Laser displacement sensor detection device and production line

Abstract

The utility model relates to a laser displacement sensor detection device and a production line. The laser displacement sensor detection device comprises a product fixing unit, a function switching unit, a visual detection unit, a light source detection unit and a power detection unit, the product fixing unit comprises a base and a quick clamp; the function switching unit comprises a plurality of first air cylinders arranged on the base. The visual detection unit comprises a visual camera arranged on one side of the base; the light source detection unit comprises an X-axis linear motor arranged on one side of the base, the output end of the X-axis linear motor is provided with a detection lens and a Y-axis linear motor located between the detection lens and the base, and the output end of the Y-axis linear motor is provided with a target group; the power detection unit comprises a second cylinder, and the output end of the second cylinder is provided with a power meter. According to the detection device, a plurality of detection units are integrated, the occupation of the working space is reduced, each detection unit realizes automatic detection through an automatic mechanism, the detection efficiency is high, the accuracy is good, and the detection cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of laser displacement sensors, in particular to a detection device and a production line for laser displacement sensors. Background Technique

[0002] A laser displacement sensor is a sensor that uses laser technology for measurement. It consists of a laser, a laser detector, and a measurement circuit, and can accurately measure non-contact changes in the position, displacement, etc. of the object to be measured. It can measure precise geometric measurements such as displacement, thickness, vibration, distance, diameter, etc. Laser has the excellent characteristic of good straightness and has higher accuracy than the ultrasonic sensors we know.

[0003] During the production process of laser displacement sensors, there is a functional detection link. The current detection method sets up detection devices at multiple different workstations for different detection items of laser displacement sensors. Workers perform various detections on laser displacement sensors through an assembly line, resulting in low detection efficiency, high labor costs, and large space occupied by the detection equipment and the assembly line installed between each detection workstation, as well as high equipment use and maintenance costs. Summary of the Utility Model

[0004] Therefore, the technical problem to be solved by the utility model is to overcome the problems in the prior art that during the production process of laser displacement sensors, there is a functional detection link. The current detection method sets up detection devices at multiple different workstations for different detection items of laser displacement sensors. Workers perform various detections on laser displacement sensors through an assembly line, resulting in low detection efficiency, high labor costs, and large space occupied by the detection equipment and the assembly line installed between each detection workstation, as well as high equipment use and maintenance costs.

[0005] To solve the above technical problems, the utility model provides a detection device for laser displacement sensors, including,

[0006] A product fixing unit, the product fixing unit includes a base and a quick clamp. A receiving groove is provided on the base, the quick clamp is connected to the base and is located on one side of the receiving groove, and the clamping end of the quick clamp extends towards the receiving groove;

[0007] A function switching unit, the function switching unit includes a plurality of first cylinders that are parallel to each other and spaced apart on the base, and the output ends of the first cylinders all face the receiving groove;

[0008] A vision detection unit, the vision detection unit includes a mounting seat, the mounting seat is arranged on one side of the base, and a vision camera is mounted on the mounting seat;

[0009] A light source detection unit, the light source detection unit includes an X-axis linear motor arranged on one side of the base, the output end of the X-axis linear motor is installed with a detection lens corresponding to the position of the accommodation groove, and the output end of the X-axis linear motor is also provided with a Y-axis linear motor located between the detection lens and the base, and the output end of the Y-axis linear motor is provided with a target group;

[0010] A power detection unit, the power detection unit includes a second cylinder arranged along the Z-axis between the detection lens and the target group, and a power meter is installed at the output end of the second cylinder.

[0011] In an embodiment of the present invention, a dimming unit is further included. The dimming unit includes a Z-axis linear motor arranged on one side of the base, the output end of the Z-axis linear motor is provided with a mounting plate extending between the base and the target group, a plurality of through grooves are formed on the mounting plate, and a light reducing sheet parallel to the target group is arranged in each through groove.

[0012] In an embodiment of the present invention, a light reducing sheet detection device is arranged on the base.

[0013] In an embodiment of the present invention, a code scanning unit is further included. The code scanning unit includes a fixed seat arranged on one side of the base, a code scanner is arranged on the fixed seat, and the code scanning end of the code scanner is close to the accommodation groove.

[0014] In an embodiment of the present invention, the shape of the accommodation groove matches the shape of the laser displacement sensor.

[0015] In an embodiment of the present invention, a prism is further included. The prism is arranged on one side of the base and corresponds to the position of the accommodation groove, and the lens of the vision camera faces the prism.

[0016] In an embodiment of the present invention, the output end of the quick clamp is connected with a pressing block, and a right-angled bayonet is formed on the pressing block.

[0017] In an embodiment of the present invention, the target group includes a plurality of targets arranged in sequence along the Y-axis direction on the output end of the Y-axis linear motor, and the height of the target corresponds to the height of the detection lens.

[0018] In an embodiment of the present invention, the output end of the X-axis linear motor is connected with a three-axis displacement platform, and the detection lens is installed on the three-axis displacement platform.

[0019] A production line includes the laser displacement sensor detection device as described in any one of the above.

[0020] The above technical solution of the present utility model has the following advantages compared with the prior art:

[0021] A laser displacement sensor detection device and production line according to the present utility model include a product fixing unit, a function switching unit, a vision detection unit, a light source detection unit, and a power detection unit; the product fixing unit includes a base and a quick clamp; the function switching unit includes a plurality of first cylinders arranged in parallel and spaced apart on the base; the vision detection unit includes a vision camera arranged on one side of the base; the light source detection unit includes an X-axis linear motor arranged on one side of the base, a detection lens is installed at the output end of the X-axis linear motor, and a Y-axis linear motor is located between the detection lens and the base, and a target group is arranged at the output end of the Y-axis linear motor; the power detection unit includes a second cylinder arranged between the detection lens and the target group, and a power meter is installed at the output end of the second cylinder. The laser displacement sensor detection device of the present utility model integrates multiple detection units for detecting different data of the laser displacement sensor, reduces the occupation of the working space, and each detection unit realizes automatic detection through automated mechanisms that cooperate with each other, with high detection efficiency, good accuracy, and reduced detection costs. The structure of the entire device is compact, easy to install and operate, with high precision and reliability, and has high practicality. Description of the Drawings

[0022] In order to make the content of the present utility model easier to be clearly understood, the following further details the present utility model according to the specific embodiments of the present utility model and in conjunction with the drawings, wherein

[0023] Figure 1 is a perspective view of the laser displacement sensor detection device of the preferred embodiment of the present utility model;

[0024] Figure 2 is a schematic diagram of the relative positions of the product fixing unit, function switching unit, vision detection unit, light adjustment unit, and code scanning unit of the laser displacement sensor detection device of the preferred embodiment of the present utility model;

[0025] Figure 3 is a schematic structural diagram of the product fixing unit of the laser displacement sensor detection device of the preferred embodiment of the present utility model;

[0026] Figure 4 is a schematic structural diagram of the light source detection unit of the laser displacement sensor detection device of the preferred embodiment of the present utility model;

[0027] Figure 5 is a schematic structural diagram of the power detection unit of the laser displacement sensor detection device of the preferred embodiment of the present utility model.

[0028] Description of the reference numerals in the drawings: 1. Product fixing unit; 11. Base; 12. Quick clamp; 121. Pressing block; 2. Function switching unit; 21. First cylinder; 3. Visual inspection unit; 31. Mounting base; 32. Visual camera; 4. Light source detection unit; 41. X-axis linear motor; 42. Detection lens; 43. Y-axis linear motor; 44. Target group; 441. Target; 45. Three-axis displacement platform; 5. Power detection unit; 51. Second cylinder; 52. Power meter; 6. Light adjustment unit; 61. Z-axis linear motor; 62. Neutral density filter; 7. Scanning code unit; 71. Fixing base; 72. Scanner; 8. Prism. Detailed implementation manners

[0029] The present utility model will be further described below in conjunction with the accompanying drawings and specific embodiments, so that those skilled in the art can better understand the present utility model and implement it, but the specific embodiments cited shall not be construed as a limitation to the present utility model.

[0030] Embodiment 1

[0031] Referring to Figures 1 - 5 as shown, a laser displacement sensor detection device of the present utility model includes

[0032] a product fixing unit 1, the product fixing unit 1 includes a base 11 and a quick clamp 12, a receiving groove is provided on the base 11, the quick clamp 12 is connected to the base 11 and is located on one side of the receiving groove, and the clamping end of the quick clamp 12 extends towards the receiving groove;

[0033] a function switching unit 2, the function switching unit 2 includes a plurality of first cylinders 21 that are parallel to each other and spaced apart on the base 11, and the output ends of the first cylinders 21 all face the receiving groove;

[0034] a visual inspection unit 3, the visual inspection unit 3 includes a mounting base 31, the mounting base 31 is arranged on one side of the base 11, and a visual camera 32 is mounted on the mounting base 31;

[0035] a light source detection unit 4, the light source detection unit 4 includes an X-axis linear motor 41 arranged on one side of the base 11, a detection lens 42 corresponding to the position of the receiving groove is mounted on the output end of the X-axis linear motor 41, and a Y-axis linear motor 43 located between the detection lens 42 and the base 11 is further arranged on the output end of the X-axis linear motor 41, and a target group 44 is arranged on the output end of the Y-axis linear motor 43;

[0036] a power detection unit 5, the power detection unit 5 includes a second cylinder 51 arranged along the Z axis between the detection lens 42 and the target group 44, and a power meter 52 is mounted on the output end of the second cylinder 51.

[0037] Working process: In the initial state, the quick clamp 12 is in the open state; the material to be tested (i.e., the laser displacement sensor) is placed in the accommodating groove by manual or a feeding device such as a robotic arm, and the quick clamp 12 is closed so that the pressing block 121 at its front end presses the product to be tested to fix the product; at this time, the detection end of the laser displacement sensor faces the target group 44, and each first cylinder 21 of the function switching unit 2 is respectively directly opposite to a function button of the laser displacement sensor; then, the detection lens 42 is moved to a position at a predetermined distance from the target group 44 by the X-axis linear motor 41, and the detection lens 42 is precisely fine-tuned to the predetermined detection position by the three-axis displacement platform 45; then, the laser displacement sensor is powered on, and then each first cylinder 21 of the function switching unit 2 is sequentially driven in a set order to press each function button on the laser displacement sensor for function testing. During the testing process, the Y-axis linear motor 43 drives the target group 44 so that each target 441 moves to the corresponding position relative to the laser displacement sensor in turn for various detections. Among them, the detection lens 42 detects the relevant detection items of the product optical path, the power meter 52 detects the power item of the light emitted by the product, and at the same time the laser displacement sensor also performs self-checking using the target. The detected result values are displayed on the display screen of the laser displacement sensor and are recognized by the vision camera 32, and are transmitted to the control unit to be compared with the standard data to determine the detection result, so as to realize the detection of detection accuracy, etc. During the entire detection process, the barcode scanner 72 scans and identifies the two-dimensional code on each laser displacement sensor to be tested, and transmits the detection data related to the product to the database.

[0038] The laser displacement sensor detection device of the present utility model integrates multiple detection units for detecting different data of the laser displacement sensor, reduces the occupation of the working space, and each detection unit realizes automatic detection through automated mechanisms that cooperate with each other, with high detection efficiency, good accuracy and reduced detection costs. The structure of the entire device is compact, the installation and operation are convenient, the accuracy and reliability are high, and it has high practicality.

[0039] Refer to Figure 1 、 Figure 2 and Figure 3 As shown in

[0040] Further, a light reduction film detection device is provided on the base 11 for detecting whether the light reduction film 62 is installed.

[0041] Further, a code scanning unit 7 is further included. The code scanning unit 7 includes a fixed seat 71 provided on one side of the base 11. A code scanner 72 is provided on the fixed seat 71, and the code scanning end of the code scanner 72 is close to the accommodation groove.

[0042] Further, the shape of the accommodation groove matches the shape of the laser displacement sensor.

[0043] Further, a prism 8 is further included. The prism 8 is provided on one side of the base 11 and corresponds to the position of the accommodation groove. The lens of the vision camera 32 faces the prism 8. Specifically, the prism 8 is arranged opposite to the display screen of the laser displacement sensor, and the vision camera 32 can identify the detection result of the laser displacement sensor through the prism 8.

[0044] Further, a pressing block 121 is connected to the output end of the quick clamp 12. A right-angled bayonet is provided on the pressing block 121. Specifically, the laser displacement sensor can be pressed against two mutually perpendicular inner walls of the accommodation groove through the pressing block 121 with a right-angled bayonet, thereby realizing the fixation of the laser displacement sensor. More preferably, the quick clamp 12 can also be replaced with a telescopic mechanism such as a telescopic cylinder, which can further improve the automation degree of the entire device and improve the detection efficiency.

[0045] Refer to Figure 4 As shown, further, the target group 44 includes a plurality of targets 441 arranged in sequence along the Y-axis direction on the output end of the Y-axis linear motor 43. The height of the target 441 corresponds to the height of the detection lens 42. Specifically, the plurality of targets 441 arranged in sequence in the target group 44 include an optical glass for testing, a track inspection target, a black ceramic plate, a white ceramic plate, a position detection target, etc.

[0046] Further, a three-axis displacement platform 45 is connected to the output end of the X-axis linear motor 41. The detection lens 42 is installed on the three-axis displacement platform 45. The position of the detection lens 42 can be finely adjusted with high precision through the three-axis displacement platform 45 to ensure that the detection lens 42 is located at a predetermined detection position, thereby ensuring the accuracy of the detection result.

[0047] Embodiment 2

[0048] The present utility model also discloses a production line, including the laser displacement sensor detection device as in Embodiment 1.

[0049] Obviously, the above embodiments are merely examples for clear illustration and are not limitations on the implementation manners. For those of ordinary skill in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to enumerate all implementation manners here. And the obvious changes or modifications derived therefrom still fall within the protection scope of the creation of the present utility model.

Claims

1. A laser displacement sensor detection device, characterized in that Comprising: A product fixing unit, the product fixing unit includes a base and a quick clamp. A receiving groove is provided on the base. The quick clamp is connected to the base and is located on one side of the receiving groove. The clamping end of the quick clamp extends towards the receiving groove; A function switching unit, the function switching unit includes a plurality of first cylinders that are parallel to each other and spaced apart on the base, and the output ends of the first cylinders all face the receiving groove; A visual detection unit, the visual detection unit includes a mounting seat. The mounting seat is arranged on one side of the base, and a visual camera is mounted on the mounting seat; A light source detection unit, the light source detection unit includes an X-axis linear motor arranged on one side of the base. A detection lens corresponding to the position of the receiving groove is mounted on the output end of the X-axis linear motor. And a Y-axis linear motor located between the detection lens and the base is further provided on the output end of the X-axis linear motor. A target group is arranged on the output end of the Y-axis linear motor; A power detection unit, the power detection unit includes a second cylinder arranged along the Z-axis between the detection lens and the target group. A power meter is mounted on the output end of the second cylinder.

2. The laser displacement sensor detection device according to claim 1, wherein: It further includes a light adjustment unit. The light adjustment unit includes a Z-axis linear motor arranged on one side of the base. An installation plate extending between the base and the target group is arranged on the output end of the Z-axis linear motor. A plurality of through grooves are formed on the installation plate, and a light reduction film parallel to the target group is arranged in each of the through grooves.

3. The laser displacement sensor detection device according to claim 2, wherein: A light reduction film detection device is provided on the base.

4. The laser displacement sensor detection device according to claim 1, characterized in that: It further includes a code scanning unit. The code scanning unit includes a fixed seat arranged on one side of the base. A code scanner is arranged on the fixed seat, and the code scanning end of the code scanner is close to the receiving groove.

5. The laser displacement sensor detection device according to claim 1, characterized in that: The shape of the receiving groove matches the shape of the laser displacement sensor.

6. The laser displacement sensor detection device according to claim 1, characterized in that: It further includes a prism. The prism is arranged on one side of the base and corresponds to the position of the receiving groove. The lens of the visual camera faces the prism.

7. The laser displacement sensor detection device according to claim 1, characterized in that: The output end of the quick clamp is connected with a pressing block, and a right-angled bayonet is formed on the pressing block.

8. The laser displacement sensor detection device according to claim 1, characterized in that: The target group includes a plurality of targets arranged in sequence along the Y-axis direction on the output end of the Y-axis linear motor. The height of the target corresponds to the height of the detection lens.

9. The laser displacement sensor detection device according to claim 1, characterized in that: The output end of the X-axis linear motor is connected with a three-axis displacement platform, and the detection lens is mounted on the three-axis displacement platform.

10. A production line, characterized in that: Including the laser displacement sensor detection device according to any one of claims 1-9.

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