Plate laser thickness measuring device

Abstract

The utility model discloses a plate laser thickness measuring device, and relates to the technical field of detectors. The plate laser thickness measuring device comprises a detection table and a leveling mechanism, the leveling mechanism comprises a first leveling plate, two mounting plates, an incomplete gear, a gear, a motor and a rotating rod, the first leveling plate is arranged at the top of the detection table, and the two mounting plates are fixedly connected to the two sides of the first leveling plate respectively; the number of the incomplete gears is the same as that of the mounting plates, the incomplete gears are fixedly connected to the bottoms of the mounting plates, the motor is fixedly connected to the top of the detection table, the rotating rod is fixedly connected to the output end of the motor, and the rotating rod is rotationally connected to the top of the detection table. Inclination adjustment of the first leveling plate is achieved through meshing transmission of an incomplete gear and a gear, and three-dimensional posture adjustment of the second leveling plate is achieved by driving a trapezoidal sliding block linkage mechanism through a threaded rod.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of detector, especially relates to a plate laser thickness measuring device. BACKGROUND

[0002] The plate laser thickness measuring device is a non-contact measuring equipment based on laser technology, mainly used for online detection of the thickness of the plate, and usually uses a laser displacement sensor to calculate the distance of the object surface by emitting a laser beam and measuring the time or phase difference of the reflected light. Specifically, the device is installed with one laser displacement sensor above and below the plate, the upper sensor emits a laser beam to vertically irradiate the upper surface of the plate, and the lower sensor irradiates the lower surface, and the distance is calculated through the information of the reflected light, so as to obtain the thickness of the plate.

[0003] Although the existing plate laser thickness measuring device has the functions of workpiece fixation and thickness measurement, in actual working conditions, due to factors such as uneven foundation or installation reference surface error, the relative position between the measured plate and the laser measuring head will produce unexpected deviation, including pitch angle deviation and axial displacement, thereby introducing systematic measurement error and affecting the accuracy of the thickness detection result, so a plate laser thickness measuring device is needed. SUMMARY

[0004] The utility model discloses a plate laser thickness measuring device, which can solve the problem of unexpected deviation of the relative position between the measured plate and the laser measuring head due to factors such as uneven foundation or installation reference surface error, thereby improving the accuracy of the thickness detection result.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a plate laser thickness measuring device, comprising a detection table and a leveling mechanism, the leveling mechanism comprising a first leveling plate, a mounting plate, an incomplete gear, a gear, a motor and a rotating rod, the first leveling plate being arranged on the top of the detection table, the mounting plate being two in number and fixedly connected to the two sides of the first leveling plate, the number of the incomplete gears being the same as that of the mounting plates and all being fixedly connected to the bottom of the mounting plate, the motor being fixedly connected to the top of the detection table, the rotating rod being fixedly connected to the output end of the motor, the rotating rod being rotatably connected to the top of the detection table, the gear being fixedly sleeved on the outer surface of the rotating rod, and the gear being meshingly connected with the trapezoidal slide block B.

[0006] Preferably, the leveling mechanism further comprises a rectangular plate, a second motor, a threaded rod, a trapezoidal slide block A and a trapezoidal slide block B, the rectangular plate being two in number and fixedly connected to the top of the first leveling plate, the second motor being fixedly connected to the surface of the rectangular plate, the threaded rod being fixedly connected to the output end of the second motor, the threaded rod being rotatably connected with the rectangular plate, the trapezoidal slide block A being threadedly sleeved on the outer surface of the threaded rod, and the trapezoidal slide block B being slidably connected to the top of the trapezoidal slide block A.

[0007] Preferably, the top of the trapezoidal slider A is fixedly connected with a limiting strip, the limiting strip is slidingly connected in the interior of the trapezoidal slider B, the interior of the trapezoidal slider B is provided with a limiting groove matched with the limiting strip, and the bottom of the trapezoidal slider A is slidingly connected with the first leveling plate.

[0008] Preferably, the surface of the first leveling plate is rotatably connected with telescopic rods at four corners, and each telescopic rod is rotatably connected to the interior of the detection table at a side close to the detection table.

[0009] Preferably, the surface of the first leveling plate is fixedly connected with a fixed plate, the surface of the fixed plate is rotatably connected with a second leveling plate, and the trapezoidal slider B is fixedly connected to the bottom of the second leveling plate.

[0010] Preferably, the top of the second leveling plate is fixedly connected with a positioning plate, the top of the second leveling plate is slidingly connected with a clamping plate, the surface of the positioning plate is fixedly connected with a hydraulic cylinder, and the output end of the hydraulic cylinder is fixedly connected with the clamping plate.

[0011] Preferably, the top of the detection table is fixedly connected with an electric sliding table, the top of the electric sliding table is slidingly connected with a moving table, the top of the moving table is fixedly connected with a support, and the surface of the support is fixedly connected with a measuring device.

[0012] Preferably, the surface of the first leveling plate and the surface of the second leveling plate are fixedly connected with bubble levels.

[0013] Compared with the prior art, the board laser thickness measuring device has the advantages that:

[0014] 1. The board laser thickness measuring device realizes high-precision horizontal calibration through the double leveling mechanism cooperating with the bubble levels, realizes the inclination adjustment of the first leveling plate through the meshing transmission of the incomplete gear and the gear, realizes the three-dimensional attitude adjustment of the second leveling plate through the trapezoidal slider linkage mechanism driven by the threaded rod, ensures the stability of the board fixation through the clamping plate device driven by the hydraulic cylinder, realizes the accurate thickness measurement of multiple points through the electric sliding table driving the laser measuring device, and guarantees the mechanical stability in the leveling process through the design of the telescopic rod limiting and the limiting strip groove cooperation, solves the measurement error problem caused by the uneven placement of the traditional thickness gauge, improves the accuracy and repeatability of the board thickness detection, and has the characteristics of convenient operation and high automation. BRIEF DESCRIPTION OF DRAWINGS

[0015] The utility model is further explained in connection with the drawings and examples as follows:

[0016] Figure 1 It is the body schematic view of the utility model;

[0017] Figure 2 It is the first leveling plate schematic view of the utility model;

[0018] Figure 3 It is the telescopic rod schematic view of the utility model;

[0019] Figure 4 It is the telescopic rod schematic view of the utility model; Figure 3 It is the schematic view of A place in the middle;

[0020] Figure 5 It is the trapezoidal slider schematic view of the utility model.

[0021] Reference signs: 1, detection table;2, electric slide;3, moving table;4, support;5, measuring device;6, first leveling plate;7, telescopic rod;8, mounting plate;9, incomplete gear;10, gear;11, motor;12, rotating rod;13, fixed plate;14, second leveling plate;15, rectangular plate;16, second motor;17, threaded rod;18, trapezoidal slider A;19, trapezoidal slider B;20, limiting strip;21, limiting groove;22, positioning plate;23, clamping plate;24, hydraulic cylinder;25, level bubble. DETAILED DESCRIPTION

[0022] This part will describe the specific embodiments of the utility model in detail, the preferred embodiment of the utility model is shown in the drawings, the role of the drawings is to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as the limitation of the protection scope of the utility model.

[0023] In the description of the utility model, it is understood that the orientation description, such as the orientation or position relationship of the upper, lower, front, rear, left, right and the like indicated by the drawings, is only for the convenience of describing the utility model and simplifying the description, and is not indicative or implied that the indicated device or element must have a specific orientation, structure and operation, so it cannot be understood as the limitation of the utility model.

[0024] In the description of the utility model, greater than, less than, more than and the like are understood as not including the number, and above, below, within and the like are understood as including the number.If there is a description of the first, second, it is only used for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the sequence of indicated technical features.

[0025] In the description of the utility model, unless otherwise explicitly limited, the words such as setting, installation, connection and the like should be broadly understood, and the person skilled in the art can reasonably determine the specific meaning of the above words in the utility model according to the specific content of the technical scheme.

[0026] Please refer to Figures 1-5The utility model provides a technical scheme: a kind of plate laser thickness measuring device, including detection table 1 and leveling mechanism, leveling mechanism includes first leveling plate 6, mounting plate 8, incomplete gear 9, gear 10, motor 11 and rotating rod 12, first leveling plate 6 is arranged at the top of detection table 1, the number of mounting plate 8 is two and is fixedly connected respectively at the two sides of first leveling plate 6, the number of incomplete gear 9 is same with mounting plate 8 and is fixedly connected at the bottom of mounting plate 8, motor 11 is fixedly connected at the top of detection table 1, rotating rod 12 is fixedly connected at the output end of motor 11, rotating rod 12 is rotatably connected at the top of detection table 1, gear 10 is fixedly sleeved on the outer surface of rotating rod 12, gear 10 is engagedly connected with trapezoidal slider B19.

[0027] Further, leveling mechanism further includes rectangular plate 15, second motor 16, threaded rod 17, trapezoidal slider A18 and trapezoidal slider B19, the number of rectangular plate 15 is two and is fixedly connected at the top of first leveling plate 6, second motor 16 is fixedly connected at the surface of rectangular plate 15, threaded rod 17 is fixedly connected at the output end of second motor 16, threaded rod 17 is rotatably connected with rectangular plate 15, trapezoidal slider A18 is threadedly sleeved on the outer surface of threaded rod 17, trapezoidal slider B19 is slidably connected at the top of trapezoidal slider A18.

[0028] Further, the top of trapezoidal slider A18 is fixedly connected with limiting strip 20, limiting strip 20 is slidably connected in the inside of trapezoidal slider B19, the inside of trapezoidal slider B19 is provided with the limiting slot 21 matched with limiting strip 20, the bottom of trapezoidal slider A18 is slidably connected with first leveling plate 6, the surface of first leveling plate 6 is rotatably connected with telescopic rod 7 in four corners, the inside of detection table 1 is rotatably connected with each telescopic rod 7 close to one side of detection table 1, the surface of first leveling plate 6 is fixedly connected with fixed plate 13, the surface of fixed plate 13 is rotatably connected with second leveling plate 14, trapezoidal slider B19 is fixedly connected at the bottom of second leveling plate 14, the top of second leveling plate 14 is fixedly connected with positioning plate 22, the top of second leveling plate 14 is slidably connected with clamping plate 23, the surface of positioning plate 22 is fixedly connected with hydraulic cylinder 24, the output end of hydraulic cylinder 24 is fixedly connected with clamping plate 23, the top of detection table 1 is fixedly connected with electric sliding table 2, the top of electric sliding table 2 is slidably connected with moving table 3, the top of moving table 3 is fixedly connected with support 4, the surface of support 4 is fixedly connected with measuring device 5, the surface of first leveling plate 6 and second leveling plate 14 is fixedly connected with bubble 25.

[0029] Further, place the plate to be detected on the top of the second leveling plate 14, start the hydraulic cylinder 24 to push the clamp plate 23 to move and clamp it, adjust the inclination of the second leveling plate 14 and the first leveling plate 6 by observing the bubble 25, start the motor 11 to drive the rotating rod 12 to rotate, which can drive the gear 10 to rotate, since the gear 10 and the incomplete gear 9 are meshed and connected, the rotation of the gear 10 can drive the first leveling plate 6 to move, thereby changing the inclination of the first leveling plate 6, the telescopic rods 7 rotatingly arranged at the four corners of the first leveling plate 6 can limit the rotation of the first leveling plate 6, ensuring the stability of the device, starting the second motor 16 to drive the threaded rod 17 to rotate can drive the trapezoidal slide block A 18 to move on the outer surface of the threaded rod 17, thereby changing the height of the trapezoidal slide block B 19, and further adjusting the inclination of the second leveling plate 14, the setting of the limiting strip 20 and the limiting groove 21 enables the trapezoidal slide block B 19 to always stick to the trapezoidal slide block A 18 and move on the inclined surface of the trapezoidal slide block A 18, moving the moving platform 3 by the electric sliding table 2 can adjust the position of the support 4 and the measuring device 5, and the thickness of the plate is measured by the measuring device 5.

[0030] Further, high-precision horizontal calibration is achieved by setting a double leveling mechanism in cooperation with a bubble, inclination adjustment of the first leveling plate is achieved by meshing transmission of an incomplete gear and a gear, three-dimensional attitude adjustment of the second leveling plate is achieved by a threaded rod driving trapezoidal slide block linkage mechanism, the plate fixing stability is ensured by the clamp plate device driven by the hydraulic cylinder, multi-point accurate thickness measurement is achieved by the electric sliding table driving the laser measuring device, the overall structure ensures mechanical stability during leveling through telescopic rod limiting, limiting strip groove cooperation and other designs, solves the measurement error problem caused by uneven placement of the plate in traditional thickness gauges, improves the precision and repeatability of plate thickness detection, and has the characteristics of convenient operation and high automation.

[0031] Structure description: detection table 1: as the basic support platform of the whole device, providing a stable installation foundation for the leveling mechanism and the measuring system, ensuring that all components can work in coordination;

[0032] Electric sliding table 2: as the moving platform of the measuring device, realizing scanning movement of the measuring head on the surface of the plate through a precision guide rail system to complete full-area thickness detection;

[0033] Moving platform 3: carrying the measuring system components, moving along the set trajectory under the drive of the electric sliding table, ensuring that the measuring device can cover all detection points of the plate;

[0034] Support 4: as the support structure of the measuring device, fixing the measuring head at an appropriate height to ensure that the probe maintains the best detection distance from the plate surface;

[0035] Measuring device 5: using non-contact laser ranging principle, real-time acquisition of plate surface height data, calculation of accurate thickness value through signal processing system;

[0036] First leveling plate 6: As the main bearing component of the leveling mechanism, it compensates for the initial unevenness of the plate through inclination angle adjustment, creating conditions for subsequent accurate measurement;

[0037] Telescopic rod 7: Connects the detection platform with the first leveling plate, providing multi-angle support during leveling, while limiting the movement range of the first leveling plate to ensure safety;

[0038] Mounting plate 8: Fixedly connected on both sides of the first leveling plate, providing mounting support for the incomplete gear to ensure stable operation of the gear transmission system;

[0039] Incomplete gear 9: Cooperates with the gear to form an intermittent transmission mechanism, which realizes the preliminary leveling of the plate bearing surface by precisely controlling the inclination angle change of the first leveling plate;

[0040] Gear 10: As the core component of the transmission system, it converts the rotational motion of the motor into precise angle adjustment of the leveling mechanism, ensuring smooth and controllable leveling process;

[0041] Motor 11: Provides the power output required by the leveling mechanism, and realizes the automatic adjustment of the inclination angle of the first leveling plate by controlling the rotation speed and direction;

[0042] Rotating rod 12: As a connecting component between the motor output shaft and the gear, it transmits torque and ensures the coaxiality of the transmission system, improving the leveling accuracy;

[0043] Fixed plate 13: As the rotation fulcrum of the second leveling plate, it allows the leveling plate to swing freely within a certain angle range, adapting to the measurement needs of different thickness plates;

[0044] Second leveling plate 14: As the direct bearing surface of the plate, it realizes higher precision horizontal adjustment through the double-stage leveling mechanism, providing an ideal working plane for measurement;

[0045] Rectangular plate 15: Fixed on the top of the first leveling plate, providing a mounting base for the second motor and threaded rod, forming a support frame for the height adjustment mechanism;

[0046] Second motor 16: Drives the threaded rod to rotate, and through precise control of the motion trajectory of the trapezoidal slider, it realizes the fine adjustment function of the inclination angle of the second leveling plate;

[0047] Threaded rod 17: Converts the rotational motion of the motor into linear motion, and drives the trapezoidal slider to move precisely in the height direction through precise screw transmission;

[0048] Trapezoidal slider A 18: As the execution component of height adjustment, it moves along the inclined surface under the drive of the threaded rod, providing an adjustable support point for the second leveling plate;

[0049] Trapezoidal slider B19: form a bevel matching relationship with trapezoidal slider A, convert horizontal displacement into vertical height change, realize the inclination adjustment of the second leveling plate;

[0050] Limiting strip 20: embedded in the limiting groove of trapezoidal slider B, ensure that the two trapezoidal sliders always maintain contact state, prevent the phenomenon of separation during adjustment;

[0051] Limiting groove 21: form a sliding pair with the limiting strip, limit the movement trajectory of trapezoidal slider B, ensure the stability and reliability of the height adjustment process;

[0052] Positioning plate 22: fixed on the surface of the second leveling plate, provide installation reference for the clamping mechanism, ensure the accuracy and consistency of the fixed position of the plate;

[0053] Clamping plate 23: under the drive of hydraulic cylinder, exert clamping force on the plate, prevent displacement during measurement, ensure the accuracy of thickness detection data;

[0054] Hydraulic cylinder 24: provide stable linear driving force, accurately control the clamping stroke and pressure of the clamping plate, adapt to the fixing needs of different material plates;

[0055] Level bubble 25: installed on each level plate, provide intuitive level visual indication, assist the operator to quickly judge and adjust the platform inclination state.

[0056] The above embodiments of the utility model are described in detail in combination with the drawings, but the utility model is not limited to the above embodiments, within the knowledge range possessed by ordinary skilled in the art, various changes can be made without departing from the purpose of the utility model.

Claims

1. A laser thickness measuring device for sheet metal, characterized in that, include: Testing station (1); The leveling mechanism includes a first leveling plate (6), a mounting plate (8), an incomplete gear (9), a gear (10), a motor (11), and a rotating rod (12). The first leveling plate (6) is set on the top of the testing table (1). There are two mounting plates (8), which are fixedly connected to the two sides of the first leveling plate (6). The number of incomplete gears (9) is the same as that of the mounting plates (8), and they are all fixedly connected to the bottom of the mounting plates (8). The motor (11) is fixedly connected to the top of the testing table (1). The rotating rod (12) is fixedly connected to the output end of the motor (11) and is rotatably connected to the top of the testing table (1). The gear (10) is fixedly sleeved on the outer surface of the rotating rod (12) and meshes with the trapezoidal slider B (19).

2. The laser thickness measuring device for sheet metal according to claim 1, characterized in that: The leveling mechanism also includes a rectangular plate (15), a second motor (16), a threaded rod (17), a trapezoidal slider A (18), and a trapezoidal slider B (19). There are two rectangular plates (15), both of which are fixedly connected to the top of the first leveling plate (6). The second motor (16) is fixedly connected to the surface of the rectangular plate (15). The threaded rod (17) is fixedly connected to the output end of the second motor (16). The threaded rod (17) is rotatably connected to the rectangular plate (15). The trapezoidal slider A (18) is threaded onto the outer surface of the threaded rod (17). The trapezoidal slider B (19) is slidably connected to the top of the trapezoidal slider A (18).

3. The laser thickness measuring device for sheet metal according to claim 2, characterized in that: The top of the trapezoidal slider A (18) is fixedly connected to a limiting strip (20), the limiting strip (20) is slidably connected inside the trapezoidal slider B (19), the inside of the trapezoidal slider B (19) is provided with a limiting groove (21) that matches the limiting strip (20), and the bottom of the trapezoidal slider A (18) is slidably connected to the first adjusting plate (6).

4. The laser thickness measuring device for sheet metal according to claim 1, characterized in that: The first adjustment plate (6) has telescopic rods (7) rotatably connected to the four corners of its surface. Each telescopic rod (7) is rotatably connected to the inside of the testing table (1) on the side closest to the testing table (1).

5. The laser thickness measuring device for sheet metal according to claim 1, characterized in that: A fixing plate (13) is fixedly connected to the surface of the first adjusting plate (6), and a second adjusting plate (14) is rotatably connected to the surface of the fixing plate (13). A trapezoidal slider B (19) is fixedly connected to the bottom of the second adjusting plate (14).

6. The laser thickness measuring device for sheet metal according to claim 5, characterized in that: The top of the second adjusting plate (14) is fixedly connected to a positioning plate (22), and the top of the second adjusting plate (14) is slidably connected to a clamping plate (23). A hydraulic cylinder (24) is fixedly connected to the surface of the positioning plate (22), and the output end of the hydraulic cylinder (24) is fixedly connected to the clamping plate (23).

7. The laser thickness measuring device for sheet metal according to claim 1, characterized in that: The top of the testing platform (1) is fixedly connected to an electric slide (2), the top of the electric slide (2) is slidably connected to a moving platform (3), the top of the moving platform (3) is fixedly connected to a bracket (4), and a measuring device (5) is fixedly connected to the surface of the bracket (4).

8. The laser thickness measuring device for sheet metal according to claim 1, characterized in that: The surfaces of the first adjusting plate (6) and the second adjusting plate (14) are both fixedly connected with spirit levels (25).

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