CN113499900A - Paint spraying device for plastic shell of electric vehicle - Google Patents

Abstract

The invention discloses a paint spraying device for a plastic shell of an electric vehicle, which comprises: the exhaust device comprises a bottom plate, two fixing plates are mounted on the bottom plate, transverse plates are arranged on the two fixing plates, a support is rotatably mounted on the bottom plate, the transverse plates are connected with a rotating rod through a torsion spring, the rotating rod is connected with a fixing rod through a pull rope, the rotating rod is connected with the support through a threaded rod, and the fixing plates are connected with an exhaust box through connecting rods; the fixing block, the last rotation of fixing block installs reciprocal lead screw, threaded connection has the bracing piece on the reciprocal lead screw. The invention does not need manual operation, does not need to paint one side of the plastic shell firstly, then manually turns over the plastic shell and paints the other side of the plastic shell, so that the paint spraying process of the plastic shell is simpler and more convenient, and the paint spraying efficiency of the plastic shell is also improved.

Description

Paint spraying device for plastic shell of electric vehicle

Technical Field

The invention relates to the technical field of electric vehicles, in particular to a paint spraying device for a plastic shell of an electric vehicle.

Background

With the continuous development of science and technology, the social life standard is continuously improved, more and more people utilize the electric vehicle as a transportation tool at present, the electric vehicle needs a lot of processes in the production process, and also needs a lot of spare parts and other structures to assemble and form, wherein just need to utilize the plastic casing, in order to prolong the service life of the plastic casing, simultaneously also can improve the aesthetic property of the plastic casing, generally can spray paint on the both sides of the plastic casing, but the current device that sprays paint can only spray paint on one side of the plastic casing first, then the plastic casing is artificially turned over, spray paint on the other side of the plastic casing, such mode of spraying paint is more tedious, and the efficiency of spraying paint on the plastic casing is lower.

Disclosure of Invention

The invention aims to solve the following defects in the prior art, the existing paint spraying device only can paint one side of a plastic shell firstly, then manually turn over the plastic shell and paint the other side of the plastic shell, the paint spraying mode is complicated, and the paint spraying efficiency of the plastic shell is low, so that the paint spraying device for the plastic shell of the electric vehicle is provided.

In order to achieve the purpose, the invention adopts the following technical scheme:

a paint spraying apparatus for an electric vehicle plastic enclosure, the paint spraying apparatus for an electric vehicle plastic enclosure comprising: the exhaust device comprises a bottom plate, two fixing plates are mounted on the bottom plate, transverse plates are arranged on the two fixing plates, a support is rotatably mounted on the bottom plate, the transverse plates are connected with a rotating rod through a torsion spring, the rotating rod is connected with a fixing rod through a pull rope, the rotating rod is connected with the support through a threaded rod, and the fixing plates are connected with an exhaust box through connecting rods; the device comprises a fixed block, a reciprocating screw rod is rotatably mounted on the fixed block, a support rod is in threaded connection with the reciprocating screw rod, and the support rod is connected with the fixed block through a corrugated pipe; the fixing mechanism comprises a gravity block clamped on the supporting rod, an extrusion rod is fixedly arranged on the transverse plate, a first magnet is arranged on the gravity block, a sliding rod is slidably arranged on the fixing block, and a first piston is arranged on the sliding rod; slewing mechanism, slewing mechanism includes the installation cavity of seting up on the fixed block, it is provided with the second piston to slide in the installation cavity, be provided with the supporting shoe on the fixed block, be provided with the paint box on the fixed plate, the paint box pass through communicating pipe with the supporting shoe is connected, offer on the fixed block and be used for gliding sliding chamber about the slide bar, the installation cavity cross section sets up to half circular arc, sliding chamber with installation cavity one end communicates each other, fixedly connected with second magnetite on the second piston, be provided with on the supporting shoe with the third magnetite that second magnetite opposite face magnetic pole is opposite, seted up on the fixed block and be used for the gliding spout of supporting shoe.

As another technical scheme, the supporting rod is provided with an opening, and the opening is in sliding connection with the extrusion rod.

As another technical scheme, two rubber blocks which are symmetrically arranged are installed on the sliding rod, and the cross section of each rubber block is semicircular.

As another technical scheme, a fixed sleeve is connected to the threaded rod in a threaded manner, two L-shaped rods are symmetrically arranged on the fixed sleeve, a third piston is mounted at one end of each L-shaped rod, and two inflatable cavities used for sliding of the third piston are formed in the exhaust box.

As another technical scheme, two slots used for the L-shaped rod to slide up and down are formed in the exhaust box, two elastic expansion plates are arranged on each slot, one end of each elastic expansion plate is fixedly connected with the inner wall of each slot, and the other end of each elastic expansion plate is fixedly connected with the L-shaped rod.

As another technical scheme, each inflation cavity is communicated with an exhaust pipe, and the fixed plate is provided with an exhaust block communicated with the exhaust pipes.

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

1. the plastic shell is continuously rotated, and the position of the spray head is changed, so that the spray head can automatically spray paint on two sides of the plastic shell, manual operation is not needed, one side of the plastic shell does not need to be sprayed with paint firstly, then the plastic shell is manually turned over, and the other side of the plastic shell is sprayed with paint, so that the paint spraying process of the plastic shell is simpler and more convenient, and the paint spraying efficiency of the plastic shell is improved;

2. in the process of spraying paint on the plastic shell, the plastic shell which is sprayed with paint just now can be blown simultaneously, the flow rate of air in the surrounding environment is increased, the drying efficiency of the paint is also increased, and the paint is more favorable for the quick use of the subsequent plastic shell.

Drawings

FIG. 1 is a schematic front view of a paint spraying apparatus for a plastic housing of an electric vehicle according to the present invention;

FIG. 2 is a schematic perspective view of a paint spraying apparatus for a plastic housing of an electric vehicle according to the present invention;

FIG. 3 is a schematic cross-sectional view of a bellows and a slide rod;

FIG. 4 is a schematic sectional perspective view of a fixing block;

fig. 5 is a front perspective view of the exhaust box.

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.

Referring to fig. 1 to 5, a painting apparatus for a plastic casing of an electric vehicle includes: the exhaust device comprises a bottom plate 1, two fixing plates 2 are arranged on the bottom plate 1, a transverse plate is arranged on the two fixing plates 2, a support 17 is rotatably arranged on the bottom plate 1, the transverse plate is connected with a rotating rod 7 through a torsion spring, the rotating rod 7 is connected with a fixing rod 9 through a pull rope 8, the rotating rod 7 is connected with the support 17 through a threaded rod 29, the fixing plate 2 is connected with an exhaust box 5 through a connecting rod, a fixing sleeve is in threaded connection with the threaded rod 29, two L-shaped rods 27 are symmetrically arranged on the fixing sleeve, a third piston 26 is arranged at one end of each L-shaped rod 27, two inflation cavities 28 for the sliding of the third pistons 26 are arranged on the exhaust box 5, since the fixing sleeve is screwed to the threaded rod 29 and the two L-shaped bars 27 are fixedly connected to the fixing sleeve, the L-shaped bars 27 slide in the slots, so that the two L-shaped bars 27 can be stably vertically moved, preventing the L-shaped bars 27 from being rotated.

The exhaust box 5 is provided with two slots for the L-shaped rod 27 to slide up and down, each slot is provided with two elastic expansion plates 25, one end of each elastic expansion plate 25 is fixedly connected with the inner wall of the slot, the other end of each elastic expansion plate 25 is fixedly connected with the L-shaped rod 27, each L-shaped rod 27 is provided with the elastic expansion plate 25, one end of each elastic expansion plate 25 is fixedly connected with the inner wall of the slot, the other end of each elastic expansion plate is fixedly connected with the surface of the L-shaped rod 27, and rubber pads are arranged on the inner walls at the two sides of the inner wall of the slot, so that when the L-shaped rod 27 moves vertically, the elastic expansion plates 25 deform simultaneously, gas in the inflation cavities 28 cannot be discharged from the slot positions, each inflation cavity 28 is communicated with an exhaust pipe 6, the fixed plate 2 is provided with an exhaust block 4 mutually communicated with the exhaust pipe 6, and the exhaust pipe 6 is communicated with the exhaust block 4, so that the gas in the exhaust pipe 6 is sprayed out towards the plastic shell from the pipeline, the paint is beneficial to quick drying; the fixed block 15, the last reciprocal lead screw 12 of rotating of fixed block 15, threaded connection has the bracing piece 11 on the reciprocal lead screw 12, and the bracing piece 11 passes through bellows 13 and fixed block 15 and connects.

The fixing mechanism comprises a gravity block 24 clamped on the supporting rod 11, an extrusion rod 19 is fixedly mounted on the transverse plate, a first magnet 20 is mounted on the gravity block 24, a sliding rod 22 is slidably mounted on the fixing block 15, a first piston 31 is mounted on the sliding rod 22, an opening 23 is formed in the supporting rod 11, the opening 23 is slidably connected with the extrusion rod 19, when the supporting rod 11 moves to the top, the extrusion rod 19 just passes through the opening 23 in the supporting rod 11 and can be in contact with the gravity block 24, under the extrusion action of the extrusion rod 19, the gravity block 24 can be separated from a clamping groove in the supporting rod 11, and under the action of gravity, the gravity block 24 can move downwards; the rotating mechanism comprises a mounting cavity 32 formed in a fixing block 15, a second piston 18 is arranged in the mounting cavity 32 in a sliding mode, a supporting block 16 is arranged on the fixing block 15, a paint box 10 is arranged on the fixing plate 2, the paint box 10 is connected with the supporting block 16 through a communicating pipe 14, a sliding cavity 30 used for the sliding rod 22 to slide up and down is formed in the fixing block 15, the cross section of the mounting cavity 32 is semi-arc-shaped, and the sliding cavity 30 is communicated with one end of the mounting cavity 32.

The second magnet 3 is fixedly connected to the second piston 18, the third magnet with the opposite magnetic pole to the second magnet 3 is arranged on the supporting block 16, a sliding groove for the supporting block 16 to slide is formed in the fixed block 15, because the mounting cavity 32 is communicated with one end of the sliding cavity 30, the cross section of the mounting cavity 32 is in a semi-circular arc shape, the pressure intensity of the space between the first piston 31 and the second piston 18 is constant, after the first piston 31 moves downwards, the second piston 18 just moves to the other end of the mounting cavity 32, because the second magnet 3 fixedly connected to the second piston 18 is opposite to the opposite magnetic pole of the third magnet on the supporting block 16, the second magnet 3 and the third magnet have the mutually attracting acting force, and in the moving process of the second piston 18, the supporting block 16 simultaneously moves and just rotates one hundred eighty degrees, and set up the recess the same with installation cavity 32 cross sectional shape on the fixed block 15 for supporting shoe 16 removes more stably, install two rubber blocks 21 that are the symmetry and set up on the slide bar 22, every rubber block 21 cross section all sets up to semi-circular, two rubber blocks 21 on the slide bar 22, take place to be located the upper surface of fixed block 15 after the deformation, when bracing piece 11 and gravity piece 24 continue upwards to move, slide bar 22 is under the limiting action of two rubber blocks 21, will be stable be located on fixed block 15, slide bar 22 also can not move downwards.

In the invention, because a plurality of clamping pieces are arranged on the bracket 17, each plastic shell is fixed by the clamping pieces, then the switch of the servo motor and the oil pump switch on the paint box 10 are opened, under the action of the oil pump, paint in the paint box 10 is sprayed out through the spray head at one end of the communicating pipe 14, the spray head is obliquely opposite to the plastic shell, so that the paint can be sprayed on the surface of the plastic shell better, simultaneously, because the driving end of the servo motor is fixedly connected with one end of the reciprocating screw rod 12, the reciprocating screw rod 12 is rotated under the driving action of the servo motor, the supporting rod 11 in threaded connection on the reciprocating screw rod 12 moves along with the rotation of the reciprocating screw rod 12, one end of the hard corrugated pipe 13 is fixedly connected with the supporting rod 11, the other end is fixedly connected with the fixed block 15, under the limiting action of the corrugated pipe 13, can prevent the supporting rod 11 from rotating, in the process that the supporting rod 11 moves upwards, the groove arranged on the supporting rod 11 can be contacted with the pull rope 8, because one end of the pull rope 8 is wound on the rotating rod 7, and the rotating rod 7 is provided with a limit structure for preventing the pull rope 8 from falling off, the other end of the pull rope 8 is fixedly wound on the fixed rod 9, the pull rope 8 can be elongated along with the upward movement of the supporting rod 11, and the rotating rod 7 rotates simultaneously, because the rectangular opening is arranged on the transverse plate, the transverse plate is prevented from blocking the movement of the supporting rod 11, because one end of the threaded rod 29 is fixedly connected with the rotating rod 7, the other end of the threaded rod 29 is fixedly connected with the bracket 17, and the quality of the plastic shell is smaller, in the rotating process of the rotating rod 7, the threaded rod 29 and the bracket 17 can both rotate simultaneously, so that the plastic shell clamped on the bracket 17 rotates together, in the rotating process of the plastic shells, the spray head can spray paint to the plurality of plastic shells in sequence;

when the supporting rod 11 moves to the top, the extruding rod 19 just passes through the opening 23 on the supporting rod 11 and contacts with the gravity block 24, the gravity block 24 is separated from the clamping groove on the supporting rod 11 under the extruding action of the extruding rod 19, the gravity block 24 and the first magnet 20 fixedly connected with the gravity block 24 move downwards under the gravity action, the gravity block 24 is arranged inside the corrugated pipe 13, the corrugated pipe 13 has a certain guiding action on the movement of the gravity block 24, two rubber blocks 21 on the sliding rod 22 in an initial state are clamped on the upper surface of the fixed block 15, when the gravity block 24 rapidly falls to the bottom, the gravity block 24 firstly contacts with the sliding rod 22, and the rubber blocks 21 deform under the gravity action of the gravity block 24, the sliding rod 22 slides downwards, the first piston 31 fixedly connected with the sliding rod 22, will move downwards in the sliding chamber 30, because the mounting chamber 32 and one end of the sliding chamber 30 are connected with each other, and the cross section of the mounting chamber 32 is set to be semi-circular arc, and the pressure intensity of the space between the first piston 31 and the second piston 18 is constant, during the downward movement of the first piston 31, the second piston 18 will move right to the other end of the mounting chamber 32, because the second magnet 3 fixedly connected to the second piston 18, and the magnetic pole opposite to the facing surface of the third magnet on the supporting block 16, there will be the acting force of mutual attraction between the second magnet 3 and the third magnet, during the movement of the second piston 18, the supporting block 16 will also move at the same time, and rotate right to one hundred eighty degrees, because the length of the communicating pipe 14 is enough, the nozzle head clamped with the supporting block 16 on the communicating pipe 14 will also rotate one hundred eighty degrees together, because the speed of the gravity block 24 is very fast, when the sprayer rotates one hundred eighty degrees, the support rod 11 just moves downwards, after the support rod 11 moves downwards, because one end of the torsion spring is fixedly connected with the transverse plate and the other end of the torsion spring is fixedly connected with the rotating rod 7, the rotating rod 7 can rotate reversely under the action of the elastic force of the torsion spring, the pull rope 8 which is elongated before is wound on the rotating rod 7 again, the threaded rod 29 and the support 17 can also rotate reversely at the same time, and the sprayer can spray paint on the other side of the plastic shell;

when the support rod 11 moves to the lowest position, the clamping groove on the support rod 11 is clamped with the gravity block 24 again, then the support rod 11 moves upwards, the gravity block 24 moves upwards together, because the sliding rod 22 is made of ferrous materials, the first magnet 20 has vertical and upward attraction to the sliding rod 22, so that the sliding rod 22 also moves together, the limiting effect of the clamping groove on the support rod 11 on the gravity block 24 is far greater than the effect of the attraction, the separation of the gravity block 24 from the clamping groove is avoided, when the sliding rod 22 moves upwards to a certain position, the locking piece in the sliding cavity 30 limits the sliding rod 22 to continue moving upwards, and at the moment, the two rubber blocks 21 on the sliding rod 22 deform and are positioned on the upper surface of the fixed block 15, the support rod 11 and the gravity block 24 continue moving upwards, and the sliding rod 22 is under the limiting effect of the two rubber blocks 21, the sliding rod 22 can be stably positioned on the fixed block 15, the sliding rod 22 can not move downwards, then the above processes are repeated, paint can be continuously sprayed on two sides of the plastic shell, one side of the plastic shell does not need to be painted, then the plastic shell is manually turned over, and paint is sprayed on the other side of the plastic shell, so that the paint spraying process of the plastic shell is simpler and more convenient, and the paint spraying efficiency of the plastic shell is improved;

one end of the connecting rod is fixedly connected with the fixed plate 2, the other end of the connecting rod is fixedly connected with the exhaust box 5, the threaded rod 29 penetrates through the exhaust box 5, in the rotating process of the threaded rod 29, because the fixed sleeve is in threaded connection with the threaded rod 29, the two L-shaped rods 27 are fixedly connected with the fixed sleeve, and the L-shaped rods 27 slide in the grooves, the two L-shaped rods 27 can stably and vertically move, because the sealing performance of the connection between the threaded rod 29 and the exhaust box 5 is good, each L-shaped rod 27 is provided with the elastic expansion plate 25, one end of the elastic expansion plate 25 is fixedly connected with the inner wall of the groove, the other end of the elastic expansion plate 25 is fixedly connected with the surface of the L-shaped rod 27, and the inner walls at the two sides of the inner wall of the groove are also provided with rubber pads, when the L-shaped rods 27 vertically move, the elastic expansion plate 25 simultaneously deforms, gas in the inflation cavity 28 can not be discharged from the positions of the grooves, because the two L-shaped rods 27 are reversely arranged, when moving upwards, the third piston 26 on the right side can extrude the gas inside, so that the gas enters the exhaust pipe 6, because the exhaust pipe 6 is communicated with the pipeline on the exhaust block 4, the gas in the exhaust pipe 6 can be sprayed out from the pipeline towards the plastic shell, thereby being beneficial to quick drying of paint, when the L-shaped rod 27 moves downwards, the third piston 26 on the left side can discharge the extruded gas, and the extruded gas sequentially passes through the pipelines on the exhaust pipe 6 and the exhaust block 4 and is sprayed out towards the plastic shell, so that the paint can be quickly dried, and each exhaust pipe 6 is provided with a one-way valve, the air inlet on the inflation cavity 28 is also provided with a one-way valve, and the one-way valve limits that the gas can only enter from the air inlet and is discharged from the exhaust pipe 6.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (6)

1. A paint spraying apparatus for an electric vehicle plastic enclosure, the paint spraying apparatus comprising:

the exhaust box comprises a bottom plate (1), wherein two fixing plates (2) are installed on the bottom plate (1), a transverse plate is arranged on the two fixing plates (2), a support (17) is installed on the bottom plate (1) in a rotating mode, the transverse plate is connected with a rotating rod (7) through a torsion spring, the rotating rod (7) is connected with a fixing rod (9) through a pull rope (8), the rotating rod (7) is connected with the support (17) through a threaded rod (29), and the fixing plates (2) are connected with an exhaust box (5) through connecting rods;

the device comprises a fixed block (15), wherein a reciprocating screw rod (12) is rotatably mounted on the fixed block (15), a support rod (11) is in threaded connection with the reciprocating screw rod (12), and the support rod (11) is connected with the fixed block (15) through a corrugated pipe (13);

the fixing mechanism comprises a gravity block (24) clamped on the supporting rod (11), an extrusion rod (19) is fixedly mounted on the transverse plate, a first magnet (20) is mounted on the gravity block (24), a sliding rod (22) is slidably mounted on the fixing block (15), and a first piston (31) is mounted on the sliding rod (22);

a rotating mechanism which comprises an installation cavity (32) arranged on the fixed block (15), a second piston (18) is arranged in the mounting cavity (32) in a sliding manner, a supporting block (16) is arranged on the fixed block (15), the fixed plate (2) is provided with a paint box (10), the paint box (10) is connected with the supporting block (16) through a communicating pipe (14), a sliding cavity (30) for the sliding rod (22) to slide up and down is arranged on the fixed block (15), the cross section of the installation cavity (32) is arranged to be semi-circular arc, one end of the sliding cavity (30) is communicated with one end of the installation cavity (32), a second magnet (3) is fixedly connected to the second piston (18), a third magnet with a magnetic pole opposite to that of the opposite surface of the second magnet (3) is arranged on the supporting block (16), the fixed block (15) is provided with a sliding groove for the supporting block (16) to slide.

2. The paint spraying apparatus for plastic housings of electric vehicles according to claim 1, wherein the supporting rod (11) is provided with an opening (23), and the opening (23) is slidably connected with the pressing rod (19).

3. The paint spraying apparatus for plastic housings of electric vehicles according to claim 1, wherein the sliding rod (22) is mounted with two symmetrically arranged rubber blocks (21), each rubber block (21) having a semicircular cross section.

4. The paint spraying device for the plastic shell of the electric vehicle as claimed in claim 1, wherein a fixing sleeve is connected to the threaded rod (29) in a threaded manner, two L-shaped rods (27) are symmetrically arranged on the fixing sleeve, a third piston (26) is mounted at one end of each L-shaped rod (27), and two inflation cavities (28) for sliding of the third pistons (26) are formed in the exhaust box (5).

5. The paint spraying device for the plastic shell of the electric vehicle as claimed in claim 4, wherein the exhaust box (5) is provided with two slots for the L-shaped rod (27) to slide up and down, each slot is provided with two elastic expansion plates (25), one end of each elastic expansion plate (25) is fixedly connected with the inner wall of the slot, and the other end of each elastic expansion plate (25) is fixedly connected with the L-shaped rod (27).

6. The paint spraying device for the plastic shell of the electric vehicle as claimed in claim 4, characterized in that each inflation cavity (28) is communicated with an exhaust pipe (6), and the fixed plate (2) is provided with an exhaust block (4) communicated with the exhaust pipe (6).

Images