CN205619896U - A detection device for formed oil pipe - Google Patents

Abstract

The utility model relates to a detection device for a formed oil pipe, which includes a six-degree-of-freedom mechanical arm fixedly installed at the lower end, and a multifunctional support fixed around the six-degree-of-freedom mechanical arm and matched with the six-degree-of-freedom mechanical arm. A flange connecting plate is installed on the flange plate at the upper end of the six-degree-of-freedom mechanical arm, and a sliding table is installed on the other end of the flange connecting plate, and a mounting plate is slidably fitted on the sliding table, and the mounting plate is far away from One end of the slide table is fixed with a laser profiler by bolts, and a profiler protective cover is also fixed on the mounting plate by bolts, and a shading plate is fixed on the laser profiler. The utility model can ensure the accuracy and high efficiency of the outer diameter of the formed oil pipe and the angle detection precision of the bend. It can accurately measure the outer diameter and angle of the formed oil pipe with a laser profiler, and automatically calculate the actual value of the outer diameter and angle of the formed oil pipe. The system automatically compares with the theoretical value to judge whether it is within the allowable error within range.

Description

A detection device for formed oil pipe

technical field

The utility model relates to the technical field of oil pipe detection equipment, in particular to a detection device for formed oil pipes.

Background technique

With the rapid development of modern industry, the requirements for industrial automation are getting higher and higher. Especially in the inspection of automotive formed oil pipes, visual inspection of the appearance cannot judge whether the accuracy of the oil pipes meets the requirements. At this time, the efficiency of workers in inspecting oil pipes is not high, and automation technology is often used to replace on-site workers to reduce industrial labor intensity, reduce costs and improve detection accuracy. The traditional oil pipe detection method is magnetic flux leakage detection. The magnetic flux leakage detection method can detect whether the oil pipe is damaged, but it cannot detect whether the outer diameter of the oil pipe and the angle at the bend meet the accuracy requirements, nor can it adapt to the automatic change of the outer diameter. Not to a high degree. Therefore, it is particularly important to develop a detection device for automobile formed oil pipes. There are many disadvantages in the traditional oil pipeline detection device, for example, the degree of automation is not high, and the detection accuracy is low. The patent with the publication number CN201600118U discloses an oil pipe detection device, which has the advantage of providing an oil pipe detection device that can automatically adapt to changes in the outer diameter of the oil pipe to ensure the integrity of the detection. However, the degree of automation of the above-mentioned patents is not high enough, the detection accuracy is not high, and the detection of irregular oil pipes cannot be realized.

Contents of the invention

Aiming at the defects of the above-mentioned technologies, the utility model proposes a detection device for formed oil pipes.

A detection device for formed oil pipes includes a six-degree-of-freedom mechanical arm fixedly installed at the lower end, and a multi-functional support fixed around the six-degree-of-freedom mechanical arm and cooperating with the six-degree-of-freedom mechanical arm.

A flange connecting plate is installed on the flange plate at the upper end of the six-degree-of-freedom mechanical arm, and a sliding table is installed on the other end of the flange connecting plate, and a mounting plate is slidably fitted on the sliding table, and the mounting plate is far away from One end of the slide table is fixed with a laser profiler by bolts, and a profiler protective cover is also fixed on the mounting plate by bolts, and a shading plate is fixed on the laser profiler. The shading plate is installed on the laser profiler to block the light, so that the laser profiler works in a better light environment.

The lower part of the multifunctional support is a vertically fixed sleeve, the upper part of the multifunctional support is a slide bar that can slide up and down relative to the sleeve, and the sleeve is equipped with a locking bolt for locking the slide bar. The upper end of the slide bar is fixed with a fixture, and the upper end of the fixture is connected with a support platform through a ball pair connection. Fixing bolts are arranged around the ball pair, and a fixed plate and a fixed plate are arranged on the upper end surface of the support platform. A matched movable plate, the movable plate is controlled to move by bolts.

The mounting plate is made of aluminum alloy.

The profiler protective cover is made of stainless steel.

A detection method of a detection device for formed oil pipes:

(1) By adjusting the multifunctional bracket and the movable plate, the formed oil pipe is placed between the movable plate and the fixed plate.

(2) Carry out teaching programming for the robot, let the robot move to the position where the laser profiler can scan the formed oil pipe, and the precision sliding table drives the laser profiler to move.

(3) The data of the formed tubing scanned by the laser profiler.

(4) After the data of this part of the formed tubing is extracted, adjust the posture of the robot according to the shape of the part to be scanned by the formed tubing, so that the laser profiler is in the best state of scanning the formed tubing, so as to extract data accurately, Until all the data of the completed tubing is extracted.

(5) Through the internal program of the robot, the actual value of the outer diameter of the formed tubing and the angle at the bend is automatically calculated.

(6) The system automatically compares with the theoretical value to judge whether it is within the allowable error range. If it is within the allowable error range, the outer diameter and angle of the formed oil pipe meet the requirements; if not within the allowable error range, the outer diameter and angle of the formed oil pipe do not meet the requirements.

The beneficial effects of the utility model are:

The utility model can ensure the accuracy and high efficiency of the outer diameter of the formed oil pipe and the angle detection precision of the bend. It can accurately measure the outer diameter and angle of the formed oil pipe with a laser profiler, and automatically calculate the actual value of the outer diameter and angle of the formed oil pipe. The system automatically compares with the theoretical value to judge whether it is within the allowable error Within the range, if it is within the allowable error range, the outer diameter and angle of the formed oil pipe meet the requirements, if not within the allowable error range, then the outer diameter and angle of the formed oil pipe do not meet the requirements. The utility model can realize the precision detection of outer diameters and angles of oil pipes with different outer diameters and irregular shapes, and at the same time, can greatly improve the detection efficiency and automation degree of formed oil pipes.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further described.

Fig. 1 is the front view of the utility model;

Fig. 2 is a left view of the utility model;

Fig. 3 is the top view of the utility model;

Fig. 4 is the perspective view of the left front side of the utility model;

Figure 5 is an enlarged view of I in Figure 1;

Figure 6 is an enlarged view of II in Figure 1;

Figure 7 is an enlarged view of III in Figure 4;

Fig. 8 is a perspective view of the mounting plate of the present utility model;

Fig. 9 is a perspective view of the protective cover of the profiler of the present invention;

Fig. 10 is a detection flow chart of the utility model.

detailed description

In order to make the technical means realized by the utility model, creation feature, purpose and effect easy to be understood, the utility model is further elaborated below.

As shown in Figures 1 to 10, a detection device for formed oil pipes includes a six-degree-of-freedom mechanical arm 1 fixedly installed at the lower end, and also includes a mechanical arm 1 fixed around the six-degree-of-freedom mechanical arm 1 and cooperating with the six-degree-of-freedom mechanical arm 1 Multifunctional stand 2.

A flange connecting plate 3 is installed on the flange plate at the upper end of the six-degree-of-freedom mechanical arm 1, and a slide table 4 is installed on the other end of the flange connecting plate 3, and a mounting plate 5 is slidably fitted on the slide table 4. The end of the mounting plate 5 away from the slide table 4 is fixed with a laser profiler 6 by bolts, the profiler protective cover 7 is also fixed on the mounting plate 5 by bolts, and a light shield 8 is fixed on the laser profiler 6 .

The bottom of described multifunctional support 2 is the vertically fixed sleeve 9, and the top of multifunctional support 2 is the slide bar 10 that can slide up and down with respect to sleeve 9, and described sleeve 9 is equipped with and is used for locking slide bar. 10 locking bolts 11, after adjusting the height of the slide bar 10, the locking bolts 11 can be used to fix the slide bar. The upper end of the slide bar 10 is fixed with a clamp 12, and the upper end of the clamp 12 is connected with a pallet 13 through a ball pair connection. The ball pair connection improves the adjustment flexibility of the pallet 13. Fixed bolts 14 are provided, and the upper end surface of the support platform 13 is provided with a fixed plate 15 and a movable plate 16 that cooperates with the fixed plate 15. The movable plate 16 is controlled to move by the bolts, and the formed oil pipe 17 is clamped on the movable plate 16 and between the fixed plate 15.

The mounting plate 5 is made of aluminum alloy material, so that the mounting plate 5 has good corrosion resistance. At the same time, the density of the aluminum alloy is small, which optimizes the weight of the mounting plate 5. The structural design of the parts is simple, and the connection is convenient and firm.

The profiler protective cover 7 is made of stainless steel, so that the profiler protective cover 7 has good corrosion resistance, etc., and has high strength and firm connection. The profiler protective cover 7 adopts a bent plate, and a large U-shaped mouth is opened on the side surface of the profiler protective cover 7. The main function is to avoid the power cord of the laser profiler 6, and the two sides of the side are all opened. There are 4 small U-shaped openings, the main function of which is to install the profiler protective cover 7 on the mounting plate 5 through the small U-shaped openings.

The front end of the mounting plate 5 is provided with an L-shaped hole, the main function of which is to avoid the indicator light of the laser profiler 6 and facilitate the observation of the status of the indicator light of the laser profiler 6 .

A detection method of a detection device for a formed oil pipe, specifically as follows:

When working, first turn on the power, start the six-degree-of-freedom mechanical arm and the laser profiler, and adjust the multi-functional bracket and fixture to place the formed oil pipe 17 on the fixture. At the same time, perform teaching programming on the six-degree-of-freedom mechanical arm to The six-degree-of-freedom mechanical arm moves to the position where the laser profiler can scan the formed oil pipe, and the sliding table drives the laser profiler to move, so that the laser profiler scans the data of the formed oil pipe. After the data of this part of the formed oil pipe is extracted According to the shape of the formed tubing to be scanned, adjust the posture of the six-degree-of-freedom robotic arm, so that the laser profiler is in the best state for scanning the formed tubing, so as to accurately extract data until all the data of the completed tubing is extracted. Then, the internal program automatically calculates the actual value of the outer diameter of the formed oil pipe and the angle at the bend, and the system automatically compares it with the theoretical value to judge whether it is within the allowable error range. If it is within the allowable error range, the outer diameter of the formed oil pipe and angle meet the requirements, if not within the allowable error range, the outer diameter and angle of the formed tubing do not meet the requirements. In this way, the accuracy and efficiency of the formed tubing inspection can be guaranteed.

The basic principles, main features and advantages of the present utility model have been shown and described above. Those skilled in the industry should understand that the utility model is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions are only the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model There will also be various changes and improvements, and these changes and improvements all fall within the claimed utility model. The scope of protection required by the utility model is defined by the appended claims and their equivalents.

Claims (3)

1. A detection device for a formed oil pipe, comprising a six-degree-of-freedom mechanical arm (1) fixedly installed at the lower end, characterized in that: it also includes a mechanical arm fixed around the six-degree-of-freedom mechanical arm (1), connected to the six-degree-of-freedom mechanical arm (1) ) with a multifunctional bracket (2); A flange connecting plate (3) is installed on the flange plate on the upper end of the six-degree-of-freedom mechanical arm (1), and a slide table (4) is installed on the other end of the flange connecting plate (3), and the slide table (4) A mounting plate (5) is slidably fitted on the top, and the end of the mounting plate (5) away from the slide table (4) is fixed with a laser profiler (6) by bolts, and the mounting plate (5) is also fixed by bolts There is a profiler protective cover (7), and a shading plate (8) is fixed on the laser profiler (6); The bottom of the multifunctional support (2) is a vertically fixed sleeve (9), and the top of the multifunctional support (2) is a slide bar (10) that can slide up and down relative to the sleeve (9). The cylinder (9) is equipped with a locking bolt (11) for locking the sliding rod (10), the upper end of the sliding rod (10) is fixed with a clamp (12), and the upper end of the clamp (12) passes through the ball pair The way of connection is connected with a support platform (13), and a fixing bolt (14) is provided around the ball pair. The upper end surface of the support platform (13) is provided with a fixed plate (15) and a matching plate (15). A movable plate (16), the movable plate (16) is controlled to move by bolts. 2. A detection device for formed oil pipes according to claim 1, characterized in that the mounting plate (5) is made of aluminum alloy. 3. A detection device for formed oil pipes according to claim 1, characterized in that: the profiler protective cover (7) is made of stainless steel.