Electrostatic spray gun and robot

Abstract

The electrostatic spray gun comprises a mounting frame, a threading plate, a spray gun body, a cable and a coating pipe, the threading plate is connected to the mounting frame and obliquely arranged relative to the mounting frame, a threading hole is formed in the end, away from the threading plate, of the mounting frame, and the spray gun body is connected to the mounting frame and obliquely arranged relative to the mounting frame; the spray gun body is provided with a cable channel and a coating channel, the cable penetrates through the threading hole and extends into the cable channel, the cable is used for being electrically connected with the spray gun body, the coating pipe penetrates through the threading hole and is connected to the coating channel, and the coating pipe is used for providing coating for the coating channel. Therefore, the size can be reduced, and the application range is expanded. The device is widely applied to the technical field of electrostatic spraying.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of electrostatic spraying, in particular to an electrostatic spray gun and a robot. BACKGROUND

[0002] At present, in order to facilitate cleaning and maintenance, a robot electrostatic spray gun usually sets all the pipelines and cables etc. in the spray gun body, which leads to the increase of the size of the electrostatic spray gun, and requires a larger space during installation and spraying, so that the electrostatic spray gun cannot be adapted to the robot with smaller installation space, and cannot be applied to the application scene with smaller spraying space, which greatly limits the application range of the electrostatic spray gun. CONTENT OF THE UTILITY MODEL

[0003] The present application aims to at least solve one of the technical problems existing in the prior art. To this end, the present application provides an electrostatic spray gun which can reduce the volume and expand the application range.

[0004] The present application also provides a robot with the electrostatic spray gun.

[0005] The electrostatic spray gun according to the first aspect of the present application is applied to a robot, and comprises:

[0006] a mounting frame;

[0007] a threading plate connected to the mounting frame and arranged obliquely relative to the mounting frame, one end of the mounting frame away from the threading plate being provided with a threading hole;

[0008] a spray gun body connected to the mounting frame and arranged obliquely relative to the mounting frame, the spray gun body being provided with a cable channel and a paint channel;

[0009] a cable passing through the threading hole and extending into the cable channel, the cable being used for electrical connection with the spray gun body;

[0010] a paint pipe passing through the threading hole and connected to the paint channel, the paint pipe being used for providing paint for the paint channel.

[0011] According to the electrostatic spray gun, the following beneficial effects are achieved: the cable and the paint pipe are constrained by the threading plate, the size of the head of the electrostatic spray gun is reduced, the electrostatic spray gun can be applied to a smaller application scenario of a spraying space, the cable and the paint pipe can be constrained by the threading plate, the volume of the electrostatic spray gun is reduced, the occupied space of the electrostatic spray gun during installation and use is reduced, the electrostatic spray gun can be applied to different application scenarios, and the application range is expanded.

[0012] According to some embodiments of the present application, the threading plate extends along a first direction, the threading hole is arranged through the threading plate, a center line of the threading hole is perpendicular to the first direction, the spray gun body extends along a second direction, the cable channel and the paint channel extend along the second direction, the first direction is perpendicular to the second direction, and the threading plate and the spray gun body extend to two sides of the mounting rack, respectively.

[0013] According to some embodiments of the present application, the threading plate and the mounting rack are detachably connected, and / or the spray gun body and the mounting rack are detachably connected.

[0014] According to some embodiments of the present application, the electrostatic spray gun further comprises a color changing valve, and the color changing valve is detachably connected to the mounting rack.

[0015] According to some embodiments of the present application, the spray gun body comprises a gun body, a conductive assembly and a nozzle, the gun body is provided with the cable channel and the paint channel, the paint channel and the cable channel are in communication, the paint pipe is installed in the paint channel, and the nozzle is arranged at an end of the paint channel away from the threading plate, the conductive assembly is installed in the cable channel and electrically connected to the cable, and the conductive assembly is used to charge the paint sprayed via the nozzle.

[0016] According to some embodiments of the present application, the conductive assembly comprises a cable connector, a spring and an electrode needle, the cable connector is used to fix the cable, the wire inside the cable is connected to the spring, the electrode needle is indirectly or directly connected to the spring, and the electrode needle is installed in the nozzle.

[0017] According to some embodiments of the present application, the conductive assembly further comprises a conductive sponge and a conductive plug, the conductive sponge is located between the spring and the conductive plug, one end of the conductive sponge is connected to the spring, the other end of the conductive sponge is connected to the conductive plug, the conductive plug is sealed in the cable channel, the electrode needle is connected to the end of the conductive plug away from the conductive sponge, and the connection between the paint channel and the cable channel is located between the conductive plug and the nozzle.

[0018] According to some embodiments of the present application, the electrostatic spray gun further comprises a first air pipe, the gun body is provided with a first air channel, the first air channel is communicated with the nozzle, the first air pipe passes through the threading hole and is connected to the first air channel, and the first air pipe is used to provide air for the first air channel to atomize the paint sprayed through the nozzle.

[0019] According to some embodiments of the present application, the electrostatic spray gun further comprises a second air pipe and an air cap, the air cap is installed on the end of the gun body close to the nozzle, the end of the air cap away from the gun body is provided with a diffusion groove, the nozzle extends into the diffusion groove, the gun body is provided with a second air channel, the second air channel is communicated with the diffusion groove and is arranged in a spaced manner with the first air channel, the second air pipe passes through the threading hole and is connected to the second air channel, and the second air pipe is used to provide air for the second air channel to disperse the paint passing through the diffusion groove.

[0020] The robot according to the second aspect of the present application comprises a frame and the electrostatic spray gun according to the first aspect.

[0021] The robot according to the present application has at least the following beneficial effects: the volume can be reduced, and the application range can be expanded.

[0022] Additional aspects and advantages of the present application will be in part apparent and in part pointed out hereinafter. BRIEF DESCRIPTION OF DRAWINGS

[0023] The present application will be further described below in conjunction with the drawings and embodiments, wherein:

[0024] Figure 1 The electrostatic spray gun disclosed in the embodiments of the present application is a structure schematic diagram in one perspective view;

[0025] Figure 2 The electrostatic spray gun disclosed in the embodiments of the present application is a structure schematic diagram in one perspective view; Figure 1 The electrostatic spray gun disclosed in the embodiments of the present application is a structure schematic diagram in one perspective view;

[0026] Figure 3 The electrostatic spray gun disclosed in the embodiments of the present application is a structure schematic diagram in one perspective view; Figure 2An enlarged view of the middle A;

[0027] Figure 4 A structural schematic view of the electrostatic spray gun disclosed by the embodiment of the present application in another perspective view;

[0028] Figure 5 A B-B sectional view of the electrostatic spray gun in Figure 4

[0029] Reference signs:

[0030] 1. electrostatic spray gun; 10. mounting frame; 101. fixing seat; 102. first mounting plate; 103. second mounting plate; 20. threading plate; 201. threading hole; 30. spray gun body; 301. gun body; 3011. cable channel; 3012. paint channel; 3013. first air channel; 3014. second air channel; 302. conductive assembly; 3021. cable joint; 3022. spring; 3023. electrode needle; 3024. conductive sponge; 3025. conductive plug; 3026. first sealing element; 3027. second sealing element; 303. nozzle; 40. cable; 50. paint pipe; 60. first air pipe; 70. second air pipe; 80. air cap; 801. diffusion groove. DETAILED DESCRIPTION

[0031] The embodiments of the present application are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the accompanying drawings are exemplary, only for explaining the present application, and cannot be understood as a limitation of the present application.

[0032] In the description of the present application, it is understood that if the terms "center", "middle", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship shown in the drawings, 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, therefore cannot be understood as a limitation of the present application.

[0033] ​In the description of the application, the meaning of several is more than one, the meaning of multiple is more than two, greater than, less than, more than, etc. are understood as not including the number, above, below, etc. are understood as including the number. If it is described as first, second, it is only used for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or the sequence of indicated technical features.

[0034] In the description of the application, unless otherwise explicitly specified and limited, the terms "set", "install", "connect", "connect" 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, and it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the application can be understood according to the specific circumstances.

[0035] In the description of the application, if the description of the terms "as an embodiment", "an embodiment", "some examples", "some embodiments", "illustrative embodiments", "example", "specific example", "some examples" and the like means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the application. In the description, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0036] The content of the application will be described in detail below in conjunction with the embodiments and the drawings. It should be noted that the following description is only exemplary and is not a specific limitation on the application.

[0037] Please refer to Figures 1 to 3 , the first aspect, the embodiment of the application provides a static spray gun 1, including mounting bracket 10, threading plate 20, spray gun body 30, cable and paint pipe, threading plate 20 is connected to mounting bracket 10 and is arranged obliquely relative to mounting bracket 10, the end of mounting bracket 10 away from threading plate 20 is provided with threading hole 201, spray gun body 30 is connected to mounting bracket 10 and is arranged obliquely relative to mounting bracket 10, spray gun body 30 is provided with cable passage 3011 and paint passage 3012, cable passes through threading hole 201 and extends into cable passage 3011, cable is used for electrically connecting with spray gun body 30, paint pipe passes through threading hole 201 and is connected to paint passage 3012, paint pipe is used for providing paint for paint passage 3012.

[0038] The electrostatic spray gun 1 of the embodiment of the present application is provided with the threading plate 20 and the spray gun body 30 which are respectively connected to the mounting rack 10 and are arranged obliquely relative to the mounting rack 10, so as to facilitate reducing the size of the head of the electrostatic spray gun 1, and to make the electrostatic spray gun 1 applicable to smaller application scenarios of the spraying space. Meanwhile, the end of the mounting rack 10 away from the threading plate 20 is provided with the threading hole 201, the cable passes through the threading hole 201 and extends into the cable channel 3011, and the paint pipe passes through the threading hole 201 and is connected to the paint channel 3012, so as to constrain the cable and the paint pipe through the threading plate 20, thereby facilitating reducing the volume of the electrostatic spray gun 1, and reducing the occupied space of the electrostatic spray gun 1 during installation and use, so as to make the electrostatic spray gun 1 applicable to different application scenarios and expand the application range.

[0039] In some embodiments, the spraying pipe is connected to one end of the paint channel 3012, so as to not only ensure that the paint enters the paint channel 3012, but also reduce the size of the paint channel 3012, thereby further reducing the volume of the spray gun body 30.

[0040] Understandably, in other embodiments, the spraying pipe can also extend into the paint channel 3012 and extend along the paint channel 3012.

[0041] In some embodiments, the threading plate 20 extends along a first direction, the threading hole 201 is arranged through the threading plate 20, the center line of the threading hole 201 is perpendicular to the first direction, the spray gun body 30 extends along a second direction, the cable channel 3011 and the paint channel 3012 extend along the second direction, the first direction is perpendicular to the second direction, and the threading plate 20 and the spray gun body 30 extend to two sides of the mounting rack 10 respectively.

[0042] In this way, by limiting the threading hole 201 and the cable channel 3011 and the paint channel 3012 to extend along the same direction (or parallel direction), the threading hole 201 can be facilitated to be in communication with the cable channel 3011 and the paint channel 3012, so as to facilitate the cable and the paint pipe to pass through the threading hole 201 and be connected to the cable channel 3011 and the paint channel 3012, thereby reducing the bending design of the cable and the pipe, and facilitating the design and assembly of the electrostatic spray gun 1. Meanwhile, by arranging the threading plate 20 and the spray gun body 30 to extend along the two sides of the mounting rack 10 respectively, the space of the mounting rack 10 can be reasonably utilized while reducing the bending design of the cable and the pipe, thereby facilitating reducing the volume of the electrostatic spray gun 1.

[0043] Understandably, in other embodiments, the first direction and the second direction can also be an acute angle or an obtuse angle.

[0044] Optionally, the threading plate 20 is detachably connected with the mounting frame 10, so as to facilitate replacement and maintenance of the threading plate 20 and installation of cables and pipes, thereby reducing maintenance cost and downtime and improving production efficiency.

[0045] Optionally, the spray gun body 30 is detachably connected with the mounting frame 10, so as to facilitate replacement and maintenance of the spray gun body 30 and installation of cables and pipes, thereby reducing maintenance cost and downtime and improving production efficiency.

[0046] Optionally, the mounting frame 10 is connected with the threading plate 20 and the spray gun body 30 in a threaded connection manner, so as to ensure detachability between the mounting frame 10, the threading plate 20 and the spray gun body 30 and improve structural reliability.

[0047] It can be understood that, in other embodiments, the mounting frame 10 can be connected with the threading plate 20 and the spray gun body 30 in a snap connection, pin connection or key connection manner, or in a non-detachable connection manner (such as welding or bonding).

[0048] In some embodiments, the electrostatic spray gun 1 further comprises a color changing valve, which is detachably connected with the mounting frame 10.

[0049] In this way, the electrostatic spray gun 1 can be adapted to different types and quantities of color changing valves according to actual needs. When the properties of the paint require circulation, a three-way valve with a circulation function can be matched and installed; when the paint does not require circulation, a two-way valve that only controls the switch can be matched and installed. Through flexible configuration of the color changing valve, the intelligent level of the spraying operation and the production efficiency can be improved, and the production cost can be reduced.

[0050] Optionally, the mounting frame 10 comprises a fixed seat 101, a first mounting plate 102 and a second mounting plate 103. The first mounting plate 102 and the second mounting plate 103 are spaced apart and connected with the fixed seat 101. The spray gun body 30 and the threading plate 20 are arranged between the first mounting plate 102 and the second mounting plate 103. The ends of the first mounting plate 102 and the second mounting plate 103 away from the fixed seat 101 are detachably connected with the two sides of the spray gun body 30, respectively. The first mounting plate 102 and the second mounting plate 103 are detachably connected with the two sides of the threading plate 20, respectively. The threading plate 20 is arranged between the fixed seat 101 and the spray gun body 30. The color changing valve is detachably connected with the first mounting plate 102 or the second mounting plate 103. Thus, the structural reliability of the electrostatic spray gun 1 can be improved, and the space can be reasonably utilized. The electrostatic spray gun 1 can be adapted to different quantities and weights of color changing valves, and the design of the electrostatic spray gun 1 is more flexible.

[0051] In some embodiments, the spray gun body 30 comprises a gun body 301, a conductive assembly 302 and a nozzle 303, the gun body 301 is detachably connected to the first mounting plate 102 and the second mounting plate 103, the gun body 301 is provided with a cable passage 3011 and a paint passage 3012, the paint passage 3012 is in communication with the cable passage 3011, a paint pipe is installed in the paint passage 3012, and the nozzle 303 is arranged at one end of the paint passage 3012 away from the threading plate 20, the conductive assembly 302 is installed in the cable passage 3011 and electrically connected to the cable, and the conductive assembly 302 is used to charge the paint sprayed through the nozzle 303.

[0052] In this way, the paint sprayed through the nozzle 303 is charged, and electrostatic spraying can be realized to facilitate the improvement of the spraying quality.

[0053] Optionally, the conductive assembly 302 comprises a cable connector 3021, a spring 3022 and an electrode needle 3023, the cable connector 3021 is used to fix the cable, the wire inside the cable is connected to the spring 3022, the electrode needle 3023 is indirectly or directly connected to the spring 3022, and the electrode needle 3023 is installed in the nozzle 303.

[0054] In this way, by arranging the spring 3022, the gap in the charge conduction path caused by the vibration of the gun body 301 during the spraying operation can be compensated, which facilitates the ensuring of the conduction of the charge of the cable to the electrode needle 3023, so as to ensure that the paint sprayed through the nozzle 303 is charged, thereby ensuring the spraying quality of the electrostatic spray gun 1.

[0055] Optionally, the conductive assembly 302 further comprises a conductive sponge 3024 and a conductive plug 3025, the conductive sponge 3024 is located between the spring 3022 and the conductive plug 3025, one end of the conductive sponge 3024 is connected to the spring 3022, the other end of the conductive sponge 3024 is connected to the conductive plug 3025, the conductive plug 3025 blocks the cable passage 3011, the electrode needle 3023 is connected to one end of the conductive plug 3025 away from the conductive sponge 3024, and the connection between the paint passage 3012 and the cable passage 3011 is located between the conductive plug 3025 and the nozzle 303.

[0056] In this way, by arranging the conductive sponge 3024, the contact area of the spring 3022 and the conductive plug 3025 can be increased, which facilitates the conduction of the charge and improves the stability of the conduction, so as to further ensure that the paint sprayed through the nozzle 303 is charged and improve the spraying quality of the electrostatic spray gun 1. Meanwhile, by arranging the conductive plug 3025 to block the cable passage 3011, the sealing performance of the electrostatic spray gun 1 can be improved, the outflow of the paint through the cable passage 3011 away from the nozzle 303 can be avoided, and the operation reliability of the electrostatic spray gun 1 can be improved.

[0057] Optionally, the conductive assembly 302 further comprises a first sealing member 3026, which is arranged between the conductive sponge 3024 and the conductive plug 3025, so as to improve the sealing performance of the cable channel 3011, further improve the sealing effect of the conductive plug 3025 on the cable channel 3011, effectively avoid the situation that the paint flows out of the cable channel 3011 in a direction away from the nozzle 303, and improve the operation reliability of the electrostatic spray gun 1.

[0058] Optionally, the conductive assembly 302 further comprises a second sealing member 3027, which is arranged between the cable joint 3021 and the spring 3022, so as to improve the sealing performance of the cable channel 3011, realize multi-layer sealing protection of the cable channel 3011, further avoid the situation that the paint flows out of the cable channel 3011 in a direction away from the nozzle 303, and improve the operation reliability of the electrostatic spray gun 1.

[0059] Optionally, the first sealing member 3026 and the second sealing member 3027 can be sealing rings, and the first sealing member 3026 is sleeved on the smaller end of the conductive plug 3025.

[0060] It can be understood that in other embodiments, the first sealing member 3026 and the second sealing member 3027 can also be any one of a sealing gasket, a sealing strip, an oil seal, etc.

[0061] Please refer to Figure 4 and Figure 5 In some embodiments, the electrostatic spray gun 1 further comprises a first air pipe, the gun body 301 is provided with a first air channel 3013, the first air channel 3013 is communicated with the nozzle 303, and the first air pipe passes through the threading hole 201 and is connected to the first air channel 3013, so as to provide air for the first air channel 3013, so that the paint sprayed out of the nozzle 303 is atomized.

[0062] By atomizing the paint by passing air, on the one hand, the composition of the paint can be ensured while the particle size of the paint sprayed out is reduced, so that the charged paint particles can form a uniform and smooth coating on the surface of the workpiece, thereby improving the spraying quality, and on the other hand, the atomized paint can have a larger spraying area, which is conducive to realizing spraying of a larger area on the workpiece in a smaller spraying space, thereby being conducive to adapting to different application scenarios and expanding the application range of the electrostatic spray gun 1.

[0063] Optionally, the electrostatic spray gun 1 further comprises a second air pipe and an air cap 40, the air cap 40 is installed on one end of the gun body 301 close to the nozzle 303, the end of the air cap 40 away from the gun body 301 is provided with a diffusion groove 401, the nozzle 303 extends into the diffusion groove 401, the spray gun body 30 is provided with a second air passage 3014, the second air passage 3014 is arranged in a spaced manner with the first air passage 3013 and communicates with the diffusion groove 401, the second air pipe passes through the threading hole 201 and is connected to the second air passage 3014, the second air pipe is used to provide air for the second air passage 3014, so that the paint passing through the diffusion groove 401 is dispersed.

[0064] Thus, the spraying area of the paint sprayed by the electrostatic spray gun 1 can be increased, which is beneficial to realize large-area spraying of the workpiece in a smaller spraying space, and is beneficial to adapt to different application scenarios and expand the application range of the electrostatic spray gun 1.

[0065] In addition, the first air pipe and the second air pipe both pass through the threading hole 201, which can make the pipes more compact under the constraint of the threading plate 20, at this time, the first air pipe, the second air pipe, the cable and the paint pipe all pass through the threading hole 201, which can be beneficial to limit the arrangement and assembly of the first air pipe, the second air pipe, the cable and the paint pipe outside the spray gun body 30, so as to reduce the volume of the electrostatic spray gun 1, thereby reducing the occupied space of the electrostatic spray gun 1 during installation and use, so that the electrostatic spray gun 1 can be applied to different application scenarios and expand the application range.

[0066] Optionally, the size of the diffusion groove 401 gradually increases away from the gun body 301, which is beneficial to make the paint sprayed through the nozzle 303 flow along the groove wall of the diffusion groove 401, so as to increase the spraying area of the paint.

[0067] Optionally, the first air pipe, the second air pipe, the cable and the paint pipe are bundled together, which can be beneficial to the assembly of the electrostatic spray gun 1 and reduce the force of the pipes and the cable on the threading hole 201, so as to improve the reliability of the threading plate 20 and the structural reliability of the electrostatic spray gun 1.

[0068] In some embodiments, the first air pipe is connected to one end of the first air passage 3013, and the second air pipe is connected to one end of the second air passage 3014, so as to ensure that air enters the first air passage 3013 and the second air passage 3014, and to reduce the size of the first air passage 3013 and the second air passage 3014, thereby further reducing the volume of the spray gun body 30.

[0069] It can be understood that in other embodiments, the first air pipe can also extend into and along the first air passage 3013, and the second air pipe can also extend into and along the second air passage 3014.

[0070] In a second aspect, the application also provides a robot (not shown) comprising a frame and the electrostatic spray gun 1 of the first aspect, wherein the fixing seat of the mounting frame is connected to the frame.

[0071] It can be understood that since the robot comprises the electrostatic spray gun 1 of the first aspect, the robot has the beneficial effects of the electrostatic spray gun 1 of the first aspect, which will not be repeated here.

[0072] The embodiments of the application are described in detail above with reference to the drawings, but the application is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the purpose of the application. In addition, the embodiments of the application and the features in the embodiments can be combined with each other without conflict.

Claims

1. An electrostatic spray gun, characterized by The electrostatic spray gun is applied to a robot, and comprises: a mounting frame; a threading plate connected to the mounting frame and arranged obliquely relative to the mounting frame, an end of the mounting frame away from the threading plate being provided with a threading hole; a gun body connected to the mounting frame and arranged obliquely relative to the mounting frame, the gun body being provided with a cable channel and a paint channel; a cable passing through the threading hole and extending into the cable channel, the cable being used for electrical connection with the gun body; a paint pipe passing through the threading hole and connected to the paint channel, the paint pipe being used for providing paint for the paint channel.

2. The electrostatic spray gun of claim 1, wherein, The threading plate extends along a first direction, the threading hole is arranged through the threading plate, a center line of the threading hole is perpendicular to the first direction, the gun body extends along a second direction, the cable channel and the paint channel extend along the second direction, the first direction is perpendicular to the second direction, and the threading plate and the gun body extend to two sides of the mounting frame respectively.

3. The electrostatic spray gun of claim 1, wherein, The threading plate and the mounting frame are detachably connected, and / or the gun body and the mounting frame are detachably connected.

4. The electrostatic spray gun of claim 1, wherein, The electrostatic spray gun further comprises a color changing valve which is detachably connected to the mounting frame.

5. The electrostatic spray gun of claim 1, wherein, The gun body comprises a gun body, a conductive assembly and a nozzle, the gun body is provided with the cable channel and the paint channel, the paint channel and the cable channel are communicated, the paint pipe is mounted in the paint channel, and the nozzle is arranged at an end of the paint channel away from the threading plate, the conductive assembly is mounted in the cable channel and electrically connected to the cable, and the conductive assembly is used for applying an electric charge to paint sprayed through the nozzle.

6. The electrostatic spray gun of claim 5, wherein, The conductive assembly comprises a cable connector, a spring and an electrode needle, the cable connector is used for fixing the cable, an electric wire inside the cable is connected to the spring, the electrode needle is indirectly or directly connected to the spring, and the electrode needle is mounted in the nozzle.

7. The electrostatic spray gun of claim 6, wherein, The conductive assembly further comprises a conductive sponge and a conductive plug, the conductive sponge is located between the spring and the conductive plug, one end of the conductive sponge is connected to the spring, the other end of the conductive sponge is connected to the conductive plug, the conductive plug is blocked in the cable channel, the electrode needle is connected to an end of the conductive plug away from the conductive sponge, and a connection position of the paint channel and the cable channel is located between the conductive plug and the nozzle.

8. The electrostatic spray gun of claim 5, wherein, The electrostatic spray gun further comprises a first air pipe, the gun body is provided with a first air channel, the first air channel is communicated with the nozzle, the first air pipe passes through the threading hole and is connected to the first air channel, and the first air pipe is used for providing air for the first air channel to atomize paint sprayed through the nozzle.

9. The electrostatic spray gun of claim 8, wherein, The electrostatic spray gun further comprises a second air tube and an air cap, the air cap is mounted on one end of the gun body close to the nozzle, the end of the air cap away from the gun body is provided with a diffusion groove, the nozzle extends into the diffusion groove, the gun body is provided with a second air passage, the second air passage is communicated with the diffusion groove and is arranged in a spaced manner with the first air passage, the second air tube passes through the threading hole and is connected to the second air passage, the second air tube is used for providing air for the second air passage to disperse the paint passing through the diffusion groove.

10. A robot, characterized in that The electrostatic spray gun comprises a rack and the electrostatic spray gun as claimed in any one of claims 1-9, the mounting rack is connected to the rack.

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