A multi-station rapid detection and sorting device for supercharger sealing rings

Abstract

The application relates to the technical field of multi-station detection, and more specifically discloses a multi-station rapid detection and sorting device for a sealing ring of a supercharger. The self-adapting clamp and the material returning assembly are arranged, the detection process of two shafts is simplified, the automation of sleeve shaft and ring returning is realized through twice insertion of the first sub-shaft and the second sub-shaft, the installation difficulty of the sealing ring in the toughness experiment and the sealing experiment is greatly reduced, and the working efficiency of the production assembly line is improved.

Description

Technical Field

[0001] This invention relates to the field of multi-station testing technology, and more specifically to a multi-station rapid testing and sorting device for turbocharger sealing rings. Background Technology

[0002] As the core sealing element of a turbocharger system, the turbocharger sealing ring's quality and performance directly affect the turbocharging efficiency, fuel economy, and operational reliability of an internal combustion engine. According to the mechanical industry standard GB / T 25364.1-2010 and enterprise technical specifications, a qualified turbocharger sealing ring must simultaneously meet several key performance indicators: hardness must be controlled within the range of (49-58) HRC to ensure wear resistance; radial elasticity must be maintained between (7-13) N to ensure installation preload and sealing contact pressure; the free opening size must conform to specific tolerance zones (e.g., 1.2mm, 1.8mm, etc.); cleanliness requirements include a total particulate matter mass not exceeding 0.1mg and a maximum particle size less than 0.5mm; in addition, it must pass an axial performance test (e.g., successfully passing a Ø10mm standard shaft without adhesion or cracks) and a rigorous light transmittance test (e.g., specific areas at both ends of the opening are opaque, the total light transmittance does not exceed 15% of the circumference, and the maximum radial clearance is not greater than 0.013mm).

[0003] Currently, traditional testing methods mainly rely on manual, single-station sequential inspection. Operators must move the sealing rings one by one between different testing devices to complete tasks such as hardness measurement, elasticity testing, dimensional inspection, cleanliness assessment, and axiality testing. This discrete testing mode has the following significant drawbacks: First, the testing efficiency is extremely low, severely restricting production pace and failing to match the high-speed operation of modern automated production lines, becoming a bottleneck for capacity improvement. Second, the subjective judgment introduced by manual operation leads to poor consistency in test results; the judgment standards of different inspectors or different batches may deviate, affecting the accuracy of quality control. Third, during repeated manual clamping, handling, and testing, the sealing rings are highly susceptible to surface scratches, deformation, or secondary contamination due to contact and collisions. Especially for high-precision sealing surfaces, even minor damage can lead to seal failure during use. Summary of the Invention

[0004] In order to overcome the above-mentioned defects of the prior art, the present invention provides a multi-station rapid detection and sorting device for turbocharger sealing rings to solve the problems existing in the background art.

[0005] The present invention provides the following technical solution: a multi-station rapid detection and sorting device for turbocharger sealing rings, including a base plate, a rotating disk installed in the middle of the base plate, a drive motor installed at the bottom of the rotating disk, and multiple detection stations arranged around the rotating disk; multiple station slots are evenly distributed on the rotating disk, and an adaptive clamp is installed in each station slot for clamping the sealing ring body;

[0006] Furthermore, the adaptive fixture includes multiple clamping rods and hinge blocks. The clamping rods are hinged to the inner wall of the workstation slot via the hinge blocks. Placement slots are opened on the top of the clamping rods. Multiple placement slots together form a circular support structure that matches the outer diameter of the sealing ring.

[0007] Furthermore, the testing station includes a loading station, a toughness testing station, a sealing testing station, and a sorting and unloading station; the toughness testing station is provided with a first sub-shaft with a diameter of 10.3 mm; the sealing testing station is provided with a second sub-shaft with a diameter of 10.0 mm.

[0008] Furthermore, both the first and second sub-shafts have a tapered bottom structure, with the top diameter of the tapered shaft being the same as the diameter of the standard shaft and the bottom diameter being smaller than the inner diameter of the sealing ring.

[0009] Furthermore, the device also includes a light transmittance detection system consisting of a light source and a photosensitive plate, with the light source positioned below the detection station and the photosensitive plate positioned above the detection station.

[0010] Furthermore, the device also includes a material ejection assembly, which includes an ejection plate, an adjustable telescopic cover, and a telescopic spring. The ejection plate extends to a length that is controlled by adjusting the telescopic cover.

[0011] Furthermore, the device also includes a magnetic pole assembly, which includes a horizontal plate, a magnetic pole block, a compression spring, a one-way tooth, and a hinge hole. The clamping and releasing of the clamp are achieved by controlling the energization of the magnetic pole block.

[0012] Furthermore, the rotating disk is provided with a light-transmitting deformation groove, the position of which corresponds to the detection station.

[0013] A method for rapid multi-station detection and sorting of turbocharger sealing rings, using a rapid multi-station detection and sorting device for turbocharger sealing rings as described in claim 1, includes the following steps:

[0014] S1: Place the sealing ring body onto the adaptive fixture by rotating the placement rack and suction ring;

[0015] S2: The rotating disc delivers the sealing ring to each testing station;

[0016] S3: The first axis performs a toughness test on the sealing ring body, with a test time interval of seconds;

[0017] S4: The light source emits light for optical detection to determine the direction of cracks and openings;

[0018] S5: The second split shaft performs a sealing performance test on the sealing ring body;

[0019] S6: Automatically sort the sealing rings based on the test results.

[0020] The technical effects and advantages of this invention are as follows:

[0021] 1. The present invention simplifies the two-axis inspection process by incorporating an adaptive clamp and a material ejection assembly. It automates the shaft fitting and ring ejection by inserting the first and second sub-axis twice, significantly reducing the installation difficulty of the sealing ring in toughness and sealing tests and improving the working efficiency of the production line.

[0022] 2. This invention, by incorporating a rotating disk and a light source, facilitates bottom-illuminated illumination. Combined with the arrangement of photosensitive plates on the shaft, it enables simultaneous optical inspection of the sealing ring during toughness and sealing tests. This replaces the existing top-down optical approach, significantly reducing overall inspection time and eliminating the need for multiple adjustments to the sealing ring's position. This not only reduces the contact time of the sealing ring and prevents surface scratches but also further improves production efficiency and inspection accuracy. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the overall structure of the present invention.

[0024] Figure 2 This is a schematic diagram of the rotating disk structure of the present invention.

[0025] Figure 3 This is a schematic diagram of the adaptive clamp structure of the present invention.

[0026] Figure 4 This is a schematic diagram showing the installation position of the light source structure of the present invention.

[0027] Figure 5 For the present invention Figure 4 Schematic diagram of structure A in the middle.

[0028] Figure 6 This is a schematic diagram of the material ejection assembly structure of the present invention.

[0029] Figure 7 This is a schematic diagram of the rapid detection and sorting method of the present invention.

[0030] Figure 8 This is a schematic diagram of the control system of the present invention.

[0031] The attached figures are labeled as follows: 1. Base plate; 2. Rotary placement frame; 201. Suction ring; 3. Rotary disk; 301. Station slot; 302. Extension sleeve; 303. Light-transmitting deformation groove; 4. First sub-axis; 5. Second sub-axis; 6. Sealing ring body; 7. Adaptive clamp; 701. Clamping rod; 702. Hinge block; 8. Unloading assembly; 801. Unloading plate; 802. Adjustable telescopic cover; 803. Telescopic spring; 9. Horizontal one-way plate; 10. Magnetic pole assembly; 1001. Horizontal plate; 1002. Magnetic pole block; 1003. Compression spring; 1004. One-way tooth; 1005. Hinge hole; 11. Tension spring; 12. Light source. Detailed Implementation

[0032] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. In addition, the forms of the various structures described in the following embodiments are merely illustrative. The multi-station rapid detection and sorting device for turbocharger sealing rings involved in the present invention is not limited to the structures described in the following embodiments. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0033] Reference Figure 1 and Figure 4 This invention provides a multi-station rapid detection and sorting device for turbocharger sealing rings, including a base plate 1, a rotating disk 3 mounted in the middle of the base plate 1, and a drive motor mounted at the bottom of the rotating disk 3, which drives the rotating disk 3 to rotate intermittently. A rotating placement frame 2, a first split shaft 4, and a second split shaft 5 are respectively installed at various stations around the rotating disk 3. Suction rings 201 are provided at the bottom of both ends of the rotating placement frame 2, and the suction rings 201 are used for negative pressure adsorption and transfer of the sealing ring body 6.

[0034] The rotary disk 3 has multiple work station slots 301. Each work station slot 301 is equipped with an adaptive clamp 7. A sealing ring 6 is placed on the adaptive clamp 7. A horizontal one-way plate 9, a magnetic pole assembly 10 and a tension spring 11 are installed at the bottom of the adaptive clamp 7.

[0035] In this embodiment, it should be specifically noted that: both the first sub-axis 4 and the second sub-axis 5 are composed of a standard axis and a photosensitive plate. The diameter of the standard axis is precisely manufactured according to the testing requirements. The photosensitive plate is set on the standard axis at the top of the testing station to receive the light from the light source 12 and convert it into an electrical signal. The bottom of the standard axis is designed with a tapered structure. The top diameter of the tapered axis is the same as the diameter of the standard axis, and the bottom diameter is smaller than the inner diameter of the sealing ring body 6, which facilitates the smooth insertion of the testing axis into the sealing ring.

[0036] In the specific testing process, a sealing ring with an outer diameter of 10mm was used as the standard test sample. The first shaft 4 was a shaft with a standard diameter of 10.3mm, used for toughness testing. The testing sequence was controlled as follows: after the shaft was inserted, it was held for 1 second, and then the light source 12 emitted light of a specific frequency to illuminate the sealing ring body 6. The deformation and potential defects of the sealing ring under the interference fit were detected by the optical sensor, and the opening direction was determined at the same time. After the test was completed, the angle was adjusted to make the opening orientation of each sealing ring body 6 consistent.

[0037] The second sub-shaft 5 is a shaft with a standard diameter of 10.0 mm, used for sealing performance testing. During the testing process, light source 12 illuminates the mating gap between the sealing ring and the shaft, and the light transmission is detected by a photosensitive plate. The judgment criteria strictly follow industry standards: no light transmission is allowed within 20% of the circumference at both ends of the opening gap; the remaining part is allowed to have blurred light transmission, but the total length shall not exceed 15% of the circumference, and the maximum radial gap of the light-transmitting part shall not exceed 0.013 mm.

[0038] Reference Figure 2-3 The adaptive clamp 7 consists of a clamping rod 701 and a hinge block 702, and is mounted on the inner wall of the light-transmitting deformation groove 303 via the hinge block 702. The clamping rod 701 is installed at an angle, and the placement groove opened at the top forms a complete circular support structure through the synergistic action of multiple clamping rods. The diameter of the circle matches the outer diameter of the sealing ring 6.

[0039] A horizontal one-way plate 9 and a tension spring 11 are respectively installed at the bottom of the clamping rod 701. The horizontal one-way plate 9 and the clamping rod 701 are hinged. When the tilt angle of the clamping rod 701 changes, the horizontal one-way plate 9 moves horizontally. Figure 5 The two ends of the tension spring 11 are respectively installed inside the rotating disk 3 and on the adaptive clamp 7. When the placement groove forms a standard circle, the tension spring 11 does not apply tension.

[0040] In this embodiment, it should be specifically noted that: the two ends of the tension spring 11 are respectively connected to the internal structure of the rotating disk 3 and the adaptive clamp 7, and no additional tension is applied under normal clamping conditions. The end of the tension spring 11 integrates a high-precision pressure sensor and an electric push rod. When adjustment is required to accommodate sealing rings of different specifications, the control system automatically adjusts the spring length to ensure that the optimal clamping force is maintained under various diameters. The control method of the electric push rod is the same as that of the adjusting telescopic cover 802.

[0041] Reference Figure 2-4Multiple protruding sleeves 302 are provided on the side of the workstation slot 301, and the unloading assembly 8 is installed inside. The installation position of the protruding sleeves 302 is precisely calculated to ensure that its top is slightly higher than the clamping surface of the adaptive fixture 7, so as to facilitate the automatic unloading function when the detection shaft is inserted for the second time. When the detection shaft of the first sub-shaft 4 or the second sub-shaft 5 is inserted for the first time, the tapered shaft is normally inserted into the sealing ring 6. Then, as the diameter changes, the sealing ring 6 begins to expand until it is fitted onto the standard shaft and removed.

[0042] In this embodiment, it should be specifically noted that the placement groove of the adaptive clamp 7 is lined with a rubber pad. The rubber pad has moderate elasticity and wear resistance, which can effectively protect the surface of the sealing ring and provide stable support when the sealing ring deforms.

[0043] Reference Figure 5 The magnetic pole assembly 10 is integrated inside the rotating disk 3, located directly below the horizontal one-way plate 9. The bottom of the horizontal one-way plate 9 has a slanted groove that engages with the one-way teeth 1004 on the magnetic pole assembly 10. The horizontal plate 1001 is hinged via a hinge hole 1005, and its bottom is equipped with a magnetic pole block 1002 and a compression spring 1003. Under normal operating conditions, the compression spring 1003 provides sufficient preload to maintain the locked state; when release is required, the control system energizes the magnetic pole block 1002 to generate magnetic force, driving the entire assembly downwards to release the locking of the horizontal one-way plate 9.

[0044] Reference Figure 4 and Figure 6 The core component of the unloading assembly 8 is the unloading plate 801, which includes a long rod and a precision inclined block. An adjustable telescopic cover 802 is fixedly installed on the long rod, and a telescopic spring 803 is set on the opposite side. The adjustable telescopic cover 802 adopts a telescopic structure, and the extension length can be infinitely adjusted through the precise control of the control system, thereby adapting to the unloading requirements of sealing rings of different specifications.

[0045] Working principle of the invention:

[0046] The main problem solved by this embodiment is to achieve the same control of the inspection process of sealing rings with different shaft diameters by adopting an automatic control method with different pressures. This solves the problem that the current sealing ring toughness test and sealing test requires multiple replacements of push plate sleeves with different diameters to make the sealing ring fit on the corresponding shaft for the test, and the inspection process is relatively complicated because different shafts need to be reversed after the test to remove the ring.

[0047] A multi-station rapid detection and sorting method for turbocharger sealing rings, the specific steps of which are as follows:

[0048] S1: The bottom motor of the rotating placement rack 2 drives the rotating placement rack 2 to rotate, and the sealing ring 6 is placed on the placement groove of the clamping rod 701 by the negative pressure of the suction ring 201 and the up and down movement.

[0049] S2: The motor of the rotary disk 3 controls the sealing ring 6 to rotate one station. The 10.3mm shaft of the first split shaft 4 descends and extends into the sealing ring 6 for toughness testing. First, the tapered shaft enters the interior of the sealing ring 6. As the diameter of the tapered shaft continues to expand, the sealing ring 6 continuously pushes the top part of the clamping rod 701 to expand outward. The inward movement of the bottom clamping rod 701 causes the clamping rod 701 to be subjected to the tension of the tension spring 11. At the same time, the horizontal one-way plate 9 slides on the magnetic pole assembly 10, causing the one-way tooth 1004 to be stuck in the slot of the horizontal one-way plate 9 to fix the length.

[0050] S3: The first sub-shaft 4 is pulled out 10.3mm axially upward. After reaching the specified height, wait for 1 second. The light source 12 emits high-frequency light to illuminate the sealing ring 6. The photosensitive plate detects the light and performs the first crack detection on the sealing ring 6. At the same time, it judges the opening direction. The standard shaft is rotated so that the opening of each sealing ring 6 is in the same position. Meanwhile, the pressure sensor of the clamping rod 701 collects the pressure information of the tension spring 11 to determine the type of the detection shaft. After the first sub-shaft 4 is pulled out, the control unit controls the adjustment telescopic cover 802 to retract, so that the ejector plate 801 moves inward. The position of the inclined block of the ejector plate 801 is smaller than the shaft diameter, which facilitates contact with the outer surface of the shaft.

[0051] S4: The first sub-shaft 4 is inserted downwards for the second time. Since the adaptive clamp 7 is in a fixed state at this time, the sealing ring 6 freely enters the placement groove. When the first sub-shaft 4 begins to rise, the sealing ring 6 contacts the bottom of the inclined block and is subjected to the pressure of the inclined block. At this time, the control unit controls the magnetic pole block 1002 to be energized, and the upper and lower magnetic poles attract each other, releasing the horizontal one-way plate 9 to start moving freely. When the first sub-shaft 4 rises in the subsequent process, the sealing ring 6 has a tendency to move upward synchronously with the standard shaft. However, under the action of the inclined block of the ejector plate 801, it gradually separates from the first sub-shaft 4. During this process, the diameter of the sealing ring 6 changes continuously. However, under the tension of the tension spring 11, the edge of the sealing ring 6 is always in the placement groove until the outer diameter of the sealing ring 6 is reduced to the minimum. The first sub-shaft 4 is completely pulled out. At the same time, the telescopic cover 802 is adjusted to extend so that the ejector plate 801 moves into the extension sleeve 302 so as not to affect the use of the next working position.

[0052] S5: The motor of the rotary disk 3 continues to control the sealing ring 6 to rotate to a station, and the 10mm shaft of the second sub-shaft 5 performs the same detection process as above to conduct a sealing test and determine whether the sealing ring 6 is a qualified product.

[0053] The above are merely preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A multi-station rapid detection and sorting device for turbocharger sealing rings, comprising a base plate (1), characterized in that: A rotating disk (3) is installed in the middle of the base plate (1), and a drive motor is installed at the bottom of the rotating disk (3). Multiple detection stations are set around the rotating disk (3). Multiple station slots (301) are evenly distributed on the rotating disk (3). An adaptive clamp (7) is installed in each station slot (301) for clamping the sealing ring body (6).

2. The multi-station rapid detection and sorting device for turbocharger sealing rings according to claim 1, characterized in that: The adaptive fixture (7) includes multiple clamping rods (701) and a hinge block (702). The clamping rods (701) are hinged to the inner wall of the work station slot (301) through the hinge block (702). A placement slot is opened on the top of the clamping rods (701). Multiple placement slots together form a circular support structure that matches the outer diameter of the sealing ring.

3. The multi-station rapid detection and sorting device for turbocharger sealing rings according to claim 2, characterized in that: The testing station includes a loading station, a toughness testing station, a sealing testing station, and a sorting and unloading station; the toughness testing station is provided with a first sub-shaft (4) with a diameter of 10.3 mm; the sealing testing station is provided with a second sub-shaft (5) with a diameter of 10.0 mm.

4. The multi-station rapid detection and sorting device for turbocharger sealing rings according to claim 3, characterized in that: The bottom of the first sub-shaft (4) and the second sub-shaft (5) are both tapered structures. The top diameter of the tapered shaft is the same as the diameter of the standard shaft, and the bottom diameter is smaller than the inner diameter of the sealing ring (6).

5. The multi-station rapid detection and sorting device for turbocharger sealing rings according to claim 4, characterized in that: The device also includes a light transmittance detection system consisting of a light source (12) and a photosensitive plate. The light source (12) is located below the detection station, and the photosensitive plate is located above the detection station.

6. The multi-station rapid detection and sorting device for turbocharger sealing rings according to claim 5, characterized in that: The device also includes a material ejection assembly (8), which includes a material ejection plate (801), an adjustable telescopic cover (802), and a telescopic spring (803). The material ejection plate (801) controls the extension length by adjusting the telescopic cover (802).

7. The multi-station rapid detection and sorting device for turbocharger sealing rings according to claim 6, characterized in that: The device also includes a magnetic pole assembly (10), which includes a horizontal plate (1001), a magnetic pole block (1002), a compression spring (1003), a one-way tooth (1004), and a hinge hole (1005). The clamping and releasing of the clamp are achieved by controlling the energization of the magnetic pole block (1002).

8. The multi-station rapid detection and sorting device for turbocharger sealing rings according to claim 7, characterized in that: The rotating disk (3) is provided with a light-transmitting deformation groove (303), and the position of the light-transmitting deformation groove (303) corresponds to the detection station.

9. A method for rapid multi-station detection and sorting of turbocharger sealing rings, using the rapid multi-station detection and sorting device for turbocharger sealing rings as described in claim 8, characterized in that: Includes the following steps: S1: Place the sealing ring body (6) on the adaptive fixture (7) by rotating the placement rack (2) and the suction ring (201); S2: The rotating disk (3) rotates to deliver the sealing ring (6) to each testing station; S3: The first split shaft (4) performs toughness testing on the sealing ring body (6) with a testing time interval of 1 second; S4: The light source (12) emits light to perform optical detection and determine the direction of the crack and the opening; S5: The second split shaft (5) performs a sealing performance test on the sealing ring body (6); S6: Automatically sort the sealing ring (6) based on the test results.

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