Nut end face run-out rapid detection device
By designing the relative movement of the rotating plate and the moving frame, fixing the nuts of different widths is achieved, and the coordination of the power motor and the measuring needle is used to solve the problem of low detection rate and inability to detect both end faces of the nuts in the prior art, and the problem of low detection speed and inability to detect both end faces of the nuts at the same time is realized. Efficient nut end face jump detection.
Patent Information
- Application Number
- CN202421398261.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-19
- Publication Date
- 2025-02-21
- Estimated Expiration
- 2034-06-19
AI Technical Summary
The existing jump detection device cannot adapt to nuts of different widths, and the detection rate is low, so it is impossible to detect both end faces of the nut at the same time.
By designing two rotating plates to pull the two moving frames, the limit ring on the moving frame is in contact with the two ends of the nut, and the nuts of different widths are fixed, and the nuts are rotated by the power motor through the contact between the needles and the sides of the nuts. , realize simultaneous detection of the jump on both sides of the nut.
The device's adaptability to nuts of different widths is improved, and the detection rate is significantly improved, achieving simultaneous detection of the jumping of both sides of the nut.
Smart Images

Figure CN222514323U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of runout detection devices, in particular to a nut end face runout rapid detection device. Background Art
[0002] A nut is a part that is screwed together with a bolt or screw for fastening. It is a component that must be used in all manufacturing machinery. It is divided into several types according to the material, such as carbon steel, stainless steel, and non-ferrous metals (such as copper).
[0003] After the nuts are produced, it is generally necessary to perform a runout test on the end faces of the nuts. However, the runout detection devices in the prior art can only fix nuts within a specific range and cannot fix nuts of different widths, thereby reducing the adaptability of the device. In addition, the existing detection devices can only detect one side of the nut, and after the detection is completed, the nut must be turned over to perform the other side detection, and the detection rate is relatively low. Utility Model Content
[0004] The purpose of the utility model is to solve the shortcomings existing in the prior art. By making two rotating plates pull two moving frames to move relative to each other, two limit rings on opposite surfaces of the two moving frames are respectively in contact with two ends of the nut, so that the device can fix nuts of different widths and improve the adaptability of the device, a device for quickly detecting the end face runout of a nut is proposed.
[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0006] A device for quickly detecting end face runout of a nut comprises a base, a plurality of symmetrically arranged supporting feet are provided at the lower end of the base, a supporting frame is provided at the upper end of the base, a connecting frame is provided below the supporting frame, measuring needles are provided on both sides of the connecting frame, a moving mechanism for moving the connecting frame is provided at the upper end of the supporting frame, a chamber is provided in the base, two grooves are provided in the chamber and the upper end of the base, positioning rods are provided in the two grooves, and a fixing mechanism for fixing the nut is provided between the two positioning rods.
[0007] Preferably, the moving mechanism comprises a threaded rod threadedly connected to the upper end of the support frame, the lower end of the threaded rod is rotatably connected to the upper end of the connecting frame, and a limiting rod is provided at the upper end of the connecting frame, which passes through the support frame and is slidably connected thereto.
[0008] Preferably, the fixing mechanism comprises a movable frame slidably connected to the outer walls of the two positioning rods, the opposite surfaces of the two movable frames are rotatably connected to the fixing rods, the opposite surfaces of the two fixing rods are provided with fixing plates, and the opposite surfaces of the two fixing plates are provided with limiting rings.
[0009] Preferably, a rotating shaft is rotatably connected through the chamber and the lower end of the base, and a disc is provided at the upper end of the rotating shaft.
[0010] Preferably, a power motor is provided at the lower end of the base, and the lower end of the rotating shaft is connected to the end of the output shaft of the power motor.
[0011] Preferably, a connecting plate is provided at the lower end of the two movable frames, and connecting columns are provided at the lower ends of the two connecting plates and the upper end of the disc, and the two connecting columns are rotatably connected via a rotating plate.
[0012] Beneficial effects of the utility model:
[0013] 1. By making the two rotating plates pull the two moving frames to move relative to each other, the two limit rings on the opposite surfaces of the two moving frames are respectively in contact with the two ends of the nut, so that the device can fix nuts of different widths and improve the adaptability of the device.
[0014] 2. By making the measuring needles on both sides of the connection frame contact with both sides of the nut, and then using the existing technology to rotate the nut, the two measuring needles can simultaneously detect the vibration on both sides of the nut, thereby improving the detection rate. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic top view of the overall structure of the utility model;
[0016] Figure 2 It is a bottom view schematic diagram of the overall structure of the utility model;
[0017] Figure 3 It is a schematic cross-sectional view of the overall structure of the utility model.
[0018] In the figure: 1 base, 2 supporting feet, 3 grooves, 4 moving frame, 5 fixing rods, 6 fixing plates, 7 limiting rings, 8 supporting frames, 9 connecting frames, 10 measuring needles, 11 limiting rods, 12 threaded rods, 13 power motors, 14 chambers, 15 discs, 16 rotating plates, and 17 connecting columns. DETAILED DESCRIPTION
[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.
[0020] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.
[0021] Reference Figure 1-3 A device for quickly detecting the end face runout of a nut comprises a base 1, a plurality of symmetrically arranged supporting feet 2 are arranged at the lower end of the base 1, a supporting frame 8 is arranged at the upper end of the base 1, a connecting frame 9 is arranged below the supporting frame 8, measuring needles 10 are penetrated on both sides of the connecting frame 9, a moving mechanism for moving the connecting frame 9 is arranged at the upper end of the supporting frame 8, the moving mechanism comprises a threaded rod 12 which is threadedly connected to the upper end of the supporting frame 8, the lower end of the threaded rod 12 is rotatably connected to the upper end of the connecting frame 9, a limiting rod 11 is arranged at the upper end of the connecting frame 9, the limiting rod 11 penetrates the supporting frame 8 and is slidably connected thereto, by making the measuring needles 10 on both sides of the connecting frame 9 contact with both sides of the nut, and then using the existing technology to rotate the nut, so that the two measuring needles 10 can detect the runout of both sides of the nut at the same time, thereby improving the detection rate.
[0022] A chamber 14 is provided in the base 1, and two grooves 3 are provided in the chamber 14 and the upper end of the base 1. Positioning rods are provided in the two grooves 3, and a fixing mechanism for fixing the nuts is provided between the two positioning rods. The fixing mechanism includes a moving frame 4 slidably connected to the outer walls of the two positioning rods, and the opposite surfaces of the two moving frames 4 are rotatably connected to fixing rods 5, and the opposite surfaces of the two fixing rods 5 are provided with fixing plates 6, and the opposite surfaces of the two fixing plates 6 are provided with limit rings 7.
[0023] A rotating shaft is rotatably connected to the chamber 14 and the lower end of the base 1 , and a disc 15 is provided at the upper end of the rotating shaft.
[0024] A power motor 13 is disposed at the lower end of the base 1 , and the lower end of the rotating shaft is connected to the end of the output shaft of the power motor 13 .
[0025] A connecting plate is provided at the lower end of the two moving frames 4, and a connecting column 17 is provided at the lower end of the two connecting plates and the upper end of the disc 15. The two connecting columns 17 are rotatably connected via a rotating plate 16. The two rotating plates 16 pull the two moving frames 4 to move relative to each other, so that the limiting rings 7 on the opposite surfaces of the two moving frames 4 are respectively in contact with the two ends of the nut, so that the device can fix nuts of different widths and improve the adaptability of the device.
[0026] When the utility model is used, when the end face of the nut is inspected, the nut is placed between the two limit rings 7, the power motor 13 is started, and the power motor 13 drives the rotating shaft to rotate, thereby rotating the disc 15, and then through the rotation connection between the connecting column 17 and the rotating plate 16 between the disc 15 and the two rotating plates 16, and the sliding connection between the two moving frames 4 and the positioning rod, the two rotating plates 16 pull the two moving frames 4 to move relative to each other, so that the limit rings 7 on the opposite surfaces of the two moving frames 4 are respectively in contact with the two ends of the nut, so that the device can fix nuts of different widths, and improve the adaptability of the device;
[0027] Then rotate the threaded rod 12 to push the connecting frame 9, so that the measuring needles 10 on both sides of the connecting frame 9 contact the two sides of the nut, and then use the existing technology to rotate the nut (this part of the power can be manually rotated or achieved by rotating the two fixed rods 5), so that the two measuring needles 10 can detect the vibration on both sides of the nut at the same time, thereby improving the detection rate.
[0028] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A nut end face runout rapid detection device, comprising a base (1), characterized in that: The lower end of the base (1) is provided with a plurality of symmetrically arranged supporting feet (2), the upper end of the base (1) is provided with a supporting frame (8), a connecting frame (9) is provided below the supporting frame (8), measuring needles (10) are provided on both sides of the connecting frame (9), a moving mechanism for moving the connecting frame (9) is provided at the upper end of the supporting frame (8), a chamber (14) is provided in the base (1), two grooves (3) are provided in the chamber (14) and the upper end of the base (1), positioning rods are provided in the two grooves (3), and a fixing mechanism for fixing a nut is provided between the two positioning rods.
2. A nut end face runout rapid detection device according to claim 1, characterized in that: The moving mechanism comprises a threaded rod (12) threadedly connected to the upper end of the support frame (8); the lower end of the threaded rod (12) is rotatably connected to the upper end of the connection frame (9); a limiting rod (11) is provided at the upper end of the connection frame (9); the limiting rod (11) passes through the support frame (8) and is slidably connected thereto.
3. A nut end face runout rapid detection device according to claim 2, characterized in that: The fixing mechanism comprises a moving frame (4) slidably connected to the outer walls of the two positioning rods, the opposite surfaces of the two moving frames (4) are rotatably connected to the fixing rods (5), the opposite surfaces of the two fixing rods (5) are provided with fixing plates (6), and the opposite surfaces of the two fixing plates (6) are provided with limiting rings (7).
4. A nut end face runout rapid detection device according to claim 3, characterized in that: A rotating shaft is rotatably connected through the chamber (14) and the lower end of the base (1), and a disc (15) is provided at the upper end of the rotating shaft.
5. A nut end face runout rapid detection device according to claim 4, characterized in that: A power motor (13) is provided at the lower end of the base (1), and the lower end of the rotating shaft is connected to the end of the output shaft of the power motor (13).
6. A nut end face runout rapid detection device according to claim 5, characterized in that: The lower ends of the two movable frames (4) are each provided with a connecting plate, the lower ends of the two connecting plates and the upper end of the disc (15) are each provided with a connecting column (17), and the two connecting columns (17) are rotatably connected relative to each other via a rotating plate (16).