Special fluorescent magnetic powder flaw detection mechanism for crankshaft
By improving the design of the fixing and spraying components, the problems of unclean spray liquid collection, non-adjustable detection structure and uneven magnetic powder in the crankshaft-specific fluorescent magnetic particle flaw detection mechanism have been solved, thus achieving the stability of detection and the convenience of loading and unloading.
Patent Information
- Application Number
- CN202520775180.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-23
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2035-04-23
AI Technical Summary
Existing crankshaft-specific fluorescent magnetic particle flaw detection mechanisms suffer from poor cleanliness in the collection and diversion of spray liquid, and the fixed area of the detection structure is not adjustable, leading to inconvenience in loading and unloading operations. In addition, the magnetic powder is uneven when the electrode clamps fix the crankshaft, resulting in unstable detection.
A detection mechanism was designed, comprising a chassis, a fixing component, a magnetizing component, a support component, and a spraying component. The crankshaft is securely fixed through the cooperation of an electric push rod and a turntable, and the crankshaft surface is uniformly sprayed by the spraying component to ensure uniform adsorption of magnetic powder.
It improves the cleanliness of spray liquid collection and diversion, enables flexible adjustment of the detection structure, facilitates loading and unloading operations, and ensures the stability and uniformity of detection, thus avoiding detection errors.
Smart Images

Figure CN223926347U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to fluorescent magnetic particle flaw detection technical field especially relates to a special fluorescent magnetic particle flaw detection mechanism of crankshaft. BACKGROUND
[0002] The existing fluorescent magnetic particle flaw detection mechanism when using, the cleanliness of spray liquid collection and flow guide is not good, simultaneously, the fixed installation of detection structure on the rack makes the fixed region unadjustable, and brings the inconvenience to the feeding and discharging operation.
[0003] The existing announcement number CN212134565U discloses a kind of special fluorescent magnetic particle flaw detection mechanism of crankshaft, including cabinet, and the bottom four around edge positions of cabinet are all fixedly installed with cushion block, and the top of cabinet is provided with recess, and the inner wall top of cabinet both sides edge position is all welded with guide plate, and the inner wall top of cabinet middle position is welded with and recess corresponding conical hopper, and the bottom of conical hopper is fixedly installed with liquid collecting pipe, and the top position of both sides inner wall of cabinet is all vertically welded with two groups of guide posts, and the upper surface position between adjacent two groups of guide posts is provided with sliding block;The fluorescent magnetic particle flaw detection mechanism is equipped with spray liquid collection structure to improve the cleanliness of spray liquid collection and flow guide, simultaneously, the fixed installation of detection structure on the rack makes the fixed region adjustable, to facilitate feeding and discharging operation and the flexibility of detection structure horizontal adjustment is high.
[0004] But, the special fluorescent magnetic particle flaw detection mechanism of crankshaft when using, through the electrode chuck of both sides to the crankshaft is fixed, it is inconvenient to evenly absorb magnetic powder on the surface of crankshaft, and it is easy to cause detection to have instability. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a kind of special fluorescent magnetic particle flaw detection mechanism of crankshaft, solve the special fluorescent magnetic particle flaw detection mechanism of crankshaft when using, through the electrode chuck of both sides to the crankshaft is fixed, it is inconvenient to evenly absorb magnetic powder on the surface of crankshaft, and it is easy to cause detection to have instability problem.
[0006] To achieve the above-mentioned purpose, the utility model provides a kind of special fluorescent magnetic particle flaw detection mechanism of crankshaft, including machine case, fixed component, magnetization component, support component and spray component;The fixed component includes electric push rod, carousel, motor, shaft and fixed disc, the electric push rod is fixedly connected with the machine case, and passes through the machine case, the carousel is fixedly connected with the electric push rod, and is located in the inside of the machine case, the motor is fixedly connected with the machine case, and is located on the outside of the machine case, the shaft is connected with the motor, and passes through the machine case, the fixed disc is fixedly connected with the shaft, and is located in the inside of the machine case, the magnetization component is connected with the carousel, the support component is connected with the machine case, and the spray component is connected with the support component.
[0007] The magnetizing assembly comprises rotating seats and rotating pins, the number of the rotating seats is two, the two rotating seats are fixedly connected with the rotating disc and the fixed disc respectively and are located outside the rotating disc and the fixed disc respectively, and the number of the rotating pins is two, the two rotating pins are rotatably connected with the rotating seats respectively and pass through the rotating seats respectively.
[0008] The magnetizing assembly further comprises telescopic rods and electrode heads, the number of the telescopic rods is two, the two telescopic rods are rotatably connected with the rotating pins respectively and are located outside the rotating pins respectively, and the number of the electrode heads is two, the two electrode heads are connected with the telescopic rods respectively and are located at the top of the electrode heads respectively.
[0009] The supporting assembly comprises supporting plates and supporting seats, the number of the supporting plates is two, the two supporting plates are fixedly connected with the case respectively and are located outside the case respectively, and the number of the supporting seats is multiple, the multiple supporting seats are fixedly connected with the supporting plates respectively and are located at the bottom of the supporting plates respectively.
[0010] The spraying assembly comprises a hinge, a spraying frame and spraying plates, the hinge is fixedly connected with the supporting plate and is located outside the supporting plate, the spraying frame is fixedly connected with the hinge and is located at the top of the case, and the number of the spraying plates is two, the two spraying plates are fixedly connected with the spraying frame respectively and are located at two sides of the spraying frame respectively.
[0011] The spraying assembly further comprises a spraying pump, a spraying pipe and a liquid suction pipe, the spraying pump is fixedly connected with the supporting plate and is located outside the supporting plate, the spraying pipe is fixedly connected with the spraying pump and passes through the spraying frame, and the liquid suction pipe is fixedly connected with the spraying pump and passes through the case.
[0012] The spraying assembly further comprises a liquid distribution pipe and spray heads, the liquid distribution pipe is fixedly connected with the spraying pipe and passes through the spraying plate, and the number of the spray heads is multiple, the multiple spray heads are fixedly connected with the liquid distribution pipe respectively and are located at the bottom of the liquid distribution pipe respectively.
[0013] This utility model discloses a crankshaft-specific fluorescent magnetic particle flaw detection mechanism. The housing stores the spraying liquid and provides support for the device. The electric actuator powers the turntable, which, along with the fixed plate, secures the crankshaft. The motor powers the rotating shaft, which in turn provides support and transmission to the fixed shaft. In use, the crankshaft is placed between the turntable and the fixed plate. The electric actuator extends, pushing the turntable and fixed plate to clamp the crankshaft in the middle, facilitating its fixation. After magnetization, the motor rotates, driving the rotating shaft, the fixed plate, the turntable, and the crankshaft in the middle to rotate simultaneously. During rotation, the spraying assembly sprays the surface of the crankshaft, ensuring uniform spraying and avoiding errors. This solves the problem that traditional crankshaft-specific fluorescent magnetic particle flaw detection mechanisms, which use electrode clamps on both sides to fix the crankshaft, make it difficult to evenly attract magnetic powder onto the crankshaft surface, leading to instability in the detection process. Attached Figure Description
[0014] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the accompanying drawings used in the description of the embodiments or the prior art will be briefly introduced below.
[0015] Fig. 1 This is a schematic diagram of the overall structure of the crankshaft-specific fluorescent magnetic particle flaw detection mechanism according to the first embodiment of this utility model.
[0016] Fig. 2 This is a schematic diagram of the fixing component and the magnetizing component of the first embodiment of this utility model.
[0017] Fig. 3 This is a schematic diagram of the structure of the spray assembly according to the first embodiment of this utility model.
[0018] In the diagram: 101-Chassis, 102-Electric actuator, 103-Turntable, 104-Motor, 105-Shaft, 106-Fixed disc, 107-Rotating seat, 108-Rotating pin, 109-Telescopic rod, 110-Electrode head, 111-Support plate, 112-Support base, 113-Hinge, 114-Spray frame, 115-Spray plate, 116-Spray pump, 117-Spray pipe, 118-Liquid extraction pipe, 119-Liquid distribution pipe, 120-Spray head. Detailed Implementation
[0019] The embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, but should not be construed as limiting the present invention.
[0020] The first embodiment of this application is as follows:
[0021] Please see Figs. 1 to 3 ,in, Fig. 1 This is a schematic diagram of the overall structure of the crankshaft-specific fluorescent magnetic particle flaw detection mechanism according to the first embodiment of this utility model. Fig. 2 This is a schematic diagram of the fixing component and the magnetizing component according to the first embodiment of this utility model. Fig. 3 This is a schematic diagram of the spray assembly of the first embodiment of the present invention. The present invention provides a crankshaft-specific fluorescent magnetic particle flaw detection mechanism, including a housing 101, a fixing assembly, a magnetizing assembly, a support assembly, and a spray assembly. The fixing assembly includes an electric push rod 102, a turntable 103, a motor 104, a rotating shaft 105, and a fixed plate 106. The magnetizing assembly includes a rotating seat 107, a rotating pin 108, a telescopic rod 109, and an electrode head 110. The support assembly includes a support plate 111 and a support base 112. The spray assembly includes a hinge 113, a spray frame 114, a spray plate 115, a spray pump 116, a spray pipe 117, a liquid extraction pipe 118, a liquid distribution pipe 119, and a nozzle 120. The aforementioned solution solves the problem that when the crankshaft-specific fluorescent magnetic particle flaw detection mechanism is used, fixing the crankshaft with electrode clamps on both sides makes it difficult to evenly attract magnetic powder onto the surface of the crankshaft, which easily leads to instability in the detection.
[0022] In this specific embodiment, the electric actuator 102 is fixedly connected to the housing 101 and passes through the housing 101; the turntable 103 is fixedly connected to the electric actuator 102 and is located inside the housing 101; the motor 104 is fixedly connected to the housing 101 and is located outside the housing 101; the rotating shaft 105 is connected to the motor 104 and passes through the housing 101; the fixed plate 106 is fixedly connected to the rotating shaft 105 and is located inside the housing 101; the magnetizing assembly is connected to the turntable 103; the support assembly is connected to the housing 101; and the spraying assembly is connected to the support assembly. The housing 101 is used to store the spraying liquid and provide support for the device. The electric actuator 102 is the... The turntable 103 provides power, and the turntable 103 and the fixed plate 106 are used to fix the crankshaft. The motor 104 provides power to the rotating shaft 105, and the rotating shaft 105 provides support and transmission for the fixed shaft. In use, the crankshaft is placed between the turntable 103 and the fixed plate 106, and the electric push rod 102 is controlled to extend, pushing the turntable 103 and the fixed plate 106 to clamp the crankshaft in the middle, which facilitates the fixing of the crankshaft. After magnetization is completed, the motor 104 rotates, driving the rotating shaft 105 to rotate, and at the same time driving the fixed plate 106, the turntable 103 and the crankshaft in the middle to rotate. While rotating, the surface of the crankshaft is sprayed by the spray assembly, which facilitates uniform spraying of the surface of the crankshaft and avoids errors.
[0023] The rotating base 107 comprises two units, which are fixedly connected to the turntable 103 and the fixed disk 106 respectively, and are located on the outer side of the turntable 103 and the fixed disk 106 respectively. The rotating pin 108 comprises two units, which are rotatably connected to the rotating base 107 respectively and pass through the rotating base 107 respectively. The rotating base 107 provides support for the magnetizing assembly. A torsion spring is provided between the rotating pin 108 and the rotating base 107 to facilitate the reset of the rotating pin 108.
[0024] The device includes two telescopic rods 109, each rotatably connected to a rotating pin 108 and located on the outside of the pin. It also includes two electrode heads 110, each connected to a telescopic rod 109 and located on top of the electrode head 110. The telescopic rods 109 provide support for the electrode heads 110, which are connected to an external power source for magnetizing the crankshaft.
[0025] The device comprises two support plates 111, which are fixedly connected to the chassis 101 and located on the outside of the chassis 101. It also comprises multiple support bases 112, which are fixedly connected to the support plates 111 and located at the bottom of the support plates 111. The support plates 111 and the support bases 112 provide support for the chassis 101 and the entire device.
[0026] Secondly, the hinge 113 is fixedly connected to the support plate 111 and is located on the outside of the support plate 111. The spray frame 114 is fixedly connected to the hinge 113 and is located on the top of the housing 101. There are two spray plates 115, which are fixedly connected to the spray frame 114 and are located on both sides of the spray frame 114. The hinge 113 provides rotation for the spray frame 114, and the spray frame 114 provides support for the spray plates 115 and the liquid distribution pipe 119.
[0027] Furthermore, the spray pump 116 is fixedly connected to the support plate 111 and located outside the support plate 111. The spray pipe 117 is fixedly connected to the spray pump 116 and passes through the spray frame 114. The liquid extraction pipe 118 is fixedly connected to the spray pump 116 and passes through the housing 101. The spray pump 116 can easily extract the spray liquid in the housing 101 through the liquid extraction pipe 118. The spray pipe 117 is used to guide the spray liquid.
[0028] Finally, the liquid distribution pipe 119 is fixedly connected to the spray pipe 117 and passes through the spray plate 115. There are multiple nozzles 120, each fixedly connected to the liquid distribution pipe 119 and located at the bottom of the liquid distribution pipe 119. The liquid distribution pipe 119 provides support for the nozzles 120. The nozzles 120 are used to spray liquid onto the crankshaft. After the crankshaft is fixed, the spray frame 114 is rotated along the hinge 113 to cover the top of the chassis 101. The spray pump 116 pumps the spray liquid containing magnetic powder from the chassis 101 into the liquid distribution pipe 119 through the spray pipe 117 and the extraction pipe 118, and then sprays it out through the nozzles 120 to facilitate the spraying of magnetic powder onto the crankshaft.
[0029] Using the crankshaft-specific fluorescent magnetic particle flaw detection mechanism of this embodiment, the housing 101 stores the spraying liquid and provides support for the device. The electric actuator 102 provides power to the turntable 103. The turntable 103 and the fixed plate 106 are used to fix the crankshaft. The motor 104 provides power to the rotating shaft 105. The rotating shaft 105 provides support and transmission for the fixed shaft. In use, the crankshaft is placed between the turntable 103 and the fixed plate 106, and the electric actuator 102 is extended to push the turntable 103 and the fixed plate. The crankshaft is clamped in the middle by 106 for easy fixation. After magnetization, the motor 104 rotates, driving the rotating shaft 105 to rotate, and simultaneously driving the fixed plate 106, the rotating plate 103, and the crankshaft in the middle to rotate. During rotation, the surface of the crankshaft is sprayed by the spray assembly, which facilitates uniform spraying of the crankshaft surface and avoids errors. This solves the problem that when using a dedicated fluorescent magnetic particle flaw detection mechanism for crankshafts, the crankshaft is fixed by electrode clamps on both sides, which makes it difficult to evenly attract magnetic powder onto the surface of the crankshaft and easily leads to instability in the detection.
[0030] The above-disclosed embodiments are merely one or more preferred embodiments of this application and should not be construed as limiting the scope of this application. Those skilled in the art can understand that all or part of the processes for implementing the above embodiments and equivalent changes made in accordance with the claims of this application still fall within the scope of this application.
Claims
1. A crankshaft-specific fluorescent magnetic particle flaw detection mechanism, comprising a chassis, characterized in that, It also includes fixing components, magnetizing components, support components, and spraying components; The fixing assembly includes an electric actuator, a turntable, a motor, a rotating shaft, and a fixed plate. The electric actuator is fixedly connected to the chassis and passes through the chassis. The turntable is fixedly connected to the electric actuator and is located inside the chassis. The motor is fixedly connected to the chassis and is located outside the chassis. The rotating shaft is connected to the motor and passes through the chassis. The fixed plate is fixedly connected to the rotating shaft and is located inside the chassis. The magnetizing assembly is connected to the turntable. The support assembly is connected to the chassis, and the spraying assembly is connected to the support assembly.
2. The crankshaft-specific fluorescent magnetic particle flaw detection mechanism as described in claim 1, characterized in that, The magnetizing assembly includes a rotating base and rotating pins. There are two rotating bases, which are fixedly connected to the turntable and the fixed plate, respectively, and are located on the outside of the turntable and the fixed plate. There are two rotating pins, which are rotatably connected to the rotating bases and pass through the rotating bases.
3. The crankshaft-specific fluorescent magnetic particle flaw detection mechanism as described in claim 2, characterized in that, The magnetizing assembly also includes telescopic rods and electrode heads. There are two telescopic rods, which are rotatably connected to the rotating pin and located on the outside of the rotating pin. There are also two electrode heads, which are connected to the telescopic rods and located on the top of the electrode heads.
4. The crankshaft-specific fluorescent magnetic particle flaw detection mechanism as described in claim 1, characterized in that, The support assembly includes a support plate and a support base. There are two support plates, which are fixedly connected to the chassis and located on the outside of the chassis. There are multiple support bases, which are fixedly connected to the support plates and located at the bottom of the support plates.
5. The crankshaft-specific fluorescent magnetic particle flaw detection mechanism as described in claim 4, characterized in that, The spray assembly includes a hinge, a spray frame, and spray plates. The hinge is fixedly connected to the support plate and is located on the outside of the support plate. The spray frame is fixedly connected to the hinge and is located on the top of the chassis. There are two spray plates, which are fixedly connected to the spray frame and located on opposite sides of the spray frame.
6. The crankshaft-specific fluorescent magnetic particle flaw detection mechanism as described in claim 5, characterized in that, The spray assembly also includes a spray pump, a spray pipe, and a liquid extraction pipe. The spray pump is fixedly connected to the support plate and is located outside the support plate. The spray pipe is fixedly connected to the spray pump and passes through the spray frame. The liquid extraction pipe is fixedly connected to the spray pump and passes through the chassis.
7. The crankshaft-specific fluorescent magnetic particle flaw detection mechanism as described in claim 6, characterized in that, The spray assembly also includes a distribution pipe and spray nozzles. The distribution pipe is fixedly connected to the spray pipe and passes through the spray plate. There are multiple spray nozzles, each fixedly connected to the distribution pipe and located at the bottom of the distribution pipe.
Citation Information
Patent Citations
Special fluorescent magnetic powder flaw detection mechanism for crankshafts
CN212134565U