CN111721205A - Non-contact size detection equipment - Google Patents
Non-contact size detection equipment Download PDFInfo
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- CN111721205A CN111721205A CN202010613336.0A CN202010613336A CN111721205A CN 111721205 A CN111721205 A CN 111721205A CN 202010613336 A CN202010613336 A CN 202010613336A CN 111721205 A CN111721205 A CN 111721205A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/06—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material
- G01B11/0608—Height gauges
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- Length Measuring Devices By Optical Means (AREA)
Abstract
The present invention provides a non-contact size detection apparatus, comprising: a supporting seat; the first linear module is arranged on the upper surface of the supporting seat along the front-back direction and is connected with the lower part of the carrying disc; the two height difference detection devices are oppositely arranged on the left side and the right side of the first straight line module; the first camera and the second camera are oppositely arranged on the left side and the right side of the first linear module; the third camera is arranged on the cross beam and faces the first linear module; a size detection device connected to the first camera, the second camera, and the third camera. According to the non-contact size detection equipment, the two-dimensional size and the three-dimensional size of the electronic product can be automatically and rapidly detected, the structure is compact, and the detection efficiency is high.
Description
Technical Field
The invention relates to the field of size detection, in particular to non-contact size detection equipment.
Background
Specifications of electronic products such as mobile phones, tablet computers, batteries and the like need to meet preset requirements, and two-dimensional and three-dimensional sizes need to be detected. Traditional contact size detection equipment easily causes the damage to electronic product, can't the batch operation.
Disclosure of Invention
In view of the above, the present invention provides a non-contact size detection apparatus, which can automatically and rapidly detect two-dimensional and three-dimensional sizes of electronic products, and has a compact structure and high detection efficiency.
In order to solve the above technical problem, the present invention provides a non-contact size detecting apparatus, comprising:
a supporting seat;
the first linear module is arranged on the upper surface of the supporting seat along the front-back direction, the first linear module is connected with the lower part of the carrying disc so as to drive the carrying disc to move along the front-back direction, and the carrying disc is used for carrying a product to be detected;
the two height difference detection devices are oppositely arranged on the left side and the right side of the first straight line module and are respectively used for detecting the height difference of the left side and the right side of a product to be detected;
the first camera and the second camera are oppositely arranged on the left side and the right side of the first straight line module, are arranged adjacent to the two height difference detection devices in the front-back direction, and are respectively used for acquiring images of the left side and the right side of a product to be detected;
the gantry support comprises support plates arranged on the left side and the right side of the first linear module and a cross beam which connects the two support plates and is located above the first linear module in the vertical direction, and the third camera is arranged on the cross beam, faces the first linear module and is used for collecting images of the upper surface of a product to be detected;
the size detection device is connected with the first camera, the second camera and the third camera so as to detect the sizes of the left side, the right side and the upper surface of the product to be detected according to the images collected by the first camera, the second camera and the third camera respectively.
Further, the height difference detection device comprises a height difference scanner, and the height difference scanner is any one of a point laser displacement sensor, a line laser displacement sensor and a spectrum confocal displacement sensor.
Further, the height difference detecting device further includes:
the first lifting device is connected with the height difference scanner so as to drive the height difference scanner to perform lifting movement.
Further, the non-contact detection apparatus further includes:
the first adjusting platform is connected to the lower part of the first camera and comprises a first adjusting nut, and the first camera can move left and right by adjusting the first adjusting nut;
and the second adjusting platform is connected to the lower part of the second camera and comprises a second adjusting nut, and the second camera can move left and right by adjusting the second adjusting nut.
Further, the non-contact detection apparatus further includes:
and the second lifting device is connected with the third camera to drive the third camera to move up and down.
Further, the non-contact detection apparatus further includes:
and the second linear module is arranged on the cross beam along the left-right direction and is connected with the second lifting device so as to drive the second lifting device to move left and right.
Further, the non-contact detection apparatus further includes:
the fourth camera is arranged at the rear end of the first linear module and used for collecting the rear end graph of the product to be detected;
the size detection device is connected with the fourth camera to detect the size of the rear end of the product to be detected according to the image collected by the fourth camera.
Further, the non-contact detection apparatus further includes:
the third straight line module is arranged along the left-right direction and is adjacent to the rear end of the first straight line module, and the third straight line module is connected with the fourth camera to drive the fourth camera to move left and right.
Further, the boat includes:
the turnover mechanism is used for overturning the product to be detected back and forth;
the noncontact size detection apparatus further includes:
and the control device is connected with the turnover mechanism, and when the carrying disc moves to a preset position of the first linear module, the turnover mechanism turns the product to be detected back and forth.
Further, the first linear module is a screw rod type linear module or a linear motor type linear module.
The technical scheme of the invention at least has one of the following beneficial effects:
the non-contact size detection equipment comprises a supporting seat, a first linear module, a carrying disc, two height difference detection devices, a first camera, a second camera, a third camera, a gantry support and a size detection device, wherein the carrying disc carrying a product to be detected is driven to move back and forth by the first linear module arranged on the supporting seat, when the product to be detected moves to the height difference detection device, the height difference of the product to be detected is synchronously detected by the two height difference detection devices to obtain the sizes of concave-convex structures on the left side and the right side of the product to be detected, when the product to be detected moves to the positions of the first camera and the second camera, images on the left side and the right side of the product to be detected are synchronously acquired by the first camera and the second camera, the size detection device detects the left size and the right size according to the left side image and the right side image of the product to be detected, and when the product to be, the image of the upper surface of the product to be detected is acquired through the third camera, the size detection device detects the image of the upper surface according to the image of the upper surface of the product to be detected, the left side size, the left side concave-convex structure size, the right side concave-convex structure size and the upper surface size of the product to be detected can be rapidly and simply obtained, and the equipment is compact in structure, high in efficiency and good in stability.
Drawings
FIG. 1 is a schematic structural diagram of a non-contact size detection apparatus according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of the first camera and the first adjustment stage in fig. 1.
Reference numerals:
100. a supporting seat; 200. a first linear module; 300. a height difference detection device; 410. a first camera; 420. a second camera; 430. a first adjusting table; 431. a first adjusting nut; 432. a first regulating block; 433. a first adjusting seat; 510. a third camera; 520. a second lifting device; 530. a second linear module; 540. a gantry support; 610. a fourth camera; 620. a third linear module; 700. and (4) carrying a disc.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention, are within the scope of the invention.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships are changed accordingly.
Hereinafter, a noncontact size detecting apparatus according to an embodiment of the present invention is explained with reference to the drawings.
As shown in fig. 1 and 2, the noncontact size detection apparatus according to the present invention includes: the device comprises a support base 100, a first linear module, a carrying disc 700, two height difference detection devices 300, a first camera 410, a second camera 420, a third camera 510, a gantry bracket 540 and a size detection device.
First, the first linear module and the boat 700 will be described.
The first linear module 200 is disposed on the upper surface of the supporting base 100 along the front-back direction, the first linear module 200 is connected to the lower portion of the carrier tray 700 to drive the carrier tray 700 to move along the front-back direction, and the carrier tray 700 is used for carrying a product to be detected.
The first linear module 200 may be a screw-type linear module or a linear motor-type linear module. For example, the linear motor type linear module may include: aluminium alloy, linear electric motor, guide rail etc. lead screw type linear module can include: rotating electrical machines, lead screws, sliders, guide rails, aluminum profiles and the like.
The first linear module 200 drives the carrier tray 700 carrying the product to be detected (electronic product) to move in the front-back direction, so that the size detection component can detect the size of the product to be detected. The first linear module 200 is high in precision and stable in transmission, and can enable a product to be detected to move stably, so that the size detection component can accurately detect the two-dimensional size and the three-dimensional size of the product to be detected.
Next, the two height difference detection devices 300 will be described.
The two height difference detection devices 300 are oppositely arranged on the left side and the right side of the first straight line module 200, and are respectively used for detecting the height difference of the left side and the right side of the product to be detected.
The side of the electronic product is usually of a concave-convex structure, such as a side key, a card slot, etc. of a mobile phone. The height difference detection device 300 can detect the height difference between the uneven structure and the non-uneven structure by scanning the side edge with reference to the non-uneven structure on the side edge, and thus can detect the size of the uneven structure.
Two difference in height detection device 300 set up relatively, detect the size to the left side, the right side of waiting to detect the product on year dish 700 in step, and efficiency is higher, compact structure.
Next, the first camera 410 and the second camera 420 are explained.
The first camera 410 and the second camera 420 are oppositely disposed at the left and right sides of the first linear module 200, and are disposed adjacent to the two height difference detection devices 300 in the front-rear direction, and are respectively used for acquiring images of the left side and the right side of the product to be detected.
The first camera 410 and the second camera 420 arranged on the left side and the right side of the first straight line module 200 can synchronously acquire images of products to be detected, can simultaneously acquire images of the left side and the right side of the products to be detected, and can improve efficiency.
Next, the third camera 510 and the gantry frame 540 are explained.
The gantry support 540 includes support plates disposed at left and right sides of the first linear module 200, and a beam connecting the two support plates and vertically above the first linear module 200, and the third camera 510 is disposed on the beam and facing the first linear module 200, and is configured to collect an image of an upper surface of a product to be detected.
Therefore, the image of the upper surface of the product to be detected can be collected relatively simply.
Finally, the size detection device is explained.
The size detection device is connected to the first camera 410, the second camera 420 and the third camera 510, so as to detect the sizes of the left side, the right side and the upper surface of the product to be detected according to the images collected by the first camera 410, the second camera 420 and the third camera 510.
The technology for detecting the size is mature according to the image, for example, the relationship between the size and the pixel can be established, then the edge pixel length of the product to be detected is detected, and the edge size of the product to be detected can be obtained through calculation. The size detection device can be a computer, a server and the like, images collected by the cameras are collected to the size detection device, and the sizes of the left side, the right side and the upper surface of a product to be detected can be obtained quickly and conveniently.
The non-contact detection device formed above drives the carrier tray 700 carrying the product to be detected to move back and forth through the first linear module 200 arranged on the supporting seat 100, when the product to be detected moves to the position of the height difference detection device 300, the height difference of the product to be detected is synchronously detected by the two height difference detection devices 300 to obtain the sizes of the concave-convex structures at the left side and the right side of the product to be detected, when the product to be detected moves to the positions of the first camera 410 and the second camera 420, the left side image and the right side image of the product to be detected are synchronously acquired through the first camera 410 and the second camera 420, the size detection device detects the left side size and the right side size according to the left side image and the right side image of the product to be detected, when the product to be detected moves to the position of the third camera 510, the image of the upper surface of the product to be detected is acquired by the third camera 510, and the size detection device detects the image of the upper surface of the product to be detected according to the image of the upper surface of the product to be detected. Therefore, the left side size, the left side concave-convex structure size, the right side concave-convex structure size and the upper surface size of a product to be detected can be quickly, simply and conveniently obtained, and the device is compact in structure, high in efficiency and good in stability.
According to some embodiments of the present invention, the height difference detecting device 300 includes a height difference scanner, which is any one of a point laser displacement sensor, a line laser displacement sensor, and a spectral confocal displacement sensor.
The point laser displacement sensor, the line laser displacement sensor and the spectrum confocal displacement sensor can detect the height difference of a product to be detected, and can be selected and matched according to the requirements of users.
Further, the height difference detecting device 300 further includes a first elevating device. The first lifting device is connected with the height difference scanner to drive the height difference scanner to perform lifting movement.
The height difference detection device 300 can be adjusted up and down through the first lifting device, and can be suitable for different products to be detected. The first lifting device may be a motor-based mechanism that drives the elevation difference scanner to perform a lifting motion via a motor. Therefore, the position of the height difference scanner can be accurately adjusted, the height difference (the size of the concave-convex structure) of the product to be detected can be accurately detected, and the size of the product to be detected of different models can be detected.
According to some embodiments of the present invention, the non-contact size inspection apparatus further comprises a first conditioning stage 430 and a second conditioning stage.
The first adjustment stage 430 is connected to a lower portion of the first camera 410, and the first adjustment stage 430 includes a first adjustment nut 431, and the first adjustment nut 431 is adjusted to enable the first camera 410 to move left and right or front and back. And the second adjusting platform is connected to the lower part of the second camera 420 and comprises a second adjusting nut, and the second camera 420 can move left and right by adjusting the second adjusting nut.
For example, as shown in fig. 2, the first adjusting table 430 may include a first adjusting block 432 having an upper portion and a lower portion that are relatively movable, a first adjusting nut 431 disposed at the lower portion of the first adjusting block 432, and a first adjusting base 433 for carrying the first adjusting block 432, the upper portion of the first adjusting block 432 is connected to the first camera 410, and the upper portion of the first adjusting block 432 moves relative to the lower portion by adjusting the first adjusting nut 431, so as to drive the first camera 410 to move. It should be noted that the number of the first adjusting blocks 432 is not limited, and may be one or two, and the first camera 410 is supported by the two adjusting blocks, so that the first camera 410 is more stable, and can be selected according to requirements. Therefore, the left and right positions of the first camera 410 can be simply and conveniently adjusted, the focal length of the shot image is adjusted, the picture shot by the first camera 410 is clearer, the size of a product to be detected can be accurately obtained, the cost of the first adjusting table 430 is lower, and the cost can be saved. The structure of the second conditioning station may correspond to the structure of the first conditioning station 430.
According to some embodiments of the present invention, the non-contact size detecting apparatus further comprises a second lifting device 520. The second lifting device 520 is connected to the third motor 510 to drive the third motor 510 to move up and down.
The up-down position of the third camera 510 can be precisely adjusted by the second elevating device 520. The second elevating device 520 may be a motor structure, and the third camera 510 is driven by the motor to perform an elevating motion. From this, can the focus of accurate adjustment third camera 510 for the photo that third camera 510 gathered is more clear, is convenient for accurately obtain the size of the upper surface of waiting to detect the product.
Further, the non-contact size detecting apparatus further includes a second linear module 530. The second linear module 530 is disposed on the cross beam along the left-right direction and connected to the second lifting device 520 to drive the second lifting device 520 to move left and right.
The left and right positions of the second lifting device 520 can be accurately adjusted through the second linear module 530, the second lifting device 520 drives the third camera 510 to move, so that the left and right positions of the third camera 510 are adjusted, and the third camera 510 can shoot a product to be detected at a better angle. Moreover, the position of the third camera 510 can be adjusted to both ends of the cross beam through the second linear module 530, which is convenient for inspection, maintenance and overhaul.
According to some embodiments of the invention, the contactless detection device further comprises a fourth camera 610. The fourth camera 610 is disposed at the rear end of the first linear module 200 and is configured to collect a rear end pattern of the product to be detected. The size detection device is connected to the fourth camera 610 to detect the rear end size of the product to be detected according to the image collected by the fourth camera 610.
When the product to be detected moves to the rear part of the first linear module 200, the fourth camera 610 collects the rear end image of the product to be detected, and the size detection device detects the rear end size of the product to be detected according to the rear end image of the product to be detected. From this, can detect out the rear end size of waiting to detect the product fast and conveniently.
Further, the non-contact size detecting apparatus further includes a third linear module 620. The third linear module 620 is connected to the fourth camera 610 to drive the fourth camera 610 to move left and right.
The left and right positions of the fourth camera 610 can be precisely adjusted by the third linear module 620. Therefore, the angle of the fourth camera 610 for collecting the image is better, and the more accurate rear-end image of the product to be detected is obtained, so that the rear-end size of the product to be detected can be detected more accurately.
Further, the boat 700 includes a flipping mechanism. The turnover mechanism is used for turning over the product to be detected. The non-contact size detection apparatus further includes a control device. The control device is connected with the turnover mechanism, and when the carrying disc 700 moves to a preset position of the first linear module 200, the product to be detected is turned over back and forth through the turnover mechanism.
Tilting mechanism can be diversified, for example including setting up the upset arm on year dish 700 at turning device, hold up through the upset arm and wait to detect the product for it is unsettled to detect the product, and the one end of waiting to detect the product through the upset arm pull-up after that lets its rotation 180 degrees, will detect at last that the product is placed and is carried dish 700.
For example, when the carrying tray 700 moves to the rear position of the first linear module 200, the fourth camera 610 collects the rear end image of the product to be detected, the control device turns the product to be detected forward and backward through the turning mechanism, the fourth camera 610 collects the front end image of the product to be detected, so that the front end size of the product to be detected can be detected, the first linear module 200 drives the carrying tray 700 to move forward to the position of the third camera 510, the third camera 510 collects the lower surface image of the product to be detected, and the lower surface size of the product to be detected can be detected. From this, first straight line module 200 drive bears the weight of and waits to detect the year dish 700 backward movement that waits to detect out the left side concave-convex structure size, left side size, right side concave-convex structure size, right side size, upper surface size, the rear end size of waiting to detect the product, and first straight line module 200 drive bears the weight of and waits to detect the year dish 700 forward movement that waits to detect the product, can detect out the front end size, the lower surface size of waiting to detect the product, and is efficient, fast.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (9)
1. A non-contact dimensional sensing device, comprising:
a support base (100);
the first linear module (200) is arranged on the upper surface of the supporting seat (100) along the front-back direction, the first linear module (200) is connected with the lower portion of the carrying disc (700) to drive the carrying disc (700) to move along the front-back direction, and the carrying disc (700) is used for carrying a product to be detected;
the two height difference detection devices (300) are oppositely arranged at the left side and the right side of the first straight line module (200) and are respectively used for detecting the height difference of the left side and the right side of a product to be detected;
the first camera (410) and the second camera (420) are oppositely arranged on the left side and the right side of the first straight line module (200), are arranged adjacent to the two height difference detection devices (300) in the front-back direction, and are respectively used for acquiring images of the left side and the right side of a product to be detected;
the gantry support (540) comprises support plates arranged on the left side and the right side of the first linear module (200) and a cross beam which connects the two support plates and is located above the first linear module (200) in the vertical direction, and the third camera (510) is arranged on the cross beam, faces the first linear module (200) and is used for collecting images of the upper surface of a product to be detected;
the size detection device is connected with the first camera (410), the second camera (420) and the third camera (510) and is used for detecting the sizes of the left side, the right side and the upper surface of a product to be detected according to the images collected by the first camera (410), the second camera (420) and the third camera (510).
2. The non-contact dimensional detection apparatus according to claim 1, wherein the height difference detection device (300) comprises a height difference scanner, the height difference scanner being any one of a point laser displacement sensor, a line laser displacement sensor and a spectral confocal displacement sensor.
3. The non-contact dimensional detection device according to claim 2, wherein the height difference detection means (300) further comprises:
the first lifting device is connected with the height difference scanner so as to drive the height difference scanner to perform lifting movement.
4. The noncontact dimensional sensing device of claim 1, further comprising:
a first adjusting platform (430), wherein the first adjusting platform (430) is connected to the lower part of the first camera (410), the first adjusting platform (430) comprises a first adjusting nut, and the first camera (410) can move left and right by adjusting the first adjusting nut;
and the second adjusting platform is connected to the lower part of the second camera (420), and comprises a second adjusting nut which is adjusted to enable the second camera (420) to move left and right.
5. The noncontact dimensional sensing device of claim 1, further comprising:
a second lifting device (520), wherein the second lifting device (520) is connected with the third camera (510) to drive the third camera (510) to move up and down.
6. The noncontact dimensional sensing device of claim 5, further comprising:
the second linear module (530) is arranged on the cross beam along the left-right direction and is connected with the second lifting device (520) so as to drive the second lifting device (520) to move left and right.
7. The noncontact dimensional sensing device of claim 1, further comprising:
the fourth camera (610) is arranged at the rear end of the first straight line module (200) and used for collecting a rear end graph of a product to be detected;
the size detection device is connected with the fourth camera (610) so as to detect the size of the rear end of the product to be detected according to the image collected by the fourth camera (610).
8. The noncontact dimensional sensing device of claim 7, further comprising:
the third straight line module (620) is arranged along the left-right direction and is adjacent to the rear end of the first straight line module (200), and the third straight line module (620) is connected with the fourth camera (610) to drive the fourth camera (610) to move left and right.
9. The non-contact dimensional detection apparatus according to claim 1, wherein the first linear module (200) is a screw-type linear module or a linear motor-type linear module.
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| CN114440771A (en) * | 2022-01-24 | 2022-05-06 | 苏州佳祺仕信息科技有限公司 | Size offset detection device |
| CN116718120A (en) * | 2023-05-29 | 2023-09-08 | 苏州佳祺仕科技股份有限公司 | Workpiece size detection device and detection method |
| CN117589062A (en) * | 2024-01-18 | 2024-02-23 | 宁德时代新能源科技股份有限公司 | Size detection device and size detection method |
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