Automatic detection and calibration device for screw threads

Abstract

The utility model discloses a screw thread automatic detection and calibration device which comprises a servo motor, and the output end of the servo motor is provided with a torsion sensor. The bearing mechanism is located at the other end of the torsion sensor; the bearing mechanism is fixedly connected to the shaft bracket plate; the shaft bracket plate is connected to the bearing mechanism linear guide rail in a sliding manner; one end of the micrometer is provided with a clamping mechanism, and the other end of the clamping mechanism is provided with an assembly body. The hexagon socket cap screw is mounted in the assembly body; and the screwing and clamping mechanism is positioned below the assembly body. Compared with the prior art, the utility model has the advantages that the screw and the threaded block can be accurately positioned through the driving of the servo motor, the torsion is detected by the torsion sensor, the product and the measuring tool cannot be damaged in the automatic detection process, and the operation is stable and mute; the labor intensity is reduced, and the detection efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to screw detection technical field, specifically a screw thread automatic detection calibration device. BACKGROUND

[0002] In industrial production, screw thread as the link of connecting industrial components, its quality directly concerns the stability and reliability of parts, products and production line. When industrial products or parts need to be connected by multiple screw threads, the pass and stop, depth and other aspects of the thread hole of the parts should be detected before assembly to avoid the situation that the screw is not screwed in or screwed in place. In real operation, the measurement of screw thread quality often depends on manual work, which is not only low in efficiency, but also difficult to control the accuracy. In the face of large-scale production demand, the traditional measurement method has become a hidden shackles restricting production efficiency. And affected by multiple factors such as material, processing technology and equipment precision, errors are inevitable in the process of manual screw thread detection, which may become a potential threat to product quality, and even cause unpredictable labor cost.

[0003] To solve the above problems, the utility model provides a screw thread automatic detection calibration device.

[0004] The information disclosed in this background section is intended only to increase an understanding of the general background of the present utility model and should not be construed as an acknowledgment or any form of suggestion that this information constitutes prior art with respect to the present utility model. UTILITY MODEL CONTENT

[0005] The technical problem to be solved by the utility model is to overcome the above technical defects, provide a screw thread automatic detection calibration device, which can realize accurate positioning of the screw and the thread block through the driving of the servo motor, detect the size of the torque by the torque sensor, realize that the product and the measuring tool will not be damaged in the automatic detection process, run stably and quietly; The qualified rate of screw thread detection can be 100%, without error; Labor intensity is reduced, detection efficiency is improved, and product qualified rate is improved; The equipment is simple to operate, and the servo configuration has high precision.

[0006] To solve the above problems, the technical scheme of the utility model is as follows: a screw thread automatic detection calibration device, comprising:

[0007] A servo motor is provided with a torque sensor at the output end of the servo motor;

[0008] A bearing mechanism is located at the other end of the torque sensor;

[0009] The bearing mechanism is fixedly connected to the shaft support plate;

[0010] The shaft support plate is slidably connected to the bearing mechanism linear guide rail;

[0011] The micrometer is provided with a clamping mechanism at one end, and the clamping mechanism is provided with an assembly body at the other end.

[0012] The inner hexagonal cylinder head screw is installed inside the assembly body.

[0013] The screw clamping mechanism is located below the assembly body.

[0014] Further, the shaft support plate is provided with a support at the upper end, and the servo motor is fixedly connected to the upper end of the support.

[0015] Further, the servo motor is provided with a shaft connected to the torsion sensor.

[0016] Further, the bearing mechanism linear guide rail is fixedly connected to one end of the base plate.

[0017] Further, the torsion sensor is provided with a shaft connected to the bearing mechanism at one end.

[0018] The utility model has the advantages that compared with the prior art, the utility model has the advantages that:

[0019] (1) The utility model discloses a servo motor drive can realize the accurate positioning of screw and screw thread block, and the size of the torque is detected by the torque sensor, so that the product and the measuring tool are not damaged in the automatic detection process, and the operation is stable and silent. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a perspective view of a screw thread automatic detection and calibration device.

[0021] As shown in the figure: 1, servo motor;2, torque sensor;3, bearing mechanism;4, micrometer;5, clamping mechanism;6, screw clamping mechanism;7, shaft support plate;8, bearing mechanism linear guide rail;9, assembly body;10, inner hexagonal cylinder head screw. DETAILED DESCRIPTION

[0022] The specific embodiments of the utility model will be further described below in combination with the drawings. Wherein the same parts are indicated by the same reference numerals.

[0023] It should be noted that the words "front", "back", "left", "right", "up" and "down" used in the following description refer to the directions in the drawings, and the words "in" and "out" refer to the directions towards or away from the geometric center of a particular component.

[0024] In order to make the content of the utility model more easily be clearly understood, the technical scheme in the utility model embodiment will be clearly and completely described below in combination with the drawings in the utility model embodiment.

[0025] Embodiment one

[0026] As Figure 1 shown, a screw thread automatic detection and calibration device, including servo motor 1, servo motor 1 output end installs torsion sensor 2, specifically, servo motor 1 is connected with torsion sensor 2 through shaft, shaft support plate 7 upper end installs support, servo motor 1 is fixedly installed on the upper end of support.

[0027] Bearing mechanism 3 is located at the other end of torsion sensor 2, torsion sensor 2 is connected with bearing mechanism 3 through shaft, bearing mechanism 3 is fixedly connected on shaft support plate 7, shaft support plate 7 is slidingly connected on bearing mechanism linear guide 8, bearing mechanism linear guide 8 is fixedly installed on base plate, realizing the uniform speed movement and rotation of driving shaft.

[0028] Bearing mechanism 3 is connected with micrometer 4 through shaft, micrometer 4 measures and calibrates the position of shaft, one end of micrometer 4 is installed clamping mechanism 5, the other end of clamping mechanism 5 is installed assembly body 9, clamping mechanism 5 is installed and disassembled internal hexagonal cylinder head screw 10 to be detected through assembly body 9, internal hexagonal cylinder head screw 10 is fixed and is screwed into and screwed out with standard thread block of screwing clamping mechanism 6, so as to realize the overall connection of the device.

[0029] In specific use, the utility model working principle is: the internal hexagonal cylinder head screw 10 installed in the clamping mechanism 5 is automatically screwed into and screwed out with the standard thread block installed in the screwing clamping mechanism 6, and the superior screw thread is smooth and not jammed in the process of screwing in and out, and the inferior screw thread will appear jammed and not smooth in the process of screwing in and out, thereby realizing the automatic detection of screw thread. Clamping mechanism 5 is controlled by servo motor 1, torsion sensor 2, bearing mechanism 3 and micrometer 4. Start servo motor 1, drive torsion sensor 2 to work through motor, detect the torque of servo motor 1, ensure that the product and measuring tool are not damaged, torsion sensor 2 controls bearing mechanism 3, bearing mechanism 3 realizes uniform speed movement by the driving of internal bearing, spring shaft and equipment bottom bearing mechanism linear guide 8, bearing mechanism 3 is connected with clamping mechanism 5 through micrometer 4, micrometer 4 controls the horizontal and up and down of internal hexagonal cylinder head screw 10, realizes the accurate butt joint with screwing clamping mechanism 6. Clamping mechanism 5 moves forward and backward through linear slide rail to realize the installation and removal of internal hexagonal cylinder head screw 10, and is fixed by tightening semicircle. By controlling switch, the fixed internal hexagonal cylinder head screw 10 is automatically screwed into and screwed out with the standard thread block in the screwing clamping mechanism 6, realizing the automatic detection and automatic calibration of screw thread.

[0030] The above describes the present application and its embodiments, which are not restrictive, and the drawings only show one of the embodiments of the present application, and the actual structure is not limited thereto. In summary, if a person skilled in the art is inspired, without departing from the spirit of the present application, without creative design, similar structure and embodiments of the technical solution, which should belong to the protection scope of the present application.

Claims

1. A device for automatic detection and calibration of screw threads, characterized in that, Include: Servo motor (1), the servo motor (1) output end is equipped with torsion sensor (2); Bearing mechanism (3), the bearing mechanism (3) is located at the other end of torsion sensor (2); Shaft support plate (7), the bearing mechanism (3) is fixedly connected to shaft support plate (7); Bearing mechanism linear guide (8), the shaft support plate (7) is slidingly connected to bearing mechanism linear guide (8); Micrometer (4), one end of the micrometer (4) is equipped with clamping mechanism (5), the other end of the clamping mechanism (5) is equipped with assembly body (9); Allen head screw (10), the Allen head screw (10) is installed inside the assembly body (9); Screw clamping mechanism (6), the screw clamping mechanism (6) is located below the assembly body (9).

2. The automatic detection and calibration device for screw thread according to claim 1, characterized in that: The upper end of the shaft support plate (7) is provided with a support, and the servo motor (1) is fixedly connected to the upper end of the support.

3. The automatic detection and calibration device for screw thread according to claim 1, characterized in that: The servo motor (1) is provided with a shaft connected to the torsion sensor (2).

4. The automatic detection and calibration device for screw thread according to claim 1, characterized in that, Further comprising a base plate, one end of the bearing mechanism linear guide (8) is fixedly connected to the base plate.

5. The automatic detection and calibration device for screw thread according to claim 1, characterized in that: One end of the torsion sensor (2) is provided with a shaft connected to the bearing mechanism (3).

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