Measuring tool for detecting run-out consistency of nut boss

Abstract

The utility model discloses a measuring tool for detecting run-out consistency of a nut boss, which is characterized in that the measuring tool comprises a tool platform, a synchronous belt driving structure is arranged on the tool platform, and the synchronous belt driving structure comprises a belt pulley for driving and a detection disc body driven by the belt pulley and a synchronous belt; a chuck is arranged in the detection disc body, a to-be-detected nut is clamped on the chuck, and the boss end of the to-be-detected nut is arranged upwards; a sensing mechanism is provided with a plurality of sensing probes, and the sensing probes are driven by the sliding mechanism to advance or retreat; and the jumping condition of the boss end of the to-be-measured nut is measured through the plurality of sensing probes. According to the utility model, the consistency measurement of the run-out of a plurality of bosses of the nut can be realized, the real-time change relation of the run-out of a plurality of parts can be well reflected, and the processing state can be quickly fed back.

Description

Technical Field

[0001] The utility model relates to the field of bearing manufacturing, in particular to a measuring tool for detecting the runout consistency of a nut boss. Background Art

[0002] Nut boss runout usually refers to the phenomenon that the center axis of the threaded hole does not coincide with the center axis of the nut boss during machining or assembly, causing the nut to deviate or run out during installation. This situation may affect the tightness and stability of the threaded connection.

[0003] In the prior art, the jitter measurement device can only measure a single jitter value and cannot evaluate the consistency of jitters at multiple locations. Utility Model Content

[0004] In order to overcome the above-mentioned defects of the prior art, the purpose of the utility model is to provide a measuring tool for detecting the consistency of the runout of the nut boss.

[0005] In order to achieve the purpose of this utility model, the technical solution adopted is:

[0006] A measuring tool for detecting the runout consistency of a nut boss, comprising:

[0007] A tooling platform, on which a synchronous belt driving structure is arranged, and the synchronous belt driving structure includes a driving pulley and a detection disc body driven by the pulley and the synchronous belt;

[0008] A chuck is arranged in the detection disc body, a nut to be tested is clamped on the chuck, and the boss end of the nut to be tested is arranged upward;

[0009] A plurality of sensing heads are arranged on a sensing mechanism, and the sensing heads move forward or backward under the drive of a sliding mechanism; the vibration of the boss end of the nut to be measured is measured by the plurality of sensing heads.

[0010] In a preferred embodiment of the present invention, the sensing heads are a first sensing head group driven by a first sliding mechanism, and a second sensing head group driven by a second sliding mechanism.

[0011] In a preferred embodiment of the present invention, the first sensor head group includes a first sensor head and a second sensor head which are arranged one above the other.

[0012] In a preferred embodiment of the present utility model, a first sensor fixing frame is arranged at the end of the first sliding mechanism, and the first sensor head and the second sensor head are arranged on the first sensor fixing frame.

[0013] In a preferred embodiment of the present invention, the second sensor head group includes a third sensor head and a fourth sensor head which are arranged one above the other.

[0014] In a preferred embodiment of the present invention, a second sensor fixing frame is disposed at the end of the second sliding mechanism, and the third sensor head and the fourth sensor head are disposed on the second sensor fixing frame.

[0015] In a preferred embodiment of the present invention, the chuck is a three-jaw chuck.

[0016] In a preferred embodiment of the present invention, the sensing head is an electric sensing head.

[0017] The beneficial effects of the utility model are:

[0018] The utility model can realize the consistency measurement of the runout of multiple bosses of the nut, can better reflect the real-time change relationship of the runout at multiple locations, and quickly feedback the processing status. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 The structure of the utility model is shown in FIG. Figure 1 .

[0020] Figure 2 The structure of the utility model is shown in FIG. Figure 2 .

[0021] Figure 3 It is a schematic diagram of the nut structure of the utility model. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model is further described in detail below through the accompanying drawings and embodiments. However, it should be understood that the specific embodiments described herein are only used to explain the utility model and are not used to limit the scope of the utility model. In addition, in the following structure, the description of the well-known structure and technology is omitted to avoid unnecessary confusion of the concept of the utility model.

[0023] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description. They do not indicate or imply that the device or component referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0024] like Figure 1-3A measuring tool for detecting the consistency of the runout of a nut boss is shown, comprising a tooling platform 100, on which a synchronous belt drive structure 110 is arranged. The synchronous belt drive structure 110 comprises a driving pulley 111 and a detection disc 113 driven by the pulley 111 and the synchronous belt 112.

[0025] A three-jaw chuck 120 is arranged in the testing disc body 113, and a nut 200 to be tested is clamped on the three-jaw chuck 120, and the boss end 210 of the nut 200 to be tested is arranged upward. Other stable chuck structures can also be arranged.

[0026] The sensing mechanism 130 is provided with a plurality of sensing heads, which move forward or backward under the drive of the sliding mechanism 140 ; ​​the vibration of the boss end 210 of the nut 200 to be measured is measured by the plurality of sensing heads.

[0027] The sensor head is an electromechanical sensor head, and the signal of the electromechanical sensor head is amplified by an amplifier. The inductive sensor and amplifier have small measurement error and high accuracy, and have a good effect on precision ball screw measurement.

[0028] In order to facilitate the measurement of both large and small bosses, the sensing heads include a first sensing head group 132 driven by a first sliding mechanism 131 and a second sensing head group 134 driven by a second sliding mechanism 133 .

[0029] Furthermore, the first sensor head group 132 includes a first sensor head 1321 and a second sensor head 1322 which are arranged one above the other.

[0030] A first sensor fixing frame 1311 is disposed at the end of the first sliding mechanism 131 , and a first sensor head 1321 and a second sensor head 1322 are disposed on the first sensor fixing frame 1311 .

[0031] The second sensor head group 134 includes a third sensor head 1341 and a fourth sensor head 1342 which are disposed one above the other.

[0032] A second sensor fixing frame 1331 is disposed at the end of the second sliding mechanism 133 , and the third sensor head 1341 and the fourth sensor head 1342 are disposed on the second sensor fixing frame 1331 .

[0033] Because of the above structure, the working principle of the utility model is:

[0034] The boss end 210 of the nut 200 to be tested is placed on the three-jaw chuck 120 on the testing plate body 113 and is arranged to face upward.

[0035] The three-jaw chuck 120 fixes the lower end of the boss of the nut 200 to be tested.

[0036] The synchronous belt driving structure 110 is driven to move to drive the detection disk body 113 to rotate synchronously.

[0037] The upper and lower electromechanical sensing heads are used to detect the vibration of the small boss 211 and the large boss 212 from both sides.

[0038] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above.

[0039] Those skilled in the art should understand that the present invention is not limited by the above-mentioned embodiments. The above-mentioned embodiments and the specification only illustrate the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which shall fall within the scope of the present invention to be protected. The scope of protection of the present invention shall be defined by the attached claims and their equivalents.

Claims

1. A measuring tool for detecting the consistency of the runout of a nut boss, characterized in that: include: A tooling platform, on which a synchronous belt driving structure is arranged, and the synchronous belt driving structure includes a driving pulley and a detection disc body driven by the pulley and the synchronous belt; A chuck is arranged in the detection disc body, a nut to be tested is clamped on the chuck, and the boss end of the nut to be tested is arranged upward; A plurality of sensing heads are arranged on a sensing mechanism, and the sensing heads move forward or backward under the drive of a sliding mechanism; the vibration of the boss end of the nut to be measured is measured by the plurality of sensing heads.

2. A measuring tool for detecting the consistency of the nut boss runout as claimed in claim 1, characterized in that: The sensing heads are a first sensing head group driven by a first sliding mechanism, and a second sensing head group driven by a second sliding mechanism.

3. A measuring tool for detecting the consistency of the nut boss runout as claimed in claim 2, characterized in that: The first sensor head group includes a first sensor head and a second sensor head which are arranged vertically.

4. A measuring tool for detecting the consistency of the nut boss runout as claimed in claim 3, characterized in that: A first sensor fixing frame is arranged at the end of the first sliding mechanism, and the first sensor head and the second sensor head are arranged on the first sensor fixing frame.

5. A measuring tool for detecting the consistency of the nut boss runout as claimed in claim 2, characterized in that: The second sensor head group includes a third sensor head and a fourth sensor head which are arranged vertically.

6. A measuring tool for detecting the consistency of the nut boss runout as claimed in claim 5, characterized in that: A second sensor fixing frame is arranged at the end of the second sliding mechanism, and the third sensor head and the fourth sensor head are arranged on the second sensor fixing frame.

7. A measuring tool for detecting the consistency of the nut boss runout as claimed in claim 1, characterized in that: The chuck is a three-jaw chuck.

8. A measuring tool for detecting the consistency of the nut boss runout as claimed in claim 1, characterized in that: The sensor head is an electric sensor head.

Images