A rear cover size detection device

Abstract

The present invention relates to a back cover size detection device, comprising a CCD camera and a line laser tester; a first jig assembly moving mechanism is installed on a workbench, a first jig assembly is installed on the first jig assembly moving mechanism, the first jig assembly comprises a U-shaped base, a jig plate and a motor, the output end of the motor is connected to a support plate, a jig plate is installed on the support plate, and a plurality of vacuum adsorption holes are provided on the jig plate. The vacuum adsorption holes adsorb and fix the back cover, and the line laser tester detects the fault difference of the inner cavity surface of the back cover. After completion, the motor drives the support plate to rotate 180°, and then detects the fault difference on the back of the back cover; the inner cavity surface of the back cover is restored to an upward state, and the jig assembly moving mechanism moves to the right below the CCD camera, and the CCD camera detects the two-dimensional dimensions of the length and width of the back cover; the device can detect multiple dimensions of two-dimensional dimensions such as fault difference, length and width of the back cover with one device, with high efficiency, low cost and high space utilization.

Description

Technical Field

[0001] The present invention relates to the technical field of structural component dimension detection, and in particular to a rear cover dimension detection device. Background Art

[0002] The back cover is one of the main structural parts of radio electronic products. It is used to protect and fix the electronic devices inside it from water and dust, and at the same time ensure that electromagnetic waves can penetrate the back cover. In order to prevent the back cover from being unstable or leaving gaps after the whole machine is assembled, it is necessary to inspect the two-dimensional dimensions such as the step difference, length and width of the back cover before it leaves the factory or is assembled. The step difference refers to the height difference between two parallel planes. The existing detection method is to use different detection equipment to detect the two-dimensional dimensions of the back cover, such as the step difference, length and width, one by one. This method has low detection efficiency, large labor workload, high labor intensity of detection personnel, and many types and large quantities of detection equipment used, which increases the equipment procurement cost. Summary of the invention

[0003] The purpose of the present invention is to provide a back cover size detection device, so that one device can detect multiple dimensions of the back cover such as step difference, length and width, improve detection efficiency, reduce equipment cost and labor, so as to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: comprising a workbench, a gantry is installed on the workbench, a laser measurement moving mechanism and a CCD measurement moving mechanism are respectively installed on both sides of the gantry, a CCD measurement moving mechanism is installed on the CCD measurement moving mechanism, and a wire laser tester is installed on the laser measurement moving mechanism; a first jig assembly moving mechanism is installed on the workbench below the gantry, a first jig assembly is installed on the first jig assembly moving mechanism, the first jig assembly comprises a U-shaped base, a jig plate and a motor, the motor is installed on one side of the U-shaped base, a support plate is connected to the output end of the motor, a side of the support plate away from the motor is rotatably connected to the U-shaped base, the jig plate is installed on the support plate, a plurality of vacuum adsorption holes are provided on the jig plate, and back side dimension detection avoidance holes are provided on both the jig plate and the support plate.

[0005] Furthermore, an X-direction elastic clamp and a Y-direction elastic clamp are also installed on the support plate, the X-direction elastic clamp is located on one side of the jig plate along the X direction, and the Y-direction elastic clamp is located on one side of the jig plate along the Y direction, the X-direction elastic clamp includes a fixed seat, a through hole is opened on the fixed seat on the side facing the jig plate, a movable rod is embedded in the through hole, an elastic member is sleeved on the movable rod, and the structure and connection relationship of the Y-direction elastic clamp are the same as the structure and connection relationship of the X-direction elastic clamp.

[0006] Furthermore, an X-direction positioning column is provided on the jig plate at a side away from the X-direction elastic clamping jaw.

[0007] Furthermore, the first jig assembly moving mechanism includes a slide rail installed on the workbench and a slider slidably connected to the slide rail, and the slider is connected to the U-shaped base.

[0008] Furthermore, a second jig assembly moving mechanism is installed on the workbench below the gantry, the second jig assembly moving mechanism is arranged opposite to the first jig assembly moving mechanism, and the structure and connection method of the second jig assembly moving mechanism are the same as those of the first jig assembly moving mechanism; a second jig assembly is installed on the second jig assembly moving mechanism, and the structure and connection method of the second jig assembly are the same as those of the first jig assembly.

[0009] Furthermore, the CCD measurement moving mechanism includes an X-axis linear motor and a Z-axis linear motor, the Z-axis linear motor is mounted on the X-axis linear motor, a bearing platform is mounted on the Z-axis linear motor, and the bearing platform is connected to the CCD camera.

[0010] Furthermore, upper light sources are installed on both sides of the support platform below the CCD camera, and a lower light source is installed on the U-shaped base below the support plate.

[0011] Furthermore, a rotating assembly is installed on the supporting platform, and the rotating assembly includes a rotating motor. The output end of the rotating motor is connected to a connecting plate, and the connecting plate is connected to the CCD camera.

[0012] Furthermore, a plurality of vacuum suction cups are embedded on the tooling plate at the vacuum adsorption holes.

[0013] Furthermore, a barcode scanning gun assembly is installed on the workbench at one side of the moving mechanism of the first jig assembly, and the barcode scanning gun on the barcode scanning gun assembly is located above the jig plate.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. This device is equipped with a line laser tester and a CCD camera. One device can complete multiple size detections of two-dimensional dimensions such as back cover difference, length and width, which improves the detection efficiency, reduces the equipment cost, and improves the space utilization of the equipment.

[0016] 2. The device is provided with a jig assembly, each of which adsorbs and fixes the back cover through a vacuum adsorption hole. The motor drives the support plate to perform a flip operation, so that the jig plate on the support plate and the back cover on the jig plate can be flipped, thereby realizing the detection of multiple dimensions of two-dimensional dimensions such as the difference, length and width of the front and back sides of the back cover, thereby improving the detection efficiency.

[0017] 3. By setting up a laser measurement moving mechanism, this device can adjust the position and height of the line laser tester according to the position and height of the jig assembly and the back cover, thereby improving the detection accuracy of the back cover step size difference and is suitable for the step size difference detection of back covers of different sizes.

[0018] 4. By setting up a CCD measurement moving mechanism, this device can adjust the position and height of the CCD camera according to the position and height of the jig assembly and the back cover, thereby improving the detection accuracy of two-dimensional dimensions such as length and width, and is suitable for two-dimensional dimension detection such as length and width of back covers of different sizes.

[0019] 5. By arranging the first jig assembly moving mechanism, the first jig assembly and the second jig assembly moving mechanism, and the second jig assembly, the entire device can perform double-station detection and can perform multiple size detections on two back covers at the same time. The sizes of the two back covers can be different, which further improves space utilization and reduces labor. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0021] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0022] Figure 2 It is a schematic diagram of the overall structure of the present invention from another angle;

[0023] Figure 3 yes Figure 2 Enlarged view of point A in the middle;

[0024] Figure 4 It is a schematic structural diagram of the first metallurgical tool assembly of the present invention;

[0025] The names of the components marked in the figure are as follows:

[0026] 1. Workbench; 2. Gantry; 3. Laser measurement moving mechanism; 4. CCD measurement moving mechanism; 5. Line laser tester; 6. CCD camera; 7. First jig assembly moving mechanism; 8. First jig assembly; 9. U-shaped base; 10. Jig plate; 11. Motor; 12. Support plate; 13. Vacuum adsorption hole; 14. X-axis elastic clamp; 15. Y-axis elastic clamp; 16. Fixed seat; 17. Movable rod; 19. X-axis positioning column; 20. Slide rail; 21. X-axis linear motor; 22. Z-axis linear motor; 23. Carrying platform; 24. Lower light source; 25. Vacuum suction cup; 26. Barcode scanner; 27. Second jig assembly moving mechanism; 28. Second jig assembly; 30. Rotating motor; 31. Connecting plate; 31. Upper light source; 32. Back size detection avoidance hole. DETAILED DESCRIPTION

[0027] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined invention purpose, the specific implementation mode, structure, characteristics and effects of the present invention are described in detail below in combination with the accompanying drawings and preferred embodiments.

[0028] Example: Reference Figure 1-4A back cover size detection device comprises a workbench 1, a gantry 2 is installed on the workbench 1, a laser measuring mobile mechanism 3 and a CCD measuring mobile mechanism 4 are respectively installed on both sides of the gantry 2, a CCD measuring mobile mechanism 4 is installed with a CCD camera 6, and the CCD camera 6 detects two-dimensional dimensions such as length and width of the back cover; a line laser tester 5 is installed on the laser measuring mobile mechanism 3, and the line laser tester 5 detects the step difference of the back cover; the CCD camera 6 and the line laser tester 5 perform independent detection respectively, so that one device can complete the detection of multiple dimensions of two-dimensional dimensions such as step difference, length and width of the back cover, thereby improving the detection efficiency, reducing the equipment cost, and improving the space utilization rate of the equipment. The CCD measurement moving mechanism 4 includes an X-axis linear motor 21 and a Z-axis linear motor 22. The Z-axis linear motor 22 is installed on the X-axis linear motor 21. A carrier 23 is installed on the Z-axis linear motor 22. The carrier 23 is connected to the CCD camera 6, so that the CCD camera 6 can adjust the position in the X-axis direction and the Z-axis direction according to the position and height of the jig assembly and the back cover, thereby improving the detection accuracy of two-dimensional dimensions such as the length and width of the back cover, and is suitable for the detection of two-dimensional dimensions such as the length and width of back covers of different sizes. A rotating assembly is also installed on the carrier 23. The rotating assembly includes a rotating motor 30. The rotating motor 30 is a servo motor. The output end of the rotating motor 30 is connected to a connecting plate 31. The connecting plate 31 is connected to the CCD camera 6. The rotating motor 30 is started to drive the connecting plate 31 to rotate, thereby driving the CCD camera to rotate, and performing multi-angle detection to improve the detection accuracy of two-dimensional dimensions such as the length and width of the back cover. The structure and connection method of the laser measurement mobile mechanism 3 are the same as those of the CCD measurement mobile mechanism 4, so that the line laser tester 5 can adjust the position in the X-axis direction and the Z-axis direction according to the position and height of the jig assembly and the back cover, thereby improving the detection accuracy of the back cover step size, and is suitable for the step size detection of back covers of different sizes.

[0029] A first jig assembly moving mechanism 7 is installed on the workbench 1 below the gantry 2, and a first jig assembly 8 is installed on the first jig assembly moving mechanism 7. The first jig assembly 8 includes a U-shaped base 9, a jig plate 10 and a motor 11. The motor 11 is a DD motor, which is installed on one side of the U-shaped base 9. The output end of the motor 11 is connected to a support plate 12, and the side of the support plate 12 away from the motor 11 is rotatably connected to the U-shaped base 9. The jig plate 10 is installed on the support plate 12 for placing the back cover; the jig plate 10 is provided with a plurality of vacuum adsorption holes 13, and a plurality of vacuum suction cups 25 are embedded at the vacuum adsorption holes 13 on the jig plate 10, so that the back cover can be stably fixed on the jig plate 10, so as to avoid the back cover being affected by external vibration during detection, which may cause the photos taken by the CCD camera 6 to appear blurred or the line laser tester 5 to detect inaccurately. The jig plate 10 and the support plate 12 are both provided with back-side dimension detection avoidance holes 32, so that the jig plate 10 and the support plate 12 will not block the dimension detection of the back side of the back cover. The first jig assembly 8 adsorbs and fixes the back cover through the vacuum adsorption hole 13, and the motor 11 drives the support plate 12 to be able to flip, so that the jig plate 10 on the support plate 12 and the back cover on the jig plate 10 can be flipped, so that the multiple dimensions of the two-dimensional dimensions such as the difference, length and width of the front and back sides of the back cover can be detected, thereby improving the detection efficiency. An X-direction elastic clamp 14 and a Y-direction elastic clamp 15 are also installed on the support plate 12. The X-direction elastic clamp 14 is located on one side of the jig plate 10 along the X direction, and the Y-direction elastic clamp 15 is located on one side of the jig plate 10 along the Y direction. The X-direction elastic clamp 14 includes a fixing seat 16. A through hole is opened on the fixing seat 16 on the side facing the jig plate 10. A movable rod 17 is embedded in the through hole. An elastic member is sleeved on the movable rod 17. The elastic member is a spring. The structure and connection relationship of the Y-direction elastic clamp 15 are the same as those of the X-direction elastic clamp 14. An X-direction positioning column 19 is provided on the side of the jig plate 10 away from the X-direction elastic clamp 14. The X-direction elastic clamp 14, the Y-direction elastic clamp 15 and the X-direction positioning column 19 can further fix and position the rear cover in the X-axis direction and the Z-axis direction. The first jig assembly moving mechanism 7 includes a slide rail 20 installed on the workbench 1 and a slider slidably connected to the slide rail 20, the slider is connected to the U-shaped base 9, and the rear cover moves to the bottom of the line laser tester 5 and the bottom of the CCD camera 6 under the sliding action of the slide rail 20 and the slider to perform corresponding inspections.

[0030] A second jig assembly moving mechanism 27 is also installed on the workbench 1 below the gantry 2. The second jig assembly moving mechanism 27 is arranged opposite to the first jig assembly moving mechanism 7, and the structure and connection method of the second jig assembly moving mechanism 27 are the same as those of the first jig assembly moving mechanism 7; a second jig assembly 28 is installed on the second jig assembly moving mechanism 27, and the structure and connection method of the second jig assembly 28 are the same as those of the first jig assembly 8. The CCD measurement moving mechanism 4 can drive the CCD camera 6 to move to the top of the second jig assembly 28 to perform two-dimensional size detection such as length and width on the back cover of the second jig assembly 28. At the same time, the laser measurement moving mechanism 3 can drive the line laser tester 5 to move to the top of the second jig assembly 28 to perform step size detection on the back cover of the second jig assembly 28. The entire device can perform double-station detection, and can perform multiple size detections on the two back covers at the same time, and the sizes of the two back covers can be different, which further improves space utilization and reduces labor.

[0031] A barcode scanning gun assembly is installed on one side of the first tooling assembly moving mechanism 7 and the second tooling assembly moving mechanism 27 on the workbench 1. The barcode scanning gun 26 on the barcode scanning gun assembly is located above the tooling plate 10. The barcode scanning gun 26 is used for detection data collection of the MES system. Through automatic barcode scanning detection, the detection data of each back cover can be recorded in real time. The detection data can be uploaded to the MES system in real time, so that each back cover can be traced.

[0032] Upper light sources 31 are installed on both sides of the support platform 23 below the CCD camera 6, and lower light sources 24 are installed on the U-shaped base 9 below the support plate 12, so that the photos taken by the CCD camera 6 are clearer, thereby ensuring the accuracy of the detection.

[0033] As a further improvement of this embodiment, two CCD cameras 6 are installed on the CCD measuring mobile mechanism 4, and two line laser testers 5 are installed on the laser measuring mobile mechanism 3. The two back covers are placed on the jig plate 10 of the first jig assembly 8 and the jig plate 10 of the second jig assembly 28 in sequence. The two line laser testers 5 simultaneously detect the fault difference dimensions of the inner cavity surface and the back surface of the two back covers, and the two CCD cameras 6 simultaneously detect the two-dimensional dimensions such as the length and width of the two back covers, which improves the detection efficiency and reduces the labor workload.

[0034] The working principle of this embodiment is as follows: the two back covers are manually placed on the jig plate 10 of the first jig assembly 8 and the jig plate 10 of the second jig assembly 28, respectively, with the inner cavity surface of the back cover facing upwards, the X-direction elastic clamp 14, the Y-direction elastic clamp 15 and the X-direction positioning column 19 clamp and position the back cover, the vacuum system is turned on, the back cover is adsorbed and fixed through the vacuum adsorption hole 13 and the vacuum suction cup 25, the barcode scanning gun 26 scans the back cover, the two back covers are respectively moved to the bottom of the line laser tester 5 through the first jig assembly moving mechanism 7 and the second jig assembly moving mechanism 27, the line laser tester 5 detects the fault difference of the inner cavity surface of the back cover, and after completion, the motor 11 is started, and the motor 11 drives the support plate 12 to rotate 180°, so that the support plate 12 The jig plate 10 and the back cover on the jig plate 10 are rotated 180°, and the line laser tester 5 detects the fault difference on the back of the back cover through the back size detection avoidance hole 32; after the back cover fault difference detection is completed, the motor 11 is started again, driving the support plate 12 to rotate 180°, so that the jig plate 10 on the support plate 12 and the back cover on the jig plate 10 are rotated 180°, and the inner cavity of the back cover is restored to the upward state, and the back cover is moved to the right below the CCD camera 6 through the first jig assembly moving mechanism 7 or the second jig assembly moving mechanism 27, and then the CCD camera 6 detects the two-dimensional dimensions of the back cover such as the length and width, and finally the first jig assembly 8 moving mechanism 7 or the second jig assembly moving mechanism 27 moves to the initial position, completing all the detection work, and manually taking out the back cover. Repeat the above process to detect the next two back covers.

[0035] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be an element centered thereon. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be an element centered thereon. The terms "upper", "lower", "left", "right", "front", "rear" and similar expressions used herein are for illustrative purposes only.

[0036] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Although the present invention has been disclosed as a preferred embodiment as above, it is not used to limit the present invention. Any technical personnel in this field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A back cover size detection device, comprising a workbench (1), characterized in that: The workbench (1) is provided with a gantry (2), and a laser measurement moving mechanism (3) and a CCD measurement moving mechanism (4) are respectively provided on both sides of the gantry (2), and a CCD camera (6) is provided on the CCD measurement moving mechanism (4), and a wire laser tester (5) is provided on the laser measurement moving mechanism (3); a first jig assembly moving mechanism (7) is provided on the workbench (1) below the gantry (2), and a first jig assembly (8) is provided on the first jig assembly moving mechanism (7), and the first jig assembly (8) comprises a U-shaped base (9), a jig plate (10) and a motor (11), and the motor (11) is provided on one side of the U-shaped base (9), and an output end of the motor (11) is connected to a support plate (12), and a side of the support plate (12) away from the motor (11) is rotatably connected to the U-shaped base (9), and a support plate (12) is provided on the support plate (12) The jig plate (10) is provided with a plurality of vacuum adsorption holes (13), and the jig plate (10) and the support plate (12) are both provided with back-side dimension detection avoidance holes (32); the CCD measurement moving mechanism (4) comprises an X-axis linear motor (21) and a Z-axis linear motor (22), the Z-axis linear motor (22) is mounted on the X-axis linear motor (21), a carrier platform (23) is mounted on the Z-axis linear motor (22), and the carrier platform (23) is connected to the CCD camera (6); a rotating assembly is mounted on the carrier platform (23), and the rotating assembly comprises a rotating motor (30), an output end of the rotating motor (30) is connected to a connecting plate (31), and the connecting plate (31) is connected to the CCD camera (6); the structure and connection method of the laser measurement moving mechanism (3) are the same as those of the CCD measurement moving mechanism (4).

2. The rear cover size detection device according to claim 1, characterized in that: The support plate (12) is also provided with an X-direction elastic clamp (14) and a Y-direction elastic clamp (15), wherein the X-direction elastic clamp (14) is located on one side of the jig plate (10) along the X direction, and the Y-direction elastic clamp (15) is located on one side of the jig plate (10) along the Y direction, wherein the X-direction elastic clamp (14) comprises a fixing seat (16), wherein a through hole is provided on the fixing seat (16) on a side facing the jig plate (10), wherein a movable rod (17) is embedded in the through hole, and an elastic member is sleeved on the movable rod (17), and the structure and connection relationship of the Y-direction elastic clamp (15) are the same as those of the X-direction elastic clamp (14).

3. The rear cover size detection device according to claim 2, characterized in that: An X-direction positioning column (19) is provided on the jig plate (10) at a side away from the X-direction elastic clamping claw (14).

4. The rear cover size detection device according to claim 1, characterized in that: The first jig assembly moving mechanism (7) comprises a slide rail (20) mounted on the workbench (1) and a slider slidably connected to the slide rail (20), wherein the slider is connected to the U-shaped base (9).

5. The rear cover size detection device according to claim 1, characterized in that: A second jig assembly moving mechanism (27) is also provided on the workbench (1) below the gantry (2), the second jig assembly moving mechanism (27) being arranged opposite to the first jig assembly moving mechanism (7), and the structure and connection method of the second jig assembly moving mechanism (27) being the same as those of the first jig assembly moving mechanism (7); a second jig assembly (28) is installed on the second jig assembly moving mechanism (27), and the structure and connection method of the second jig assembly (28) are the same as those of the first jig assembly (8).

6. The rear cover size detection device according to claim 1, characterized in that: Upper light sources are installed on both sides of the carrier platform (23) below the CCD camera (6), and a lower light source (24) is installed on the U-shaped base (9) below the support plate (12).

7. The rear cover size detection device according to claim 1, characterized in that: A plurality of vacuum suction cups (25) are embedded on the tooling plate (10) at the vacuum suction holes (13).

8. The rear cover size detection device according to claim 1, characterized in that: A barcode scanning gun assembly is installed on the workbench (1) at one side of the first jig assembly moving mechanism (7), and the barcode scanning gun (26) on the barcode scanning gun assembly is located above the jig plate (10).

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