Multi-station appearance detection device for automobile sensor after welding

Abstract

The utility model discloses a post-welding multi-station appearance detection device for an automobile sensor. The post-welding multi-station appearance detection device comprises a workpiece feeding mechanism; a positioning plate with a plurality of lightening holes is arranged on the top of the positioning mechanism in a driving and lifting manner; a multi-station detection mechanism; the carrying mechanism comprises a multi-section type mechanical arm, a lifting rod arranged on the multi-section type mechanical arm in a lifting drive mode, a carrying plate and a grabbing piece. And a product discharging station. According to the utility model, all detections of the sensor are designed into an integrated device, so that the occupied space of the detection process is reduced, and the compactness and modularization degree of the device are improved; a positioning plate driven by lifting is matched with a notch and a stop block to position, grab and transplant products in batches, and a next batch of products are subjected to low-extrusion-wear blocking operation, so that the stability and efficiency of grabbing and butting the products are improved; based on the detection result, qualified products and defective products are classified and collected, and efficient sorting treatment of the defective products is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile detection, in particular to a multi-station appearance detection device for automobile sensors after welding. Background Art

[0002] When conducting appearance inspection after sensor welding, the devices corresponding to each inspection item are mostly designed independently and placed separately. After multiple inspections and screening, defective and qualified products are inspected and processed separately, which makes the device occupy a large space, and the product inspection and sorting operations are too cumbersome and inefficient. In addition, the device that uses a robot to move the product generally uses a robot and the product is transplanted one by one for multiple times, which is inefficient. Utility Model Content

[0003] The purpose of the utility model is to solve the problems that the devices corresponding to the various inspection items in the appearance inspection device after sensor welding are mostly designed independently and placed separately, and after multiple inspections and layer-by-layer screening, defective products and qualified products are inspected and processed separately, which makes the device occupy a large space, and the product inspection and sorting operations are too cumbersome, and the device using a manipulator to move the product generally adopts a manipulator and the products are transplanted one by one for multiple times, which is inefficient. A multi-station appearance inspection device for automotive sensors after welding is provided.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solution: a multi-station appearance inspection device for automotive sensors after welding, comprising:

[0005] Workpiece feeding mechanism, a conveying mechanism is provided at the discharge end;

[0006] Positioning mechanism, a top driving lifting and lowering positioning plate is provided, and a plurality of weight-reducing holes are provided on the positioning plate;

[0007] A multi-station detection mechanism is arranged on both sides of the conveying mechanism, including a first station for detecting the color and height of the product copper column, a second station for detecting the electrical characteristics of the product and detecting the poor welding of the welding surface, a third station for detecting the length of the product, the pin bending detection and the appearance deformation detection, and a fourth station for detecting the weight of the product. A rotation detection station is set at the rear end of the positioning mechanism;

[0008] The conveying mechanism comprises a multi-section manipulator, a lifting rod driven by a lifting device and arranged on the multi-section manipulator, a carrier plate connected to the bottom of the lifting rod through a mounting seat, and a plurality of gripping members connected to the carrier plate;

[0009] The product discharge stations include a first defective product discharge station, a second defective product discharge station and a qualified product discharge station.

[0010] As a further description of the above technical solution:

[0011] A circular vibration device is arranged in the workpiece feeding mechanism to place and orderly arrange the sensors to be detected. The circular vibration device is connected to the conveying mechanism, and the conveying mechanism is a direct vibration motor.

[0012] As a further description of the above technical solution:

[0013] The feed end of the positioning plate is arranged at a notch connected to the conveying mechanism, the notch guides and positions the copper column of the sensor, and the feed end of the positioning mechanism drives a stop block to be set.

[0014] As a further description of the above technical solution:

[0015] The rotation detection station is rotatably arranged on the workbench, and a positioning seat is arranged on the top surface.

[0016] As a further description of the above technical solution:

[0017] The third workstation includes a first camera for detecting the bending of a copper column of a product, a second camera for detecting the length of a product shell and the radius of a pin end, and a third camera for detecting the outer diameter of a product.

[0018] As a further description of the above technical solution:

[0019] The multi-section manipulator includes a rotating seat, a first driving arm and a second driving arm connected by a rotating drive. The lifting rod is inserted into the through hole of the second driving arm and is lifted and lowered by a driving shaft connecting the mounting seat and the second driving arm. A plurality of clamps are provided at the bottom of the gripping member for sliding drive toward each other.

[0020] As a further description of the above technical solution:

[0021] The first defective product discharge station is provided with a plurality of open collecting troughs, and the second defective product discharge station and the qualified product discharge station are provided with a plurality of discharge pipes which are inclined, and the bottom of the discharge pipes is positioned on the corresponding structure through a V-shaped angle plate.

[0022] In summary, due to the adoption of the above technical solution, the utility model has the following advantages compared with the prior art:

[0023] Beneficial effects:

[0024] The utility model designs an integrated device for various sensor detections, reduces the space occupied by the detection process, and improves the compactness and modularity of the device; the lifting-driven positioning plate cooperates with the notch and the stop block to position, grasp and transplant products in batches, and performs a low-extrusion and wear blocking operation on the next batch of products, thereby improving the stability and efficiency of product grasping and docking; based on the detection results, qualified products and defective products are classified and collected, which is convenient for the sorting and efficient processing of defective products. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0026] Figure 1 The figure is a three-dimensional diagram of a multi-station appearance inspection device for automotive sensors after welding.

[0027] Figure 2 The figure is a top view of a multi-station appearance inspection device for automotive sensors after welding.

[0028] Figure 3 The figure is a front view of a multi-station appearance inspection device for automotive sensors after welding (the workpiece feeding mechanism is hidden).

[0029] Figure 4 This is a right view of a multi-station appearance inspection device for automotive sensors after welding (the workpiece feeding mechanism is hidden).

[0030] Figure 5 The figure is a three-dimensional diagram of a multi-station appearance inspection device for automotive sensors after welding (the workpiece feeding mechanism is hidden).

[0031] Figure 6 for Figure 5 Enlarged view of point A in the middle.

[0032] Figure 7 for Figure 5 Enlarged view of point B in the middle.

[0033] Figure 8 for Figure 5 Enlarged view of point C in the middle.

[0034] Legend:

[0035] 1. Workpiece feeding mechanism; 10. Conveying mechanism; 2. First station; 3. Second station; 4. Fourth station; 5. Positioning mechanism; 51. Positioning plate; 52. Weight reduction hole; 53. Notch; 54. Stop block; 6. First camera; 7. Second camera; 8. Third camera; 9. Transport mechanism; 91. Rotating seat; 92. First driving arm; 93. Second driving arm; 94. Lifting rod; 95. Mounting seat; 96. Driving shaft; 97. Carrier plate; 98. Gripping piece; 99. Clamp; 11. Rotating detection station; 111. Positioning seat; 12. First defective product discharge station; 13. Second defective product discharge station; 14. Qualified product discharge station; 141. Discharge pipe; 142. V-shaped angle plate. DETAILED DESCRIPTION

[0036] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0037] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0038] See also Figure 1-8 The utility model provides a technical solution: a multi-station appearance inspection device for automotive sensors after welding, comprising:

[0039] A workpiece feeding mechanism 1, and a conveying mechanism 10 is provided at the discharge end;

[0040] A positioning mechanism 5, a top driving lifting and lowering positioning plate 51 is provided, and a plurality of weight-reducing holes 52 are provided on the positioning plate 51;

[0041] A multi-station detection mechanism is arranged on both sides of the conveying mechanism 10, including a first station 2 for detecting the color and height of the copper column of the product, a second station 3 for detecting the electrical characteristics of the product and detecting the poor welding of the welding surface, a third station for detecting the length of the product, the pin bending detection and the appearance deformation detection, and a fourth station 4 for detecting the weight of the product. A rotation detection station 11 is set at the rear end of the positioning mechanism 5;

[0042] The conveying mechanism 9 includes a multi-stage robot, a lifting rod 94 provided on the multi-stage robot for lifting and lowering, a carrier plate 97 connected to the bottom of the lifting rod 94 through a mounting seat 95, and a plurality of gripping members 98 connected to the carrier plate 97;

[0043] The product discharge stations include a first defective product discharge station 12 , a second defective product discharge station 13 and a qualified product discharge station 14 .

[0044] A circular vibration device is provided in the workpiece feeding mechanism 1 to place and orderly arrange the sensors to be detected. The circular vibration device is docked with the conveying mechanism 10 , which is a direct vibration motor to ensure the orderly arrangement and conveyance of the products to be detected, and to stably dock with the positioning mechanism 5 .

[0045] The feed end of the positioning plate 51 is arranged at the notch 53 connected to the conveying mechanism 10, and the notch 53 guides and positions the copper column of the sensor. The feed end of the positioning mechanism 5 drives the stop block 54. Through the above design, after the positioning mechanism 5 positions a certain amount of products, the next batch of products is blocked with low extrusion wear.

[0046] The rotation detection station 11 is rotatably arranged on a workbench, and a positioning seat 111 is arranged on the top surface.

[0047] The third workstation is used to detect defective welding seams on the welding surface of the product.

[0048] The third workstation includes a first camera 6 for detecting the bending of a copper column of a product, a second camera 7 for detecting the length of a product shell and the radius of a pin end, and a third camera 8 for detecting the outer diameter of a product.

[0049] The multi-stage manipulator includes a rotating seat 91, a first driving arm 92 and a second driving arm 93 connected by a rotating drive, the lifting rod 94 is inserted in the through hole of the second driving arm 93, and is lifted and lowered by a driving shaft 96 connecting the mounting seat 95 and the second driving arm 93, and a plurality of clamping claws 99 are provided at the bottom of the gripping member 98 for sliding drive toward each other. The driving method of the above structure adopts one or more of a cylinder, a hydraulic cylinder and a motor. In this embodiment, the gripping member 98 is slidingly driven and arranged at the bottom of the carrier plate 97.

[0050] The first defective product discharge station 12 is provided with a plurality of open collecting troughs, and the second defective product discharge station 13 and the qualified product discharge station 14 are provided with a plurality of discharge pipes 141 which are inclined to guide the falling of products and reduce collision wear. The bottom of the discharge pipe 141 is positioned on the corresponding structure by a V-shaped angle plate 142 to ensure the stable positioning of the discharge pipe 141 and the stable guidance of the product.

[0051] The working principle of the multi-station appearance inspection device for automotive sensors after welding of the present embodiment includes: the products to be tested are arranged in order by a circular vibration device, and the direct vibration motor conveys the products to the positioning mechanism 5. During this period, the first station 2 and the second station 3 perform corresponding product appearance inspections; the positioning plate 51 is lifted, so that the products are moved to the bottom of the positioning plate 51 in turn and aligned with the weight reduction holes 52. After the positioning plate 51 is lifted for a certain period of time, the stop block 54 moves toward each other to block other products, and the positioning plate 51 moves downward to realize the weight reduction holes 52 being sleeved on the products. The multi-stage manipulator moves the gripper 98 to the top of the positioning plate 51, and the drive shaft 96 drives the gripper 98 to move downward. The gripper 98 passes The driving claw 99 grasps the multiple products in the weight reduction hole 52 accordingly, and places the products on the positioning seat 111 through the multi-stage manipulator for positioning and rotation detection to determine the structural strength of the product, and moves to the fourth station 4 to perform product weight detection. During this period, the third station performs fine size and shape detection of the product, and records the corresponding product detection results through the gripping member 98. Finally, according to the detection results, the products are classified into three categories: large-size defective products, small-size defective products, and qualified products, and are moved to the first defective product discharge station 12, the second defective product discharge station 13, and the qualified product discharge station 14 for product classification, discharge, and processing.

[0052] In summary, due to the adoption of the above technical solution, the multi-station appearance inspection device for automotive sensors after welding of this embodiment has the following beneficial effects compared with the prior art:

[0053] The utility model designs an integrated device for various sensor detections, reduces the space occupied by the detection process, and improves the compactness and modularity of the device; the lifting-driven positioning plate cooperates with the notch and the stop block to position, grasp and transplant products in batches, and performs a low-extrusion and wear blocking operation on the next batch of products, thereby improving the stability and efficiency of product grasping and docking; based on the detection results, qualified products and defective products are classified and collected, which is convenient for the sorting and efficient processing of defective products.

[0054] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A multi-station appearance inspection device for automotive sensors after welding, characterized in that: include: Workpiece feeding mechanism, a conveying mechanism is provided at the discharge end; Positioning mechanism, a top driving lifting and lowering positioning plate is provided, and a plurality of weight-reducing holes are provided on the positioning plate; A multi-station detection mechanism is arranged on both sides of the conveying mechanism, including a first station for detecting the color and height of the product copper column, a second station for detecting the electrical characteristics of the product and detecting the poor welding of the welding surface, a third station for detecting the length of the product, the pin bending detection and the appearance deformation detection, and a fourth station for detecting the weight of the product. A rotation detection station is set at the rear end of the positioning mechanism; The conveying mechanism comprises a multi-section manipulator, a lifting rod driven by a lifting device and arranged on the multi-section manipulator, a carrier plate connected to the bottom of the lifting rod through a mounting seat, and a plurality of gripping members connected to the carrier plate; The product discharge stations include a first defective product discharge station, a second defective product discharge station and a qualified product discharge station.

2. The multi-station appearance inspection device for automotive sensors after welding according to claim 1 is characterized in that: A circular vibration device is arranged in the workpiece feeding mechanism to place and orderly arrange the sensors to be detected. The circular vibration device is connected to the conveying mechanism, and the conveying mechanism is a direct vibration motor.

3. The multi-station appearance inspection device for automotive sensors after welding according to claim 1, characterized in that: The feed end of the positioning plate is arranged at a notch connected to the conveying mechanism, the notch guides and positions the copper column of the sensor, and the feed end of the positioning mechanism drives a stop block to be set.

4. The multi-station appearance inspection device for automotive sensors after welding according to claim 1, characterized in that: The rotation detection station is rotatably arranged on the workbench, and a positioning seat is arranged on the top surface.

5. The multi-station appearance inspection device for automotive sensors after welding according to claim 1, characterized in that: The third workstation includes a first camera for detecting the bending of a copper column of a product, a second camera for detecting the length of a product shell and the radius of a pin end, and a third camera for detecting the outer diameter of a product.

6. The multi-station appearance inspection device for automotive sensors after welding according to claim 1, characterized in that: The multi-section manipulator includes a rotating seat, a first driving arm and a second driving arm connected by a rotating drive. The lifting rod is inserted into the through hole of the second driving arm and is lifted and lowered by a driving shaft connecting the mounting seat and the second driving arm. A plurality of clamps are provided at the bottom of the gripping member for sliding drive toward each other.

7. The multi-station appearance inspection device for automotive sensors after welding according to claim 1, characterized in that: The first defective product discharge station is provided with a plurality of open collecting troughs, and the second defective product discharge station and the qualified product discharge station are provided with a plurality of discharge pipes which are inclined, and the bottom of the discharge pipes is positioned on the corresponding structure through a V-shaped angle plate.

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