CN219433996U - Electric tool push switch size measurement system using CCD vision technology - Google Patents
Electric tool push switch size measurement system using CCD vision technology Download PDFInfo
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Abstract
The utility model provides a dimension measuring system of a push switch of an electric tool by utilizing CCD vision technology, which comprises a clamp, a closed detection box, a forward vision detection camera, a lateral vision detection camera, a first camera light source, a second camera light source, a light source control module, a test control module and a vision image processing module, wherein the clamp is arranged on the clamp; by arranging the camera modules in the inner cavity of the closed box in the closed environment, the illumination intensity on the push switch assembly can be controlled by the camera light source only during testing, and the influence of other illumination factors can not be caused, so that additional camera supplement light source modules are omitted, and the manufacturing cost of the testing device is reduced; in addition, the forward vision test camera and the lateral vision test camera are respectively installed in the inner cavity of the closed box through the height adjusting component and the position adjusting component, so that the respective photographing positions are adjustable, and the device can adapt to vision photographing measurement of push switch components with different overall dimensions and has better universality.
Description
Technical Field
The utility model relates to the technical field of push switch detection, in particular to a size measurement system of a push switch of an electric tool by utilizing a CCD vision technology.
Background
The push switch component is used as one part of a finished product of the push switch of the electric tool, the requirement of dimensional tolerance is extremely strict, and the switch component which is not in the tolerance range is installed in the switch, so that the finished product push switch is rejected due to unqualified electrical performance, or complained due to unstable work of the push switch entering a customer.
Most of existing push switches still rely on manual visual inspection in the production process, the product quality cannot be guaranteed, and the production cost is high, so that the mode of manual visual inspection is not preferable. For this reason, some technical means by means of CCD vision detection (machine vision products) have been gradually developed in the market to replace the human eyes for measurement and judgment. The CCD visual detection technology is a relatively mature object detection technology, and the principle is as follows: converting the shot target into an image signal through a machine vision product, transmitting the image signal to a special image processing system, and converting the image signal into a digital signal according to pixel distribution, brightness, color and other information; the image system performs various operations on the signals to extract the characteristics of the target, and then obtains a calculation result. However, the CCD visual detection technology is applied to specific push switch detection, and assembly coordination among various detection cameras, product clamps and the like is also required to be considered, so that satisfactory and stable detection results are ensured.
For example, the Chinese grant notice day is 2020.09.04, the grant notice number is CN211426238U, and the patent name is CCD vision detection equipment, which collects object information by using a first vision detection camera and a second vision detection camera, converts the object information into data signals, transmits the data signals to a data operation processor for comparison calculation, and ensures the cleaning degree of shooting of the detection camera by the first camera supplemental light source and the second camera supplemental light source, and ensures the accuracy of detection results by adjusting the illumination intensity by the supplemental light source control module. The CCD visual detection device can be used for photographing, analyzing and detecting objects, but the photographing position and angle of a camera are not adjustable, so that the CCD visual detection device is only suitable for detecting products with single fixed external dimensions, and has poor applicability; in addition, as the environment for detecting the product is an open environment, the external illumination factors have influence on the detection illumination intensity of the product, and the cost of the detection equipment and the detection difficulty are definitely increased by simply relying on a mode of supplementing a light source by a camera. Therefore, in view of the above, it is important to provide a CCD visual inspection structure with strong versatility, stable inspection environment and low cost.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model aims to provide a dimension measuring system for a push switch of an electric tool by utilizing a CCD vision technology, and aims to solve the problems of poor universality and high production cost of the conventional dimension detecting equipment for the push switch.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides an utilize CCD vision technique's electric tool pushing switch size measurement system, electric tool pushing switch size measurement system is including being used for placing the anchor clamps of waiting to detect the product, electric tool pushing switch size measurement system still includes confined detection case, forward vision detection camera, side direction vision detection camera, first camera light source, second camera light source, light source control module, test control module and vision image processing module, the anchor clamps are installed in the detection case inner chamber, forward vision detection camera is in through the altitude mixture control subassembly setting that is provided with the top of anchor clamps, side direction vision detection camera is in through the position adjustment subassembly setting that is provided with the side of anchor clamps, first camera light source sets up the front of anchor clamps, the second camera light source sets up the side of anchor clamps, light source control module respectively with first camera light source and second camera light source communication link to each other, test control module respectively with forward vision detection camera and side direction vision detection camera communication link to each other, test control module with vision image processing module communication links to each other.
Further, the height adjusting component comprises a base, a vertical rod, a first connector and a second connector, wherein the base is fixedly installed on the bottom end face of the detection box, the vertical rod is vertically rotatably installed on the base, the first connector is vertically slidably installed on the top end of the vertical rod, the second connector is horizontally and fixedly installed on the first connector through a connecting rod, and the forward vision detection camera is fixedly installed on the second connector.
Further, the surface of pole setting is provided with the slide rail along its axial, first connector includes first connecting block, second connecting block and locking screw, be formed with between first connecting block and the second connecting block with slide rail sliding fit's spout, first connecting block and second connecting block pass through locking screw fixed mounting is in the pole setting.
Further, an opening and a sliding door are arranged on one side of the detection box, horizontally arranged guide rails are respectively arranged on the upper side and the lower side of the opening, and the sliding door is slidably mounted on the guide rails and used for closing and opening the opening.
Further, the first camera light source and the second camera light source are respectively fixedly installed in the inner cavity of the detection box through a light source adjusting seat assembly, the light source adjusting seat assembly comprises a light source installation seat, a light source installation rod, a pair of light source connectors and a light source connecting rod, the light source installation seat is fixedly installed on the bottom end face of the detection box, the light source installation rod is vertically and fixedly installed on the light source installation seat, one light source connector is fixedly installed on the top end of the light source installation rod, one end of the light source connecting rod is fixedly connected with one light source connector, the other end of the light source connecting rod is connected with the other light source connector, and the first camera light source or the second camera light source is fixedly installed on the other light source connecting rod.
Further, the electric tool pushing switch size measurement system further comprises an air cylinder, wherein the air cylinder is fixedly arranged on the bottom end face of the detection box, a piston rod of the air cylinder is fixedly connected with the clamp, and the clamp is in sliding connection with the bottom face of the detection box along the width direction of the detection box.
The beneficial effects of the utility model are as follows:
the forward vision test camera, the lateral vision test camera, the first camera light source and the second camera light source are arranged in the inner cavity of the closed box in the closed environment, so that the illumination intensity on the push switch assembly is only controlled by the camera light source during testing, the influence of other illumination factors in the open test environment is avoided, an additional camera supplement light source module is omitted, the manufacturing cost of the test device is reduced, and meanwhile, the measurement result is more accurate and reliable; in addition, the forward vision test camera and the lateral vision test camera are respectively installed in the inner cavity of the closed box through the height adjusting component and the position adjusting component, so that the respective photographing positions are adjustable, and the device can adapt to vision photographing measurement of push switch components with different overall dimensions and has better universality.
Drawings
Fig. 1 is a schematic perspective view of a dimension measuring system of a push switch of a power tool according to an embodiment of the present application.
Fig. 2 is a schematic diagram of an internal structure of a dimension measuring system of a push switch of a power tool according to an embodiment of the present application.
Fig. 3 is a schematic structural diagram of a first camera light source or a second camera light source mounted on a light source adjusting seat assembly according to an embodiment of the present application.
Fig. 4 is a schematic structural view of a height adjusting assembly according to an embodiment of the present application.
Fig. 5 is a schematic block diagram of an embodiment of the present application.
In the figure: the device comprises a 1-detection box, a 2-sliding door, a 3-guide rail, a 4-clamp, a 5-first camera light source, a 6-height adjusting component, a 61-base, a 62-vertical rod, a 63-first connecting block, a 631-first connecting block, a 632-second connecting block, a 633-locking screw, a 634-sliding groove, a 64-connecting rod, a 65-second connecting block, a 7-light source adjusting seat component, a 71-light source mounting seat, a 72-light source mounting rod, a 73-first light source connector, a 731-notch, a 74-second light source connector, a 75-locking screw, an 8-forward visual detection camera, a 9-lateral visual detection camera, a 10-second camera light source, a 11-position adjusting component, a 12-cylinder, a 13-light source control module, a 14-IO detection and motion control module, a 15-test control module, a 16-visual image processing module and a 17-sliding rail.
Description of the embodiments
The utility model is described in further detail below with reference to the drawings and the detailed description.
Referring to fig. 1, 2 and 5, the present embodiment provides a power tool push switch dimension measurement system using CCD vision technology, which includes a fixture 4, a closed inspection box 1, a forward vision inspection camera 8, a lateral vision inspection camera 9, a first camera light source 5, a second camera light source 10, a light source control module 13, a test control module 15 and a vision image processing module 16, wherein the fixture 4, the forward vision inspection camera 8, the lateral vision inspection camera 9, the first camera light source 5 and the second camera light source 10 are installed in an inner cavity of the inspection box 1.
In this embodiment, the function of the enclosure is to provide a device that can prevent external light from interfering with the intensity of light when the push switch assembly is detected. As shown in fig. 1, the closed box in this embodiment is a closed box structure, the front end surface of the closed box is provided with an opening convenient to operate, the upper edge and the lower edge of the opening are respectively and horizontally provided with a guide rail 3, and a sliding door which horizontally slides is installed on the guide rail 3, and the sliding door has the function of realizing the closing or opening of the opening.
Referring to fig. 2, a bottom end surface of the closed box is provided with a slide rail 17 along a width direction thereof, the clamp 4 is slidably mounted on the slide rail 17, and a bottom end of the clamp 4 is connected with a cylinder 12 provided thereon, and is driven to slide back and forth by the cylinder 12.
The forward vision detection camera 8 is arranged above the clamp 4 and is used for photographing and detecting the outline dimension of the upper end face of the push switch assembly. In order that the forward vision detecting camera 8 can clearly photograph the top end profile of the push switch assembly, in the present embodiment, first camera light sources 5 are provided in the front-rear direction of the jig 4, respectively.
In order to obtain a better visual inspection, the position of the first camera light source 5 relative to the fixture 4 is adjustable. Referring to fig. 2 and 3, the first camera light source 5 is fixedly installed in the inner cavity of the detection box 1 through a light source adjusting seat assembly 7.
Specifically, the light source adjusting seat assembly 7 includes a light source mounting seat 71, a light source mounting rod 72, a pair of light source connectors, and a light source connecting rod. For convenience of description, the light source connector mounted at the top end of the light source mounting bar 72 is abbreviated as a first light source connector 73, and the light source connector connected to the first camera light source 5 is abbreviated as a second light source connector 74.
As shown in fig. 3, the light source mounting base 71 is fixedly mounted on the bottom end surface of the detection box 1, the light source mounting rod 72 is vertically and fixedly mounted on the light source mounting base 71, the first light source connector 73 is fixedly mounted on the top end of the light source mounting rod 72, one end of the light source connecting rod is fixedly connected with the first light source connector 73, the other end of the light source connecting rod is connected with the second light source connector 74, and the first camera light source 5 is fixedly mounted on the second light source connector 74. Since the first light source connector 73 and the second light source connector 74 have the same structure, only the structure of the first light source connector 73 will be described below: the first light source connector 73 has a mounting groove formed at a middle position thereof to be fitted with the light source mounting rod 72, and a notch 731 is provided at one side of the mounting groove, and a locking screw 75 is mounted at one side of the notch 731 of the first light source connector 73.
During adjustment, the first light source connector 73 can be lifted and lowered along the light source mounting rod 72 by loosening the locking screw 75 on one side of the notch 731, and when the first light source connector 73 is moved to a proper height position, the locking screw 75 is locked, so that the notches 731 on one side of the first light source connector 73 are closed to each other, thereby achieving locking. Since the second light source connector 74 has the same structure as the first light source connector 73, the adjustment principle of the second light source connector 74 will not be described here, i.e. the second camera light source 10 can be adjusted by the mounting position of the second light source connector 74 on the light source connecting rod.
In order to enable the forward vision detection camera 8 to have better universality, the push switch assemblies with different outline dimensions can be subjected to vision detection, the forward vision detection camera 8 in the embodiment is arranged above the clamp 4 through the height adjusting assembly 6, and the mounting height and the front and rear positions of the forward vision detection camera 8 can be flexibly adjusted through the height adjusting assembly 6. It can be understood that when the push switch assembly with smaller external dimension is used for visual detection, the forward visual detection assembly can be adjusted to a lower working height position, whereas when the external dimension of the push switch assembly for detection is larger, the forward visual detection assembly can be adjusted to a higher working height position.
Referring to fig. 2 and 4 in combination, the height adjusting assembly 6 of the present embodiment includes a base 61, a pole 62, a first connector 63, and a second connector 65. The base 61 fixed mounting is at the bottom end face of detecting box 1, and pole setting 62 vertical rotation is installed on base 61, and the vertical slidable mounting of first connector 63 is in pole setting 62 top department, and the horizontal fixed mounting of connecting rod 64 through being provided with of second connector 65 is on first connector 63, and forward visual detection camera 8 fixed mounting is on second connector 65.
As shown in fig. 4, in the present embodiment, the sliding structure formed between the first connector 63 and the upright 62 is: the outer surface of pole setting 62 is provided with the slide rail along its axial, and first connector 63 includes first connecting block 631, second connecting block 632 and locking screw 633, is formed with between first connecting block 631 and the second connecting block 632 with slide rail sliding fit's spout 634, first connecting block 631 and second connecting block 632 pass through locking screw 633 fixed mounting on pole setting 62.
During adjustment, the locking screw 633 is firstly loosened, so that the first connector 63 can lift and slide along the sliding rail on the outer surface of the upright rod 62, and when the first connector 63 slides to a proper height position, the locking screw 633 is locked, so that the first connector 63 is kept fixed at the height position; similarly, when the front and rear positions of the forward vision detecting camera 8 need to be adjusted, the front and rear position adjustment of the forward vision detecting camera 8 can be achieved by adjusting the front and rear mounting positions of the second connector 65 on the connecting rod 64.
Referring to fig. 2, in the present embodiment, the lateral vision detecting camera 9 is disposed at one side (e.g., left side) of the fixture 4, and the second camera light source 10 is correspondingly disposed at the other side (e.g., right side) of the fixture 4, so that the second lateral vision detecting camera 9 does not interfere with the illumination light emitted from the second camera light source 10.
It should be noted that, since the second camera light source 10 is also fixedly mounted in the inner cavity of the detection box 1 through the light source adjusting seat assembly 7, the adjusting principle of the second camera light source 10 is the same as that of the first camera light source 5, and the description thereof will not be repeated.
Referring to fig. 2, in the present embodiment, the lateral vision detecting camera 9 is also disposed on the side of the fixture 4 by a position adjusting assembly 11, and since the position adjusting assembly 11 only has a function of ensuring that the left and right positions of the lateral vision detecting camera 9 are adjustable, a conventional elongated waist-shaped hole adjusting structure can be directly adopted, and will not be described herein.
Referring to fig. 5, the functions of the light source control module 13, the test control module 15, the visual image processing module 16, and the IO detection and motion control module 14 in this embodiment are respectively corresponding to the light-off control of the light source camera, the control of the visual inspection camera, the processing of the image signal captured by the visual inspection camera, and the detection of the interface signals of the ports of the respective components, so that the corresponding control module in the conventional CCD visual inspection system can be directly adopted, and only the connection relationship with the other components will be described herein.
In this embodiment, the light source control module 13 is respectively connected to the first camera light source 5 and the second camera light source 10 in a communication manner, the light source control module 13 is connected to the test control module 15 in a communication manner through a serial line, and the IO detection and motion control module 14 is connected to the test control module 15 in a communication manner through a serial line. The forward vision detection camera 8 and the lateral vision detection camera 9 are respectively in communication connection with the test control module 15 through the internet access USB module, and the test control module 15 is in communication connection with the vision image processing module 16.
For a better understanding of the power tool push switch size measurement system in this embodiment, the following description will explain the working principle thereof:
during detection, the sliding door is opened, a to-be-detected pushing switch detection assembly is fixed on the clamp 4, after the pushing switch detection assembly is placed in place, the sliding door is closed, the cylinder 12 drives the clamp 4 to a preset position, the forward vision detection assembly and the lateral vision detection assembly start to acquire images of the appearance of the pushing switch detection assembly, acquired image signals are transmitted to the test control module 15 and transmitted to the vision image processing module 16 through the test control module 15 for analysis and calculation, and a detection result of the pushing switch detection assembly is obtained; the visual image processing module 16 may also analyze the received image signal to send out an adjustment control signal, and the sent adjustment control signal controls the first camera light source 5 and the second camera light source 10 to act through the test control module 15, so as to provide appropriate illumination intensity, so as to obtain a clearer visual image.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (6)
1. Utilize CCD vision technology's electric tool pushing switch size measurement system, electric tool pushing switch size measurement system is including being used for placing the anchor clamps of waiting to detect the product, a serial communication port, electric tool pushing switch size measurement system still includes confined detection case, forward vision detection camera, side direction vision detection camera, first camera light source, second camera light source, light source control module, test control module and vision image processing module, the anchor clamps are installed in the detection case inner chamber, forward vision detection camera is in through the altitude mixture control subassembly setting that is provided with the top of anchor clamps, side direction vision detection camera is in through the position adjustment subassembly setting that is provided with the side of anchor clamps, first camera light source sets up the front of anchor clamps, the second camera light source sets up the side of anchor clamps, light source control module respectively with first camera light source and second camera light source communication link to each other, test control module respectively with forward vision detection camera and side direction vision detection camera communication link to each other, test control module with vision image processing module communication links to each other.
2. The system for measuring the size of a push switch of a power tool by using a CCD vision technique according to claim 1, wherein the height adjusting assembly comprises a base, a vertical rod, a first connector and a second connector, the base is fixedly mounted on the bottom end surface of the detection box, the vertical rod is vertically rotatably mounted on the base, the first connector is vertically slidably mounted on the top end of the vertical rod, the second connector is horizontally and fixedly mounted on the first connector through a connecting rod, and the forward vision detection camera is fixedly mounted on the second connector.
3. The system for measuring the size of the push switch of the electric tool by utilizing the CCD visual technology according to claim 2, wherein a sliding rail is arranged on the outer surface of the upright rod along the axial direction of the upright rod, the first connecting head comprises a first connecting block, a second connecting block and a locking screw, a sliding groove which is in sliding fit with the sliding rail is formed between the first connecting block and the second connecting block, and the first connecting block and the second connecting block are fixedly arranged on the upright rod through the locking screw.
4. The size measurement system of a push-pull switch of a power tool using a CCD vision technique according to claim 1, wherein an opening and a sliding door are provided at one side of the detection box, horizontally disposed guide rails are provided at upper and lower sides of the opening, respectively, and the sliding door is slidably mounted on the guide rails for closing and opening the opening.
5. The system according to claim 1, wherein the first camera light source and the second camera light source are fixedly installed in the inner cavity of the detection box through a light source adjusting seat assembly, the light source adjusting seat assembly comprises a light source installation seat, a light source installation rod, a pair of light source connectors and a light source connecting rod, the light source installation seat is fixedly installed on the bottom end face of the detection box, the light source installation rod is vertically and fixedly installed on the light source installation seat, one light source connector is fixedly installed on the top end of the light source installation rod, one end of the light source connecting rod is fixedly connected with one light source connector, the other end of the light source connecting rod is connected with the other light source connector, and the first camera light source or the second camera light source is fixedly installed on the other light source connecting rod.
6. The system for measuring the size of a push switch of a power tool by using a CCD vision technique according to claim 1, further comprising a cylinder fixedly installed on the bottom end surface of the detection box, a piston rod of the cylinder being fixedly connected to the jig, the jig being slidably connected to the bottom surface of the detection box in the width direction of the detection box.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202223399632.9U CN219433996U (en) | 2022-12-19 | 2022-12-19 | Electric tool push switch size measurement system using CCD vision technology |
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| CN202223399632.9U CN219433996U (en) | 2022-12-19 | 2022-12-19 | Electric tool push switch size measurement system using CCD vision technology |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117484177A (en) * | 2023-12-29 | 2024-02-02 | 歌尔股份有限公司 | Assembling equipment and control method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117484177A (en) * | 2023-12-29 | 2024-02-02 | 歌尔股份有限公司 | Assembling equipment and control method thereof |
| CN117484177B (en) * | 2023-12-29 | 2024-04-09 | 歌尔股份有限公司 | Assembling equipment and control method thereof |
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