Automatic detection equipment for position accuracy of automobile parts and application method of automatic detection equipment

Abstract

The invention discloses an automobile part location degree automatic detection device and a using method thereof.The automobile part location degree automatic detection device comprises a cleaning line, a mechanical arm, a supporting table and a discharging line, the cleaning line and the discharging line are arranged at the two ends of the mechanical arm respectively, and the supporting table is arranged on one side of the mechanical arm and located between the cleaning line and the discharging line; the supporting table is provided with a correction unit and a detection assembly, the correction unit is used for recognizing and visually detecting a workpiece, the detection assembly is used for detecting the position degree of the workpiece, and the mechanical arm is used for transferring the workpiece; according to the automatic detection equipment for the position degree of the automobile spare parts and the use method thereof, through cooperation of the mechanical arm, the cleaning line and the discharging line, workpieces can be automatically transferred, the workpieces can be recognized and visually detected through cooperation of the recognition head and the correction unit, in addition, the detection unit is adopted, the workpieces can be effectively fixed, and the position degree of the workpieces can be detected; labor is greatly saved, the automation degree is high, the detection efficiency is high, and the detection precision is high.

Description

Technical Field

[0001] The invention relates to automobile parts detection technology, in particular to an automatic detection device for the position of automobile parts and a use method thereof. Background Art

[0002] Auto parts are the various units that make up the whole car and a kind of product that serves the car. There are many kinds of auto parts. With the improvement of people's living standards, people's consumption of cars is increasing, and the market of auto parts is getting bigger and bigger; most of the auto parts need to be tested for position in order to ensure the accuracy of subsequent assembly.

[0003] The existing method of detecting the position of automotive parts is generally to manually grasp and fix the workpiece with one hand, and use the other hand to operate the detection head to install it into the hole to be detected of the part, and then press the start button to perform aperture detection or flatness detection of the hole to be detected. The steps are cumbersome, the labor intensity of workers is high, the detection efficiency is low, and the workpiece fixing effect is poor. It is very easy to move or even fall or collide with other workpieces. In addition, the depth of the detection head inserted into the hole is difficult to control, and the detection effect is poor. Summary of the invention

[0004] In order to solve the defects of the above-mentioned prior art, the present invention provides an automatic detection device for the position of automobile parts and a method of using the same, which can realize automatic transportation and detection and identification of workpieces, greatly save labor, have a high degree of automation, high detection efficiency, and high detection accuracy.

[0005] To achieve the above technical objectives, the present invention adopts the following technical solutions: an automatic detection device for the position of automotive parts, comprising a cleaning line, a manipulator, a support table and a unloading line, wherein the cleaning line and the unloading line are respectively arranged at both ends of the manipulator, the support table is arranged on one side of the manipulator and is located between the cleaning line and the unloading line, the support table is provided with a correction unit and a detection component, the correction unit is used to identify and visually detect the workpiece, the detection component is used to perform position detection on the workpiece, and the manipulator is used to transfer the workpiece.

[0006] Preferably, an identification head is provided at the top of the cleaning line.

[0007] Preferably, the correction unit includes a correction table and a secondary recognition head, the correction table is used to support the workpiece, a limit block is provided in the middle of the correction table, the limit block is used to position the workpiece, the secondary recognition head is arranged directly above the limit block, the secondary recognition head is used to detect the workpiece, and the recognition head and the secondary recognition head are both CCD cameras.

[0008] Preferably, a grabbing frame is provided at the end of the manipulator, and clamping claws are provided at both ends of the grabbing frame, and the clamping claws are used to clamp the workpiece.

[0009] Preferably, the detection component includes a bracket, a platform and a moving unit, the bracket and the moving unit are respectively arranged at two ends of the support platform, the bracket is provided with a lifting module and a position detector, the lifting module drives the position detector to rise and fall, a rotating disk is provided directly below the position detector, the rotating disk is driven to rotate by a rotating motor, the moving unit includes a translation module, the translation module is provided on the support platform and is used to drive the platform to translate, guide rails are provided on both sides of the translation module, a slider is slidably fitted above the guide rails, a support plate is fixed to the top of the slider, a lifting cylinder is provided in the middle of the support plate, the lifting cylinder drives the platform to rise and fall, guide rods are provided at both ends of the support plate, and the top of the guide rods passes through the platform.

[0010] Preferably, both sides of the guide rail are provided with positioning blocks, and the positioning blocks are provided with position sensors.

[0011] Preferably, a frame is provided on the outside of the manipulator and the support platform, the unloading end of the cleaning line extends into the frame, and the loading end of the unloading line extends into the frame.

[0012] Preferably, a defective product box is provided between the robot and the cleaning line.

[0013] A method for using an automatic detection device for the position of automobile parts comprises the following steps:

[0014] S1: The cleaning line cleans the workpiece and moves it to just below the recognition head;

[0015] S2: The recognition head identifies the position of the workpiece to facilitate the robot to grasp it;

[0016] S3: The gripper of the robot grips the workpiece and moves it to the correction table;

[0017] S4: The correction table limits the workpiece, and the secondary recognition head performs secondary recognition and visual inspection on the workpiece;

[0018] S5: The gripper of the robot grips the workpiece and moves the workpiece that passes the visual inspection to the stage, while the workpiece that fails the visual inspection is moved to the defective product box;

[0019] S6: The mobile module drives the stage to move the workpiece to the top of the rotating disk. The rotating disk drives the workpiece to rotate so that the hole to be inspected of the workpiece is aligned with the inspection head.

[0020] S7: The lifting module drives the position measuring instrument to move down a preset fixed distance, so that the detection head is accurately inserted into the hole position, and the detection head detects the hole position;

[0021] S8: The lifting module drives the position measuring instrument to reset, the moving module drives the carrier to reset, the manipulator's gripper grabs the workpiece, and moves the workpiece that passes the position detection to the unloading line, while the workpiece that fails the position detection is moved to the defective product box.

[0022] In summary, the present invention has achieved the following technical effects:

[0023] The automatic detection device for the position of automobile parts and the method of using the same can realize automatic transfer of workpieces through the cooperation of a manipulator, a cleaning line and a feeding line, and can identify and visually detect workpieces in conjunction with an identification head and a correction unit. In addition, the detection unit can effectively fix the workpiece and detect the position of the workpiece, which greatly saves labor, has a high degree of automation, high detection efficiency, and high detection accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a structural schematic diagram of an automatic detection device for the position of automobile parts of the present invention;

[0025] Figure 2 It is a schematic diagram of the feeding state of the detection component of the automatic detection device for the position of automobile parts of the present invention;

[0026] Figure 3 It is a schematic diagram of the detection state of the detection component of the automatic detection device for the position of automobile parts of the present invention;

[0027] Figure 4 It is a structural schematic diagram of a carrier of an automatic detection device for the position of automobile parts of the present invention;

[0028] Explanation of the reference numerals in the drawings in the specification: 1. Cleaning line; 2. Identification head; 3. Robot; 4. Grabbing rack; 5. Defective product box; 6. Support table; 7. Correction table; 8. Secondary identification head; 9. Detection component; 91. Bracket; 92. Lifting module; 93. Position measuring instrument; 94. Detection head; 95. Rotating disk; 96. Guide rail; 97. Position block; 98. Carrier; 99. Lifting cylinder; 90. Guide column; 10. Unloading line; 11. Frame; 12. Workpiece; 13. Support plate; 14. Slider. DETAILED DESCRIPTION

[0029] The present invention is further described in detail below in conjunction with the accompanying drawings.

[0030] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed. However, as long as they are within the scope of the claims of the present invention, they are protected by the patent law.

[0031] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0032] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0033] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0034] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0035] Embodiment 1:

[0036] like Figure 1As shown, an automatic detection device for the position of automobile parts includes a cleaning line 1, a manipulator 3, a support table 6 and a feeding line 10, wherein the cleaning line 1 and the feeding line 10 are respectively arranged at both ends of the manipulator 3, the support table 6 is arranged on one side of the manipulator 3 and is located between the cleaning line 1 and the feeding line 10, the support table 6 is provided with a correction unit and a detection component 9, the correction unit is used for identifying and visually detecting a workpiece 12, the detection component 9 is used for performing position detection on the workpiece 12, and the manipulator 3 is used for transporting the workpiece 12.

[0037] There are multiple unloading lines, which can facilitate multiple workers to quickly package qualified workpieces; the unloading lines and cleaning lines are both conveyor lines.

[0038] The automatic detection device for the position of automobile parts of this embodiment can realize the automatic transfer of workpieces 12 through the cooperation of the manipulator 3, the cleaning line 1 and the unloading line 10.

[0039] The top of the cleaning line 1 is provided with an identification head 2; the correction unit includes a correction platform 7 and a secondary identification head 8, the correction platform 7 is used to support the workpiece 12, a limit block is provided in the middle of the correction platform 7, the limit block is used to position the workpiece 12, the secondary identification head 8 is arranged directly above the limit block, the secondary identification head 8 is used to detect the workpiece 12, and the identification head 2 and the secondary identification head 8 are both CCD cameras;

[0040] Since the position measuring instrument 93 has high detection accuracy but limited detection efficiency, the workpiece 12 can be identified and visually detected through the recognition head 2 and the correction unit, which is convenient for positioning the workpiece 12 and facilitating the robot 3 to grasp the workpiece 12. The workpiece 12 with obviously unqualified hole positions detected by visual detection can be separated in advance, which can greatly improve the detection efficiency.

[0041] A grabbing frame 4 is provided at the end of the manipulator 3, and claws are provided at both ends of the grabbing frame 4, and the claws are used to clamp the workpiece 12; the setting of the grabbing frame 4 and the two claws can simultaneously remove the workpiece 12 to be inspected and the workpiece 12 that has been inspected, saving the distance of the rotation movement of the manipulator 3, thereby improving the overall inspection efficiency.

[0042] like Figure 2As shown in Figure 4, the detection component 9 includes a bracket 91, a carrier 98 and a moving unit. The bracket 91 and the moving unit are respectively arranged at both ends of the support platform 6. The bracket 91 is provided with a lifting module 92 and a position detector. The lifting module 92 drives the position detector to rise and fall. A rotating disk 95 is provided directly below the position detector. The rotating disk 95 is driven to rotate by a rotating motor. The moving unit includes a translation module. The translation module is arranged on the support platform 6 and is used to drive the carrier 98 to translate. Guide rails 96 are provided on both sides of the translation module. A slider 14 is slidably fitted above the guide rail 96. A support plate 13 is fixed on the top of the slider 14. A lifting cylinder 99 is provided in the middle of the support plate 13. The lifting cylinder 99 drives the carrier 98 to rise and fall. Guide rods are provided at both ends of the support plate 13. The top of the guide rod passes through the carrier 98. The detection unit is used to effectively fix the workpiece 12 and perform high-precision position detection on the workpiece 12, which greatly saves labor, has a high degree of automation, high detection efficiency, and high detection accuracy.

[0043] Both sides of the guide rail 96 are provided with a positioning block 97, and the positioning block 97 is provided with a position sensor; the setting of the positioning block 97 and the position sensor can effectively prevent the slider 14 from detaching from the guide rail 96, and prompt the entire device that the carrier 98 is in place.

[0044] A frame 11 is provided on the outside of the manipulator 3 and the support platform 6, the unloading end of the cleaning line 1 extends into the frame 11, and the loading end of the unloading line 10 extends into the frame 11; the setting of the frame 11 can prevent workers from entering and protect the workers; and a safety door is provided on the frame 11, and the safety door is opposite to the defective product box 5, which can facilitate workers to regularly remove defective products.

[0045] A defective product box 5 is provided between the robot 3 and the cleaning line 1 .

[0046] A method for using an automatic detection device for the position of automobile parts comprises the following steps:

[0047] S1: The cleaning line 1 cleans the workpiece 12 and moves it to the position directly below the recognition head 2;

[0048] S2: The recognition head 2 recognizes the position of the workpiece 12 so that the robot 3 can grasp it;

[0049] S3: The gripper of the robot 3 grips the workpiece 12 and moves the workpiece 12 to the correction table 7;

[0050] S4: the correction table 7 limits the workpiece 12, and the secondary recognition head 8 performs secondary recognition and visual inspection on the workpiece 12;

[0051] S5: The gripper of the robot 3 grips the workpiece 12, and moves the workpiece 12 that passes the visual inspection to the stage 98, and moves the workpiece 12 that fails the visual inspection to the defective product box 5;

[0052] S6: The moving module drives the stage 98 to move the workpiece 12 to the top of the rotating disk 95 , and the rotating disk 95 drives the workpiece 12 to rotate so that the hole to be inspected of the workpiece 12 is aligned with the inspection head 94 ;

[0053] S7: The lifting module 92 drives the position measuring instrument 93 to move down a preset fixed distance, so that the detection head 94 is accurately inserted into the hole position, and the detection head 94 detects the hole position;

[0054] S8: The lifting module 92 drives the position measuring instrument 93 to reset, the moving module drives the carrier 98 to reset, the gripper of the robot 3 clamps the workpiece 12, and moves the workpiece 12 that passes the position detection to the unloading line 10, while the workpiece 12 that fails the position detection is moved to the defective product box 5.

[0055] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Any simple modification, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention are within the scope of the technical solution of the present invention.

Claims

1. An automatic detection device for the position of automobile parts, characterized in that: It includes a cleaning line, a manipulator, a support table and a unloading line, wherein the cleaning line and the unloading line are respectively arranged at both ends of the manipulator, the support table is arranged on one side of the manipulator and is located between the cleaning line and the unloading line, the support table is provided with a correction unit and a detection component, the correction unit is used to identify and visually detect the workpiece, the detection component is used to detect the position of the workpiece, and the manipulator is used to transfer the workpiece.

2. The automatic detection device for the position of automobile parts according to claim 1 is characterized in that: An identification head is arranged on the top of the cleaning line.

3. The automatic detection device for the position of automobile parts according to claim 2 is characterized in that: The correction unit includes a correction platform and a secondary recognition head. The correction platform is used to support the workpiece. A limit block is provided in the middle of the correction platform. The limit block is used to position the workpiece. The secondary recognition head is arranged directly above the limit block. The secondary recognition head is used to detect the workpiece. Both the recognition head and the secondary recognition head are CCD cameras.

4. The automatic detection device for the position of automobile parts according to claim 1 is characterized in that: A grabbing frame is provided at the end of the manipulator, and clamping claws are provided at both ends of the grabbing frame, and the clamping claws are used to clamp the workpiece.

5. The automatic detection device for the position of automobile parts according to claim 1 is characterized in that: The detection assembly includes a bracket, a platform and a moving unit, the bracket and the moving unit are respectively arranged at two ends of the support platform, the bracket is provided with a lifting module and a position detector, the lifting module drives the position detector to rise and fall, a rotating disk is provided directly below the position detector, and the rotating disk is driven to rotate by a rotating motor, the moving unit includes a translation module, the translation module is provided on the support platform and is used to drive the platform to translate, guide rails are provided on both sides of the translation module, a slider is slidably fitted above the guide rails, a support plate is fixed on the top of the slider, a lifting cylinder is provided in the middle of the support plate, the lifting cylinder drives the platform to rise and fall, guide rods are provided at both ends of the support plate, and the top of the guide rods passes through the platform.

6. The automatic detection device for the position of automobile parts and the method for using the same according to claim 5, characterized in that: Both sides of the guide rail are provided with positioning blocks, and the positioning blocks are provided with position sensors.

7. The automatic detection device for the position of automobile parts according to claim 1 is characterized in that: A surrounding frame is arranged outside the manipulator and the supporting platform, the unloading end of the cleaning line extends into the surrounding frame, and the loading end of the unloading line extends into the surrounding frame.

8. The automatic detection device for the position of automobile parts according to claim 1 is characterized in that: A defective product box is provided between the robot and the cleaning line.

9. A method for using an automatic detection device for the position of automobile parts according to any one of claims 1 to 8, characterized in that: The following steps are involved: S1: The cleaning line cleans the workpiece and moves it to just below the recognition head; S2: The recognition head identifies the position of the workpiece to facilitate the robot to grasp it; S3: The gripper of the robot grips the workpiece and moves it to the correction table; S4: The correction table limits the workpiece, and the secondary recognition head performs secondary recognition and visual inspection on the workpiece; S5: The gripper of the robot grips the workpiece and moves the workpiece that passes the visual inspection to the stage, while the workpiece that fails the visual inspection is moved to the defective product box; S6: The mobile module drives the stage to move the workpiece to the top of the rotating disk. The rotating disk drives the workpiece to rotate so that the hole to be inspected of the workpiece is aligned with the inspection head. S7: The lifting module drives the position measuring instrument to move down a preset fixed distance, so that the detection head is accurately inserted into the hole position, and the detection head detects the hole position; S8: The lifting module drives the position measuring instrument to reset, the moving module drives the carrier to reset, the manipulator's gripper grabs the workpiece, and moves the workpiece that passes the position detection to the unloading line, while the workpiece that fails the position detection is moved to the defective product box.

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