CN118558507A - A kind of automobile wheel hub surface spraying device - Google Patents

Abstract

The invention relates to the technical field of surface spraying devices, and discloses an automobile hub surface spraying device, which comprises a working platform, wherein a clamping part and a spraying part are arranged on the working platform, the clamping part is used for clamping a hub, the clamping part is rotatably arranged on the working platform, and the spraying part comprises: the adjustable spraying part is internally provided with a plurality of spraying grooves, one-way valves are arranged between adjacent spraying grooves, a discharging channel and a feeding nozzle are arranged in each spraying groove, and the end part of the discharging channel is communicated with the nozzle; the end part of the rotating rod is provided with a connecting piece, the other end of the connecting piece is slidably connected to the outer side of the adjustable spraying piece, a coating pipe is arranged in the rotating rod, and the end part of the coating pipe is provided with a connecting nozzle in sliding connection and is used for being detachably arranged on a corresponding feeding nozzle; and the supporting frame is used for supporting and driving the rotating rod to rotate. The space occupied by the rotation of the adjustable spraying part is controlled while the effective spraying length of the adjustable spraying part is controlled.

Description

A kind of automobile wheel hub surface spraying device

Technical Field

The invention relates to the technical field of surface spraying devices, in particular to a surface spraying device for an automobile wheel hub.

Background Art

The automobile wheel hub surface spraying device is a mechanical device specially used for spraying on the surface of automobile wheel hubs. This device realizes uniform and efficient spraying on the wheel hub surface through a series of complex processes and components to improve the aesthetics, corrosion resistance and durability of the wheel hub.

The patent with patent publication number CN112387470A discloses a vehicle wheel hub surface spraying device, including a box body, a support column is provided in the middle of the lower end of the box body, an electric push rod I is fixedly connected between the lower end of the support column and the inner wall of the lower end of the box body, a support plate is rotatably connected in the middle of the box body, a rotating shaft is fixedly connected to the right side of the support plate, a stepper motor is fixedly connected to the outer wall of the right end of the box body, the rotating shaft and the power output end of the stepper motor are fixedly connected, a paint storage box is fixedly connected to the upper end of the right side of the box body, a paint pump is fixedly connected to the upper end of the box body located on the left side of the paint storage box, a connecting pipe is provided between the side end of the paint storage box and the inside of the box body, the paint pump passes through the middle of the connecting pipe, a paint spraying pipe is provided at the upper end of the inner side of the box body, and a nozzle is arrayed at the lower end of the paint spraying pipe.

In combination with the above patents, we found that there are some defects in the prior art: 1. During spraying, only the outer side can be sprayed, and the inner side needs to be manually turned over for spraying; 2. When using a long strip nozzle for circular spraying around the center of the hub, the length of the long strip nozzle cannot be adjusted according to the different specifications of the hub, resulting in the long strip nozzle being unable to extend into the inner side of the hub of different sizes; 3. When using a long strip nozzle for circular spraying around the center of the hub, the length of the long strip nozzle cannot be adjusted according to the different specifications of the hub to reduce the waste of excess parts; 4. When using a long strip nozzle for circular spraying around the center of the hub, the linear velocity of the nozzle close to the center position is greater than the linear velocity of the outer nozzle, resulting in a thicker coating on the inner hub.

Summary of the invention

1. Technical issues to be resolved

In view of the deficiencies in the prior art, the present invention provides a vehicle wheel hub surface spraying device, which solves the problems mentioned in the above background technology.

(II) Technical solution

To achieve the above object, the present invention provides the following technical solutions:

A surface spraying device for an automobile wheel hub comprises a working platform, on which a clamping part and a spraying part are mounted, wherein the clamping part is used to clamp the wheel hub, and the clamping part is rotatably arranged on the working platform, and the spraying part comprises:

The adjustable spraying part is divided into multiple linearly arranged spray slots. A one-way valve with the same direction is arranged between every two adjacent spray slots. Each spray slot is connected to a separate discharge channel and feed nozzle, and the end of the discharge channel is connected to the nozzle;

A rotating rod, with a connecting piece at the end, the other end of which is slidably connected to the outside of the adjustable spraying part, a paint tube is arranged inside the rotating rod, and a sliding connection nozzle is arranged at the end of the paint tube for detachable installation on the corresponding feed nozzle;

A supporting frame, used for supporting and driving the rotating rod to rotate;

By adjusting the connecting nozzle to connect to different feed nozzles, after adding paint into a spray slot, due to the one-way valve, the paint will fill the spray slot on one side in one direction, while the spray slot on the other side will be idle, and the rotation center of the adjustable spray part is changed during the sliding of the connecting part, so that the space occupied by the adjustable spray part can be controlled while controlling the effective spraying length of the adjustable spray part, so that the inner and outer sides of the wheel hubs of different sizes can be sprayed.

Preferably, an adjusting rod is provided in any discharge channel, one end of the adjusting rod is provided with a thread and is sleeved with a nut sleeve, and the other end passes through the discharge channel, and the adjusting rod is used to adjust the flow rate of the coating material passing through the discharge channel, and two adjacent nut sleeves are connected by a transition gear transmission, and an external gear is fixed to the transition gear;

The connecting piece is provided with a tooth bar at a position where the adjustable spraying piece is fitted, and the tooth bar is meshed with each external gear. The connecting piece slides up and down to drive the external gear, transition gear and nut sleeve to rotate, thereby controlling all adjustment rods to slide synchronously and controlling the flow rate of the paint in each discharge channel.

Preferably, the adjusting rod comprises a threaded section and an adjusting section which are rotatably connected together, the threaded section is provided with a thread which is engaged with the nut sleeve, and a through hole is provided on the portion of the adjusting section located in the discharge channel;

In each adjusting rod, the through hole area in the discharge channel on the outermost adjusting section along the opening direction of the one-way valve is the largest, and gradually decreases along the closing direction of the one-way valve.

Preferably, the connecting member includes a rotating rod connecting plate and a spraying member connecting plate, the rotating rod connecting plate is detachably mounted on the end of the rotating rod, the spraying member connecting plate is slidably connected to the outside of the adjustable spraying member, and the bar teeth are mounted on the inner side of the spraying member connecting plate at a position corresponding to the external gear.

Preferably, a driving motor and a pump body are installed on the supporting frame, and the driving motor is rotatably connected to the rotating rod through a gear, thereby driving the rotating rod to rotate, and the paint tube passes through the rotating rod and is connected to the pump body.

Preferably, a support rod is also installed on the support frame, one end of the support rod is rotatably connected to the outside of the rotating rod, and the other end is fixed to the support frame.

Preferably, a pull rod is fixedly connected to the outer side of the connecting nozzle, and a sliding groove is provided on the rotating rod at a position corresponding to the sliding position of the pull rod.

Preferably, the clamping portion comprises:

The upper and lower arc-shaped clamps are used to clamp the upper and lower sides of the wheel hub, the lower arc-shaped clamp is fixed on the rotating seat, and the top of the upper arc-shaped clamp is connected to the bottom of the lifting plate;

A lifting plate, wherein the lifting plate is slidably connected to the guide rail;

The lifting rod is used to drive the lifting plate to move up and down.

Preferably, a lifting device is provided on the arc-shaped clamp fixed on the rotating seat in the clamping part to align the center of the hub with the rotating axis of the rotating rod.

(III) Beneficial effects

Compared with the prior art, the present invention provides a vehicle wheel hub surface spraying device, which has the following beneficial effects:

1. The automobile wheel hub surface spraying device sets a plurality of spraying slots in an adjustable spraying part and connects them through a one-way valve, controls the connecting nozzle to be connected to different feed nozzles, and after adding paint into a spraying slot, the paint will fill the spraying slot on one side in one direction due to the one-way valve, while the spraying slot on the other side will be idle, and the rotation center of the adjustable spraying part is changed during the sliding of the connecting part, so that the space occupied by the adjustable spraying part can be controlled while controlling the effective spraying length of the adjustable spraying part, and the inner and outer sides of the wheel hubs of different sizes can be sprayed.

2. The automobile wheel hub surface spraying device is provided with an adjusting rod in each discharge channel, a thread is provided at one end of the adjusting rod and is sleeved on the corresponding nut sleeve, adjacent nut sleeves are connected through a transition gear transmission, the outer side of the transition gear is fixedly connected to the outer gear, and a bar tooth is provided on the connecting piece. During the up and down sliding process of the connecting piece, the bar tooth drives the outer gear to rotate, so that each nut sleeve rotates synchronously, thereby sliding the adjusting rod, so that the channel opened by the farthest adjusting rod is the largest, so that the flow rate of the farthest nozzle is the fastest, which makes up for the problem of thin coating caused by the small linear velocity of the outer nozzle, and makes the spraying more uniform.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic structural diagram of the present invention.

FIG. 2 is a schematic structural diagram of the clamping portion of the present invention.

FIG. 3 is a schematic structural diagram of the spraying part of the present invention.

FIG. 4 is a schematic structural diagram of the rotating rod and the supporting frame of the present invention.

FIG. 5 is a schematic structural diagram of a connecting piece according to the present invention.

FIG6 is a schematic diagram of the structure of the feed nozzle and the connecting nozzle of the present invention when they are not connected.

FIG. 7 is a schematic diagram of the structure of the feed nozzle and the connecting nozzle when they are connected.

FIG. 8 is a schematic diagram of the structure of the adjustable spraying member of the present invention.

FIG. 9 is a schematic diagram of the structure of the adjustable spraying member of the present invention after a portion of the shell is removed.

FIG. 10 is a schematic diagram of the structure of the adjustable spraying part of the present invention after all shells are removed.

FIG. 11 is a schematic structural diagram of the adjusting rod of the present invention.

In the figure: 1. clamping part; 11. arc clamp; 12. lifting plate; 13. guide rail; 14. lifting rod; 15. rotating seat; 2. spraying part; 21. adjustable spraying part; 22. rotating rod; 23. supporting frame; 24. driving motor; 25. pump body; 26. paint tube; 27. supporting rod; 28. connecting part; 281. rotating rod connecting plate; 282. spraying part connecting plate; 283. tooth bar; 261. connecting nozzle; 262. pull rod; 211. spray trough; 212. one-way valve; 213. discharge channel; 214. nozzle; 215. feed nozzle; 216. adjusting rod; 2161. threaded section; 2162. adjusting section; 217. nut sleeve; 218. transition gear; 219. external gear; 8. wheel hub; 9. working platform.

DETAILED DESCRIPTION

The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

Embodiment 1:

This embodiment provides a vehicle wheel hub surface spraying device having the following technical features.

Please refer to Figures 1-11, a vehicle wheel hub surface spraying device includes a working platform 9, on which a clamping part 1 and a spraying part 2 are installed, the clamping part 1 is used to clamp the wheel hub 8, the clamping part 1 is rotatably arranged on the working platform 9, and the spraying part 2 includes:

The adjustable spraying member 21 is internally divided into a plurality of spraying slots 211 evenly arranged in a straight line, a one-way valve 212 with the same direction is arranged between every two adjacent spraying slots 211, each spraying slot 211 is connected to a separate discharge channel 213 and a feed nozzle 215, and the end of the discharge channel 213 is connected to the nozzle 214;

The rotating rod 22 has a connecting piece 28 at its end, and the other end of the connecting piece 28 is slidably connected to the outside of the adjustable spraying member 21. A paint tube 26 is provided inside the rotating rod 22, and a slidably connected connecting nozzle 261 is provided at the end of the paint tube 26 for detachably mounting on the corresponding feed nozzle 215.

A support frame 23, used for supporting and driving the rotating rod 22 to rotate;

By adjusting the connecting nozzle 261 to connect to different feed nozzles 215, after adding paint into a spray slot 211, due to the one-way valve 212, the paint will fill the spray slot 211 on one side in one direction, while the spray slot 211 on the other side will be idle, and the rotation center of the adjustable spray part 21 is changed during the sliding of the connecting part 28, so that the space occupied by the adjustable spray part 21 during rotation is controlled while controlling the effective spray length of the adjustable spray part 21, so that the inner and outer sides of the wheel hub 8 of different sizes can be sprayed.

In an optional embodiment, in order to solve the problem of thin coating thickness caused by the low linear velocity of the outer nozzle 214, an adjusting rod 216 is provided in any discharge channel 213, one end of the adjusting rod 216 is provided with a thread and is sleeved with a nut sleeve 217, and the other end passes through the discharge channel 213, the adjusting rod 216 is used to adjust the flow rate of the paint passing through the discharge channel 213, and the two adjacent nut sleeves 217 are connected by a transition gear 218, and an external gear 219 is fixed to the transition gear 218; and the connecting member 28 is provided with a tooth 283 at a position that fits the adjustable spraying member 21, the tooth 283 is meshed with each external gear 219, and the external gear 219, the transition gear 218, and the nut sleeve 217 are driven to rotate by the up and down sliding of the connecting member 28, thereby controlling all the adjusting rods 216 to slide synchronously and controlling the flow rate of the paint in each discharge channel 213.

It should be noted that the length of the tooth 283 needs to be such that when one end just meshes with the next external gear 219 , the other end cannot be separated from the previous external gear 219 .

It should be noted that two side boxes are set on both sides of the adjustable spray part 21, one side box is installed with a nut sleeve 217, a transition gear 218, an external gear 219 and one end of the adjusting rod 216, and the other side box is used to accommodate the other end of the adjusting rod 216.

In an optional embodiment, in order to allow the adjusting rod 216 to slide left and right to control the flow rate in the discharge channel 213, the adjusting rod 216 includes a threaded section 2161 and an adjusting section 2162 that are rotatably connected together, the threaded section 2161 is provided with a thread that engages with the nut sleeve 217, and a through hole is provided on the portion of the adjusting section 2162 located in the discharge channel 213; and, in each adjusting rod 216, the through hole area located in the discharge channel 213 on the outermost adjusting section 2162 along the opening direction of the one-way valve 212 is the largest, and gradually decreases along the closing direction of the one-way valve 212.

It should be noted that, in addition to the solution of setting a through hole on the adjusting section 2162 , the end of the adjusting section 2162 can also be directly used to control the flow rate in the discharge channel 213 so that the end of the adjusting section 2162 slides in the discharge channel 213 .

In an optional embodiment, the connecting member 28 includes a rotating rod connecting plate 281 and a spray part connecting plate 282, wherein the rotating rod connecting plate 281 is detachably mounted on the end of the rotating rod 22, the spray part connecting plate 282 is slidably connected to the outside of the adjustable spray part 21, and the tooth bar 283 is mounted on the inner side of the spray part connecting plate 282 at a position corresponding to the external gear 219.

In an optional embodiment, a drive motor 24 and a pump body 25 are installed on the support frame 23. The drive motor 24 is rotatably connected to the rotating rod 22 through gears, thereby driving the rotating rod 22 to rotate. The paint tube 26 passes through the rotating rod 22 and is connected to the pump body 25.

In an optional embodiment, a support rod 27 is further installed on the support frame 23 , one end of the support rod 27 is rotatably connected to the outside of the rotating rod 22 , and the other end is fixed to the support frame 23 .

In an optional embodiment, a pull rod 262 is fixedly connected to the outer side of the connecting nozzle 261 , and a sliding groove is provided on the rotating rod 22 at a position corresponding to the sliding of the pull rod 262 .

In an optional embodiment, the clamping portion 1 includes:

The upper and lower arc-shaped clamps 11 are used to clamp the upper and lower sides of the wheel hub 8, the lower arc-shaped clamp 11 is fixed on the rotating seat 15, and the top of the upper arc-shaped clamp 11 is connected to the bottom of the lifting plate 12;

A lifting plate 12, wherein the lifting plate 12 is slidably connected to the guide rail 13;

The lifting rod 14 is used to drive the lifting plate 12 to move up and down.

In an optional embodiment, a lifting device is provided on the arc-shaped clamp 11 fixed on the rotating seat 15 in the clamping portion 1 to align the center of the hub 8 with the rotating axis of the rotating rod 22 .

It should be noted that the lifting rod 14 can be a screw rod or a hydraulic rod.

Working principle: the control connecting nozzle 261 is connected to different feed nozzles 215. After the paint is added into a spray slot 211, due to the one-way valve 212, the paint will fill the spray slot 211 on one side in one direction, while the spray slot 211 on the other side will be idle, and the rotation center of the adjustable spray part 21 is changed during the sliding of the connecting part 28, so as to control the space occupied by the adjustable spray part 21 while controlling the effective spraying length of the adjustable spray part 21; during the up and down sliding of the connecting part 28, the bar teeth 283 drive the outer gear 219 to rotate, so that the nut sleeves 217 rotate synchronously, so that the adjusting rod 216 slides, so that the channel opened by the farthest adjusting rod 216 is the largest, so that the flow rate of the farthest nozzle 214 is the fastest.

In summary, the automobile wheel hub surface spraying device, by setting a plurality of spray slots 211 in the adjustable spray part 21, and connecting them through a one-way valve 212, controls the connecting nozzle 261 to be connected to different feed nozzles 215. After adding paint into a spray slot 211, due to the setting of the one-way valve 212, the paint will fill the spray slot 211 on one side in one direction, while the spray slot 211 on the other side will be idle, and the rotation center of the adjustable spray part 21 is changed during the sliding of the connecting part 28, so that the space occupied by the adjustable spray part 21 during rotation is controlled while the effective spraying length of the adjustable spray part 21 is controlled, and the inner and outer sides of the wheel hub 8 of different sizes can be sprayed.

The automobile wheel hub surface spraying device is provided with an adjusting rod 216 in each discharge channel 213, a thread is provided at one end of the adjusting rod 216 and sleeved on a corresponding nut sleeve 217, adjacent nut sleeves 217 are connected through a transition gear 218, an outer side of the transition gear 218 is fixedly connected to an outer gear 219, and a bar tooth 283 is provided on a connecting member 28. When the connecting member 28 slides up and down, the bar tooth 283 drives the outer gear 219 to rotate, so that each nut sleeve 217 rotates synchronously, so that the adjusting rod 216 slides, so that the channel opened by the farthest adjusting rod 216 is the largest, so that the flow rate of the farthest nozzle 214 is the fastest, so as to make up for the problem that the outer nozzle 214 has a small linear velocity and causes a thin coating, and make the spraying more uniform.

It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "including one..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims (9)

1. A vehicle wheel hub surface spraying device, comprising a working platform (9), wherein a clamping portion (1) and a spraying portion (2) are mounted on the working platform (9), wherein the clamping portion (1) is used to clamp the wheel hub (8), and wherein the clamping portion (1) is rotatably disposed on the working platform (9), and the spraying portion (2) comprises: The adjustable spraying member (21) is internally divided into a plurality of linearly arranged spraying slots (211), a one-way valve (212) with the same direction is provided between every two adjacent spraying slots (211), each spraying slot (211) is connected to a separate discharge channel (213) and a feed nozzle (215), and the end of the discharge channel (213) is connected to the nozzle (214); A rotating rod (22) is provided with a connecting piece (28) at one end thereof, the other end of the connecting piece (28) being slidably connected to the outside of the adjustable spraying piece (21), a coating material tube (26) being provided inside the rotating rod (22), and a slidably connected connecting nozzle (261) being provided at the end thereof for being detachably mounted on a corresponding feed nozzle (215); The supporting frame (23) is used to support and drive the rotating rod (22) to rotate. 2. A vehicle wheel hub surface spraying device according to claim 1, characterized in that an adjusting rod (216) is provided in any discharge channel (213), one end of the adjusting rod (216) is provided with a thread and is sleeved with a nut sleeve (217), and the other end passes through the discharge channel (213), the adjusting rod (216) is used to adjust the flow rate of the coating material passing through the discharge channel (213), two adjacent nut sleeves (217) are connected by a transition gear (218), and an external gear (219) is fixed to the transition gear (218); The connecting member (28) is provided with a tooth bar (283) at a position abutting against the adjustable spraying member (21), and the tooth bar (283) is meshed with each external gear (219). 3. The automobile wheel hub surface spraying device according to claim 2, characterized in that the adjusting rod (216) comprises a threaded section (2161) and an adjusting section (2162) which are rotatably connected together, the threaded section (2161) is provided with a thread engaged with the nut sleeve (217), and the portion of the adjusting section (2162) located in the discharge channel (213) is provided with a through hole; In each adjusting rod (216), the through hole area located in the discharge channel (213) on the outermost adjusting section (2162) along the opening direction of the one-way valve (212) is the largest, and gradually decreases along the closing direction of the one-way valve (212). 4. A vehicle wheel hub surface spraying device according to claim 3, characterized in that the connecting member (28) comprises a rotating rod connecting plate (281) and a spraying member connecting plate (282), the rotating rod connecting plate (281) is detachably mounted on the end of the rotating rod (22), the spraying member connecting plate (282) is slidably connected to the outside of the adjustable spraying member (21), and the tooth bar (283) is mounted on the inside of the spraying member connecting plate (282) at a position corresponding to the external gear (219). 5. The automobile wheel hub surface spraying device according to claim 3 is characterized in that a driving motor (24) and a pump body (25) are installed on the supporting frame (23), the driving motor (24) is rotatably connected to the rotating rod (22) through a gear, thereby driving the rotating rod (22) to rotate, and the paint tube (26) passes through the rotating rod (22) and is connected to the pump body (25). 6. The automobile wheel hub surface spraying device according to claim 3, characterized in that a support rod (27) is also installed on the support frame (23), one end of the support rod (27) is rotatably connected to the outside of the rotating rod (22), and the other end is fixed to the support frame (23). 7. The automobile wheel hub surface spraying device according to claim 3, characterized in that a pull rod (262) is fixedly connected to the outer side of the connecting nozzle (261), and a sliding groove is provided on the rotating rod (22) at a position corresponding to the sliding of the pull rod (262). 8. The automobile wheel hub surface spraying device according to claim 3, characterized in that the clamping portion (1) comprises: Upper and lower arc-shaped clamps (11) are used to clamp the upper and lower sides of the wheel hub (8), the lower arc-shaped clamp (11) is fixed on the rotating seat (15), and the top of the upper arc-shaped clamp (11) is connected to the bottom of the lifting plate (12); A lifting plate (12), wherein the lifting plate (12) is slidably connected to the guide rail (13); The lifting rod (14) is used to drive the lifting plate (12) to move up and down. 9. A vehicle wheel hub surface spraying device according to claim 8, characterized in that a lifting device is provided on the arc-shaped clamp (11) fixed on the rotating seat (15) in the clamping part (1) to align the center of the wheel hub (8) with the rotating axis of the rotating rod (22).