Laser measuring mechanism and measuring equipment

Abstract

The utility model relates to the technical field of flatness and warpage measurement, and discloses a laser measuring mechanism and measuring equipment. The laser measuring mechanism comprises a measuring unit used for measuring the flatness and the warping degree of a material; the measuring unit comprises a group of first laser modules which move oppositely along the X axis and a second laser module which is fixedly arranged between the two first laser modules; the visual module is used for detecting the shape, size and position of a detected material and transmitting a signal to the background control module; the power unit is used for driving the two first laser modules to oppositely move along the X axis and driving the measuring unit and the vision module to reciprocate along the Z axis direction; according to the laser measuring mechanism, the workpiece measuring efficiency and precision are improved. And on the other hand, the laser measurement mechanism can be driven by the Y-axis linear module and the X-axis linear module to carry out comprehensive measurement on workpieces of different specifications and sizes, so that the laser measurement equipment is wider in applicability.

Description

TECHNICAL FIELD

[0001] The utility model relates to plane degree and curve warping degree measurement technical field, concretely is a kind of laser measuring mechanism and measuring equipment. BACKGROUND

[0002] Plane degree refers to the actual shape of the plane element of workpiece and its ideal plane maximum variation, it is used to ensure that the surface of part keeps flat in space, without concave-convex condition;Warpage is mainly used to describe the bending degree of part in space;It is different from plane degree, warpage concerns the deformation of part in three-dimensional space, not only the deformation in plane, and the measurement of warpage is particularly important for evaluating the quality of large panel or curved surface part, because it is directly related to the service performance and life of part, in practical application, the measurement of plane degree and warpage is crucial for ensuring product quality.

[0003] In prior art, the detection mode of laser plane degree and warpage mostly uses single laser emitter to measure, and single laser emitter measuring instrument needs to move same workpiece for multiple times to complete measurement operation when operating, and its measurement efficiency and applicability are poor.

[0004] Therefore, a laser measuring mechanism and measuring equipment are urgently needed to solve the above problems. UTILITY MODEL CONTENTS

[0005] Based on the above, the purpose of the utility model is to provide a kind of laser measuring mechanism and measuring equipment, to solve the measurement efficiency and applicability of the problem of traditional single laser emitter measuring instrument.

[0006] In order to solve the above technical problem, the utility model adopts the following technical scheme:

[0007] The utility model provides a kind of laser measuring mechanism, it includes:

[0008] Measurement unit is used to measure material plane degree and warpage;The measurement unit includes a group of first laser module and second laser module being fixed between two first laser modules, which are arranged to move towards each other along X axis;

[0009] Visual module is used to detect the shape, size and position of the detected material, and transmit the signal to the background control module;

[0010] Power unit is used to drive two first laser modules to move towards each other along X axis, and drive measurement unit and visual module to reciprocate along Z axis direction.

[0011] As an optional technical scheme of the laser measuring mechanism, the measuring unit further comprises a mounting plate, a movable plate and a bottom plate, the mounting plate is fixed to the movable plate, and the movable plate is slidably connected to the bottom plate along the Z-axis direction.

[0012] As an optional technical scheme of the laser measuring mechanism, a plurality of mutually parallel transverse sliding assemblies are arranged on the mounting plate, and two first laser modules are connected to the plurality of transverse sliding assemblies.

[0013] As an optional technical scheme of the laser measuring mechanism, an L-shaped connecting plate is fixed to one side of the mounting plate close to the vision module, and the vision module and the second laser module are respectively arranged on two sides of the L-shaped connecting plate.

[0014] As an optional technical scheme of the laser measuring mechanism, a plurality of longitudinal sliding assemblies are arranged between the bottom plate and the movable plate, and the movable plate moves up and down through the plurality of longitudinal sliding assemblies.

[0015] As an optional technical scheme of the laser measuring mechanism, the transverse sliding assembly comprises a transverse sliding block connected to the first laser module and a transverse guide rail mounted on the mounting plate, and the longitudinal sliding assembly comprises a longitudinal sliding block connected to the movable plate and a longitudinal guide rail mounted on the bottom plate.

[0016] As an optional technical scheme of the laser measuring mechanism, the power unit comprises a group of driving assemblies respectively driving the first laser module, the second laser module and the movable plate, and a lead screw connected to the output end of the driving assembly for transmission.

[0017] As an optional technical scheme of the laser measuring mechanism, two limit sensors are symmetrically arranged on one side of the bottom plate, and a sensing sheet matched with the limit sensor is arranged on the side of the movable plate close to the limit sensor.

[0018] A laser measuring device comprises any one of the laser measuring mechanisms described above, and further comprises a machine table, two Y-axis linear modules are respectively arranged on the two sides of the upper end surface of the machine table, an X-axis linear module is connected to the moving end of the two Y-axis linear modules, and the laser measuring mechanism is arranged on the X-axis linear module.

[0019] The laser measuring device has the following beneficial effects:

[0020] The utility model provides a kind of laser measuring mechanism, comprising: measurement unit, for measuring material flatness and warping degree;Measurement unit includes a group of first laser module and second laser module being fixed between two first laser modules, which are set to move towards along X axis;Visual module, for detecting the shape size and position of the material under test, and signal is transmitted to background control module;Power unit, for driving two first laser modules to move towards along X axis and driving measurement unit and visual module to reciprocate along Z axis direction.When it is necessary to measure workpiece, visual module shoots the shape and size of its workpiece, and data is transmitted to background control module, the distance position of two first laser modules relative to second laser module is controlled by control module control driving assembly, so that first laser module and second laser module are in the target position of the workpiece to be measured for fast and accurate measurement, without multiple displacement above workpiece, improve the measurement efficiency and accuracy of workpiece.

[0021] The utility model further provides a kind of laser measuring equipment, the laser measuring equipment includes machine table and the Y axis linear module of being located machine table upper end both sides, and X axis linear module is installed on two Y axis linear modules, laser measuring mechanism is installed in the moving end of X axis linear module, whereby, laser measuring mechanism can be driven under Y axis linear module and X axis linear module to different specifications and different size workpiece is measured in all aspects, so that the applicability of this laser measuring equipment is wider. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is the overall structure schematic diagram of laser measuring mechanism in the utility model embodiment one;

[0023] Figure 2 It is the overall structure schematic diagram of laser measuring equipment in the utility model embodiment two;

[0024] Figure 3 It is the structure schematic diagram of one part of measurement unit in the utility model embodiment one;

[0025] Figure 4 It is the structure schematic diagram of two parts of measurement unit in the utility model embodiment one.

[0026] In the drawing: 1, laser measuring mechanism;10, measurement unit;101, first laser module;102, second laser module;103, mounting plate;1031, transverse sliding assembly;1032, "L" shaped connecting plate;104, movable plate;1041, inductive sheet;105, bottom plate;1051, limit sensor;1052, longitudinal sliding assembly;11, visual module;12, power unit;121, driving assembly;2, machine table;3, X axis linear module;4, Y axis linear module. DETAILED DESCRIPTION

[0027] The utility model will be described in further detail below in connection with the drawings and embodiments. It can be understood that the specific embodiments described herein are merely intended to explain the utility model, and not to limit the utility model. In addition, it should be noted that only the parts related to the utility model are shown in the drawings for ease of description, not all the structures.

[0028] In the description of the utility model, unless otherwise explicitly specified and limited, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements or the interaction relationship of two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0029] In the utility model, unless otherwise explicitly specified and limited, the first feature "on" or "below" the second feature can include that the first and second features are in direct contact, or the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the first feature "on", "above" and "above" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0030] In the description of the embodiment, the terms "up", "down", "left", "right" and other orientation or position relationship are based on the orientation or position relationship shown in the drawings, only for the convenience of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore cannot be understood as a limitation of the utility model.

[0031] In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more. In addition, the terms "first", "second" are only used to distinguish in the description, and have no special meaning.

[0032] Embodiment one

[0033] As Figure 1 And Figures 3 to 4The utility model provides a kind of laser measuring mechanism 1, the laser measuring mechanism 1, comprising: measurement unit 10, for measuring material flatness and warping degree;Measurement unit 10 includes a group of first laser module 101 and the second laser module 102 being fixed between two first laser module 101, which are movably arranged along X-axis;Visual module 11 is used to detect the shape and size of the detected material and position, and the signal is transmitted to the background control module;Power unit 12 is used to drive two first laser module 101 along X-axis and drive measurement unit 10 and visual module 11 reciprocating motion along Z-axis direction.

[0034] The utility model provides a kind of laser measuring mechanism 1, the laser measuring mechanism 1, comprising: measurement unit 10, for measuring material flatness and warping degree;Measurement unit 10 includes a group of first laser module 101 and the second laser module 102 being fixed between two first laser module 101, which are movably arranged along X-axis;Visual module 11 is used to detect the shape and size of the detected material and position, and the signal is transmitted to the background control module;Power unit 12 is used to drive two first laser module 101 along X-axis and drive measurement unit 10 and visual module 11 reciprocating motion along Z-axis direction.

[0035] In the embodiment, as Figure 1As shown, the measuring unit 10 further comprises a mounting plate 103, a movable plate 104 and a bottom plate 105, the mounting plate 103 is fixedly connected with the movable plate 104, an "L"-shaped connecting plate 1032 is installed on the side of the mounting plate 103 close to the visual module 11, the shorter end of the "L"-shaped connecting plate 1032 is arranged downward, the visual module 11 and the second laser module 102 are respectively arranged on the two sides of the "L"-shaped connecting plate 1032 and parallel to the mounting plate 103; two groups of transverse sliding assemblies 1031 parallel to each other are arranged on the side of the mounting plate 103 away from the movable plate 104, two first laser modules 101 are respectively connected with the two transverse sliding assemblies 1031, so that the two first laser modules 101 can relatively move left and right in the X-axis direction; two groups of longitudinal sliding assemblies 1052 parallel to each other are arranged between the bottom plate 105 and the movable plate 104, the movable plate 104 and the bottom plate 105 are slidably connected through the two groups of longitudinal sliding assemblies 1052, so that the visual module 11, the first laser module 101 and the second laser module 102 can reciprocate in the Z-axis direction, the visual module 11 shoots the specifications, shapes and sizes of the workpieces and transmits to the backstage center to control the coordinates of the laser modules above the workpieces to complete the measurement work of different workpieces; in the structure, the transverse sliding assembly 1031 comprises a transverse sliding block connected with the first laser module 101 and a transverse guide rail installed on the mounting plate 103; the longitudinal sliding assembly 1052 comprises a longitudinal sliding block connected with the movable plate 104 and a longitudinal guide rail installed on the bottom plate 105, the visual module 11, the first laser module 101 and the second laser module 102 can reciprocate in the X-axis and Z-axis directions through the cooperation of the sliding block and the guide rail.

[0036] Further, as Figure 3 and Figure 4As shown, the power unit 12 includes a set of drive assemblies 121 respectively driving the first laser module 101, the second laser module 102 and the movable plate 104, and a lead screw connected to the output end of the drive assembly 121 for transmission, wherein the three drive assemblies 121 are the same in structure, including a motor, a speed reducer and a shaft coupling, the speed reducer is installed between the motor and the shaft coupling, one end of the lead screw is connected to the end of the shaft coupling away from the speed reducer, the other end of the lead screw for driving the first laser module 101 is respectively threaded through the fixed blocks on the two first laser modules 101 along the length direction of the horizontal guide rail and rotatably connected with the bearing seat on the mounting plate 103, the two drive assemblies 121 on the two first laser modules 101 are installed in opposite directions on the mounting plate 103, when the motor drives the lead screw, the lead screw pushes the fixed blocks to move towards each other, so that the two first laser modules 101 can move left and right with the second laser module 102 as a reference point in the X-axis direction; the lead screw for driving the movable plate 104 to move up and down is connected to the shaft coupling at one end and rotatably connected with the bearing seat on the bottom plate 105 at the other end through the fixed block connected to the movable plate 104 along the length direction of the vertical guide rail; this structure enables the workpiece to be measured to have different specifications and sizes, and the specifications and other information of the workpiece are determined by the vision module 11, and the measurement is completed by controlling the coordinates of the laser module through the drive assembly 121, thereby improving the measurement efficiency and accuracy, and the applicability of the structure is more extensive.

[0037] Specifically, as shown in the drawings, Figure 4 Two limit sensors 1051 are symmetrically arranged on one side of the bottom plate 105, and the movable plate 104 is provided with sensing sheets 1041 matched with the two limit sensors 1051 on the side close to the limit sensors 1051, so as to limit the maximum movement range of the movable plate 104 on the vertical guide rail, and ensure the stability of the equipment and the accuracy of the laser measurement mechanism 1 in measuring the workpiece.

[0038] Embodiment two

[0039] As shown in the drawings, Figure 2 The utility model further provides a laser measurement equipment, which comprises the laser measurement mechanism 1, the machine table 2, the Y axis linear module 4 and the X axis linear module 3 in embodiment one, the Y axis linear module 4 is equipped with two, and is arranged on the both sides of the upper end face of the machine table 2, and the two ends of the X axis linear module 3 are connected to the moving ends of the two Y axis linear modules 4, and the laser measurement mechanism 1 is installed on the moving end of the X axis linear module 3, so that the laser measurement mechanism 1 can move in all directions on the machine table 2 through the X axis linear module 3 and the Y axis linear module 4, and the laser measurement equipment can measure workpieces of various specifications and sizes at the same time, thereby increasing the applicability.

[0040] The laser measuring device provided by the embodiment has high measuring efficiency and precision, and is more widely applicable.

[0041] The above is only a preferred embodiment of the present application, and does not limit the present application in any form. Although the present application is disclosed in the preferred embodiment, it is not intended to limit the present application. Any skilled person in the art can make some changes or modifications to the disclosed technical content without departing from the scope of the technical solution of the present application, and any equivalent embodiment with equivalent changes is equivalent to the above embodiment. Any simple modification, equivalent change and modification of the above embodiment according to the present application are within the scope of the technical solution of the present application.

Claims

1. A laser measuring mechanism, characterized by, The utility model relates to a kind of laser measuring mechanism, including: Measurement unit for measuring material flatness and warping;The measurement unit includes a set of first laser module being set in opposite directions along X axis and second laser module being fixed between two first laser modules; Visual module for detecting the shape, size and position of the inspected material and transmitting signals to the background control module; Power unit for driving two first laser modules to move in opposite directions along X axis and driving measurement unit and visual module to reciprocate along Z axis.

2. A laser measuring mechanism according to claim 1, wherein The measurement unit further includes a mounting plate, a movable plate and a bottom plate, the mounting plate is fixed to the movable plate, and the movable plate is slidably connected to the bottom plate along Z axis.

3. A laser measuring mechanism according to claim 2, wherein The mounting plate is provided with a plurality of mutually parallel transverse sliding components, and two first laser modules are connected to a plurality of transverse sliding components.

4. A laser measuring mechanism according to claim 2, wherein The mounting plate is fixed with an "L" shaped connecting plate on the side close to the visual module, and the visual module and the second laser module are respectively installed on both sides of the "L" shaped connecting plate.

5. A laser measuring mechanism according to claim 3, wherein A plurality of longitudinal sliding components are provided between the bottom plate and the movable plate, and the movable plate moves up and down through a plurality of longitudinal sliding components.

6. A laser measuring mechanism according to claim 5, wherein The transverse sliding component includes a transverse slider connected to the first laser module and a transverse guide rail installed on the mounting plate, and the longitudinal sliding component includes a longitudinal slider connected to the movable plate and a longitudinal guide rail installed on the bottom plate.

7. A laser measuring mechanism according to claim 2, wherein The power unit includes a set of drive components for driving the first laser module, the second laser module and the movable plate respectively, and a lead screw connected to the output end of the drive component for transmission.

8. A laser measuring mechanism according to claim 7, wherein Two limit sensors are symmetrically provided on one side of the bottom plate, and the movable plate is provided with a sensing sheet matched with the limit sensor on the side close to the limit sensor.

9. A laser measuring device comprising a laser measuring mechanism according to any one of claims 1 to 8, characterized in that It also includes a machine table, two Y-axis linear modules are respectively installed on the two sides of the upper end surface of the machine table, an X-axis linear module is connected to the moving end of the two Y-axis linear modules, and the laser measuring mechanism is installed on the moving end of the X-axis linear module.

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