Full-automatic screening device for skewness of pins of bottom shell of electric energy meter
By installing an automatic screening device combining 2D visual inspection and 3D line scanning components on the bottom shell production line of the power meter, the problem of poor consistency of pin needles is solved, and accurate positioning and automatic screening of pin needle positions and heights is achieved, and product quality and production efficiency are improved.
Patent Information
- Application Number
- CN202411971948.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2025-04-25
AI Technical Summary
The incoming material consistency of the existing power meter bottom shell pin pin is poor, resulting in low manual assembly efficiency and low accuracy, and it is easy to cause internal stress of the product, making it impossible to accurately identify the product yield.
A fully automatic screening device for pin needle skewness of the bottom shell of the electric energy meter is designed, and a static visual recognition and positioning technology combined with 2D visual inspection and 3D line scanning components is used to accurately locate the pin position and height of the pin to automatically screen qualified bottom shells.
It realizes accurate positioning of the pin position and height of the bottom shell of the electric energy meter, and automatically screens qualified products, improves product quality and production efficiency, and saves labor.
Smart Images
Figure CN119869966A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of electric energy meter detection tooling, and in particular to a fully automatic screening device for the skewness of pins on a bottom shell of an electric energy meter. Background Art
[0002] Due to the poor consistency of the pins of the bottom shell of the electric energy meter, the bottom shell and PCB assembly are currently manually loaded and assembled. The accuracy and efficiency of manual labor are not high, and the time cost is high.
[0003] At the same time, manual loading and assembly is prone to incomplete assembly, and the speed and accuracy are not high, the labor cost is also high, which will slow down the overall work; it is easy to hard assemble the bad bottom shell with the PCB, resulting in internal stress inside the product. And manual work cannot accurately identify the yield of the bottom shell product. Summary of the invention
[0004] In order to solve the above technical problems, the present invention designs a fully automatic screening device for the skewness of pins on the bottom shell of an electric energy meter.
[0005] The present invention adopts the following technical solution: A fully automatic screening device for the skewness of the pin needle of the bottom shell of an electric energy meter comprises a conveyor belt assembly, the conveyor belt assembly comprises a motor and a conveyor belt, the motor drives the conveyor belt to drive the bottom shell of the electric energy meter to drive, a 2D visual inspection station and a 3D line scanning station are arranged along the conveyor belt direction, the 2D visual inspection station and the 3D line scanning station are respectively provided with induction sensors, the 2D visual inspection station is provided with a 2D visual inspection component and a jacking positioning component, and the 3D line scanning station is provided with a 3D line scanning component and a jacking positioning component; The lifting and positioning assembly is used to lift and clamp the bottom shell of the electric energy meter from the conveyor belt; The 2D visual inspection component is used to identify the pin position of the bottom shell of the electric energy meter; The 3D line scan component is used to identify the pin height of the bottom shell of the electric energy meter.
[0006] Preferably, the conveyor belt comprises two side-by-side conveyor lines, and the lifting and positioning assembly is arranged between the two side-by-side conveyor lines.
[0007] Preferably, the jacking and positioning assembly includes a base frame, a jacking cylinder is arranged at the center of the base frame, the output end of the jacking cylinder is connected to the jacking plate, a clamping cylinder is installed on the jacking plate, clamping claws are installed at both ends of the clamping cylinder, and a support block is installed on the jacking plate through a raising column, the support block is used to support the bottom shell of the electric energy meter, and the clamping claws are used to clamp the bottom shell of the electric energy meter.
[0008] Preferably, a guide rod is fixedly installed at the bottom of the jacking plate, a linear bearing is installed between the guide rod and the base frame, and the guide rod rises and falls along the linear bearing.
[0009] Preferably, the base frame includes a base plate, a support rod and a support plate, and the support plate and the base plate are fixedly connected by the support rod.
[0010] Preferably, the 2D visual detection component includes a base, a vertical pole, an upper clamping block, a crossbeam, an up-and-down adjustment rod, an industrial camera and a surface light source. The base is equipped with a vertical pole, a crossbeam is installed between the vertical poles through an upper clamping block, a fixed seat that can be adjusted along the crossbeam is installed on the crossbeam, an up-and-down adjustment rod is installed on the fixed seat, a surface light source is installed at the bottom of the fixed seat, a camera mounting seat that can be adjusted along the up-and-down adjustment rod is installed on the up-and-down adjustment rod, an industrial camera is fixedly installed on the camera mounting seat, a shooting port is opened on the surface light source, and the camera head of the industrial camera is aligned with the shooting port.
[0011] Preferably, the 3D line scan assembly includes a fixed base, a support column, a transverse shift module and a line scan camera. The fixed base is equipped with a support column, the transverse shift module is equipped with a support column, the transverse shift module is provided with a movable plate, the movable plate is driven to move back and forth transversely through the transverse shift module, the movable plate is fixedly equipped with a line scan camera, and the line scan camera scans and shoots downward.
[0012] Preferably, the transverse movement module is driven by a servo motor to drive the movable plate to move back and forth transversely.
[0013] Preferably, the output end of the lifting cylinder is connected to the lifting plate via a floating joint.
[0014] The beneficial effects of the present invention are as follows: the present invention optimizes the existing 2D photography and 3D line scanning technology with positioning, adopts static visual recognition and positioning technology, and combines the existing image processing algorithm to accurately locate the position of the pin needle, and identifies the pin height by combining line scanning. The scanning range is 100 width, and the module scans the entire bottom shell area at a speed of 100mm / s. The combination of the two can accurately locate the skewness of the bottom shell pin needle, automatically screen qualified electric energy meter bottom shells, improve product quality, increase efficiency, and save manual labor. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a structural schematic diagram of the present invention; Figure 2 It is a front view of the 2D visual detection component of the present invention; Figure 3 is a stereogram of the 2D visual detection component of the present invention; Figure 4 It is a front view of the jacking and positioning assembly in the present invention; Figure 5 It is a stereogram of the jacking and positioning assembly of the present invention; Figure 6It is a front view of the conveyor belt assembly of the present invention; Figure 7 It is a stereogram of the conveyor belt assembly of the present invention; Figure 8 It is a structural schematic diagram of a 3D line scanning component in the present invention; In the figure: 1. Conveyor belt assembly, 2. 2D visual inspection assembly, 3. 3D line scan assembly, 4. Lifting and positioning assembly, 5. Electric energy meter bottom shell, 11. Conveyor belt, 12. Motor, 21. Industrial camera, 22. Vertical pole, 23. Upper clamping block, 24. Base, 25. Crossbeam, 26. Up and down adjustment rod, 27. Surface light source, 28. Shooting port, 31. Fixed base, 32. Support column, 33. Line scan camera, 34. Transverse movement module, 35. Servo motor, 36. Moving plate, 41. Clamp, 42. Clamping cylinder, 43. Lifting cylinder, 44. Base frame, 45. Linear bearing, 46. Floating joint, 47. Guide rod, 48. Support block, 49. Heightening column. DETAILED DESCRIPTION
[0016] The technical solution of the present invention is further described in detail below through specific embodiments and in conjunction with the accompanying drawings: Example: Figure 1 As shown, a fully automatic screening device for the skewness of the pin needle of the bottom shell of an electric energy meter includes a conveyor belt component 1, a 2D visual inspection component 2, a 3D line scanning component and a lifting and positioning component 4. A 2D visual inspection station and a 3D line scanning station are arranged along the direction of the conveyor belt component, and infrared sensors are arranged on the 2D visual inspection station and the 3D line scanning station respectively, a 2D visual inspection component and a lifting and positioning component are arranged on the 2D visual inspection station, and a 3D line scanning component and a lifting and positioning component are arranged on the 3D line scanning station; The lifting and positioning assembly is used to lift and clamp the bottom shell of the electric energy meter from the conveyor belt; The 2D visual inspection component is used to identify the pin position of the bottom shell of the electric energy meter; The 3D line scan component is used to identify the pin height of the bottom shell of the electric energy meter.
[0017] like Figure 2 and Figure 3 As shown, the 2D visual inspection component includes a base 24, a vertical pole 22, an upper clamping block 23, a crossbeam 25, an up-and-down adjustment rod 26, an industrial camera 21 and a surface light source 27. The base is equipped with a vertical pole, a crossbeam is installed between the vertical poles through an upper clamping block, a fixed seat that can be adjusted along the crossbeam is installed on the crossbeam, an up-and-down adjustment rod is installed on the fixed seat, a surface light source is installed at the bottom of the fixed seat, a camera mounting seat that can be adjusted along the up-and-down adjustment rod is installed on the up-and-down adjustment rod, an industrial camera is fixedly installed on the camera mounting seat, a shooting port 28 is opened on the surface light source, and the camera head of the industrial camera is aimed at the shooting port.
[0018] like Figure 4 and Figure 5 The jacking and positioning assembly includes a base frame 44, a jacking cylinder 43 is arranged at the center of the base frame, the output end of the jacking cylinder is connected to the jacking plate through a floating joint 46, a clamping cylinder 42 is installed on the jacking plate, clamping claws 41 are respectively installed at both ends of the clamping cylinder, and a support block 48 is installed on the jacking plate through a raising column 49. The support block is used to support the bottom shell of the electric energy meter, and the clamping claw is used to clamp the bottom shell of the electric energy meter.
[0019] A guide rod 47 is fixedly installed at the bottom of the jacking plate, and a linear bearing 45 is installed between the guide rod and the bottom frame, and the guide rod rises and falls along the linear bearing.
[0020] The base frame comprises a base plate, a support rod and a support plate, and the support plate and the base plate are fixedly connected by the support rod.
[0021] like Figure 6 and Figure 7 As shown, the conveyor belt assembly includes a motor 12 and a conveyor belt 11. The motor drives the conveyor belt to drive the bottom shell 5 of the electric energy meter. The conveyor belt includes two side-by-side conveyor lines, and the lifting and positioning assembly is arranged between the two side-by-side conveyor lines.
[0022] like Figure 8 As shown, the 3D line scan assembly includes a fixed base 31, a support column 32, a lateral movement module 34 and a line scan camera 33. The fixed base is equipped with a support column, the lateral movement module is equipped with a moving plate 36, the moving plate is driven to move back and forth horizontally by the lateral movement module, the line scan camera is fixedly installed on the moving plate, and the line scan camera scans and shoots downward. The lateral movement module is driven by a servo motor 35 to drive the moving plate to move back and forth horizontally.
[0023] The present invention optimizes the existing 2D photography and 3D line scanning technology with positioning, adopts static visual recognition and positioning technology, introduces the existing image processing algorithm, can accurately locate the position of the pin, combine line scanning to identify the pin height, scan the width of the range of 100, and scan the entire bottom shell area at a speed of 100mm / s through the module. The combination of the two can accurately locate the skewness of the bottom shell pin.
[0024] After the equipment is working, the conveyor line starts and sends the bottom shell of the electric energy meter to the 2D visual guidance component 2. After the infrared sensor senses, it is lifted and clamped by the lifting and positioning component 4, so that the 2D visual guidance component 2 can identify the position of all pins in the bottom shell of the electric energy meter. After identification, the lifting and positioning component 4 is lowered and released, and the conveyor belt component 1 conveys the bottom shell of the electric energy meter to the field of view of the 3D line scanning component 3. After the infrared sensor senses, it is lifted and clamped by the lifting and positioning component 4. The 3D line scanning camera can identify the pin height of the bottom shell of the electric energy meter through the module transverse movement; after scanning, the lifting and positioning component 4 is lowered and released, and the bottom shell 5 of the electric energy meter flows away. The software automatically determines whether the bottom shell 5 of the electric energy meter is qualified or unqualified.
[0025] The above-described embodiment is only a preferred solution of the present invention and does not limit the present invention in any form. There are other variations and modifications without exceeding the technical solution described in the claims.
Claims
1. A fully automatic screening device for the skewness of the pins on the bottom shell of an electric energy meter, characterized in that: It includes a conveyor belt assembly, which includes a motor and a conveyor belt. The motor drives the conveyor belt to drive the bottom shell of the electric energy meter. A 2D visual inspection station and a 3D line scanning station are arranged along the conveyor belt direction. The 2D visual inspection station and the 3D line scanning station are respectively provided with induction sensors. The 2D visual inspection station is provided with a 2D visual inspection component and a lifting and positioning component, and the 3D line scanning station is provided with a 3D line scanning component and a lifting and positioning component. The lifting and positioning assembly is used to lift and clamp the bottom shell of the electric energy meter from the conveyor belt; The 2D visual inspection component is used to identify the pin position of the bottom shell of the electric energy meter; The 3D line scan component is used to identify the pin height of the bottom shell of the electric energy meter.
2. According to claim 1, a fully automatic screening device for the skewness of the pin pins of the bottom shell of an electric energy meter is characterized in that: The conveyor belt comprises two side-by-side conveyor lines, and the lifting and positioning assembly is arranged between the two side-by-side conveyor lines.
3. The fully automatic screening device for the skewness of the pin of the bottom shell of an electric energy meter according to claim 1 is characterized in that: The jacking and positioning assembly includes a base frame, a jacking cylinder is arranged at the center of the base frame, the output end of the jacking cylinder is connected to the jacking plate, a clamping cylinder is installed on the jacking plate, clamping claws are installed at both ends of the clamping cylinder, a support block is installed on the jacking plate through a pad column, the support block is used to support the bottom shell of the electric energy meter, and the clamping claws are used to clamp the bottom shell of the electric energy meter.
4. The fully automatic screening device for the skewness of the pins of the bottom shell of an electric energy meter according to claim 3 is characterized in that: A guide rod is fixedly installed at the bottom of the jacking plate, a linear bearing is installed between the guide rod and the base frame, and the guide rod rises and falls along the linear bearing.
5. According to claim 3, the fully automatic screening device for the skewness of the pin of the bottom shell of an electric energy meter is characterized in that: The base frame comprises a base plate, a support rod and a support plate, and the support plate and the base plate are fixedly connected via the support rod.
6. The fully automatic screening device for the skewness of the pins of the bottom shell of an electric energy meter according to claim 1 is characterized in that: The 2D visual inspection component includes a base, a vertical pole, an upper clamping block, a beam, an up-and-down adjustment rod, an industrial camera and a surface light source. The base is equipped with a vertical pole, a beam is installed between the vertical poles through an upper clamping block, a fixed seat that can be adjusted along the beam is installed on the beam, an up-and-down adjustment rod is installed on the fixed seat, a surface light source is installed at the bottom of the fixed seat, a camera mounting seat that can be adjusted along the up-and-down adjustment rod is installed on the up-and-down adjustment rod, an industrial camera is fixedly installed on the camera mounting seat, a shooting port is opened on the surface light source, and the camera head of the industrial camera is aimed at the shooting port.
7. The fully automatic screening device for the skewness of the pins of the bottom shell of an electric energy meter according to claim 1 is characterized in that: The 3D line scan assembly includes a fixed base, a support column, a transverse movement module and a line scan camera. The fixed base is equipped with a support column, the support column is equipped with a transverse movement module, the transverse movement module is provided with a moving plate, the moving plate is driven to move back and forth transversely through the transverse movement module, the moving plate is fixedly equipped with a line scan camera, and the line scan camera scans and shoots downward.
8. The fully automatic screening device for the skewness of the pins of the bottom shell of an electric energy meter according to claim 7 is characterized in that: The lateral movement module is driven by a servo motor to drive the moving plate to move back and forth horizontally.
9. The fully automatic screening device for the skewness of the pins of the bottom shell of an electric energy meter according to claim 3 is characterized in that: The output end of the lifting cylinder is connected to the lifting plate through a floating joint.