CN114018604A - Automobile steering knuckle detection device and detection method thereof - Google Patents

Abstract

The invention relates to a device and a method for detecting a steering knuckle of an automobile, wherein the steering knuckle is fixedly arranged through a steering knuckle support column in a support assembly, a second air cylinder in a lifting mechanism drives a jacking piece connected with the second air cylinder to move so as to drive the steering knuckle connected with the jacking piece to move until the height position of the steering knuckle is matched with that of the detection device, a sliding mechanism connected with the first air cylinder is driven to move through a first air cylinder in a moving mechanism so as to drive a support plate to move so as to drive the steering knuckle on the steering knuckle support column connected with the support plate to move until the horizontal position of the detection device is matched, a third motor in a rotating assembly drives a conveying mechanism connected with the third air cylinder to rotate so as to drive a rotating rod to rotate, the rotating plate connected with the rotating rod is driven to rotate, the detection device arranged on the rotating plate is driven to rotate, and the comprehensive scanning detection of the steering knuckle is realized, the invention realizes the comprehensive detection of the steering knuckle, greatly improves the detection efficiency and further saves the detection cost.

Description

Automobile steering knuckle detection device and detection method thereof

Technical Field

The invention relates to an automobile part detection device, in particular to an automobile steering knuckle detection device and a detection method thereof.

Background

Before an automobile is assembled, various parts of the automobile are firstly detected to improve the assembling quality of the automobile, an automobile steering knuckle is one of important parts in an automobile steering axle, the quality of the automobile steering knuckle directly influences the running stability of the automobile, and the damage of the automobile steering knuckle is detected before the automobile steering knuckle is assembled to ensure the stability of the assembled automobile steering knuckle when the automobile moves.

At present, in the process of detecting the automobile steering knuckle, a part is clamped and fixed, the part is detected by using a shot detection device, and the detection device is incomplete in detection of the steering knuckle due to the fact that a blind area with a detection range exists in the detection device, so that the detection precision of the steering knuckle is not high, the assembly efficiency is influenced, and the rework time is prolonged.

Disclosure of Invention

The purpose of the invention is as follows: the invention provides a device for detecting an automobile steering knuckle and further provides a detection method based on the device, so as to solve the problems in the prior art.

The technical scheme is as follows: an automobile steering knuckle detection device comprises a rotating assembly and a supporting assembly.

The rotating assembly comprises a support frame erected on the support seat, a rotating mechanism arranged on the support frame, and a detection device rotating along with the rotating mechanism; the support assembly is arranged on the support frame and comprises a support plate and a steering knuckle support column which is connected with the support plate and used for fixing a steering knuckle; the automobile steering knuckle is fixedly placed on a supporting column of the steering knuckle, the rotating mechanism arranged on the steering knuckle is fixedly arranged on the supporting frame, the rotating mechanism drives the detecting device connected with the rotating mechanism to rotate, so that circumferential detection scanning of the steering knuckle is realized, comprehensive damage detection of the steering knuckle is realized, the detection precision is further improved, the assembly time is saved, and the rework cost is reduced.

In a further embodiment, the detection device further comprises a moving mechanism, which comprises a first power module fixedly arranged on the support seat, and a sliding mechanism, one end of which is connected with the support plate, the other end of which is connected with the first power module, and the sliding mechanism drives the support plate to move along with the first power module; when the knuckle is fixedly placed on the knuckle support column, the first power module drives the sliding mechanism connected with the first power module to move, then the support plate arranged on the sliding mechanism is driven to slide to move, then the support assembly arranged on the support plate is driven to move, the support assembly moves and then drives the knuckle fixedly arranged on the support assembly to move, and then the knuckle is moved to a preset position detected by the detection device, the detection efficiency and precision are further improved, and the detection time is saved.

In a further embodiment, the slide mechanism symmetry sets up to 2 groups, sets up respectively the both sides of backup pad are used for driving the backup pad slides, and first power module drives one of them set of slide mechanism who is connected with it and removes, and then drives the backup pad of being connected with slide mechanism and removes, and then drives another set of slide mechanism who is connected with the backup pad and removes, the stability of further improvement backup pad, and then the stability of knuckle motion is improved, further improvement detection efficiency, the time of saving the detection.

In a further embodiment, the knuckle support post is hollow to support the knuckle thereon for further cost savings.

In a further embodiment, the detection device further comprises a lifting mechanism, wherein the lifting mechanism comprises a second power module arranged below the supporting plate, and a jacking piece, one end of the jacking piece is connected with the second power module, the jacking piece penetrates through the steering knuckle supporting column in a sliding mode, and the jacking piece moves along with the second power module to lift the steering knuckle; when the fixed knuckle height of placing on the knuckle support column and detection device mismatch, the jacking piece that the second power module drive is connected with it reciprocates, and then drives the knuckle of being connected with jacking piece and reciprocates, and up to the detection position phase-match with detection device, and then realize the accurate detection to the knuckle, improve the precision that detects.

In a further embodiment, the detection device further comprises a position detector arranged on the support plate and used for detecting the placing position of the steering knuckle, the steering knuckle is fixedly placed on the steering knuckle support column according to a preset angle, the position detector cannot give an alarm, when the angle of the steering knuckle is not placed on the steering knuckle support column according to the preset angle, the alarm sound is given, the detection precision is further improved, and the steering knuckle is accurately detected.

In a further embodiment, the rotating mechanism comprises a fixed plate fixedly connected with the upper end of the support frame and used for supporting the rotating mechanism, a third power module connected with the fixed plate, a rotating rod connected with the third power module and penetrating through the support plate and used for rotating along with the movement of the third power module, and a rotating plate which is arranged on one side of the fixed plate at a preset distance and connected with the rotating rod and used for driving the detection device arranged on the rotating plate to rotate; when detecting the knuckle, the third power module drives the rotating part connected with the third power module to rotate, the rotating rod rotates to drive the rotating plate connected with one end of the rotating rod to rotate, and then the detecting device arranged on the rotating plate is driven to rotate, so that the detecting device can comprehensively scan and detect the knuckle, the detecting precision is further realized, and the detecting efficiency is improved.

In a further embodiment, slewing mechanism still includes drive mechanism, one side with third power module connects, just the dwang through connection is in its opposite side, is used for driving the dwang rotates, and drive mechanism is the double gear structure, and third power module drives the driving gear of being connected with it and rotates, and the rotation of driving gear and then drive the driven gear who is connected with it and rotate, and then drives the dwang of connecting on driven gear and rotate, and then drives the rotor plate of being connected with the dwang and rotate, and then drives detection device and rotate, and then improves detection device pivoted precision, improves the efficiency that detects.

A method for detecting an automobile steering knuckle is characterized by comprising the following steps: the method comprises the following steps:

s1, placing the knuckle to be tested on the knuckle on the supporting assembly, and detecting the placement of the knuckle by the position detector to enable the knuckle to be in a preset position;

s2, a first cylinder in the moving mechanism drives a sliding mechanism connected with the first cylinder to move back and forth, further drives a supporting plate in the supporting component to move back and forth, further drives a knuckle supporting column arranged on the supporting component to move back and forth, and further drives a knuckle fixedly arranged on the knuckle supporting column to move back and forth until the position of the knuckle is matched with that of the detection device;

s3, a second air cylinder in the lifting mechanism drives a jacking piece connected with the second air cylinder to move up and down, further drives a steering knuckle connected with the jacking piece to move up and down, the steering knuckle is matched with the height position of the detection device, a third motor in the rotating mechanism drives a driving gear connected with the third motor to rotate, further drives a driven gear connected with the driving gear to rotate, further drives a rotating rod connected with the driven gear to rotate, further drives a rotating plate connected with the rotating rod to rotate, further drives the detection device connected to the rotating plate to rotate circumferentially, further realizes the detection of the workpiece placed on the supporting assembly, and after the detection is finished, a new workpiece is placed again;

and S4, and the like, repeating the work from S1 to S3 in sequence until the system stops working.

Has the advantages that: the invention relates to an automobile steering knuckle detection device and a detection method thereof, and the automobile steering knuckle detection device comprises a rotating component, a supporting component, a moving mechanism and a lifting mechanism, wherein a steering knuckle is fixedly placed through a steering knuckle supporting column in the supporting component, a second air cylinder in the lifting mechanism drives a jacking piece connected with the second air cylinder to move up and down so as to drive the steering knuckle connected with the jacking piece to move up and down until the steering knuckle is matched with the height position of the detection device, a sliding mechanism connected with the first air cylinder in the moving mechanism is driven to move through a first air cylinder in the moving mechanism so as to drive a supporting plate to move, further the steering knuckle on the steering knuckle supporting column connected with the supporting plate is driven to move until the steering knuckle is matched with the horizontal position of the detection device, a third motor in the rotating component drives a transmission mechanism connected with the third air cylinder to rotate so as to drive a rotating rod to rotate, the device further drives the rotating plate connected with the rotating rod to rotate, and further drives the detection device arranged on the rotating plate to rotate, so that the comprehensive scanning detection of the steering knuckle is realized.

Drawings

FIG. 1 is a schematic view of the general structural assembly of the present invention;

FIG. 2 is a schematic view of a rotating assembly according to the present invention;

FIG. 3 is a schematic view of the support assembly and position detector configuration of the present invention;

FIG. 4 is a schematic structural diagram of a moving mechanism according to the present invention;

FIG. 5 is a schematic view of a connection structure of the lifting mechanism and the supporting member according to the present invention.

The figures are numbered: the device comprises a supporting seat 1, a moving mechanism 2, a first air cylinder 2a, a connecting piece 2b, a moving plate 2c, a sliding block 2d, a guide rail 2e, a position detector 3, a steering knuckle 4, a detection device 5, a rotating mechanism 6, a third motor 6a, a rotating rod 6b, a gear assembly 6c, a fixed plate 6d, a rotating plate 6e, a supporting frame 7, a supporting assembly 8, a supporting plate 8a, a steering knuckle supporting column 8b, a lifting mechanism 9, a jacking piece 9a and a second air cylinder 9 b.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the invention.

The applicant thinks that when detecting the automobile steering knuckle 4 part at present, the steering knuckle 4 to be detected is fixedly clamped in the clamping assembly, and is shot to the detector arranged on two sides of the steering knuckle 4 to realize the detection of the steering knuckle 4, but when detecting, the problem of incomplete detection of a workpiece is easily caused by the detection blind area of the detector, so that the poor and reworking of subsequent assembly can be influenced, and the assembly progress is seriously influenced.

Therefore, the applicant designs a device 5 for detecting the automobile steering knuckle 4 and a detection method thereof, the supporting component 8 is used for fixedly placing the steering knuckle 4, the position of the steering knuckle 4 is adjusted through the moving mechanism 2 and the lifting mechanism 9 to be matched with the position of the detection device 5, and the rotating component drives the detection device 5 to perform circumferential scanning, so that the comprehensive detection of the steering knuckle 4 is realized, the detection precision is greatly improved, and the assembly time is saved.

The invention relates to a detection device 5 for an automobile steering knuckle 4, which comprises a rotating assembly and a supporting assembly 8, wherein the rotating assembly comprises a supporting frame 7 erected on a supporting seat 1, a rotating mechanism 6 arranged on the supporting frame 7, and the detection device 5 rotating along with the rotating mechanism 6, the supporting assembly 8 is arranged on the supporting frame 7 and comprises a supporting plate 8a and a steering knuckle 4 supporting column which is connected with the supporting plate 8a and used for fixing the steering knuckle 4; when detecting knuckle 4, fixedly placing knuckle 4 on knuckle 4 support column, slewing mechanism 6 drives detection device 5 of being connected with it and carries out the circumferential rotation, and then realizes the comprehensive scanning to knuckle 4 and surveys, has solved among the prior art problem that detection device 5 has the detection blind area, and further improvement detects the precision, saves the time of detecting, and further reduction reworking time improves work efficiency.

In order to match different positions of the steering knuckle 4 and the detection device 5 and improve the detection precision and efficiency, the detection device 5 further comprises a moving mechanism 2, wherein the moving mechanism 2 comprises a first power module fixedly arranged on the support seat 1, the first power module in the embodiment is a first air cylinder 2a, and a sliding mechanism, one end of the sliding mechanism is connected with a support plate 8a, the other end of the sliding mechanism is connected with the first air cylinder 2a, and the sliding mechanism moves along with the first air cylinder 2a to drive the support plate 8a to move; when the position of a steering knuckle 4 fixedly placed on a supporting column of the steering knuckle 4 deviates from the horizontal position of a detection device 5, a first air cylinder 2a drives a connecting piece 2b connected with the first air cylinder to move back and forth, the connecting piece 2b moves to drive a moving plate 2c connected with the first air cylinder to move back and forth along a guide rail 2e arranged below the connecting piece, the moving plate 2c moves to drive a supporting plate 8a fixedly connected with the moving plate to move back and forth, the supporting plate 8a moves to drive a supporting column of the steering knuckle 4 arranged on the supporting plate 8a to move back and forth, and further the steering knuckle 4 fixedly placed on the supporting plate is driven to move back and forth until the detecting position of the detection device 5 is matched, so that the best detection effect is achieved, the detection precision is further improved, and the detection cost is greatly saved.

In order to ensure the motion stability of the sliding mechanism and further realize the motion stability of the steering knuckle 4, the sliding mechanisms are symmetrically arranged into 2 groups and are respectively arranged at two sides of the supporting plate 8a, when the first cylinder 2a drives the connecting piece 2b in the group of sliding mechanisms connected with the first cylinder to move, the moving plate 2c connected with the connecting piece 2b is further driven to move along the guide rail 2e, the moving plate 2c is further driven to move to drive the supporting plate 8a connected with the moving plate 2c to move, and the supporting plate 8a is further driven to move to drive the other moving plate 2c connected with the moving plate to move along the other guide rail 2e, so that the motion stability of the supporting plate 8a is further improved, the problem that the steering knuckle 4 falls off is solved, the detection efficiency is greatly improved, and the detection cost is saved.

In order to adjust the height of the steering knuckle 4 fixedly placed on the supporting column of the steering knuckle 4, the supporting column of the steering knuckle 4 is hollow, the detection device 5 further comprises a lifting mechanism 9, wherein the lifting mechanism 9 further comprises a second power module, the second power module in the embodiment is a second air cylinder 9b, and a jacking piece 9a, one end of the jacking piece is connected with the second air cylinder 9b, and the jacking piece slidably penetrates through the supporting column of the steering knuckle 4 and moves along with the second air cylinder 9b to realize the lifting movement of the steering knuckle 4; when the height that knuckle 4 was placed highly did not match with detection device 5's height, the second cylinder 9b drives the jacking piece 9a of being connected with it and reciprocates between hollow 4 support columns of knuckle, the reciprocating of jacking piece 9a and then drive the knuckle 4 that sets up above it and reciprocate, until with detection device 5's high position phase-match, and then realize 4 detection to knuckle, improve the precision that detects, great saving detection time, and the improvement work efficiency.

In order to improve the accuracy of the placing position of the steering knuckle 4, the detection device 5 further comprises a position detector 3 arranged on the supporting plate 8a and used for detecting the placing position of the steering knuckle 4, when the steering knuckle 4 is detected, the steering knuckle 4 is placed on a supporting column of the steering knuckle 4, the position detector 3 arranged on one side of the supporting column detects the position of the steering knuckle 4 at the moment, if the position of the steering knuckle 4 accords with the preset placing position of the steering knuckle 4, a detection assembly starts to detect the steering knuckle 4, if the position of the steering knuckle 4 does not accord with the preset angle, the position detector 3 can send out alarm sound to prompt a worker to adjust again, the accuracy of the detection of the steering knuckle 4 is further improved, the follow-up reworking time is greatly saved, the detection cost is saved, and the working efficiency is improved.

In order to realize the overall scanning of the steering knuckle 4 and improve the detection precision and efficiency, the rotating mechanism 6 comprises a fixed plate 6d fixedly connected with the upper end of the support frame 7 and used for supporting the rotating mechanism 6, and a third power module connected with the fixed plate 6d, the third power module in the embodiment is a third motor 6a, a rotating rod 6b connected with the third motor 6a and penetrating through the support plate 8a and used for rotating along with the movement of the third motor 6a, and a rotating plate 6e arranged on one side of the fixed plate 6d at a preset distance and connected with the rotating rod 6b and used for driving the detection device 5 arranged thereon to rotate, when the height position and the horizontal position of the steering knuckle 4 and the detection device 5 are adjusted, the third motor 6a drives the rotating rod 6b connected with the rotating rod to rotate, the rotating plate 6e connected with the rotating rod 6b is driven to rotate by the rotation of the rotating rod 6b, and then drive the rotation piece of being connected with it and rotate, the rotation of rotating the piece and then drive detection device 5 of being connected with it and rotate, detection device 5's rotation and then realize carrying out the circumference to the knuckle 4 that sets up under it and detect, and then realize the comprehensive scanning to knuckle 4, great improvement detects the efficiency, avoids the blind area that detects, great improvement detection precision.

In order to further improve the motion precision of the detection device 5 and improve the detection stability, the rotating mechanism 6 further comprises a transmission mechanism, wherein the transmission mechanism is a gear assembly 6c respectively composed of a driving gear and a driven gear, wherein the driving gear is connected with a third motor 6a, the driven gear is engaged with the driving gear, a rotating rod 6b is connected with the driven gear, when the third motor 6a drives the driving gear connected with the third motor to rotate, the driving gear drives the driven gear connected with the driving gear to rotate, the driven gear drives the rotating rod 6b connected with the driven gear to rotate, the rotating rod 6b rotates to further drive the rotating plate 6e connected with the rotating rod to rotate, and further drives the detection device 5 connected with the rotating plate 6e to rotate, thereby realizing the stability of the detection motion of the knuckle 4 and improving the detection precision of the detection device 5, the efficiency of detection is greatly improved, follow-up rework time is saved, and the detection cost is saved.

On the basis of the detection device 5, the invention provides a detection method of the detection device 5 of the automobile steering knuckle 4, which comprises the following specific steps:

firstly, placing a steering knuckle 4 to be detected on a steering knuckle 4 supporting column on a supporting component 8, and detecting the placement of the steering knuckle 4 by a position detector 3 to enable the steering knuckle 4 to be in a preset position;

then, the first cylinder 2a in the moving mechanism 2 drives the connecting piece 2b in the sliding mechanism connected with the first cylinder to move, and further drives the moving plate 2c connected with the connecting piece 2b to move along the guide rail 2e, and further drives the supporting plate 8a connected with the moving plate 2c to move back and forth, and the movement of the supporting plate 8a further drives the other group of sliding mechanisms connected with the supporting plate to move back and forth, and further drives the supporting column of the knuckle 4 arranged on the supporting component 8 to move back and forth, and further drives the knuckle 4 fixedly arranged on the supporting column of the knuckle 4 to move back and forth until the positions of the knuckle 4 are matched with the position of the detecting device 5;

then, a second air cylinder 9b in the lifting mechanism 9 drives a jacking piece 9a connected with the jacking piece to move up and down in a hollow steering knuckle 4 supporting column, so as to drive the steering knuckle 4 connected with the jacking piece 9a to move up and down until the height position of the jacking piece is matched with that of the detection device 5, a third motor 6a in the rotating mechanism 6 drives a driving gear connected with the rotating mechanism to rotate, so as to drive a driven gear connected with the driving gear to rotate, further drive a rotating rod 6b connected with the driven gear to rotate, further drive a rotating plate 6e connected with the rotating rod 6b to rotate, further drive the detection device 5 connected with the rotating plate 6e to circumferentially rotate, further realize the comprehensive detection of the steering knuckle 4 placed on the supporting component 8, and put a new workpiece again after the detection is finished;

and repeating the actions in sequence by analogy until the system stops working.

As noted above, while the present invention has been shown and described with reference to certain preferred embodiments, it is not to be construed as limited thereto. Various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (9)

1. The utility model provides an automobile steering knuckle detection device which characterized by includes:

the rotating assembly comprises a support frame erected on the support seat, a rotating mechanism arranged on the support frame, and a detection device rotating along with the rotating mechanism;

the supporting component is arranged on the supporting frame and comprises a supporting plate and a steering knuckle supporting column which is connected with the supporting plate and used for fixing a steering knuckle.

2. The knuckle detection device according to claim 1, wherein: the detection device further comprises a moving mechanism comprising:

the first power module is fixedly arranged on the supporting seat;

and one end of the sliding mechanism is connected with the supporting plate, the other end of the sliding mechanism is connected with the first power module, and the sliding mechanism follows the first power module to drive the supporting plate to move.

3. The knuckle detection device according to claim 2, wherein: the sliding mechanisms are symmetrically arranged into 2 groups and are respectively arranged on two sides of the supporting plate and used for driving the supporting plate to slide.

4. The knuckle detection device according to claim 3, wherein: the knuckle support column is hollow.

5. The knuckle detection device according to claim 4, wherein: the detection device further comprises a lifting mechanism, comprising:

the second power module is arranged below the supporting plate;

and one end of the jacking piece is connected with the second power module, penetrates through the steering knuckle support column in a sliding mode, and follows the second power module to move to lift the steering knuckle.

6. The knuckle detection device according to claim 5, wherein: the detection device further comprises a position detector which is arranged on the supporting plate and used for detecting the placing position of the steering knuckle.

7. The knuckle detection device according to claim 6, wherein: the rotating mechanism includes:

the fixing plate is fixedly connected with the upper end of the supporting frame and used for supporting the rotating mechanism;

the third power module is connected with the fixed plate;

the rotating rod is connected with the third power module, penetrates through the supporting plate and is used for rotating along with the movement of the third power module;

the rotating plate is arranged on one side of the fixed plate at a preset distance and is connected with the rotating rod, and the rotating plate is used for driving the detection device arranged on the rotating plate to rotate.

8. The knuckle detection device according to claim 7, wherein: slewing mechanism still includes drive mechanism, one side with the third power module is connected just the dwang through connection is in its opposite side for drive the dwang rotates.

9. The detecting method of the automobile steering knuckle detecting device according to any one of claims 1 to 8, characterized in that: the method comprises the following steps:

s1, placing the workpiece to be detected on the supporting component, and detecting the placement of the workpiece by the position detector to enable the workpiece to be in a preset position;

s2, the moving mechanism drives the supporting component to move, and further drives the workpiece arranged on the supporting component to move, so that the workpiece is matched with the position of the detection device;

s3, the rotating mechanism drives the detection device connected with the rotating mechanism to rotate circumferentially, so that the workpiece placed on the supporting assembly is detected, and a new workpiece is placed again after the detection is finished;

and S4, and the like, repeating the work from S1 to S3 in sequence until the system stops working.

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