CN219266557U

CN219266557U - Nut detection device

Info

Publication number: CN219266557U
Application number: CN202320504189.2U
Authority: CN
Inventors: 潘海波; 柏一峰
Original assignee: Guangzhou Ankuang Intelligent Equipment Technology Co ltd
Current assignee: Guangzhou Ankuang Intelligent Equipment Technology Co ltd
Priority date: 2023-03-15
Filing date: 2023-03-15
Publication date: 2023-06-27
Anticipated expiration: 2033-03-15

Abstract

The utility model discloses a nut detection device which comprises a mounting seat, wherein the mounting seat is provided with a sensor and a detection pin, the sensor is arranged on the mounting seat along a first preset direction, the detection pin is arranged on the mounting seat along a second preset direction, the detection pin can move along the second preset direction, the detection pin is provided with a circular groove and a detection surface, and the first preset direction is perpendicular to the second preset direction. During detection, under the drive of a manipulator or a robot, the mounting seat and the detection pin move along a second preset direction to be close to a part hole of a workpiece, when a nut is mounted in the part hole, the detection pin is abutted against the nut, when the manipulator or the robot continues to move forward, the detection pin is pressed to move along the second preset direction, a detection surface on the side face of the detection pin is contacted with the sensor, a detection signal is sent, the fact that the nut is mounted can be known, automatic detection of the nut is achieved, detection efficiency is improved, performance is stable and reliable, and the problem of detection efficiency in normal work is solved. The utility model is suitable for detecting nuts.

Description

Nut detection device

Technical Field

The utility model belongs to the technical field of detection devices, and particularly relates to a nut detection device.

Background

In automobile production and manufacture, a large number of nuts are often required to be welded for installing key components, such as missing welding, and when equipment is assembled, a large number of components can not be installed, so that repair and even scrapping are caused, and the manufacturing cost is increased. In the prior art, the nut detection device and manual inspection are adopted to detect whether the nut is missed to be welded or not, and the detection efficiency is low. In the nut detection device adopted in the prior art, the detection pin and the sensor are arranged on the same axis, and the detection pin is contacted with the sensor to realize detection, so that high requirements are provided for installation and part processing.

Disclosure of Invention

The utility model mainly aims to provide a nut detection device which has the advantages of simple and novel structure, optimized working efficiency, stable and reliable performance and optimized detection efficiency in normal operation.

According to a first aspect of the utility model, there is provided a nut detection device, comprising a mounting seat, wherein the mounting seat is provided with a sensor and a detection pin, the sensor is mounted on the mounting seat along a first preset direction, the detection pin is mounted on the mounting seat along a second preset direction, the detection pin can move along the second preset direction, the detection pin is provided with a circular groove for avoiding the sensor and a detection surface arranged beside the circular groove, and the first preset direction is perpendicular to the second preset direction.

In a specific embodiment of the utility model, a first through hole and a second hole connected with the first through hole are arranged on the mounting seat, the detection pin is arranged in the first through hole, a reset mechanism for driving the detection pin to reset is arranged outside the detection pin, the detection pin is provided with a detection end and a mounting end, a first limiting ring is arranged on the part of the mounting end exposed out of the first through hole, and the sensor is arranged in the second hole.

In a specific embodiment of the utility model, the reset mechanism is a reset spring sleeved outside the detection pin, one end of the reset spring is in press contact with the limit boss of the detection pin, and the other end of the reset spring is in contact with the inner wall of the mounting seat.

In a specific embodiment of the present utility model, the first through hole includes a third hole and a fourth hole, the third hole has an inner diameter larger than that of the fourth hole, a step is disposed between the third hole and the fourth hole, the mounting end is exposed after passing through the fourth hole, and one end of the return spring is in press contact with the step.

In a specific embodiment of the present utility model, the first through hole includes a fifth hole, an inner diameter of the fifth hole is larger than an inner diameter of the third hole, and a second limiting ring is disposed on the detection pin.

In a particular embodiment of the utility model, the sensor is secured in the second hole by two fasteners.

In a specific embodiment of the utility model, a buffer block is arranged on one side surface of the mounting seat, a semicircular groove avoiding the detection pin is arranged on the buffer block, and the buffer block is fixed on the side surface of the mounting seat through two bolts.

In a specific embodiment of the utility model, two connectors are arranged on the mounting seat at intervals, and the connectors are used for being mounted on the action end of the manipulator or the robot.

One of the above technical solutions of the present utility model has at least one of the following advantages or beneficial effects: according to the utility model, the detection pin and the sensor which are arranged in different shafts are arranged, when the detection is carried out, under the drive of the manipulator or the robot, the mounting seat and the detection pin move close to the part hole of the workpiece along the second preset direction, when the nut is not arranged in the part hole, the detection pin stretches into the part hole, the sensor is opposite to the circular groove, the detection pin cannot be detected, when the nut is arranged in the part hole, the detection pin is abutted against the nut, when the manipulator or the robot continues to move forwards, the detection pin is pressed to move along the second preset direction, the detection surface on the side surface of the detection pin is contacted with the sensor, and a detection signal is sent, so that the nut is known to be mounted, the automatic detection of the nut is realized, the detection efficiency is improved, the performance is stable and reliable, and the detection efficiency problem in normal work is optimized. The utility model is suitable for detecting nuts.

Drawings

The utility model is further described below with reference to the drawings and examples;

FIG. 1 is a schematic diagram of one embodiment of the present utility model;

FIG. 2 is a side view of one embodiment of the present utility model;

fig. 3 is a cross-sectional view taken along the direction A-A in fig. 2.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present utility model and are not to be construed as limiting the present utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, features defining "first" and "second" may explicitly or implicitly include one or more features.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the term "connected" should be construed broadly, and for example, it may be a fixed connection or an active connection, or it may be a detachable connection or a non-detachable connection, or it may be an integral connection; may be mechanically connected, may be electrically connected, or may be in communication with each other; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements, indirect communication or interaction relationship between the two elements.

The following disclosure provides many different embodiments, or examples, for implementing different aspects of the utility model.

Referring to fig. 1 to 3, the nut detecting device comprises a mounting seat 10, wherein the mounting seat 10 is provided with a sensor 12 and a detecting pin 11, the sensor 12 is mounted on the mounting seat 10 along a first preset direction, the detecting pin 11 is mounted on the mounting seat 10 along a second preset direction, the detecting pin 11 can move along the second preset direction, and the detecting pin 11 is provided with a circular groove 20 for avoiding the sensor 12 and a detecting surface 21 beside the circular groove 20, and the first preset direction is perpendicular to the second preset direction. The sensor 12 is externally connected with a controller, two connecting pieces 13 are arranged on the mounting seat 10 at intervals, the connecting pieces 13 are used for being mounted on the action end of a manipulator or a robot, the utility model is mounted on the manipulator or the robot, when the detection is carried out, under the drive of the manipulator or the robot, the mounting seat 10 and the detection pin 11 move close to a part hole of a workpiece along a second preset direction, when a nut is not mounted in the part hole, the detection pin 11 stretches into the part hole, the sensor 12 is opposite to the circular groove 20, the detection pin 11 cannot be detected, when the nut is mounted in the part hole, the detection pin 11 is abutted against the nut, when the manipulator or the robot continues to move forwards, the detection pin 11 is pressed along the second preset direction, the detection surface 21 on the side surface of the detection pin 11 is contacted with the sensor 12, and detection signals are transmitted, so that the nut is mounted, automatic detection of the nut is realized, the detection efficiency is improved, the performance is stable and reliable, and the detection efficiency in normal work is optimized.

In one embodiment of the present utility model, the mounting base 10 is provided with a first through hole and a second hole 22 connected with the first through hole, the axis of the first through hole is perpendicular to the axis of the second hole 22, the detection pin 11 is installed in the first through hole, a reset mechanism for driving the detection pin 11 to reset is arranged outside the detection pin 11, the detection pin 11 is provided with a detection end and a mounting end, a first limiting ring 17 is arranged at a part of the mounting end exposed out of the first through hole, and the sensor 12 is installed in the second hole 22. When the nut is installed in the part hole, the detection pin 11 is abutted against the nut, the mechanical arm or the robot continues to move forward, the detection pin 11 is pressed to move along the second preset direction, the detection surface 21 on the side face of the detection pin 11 is contacted with the sensor 12, and a detection signal is sent out, so that the fact that the nut is installed can be known, after the mechanical arm or the robot moves away the nut, the reset mechanism drives the detection pin 11 to reset along the second preset direction, the detection surface 21 is separated from the sensor 12, the sensor 12 is opposite to the circular ring groove 20, the first limiting ring 17 is abutted against the mounting seat 10, and the detection pin 11 is prevented from being separated from the first through hole.

It should be noted that, the second limiting ring may be screwed onto the mounting end through threads, or may be mounted onto the mounting end through a clamping manner.

In one embodiment of the present utility model, the return mechanism is a return spring 18 sleeved outside the detection pin 11, one end of the return spring 18 is in press contact with a limit boss 19 of the detection pin 11, and the other end of the return spring 18 is in contact with the inner wall of the mounting seat 10. Specifically, when the detection pin 11 is pressed by the nut, the return spring 18 is compressed, and after the detection pin 11 is removed from the nut, the return spring 18 drives the detection pin 11 to return under the action of elastic force, so that the detection surface 21 and the sensor 12 are separated.

In one embodiment of the present utility model, the first through hole includes a third hole 24 and a fourth hole 23, the inner diameter of the third hole 24 is larger than the inner diameter of the fourth hole 23, a step is disposed between the third hole 24 and the fourth hole 23, the mounting end passes through the fourth hole 23 and is exposed, and one end of the return spring 18 is in pressing contact with the step, so that the mounting of the detection pin 11 and the return spring 18 is facilitated.

In one embodiment of the present utility model, the first through hole includes a fifth hole 25, an inner diameter of the fifth hole 25 is larger than an inner diameter of the third hole 24, a second limiting ring is disposed on the detection pin 11, and when the detection pin 11 abuts against the nut and is driven to move along the second preset direction, the second limiting ring can contact with steps of the third hole 24 and the fifth hole 25, so as to prevent the detection pin 11 from moving and prevent the reset spring 18 from being excessively compressed. The second stopper ring also serves to limit the movement stroke of the detection pin 11.

In one embodiment of the utility model, the sensor 12 is secured within the second bore 22 by two fasteners 14 that allow for quick installation of the sensor 12 into the second bore 22.

In one embodiment of the present utility model, a buffer block 15 is disposed on a side surface of the mounting base 10, a semicircular groove for avoiding the detection pin 11 is disposed on the buffer block 15, and the buffer block is fixed on the side surface of the mounting base 10 through two bolts 16, so as to prevent the mounting base 10 from colliding with the workpiece to be detected and damaging the workpiece to be detected.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims

1. Nut detection device, its characterized in that, including the mount pad, the mount pad is equipped with sensor and detection round pin, the sensor is installed on the mount pad along first direction of predetermineeing, the detection round pin is installed on the mount pad along the second direction of predetermineeing, the detection round pin can be followed the second and predetermineeing the direction and remove, be provided with on the detection round pin and dodge the ring groove of sensor with set up the detection face of ring inslot side, first direction and second are predetermineeing the direction perpendicular.

2. The nut detecting device according to claim 1, wherein the mounting base is provided with a first through hole and a second hole connected with the first through hole, the detecting pin is installed in the first through hole, a reset mechanism for driving the detecting pin to reset is arranged outside the detecting pin, the detecting pin is provided with a detecting end and a mounting end, a first limiting ring is arranged on a portion of the mounting end exposed out of the first through hole, and the sensor is installed in the second hole.

3. The nut detecting device according to claim 2, wherein the reset mechanism is a reset spring sleeved outside the detecting pin, one end of the reset spring is in press contact with the limit boss of the detecting pin, and the other end of the reset spring is in contact with the inner wall of the mounting seat.

4. The nut detecting device according to claim 3, wherein the first through hole includes a third hole and a fourth hole, an inner diameter of the third hole is larger than an inner diameter of the fourth hole, a step is provided between the third hole and the fourth hole, the mounting end is exposed after passing through the fourth hole, and one end of the return spring is in press contact with the step.

5. The nut detecting device as defined in claim 4, being characterized in that said first through hole includes a fifth hole having an inner diameter larger than an inner diameter of the third hole, and said detecting pin is provided with a second stopper ring.

6. The nut detection device of claim 2, wherein the sensor is secured within the second bore by two fasteners.

7. The nut detecting device according to claim 1, wherein a buffer block is provided on a side surface of the mounting base, a semicircular groove for avoiding the detecting pin is provided on the buffer block, and the buffer block is fixed on the side surface of the mounting base by two bolts.

8. The nut detecting device according to claim 1, wherein two connecting pieces are arranged on the mounting base at intervals, and the connecting pieces are used for being mounted on the action end of a manipulator or a robot.