A magnetic powder jetting production line for parts
By integrating an adjustable cylinder clamping mechanism, a multi-degree-of-freedom manipulator, and a closed-loop magnetic powder recovery system, the problems of low efficiency and environmental pollution in traditional magnetic particle inspection processes have been solved, achieving efficient and uniform magnetic particle inspection of parts and resource conservation.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHANGZHOU YUETAI TESTING TECH CO LTD
- Filing Date
- 2025-05-30
- Publication Date
- 2026-06-30
AI Technical Summary
Traditional magnetic particle inspection processes are inefficient and have poor uniformity. Fixed nozzles are difficult to adapt to multi-angle spraying of complex parts, and imperfect magnetic particle recovery systems lead to environmental pollution.
An adjustable cylinder clamping mechanism and a multi-degree-of-freedom manipulator are used in conjunction with a closed-loop magnetic powder recovery system. A quick-release spray gun module is designed to achieve full automation of the magnetic powder flaw detection process for parts. A servo motor-driven transmission line and an adjustable cylinder clamping mechanism are used, along with a magnetic powder recovery tank and a vibrating screening device.
It achieves efficient continuous operation, increases production capacity by more than 3 times, improves coating uniformity, achieves magnetic powder recycling rate of 85%, reduces environmental pollution, adapts to different parts testing needs, and is easy to maintain.
Smart Images

Figure CN224423206U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of magnetic powder jetting production line technology, and in particular to a magnetic powder jetting production line for parts. Background Technology
[0002] Traditional magnetic particle testing mainly relies on manual operation of spray guns for magnetic powder coating, resulting in low efficiency, poor uniformity, and significant magnetic powder waste. Existing automated equipment mostly uses fixed nozzles, which are difficult to adapt to the multi-angle spraying requirements of complex parts, and the imperfect magnetic powder recovery system leads to environmental pollution. This solution integrates an adjustable cylinder clamping mechanism and a multi-degree-of-freedom robotic arm, along with a closed-loop magnetic powder recovery system, to achieve full automation of the magnetic particle testing process for parts. The specially designed quick-release spray gun module can quickly switch between different nozzle specifications to meet the inspection needs of precision parts in aerospace, automotive, and other industries. Utility Model Content
[0003] To overcome the shortcomings of existing technologies, this invention provides a magnetic powder jetting production line for parts.
[0004] The technical solution adopted by this utility model to solve its technical problem is: a magnetic powder spraying production line for parts, characterized in that it includes a spraying chamber and a transmission line passing through the spraying chamber; several sets of part fixing mechanisms are spaced apart on the transmission line; a spraying robot arm cooperating with the transmission line is installed in the spraying chamber; the part fixing mechanism includes a mounting plate, a housing, a rodless cylinder, and a cylinder clamp; several sets of housings are evenly distributed along the transmission direction on the mounting plate, and a rodless cylinder is embedded in each set of housings, the slider of the rodless cylinder being slidably connected to the housing guide groove through the cylinder seat; two adjustable cylinder clamps are symmetrically installed on each set of cylinder seats, and the working end of the cylinder clamp is provided with an anti-slip rubber pad; the spraying chamber includes a chamber body, a lifting operating platform is provided in the central area of the chamber body, through channels for the transmission line to pass through are opened on both side walls, and universal casters with brakes are provided at the four corners of the bottom; the lifting... The lowering operating platform is equipped with a movable slide rail, and the spraying robot forms a sliding pair with the slide rail via a slider. The spraying robot includes a base, a first rotation mechanism, a pitch mechanism, a telescopic mechanism, and a second rotation mechanism. The base is fixed on the slider and sequentially connected to the first rotation mechanism, the pitch mechanism, the telescopic mechanism, and the second rotation mechanism. The second rotation mechanism has a quick-release spray gun fixing module at its end. This module symmetrically fixes two sets of magnetic powder spray guns via a cross bracket. An angle adjustment knob is provided between the cross bracket and the spray gun fixing module. The transmission line includes a frame, a servo motor, a polyurethane transmission belt, a synchronous belt, a driving roller, and a driven roller. The servo motor is installed on the side of the frame and connected to the driving roller via a coupling. The driving roller and the driven roller are located at opposite ends of the frame and are driven by a synchronous belt. Both rollers are wrapped with a polyurethane transmission belt with anti-slip texture.
[0005] According to another embodiment of the present invention, the lifting operating platform is further provided with a scissor-type lifting mechanism at its bottom, the lifting stroke being 300-500mm; the movable slide rail surface is provided with a scale, and the slide rail ends are provided with limit blocks.
[0006] According to another embodiment of the present invention, the quick-release spray gun fixing module further includes a mounting flange and a quick-release connector. The mounting flange is connected to the rotating mechanism II by bolts, and the quick-release connector adopts a snap-fit structure to achieve quick assembly and disassembly with the cross bracket.
[0007] According to another embodiment of the present invention, the body body is provided with an observation window and an LED lighting module on its side, and a photoelectric sensor corresponding to the through channel is provided on the side wall. The sensor is connected to the servo motor control terminal signal.
[0008] According to another embodiment of the present invention, the frame is further provided with a magnetic powder recovery tank at the bottom, the recovery tank is connected to a vibrating screening device through a guide pipe, and the discharge port of the vibrating screening device is connected to a storage silo through a screw conveyor.
[0009] The beneficial effects of this utility model are as follows: 1. High-efficiency continuous operation: The transmission line adopts a servo motor-driven polyurethane anti-slip transmission belt, which, together with the spaced parts fixing mechanism, realizes continuous parts transportation and precise positioning, increasing production capacity by more than 3 times; the spraying robot can cover the 360° surface of the parts through the linkage of slide rail movement, rotation and pitch mechanism, and the single spraying time is shortened to within 20 seconds.
[0010] 2. Precise spray control: The adjustable cylinder clamp is equipped with anti-slip rubber pads, and the clamping distance can be adjusted by the rodless cylinder to accommodate parts with a diameter of 10-200mm; the spray gun module adopts a symmetrical layout of cross brackets, and with the angle adjustment knob, the spray angle can be finely adjusted from 0-90° to ensure uniform spraying of complex structures.
[0011] 3. Resource conservation and environmental protection: The magnetic powder recycling tank is equipped with a vibrating screen and a screw conveyor to achieve a magnetic powder recycling rate of over 85%; the enclosed spraying chamber integrates LED lighting and an observation window to reduce magnetic powder leakage and improve the working environment.
[0012] 4. Flexible and expandable: The lifting operating table supports a stroke adjustment of 300-500mm to adapt to the inspection needs of parts of different heights; the quick-release spray gun module can be replaced within 10 seconds through a snap-fit structure, which is convenient for maintenance or switching of spraying processes. Attached Figure Description
[0013] The present invention will be further described below with reference to the accompanying drawings and embodiments.
[0014] Figure 1This is a schematic diagram of the structure of this utility model;
[0015] Figure 2 This is a top view of the transmission line;
[0016] Figure 3 This is a schematic diagram of the part fixing mechanism;
[0017] Figure 4 This is a side sectional view of the jet chamber;
[0018] Figure 5 This is a schematic diagram of the jet-powered robotic arm.
[0019] In the diagram: 1. Spraying chamber; 1-1. Chamber body; 1-1-1. Observation window; 1-1-2. LED lighting module; 1-2. Lifting operating platform; 1-2-1. Slide rail; 1-2-1-1. Scale; 1-2-1-2. Limit block; 1-2-2. Scissor lift mechanism; 1-3. Through passage; 1-3-1. Photoelectric sensor; 1-4. Casters; 2. Transmission line; 2-1. Frame; 2-1-1. Magnetic powder recovery tank; 2-1-1-1. Guide pipe; 2-1-1-2. Vibrating screening device; 2-1-1-3. Screw conveyor; 2-1-1-4. Storage silo; 2-2. Servo motor; 2-3. Polyurethane... 1. Ester conveyor belt; 2.4. Synchronous belt; 2.5. Driven roller; 2.6. Driven roller; 3. Parts fixing mechanism; 3.1. Mounting plate; 3.2. Housing; 3.3. Rodless cylinder; 3.3.1. Cylinder seat; 3.4. Cylinder clamp; 4. Spraying robot; 4.1. Slider; 4.2. Base; 4.3. Rotation mechanism one; 4.4. Pitch mechanism; 4.5. Telescopic mechanism; 4.6. Rotation mechanism two; 4.7. Spray gun fixing module; 4.7.1. Cross bracket; 4.7.2. Magnetic powder spray gun; 4.7.3. Angle adjustment knob; 4.7.4. Mounting flange; 4.7.5. Quick-release connector; 4.7.5.1. Snap-fit structure. Detailed Implementation
[0020] like Figure 1This is a schematic diagram of the structure of this utility model, a magnetic powder spraying production line for parts, characterized by including a spraying chamber 1 and a transmission line 2 penetrating the spraying chamber 1; several sets of part fixing mechanisms 3 are spaced apart on the transmission line 2; a spraying robot 4 cooperating with the transmission line 2 is installed inside the spraying chamber 1; the part fixing mechanism 3 includes a mounting plate 3-1, a housing 3-2, a rodless cylinder 3-3, and a cylinder clamp 3-4; several sets of housings 3-2 are evenly distributed along the transmission direction on the mounting plate 3-1, and a rodless cylinder 3-3 is embedded in each set of housings 3-2. The slider is slidably connected to the guide groove of the housing 3-2 via the cylinder seat 3-3-1; two adjustable cylinder clamps 3-4 are symmetrically installed on each set of cylinder seats 3-3-1, and the working end of the cylinder clamp 3-4 is provided with an anti-slip rubber pad; the spray chamber 1 includes a chamber body 1-1, the central area of the chamber body 1-1 is provided with a lifting operating platform 1-2, the side walls are provided with through channels 1-3 for the transmission line 2 to pass through, and the bottom four corners are provided with universal wheels 1-4 with brakes; the lifting operating platform 1-2 is equipped with a movable slide rail 1-2-1, and the spray mechanism The manipulator 4 is connected to the slide rail 1-2-1 via a slider 4-1 to form a sliding pair. The spraying manipulator 4 includes a base 4-2, a first rotating mechanism 4-3, a pitching mechanism 4-4, a telescopic mechanism 4-5, and a second rotating mechanism 4-6. The base 4-2 is fixed to the slider 4-1 and sequentially connects the first rotating mechanism 4-3, the pitching mechanism 4-4, the telescopic mechanism 4-5, and the second rotating mechanism 4-6. The second rotating mechanism 4-6 has a quick-release spray gun fixing module 4-7 at its end. This module symmetrically fixes two sets of magnetic powder spray guns 4-7-2 via a cross bracket 4-7-1. An angle adjustment knob 4-7-3 is provided between the bracket 4-7-1 and the spray gun fixing module 4-7; the transmission line 2 includes a frame 2-1, a servo motor 2-2, a polyurethane transmission belt 2-3, a synchronous belt 2-4, a drive roller 2-5, and a driven roller 2-6; the servo motor 2-2 is installed on the side of the frame 2-1 and is connected to the drive roller 2-5 through a coupling. The drive roller 2-5 and the driven roller 2-6 are respectively located at both ends of the frame 2-1, and the two are driven by the synchronous belt 2-4. The surfaces of both are wrapped with a polyurethane transmission belt 2-3 with anti-slip texture.
[0021] Specifically, the main body 1-1 encloses the working space, isolating it from the external environment, preventing magnetic powder from scattering, reducing environmental pollution, and improving operational safety; the lifting operating platform 1-2 carries the spraying robot, allowing for height adjustment from 300-500mm to accommodate parts of different sizes; the movable slide rail 1-2-1 guides the robot's movement, with a scale 1-2-1-1 assisting in positioning and a limit stop 1-2-1-2 preventing derailment; the through channel 1-3, with its transmission line inlet and outlet interfaces linked to the photoelectric sensor 1-3-1, controls the start and stop of transmission, ensuring precise placement of parts at the spraying station; the braked casters 1-4 enable movement and fixation of the entire machine, allowing for pushing when unlocked and providing stable support when braked, enhancing the flexibility of the production line layout; the servo motor 2-2 serves as the power source, driving the drive roller 2-5 via a coupling to achieve precise control of transmission speed; the polyurethane conveyor belt 2-3 carries the movement of parts, with anti-slip textures on the surface increasing friction and ensuring conveying stability; the synchronous belt 2-4... Used for power transmission, connecting the driving roller 2-5 and the driven roller 2-6 to ensure synchronous transmission; the housing 3-2 has a built-in guide groove to constrain the movement trajectory of the rodless cylinder 3-3, ensuring the linear motion accuracy of the clamping mechanism; the rodless cylinder 3-3 drives the clamping device to slide the cylinder seat 3-3-1 within the housing via a slider, achieving a 10-200mm wide-range adaptive adjustment; the cylinder clamp 3-4 clamps the parts, and the jaws, in conjunction with anti-slip rubber pads, prevent the parts from rotating / falling off, absorb vibration, protect the surface of the parts, and avoid... The rotating mechanism 4-3 moves horizontally, providing ±180° rotational freedom to cover the entire circumferential angle of the part for spraying; the pitch mechanism 4-4 adjusts the vertical angle to achieve ±45° tilt adjustment, solving the blind spot for spraying deep holes / grooves; the telescopic mechanism 4-5 controls the radial distance, pushing the spray gun module forward and backward to maintain an optimal spraying distance of 5-20mm; the quick-release spray gun module 4-7 is a spray gun mounting platform, symmetrically fixing the dual spray guns 4-7-2 through the cross bracket 4-7-1.
[0022] According to another embodiment of the present invention, the lifting operating platform 1-2 is provided with a scissor-type lifting mechanism 1-2-2 at the bottom, with a lifting stroke of 300-500mm; the movable slide rail 1-2-1 is provided with a scale 1-2-1-1 on its surface, and the slide rail 1-2-1 is provided with limit blocks 1-2-1-2 at both ends.
[0023] According to another embodiment of the present invention, the quick-release spray gun fixing module 4-7 further includes a mounting flange 4-7-4 and a quick-release connector 4-7-5. The mounting flange 4-7-4 is connected to the rotating mechanism 4-6 by bolts. The quick-release connector 4-7-5 adopts a snap-fit structure 4-7-5-1 to achieve quick assembly and disassembly with the cross bracket 4-7-1.
[0024] According to another embodiment of the present invention, the body body 1-1 is further provided with an observation window 1-1-1 and an LED lighting module 1-1-2 on the side, and a photoelectric sensor 1-3-1 corresponding to the through channel 1-3 is provided on the side wall. The sensor is connected to the control terminal of the servo motor 2-2.
[0025] Specifically, the photoelectric sensor 1-3-1 is used for position detection, triggering a pause signal on the transmission line 2, with a positioning error ≤1mm; the LED lighting module 1-1-2 is used for supplemental lighting inside the warehouse, supporting the operation of the visual inspection system; the observation window 1-1-1 is a work monitoring window that supports external observation and real-time monitoring of the spraying quality.
[0026] According to another embodiment of the present invention, the frame 2-1 is further provided with a magnetic powder recovery tank 2-1-1 at the bottom. The recovery tank is connected to a vibrating screening device 2-1-1-2 through a guide pipe 2-1-1-1. The discharge port of the vibrating screening device 2-1-1-2 is connected to a storage bin 2-1-1-4 through a screw conveyor 2-1-1-3.
[0027] Specifically, the magnetic powder recovery tank 2-1-1 collects splashed magnetic powder and connects to the vibrating screen device 2-1-1-2 through the guide pipe 2-1-1-1 to form a closed-loop recovery system; the screw conveyor 2-1-1-3 circulates the magnetic powder and sends the filtered magnetic powder back to the storage bin 2-1-1-4 to reduce consumable costs.
[0028] The specific operation process is as follows: Activate the LED lighting module 1-1-2 on top of the main body 1-1, and check the magnetic powder inventory in the storage bin 2-1-1-4. Set the speed of the servo motor 2-2 on the transmission line 2, the motion trajectory parameters of the spraying robot 4, and the pressure value of the magnetic powder spray gun 4-7-2. Place the part in the rodless cylinder 3-3 station within the housing 3-2. The cylinder clamp 3-4 automatically locks the part in place using anti-slip rubber pads. The servo motor 2-2 drives the polyurethane conveyor belt 2-3, and the part enters the spraying bin 1 through the through channel 1-3. The photoelectric sensor 1-3-1 detects the part in position and pauses the transmission line 2. The lifting operating platform 1-2 adjusts its height travel using the scissor-type lifting mechanism 1-2-2. The spraying robot 4 moves along the movable slide rail 1-2-1 to assist in positioning using the scale 1-2-1-1. The rotating mechanism 4-3 drives horizontal rotation, the pitch mechanism 4-4 adjusts the tilt angle, the telescopic mechanism 4-5 controls the spray gun distance, and the dual magnetic powder spray guns 4-7-2 on the quick-release spray gun fixing module 4-7 at the end of the rotating mechanism 4-6 spray synchronously. The angle adjustment knob 4-7-3 optimizes coverage. The splashed magnetic powder is guided to the magnetic powder recovery tank 2-1-1 by the polyurethane conveyor belt 2-3 with anti-slip texture. After filtration by the vibrating screening device 2-1-1-2, the screw conveyor 2-1-1-3 sends the magnetic powder back to the storage silo 2-1-1-4. When the part is removed from the spray chamber 1, the cylinder clamp 3-4 automatically releases.
[0029] The above description is illustrative only and not restrictive of this utility model. Those skilled in the art will understand that many modifications, variations or equivalents can be made without departing from the spirit and scope defined by the appended claims, and all such modifications, variations or equivalents will fall within the protection scope of this utility model.
Claims
1. A magnetic powder spraying production line for parts, characterized in that, The system includes a spray chamber (1) and a transmission line (2) that passes through the spray chamber (1); several sets of part fixing mechanisms (3) are spaced apart on the transmission line (2); a spraying robot (4) that cooperates with the transmission line (2) is installed inside the spray chamber (1); the part fixing mechanism (3) includes a mounting plate (3-1), a housing (3-2), a rodless cylinder (3-3), and a cylinder clamp (3-4); several sets of housings (3-2) are evenly distributed on the mounting plate (3-1) along the transmission direction, and a rodless cylinder (3-3) is embedded in each set of housings (3-2). The slider of the rodless cylinder (3-3) is slidably connected to the housing through the cylinder seat (3-3-1). The shell (3-2) has a guide groove; two adjustable cylinder clamps (3-4) are symmetrically installed on each set of cylinder seats (3-3-1), and the working end of the cylinder clamp (3-4) is provided with an anti-slip rubber pad; the injection chamber (1) includes a chamber body (1-1), the central area of the chamber body (1-1) is provided with a lifting operating platform (1-2), the two side walls are provided with through channels (1-3) for the transmission line (2) to pass through, and the bottom four corners are provided with universal wheels (1-4) with brakes; the lifting operating platform (1-2) is equipped with a movable slide rail (1-2-1), and the injection robot (4) is connected to the slide rail (1-2-1) by the slider (4-1). -1) Forming a sliding pair; The spraying robot (4) includes a base (4-2), a rotating mechanism one (4-3), a pitching mechanism (4-4), a telescopic mechanism (4-5), and a rotating mechanism two (4-6); The base (4-2) is fixed on the slider (4-1), and the rotating mechanism one (4-3), the pitching mechanism (4-4), the telescopic mechanism (4-5), and the rotating mechanism two (4-6) are connected in sequence; The rotating mechanism two (4-6) is provided with a quick-release spray gun fixing module (4-7) at its end, which symmetrically fixes two sets of magnetic powder spray guns (4-7-2) through a cross bracket (4-7-1), the cross bracket (4-7-1) An angle adjustment knob (4-7-3) is provided between the spray gun fixing module (4-7); the transmission line (2) includes a frame (2-1), a servo motor (2-2), a polyurethane transmission belt (2-3), a synchronous belt (2-4), a drive roller (2-5), and a driven roller (2-6); the servo motor (2-2) is installed on the side of the frame (2-1), and is connected to the drive roller (2-5) through a coupling. The drive roller (2-5) and the driven roller (2-6) are located at both ends of the frame (2-1), and are driven by the synchronous belt (2-4). The surfaces of the two are wrapped with a polyurethane transmission belt (2-3) with anti-slip texture.
2. The magnetic powder jetting production line according to claim 1, characterized in that, The bottom of the lifting operating platform (1-2) is equipped with a scissor lifting mechanism (1-2-2) with a lifting stroke of 300-500mm; the surface of the movable slide rail (1-2-1) is equipped with a scale (1-2-1-1), and the two ends of the slide rail (1-2-1) are equipped with limit blocks (1-2-1-2).
3. The magnetic powder jetting production line according to claim 1, characterized in that, The quick-release spray gun fixing module (4-7) includes a mounting flange (4-7-4) and a quick-release connector (4-7-5). The mounting flange (4-7-4) is connected to the rotating mechanism (4-6) by bolts. The quick-release connector (4-7-5) adopts a snap-fit structure (4-7-5-1) to achieve quick assembly and disassembly with the cross bracket (4-7-1).
4. The magnetic powder jetting production line according to claim 1, characterized in that, The side of the main body of the silo (1-1) is provided with an observation window (1-1-1) and an LED lighting module (1-1-2). The side wall is provided with a photoelectric sensor (1-3-1) corresponding to the through channel (1-3). The sensor is connected to the control terminal of the servo motor (2-2).
5. The magnetic powder jetting production line according to claim 1, characterized in that, The bottom of the frame (2-1) is provided with a magnetic powder recovery tank (2-1-1), which is connected to a vibrating screening device (2-1-1-2) through a guide pipe (2-1-1-1). The discharge port of the vibrating screening device (2-1-1-2) is connected to a storage bin (2-1-1-4) through a screw conveyor (2-1-1-3).