Detection device for narrow groove of spinning assembly

Abstract

The utility model discloses a detection device for a narrow groove of a spinning assembly, which comprises a clamp, a workpiece is clamped in the center of the clamp, the clamp is rotatably arranged on a moving seat, and the moving seat moves to enable the narrow groove on the workpiece to correspond to a detection module up and down; the detection module is connected with the lifting end of the lifting driving device, and the lifting driving device slides along the horizontal sliding rail; the clamp rotates so that the length direction of the narrow groove in the clamp can be the same as the direction of the horizontal sliding rail. The detection module comprises two touch bodies and a distance measuring module, the two touch bodies are in contact with the two side edges of the notch of the narrow groove respectively, and the two touch bodies relatively slide to be close to or away from each other; the distance measuring module is used for measuring the distance between the two touch bodies. The device is suitable for position precision qualification detection of narrow straight grooves with non-equal-length groove edges.

Description

Technical Field

[0001] The utility model relates to the technical field of spinning assembly detection, in particular to a detection device for a narrow slot of a spinning assembly. Background Art

[0002] Several narrow straight grooves are machined into the end faces of the spin pack, requiring certain positioning accuracy. Therefore, after machining, the grooves must be inspected for positional accuracy, including the groove width and the orientation of the sidewalls. Due to the narrow groove width, conventional direct-reach inspection equipment may not be able to reach, making inspection impossible. Furthermore, since spin packs are mostly circular workpieces, if the ends of the long straight grooves extend to the edge of the workpiece's arc profile, the end faces of the narrow grooves will become inclined arcs, resulting in asymmetry between the groove walls. Conventional inspection equipment cannot accurately inspect the position of even one side of the groove wall. Summary of the Invention

[0003] Purpose of the invention: In order to overcome the deficiencies in the prior art, the utility model provides a detection device for narrow slots of a spinning assembly, which is suitable for detecting the position accuracy of narrow straight slots with unequal length slot edges.

[0004] Technical solution: To achieve the above-mentioned purpose, the invention provides a detection device for the narrow slot of a spinning assembly, comprising a fixture, wherein the center of the fixture holds a workpiece, the fixture being arranged on a movable seat, the movable seat being movable along a guide rail, the movable seat being movable so that the narrow slot on the workpiece corresponds to the detection module in the upper and lower directions; the detection module is connected to the lifting end of a lifting drive device, and the lifting drive device is slidingly arranged along a horizontal slide rail;

[0005] The clamp is rotatably mounted on the movable seat, and the clamp is rotated so that the length direction of the narrow slot thereon is arranged in the same direction as the horizontal slide rail;

[0006] The detection module includes two touch bodies and a distance measuring module. The two touch bodies are in contact with the two side edges of the narrow slot respectively. The two touch bodies slide closer or farther away from each other. The distance measuring module is used to measure the distance between the two touch bodies.

[0007] Furthermore, the detection module includes an adapter frame, which is fixedly connected to the lifting drive device. Two side plates are provided at the lower end of the adapter frame. A guide rod is horizontally provided between the two side plates. The two touch bodies are both mounted on the guide rod. The two touch bodies are slidably arranged along the guide rod. The two touch bodies are respectively connected to the side plates on the adjacent sides through elastic reset parts.

[0008] Furthermore, the touch body includes a driving surface and a reference surface, the reference surface is vertically arranged, and the reference surfaces of the two touch bodies are arranged parallel to each other; the driving surface is inclined, and the driving surfaces of the two touch bodies gradually tilt away from each other from bottom to top.

[0009] Furthermore, the driving surface is a conical surface.

[0010] Furthermore, the distance measuring module adopts a laser distance measuring sensor, and its transmitter and receiver are fixedly mounted on the two touch bodies respectively, and the transmitting end surface of the transmitter and the receiving end surface of the receiver are respectively flush with the reference surfaces of their respective corresponding touch bodies.

[0011] Furthermore, the guide rail and the horizontal slide rail are arranged with their length directions perpendicular to each other.

[0012] Beneficial effects: The detection device for the narrow slot of the spinning assembly of the present invention, through the rotational cooperation of the movable seat and the clamp, makes the narrow straight slot on the workpiece aligned with the upper and lower parts of the detection module, and the detection module can move along the narrow slot, thereby realizing continuous detection of the slot width of the entire slot in the upper direction, and through the contact between the two touch bodies and the edge of the slot, the relative movement of the two touch bodies is triggered, and the comprehensive judgment of whether the position accuracy of the narrow straight slot is qualified is realized by measuring the change in the distance between the two touch bodies. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the utility model;

[0014] Figure 2 This is a schematic diagram of the detection module structure of an embodiment of the present utility model. DETAILED DESCRIPTION

[0015] The present invention will be further described below in conjunction with the accompanying drawings.

[0016] As attached Figure 1-2 The spin pack narrow slot detection device includes a fixture 1, the center of which holds a workpiece 2. The fixture 1 is mounted on a movable base 3, which moves along a guide rail 4. The movable base 3 moves so that the narrow slot 21 on the workpiece 2 is aligned vertically with a detection module 5. The detection module 5 is connected to the lifting end of a lifting drive 6, which slides along a horizontal slide rail 7. The fixture uses a common disc clamp, which clamps and secures the workpiece to be inspected. The movable base drives the workpiece to the bottom of the detection module, allowing the detection module to be lowered and inserted into the narrow slot for inspection.

[0017] The fixture 1 is rotatably mounted on the movable base 3, and the fixture 1 is rotated so that the length direction of the narrow slot 21 thereon is aligned with the direction of the horizontal slide rail 7. By rotating the slot direction of the narrow slot to coincide with the sliding direction of the detection module, the detection module inserted into the slot can move along the slot direction within the slot, thereby achieving continuous detection of the width of the narrow slot along its entire length.

[0018] The detection module 5 includes two actuators 51 and a distance measurement module 52. The two actuators 51 contact the edges of the narrow slot 21, sliding toward or away from each other. The distance measurement module 52 is used to measure the distance between the two actuators 51. As the actual slot width changes, the distance between the two actuators changes. The distance measurement module detects the distance between the two actuators and compares it with a preset value to determine whether the straight narrow slot width meets the requirements.

[0019] The detection module 5 includes an adapter frame 53, which is fixedly connected to the lifting drive device 6. The lower end of the adapter frame 53 is provided with two side panels, with a guide rod 54 extending horizontally between the two side panels. The two touch bodies 51 are each sleeved on the guide rod 54, and the two touch bodies 51 are slidably arranged along the guide rod 54. The two touch bodies 51 are respectively connected to the adjacent side panels via elastic return members 55. The guide rods guide and support the sliding of the touch bodies, ensuring that the two touch bodies slide toward or away from each other only along the direction of the guide rods, and ensuring the stability of the sliding process, thereby ensuring the stability and accuracy of the final measured value. The guide rods can be configured as parallel cylindrical guide rods. The guide rods and the guide holes of the touch bodies are lubricated with lubricating oil, which prevents the touch bodies from rotating and reduces the interference of resistance on the measurement results, resulting in greater sensitivity and accuracy.

[0020] The actuator 51 includes a driving surface and a reference surface. The reference surface is vertically arranged, with the reference surfaces of the two actuators 51 arranged parallel to each other. The driving surface is inclined, with the driving surfaces of the two actuators 51 gradually tilting away from each other from bottom to top. The inclination angle between the driving surface and the reference surface is fixed. Therefore, the depth of the actuator inserted into the slot affects the distance between the two reference surfaces. Therefore, when performing slot width testing, a preset insertion depth is first set, and the corresponding measurement value for the qualified slot width is calculated accordingly. During testing, the ends of the two actuators are inserted into the slot to the specified depth. The actual measured value is then compared with the calculated measurement value to determine whether the slot width is qualified. The positive or negative difference between the two values ​​can be used to determine whether the unqualified slot width is too large or too small, providing reliable data support for defect detection. Furthermore, the narrow bottom and wide top structure created by the inclined driving surface is applicable to testing slots of any width.

[0021] The driving surface is a conical surface. This ensures point contact between the driving surface and the slot edge, allowing the measured value to be used to detect the slot width corresponding to the contact point location. The line connecting the contact points of the two actuators must be perpendicular to the direction of movement of the detection module. Therefore, if the slot edges on either side have an angular deviation from the preset slot orientation, the contact point position between the slot wall and the driving surface will shift, causing the line connecting the two contact points to form an angle with the direction of movement of the detection module, which will also cause the measured value to change, indicating that the slot position accuracy is unsatisfactory.

[0022] Preferably, the distance measuring module 52 adopts a laser distance measuring sensor, whose transmitter and receiver are fixedly mounted on the two touch bodies 51 respectively, and the transmitting end face of the transmitter and the receiving end face of the receiver are flush with the reference surfaces of their respective corresponding touch bodies 51.

[0023] Preferably, the guide rail 4 and the horizontal slide rail 7 are arranged with their length directions perpendicular to each other.

[0024] In the actual inspection process, the workpiece is first fixed and clamped on the fixture. The narrow groove to be measured is made parallel to the sliding direction of the inspection module through the rotation adjustment of the fixture. At the same time, the moving seat slides until the preset narrow groove centerline position coincides with the center movement trajectory line of the inspection module. The inspection module is then driven down to make the lower end of the touch body extend into the preset depth in the groove. Subsequently, the inspection module is driven to move horizontally across the entire groove length, the inspection values ​​are recorded and a groove width variable image is generated. It is possible to intuitively observe whether the narrow groove width is qualified.

[0025] In a spinning assembly, most components are discs that span the straight slots defined on the disc's end faces. The slot edges may be uneven at both ends. Since only one side of the slot wall exists, conventional slot width detection equipment cannot verify the machining accuracy of that slot end. However, in this solution, the contact between a single-sided actuator and the slot edge can still produce a change in the spacing between the two actuators, generating a corresponding measurement value. This allows for testing the machining accuracy of the single-sided slot wall. Furthermore, this testing can be performed continuously with the slot width detection between the two slot walls.

[0026] The distance measuring module can also use an infrared reflection sensor, which is installed on both side plates of the adapter frame 53 to detect the distance between the touch body and the corresponding side plate. In this way, not only the groove width can be detected, but also the position accuracy of the two groove edges can be detected to determine whether it is qualified, and whether the groove width is too wide or too narrow due to the groove wall processing error on which side.

[0027] The above are only preferred embodiments of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications should also be regarded as within the scope of protection of the present invention.

Claims

1. A detection device for the narrow slot of a spinning assembly, characterized in that: The invention comprises a fixture (1), wherein the center of the fixture (1) holds a workpiece (2), the fixture (1) is arranged on a movable seat (3), the movable seat (3) is arranged to move along a guide rail (4), and the movable seat (3) moves so that the narrow groove (21) on the workpiece (2) corresponds to the detection module (5) in the upper and lower directions; The detection module (5) is connected to the lifting end of the lifting drive device (6), and the lifting drive device (6) is slidably arranged along a horizontal slide rail (7); The clamp (1) is rotatably mounted on the movable seat (3), and the clamp (1) is rotated so that the length direction of the narrow slot (21) thereon is arranged in the same direction as the horizontal slide rail (7); The detection module (5) comprises two touch bodies (51) and a distance measuring module (52); the two touch bodies (51) respectively contact the edges of both sides of the notch of the narrow slot (21); the two touch bodies (51) slide relatively toward or away from each other; and the distance measuring module (52) is used to measure the distance between the two touch bodies (51).

2. The detection device for the narrow slot of the spinning assembly according to claim 1, characterized in that: The detection module (5) includes an adapter frame (53), the adapter frame (53) is fixedly connected to the lifting drive device (6), and the lower end of the adapter frame (53) is provided with two side plates, a guide rod (54) is horizontally arranged between the two side plates, and the two touch bodies (51) are both sleeved on the guide rod (54). The two touch bodies (51) are slidably arranged along the guide rod (54), and the two touch bodies (51) are respectively connected to the side plates on the adjacent sides through elastic reset members (55).

3. The detection device for the narrow slot of the spinning assembly according to claim 2, characterized in that: The touch body (51) comprises a driving surface and a reference surface, wherein the reference surface is vertically arranged, and the reference surfaces of the two touch bodies (51) are arranged parallel to each other; and the driving surface is inclined, and the driving surfaces of the two touch bodies (51) gradually tilt away from each other from bottom to top.

4. The detection device for the narrow slot of the spinning assembly according to claim 3, characterized in that: The driving surface is a conical surface.

5. The detection device for the narrow slot of the spinning assembly according to claim 4, characterized in that: The distance measuring module (52) adopts a laser distance measuring sensor, and its transmitter and receiver are respectively fixedly mounted on the two touch bodies (51), and the transmitting end surface of the transmitter and the receiving end surface of the receiver are respectively flush with the reference surface of the corresponding touch bodies (51).

6. The detection device for the narrow slot of the spinning assembly according to claim 5, characterized in that: The guide rail (4) and the horizontal slide rail (7) are arranged with their length directions perpendicular to each other.

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