Spray plating device for shell of new energy automobile

Abstract

The utility model relates to a spraying device for a shell of a new energy automobile, and belongs to the technical field of automobile machining. Comprising a hollow spray plating box, an internal horizontal guide sliding rail is arranged in the spray plating box, a sliding trolley which walks along the internal horizontal guide sliding rail in a reciprocating mode is arranged on the internal horizontal guide sliding rail, and a rotation drive is installed on the sliding trolley and connected with an upper layer supporting plate. A shell supporting frame used for supporting to-be-machined automobile shell accessories is fixed to the upper-layer supporting plate, and a taking and placing opening, a first nozzle mechanism and a second nozzle mechanism are sequentially arranged on a top plate of the spraying box from front to back. And a second driving mechanism for driving the sliding trolley to do reciprocating motion in the length direction of the internal horizontal guide sliding rail is mounted on the outer wall of the spraying box. The device has the following beneficial effects that the pre-spraying, the fine spraying and the re-spraying of the automobile spare parts are finished on the automobile spare parts, so that the surface quality of a plating layer is improved.

Description

Technical Field

[0001] The utility model relates to a spraying device for a shell of a new energy vehicle, belonging to the technical field of automobile processing. Background Art

[0002] At present, nano-spraying paint is basically used for colored automobile shell accessories. This nano-spraying paint can effectively protect the surface of the automobile wheel hub. Spraying technology is often used in the production and processing of new energy automobile parts.

[0003] The patent application with patent number CN201810080752.1 discloses a nano-spraying device for automobile wheel hubs. It includes a spraying box, a driving member and a rotating frame, the interior of the spraying box is a cavity structure, the driving member is fixed in the spraying box, the rotating frame is located on the driving end of the driving member, and it also includes: a nano-paint storage box, a pump body and a nozzle, the nano-paint storage box, the pump body and the nozzle are connected in sequence through pipelines, the nano-paint storage box is located on one side of the spraying box, the inner end face of the spraying box is paved with a first electric slide rail, the moving end of the first electric slide rail is provided with a second electric slide rail, the moving end of the second electric slide rail is provided with a mounting frame, the nozzle is embedded in the mounting frame, the present invention relates to the field of nano-spraying technology, in this technical solution, the position of the nozzle can be changed by the coordinated cooperation of the first electric slide rail and the second electric slide rail, and the rotating frame can be driven to rotate accordingly by the driving member, and the spraying efficiency is higher.

[0004] Although the above patent can realize the spraying function, the current technical considerations are not comprehensive and have the following disadvantages: the one-time spraying process has low spraying accuracy, inaccurate spraying position, prone to uneven spraying, spray leakage, and low work efficiency.

[0005] In order to solve one of the above problems, a spray coating device for the shell of a new energy vehicle is urgently needed. Utility Model Content

[0006] In view of the above deficiencies in the prior art, the technical problem to be solved by the utility model is: how to realize semi-automatic spraying operation and improve the surface quality of the coating to a certain extent, and to provide a spraying device for the shell of a new energy vehicle.

[0007] The spraying device for the shell of a new energy vehicle described in the utility model comprises a hollow spraying box, which is characterized in that: an internal horizontal guide rail is arranged in the spraying box, and a sliding trolley that reciprocates along the internal horizontal guide rail is arranged on the internal horizontal guide rail, and the sliding trolley is equipped with a rotary drive, and the rotary drive is connected to the upper support plate, which is used to drive the upper support plate to rotate around the rotary center line of the rotary drive, and a shell support frame for supporting the automobile shell accessories to be processed is fixed on the upper support plate, and a pick-up and release port, a first nozzle mechanism and a second nozzle mechanism are arranged in sequence from front to back on the top plate of the spraying box, and a second drive mechanism that drives the sliding trolley to reciprocate along the length direction of the internal horizontal guide rail is installed on the outer wall of the spraying box.

[0008] The sliding trolley is driven by the second driving mechanism to move to the pick-up and release port, and the auto parts to be processed are placed on the shell support frame. The auto shell parts referred to in this application are generally motor controller shells, front grilles, fenders, hub covers, door panels, instrument panel panels, center control panels, interior trims and other auto shell parts of new energy vehicles that need to be sprayed. After the auto parts to be processed are placed in place, the first nozzle mechanism and the second nozzle mechanism are controlled to spray out the nano-spraying solution, and then the sliding trolley is controlled by the second driving mechanism to pass under the first nozzle mechanism first, and the auto parts complete the pre-spraying, and then the sliding trolley is controlled to reach the bottom of the second nozzle mechanism, and the rotary drive is used to drive the upper support plate to rotate, so that the auto parts complete the fine spraying, and then the sliding trolley is controlled by the second driving mechanism to reset. On the way of resetting, the sliding trolley passes under the first nozzle mechanism again to complete the re-spraying of the auto parts and improve the surface quality of the coating. When the sliding trolley moves to the pick-up and release port, the first nozzle mechanism and the second nozzle mechanism are closed to take out the shell that has completed the spraying.

[0009] Preferably, the upper support plate is a rectangular metal plate, and the rotary drive is a gear rotary drive, including a driving gear and a turntable gear meshing with each other, the driving gear is driven to rotate by the first drive motor, and the upper turntable connected to the turntable gear is fixed on the upper support plate. It is an existing structure, which can control the upper support plate to rotate around the rotary center line of the rotary drive, cooperate with the second nozzle mechanism, and complete the fine spraying of automobile parts.

[0010] Preferably, the shell support frame comprises a plurality of universal bamboo tubes arranged in a rectangular array. The universal bamboo tubes have a deformable property, and the deformed form can still provide support force for matching different automobile shell accessories to be processed.

[0011] Preferably, the universal bamboo tube includes male and female joints, which are hollow, and multiple male and female joints are connected end to end to form a hollow bamboo tube, and the male and female joints have an integrally formed male ball head and female ball head, and adjacent male ball heads and female ball heads are hinged to form a universal ball structure that is easy to twist. It is an existing structure, which is simple and reasonable.

[0012] Preferably, the first nozzle mechanism comprises a first liquid supply pipe, and a plurality of groups of nozzles A are arranged at intervals along the length direction of the first liquid supply pipe.

[0013] Preferably, the second nozzle mechanism comprises a second liquid supply pipe and a third liquid supply pipe arranged crosswise, a plurality of groups of nozzles B are arranged at intervals along the length direction of the second liquid supply pipe, and a plurality of groups of nozzles C are arranged at intervals along the length direction of the third liquid supply pipe.

[0014] Preferably, the end of the first liquid supply pipe is connected to the first liquid outlet pipe, the end of the second liquid supply pipe is connected to the second liquid outlet pipe, the other ends of the first liquid outlet pipe and the second liquid outlet pipe are connected to the outlet of the pump body, the inlet of the pump body is connected to the nano paint storage tank, and the first liquid outlet pipe and the second liquid outlet pipe are both rubber hoses. The pump body supplies the nano spraying solution in the nano paint storage tank to the first nozzle mechanism and the second nozzle mechanism, and the solution is sprayed out by nozzle A, nozzle B, and nozzle C.

[0015] Preferably, a first electric push rod for driving the first nozzle mechanism to rise and fall is installed on the top of the spraying box, and the telescopic end of the first electric push rod is fixedly connected to the first liquid supply pipe. A second electric push rod for driving the second nozzle mechanism to rise and fall is installed on the top of the spraying box, and the telescopic end of the second electric push rod is fixedly connected to the second liquid supply pipe.

[0016] The heights of the first nozzle mechanism and the second nozzle mechanism are also controlled as required, and the design of the first liquid outlet pipe and the second liquid outlet pipe does not interfere with the movement of the first nozzle mechanism and the second nozzle mechanism.

[0017] Preferably, the second driving mechanism is a second reduction motor fixed on the outer wall of the spraying box, a lead screw is installed on the power output shaft of the second reduction motor, the lead screw is in the spraying box, and the end away from the second reduction motor is rotatably installed on the inner wall of the spraying box through a bearing seat, a lead screw nut is threadedly connected to the lead screw, and the lead screw nut is connected to the sliding trolley through a connecting push rod.

[0018] The second reduction motor drives the lead screw to rotate forward or reverse, and the position movement of the sliding carriage is achieved through the cooperation of the lead screw and the lead screw nut.

[0019] Preferably, the nozzle A, nozzle B and nozzle C are all atomizing nozzles.

[0020] Preferably, the internal horizontal guide rail comprises two mutually parallel guide rods A and guide rod B, and the ends of the guide rod A and guide rod B are fixed on the inner wall of the spraying box.

[0021] Preferably, the sliding trolley includes a vehicle body, and a group of horizontally arranged guide wheels are respectively arranged at the four corners of the vehicle body, and the guide wheels located on the same side cooperate with the corresponding guide rod A and guide rod B to move respectively.

[0022] Compared with the prior art, the utility model has the following beneficial effects:

[0023] The spraying device for the shell of the new energy vehicle described in the utility model first controls the sliding carriage to pass under the first nozzle mechanism through the second driving mechanism, and the automobile parts are pre-sprayed, and then the sliding carriage is controlled to reach under the second nozzle mechanism, and the upper support plate is driven to rotate by a rotary drive, so that the automobile parts are finely sprayed, and finally the sliding carriage is controlled to reset through the second driving mechanism. During the reset of the sliding carriage, it passes under the first nozzle mechanism again to complete the re-spraying of the automobile parts, thereby improving the surface quality of the coating.

[0024] The utility model discloses a spray coating device for the shell of a new energy vehicle, wherein the second nozzle mechanism comprises a second liquid supply pipe and a third liquid supply pipe which are cross-staggered, a plurality of groups of nozzles B are spaced apart along the length direction of the second liquid supply pipe, and a plurality of groups of nozzles C are spaced apart along the length direction of the third liquid supply pipe. The sliding trolley reaches below the second nozzle mechanism and adopts a rotary drive to drive the upper support plate to rotate, so that the painting efficiency is higher.

[0025] The spray coating device for the shell of the new energy vehicle described in the utility model drives the lead screw to rotate forward or reversely through the second reduction motor, and the position movement of the sliding trolley is realized under the cooperation of the lead screw and the lead screw nut. The structure is simple and reasonable, and the processing cost is low.

[0026] The utility model discloses a spray plating device for the shell of a new energy vehicle, wherein the universal bamboo tube has a deformable characteristic, and the deformed shape can still provide supporting force, and is used to match different automobile shell accessories to be processed. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following is a brief introduction to the drawings required for the specific embodiments or the description of the prior art. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn according to the actual scale.

[0028] Figure 1 It is a schematic diagram of the structure of the utility model;

[0029] Figure 2 This is a schematic diagram of the external structure of the skid trolley of the utility model;

[0030] Figure 3 This is a schematic diagram of the external structure of the first nozzle mechanism of the utility model;

[0031] Figure 4 This is a schematic diagram of the external structure of the second nozzle mechanism of the utility model;

[0032] In the figure: 1, spraying box 2, internal horizontal guide rail 3, sliding trolley 4, rotary drive 5, upper support plate 6, shell support frame 7, first nozzle mechanism 7.1, first liquid supply pipe 7.2, nozzle A 8, second nozzle mechanism 8.1, second liquid supply pipe 8.2, third liquid supply pipe 8.3, nozzle B 8.4, nozzle C 9, take-in and put-out port 10, first liquid outlet pipe 11, second liquid outlet pipe 12, pump body 13, nano paint storage box 14, first electric push rod 15, second electric push rod 16, second reduction motor 17, bearing seat 18, lead screw 19, lead screw nut. DETAILED DESCRIPTION

[0033] The utility model is further described below in conjunction with the accompanying drawings: The utility model is further illustrated below through specific embodiments, but is not intended to limit the utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the invention should be included in the protection scope of the utility model.

[0034] Embodiment 1, as Figure 1 As shown, a spraying device for the shell of a new energy vehicle comprises a hollow spraying box 1, an internal horizontal guide rail 2 is arranged in the spraying box 1, a sliding trolley 3 which reciprocates along the internal horizontal guide rail 2 is arranged on the internal horizontal guide rail 2, the sliding trolley 3 is installed with a rotary drive 4, the rotary drive 4 is connected to the upper support plate 5, and is used to drive the upper support plate 5 to rotate around the rotation center line of the rotary drive 4, and a shell support frame 6 for supporting the automobile shell accessories to be processed is fixed on the upper support plate 5, a pick-up and release port 9, a first nozzle mechanism 7 and a second nozzle mechanism 8 are arranged in sequence from front to back on the top plate of the spraying box 1, and a second drive mechanism which drives the sliding trolley 3 to reciprocate along the length direction of the internal horizontal guide rail 2 is installed on the outer wall of the spraying box 1.

[0035] The sliding trolley 3 is driven by the second driving mechanism to move to the pick-up and release port 9, and the automobile parts to be processed are placed on the shell support frame 6. The automobile shell parts referred to in this application are generally automobile shell parts such as motor controller shells, front grilles, fenders, hub covers, door panels, instrument panels, central control panels, interior trims, etc. of new energy vehicles that need to be sprayed. After the automobile parts to be processed are placed in place, the first nozzle mechanism 7 and the second nozzle mechanism 8 are controlled to spray out nano-spraying liquid, and then the sliding trolley 3 is controlled by the second driving mechanism to pass under the first nozzle mechanism 7 first, and the automobile parts are pre-sprayed, and then the sliding trolley 3 is controlled to reach the bottom of the second nozzle mechanism 8, and the rotary drive 4 is used to drive the upper support plate 5 to rotate, so that the automobile parts are finely sprayed, and then the sliding trolley 3 is controlled by the second driving mechanism to reset. On the way of resetting, the sliding trolley 3 passes under the first nozzle mechanism 7 again to complete the re-spraying of the automobile parts. When the sliding trolley 3 moves to the pick-up and release port 9, the first nozzle mechanism 7 and the second nozzle mechanism 8 are closed, and the shell that has been sprayed is taken out.

[0036] Embodiment 2, as Figure 1 As shown, a spraying device for the shell of a new energy vehicle comprises a hollow spraying box 1, an internal horizontal guide rail 2 is arranged in the spraying box 1, a sliding trolley 3 which reciprocates along the internal horizontal guide rail 2 is arranged on the internal horizontal guide rail 2, the sliding trolley 3 is installed with a rotary drive 4, the rotary drive 4 is connected to the upper support plate 5, and is used to drive the upper support plate 5 to rotate around the rotation center line of the rotary drive 4, and a shell support frame 6 for supporting the automobile shell accessories to be processed is fixed on the upper support plate 5, a pick-up and release port 9, a first nozzle mechanism 7 and a second nozzle mechanism 8 are arranged in sequence from front to back on the top plate of the spraying box 1, and a second drive mechanism which drives the sliding trolley 3 to reciprocate along the length direction of the internal horizontal guide rail 2 is installed on the outer wall of the spraying box 1.

[0037] Further, the upper support plate 5 is a rectangular metal plate, the rotary drive 4 is a geared rotary drive, including a driving gear and a turntable gear meshing with each other, the driving gear is driven to rotate by the first drive motor, and the upper turntable connected to the turntable gear is fixed on the upper support plate 5. It is an existing structure, and the upper support plate 5 can be controlled to rotate around the rotation center line of the rotary drive 4, and cooperate with the second nozzle mechanism 8 to complete the fine spraying of the automotive parts.

[0038] Furthermore, the shell support frame 6 includes a plurality of universal bamboo tubes arranged in a rectangular array. The universal bamboo tube has a deformable property, and the deformed shape can still provide support force, and is used to match different automobile shell accessories to be processed. Further, the universal bamboo tube includes a male and female joint, the male and female joints are hollow, and a plurality of male and female joints are connected end to end in sequence to form a hollow bamboo tube, and the male and female joints have an integrally formed male ball head and female ball head, and adjacent male ball heads and female ball heads are hinged to form a universal ball structure that is easy to twist. It is an existing structure, and the structure is simple and reasonable.

[0039] Further, refer to Figure 3 The first nozzle mechanism 7 includes a first liquid supply pipe 7.1, and a plurality of groups of nozzles A7.2 are arranged at intervals along the length direction of the first liquid supply pipe 7.1.

[0040] Further, refer to Figure 4 The second nozzle mechanism 8 includes a second liquid supply pipe 8.1 and a third liquid supply pipe 8.2 arranged crosswise, a plurality of groups of nozzles B8.3 are arranged at intervals along the length direction of the second liquid supply pipe 8.1, and a plurality of groups of nozzles C8.4 are arranged at intervals along the length direction of the third liquid supply pipe 8.2.

[0041] Further, the end of the first liquid supply pipe 7.1 is connected to the first liquid outlet pipe 10, the end of the second liquid supply pipe 8.1 is connected to the second liquid outlet pipe 11, the other ends of the first liquid outlet pipe 10 and the second liquid outlet pipe 11 are connected to the outlet of the pump body 12, the inlet of the pump body 12 is connected to the nano paint storage box 13, and the first liquid outlet pipe 10 and the second liquid outlet pipe 11 are both rubber hoses. The pump body 12 supplies the nano spraying liquid in the nano paint storage box 13 to the first nozzle mechanism 7 and the second nozzle mechanism 8, and sprays it out from the nozzle A7.2, the nozzle B8.3, and the nozzle C8.4.

[0042] Furthermore, a first electric push rod 14 for driving the first nozzle mechanism 7 to rise and fall is installed on the top of the spraying box 1, and the telescopic end of the first electric push rod 14 is fixedly connected to the first liquid supply pipe 7.1. A second electric push rod 15 for driving the second nozzle mechanism 8 to rise and fall is installed on the top of the spraying box 1, and the telescopic end of the second electric push rod 15 is fixedly connected to the second liquid supply pipe 8.1.

[0043] The heights of the first nozzle mechanism 7 and the second nozzle mechanism 8 are also controlled as required, and the design of the first liquid outlet pipe 10 and the second liquid outlet pipe 11 does not interfere with the movement of the first nozzle mechanism 7 and the second nozzle mechanism 8.

[0044] Furthermore, the second driving mechanism is fixed to the second reduction motor 16 on the outer wall of the spraying box 1, and a lead screw 18 is installed on the power output shaft of the second reduction motor 16. The lead screw 18 is in the spraying box 1, and the end away from the second reduction motor 16 is rotatably installed on the inner wall of the spraying box 1 through a bearing seat 17. A lead screw nut 19 is threadedly connected to the lead screw 18, and the lead screw nut 19 is connected to the sliding trolley 3 through a connecting push rod.

[0045] Furthermore, the second reduction motor 16 drives the lead screw 18 to rotate forward or reversely, and the position of the sliding trolley 3 is moved by the cooperation of the lead screw 18 and the lead screw nut 19.

[0046] Furthermore, the nozzle A7.2, the nozzle B8.3 and the nozzle C8.4 are all atomizing nozzles.

[0047] Furthermore, the internal horizontal guide rail 2 includes two mutually parallel guide rods A and guide rod B, and the ends of the guide rod A and guide rod B are fixed on the inner wall of the spraying box 1.

[0048] Further, refer to Figure 2 The sliding trolley 3 includes a vehicle body, and a group of horizontally arranged guide wheels are respectively arranged at the four corners of the vehicle body. The guide wheels located on the same side cooperate with the corresponding guide rods A and guide rods B to move.

[0049] The spraying device for the shell of the new energy vehicle described in the utility model first controls the sliding carriage to pass under the first nozzle mechanism through the second driving mechanism, and the automobile parts are pre-sprayed, and then the sliding carriage is controlled to reach under the second nozzle mechanism, and the upper support plate is driven to rotate by a rotary drive, so that the automobile parts are finely sprayed, and finally the sliding carriage is controlled to reset through the second driving mechanism. During the reset of the sliding carriage, it passes under the first nozzle mechanism again to complete the re-spraying of the automobile parts, thereby improving the surface quality of the coating.

[0050] The utility model discloses a spray coating device for the shell of a new energy vehicle, wherein the second nozzle mechanism comprises a second liquid supply pipe and a third liquid supply pipe which are cross-staggered, a plurality of groups of nozzles B are spaced apart along the length direction of the second liquid supply pipe, and a plurality of groups of nozzles C are spaced apart along the length direction of the third liquid supply pipe. The sliding trolley reaches below the second nozzle mechanism and adopts a rotary drive to drive the upper support plate to rotate, so that the painting efficiency is higher.

[0051] The spray coating device for the shell of the new energy vehicle described in the utility model drives the lead screw to rotate forward or reversely through the second reduction motor, and the position movement of the sliding trolley is realized under the cooperation of the lead screw and the lead screw nut. The structure is simple and reasonable, and the processing cost is low.

[0052] The utility model discloses a spray plating device for the shell of a new energy vehicle, wherein the universal bamboo tube has a deformable characteristic, and the deformed shape can still provide supporting force, and is used to match different automobile shell accessories to be processed.

[0053] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the present utility model is defined by the attached claims and their equivalents.

[0054] The matters not described in detail in the present invention are all known technologies to those skilled in the art.

Claims

1. A spray coating device for the shell of a new energy vehicle, comprising a hollow spray coating box, characterized in that: An internal horizontal guide rail is arranged in the spray plating box, a sliding trolley which reciprocates along the internal horizontal guide rail is arranged on the internal horizontal guide rail, the sliding trolley is equipped with a rotary drive, the rotary drive is connected to the upper support plate, and is used to drive the upper support plate to rotate around the rotary center line of the rotary drive, a shell support frame for supporting the automobile shell accessories to be processed is fixed on the upper support plate, a pick-up and release port, a first nozzle mechanism and a second nozzle mechanism are arranged on the top plate of the spray plating box from front to back, and a second drive mechanism which drives the sliding trolley to reciprocate along the length direction of the internal horizontal guide rail is installed on the outer wall of the spray plating box.

2. The spray coating device for the shell of a new energy vehicle according to claim 1, characterized in that: The upper support plate is a rectangular metal plate, and the rotary drive is a geared rotary drive, including a driving gear and a turntable gear meshing with each other. The driving gear is driven to rotate by a first driving motor, and an upper turntable connected to the turntable gear is fixed on the upper support plate.

3. The spray coating device for the shell of a new energy vehicle according to claim 2, characterized in that: The shell support frame includes a plurality of universal bamboo tubes arranged in a rectangular array.

4. The spray coating device for the shell of a new energy vehicle according to claim 3, characterized in that: The universal bamboo tube includes male and female joints, which are hollow. Multiple male and female joints are connected end to end in sequence to form a hollow bamboo tube. The male and female joints have integrally formed male ball heads and female ball heads. Adjacent male ball heads and female ball heads are hinged to form a universal ball structure that is easy to twist.

5. The spray coating device for the shell of a new energy vehicle according to claim 4, characterized in that: The first nozzle mechanism includes a first liquid supply pipe, and a plurality of groups of nozzles A are arranged at intervals along the length direction of the first liquid supply pipe.

6. The spray coating device for the shell of a new energy vehicle according to claim 5, characterized in that: The second nozzle mechanism includes a second liquid supply pipe and a third liquid supply pipe arranged crosswise, a plurality of groups of nozzles B are arranged at intervals along the length direction of the second liquid supply pipe, and a plurality of groups of nozzles C are arranged at intervals along the length direction of the third liquid supply pipe.

7. The spray coating device for the shell of a new energy vehicle according to claim 6, characterized in that: The end of the first liquid supply pipe is connected to the first liquid outlet pipe, the end of the second liquid supply pipe is connected to the second liquid outlet pipe, the other ends of the first liquid outlet pipe and the second liquid outlet pipe are connected to the outlet of the pump body, the inlet of the pump body is connected to the nano paint storage box, and the first liquid outlet pipe and the second liquid outlet pipe are both rubber hoses.

8. The spray coating device for the shell of a new energy vehicle according to claim 7, characterized in that: A first electric push rod for driving the first nozzle mechanism to rise and fall is installed on the top of the spraying box, and the telescopic end of the first electric push rod is fixedly connected to the first liquid supply pipe. A second electric push rod for driving the second nozzle mechanism to rise and fall is installed on the top of the spraying box, and the telescopic end of the second electric push rod is fixedly connected to the second liquid supply pipe.

9. The spray coating device for the shell of a new energy vehicle according to claim 8, characterized in that: The second driving mechanism is a second reduction motor fixed on the outer wall of the spraying box, a lead screw is installed on the power output shaft of the second reduction motor, the lead screw is in the spraying box, and the end away from the second reduction motor is rotatably installed on the inner wall of the spraying box through a bearing seat, a lead screw nut is threadedly connected to the lead screw, and the lead screw nut is connected to the sliding trolley through a connecting push rod.

10. The spray coating device for the shell of a new energy vehicle according to claim 9, characterized in that: The nozzle A, nozzle B and nozzle C are all atomizing nozzles.

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