Precise nut performance detection tool

Abstract

The utility model relates to the technical field of nut detection, in particular to a precision nut performance detection tool which comprises a workbench and a detection mechanism, the detection mechanism comprises a detection rod used for detecting the minimum limit size of a nut, and a connecting rod is inserted into the detection rod. The connecting rod penetrates through a through groove in the working table to be fixedly connected with an output shaft of the motor, the motor is fixedly arranged in the working table and drives the detection rod to rotate through the connecting rod, three limiting rods are further fixedly arranged on the working table, and the three limiting rods form a limiting groove for limiting rotation of the nut; the upper end of the workbench is slidably connected with a sliding plate, the detection rod is slidably connected into a sliding groove in the sliding plate, and the detection rod is connected with the sliding groove in a clamped mode. A to-be-detected nut is placed in the limiting groove, the motor drives the detection rod to rotate through the connecting rod, and the nut is limited by the limiting groove and cannot rotate, so that when the nut passes through the detection rod, the minimum limit size of the nut is qualified.

Description

Technical Field

[0001] The utility model relates to the technical field of nut detection, in particular to a precision nut performance detection tool. Background Art

[0002] Precision nut performance testing is an important link to ensure that the quality and performance of nuts meet specific standards and requirements. Common testing items include: size testing, thread testing, hardness testing, tensile strength testing, fatigue resistance testing, corrosion resistance testing, torque testing and other performance tests. Through the above performance tests, qualified precision nuts can be effectively screened out to ensure their reliable use in various precision equipment and structures.

[0003] In size inspection, a plug gauge is usually used to detect the minimum limit size of the hole. The plug gauge needs to be turned manually. If the nut can pass the plug gauge, it means that the minimum limit size of the nut is qualified. However, manual inspection is too labor-intensive and the inspection efficiency is also low. Utility Model Content

[0004] The utility model aims to provide a precision nut performance detection tool to solve the above-mentioned deficiencies in the prior art.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A precision nut performance detection tool comprises a workbench and a detection mechanism, wherein the detection mechanism comprises a detection rod for detecting the minimum limit size of the nut, the detection rod is plugged with a connecting rod, the connecting rod passes through a through slot on the workbench and is fixedly connected to the output shaft of a motor, the motor is fixedly arranged in the workbench, the motor drives the detection rod to rotate through the connecting rod, and three limit rods are also fixedly arranged on the workbench, the three limit rods form a limit groove for limiting the rotation of the nut; a slide plate is slidably connected to the upper end of the workbench, the detection rod is slidably connected to a slide groove on the slide plate, and the detection rod is engaged with the slide groove.

[0007] Furthermore, the detection rod includes a card plate slidably connected in the slide groove, the card plate is connected to a guide rod, the end of the guide rod is connected to a plug gauge, the end of the plug gauge is provided with a slot, the end of the connecting rod is adapted to the slot and inserted into the slot.

[0008] Furthermore, a bevel is provided at the connection between the guide rod and the plug gauge, and the bevel is circumferentially arranged on the outer side of the guide rod.

[0009] Furthermore, the diameter of the clamping plate is smaller than the diameter of the plug gauge.

[0010] Furthermore, the slot is arranged in a cross shape.

[0011] Furthermore, there are multiple detection mechanisms.

[0012] Furthermore, the motors of the detection mechanisms are fixedly connected to a lifting plate, the lifting plate is fixedly connected to a hydraulic cylinder installed in a workbench, the connecting surface between the workbench and the limit rod is inclined, and a slot for a nut to pass through is provided at the bottom of the limit rod.

[0013] In the above technical solution, the utility model provides a precision nut performance detection tool with the beneficial effects of:

[0014] Through the detection mechanism, the slide plate is removed, the nut to be detected is placed in the limit groove, and then the slide plate is moved so that the detection rod is engaged with the slide groove, thereby preventing the detection rod from moving up; because the motor drives the detection rod to rotate through the connecting rod, and the nut is restricted by the limit groove and cannot rotate, the nut moves down along the detection rod, and when the nut passes the detection rod, it indicates that the minimum limit size of the nut is qualified. The utility model can automatically detect the minimum limit size of multiple nuts, effectively improving the detection efficiency.

[0015] It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

[0016] This application document provides an overview of various implementations or examples of the technology described in the present disclosure, and is not a comprehensive disclosure of the entire scope or all features of the disclosed technology. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0018] Figure 1 The overall structural diagram provided for the embodiment of the utility model;

[0019] Figure 2 A schematic diagram of the structure of a detection mechanism provided in an embodiment of the utility model;

[0020] Figure 3 A schematic diagram of a local enlarged structure provided by an embodiment of the utility model;

[0021] Figure 4 A schematic diagram of the explosion structure of a detection rod provided in an embodiment of the utility model.

[0022] Description of reference numerals:

[0023] 1. Workbench; 2. Detection mechanism; 21. Detection rod; 210. Clamping plate; 211. Guide rod; 212. Plug gauge; 213. Slot; 214. Inclined surface; 22. Connecting rod; 23. Motor; 24. Limit rod; 25. Limit groove; 26. Slot; 3. Slide plate; 31. Slide groove; 4. Lifting plate; 41. Hydraulic cylinder. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the embodiments of the present disclosure clearer, the technical solution of the embodiments of the present disclosure will be clearly and completely described below in conjunction with the drawings of the embodiments of the present disclosure. Obviously, the described embodiments are part of the embodiments of the present disclosure, not all of the embodiments. Based on the described embodiments of the present disclosure, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present disclosure.

[0025] See also Figure 1-4 A precision nut performance detection tool comprises a workbench 1 and a detection mechanism 2, wherein the detection mechanism 2 comprises a detection rod 21 for detecting the minimum limit size of the nut, a connecting rod 22 is inserted into the detection rod 21, and the connecting rod 22 passes through a through slot on the workbench 1 and is fixedly connected to the output shaft of a motor 23, the motor 23 is fixedly arranged in the workbench 1, and the motor 23 drives the detection rod 21 to rotate through the connecting rod 22. Three limit rods 24 are also fixedly arranged on the workbench 1, and the three limit rods 24 form a limit groove 25 for limiting the rotation of the nut; a slide plate 3 is slidably connected to the upper end of the workbench 1, and the detection rod 21 is slidably connected to a slide groove 31 on the slide plate 3, and the detection rod 21 is engaged with the slide groove 31.

[0026] Through the detection mechanism 2, the slide plate 3 is removed, the nut to be detected is placed in the limit groove 25, and then the slide plate 3 is moved so that the detection rod 21 is engaged with the slide groove 31, thereby preventing the detection rod 21 from moving up; because the motor 23 drives the detection rod 21 to rotate through the connecting rod 22, and the nut is restricted by the limit groove 25 and cannot rotate, the nut moves down along the detection rod 21. When the nut passes through the detection rod 21, it indicates that the minimum limit size of the nut is qualified. The utility model can automatically detect the minimum limit size of multiple nuts, effectively improving the detection efficiency.

[0027] Furthermore, the detection rod 21 includes a card plate 210 slidably connected to the slide groove 31, a guide rod 211 is connected to the card plate 210, a plug gauge 212 is connected to the end of the guide rod 211, a slot 213 is provided at the end of the plug gauge 212, and the end of the connecting rod 22 is adapted to the slot 213 and plugged into the slot 213. The card plate 210 and the slide plate 3 can prevent the detection rod 21 from moving up during the rotation process, so that the nut moves down for detection; the nut passes through the card plate 210 and the guide rod 211 in turn and is tested for the minimum limit size at the plug gauge 212, and the nut passing the plug gauge 212 falls onto the workbench 1 under the action of gravity. In order to prevent the connecting rod 22 from damaging the inner side of the nut, a cylinder can be provided on the outer surface of the lower end of the connecting rod 22, and a protective pad (not shown in the figure) can be provided on the outer surface of the cylinder.

[0028] Furthermore, a slope 214 is provided at the connection between the guide rod 211 and the plug gauge 212, and the slope 214 is circumferentially arranged outside the guide rod 211. The slope 214 can guide the nut to stably move down to the plug gauge 212, and prevent the nut from tipping over and getting stuck at the guide rod 211 and the plug gauge 212.

[0029] Furthermore, the diameter of the clamping plate 210 is smaller than the diameter of the plug gauge 212 .

[0030] Furthermore, the slot 213 is arranged in a cross shape. The slot 213 is not limited to a cross shape, and can also be a rectangular, hexagonal, or other shape that enables the connecting rod 22 to drive the detection rod 21 to rotate.

[0031] Furthermore, the number of the detection mechanism 2 is multiple. To further improve the detection efficiency,

[0032] Furthermore, the motor 23 of each of the detection mechanisms 2 is fixedly connected to the lifting plate 4, the lifting plate 4 is fixedly connected to the hydraulic cylinder 41 installed in the workbench 1, the connecting surface between the workbench 1 and the limit rod 24 is inclined, and the bottom of the limit rod 24 is provided with a slot 26 for the nut to pass through.

[0033] After a certain number of nuts are detected, the hydraulic cylinder 41 drives the connecting rod 22 to descend through the lifting rod until it is retracted into the workbench 1. Since the clamping plate 210 is engaged with the slide plate 3, the detection rod 21 will not fall, so that the nuts that fall on the work surface can slide out along the workbench 1 through the slot 26.

[0034] Working principle: remove the slide plate 3, place the nut to be tested in the limit groove 25, and then move the slide plate 3 so that the detection rod 21 is engaged with the slide groove 31, thereby preventing the detection rod 21 from moving up; because the motor 23 drives the detection rod 21 to rotate through the connecting rod 22, and the nut is restricted by the limit groove 25 and cannot rotate, the nut moves down along the detection rod 21. When the nut passes through the detection rod 21, it indicates that the minimum limit size of the nut is qualified; after a certain number of nuts are tested, the hydraulic cylinder 41 drives the connecting rod 22 to descend through the lifting rod until it retracts into the workbench 1. Since the clamping plate 210 is engaged with the slide plate 3, the detection rod 21 will not fall, so that the nut that falls on the working surface can slide out along the workbench 1 through the slot 26.

[0035] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A precision nut performance testing tool, comprising a workbench (1), characterized in that: The machine also comprises a detection mechanism (2), the detection mechanism (2) comprising a detection rod (21) for detecting the minimum limit size of the nut, the detection rod (21) being plugged with a connecting rod (22), the connecting rod (22) passing through a through slot on the workbench (1) and being fixedly connected to an output shaft of a motor (23), the motor (23) being fixedly arranged in the workbench (1), the motor (23) driving the detection rod (21) to rotate via the connecting rod (22), and three limit rods (24) being fixedly arranged on the workbench (1), the three limit rods (24) forming a limit groove (25) for limiting the rotation of the nut; The upper end of the workbench (1) is slidably connected to a slide plate (3), the detection rod (21) is slidably connected to a slide groove (31) on the slide plate (3), and the detection rod (21) is engaged with the slide groove (31).

2. A precision nut performance testing tool according to claim 1, characterized in that: The detection rod (21) comprises a card plate (210) slidably connected to the slide groove (31); the card plate (210) is connected to a guide rod (211); the end of the guide rod (211) is connected to a plug gauge (212); the end of the plug gauge (212) is provided with a slot (213); the end of the connecting rod (22) is adapted to the slot (213) and is plugged into the slot (213).

3. A precision nut performance testing tool according to claim 2, characterized in that: A bevel (214) is provided at the connection between the guide rod (211) and the plug gauge (212), and the bevel (214) is circumferentially arranged on the outside of the guide rod (211).

4. A precision nut performance testing tool according to claim 2, characterized in that: The diameter of the clamping plate (210) is smaller than the diameter of the plug gauge (212).

5. A precision nut performance testing tool according to claim 2, characterized in that: The slot (213) is arranged in a cross shape.

6. A precision nut performance testing tool according to claim 1, characterized in that: The number of the detection mechanisms (2) is multiple.

7. A precision nut performance testing tool according to claim 6, characterized in that: The motor (23) of each of the detection mechanisms (2) is fixedly connected to a lifting plate (4), the lifting plate (4) is fixedly connected to a hydraulic cylinder (41) installed in a workbench (1), the connection surface between the workbench (1) and the limit rod (24) is arranged in an inclined manner, and a slot (26) for a nut to pass through is provided at the bottom of the limit rod (24).

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