Brake steering knuckle spraying equipment

Abstract

The utility model discloses brake knuckle spraying equipment, and relates to the technical field of machining. The electrostatic spraying device comprises an operation table, a spraying pool, rotating rods, an electrostatic generator, slopes and a notch, one side of the operation table is fixedly connected with the spraying pool, the four slopes distributed in an annular array mode are arranged at the bottom of the spraying pool, the notch is formed in the center of the bottom end of the spraying pool in a penetrating mode, and the four rotating rods distributed at equal intervals are rotationally connected to one side of the spraying pool in a penetrating mode; the power connection end of the electrostatic generator is connected with an electric wire, and the end, away from the electrostatic generator, of the electric wire is fixedly connected with an electrostatic emission clamp which is clamped on the circumferential side face, extending out of the spraying pool, of the rotating rod. According to the spraying device, the electrostatic generator, the slope and the notch are arranged, so that the problem that the binding force between paint and a steering knuckle is low in the spraying process of existing spraying equipment for the steering knuckle of the brake is solved, and the problem that the dripping paint cannot be treated in time in the re-spraying process is solved.

Description

Technical Field

[0001] This utility model belongs to the field of mechanical processing technology, and in particular relates to a brake steering knuckle spraying equipment. Background Technology

[0002] As a crucial component of a car, the brake steering knuckle primarily functions to transmit and bear the loads from the front of the vehicle. Simultaneously, its fork-shaped structure supports the wheel axle, providing steering capability, and, connected to the front axle, allows the vehicle to turn according to the driver's intentions. As a core load-bearing component of the steering axle, the brake steering knuckle is constantly exposed to humid, salt spray, and chemically corrosive road conditions, making it highly susceptible to corrosion and rust. To address these issues, spray coating equipment is typically used to treat the brake steering knuckle.

[0003] Spray coating significantly improves the surface hardness and wear resistance of steering knuckles by applying a coating. It also forms a compressive stress layer on the surface, significantly enhancing the fatigue resistance of the steering knuckle. Furthermore, the coating acts as a physical barrier, isolating the steering knuckle from moisture, salt spray, and acidic / alkaline media, preventing corrosion. However, current traditional brake steering knuckle spray coating equipment still has the following problems during use:

[0004] 1. The steering knuckle has an uneven shape, making some parts difficult to paint. Therefore, the painting process of the steering knuckle usually involves repainting to ensure that every part of the steering knuckle is covered by paint. However, due to material limitations, the paint may not adhere well to the steering knuckle during the first spraying, resulting in the paint not bonding with the steering knuckle immediately. This requires the operator to wait for a period of time before repainting, which greatly reduces the efficiency of the steering knuckle painting work, wastes time, and increases labor costs.

[0005] 2. When re-coating areas that are difficult to spray, due to the limitations of the current equipment's precision, it is inevitable that some areas will be sprayed onto already coated areas, resulting in excessively thick coating. Due to gravity, the excessively thick coating will drip down. If the dripping coating is not collected and treated immediately, it will be difficult to clean up later, which will affect the operating environment of the spraying work and reduce the efficiency of the spraying work.

[0006] 3. After the steering knuckle is sprayed once, it is necessary to wait for the paint to fully bond with the steering knuckle before a second spraying can be carried out. During the waiting time for the second spraying, the brake steering knuckle spraying equipment is in standby mode, which wastes time, increases time costs, and reduces work efficiency.

[0007] 4. Due to the uneven shape of the steering knuckle, it is extremely difficult to spray some parts fully, resulting in poor spraying effect and affecting the overall spraying effect. This requires changing the angle to spray different parts of the steering knuckle. However, traditional brake steering knuckle spraying equipment cannot adjust the opening size of the clamp to hold different parts of the steering knuckle when clamping it, resulting in insufficient spraying and poor spraying effect.

[0008] To address these issues, we provide a brake steering knuckle spraying device. Utility Model Content

[0009] The purpose of this utility model is to provide a brake steering knuckle spraying device. By setting up an electrostatic generator, wires, electrostatic emission clamps, rotating rods, spray tanks, ramps, slots, clamps, clamps, bolts, and nuts, it solves the problems of existing brake steering knuckle spraying devices, such as the paint not being able to bond with the steering knuckle in time during spraying; the difficulty in collecting and cleaning dripping paint; the need to wait for a period of time after one spraying before re-spraying; and the inability to clamp various parts of the steering knuckle.

[0010] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0011] This utility model is a brake steering knuckle spraying device, including an electrostatic generator, wires, electrostatic emission clips, rotating rods and clamps. The lower end of the operating table is fixedly connected to a box near the spraying tank. Four equally spaced rotating rods are rotatably connected through one side of the spraying tank. Two clamps are symmetrically arranged on the outer side of the ends of the four rotating rods that extend into the spraying tank.

[0012] When performing the spraying operation, rotating the rotating rod will cause the clamp to rotate accordingly, and the steering knuckle held by the clamp will also rotate, allowing different parts of the steering knuckle to be sprayed. At the same time, the presence of four rotating rods allows the steering knuckle that has not been sprayed to be clamped on another rotating rod for a second spraying operation while waiting for the second spraying after the first spraying.

[0013] An electrostatic generator is placed inside the machine box. The power terminal of the electrostatic generator is connected to a wire. An electrostatic emission clip is fixedly connected to the end of the wire away from the electrostatic generator. The electrostatic emission clip is clamped on the circumferential side of the rotating rod extending out of the spray tank.

[0014] The control panel and housing provide a supporting structure for the electrostatic generator, enabling it to stably generate charged ions. The wires provide a trajectory for the charged ions, and the electrostatic emission clamps transfer the charged ions to the rotating rod. The rotating rod is made of metal and is conductive. It guides the charged ions from the electrostatic emission clamps to the clamps, and then the charged ions move toward the steering knuckle, energizing it. During subsequent spraying, the adhesion between the paint and the steering knuckle is greatly improved due to the energized steering knuckle.

[0015] The bottom of the spray tank is provided with four ramps arranged in a circular array. A slot is opened through the center of the bottom of the spray tank, and the upper end of the slot is connected to the lower end of the ramp. When paint drips, the dripping paint will drip onto the ramp, then slide down the ramp to the bottom of the spray tank, and drip through the slot into the paint collection bucket placed directly below the slot, so that the dripping paint can be collected immediately.

[0016] Furthermore, four support legs are fixedly connected to the lower end of the operating platform; the support legs provide a support structure for the operating platform.

[0017] Furthermore, a pressure pump is fixedly connected to the upper end of the operating table. The upper end of the pressure pump is provided with an inlet and an outlet. An inlet pipe is fixedly connected to the outside of the inlet, and an outlet pipe is fixedly connected to the outside of the outlet. A pressure gauge is provided on the upper periphery of the outlet. A spray gun is fixedly connected to the end of the outlet pipe away from the pressure pump.

[0018] The pressure gauge can measure and display the output pressure of the pressure pump to ensure the normal operation and safety of the pressure pump. After the pressure pump is started, the paint entering the pressure pump from the feed port flows to the discharge port through the action of the pressure pump, and then flows from the discharge port to the discharge pipe. After the spray gun is turned on, it is sprayed out from the nozzle of the spray gun along the discharge pipe. Adjust the direction of the spray gun so that the spray gun is aligned with the steering knuckle, and the spraying work can be carried out.

[0019] Furthermore, a support plate is fixedly connected to the side of the spray tank away from the operating table; the operating table and the support plate together provide a stable structure for the spray tank, enabling the spraying work to be carried out stably. At the same time, as the place where the spraying work is carried out, the spray tank can prevent most of the paint sprayed from the spray gun from splashing out, reducing the pollution to the work site.

[0020] Furthermore, two sets of symmetrically distributed clamps are fixed to the end of the rotating rod that extends into the spray tank. The end of the clamp near the rotating rod extends into the set of clamps that is close to it. Each set of clamps and the clamps on its inner side are connected by a bolt through the clamps, and the tail end of the bolt extends out of the clamp and is screwed with a nut.

[0021] When different parts of the steering knuckle need to be clamped, turn off the electrostatic generator, remove the nut screwed to the end of the bolt, adjust the angle of the clamp so that the clamp can fit tightly against the part of the steering knuckle that needs to be clamped, then screw the nut back onto the end of the bolt and tighten the nut so that the clamping plate deforms and squeezes the clamp, thereby fixing the clamp to hold the steering knuckle.

[0022] Furthermore, the end of the rotating rod away from the clamp extends out of the spray tank and is fixedly connected to an insulating sleeve, and the end of the insulating sleeve away from the rotating rod is fixedly connected to a handwheel;

[0023] When it is necessary to rotate the lever, simply turn the handwheel, and the lever will rotate accordingly, thereby causing the steering knuckle to rotate; at the same time, the insulating sleeve isolates charged ions, so the rotation operation can be performed even while the electrostatic generator is running.

[0024] Furthermore, a paint bucket is provided on the outside of the side of the operating table near the machine box, and the upper end of the paint bucket is provided with a bucket opening, and the upper end of the bucket opening is fixedly connected to the end of the feed pipe away from the feed inlet.

[0025] The paint bucket contains paint, which prevents the paint from being contaminated. During spraying, the paint in the paint bucket is pumped through the bucket opening, through the feed pipe, the pump, the outlet, and the discharge pipe, and finally sprayed out from the nozzle of the spray gun.

[0026] This utility model has the following beneficial effects:

[0027] This invention solves the problem of paint not being able to bond with the brake steering knuckle in a timely manner by setting up an electrostatic generator, wires, an electrostatic emission clamp, and a rotating rod. Before the spraying process, the electrostatic emission clamp is held on the rotating rod, and the electrostatic generator is turned on. The charged ions generated by the electrostatic generator move to the electrostatic emission clamp through the wires. The electrostatic emission clamp emits the charged ions onto the rotating rod, and then the rotating rod moves to the surface of the brake steering knuckle, energizing the brake steering knuckle. At this time, the brake steering knuckle is sprayed. Because the steering knuckle surface is energized, the bonding force between the paint and the steering knuckle is greatly improved, shortening the waiting time for re-spraying, achieving the goal of reducing time and labor costs, and improving work efficiency.

[0028] This invention solves the problem of difficult collection and cleaning of dripping paint by setting up a spray tank, slope, and slot. When paint drips, the dripping paint will flow down the slope to the bottom of the spray tank and flow out of the slot at the bottom of the spray tank. Simply place a paint collection bucket below the slot to collect and clean up the dripping paint, avoiding the impact of dripping paint on the operating environment of the spraying work and improving the work efficiency of the spraying work.

[0029] This invention solves the problem of having to wait for a period of time before re-spraying after one spraying by setting four equally spaced rotating rods. During the waiting time after the steering knuckle is sprayed, the unsprayed steering knuckle is clamped on another rotating rod and sprayed again, making full use of the waiting time, reducing time and labor costs, and improving work efficiency.

[0030] This invention solves the problem of not being able to clamp all parts of the steering knuckle by setting up a clamping plate, clamps, bolts, and nuts. When different parts of the steering knuckle need to be clamped, first remove the nut screwed to the end of the bolt, adjust the angle of the clamps so that the clamps can tightly fit the parts of the steering knuckle that need to be clamped, then screw the nut back onto the end of the bolt and tighten the nut so that the clamping plate deforms and squeezes the clamps, thereby fixing the clamps to hold the steering knuckle. This achieves the purpose of clamping all parts of the steering knuckle, allowing for more thorough paint spraying and enhancing the spraying effect.

[0031] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0032] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0033] Figure 1 This is a schematic diagram of a brake steering knuckle spraying device.

[0034] Figure 2 This is a rear view schematic diagram of a brake steering knuckle spraying equipment.

[0035] Figure 3 This is a schematic diagram of a pressure pump.

[0036] Figure 4 This is a schematic diagram of the spray tank structure.

[0037] Figure 5 This is a diagram showing the connection structure of the rotating rod, clamps, clamping plates, insulating sleeve, and handwheel.

[0038] Figure 6 This is a schematic diagram of the structure of an electrostatic generator.

[0039] Figure 7 This is a schematic diagram of the paint bucket.

[0040] Figure 8 for Figure 5Enlarged view of the structure at point A in the middle.

[0041] The attached diagram lists the components represented by each number as follows:

[0042] 1. Operating platform; 101. Support leg; 102. Machine housing; 2. Pressure pump; 201. Feed pipe; 202. Pressure gauge; 203. Discharge pipe; 204. Spray gun; 3. Spray tank; 301. Support plate; 302. Slope; 303. Groove opening; 4. Paint bucket; 401. Bucket opening; 5. Rotating rod; 501. Clamp; 502. Clamping plate; 503. Insulating sleeve; 504. Handwheel; 505. Bolt; 506. Nut; 6. Static generator; 601. Wire; 602. Static emission clip. Detailed Implementation

[0043] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model. Specific Implementation Example 1

[0044] Please see Figure 1-7 This utility model is a brake steering knuckle spraying device, including an electrostatic generator 6, a wire 601, an electrostatic emission clamp 602, a rotating rod 5, a spraying tank 3, a ramp 302, a slot 303, a clamping plate 502, a clamp 501, a bolt 505 and a nut 506.

[0045] One side of the operating table 1 is fixedly connected to the spray tank 3. The lower end of the operating table 1 is fixedly connected to the box 102 near the spray tank 3. Four equally spaced rotating rods 5 are rotatably connected through one side of the spray tank 3. Two clamps 501 are symmetrically arranged on the outside of the end of each of the four rotating rods 5 that extend into the spray tank 3.

[0046] Rotating the rotating rod 5 will cause the clamp 501 to rotate accordingly, and the steering knuckle held by the clamp 501 will also rotate accordingly, so that different parts of the steering knuckle can be sprayed. At the same time, the presence of four rotating rods 5 allows the steering knuckle that has not been sprayed to be clamped on another rotating rod 5 and sprayed again while waiting for the second spray after the first spray.

[0047] Inside the housing 102 is an electrostatic generator 6. The power terminal of the electrostatic generator 6 is connected to a wire 601. The end of the wire 601 away from the electrostatic generator 6 is fixedly connected to an electrostatic emission clip 602. The electrostatic emission clip 602 is clamped on the circumferential side of the rotating rod 5 extending out of the spray tank 3.

[0048] The control panel 1 and the housing 102 provide a support structure for the electrostatic generator 6, enabling the electrostatic generator 6 to stably generate charged ions. The wire 601 provides a trajectory for the charged ions, and the electrostatic emission clamp 602 can transfer the charged ions to the rotating rod 5. The rotating rod 5 is made of metal and is conductive. The rotating rod 5 guides the charged ions transferred by the electrostatic emission clamp 602 to the clamp 501. Then the charged ions move towards the steering knuckle, making the steering knuckle charged. When the spraying work is carried out, the electrostatic adsorption effect is generated due to the charging of the steering knuckle, which greatly improves the adhesion between the paint and the steering knuckle.

[0049] Among them, such as Figure 1 , Figure 2 As shown, four support legs 101 are fixedly connected to the lower end of the operating table 1; the support legs 101 provide a support structure for the operating table 1.

[0050] Among them, such as Figure 1-3 As shown, a pressure pump 2 is fixedly connected to the upper end of the operating table 1. The upper end of the pressure pump 2 is provided with a feed inlet and a discharge outlet. A feed pipe 201 is fixedly connected to the outside of the feed inlet, and a discharge pipe 203 is fixedly connected to the outside of the discharge outlet. A pressure gauge 202 is provided on the upper side of the discharge outlet. A spray gun 204 is fixedly connected to the end of the discharge pipe 203 away from the pressure pump 2.

[0051] Pressure gauge 202 can measure and display the output pressure value of pressure pump 2 to ensure the normal operation and safety of pressure pump 2. After pressure pump 2 is started, the paint entering pressure pump 2 from the feed port flows to the discharge port through the action of pressure pump 2, and then flows from the discharge port to the discharge pipe 203. After the spray gun 204 is turned on, it is sprayed out from the nozzle of spray gun 204 along the discharge pipe 203. Adjust the orientation of spray gun 204 so that spray gun 204 is aligned with steering knuckle, and spraying work can be carried out.

[0052] Among them, such as Figure 1-7 As shown, a paint bucket 4 is provided on the outside of the side of the operating table 1 near the machine box 102. The upper end of the paint bucket 4 is provided with a bucket opening 401. The upper end of the bucket opening 401 is fixedly connected to the end of the feed pipe 201 away from the feed inlet.

[0053] Paint bucket 4 contains paint, which prevents the paint from being contaminated. During the spraying operation, the paint in paint bucket 4 is pumped by pressure pump 2 through bucket opening 401, through feed pipe 201, pressure pump 2, discharge port and discharge pipe 203, and finally sprayed out from the nozzle of spray gun 204.

[0054] The working principle of this embodiment is as follows: Before spraying, clamps 501 are used to hold the part of the brake steering knuckle that needs to be held. Rotating the rotating rod 5 adjusts the position of the steering knuckle. Then, the electrostatic emission clamp 602 is clamped on the circumferential side of the rotating rod 5 extending out of the spray tank 3. The electrostatic generator 6 is started to allow charged ions to adhere to the surface of the steering knuckle. The pressure pump 2 is started, the nozzle orientation is adjusted, and the spray gun 204 is opened. The paint in the paint tank 4 is sprayed out from the nozzle of the spray gun 204 through the feed pipe 201, the pressure pump 2, and the discharge pipe 203, thereby performing the spraying work on the brake steering knuckle. After the spraying is completed, the pressure pump 2, the spray gun 204, and the electrostatic generator 6 are turned off. During the waiting time for re-spraying after the first spraying of the steering knuckle, the unsprayed steering knuckle can be held with another clamp 501 and the above operation is repeated to perform a spraying work on the unsprayed brake steering knuckle. Specific Implementation Example 2

[0055] Please see Figure 1-4 Based on the first specific embodiment, the bottom of the spray tank 3 is provided with four ramps 302 arranged in a circular array. A slot 303 is opened through the center of the bottom end of the spray tank 3, and the upper end of the slot 303 is connected to the lower end of the ramp 302. When paint drips, the dripping paint will drip onto the ramp 302, and then slide down the ramp 302 to the bottom end of the spray tank 3, and drip through the slot 303 into the paint collection bucket placed directly below the slot 303, so that the dripping paint can be collected immediately.

[0056] Among them, such as Figure 1-4 As shown, a support plate 301 is fixedly connected to the side of the spray tank 3 away from the operating table 1; the operating table 1 and the support plate 301 together provide a stable structure for the spray tank 3, so that the spraying work can be carried out stably. At the same time, as the place where the spraying work is carried out, the spray tank 3 can prevent most of the paint sprayed by the spray gun 204 from splashing out, reducing the pollution to the work site.

[0057] Among them, such as Figure 1-8 As shown, two sets of symmetrically distributed clamping plates 502 are fixed to the end of the rotating rod 5 that extends into the spray tank 3. The end of the clamp 501 near the rotating rod 5 extends into the set of clamping plates 502 that is close to it. Each set of clamping plates 502 and the clamp 501 on its inner side are connected by a bolt 505 through the joint, and the tail end of the bolt 505 extends out of the clamping plate 502 and is screwed with a nut 506.

[0058] When different parts of the steering knuckle need to be clamped, turn off the electrostatic generator 6, remove the nut 506 screwed to the end of the bolt 505, adjust the angle of the clamp 501 so that the clamp 501 can fit tightly against the part of the steering knuckle that needs to be clamped, then screw the nut 506 back to the end of the bolt 505 and tighten the nut 506 so that the clamping plate 502 deforms and squeezes the clamp 501, thereby fixing the clamp 501 to hold the steering knuckle.

[0059] Among them, such as Figure 1-4 As shown, the end of the rotating rod 5 away from the clamp 501 extends out of the spray tank 3 and is fixedly connected to an insulating sleeve 503. The end of the insulating sleeve 503 away from the rotating rod 5 is fixedly connected to a handwheel 504.

[0060] When it is necessary to rotate the lever 5, simply turn the handwheel 504, and the lever 5 will rotate accordingly, thereby causing the steering knuckle to rotate; at the same time, the insulating sleeve 503 isolates charged ions, so the rotation operation can be performed even during the operation of the electrostatic generator 6.

[0061] The working principle of this embodiment is as follows: Before spraying, firstly, remove the nut 506 screwed onto the end of the bolt 505, adjust the angle of the clamp 501 so that the clamp 501 can tightly fit the part of the steering knuckle that needs to be clamped, then screw the nut 506 back onto the end of the bolt 505 and tighten the nut 506 so that the clamping plate 502 deforms and squeezes the clamp 501, thereby fixing the clamp 501 to hold the steering knuckle. Start the electrostatic generator 6, start the pressure pump 2, open the spray gun 204 to spray the paint onto the steering knuckle, and turn the handwheel 504 to make the clamp 501 and the clamp... The steering knuckle held by clamp 501 rotates together, and various parts of the steering knuckle are sprayed. After the spraying is completed, the pressure pump 2, spray gun 204 and electrostatic generator 6 are turned off. After the paint sprayed once is fully combined with the steering knuckle, before the re-spraying operation, the position of the steering knuckle held by clamp 501 is adjusted, and the parts that were not fully sprayed in the first spraying are sprayed. The paint dripping from the fully sprayed parts will drip onto the slope 302, and then slide down the slope 302 to the bottom of the spray tank 3, and drip through the slot 303 into the paint collection bucket placed directly below the slot 303.

[0062] The above are merely preferred embodiments of the present utility model and do not limit the present utility model. Any modifications, equivalent substitutions, or improvements made to the technical solutions described in the foregoing embodiments, or to some of the technical features, shall fall within the protection scope of the present utility model.

Claims

1. A brake knuckle spraying device, comprising an operating table (1), a spraying pool (3), a rotating shaft (5) and an electrostatic generator (6); characterized in that: One side of the operating table (1) is fixedly connected to the spray tank (3), and the lower end of the operating table (1) is fixedly connected to the spray tank (3) near the position of the spray tank (3). Four equally spaced rotating rods (5) are rotatably connected through one side of the spray tank (3). Two clamps (501) are symmetrically arranged outside the ends of the four rotating rods (5) that extend into one end of the spray tank (3). An electrostatic generator (6) is placed inside the housing (102). The power terminal of the electrostatic generator (6) is connected to a wire (601). An electrostatic emission clip (602) is fixedly connected to the end of the wire (601) away from the electrostatic generator (6). The electrostatic emission clip (602) is clamped on the circumferential side of the rotating rod (5) extending out of the spray tank (3). The bottom of the spray tank (3) is provided with four ramps (302) arranged in a ring array. A slot (303) is opened through the center of the bottom end of the spray tank (3), and the upper end of the slot (303) is connected to the lower end of the ramp (302).

2. A brake knuckle painting apparatus according to claim 1, wherein: The lower end of the operating table (1) is fixedly connected to four support legs (101).

3. The brake knuckle painting apparatus of claim 1, wherein: The upper end of the operating table (1) is fixedly connected to a pressure pump (2). The upper end of the pressure pump (2) is provided with a feed inlet and a discharge outlet. A feed pipe (201) is fixedly connected to the outside of the feed inlet, and a discharge pipe (203) is fixedly connected to the outside of the discharge outlet. A pressure gauge (202) is provided on the upper side of the discharge outlet. A spray gun (204) is fixedly connected to the end of the discharge pipe (203) away from the pressure pump (2).

4. The brake knuckle painting apparatus of claim 1, wherein: A support plate (301) is fixedly connected to the side of the spray tank (3) away from the operating table (1).

5. The brake knuckle painting apparatus of claim 1, wherein: Two sets of symmetrically distributed clamps (502) are fixed to the end of the rotating rod (5) that extends into the spray tank (3). The end of the clamp (501) near the rotating rod (5) extends into the set of clamps (502) that is close to it. Each set of clamps (502) and the clamp (501) on its inner side are connected by a bolt (505) through it. The tail end of the bolt (505) extends out of the clamp (502) and is screwed with a nut (506).

6. A brake knuckle painting apparatus as defined in claim 5, wherein: The end of the rotating rod (5) away from the clamp (501) extends out of the spray tank (3) and is fixedly connected to an insulating sleeve (503). The end of the insulating sleeve (503) away from the rotating rod (5) is fixedly connected to a handwheel (504).

7. The brake knuckle painting apparatus of claim 3, wherein: The operating table (1) has a paint bucket (4) on the outside of the side near the machine box (102). The upper end of the paint bucket (4) has a bucket opening (401), and the upper end of the bucket opening (401) is fixedly connected to the end of the feed pipe (201) away from the feed inlet.

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