Electrostatic spray device for bicycle parts

Abstract

The application relates to a kind of static spraying devices of bicycle parts, comprising: base frame, which is cylindrical hollow structure, the middle part of the outside of base frame is provided with feeding port;Feeding platform is installed in the lower end of feeding port, and feeding platform is used for feeding and discharging parts;Top plate frame is installed in the upper end of base frame, and arc cavity is formed between top plate frame and base frame;Partition module is symmetrically installed in arc cavity, two partition modules are symmetric about the center of arc cavity, and arc cavity is divided into spraying cavity and heating cavity by partition module, and spraying cavity and heating cavity are arc structure;Rotary module is installed in the middle part of base frame, and rotary module is used to drive parts to rotate and overturn inside arc cavity;Spraying module, the number is two, spraying module is arranged in spraying cavity, spraying module is installed on top plate frame, and spraying module is used for electrostatic spraying on the upper and lower two sides of parts.

Description

Technical Field

[0001] This application relates to the field of bicycle spraying technology, and in particular to an electrostatic spraying device for bicycle parts. Background Technology

[0002] Bicycle parts are a collective term for all accessories and attachments of a bicycle. According to the structural frame of the bicycle, they can be divided into several categories: frame, tires, pedals, fork assembly, chain, freewheel, etc. Bicycle brake discs need to be painted during production to prevent rusting of bicycle parts during long-term use, thereby extending the service life of the bicycle. However, painting brake discs requires turning them over to complete the painting work, which is time-consuming and has low painting efficiency.

[0003] Among existing bicycle parts painting equipment, such as Chinese Patent No. CN213967354U, a bicycle parts painting device is disclosed. Specifically, it includes a frame, with a painting machine body fixedly connected to the top of the frame. A spray nozzle is fixedly connected to the top of the inside of the frame and is connected to the painting machine body. A base is fixedly connected to each of the four corners of the bottom surface of the frame. The frame is equipped with a rotating mechanism and a moving mechanism. By rotating the third handle, the extrusion plate is moved horizontally to extrude and fix the bicycle parts. The painting machine body sprays paint onto the bicycle parts through the spray nozzle. Rotating the first handle causes the bicycle parts to rotate.

[0004] While the aforementioned existing technologies can achieve the function of spraying paint on brake discs, firstly, in the process of spraying paint on brake discs, the technology can only rotate the brake disc, not flip it, which may lead to uneven paint application. This requires manual flipping and repainting, increasing the labor intensity of workers and reducing the efficiency of paint application. Secondly, in the process of loading brake discs, the technology requires manual clamping and fixing of the parts, which is cumbersome and cannot be automatically controlled, thus reducing the loading rate of brake discs. Therefore, there is still room for improvement in the existing bicycle parts spraying equipment technology. Summary of the Invention

[0005] In order to enable electrostatic spraying of bicycle brake discs and automatic rotation of the brake discs, this application provides an electrostatic spraying device for bicycle parts.

[0006] The electrostatic spraying device for bicycle parts provided in this application adopts the following technical solution: An electrostatic spraying device for bicycle parts includes: a base frame, which has a cylindrical hollow structure, and a feeding port is provided in the middle of the outer side of the base frame; a feeding platform, which is installed at the lower end of the feeding port, and the feeding platform is used for feeding and unloading parts; a top plate frame, which is installed at the upper end of the base frame, and an arc-shaped cavity is formed between the top plate frame and the base frame; and partition modules, which are symmetrically installed in the arc-shaped cavity, with two partition modules being symmetrical about the center of the arc-shaped cavity, and the partition modules dividing the arc-shaped cavity into a spraying cavity and a heating cavity, the spraying cavity and the heating cavity having an arc-shaped structure; The rotating module, installed in the middle of the base frame, is used to drive the parts to rotate and flip inside the arc-shaped cavity; there are two spraying modules, which are set inside the spraying cavity and installed on the top plate frame, and are used to electrostatically spray the upper and lower sides of the parts; the heating racks are symmetrically arranged in the heating cavity, with two heating racks installed vertically on the base frame and the top plate frame, and heating holes are evenly arranged on the heating racks, which are used to heat and dry the parts after electrostatic spraying.

[0007] Preferably, the partition module includes a fan-shaped plate, a slide rail frame, and a lifting plate. The fan-shaped plates are symmetrically installed inside the arc-shaped cavity, and the two fan-shaped plates are symmetrical about the arc-shaped cavity. A fan-shaped groove is provided on the inner side of the fan-shaped plate, and a slide rail frame is symmetrically installed inside the fan-shaped groove. The slide rail frame is symmetrical about the center of the fan-shaped groove, and a lifting plate is slidably arranged in the middle of the slide rail frame.

[0008] Preferably, the rotating module includes a column, a fixed frame, a rotating frame, an ejector unit, a rotating sleeve, a flipping unit, a cylindrical frame, and a clamping unit. The column is installed in the middle of the base frame, and the fixed frames are installed at the upper and lower ends of the column. The rotating frame is rotatably mounted in the middle of the column. The rotating frame is a U-shaped annular structure. The ejector unit is provided inside the rotating frame and is connected to the column in the middle. Through grooves are evenly provided in the middle of the rotating frame. The rotating sleeve is installed in the through grooves through bearings. The flipping unit is provided on the rotating sleeve. The cylindrical frame is slidably mounted inside the rotating sleeve. The inner side of the cylindrical frame is connected to the ejector unit. The clamping unit is installed on the outer side of the cylindrical frame.

[0009] Preferably, the ejection unit includes an ejection frame, a retaining ring, an ejector rod, a limiting ring, and a return spring. The ejection frame is installed in the middle of the column, and an ejection groove is provided in the middle of the ejection frame. Retaining rings are symmetrically installed on the outer side of the ejection groove. The retaining rings are symmetrical about the ejection groove. An ejector rod is slidably arranged in the middle of the ejection groove. The outer end of the ejector rod is connected to the cylindrical frame. A limiting ring is installed on the inner end of the ejector rod. A return spring is installed in the middle of the ejector rod.

[0010] Preferably, the flipping unit includes a gear and a rack plate. The gear is installed on the rotating sleeve, and an annular groove is provided on the inner side of the fixing frame. A rack plate is evenly installed in the annular groove located at the lower end of the column, and the rack plate cooperates with the gear.

[0011] Preferably, the clamping unit includes a support plate, a tension spring, a slide rod, a slide groove, and a clamping assembly. A rectangular groove is symmetrically arranged on the outer end of the cylindrical frame. The rectangular groove is symmetrical about the center of the cylindrical frame. A support plate is slidably arranged in the rectangular groove. A tension spring is installed between the support plate and the rectangular groove. A slide rod is installed on the inner end of the support plate. A slide groove is provided on the fixed frame located at the upper end of the column. The end of the slide rod is located in the slide groove. A clamping assembly is installed on the outer end of the support plate.

[0012] Preferably, the chute includes a shrinkage chute a, a discharge chute b, and a tilting chute c, which are smoothly connected.

[0013] Preferably, the clamping assembly includes an electric turntable, a plug-in frame, a clamping column, a piston rod, a compression spring, an extrusion frame, and a clamping block. The outer end of the support plate is provided with a mounting groove, in which the electric turntable is installed. A plug-in frame is installed inside the electric turntable. A plug-in groove is provided in the middle of the inner side of the plug-in frame. Ventilation holes are evenly distributed on the outer side of the plug-in frame. A clamping column is inserted into the plug-in groove at the lower end of the cylindrical frame. A vent groove is provided in the middle of the lower end of the clamping column. A groove is provided in the middle of the clamping column. A piston rod is slidably disposed in the middle of the groove. A compression spring is installed between the piston rod and the groove. An extrusion frame is installed in the middle of the piston rod. The outer side of the extrusion frame is an inclined surface. A clamping block is evenly slidably disposed on the inclined surface of the extrusion frame, and the clamping block is slidably disposed within the groove.

[0014] Preferably, the spraying module includes an arc-shaped plate, an electric slider, a U-shaped frame, a transverse frame, a limiting rod, and a spray gun. An arc-shaped plate is installed at the upper end of the spraying cavity, an electric slider is installed on the inner side of the arc-shaped plate, a U-shaped frame is installed on the electric slider, a transverse frame is slidably arranged in the middle of the U-shaped frame, a limiting rod is installed at the upper end of the transverse frame, an arc-shaped groove is provided on the arc-shaped plate, the limiting rod is located in the arc-shaped groove, and a spray gun is installed at the lower end of the transverse frame.

[0015] In summary, this application includes at least one of the following beneficial technical effects: 1. In this invention, an ejection unit is provided. When the rotating frame drives the cylindrical frame to rotate to the loading port, the ejector rod, under the action of the ejection groove, drives the cylindrical frame to be ejected outward, so that the clamping unit extends onto the loading platform. At this time, the return spring is gradually compressed, and the brake disc is manually unloaded and loaded. Afterward, the rotating frame drives the cylindrical frame to continue rotating, and the return spring drives the ejector rod to move into the ejection groove through the limit ring. The cylindrical frame moves synchronously with the ejector rod and drives the clamping unit to reset, so that the brake disc enters the spraying cavity, which is convenient for subsequent spraying. This realizes the function of automatically controlling the extension or retraction of the brake disc, which is convenient for loading and unloading the brake disc and improves production efficiency. 2. A flipping unit is provided in this invention. When the brake disc needs to be flipped, the rotating sleeve rotates to the position where it engages with the rack plate. At this time, the gear meshes with the rack plate, causing the rotating sleeve to rotate 180°. The rotating sleeve drives the brake disc to flip 180° through the cylindrical frame and the clamping unit. Then, the other side of the brake disc is sprayed, realizing the function of automatically flipping the brake disc, which facilitates spraying both sides of the brake disc and improves the spraying efficiency of the brake disc. 3. In this invention, a clamping unit is provided. When the brake disc needs to be flipped, the support plate at the upper end of the cylindrical frame extends outward into the rectangular groove under the action of the tension spring, aligning the two support plates. Then, the flipping unit drives the cylindrical frame to rotate 180°, causing the clamping column to drive the brake disc to rotate 180° and fall onto the support plate at the lower end of the cylindrical frame under the action of gravity, thus realizing the function of flipping the brake disc. Afterward, the rotating frame drives the cylindrical frame to continue rotating, and the slide rod at the upper end of the cylindrical frame drives the support plate to move into the rectangular groove under the action of the slide groove. The tension spring at the upper end of the cylindrical frame is gradually compressed. At this time, the upper end of the brake disc is unobstructed, which facilitates the spraying of the upper surface of the brake disc. This ensures that the upper surface of the brake disc is never obstructed during the spraying of the brake disc, guaranteeing the quality of the brake disc spraying. Attached Figure Description

[0016] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0017] Figure 1 This is a three-dimensional structural diagram of the rotating module, base frame, loading platform and top plate frame of this application.

[0018] Figure 2 This is a three-dimensional structural diagram of the base frame, feeding platform, partition module, rotating module, spraying module and heating frame of this application.

[0019] Figure 3 This is a cross-sectional structural diagram of the base frame, top plate frame, rotating module, spraying module and heating frame of this application.

[0020] Figure 4 This is a cross-sectional structural diagram of the base frame, feeding platform, partition module, rotating module and heating frame of this application.

[0021] Figure 5 This is a cross-sectional structural diagram of the rotating module of this application.

[0022] Figure 6 This is a cross-sectional structural diagram of the column, rotating frame, ejection unit, rotating sleeve, flipping unit, cylindrical frame and clamping unit of this application.

[0023] Figure 7 This is a cross-sectional structural diagram of the fixing frame and the slide groove in this application.

[0024] Figure 8 This is a cross-sectional structural diagram of the support plate and clamping assembly of this application.

[0025] Figure 9 This is a cross-sectional structural diagram of the spraying module of this application.

[0026] Figure 10 This is a three-dimensional structural diagram of the rotating frame and the through groove of the present invention.

[0027] Figure 11 This is a three-dimensional structural diagram of the ejector frame and ejector slot of the present invention.

[0028] Figure 12 This is a cross-sectional structural diagram of the partition module of the present invention.

[0029] Explanation of reference numerals in the attached drawings: 1. Base frame; 2. Feeding platform; 3. Top plate frame; 4. Partition module; 41. Sector plate; 42. Slide rail frame; 43. Lifting plate; 5. Rotating module; 51. Column; 52. Fixed frame; 53. Rotating frame; 54. Ejection unit; 541. Ejection frame; 542. Retaining ring; 543. Ejector rod; 544. Limiting ring; 545. Return spring; 546. Ejection groove; 55. Rotating sleeve; 56. Tilting unit; 561. Gear; 562. Rack plate; 57. Cylindrical frame; 58. Clamping unit; 581. Support plate; 582. Tension spring; 583. Slide rod; 584. Slide groove; 585. Clamping assembly; 5851. Electric turntable; 5852. Plug-in bracket; 5853. Clamping column; 5854. Piston rod; 5855. Compression spring; 5856. Extrusion frame; 5857. Clamping block; 59. Through groove; 6. Spraying module; 61. Arc plate; 62. Electric slider; 63. U-shaped frame; 64. Transverse frame; 65. Limiting rod; 66. Spray gun; 7. Heating frame. Detailed Implementation

[0030] The following is in conjunction with the appendix Figure 1-12 This application will be described in further detail.

[0031] This application discloses an electrostatic spraying device for bicycle parts, which can perform electrostatic spraying on bicycle brake discs and enable the brake discs to automatically rotate.

[0032] Reference Figure 1 and Figure 2As shown in this embodiment, an electrostatic spraying device for bicycle parts includes: a base frame 1, which has a cylindrical hollow structure, and a feeding port is provided in the middle of the outer side of the base frame 1; a feeding platform 2, which is installed at the lower end of the feeding port, and the feeding platform 2 is used for feeding and unloading parts; a top plate frame 3, which is installed at the upper end of the base frame 1, and an arc-shaped cavity is formed between the top plate frame 3 and the base frame 1; and partition modules 4, which are symmetrically installed in the arc-shaped cavity. The two partition modules 4 are symmetrical about the center of the arc-shaped cavity, and the partition modules 4 divide the arc-shaped cavity into a spraying cavity and a heating cavity, which are arc-shaped. Structure: Rotating module 5, installed in the middle of the base frame 1, is used to drive the parts to rotate and flip inside the arc-shaped cavity; Spraying module 6, two in number, is set in the spraying cavity and installed on the top plate frame 3, and is used to perform electrostatic spraying on the upper and lower sides of the parts; Heating rack 7, symmetrically arranged in the heating cavity, the two heating racks 7 are symmetrically arranged, installed on the base frame 1 and the top plate frame 3, and heating holes are evenly arranged on the heating rack 7, which is used to heat and dry the parts after electrostatic spraying.

[0033] In actual use, the brake disc is manually placed on the rotating module 5 via the loading platform 2. The rotating module 5 clamps and fixes the brake disc. Then, the rotating module 5 drives the brake disc to rotate into the spraying chamber. The spraying module 6 sprays one side of the brake disc. After the rotating module 5 drives the brake disc to flip, the spraying module 6 sprays the other side of the brake disc, thus achieving double-sided spraying of the brake disc. The rotating module 5 drives the brake disc through the partition module 4 into the heating chamber. The heating rack 7 heats and dries the brake disc. At the same time, the rotating module 5 drives the brake disc to flip, so that the brake disc is heated evenly. After drying, the rotating module 5 drives the brake disc to pass through the partition module 4 again to the loading platform 2, where the brake disc is manually unloaded.

[0034] It should be noted that negative pressure holes are evenly arranged on the left end of the loading platform 2, which are used to perform negative pressure adsorption on the rotating module 5, so as to facilitate the loading and unloading of the brake disc. Afterwards, the rotating module 5 returns to its original position to clamp and fix the brake disc.

[0035] Reference Figure 4 As shown, the partition module 4 includes a fan-shaped plate 41, a slide rail frame 42, and a lifting plate 43. The fan-shaped plates 41 are symmetrically installed inside the arc-shaped cavity. The two fan-shaped plates 41 are symmetrical about the arc-shaped cavity. A fan-shaped groove is provided on the inner side of the fan-shaped plate 41. The slide rail frame 42 is symmetrically installed inside the fan-shaped groove. The slide rail frame 42 is symmetrical about the center of the fan-shaped groove. The lifting plate 43 is slidably arranged in the middle of the slide rail frame 42.

[0036] In actual use, the lifting plate 43 is connected to the sensor. When the rotating module 5 drives the brake disc to rotate towards or out of the heating chamber, the rotating module 5 drives the brake disc to move closer to the lifting plate 43. Under the control of the sensor, the lifting plate 43 automatically moves within the slide rail frame 42, causing the lifting plate 43 on the right side of the fan-shaped plate 41 to open. The rotating module 5 drives the brake disc to rotate between the fan-shaped plates 41. After that, the lifting plate 43 on the right side of the fan-shaped plate 41 closes, and the lifting plate 43 on the left side of the fan-shaped plate 41 opens. The rotating module 5 drives the brake disc to continue rotating and moving out, thus realizing the function of isolating the heating chamber, preventing heat loss in the heating chamber from causing cost waste, and maintaining the temperature in the heating chamber to improve the drying effect of the brake disc.

[0037] Reference Figure 5 As shown, the rotating module 5 includes a column 51, a fixing frame 52, a rotating frame 53, an ejection unit 54, a rotating sleeve 55, a flipping unit 56, a cylindrical frame 57, and a clamping unit 58. The column 51 is installed in the middle of the base frame 1. The fixing frame 52 is installed at the upper and lower ends of the column 51. The rotating frame 53 is rotatably arranged in the middle of the column 51. The rotating frame is a U-shaped annular structure. The ejection unit 54 is arranged inside the rotating frame 53. The middle of the ejection unit 54 is connected to the column 51. The rotating frame 53 has through grooves 59 evenly arranged in the middle. The rotating sleeve 55 is installed in the through grooves 59 through bearings. The flipping unit 56 is arranged on the rotating sleeve 55. The cylindrical frame 57 is slidably arranged in the rotating sleeve 55. The inner side of the cylindrical frame 57 is connected to the ejection unit 54. The clamping unit 58 is installed on the outer side of the cylindrical frame 57.

[0038] In actual use, the rotating frame 53 is connected to the annular electric slide rail. When the annular electric slide rail drives the rotating frame 53 to rotate, the rotating frame 53 drives the cylindrical frame 57 to rotate synchronously through the rotating sleeve 55. When the cylindrical frame 57 rotates to the loading port, the cylindrical frame 57 extends under the action of the ejection unit 54, and the clamping unit 58 extends synchronously onto the loading platform 2 along with the cylindrical frame 57. The loading platform 2 applies negative pressure to the clamping unit 58, causing the clamping unit 58 to retract. The brake disc is then manually placed on the clamping unit 58. Afterward, the annular electric slide rail drives the rotating frame 53 to continue rotating. As the rotation continues, the ejector unit 54 drives the cylindrical frame 57 to reset, the clamping unit 58 extends to clamp and fix the brake disc and drives the brake disc to rotate. Then, the spraying module 6 sprays one side of the brake disc. After the spraying is completed, the rotating sleeve 55 drives the cylindrical frame 57 to rotate 180° through the flipping unit 56, and the clamping unit 58 drives the brake disc to rotate 180° synchronously. The spraying module 6 sprays the other side of the brake disc. When the brake disc is dried, the flipping unit 56 drives the cylindrical frame 57 to rotate 180° again through the rotating sleeve 55, so that the brake disc is heated more evenly.

[0039] Reference Figure 6As shown, the ejection unit 54 includes an ejection frame 541, a retaining ring 542, an ejector rod 543, a limiting ring 544, and a return spring 545. The ejection frame 541 is installed in the middle of the column 51. An ejection groove 546 is provided in the middle of the ejection frame 541. Retaining rings 542 are symmetrically installed on the outer side of the ejection groove 546. The retaining rings 542 are symmetrical about the ejection groove 546. An ejector rod 543 is slidably arranged in the middle of the ejection groove 546. The outer end of the ejector rod 543 is connected to the cylindrical frame 57. A limiting ring 544 is installed on the inner end of the ejector rod 543. A return spring 545 is installed in the middle of the ejector rod 543.

[0040] In actual use, when the rotating frame 53 drives the cylindrical frame 57 to rotate to the loading port, the push rod 543, under the action of the ejection groove 546, drives the cylindrical frame 57 to push outward, so that the clamping unit 58 extends onto the loading platform 2. At this time, the return spring 545 is gradually compressed, and the brake disc is manually unloaded and loaded. Afterward, the rotating frame 53 drives the cylindrical frame 57 to continue rotating, and the return spring 545 drives the push rod 543 to move into the ejection groove 546 through the limit ring 544. The cylindrical frame 57 moves synchronously with the push rod 543 and drives the clamping unit 58 to reset, so that the brake disc enters the spraying cavity, which is convenient for subsequent spraying. This realizes the function of automatically controlling the extension or retraction of the brake disc, which is convenient for loading and unloading the brake disc and improves production efficiency.

[0041] Reference Figure 5 As shown, the flipping unit 56 includes a gear 561 and a rack plate 562. The gear 561 is installed on the rotating sleeve 55. An annular groove is provided on the inner side of the fixing frame 52. The rack plate 562 is evenly installed in the annular groove located at the lower end of the column 51. The rack plate 562 cooperates with the gear 561.

[0042] In actual use, when the brake disc needs to be flipped, the rotating sleeve 55 rotates to the position that engages with the rack plate 562. At this time, the gear 561 meshes with the rack plate 562, causing the rotating sleeve 55 to rotate 180°. The rotating sleeve 55 drives the brake disc to rotate 180° through the cylindrical frame 57 and the clamping unit 58, and then the other side of the brake disc is sprayed. This realizes the function of automatically flipping the brake disc, which facilitates spraying both sides of the brake disc and improves the spraying efficiency of the brake disc.

[0043] It should be noted that the number of rack plates 562 in the annular groove is even. After the cylindrical frame 57 has been rotated to the loading port after multiple flips, the cylindrical frame 57 is still in its initial state, which facilitates the loading and unloading of the brake disc.

[0044] Reference Figure 5As shown, the clamping unit 58 includes a support plate 581, a tension spring 582, a slide rod 583, a slide groove 584, and a clamping assembly 585. A rectangular groove is symmetrically arranged on the outer end of the cylindrical frame 57. The rectangular groove is symmetrical about the center of the cylindrical frame 57. The support plate 581 is slidably arranged in the rectangular groove. A tension spring 582 is installed between the support plate 581 and the rectangular groove. A slide rod 583 is installed on the inner end of the support plate 581. A slide groove 584 is provided on the fixing frame 52 located at the upper end of the column 51. The end of the slide rod 583 is located in the slide groove 584. The clamping assembly 585 is installed on the outer end of the support plate 581.

[0045] In actual use, during the loading, unloading, spraying and drying of the brake disc, the support plate 581 at the upper end of the cylindrical frame 57 is in a retracted state under the action of the slide rod 583 and the slide groove 584, the tension spring 582 at the upper end of the cylindrical frame 57 is in a compressed state, the support plate 581 at the lower end of the cylindrical frame 57 is in an extended state, and the tension spring 582 at the lower end of the cylindrical frame 57 is in a free state. When loading and unloading the brake disc, the cylindrical frame 57 extends upward into the feed port under the action of the ejection unit 54. The cylindrical frame 57 drives the support plate 581 to move synchronously. The slide rod 583 at the upper end of the cylindrical frame 57 keeps the support plate 581 at the upper end of the cylindrical frame 57 in a retracted state under the action of the slide groove 584. The loading platform 2 generates negative pressure to attract the clamping component 585, causing the clamping component 585 to retract. The brake disc is loaded and unloaded manually. Afterward, the clamping component 585 resets to clamp the brake disc. When the brake disc needs to be flipped, the support plate 581 at the upper end of the cylindrical frame 57 extends outward into the rectangular groove under the restoring force of the tension spring 582, aligning the two support plates 581. Then, the flipping unit 56 drives the cylindrical frame 57 to rotate 180°, causing the clamping column 5853 to rotate the brake disc 180° and fall onto the support plate 581 at the lower end of the cylindrical frame 57 under gravity, thus achieving the function of flipping the brake disc. Afterward, the rotating frame 53 drives the cylindrical frame 57 to continue rotating, and the slide rod 583 at the upper end of the cylindrical frame 57 moves the support plate 581 into the rectangular groove under the action of the slide groove 584. The tension spring 582 at the upper end of the cylindrical frame 57 is gradually compressed. At this time, the upper end of the brake disc is unobstructed, which facilitates the spraying of the upper surface of the brake disc and ensures the spraying quality of the brake disc.

[0046] Reference Figure 7 As shown, the chute 584 includes a shrinkage chute a, a feeding chute b, and a tilting chute c, which are smoothly connected.

[0047] In actual use, when the rotating frame 53 drives the cylindrical frame 57 to rotate to the feeding port, the cylindrical frame 57 extends upwards under the action of the ejection unit 54. The slide rod 583 at the upper end of the cylindrical frame 57 slides in the feeding groove b. At this time, the support plate 581 at the upper end of the cylindrical frame 57 is still in the retracted state under the action of the slide rod 583 and the sliding groove 584, and the tension spring 582 at the upper end of the cylindrical frame 57 is in the compressed state. When it is necessary to flip the brake disc, the slide rod 583 at the upper end of the cylindrical frame 57 moves in the flipping groove c. At this time, the support plate 581 at the upper end of the cylindrical frame 57 extends outwards into the rectangular groove under the action of the restoring force of the tension spring 582. The two support plates 581 are aligned, and the slide rod 583 is in a free state in the flip groove c. The flip groove c does not limit the slide rod 583. After the cylindrical frame 57 rotates 180°, the flipped slide rod 583 is still located in the flip groove c. Then, the rotating frame 53 drives the cylindrical frame 57 to continue to rotate. The slide rod 583 at the upper end of the cylindrical frame 57 moves inward into the shrinkage groove a in the flip groove c. The support plate 581 at the upper end of the cylindrical frame 57 moves into the rectangular groove under the action of the slide rod 583 and the shrinkage groove a. After the support plate 581 at the upper end of the cylindrical frame 57 shrinks, the spraying module 6 sprays the brake disc again to achieve double-sided spraying of the brake disc.

[0048] Reference Figure 8 As shown, the clamping assembly 585 includes an electric turntable 5851, a connector frame 5852, a clamping column 5853, a piston rod 5854, a compression spring 5855, a pressing frame 5856, and a clamping block 5857. The outer end of the support plate 581 is provided with a mounting groove, in which the electric turntable 5851 is installed. The connector frame 5852 is installed inside the electric turntable 5851. A connector groove is provided in the center of the inner side of the connector frame 5852. Ventilation holes are evenly distributed on the outer surface of the connector frame 5852. A clamping column 5853 is inserted into the insertion slot at the lower end of the column frame 57. A ventilation slot is provided in the middle of the lower end of the clamping column 5853. A groove is provided in the middle of the clamping column 5853. A piston rod 5854 is slidably arranged in the middle of the groove. A compression spring 5855 is installed between the piston rod 5854 and the groove. An extrusion frame 5856 is installed in the middle of the piston rod 5854. The outer side of the extrusion frame 5856 is an inclined surface. A clamping block 5857 is slidably arranged evenly on the inclined surface of the extrusion frame 5856. The clamping block 5857 is slidably arranged in the groove.

[0049] In actual use, when the brake disc is loaded, the loading platform 2 generates negative pressure. The loading platform 2 uses the vent holes and vent grooves to apply negative pressure to the piston rod 5854, causing the piston rod 5854 to move downward. The compression spring 5855 is gradually compressed, and the clamping block 5857 moves into the groove under the action of the extrusion frame 5856, which facilitates the loading and unloading of the brake disc. After the brake disc is loaded, the piston rod 5854 returns to its original position and moves upward under the action of the compression spring 5855. The extrusion frame 5856 extrudes the clamping block 5857, causing the clamping block 5857 to move outward from the groove to clamp and fix the brake disc. Then, the electric turntable 5851 drives the clamping column 5853 to rotate at a constant speed through the plug-in frame 5852. The brake disc rotates synchronously with the clamping column 5853, which facilitates the spraying of the brake disc. This realizes the function of automatically clamping and fixing the brake disc and improves the loading rate of the brake disc.

[0050] When the brake disc is flipped, the support plate 581 at the upper end of the cylindrical frame 57 extends outward into the rectangular groove under the action of the tension spring 582, aligning the two support plates 581. Then, the flipping unit 56 drives the cylindrical frame 57 to rotate 180°, causing the clamping column 5853 to drive the brake disc to rotate 180° and fall into the insertion slot in the insertion frame 5852 at the lower end of the cylindrical frame 57, thus realizing the function of flipping the brake disc. Afterward, the rotating frame 53 drives the cylindrical frame 57 to continue rotating. The slide rod 583 at the upper end of the cylindrical frame 57 moves the support plate 581 into the rectangular groove under the action of the slide groove 584. The tension spring 582 at the upper end of the cylindrical frame 57 is gradually compressed. At this time, the upper end of the brake disc is unobstructed, making it convenient to spray paint the upper surface of the brake disc.

[0051] It should be noted that when the brake disc is flipped, the clamping component 585 supports the middle of the brake disc without contacting the surface of the brake disc, so it will not scratch the surface of the brake disc or affect the painted surface.

[0052] Reference Figure 9 As shown, the spraying module 6 includes an arc-shaped plate 61, an electric slider 62, a U-shaped frame 63, a transverse frame 64, a limiting rod 65, and a spray gun 66. The arc-shaped plate 61 is installed at the upper end of the spraying cavity, the electric slider 62 is installed on the inner side of the arc-shaped plate 61, the U-shaped frame 63 is installed on the electric slider 62, the transverse frame 64 is slidably arranged in the middle of the U-shaped frame 63, the limiting rod 65 is installed at the upper end of the transverse frame 64, the arc-shaped plate 61 is provided with an arc-shaped groove, the limiting rod 65 is located in the arc-shaped groove, and the spray gun 66 is installed at the lower end of the transverse frame 64.

[0053] In actual use, when the brake disc is being sprayed, the electric slider 62 drives the U-shaped frame 63 to move, and the U-shaped frame 63 drives the transverse frame 64 to move. At this time, the limit rod 65 drives the transverse frame 64 to make an arc-shaped movement under the action of the arc groove, so that the spray gun 66 moves synchronously with the brake disc, which facilitates the spraying of the brake disc. After the spraying is completed, the electric slider 62 drives the U-shaped frame 63 and the transverse frame 64 to reset.

[0054] The implementation principle of this embodiment is as follows: 1. Loading Movement: When the rotating frame 53 drives the cylindrical frame 57 to rotate to the loading port, the push rod 543, under the action of the ejection groove 546, drives the cylindrical frame 57 to push outward, so that the clamping unit 58 extends onto the loading platform 2. At this time, the return spring 545 is gradually compressed, and the brake disc is manually loaded. Afterward, the rotating frame 53 drives the cylindrical frame 57 to continue rotating, and the return spring 545 drives the push rod 543 to move into the ejection groove 546 through the limit ring 544. The cylindrical frame 57 moves synchronously with the push rod 543 and drives the clamping unit 58 to reset, so that the brake disc enters the spraying cavity.

[0055] 2: Spraying and flipping. Spraying module 6 sprays one side of the brake disc. After spraying, the rotating sleeve 55 rotates to the position that engages with the rack plate 562. At this time, the gear 561 meshes with the rack plate 562, causing the rotating sleeve 55 to rotate 180°. The rotating sleeve 55 drives the brake disc to rotate 180° through the cylindrical frame 57 and the clamping unit 58. Then, the other side of the brake disc is sprayed. After both sides of the brake disc are sprayed, the rotating module 5 drives the brake disc through the partition module 4 into the heating chamber.

[0056] 3: Drying and unloading. The heating rack 7 heats and dries the sprayed brake disc. At the same time, the rotating module 5 drives the brake disc to rotate, so that the brake disc is heated evenly. After drying, the rotating module 5 drives the brake disc to pass through the partition module 4 again and enter the loading port. The brake disc is then manually unloaded.

[0057] The embodiments described herein are preferred embodiments of the present invention and are not intended to limit the scope of protection of the present invention. Therefore, all equivalent changes made in accordance with the structure, shape, and principle of the present invention should be covered within the scope of protection of the present invention.

Claims

1. An electrostatic spraying device for bicycle parts, characterized in that, include: The base frame (1) has a cylindrical hollow structure and a feeding port is provided in the middle of the outer side of the base frame (1); The loading platform (2) is installed at the lower end of the loading port. The loading platform (2) is used to load and unload parts. The top plate frame (3) is installed on the upper end of the base frame (1), and an arc-shaped cavity is formed between the top plate frame (3) and the base frame (1); The partition module (4) is symmetrically installed in the arc-shaped cavity. The two partition modules (4) are symmetrical about the center of the arc-shaped cavity. The partition module (4) divides the arc-shaped cavity into a spraying cavity and a heating cavity. The spraying cavity and the heating cavity have an arc-shaped structure. Rotation module (5) is installed in the middle of the base frame (1). Rotation module (5) is used to drive the parts to rotate and flip inside the arc cavity. Two spraying modules (6) are used to electrostatically spray the upper and lower sides of the parts. The spraying modules (6) are set inside the spraying cavity and installed on the top plate frame (3). Heating rack (7) is symmetrically arranged in the heating chamber. The two heating racks (7) are symmetrically arranged vertically. The heating rack (7) is installed on the base frame (1) and the top plate frame (3). Heating holes are evenly arranged on the heating rack (7). The heating rack (7) is used to heat and dry the parts after electrostatic spraying. The rotating module (5) includes a column (51), a fixing frame (52), a rotating frame (53), an ejection unit (54), a rotating sleeve (55), a flipping unit (56), a cylindrical frame (57), and a clamping unit (58). The column (51) is installed in the middle of the base frame (1). The fixing frame (52) is installed at the upper and lower ends of the column (51). The rotating frame (53) is rotatably installed in the middle of the column (51). The rotating frame (53) is a U-shaped annular structure. 3) An ejection unit (54) is provided on the inner side. The middle part of the ejection unit (54) is connected to the column (51). A through groove (59) is evenly provided in the middle of the rotating frame (53). A rotating sleeve (55) is installed in the through groove (59) through a bearing. A flipping unit (56) is provided on the rotating sleeve (55). A cylindrical frame (57) is slidably provided in the rotating sleeve (55). The inner side of the cylindrical frame (57) is connected to the ejection unit (54). A clamping unit (58) is installed on the outer side of the cylindrical frame (57). The clamping unit (58) includes a support plate (581), a tension spring (582), a slide rod (583), a slide groove (584), and a clamping assembly (585). A rectangular groove is symmetrically arranged on the outer end of the cylindrical frame (57). The rectangular groove is symmetrical about the center of the cylindrical frame (57). The support plate (581) is slidably arranged in the rectangular groove. A tension spring (582) is installed between the support plate (581) and the rectangular groove. A slide rod (583) is installed on the inner end of the support plate (581). A slide groove (584) is provided on the fixing frame (52) located at the upper end of the column (51). The end of the slide rod (583) is located in the slide groove (584). A clamping assembly (585) is installed on the outer end of the support plate (581). The clamping assembly (585) includes an electric turntable (5851), a connector frame (5852), a clamping column (5853), a piston rod (5854), a compression spring (5855), a pressing frame (5856), and a clamping block (5857). The outer end of the support plate (581) is provided with a mounting groove, in which the electric turntable (5851) is installed. The connector frame (5852) is installed inside the electric turntable (5851). A connector groove is provided in the center of the inner side of the connector frame (5852). Ventilation holes are evenly distributed on the outer surface of the connector frame (5852). The connector is located on the cylindrical frame. (57) A clamping post (5853) is inserted into the insertion slot at the lower end. A ventilation groove is provided in the middle of the lower end of the clamping post (5853). A groove is provided in the middle of the clamping post (5853). A piston rod (5854) is slidably arranged in the middle of the groove. A compression spring (5855) is installed between the piston rod (5854) and the groove. An extrusion frame (5856) is installed in the middle of the piston rod (5854). The outer side of the extrusion frame (5856) is an inclined surface. A clamping block (5857) is slidably arranged on the inclined surface of the extrusion frame (5856). The clamping block (5857) is slidably arranged in the groove. The left end of the feeding platform (2) is uniformly provided with negative pressure holes for negative pressure adsorption of the rotating module (5). The feeding platform (2) generates negative pressure and the feeding platform (2) adsorbs the piston rod (5854) through the ventilation holes and ventilation grooves.

2. The electrostatic spraying device for bicycle parts according to claim 1, characterized in that: The partition module (4) includes a fan-shaped plate (41), a slide rail frame (42), and a lifting plate (43). The fan-shaped plates (41) are symmetrically installed in the arc cavity. The two fan-shaped plates (41) are symmetrical about the arc cavity. A fan-shaped groove is provided on the inner side of the fan-shaped plate (41). The slide rail frame (42) is symmetrically installed in the fan-shaped groove. The slide rail frame (42) is symmetrical about the center of the fan-shaped groove. The lifting plate (43) is slidably arranged in the middle of the slide rail frame (42).

3. The electrostatic spraying device for bicycle parts according to claim 1, characterized in that: The ejection unit (54) includes an ejection frame (541), a retaining ring (542), an ejector rod (543), a limiting ring (544), and a return spring (545). The ejection frame (541) is installed in the middle of the column (51). An ejection groove (546) is provided in the middle of the ejection frame (541). Retaining rings (542) are symmetrically installed on the outside of the ejection groove (546). The retaining rings (542) are symmetrical about the ejection groove (546). An ejector rod (543) is slidably provided in the middle of the ejection groove (546). The outer end of the ejector rod (543) is connected to the cylindrical frame (57). A limiting ring (544) is installed on the inner end of the ejector rod (543). A return spring (545) is installed in the middle of the ejector rod (543).

4. The electrostatic spraying device for bicycle parts according to claim 1, characterized in that: The flipping unit (56) includes a gear (561) and a rack plate (562). The gear (561) is installed on the rotating sleeve (55). An annular groove is provided on the inner side of the fixing frame (52). The rack plate (562) is evenly installed in the annular groove located at the lower end of the column (51). The rack plate (562) cooperates with the gear (561).

5. The electrostatic spraying device for bicycle parts according to claim 1, characterized in that: The chute (584) includes a shrinkage chute a, a discharge chute b, and a tilting chute c, which are smoothly connected.

6. The electrostatic spraying device for bicycle parts according to claim 1, characterized in that: The spraying module (6) includes an arc plate (61), an electric slider (62), a U-shaped frame (63), a transverse frame (64), a limiting rod (65), and a spray gun (66). An arc plate (61) is installed at the upper end of the spraying cavity. An electric slider (62) is installed on the inner side of the arc plate (61). A U-shaped frame (63) is installed on the electric slider (62). A transverse frame (64) is slidably arranged in the middle of the U-shaped frame (63). A limiting rod (65) is installed at the upper end of the transverse frame (64). An arc groove is provided on the arc plate (61). The limiting rod (65) is located in the arc groove. A spray gun (66) is installed at the lower end of the transverse frame (64).

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