubber strips are sewn in the felt convex pads 58 for supporting, when the motor 51 starts to work, the power wheel 53 starts to work through the transmission of the gear set 52, and drives the felt 56 to rotate, at the same time, the tension wheel 54 and the cleaning wheel 55 start to rotate at a high speed, and the felt 56 and the felt pad 58 outside the cleaning wheel 55 wipe off the dust and the like on the die surface.

In this embodiment, the air heating device 6 includes an upper friction plate 61, a lower friction plate 62, a plurality of friction wheels 63, and a heat preservation box 64, two ends of the upper friction plate 61 and the lower friction plate 62 are respectively fixed on two side surfaces of the installation box 1, the upper friction plate 61 and the lower friction plate 62 are made of wear-resistant rubber, a gap between the upper friction plate 61 and the lower friction plate 62 is smaller than a thickness of the felt convex pad 58, the friction wheels 63 are obliquely arranged, the friction wheels 63 are provided with a plurality of toggle buttons 65, the toggle button 65 at a higher end of the friction wheels 63 caused by inclination is higher than the toggle button 65 at the lower friction plate 62 and contacts with the felt convex pad 58, the friction wheels 63 are rotatably installed on a heat conduction plate 67 below the friction wheels 63, the friction pads 68 which are obliquely arranged the same as the friction wheels 63 are arranged on the heat conduction plate 67, the friction wheels 63 are in tight contact with the friction pads 68, two ends of the heat conduction plate 67 are fixed in the heat preservation box 64, the heat preservation box 64 is arranged in the installation box body 1, the air inlet pipe 66 is arranged behind the heat preservation box 64, when the felt 56 passes through the upper friction plate 61 and the lower friction plate 62 at a high speed, static electricity is generated on the felt 56, when the felt 56 with the static electricity meets dust on a die surface, the dust can be adsorbed on the felt 56 through electrostatic adsorption, the die surface is cleaned more thoroughly, meanwhile, when the felt 56 passes through the friction wheel 63 at a high speed, a poking button 65 with one side higher than the lower friction plate 62 through the felt convex pads 58 generates forward driving force, the poking button 65 can drive the friction wheel 63 to rotate at a high speed, the friction wheel 63 and the friction pad 68 rub at a high speed to generate a large amount of heat, the heat can enter the heat preservation box 64 through the conduction of the heat conduction plate 67, then the air blown in the air inlet pipe 66 is heated through the heat, and the hot air is finally blown out to the die surface through the hot air nozzle 8, the mould surface can be heated while large-particle dust is blown away, so that bubbles in the glue coating liquid on subsequent spraying can be heated and broken and can be dried quickly.

In this embodiment, the nozzle direction of the hot air nozzle 8 and the nozzle direction of the gel coat nozzle 4 are arranged with an included angle of 45 degrees, so that the blown hot air can face the front of the gel coat liquid spraying position, and the blown hot air is prevented from blowing off the gel coat liquid.

In this embodiment, a plurality of poking plates 11 are arranged on the inner side surface of the installation box body 1, the farthest ends of the poking plates 11 are in contact with felt convex pads 58, a dust collection box 12 is arranged below the poking plates 11, the dust collection box 12 is inserted into the installation box body 1, an air suction pipe 13 is arranged on the outer side surface of the dust collection box 12, when the felt convex pads 58 pass through the poking plates 11, the poking plates 11 are driven to vibrate at a high speed, the poking plates vibrating at a high speed can bounce off dust on the felt 56, and finally the dust is sucked by the dust collection box 12 with the air suction pipe 13, collected in the box and then sucked by the air suction pipe 13, so that the dust taken away by the felt 56 is prevented from being attached to the die surface again.

In this embodiment, the movable slide rail 9 includes two longitudinal slide rails 91, a transverse slide rail 92, a fixed block 93, an upright post 94 and a hydraulic cylinder 95, the longitudinal slide rail 91 is fixed on the bottom surface, the transverse slide rail 92 is slidably mounted on the longitudinal slide rail 91 through the two upright posts 94, the transverse slide rail 92 is located at the top of the upright post 94, the fixed block 93 is slidably mounted on the transverse slide rail 92, the hydraulic cylinder 95 is fixed below the fixed block 93, an output shaft of the hydraulic cylinder 95 is connected to the top end of the hanger 2, the whole glue-coating part is driven to move on different positions of the mold surface through the coordinated movement of the longitudinal slide rail 91 and the transverse slide rail 92, and the provided hydraulic cylinder 95 can control the height of the whole installation box 1, so that the installation box can move up and down.

The working principle is as follows: when in use, the whole glue-coating part is driven to move on different positions of the die surface through the coordinated movement of the sliding rail 91 and the transverse sliding rail 92, then when the motor 51 starts to work, the power wheel 53 also starts to work through the transmission of the gear set 52, the felt 56 is driven to rotate, simultaneously, the tensioning wheel 54 and the cleaning wheel 55 also start to highly rotate, the felt 56 and the felt convex pad 58 outside the cleaning wheel 55 can wipe off dust and the like on the die surface, when the felt 56 passes through the upper friction plate 61 and the lower friction plate 62 at high speed, static electricity can be generated on the felt 56, when the felt 56 with the static electricity meets the dust on the die surface, the dust can be adsorbed on the felt 56 through electrostatic adsorption, so that the die surface is cleaned more thoroughly, and simultaneously, when the felt 56 passes through the friction wheel 63 at high speed, the poking button 65 which is higher than the lower friction plate 62 at one side can generate forward driving force through one felt convex pad 58, the toggle button 65 will drive the friction wheel 63 to rotate at a high speed, the friction wheel 63 and the friction pad 68 rub at a high speed to generate a large amount of heat, the heat will enter the heat preservation box 64 through the conduction of the heat conduction plate 67, the air blown in by the air inlet pipe 66 is heated by the heat, the hot air is blown out to the die surface through the hot air nozzle 8, the die surface can be heated while the large-particle dust is blown away, the subsequent heating and breaking of bubbles in the glue solution sprayed on the die surface and the rapid drying are facilitated, after the dust on the die surface is cleaned by the felt 56, the felt convex pads 58 will pass through the toggle plate 11, the felt convex pads 58 will drive the toggle plate 11 to vibrate at a high speed, the high-speed vibrating toggle plate will bounce the dust on the felt 56, and finally be sucked by the dust collection box 12 with the air suction pipe 13, collected in the box and then sucked by the air suction pipe 13, thereby preventing the dust taken away by the felt 56 from adhering to the die surface again, when the die face of cabin cover mould 7 appears crooked and changes, through the flexible of control electronic ejector pin 31 output shaft, can push down connecting rod one 32 and push down the one end of connecting rod two 33 through connecting rod one 32, make it rotate the axis of rotation of connecting on installation box 1 round the centre, just so can control connection realize rotating at the terminal installation box 1 of connecting rod two 33, make it keep an even distance apart from the die face throughout, the spraying gel coat of being convenient for.

Based on the above, the working angle of the whole installation box body can be changed through the arranged hanging bracket and the reversing assembly, so that the gel coat spray head can turn according to the outline of the cabin cover die, and gel coats can be uniformly sprayed on the die surface; the felt arranged in the invention can rub with the upper friction plate and the lower friction plate at high speed in the process of rapid rotation, so that static electricity is generated on the felt, the felt is in contact with the die surface at the cleaning wheel, and dust and other objects adhered to the die surface are cleaned through the wiping and electrostatic adsorption effects of the felt, thereby avoiding gaps or bubbles of the gel coat caused by the dust; according to the invention, the arranged felt convex pad can push the toggle button to enable the friction wheel to rotate at a high speed, the friction wheel and the friction pad generate heat through friction, the heat enters the heat preservation box, then air entering from the air inlet pipe is heated in the heat preservation box and is sprayed out of the mold surface through the hot air nozzle, so that on one hand, the mold surface is cleaned through the rapidly flowing air flow, on the other hand, the mold surface is heated, after the gel coat is sprayed on the mold surface, bubbles in the gel coat liquid are heated and broken due to the high temperature of the mold surface, and the condition that the sprayed gel coat contains the bubbles is avoided; according to the invention, the felt is provided with the felt convex pads, the felt convex pads can drive the poking plate to vibrate at a high speed when passing through the poking plate, the poking plate vibrating at a high speed can bounce off dust on the felt, and the dust is finally sucked by the dust collecting box with the air suction pipe, collected in the box and then sucked by the air suction pipe, so that the dust taken away by the felt is prevented from being attached to the surface of the die again.

It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of or equivalence to the invention are intended to be embraced therein.