Cantilever type full-automatic image measuring instrument

Abstract

The utility model discloses a cantilever type full-automatic image measuring instrument in the technical field of image measuring instruments, which comprises a machine table, a measuring table and a lens assembly used for realizing image measurement, and is characterized in that the machine table is provided with a lifting assembly used for driving a detection head to do up-and-down lifting motion and a displacement mechanism used for driving the measuring table to move; the displacement mechanism comprises a front-and-back displacement assembly and an axial displacement assembly, the lifting assembly is used for driving the detection head to do up-and-down lifting motion, and the front-and-back displacement assembly and the axial displacement assembly are used for driving the measuring table to move. The position of a product can be adjusted to the optimal measuring position through the front-back displacement assembly and the axial displacement assembly before or in the measuring process, and the lifting assembly drives the detection head to descend to the optimal measuring height, so that the measuring precision of the product is improved, the position does not need to be adjusted through manual operation, the automation degree is high, and the working efficiency is high. And the working efficiency of measurement can be greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of image measuring instruments, in particular to a cantilever type full-automatic image measuring instrument. Background Technique

[0002] An image measuring instrument is a high-precision optical image measuring instrument composed of a high-resolution CCD color lens, a continuously variable magnification objective lens, a color display, a video crosshair display, a precision grating scale, a multi-functional data processor, data measurement software and a high-precision workbench structure;

[0003] In order to facilitate the support effect when the image measuring instrument is used in cooperation with product measurement, it is usually selected to support the image measuring instrument above the product detection platform through a gantry. When assembling the image measuring instrument and the gantry, most of them determine the installation position of the measuring instrument on the gantry, and pass the bolts on the gantry through the holes in the bottom of the gantry and the measuring instrument to be screwed together, so as to fix the image measuring instrument on the gantry;

[0004] However, at present, the measuring table in the existing image measuring instrument is usually fixed and cannot be adjusted in position during the measurement process of the product, thus affecting the measurement accuracy of the product and having a poor use effect. Content of the Utility Model

[0005] In order to overcome the deficiencies of the prior art solutions, the utility model provides a cantilever type full-automatic image measuring instrument, which can effectively solve the technical problem that the measuring table in the existing image measuring instrument is usually fixed and cannot be adjusted in position during the measurement process of the product, thus affecting the measurement accuracy of the product.

[0006] The technical solution adopted by the utility model to solve its technical problems is: a cantilever type full-automatic image measuring instrument, including a machine table, a measuring table and a lens assembly for realizing image measurement. The lens assembly includes a detection head and a calibration lens. The machine table is provided with a lifting assembly for driving the detection head to move up and down. The lifting assembly includes a lifting plate and a third lead screw module for driving the lifting plate to move. The lifting plate is provided with a cantilever connected thereto. The detection head is installed at the front end of the cantilever and moves up and down therewith;

[0007] And the machine table is provided with a displacement mechanism for driving the measuring table to move. The displacement mechanism includes a front-back displacement component and an axial displacement component. The front-back displacement component includes a first movable plate and a first lead screw module for driving the first movable plate to move. The axial displacement component is installed on the end face of the first movable plate and moves therewith. The axial displacement component includes a second movable plate and a second lead screw module for driving the second movable plate to move. The measuring table is installed on the end face of the second movable plate and moves therewith.

[0008] Preferably, a set of first linear guide rails arranged at left - right intervals are provided on the end face of the machine table. The first movable plate is provided with first linear sliders for sliding cooperation with the first linear guide rails, and the first lead screw module is drivingly connected to the first movable plate.

[0009] Preferably, a set of second linear guide rails arranged at front - rear intervals are provided on the end face of the first movable plate. The second movable plate is provided with second linear sliders for sliding cooperation with the second linear guide rails, and the second lead screw module is drivingly connected to the second movable plate.

[0010] Preferably, an installation frame and a guide rail installation seat for installing the lifting component are provided on the end face of the machine table. The guide rail installation seat is provided with a set of lifting guide rails arranged at left - right intervals. The lifting plate is provided with lifting sliders for sliding cooperation with the lifting guide rails, and the third lead screw module is drivingly connected to the lifting plate.

[0011] Preferably, the calibration lens is fixedly installed on the end face of the machine table, and the detection head and the calibration lens are arranged vertically.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] By providing a lifting component for driving the detection head to move up and down, and a front - rear displacement component and an axial displacement component for driving the measuring table to move, therefore, before or during the measurement of the product, the front - rear displacement component and the axial displacement component can adjust its position to the best measurement position, and the lifting component drives the detection head to descend to the best measurement height, thereby improving the measurement accuracy of the product. And there is no need for manual operation to adjust the position, with strong automation, which can greatly improve the measurement work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a perspective view of the cantilever - type full - automatic image measuring instrument of the present utility model;

[0015] Figure 2 is a structural schematic diagram of the cantilever - type full - automatic image measuring instrument of the present utility model;

[0016] Figure 3 is a plan view of the cantilever - type full - automatic image measuring instrument of the present utility model.

[0017] Reference numerals in the drawings:

[0018] 1 - Machine platform; 2 - Measuring table; 3 - Detection head; 4 - Lifting guide rail; 5 - Lifting slider; 6 - Cantilever; 9 - Second ball screw; 10 - Second screw bearing seat; 11 - Second driving motor; 12 - Guide rail mounting seat; 13 - Mounting frame; 14 - Lifting plate; 15 - Third ball screw; 16 - Third driving motor; 17 - First driving motor; 18 - Second linear guide rail; 19 - First ball screw; 20 - First screw bearing seat; 21 - First linear guide rail; 22 - First movable plate; 23 - Second movable plate. Detailed implementation manner

[0019] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0020] As Figures 1-3 shown, the present invention provides a cantilever - type full - automatic image measuring instrument, including a machine platform 1, a measuring table 2 and a lens assembly for realizing image measurement. The lens assembly includes a detection head 3 and a calibration lens. The calibration lens is fixedly installed on the end face of the machine platform 1, and the detection head 3 and the calibration lens are arranged vertically. The machine platform 1 is provided with a lifting assembly for driving the detection head 3 to move up and down. The lifting assembly includes a lifting plate 14 and a third screw module for driving the lifting plate 14 to move. The lifting plate 14 is connected with a cantilever 6, and the detection head 3 is installed at the front end of the cantilever 6 and moves up and down therewith;

[0021] Moreover, the machine tool 1 is provided with a displacement mechanism for driving the measurement table 2 to move. The displacement mechanism includes a front-back displacement component and an axial displacement component. The front-back displacement component includes a first movable plate 22 and a first lead screw module for driving the first movable plate 22 to move. The axial displacement component is installed on the end surface of the first movable plate 22 and moves together with it. The axial displacement component includes a second movable plate 23 and a second lead screw module for driving the second movable plate 23 to move. The measurement table 2 is installed on the end surface of the second movable plate 23 and moves together with it. A set of first linear guides 21 arranged at left-right intervals is provided on the end surface of the machine tool 1. The first movable plate 22 is provided with first linear sliders for slidingly cooperating with the first linear guides 21. The first lead screw module is drivingly connected to the first movable plate 22. The first lead screw module includes a first driving motor 17, a first ball screw 19, and a first lead screw bearing block 20. The first lead screw bearing block 20 is in transmission connection with the first ball screw 19. The output shaft of the first driving motor 17 is drivingly connected to the first ball screw 19, and the first lead screw bearing block is connected to the first movable plate 22. A set of second linear guides 18 arranged at front-back intervals is provided on the end surface of the first movable plate 22. The second movable plate 23 is provided with second linear sliders for slidingly cooperating with the second linear guides 18. The second lead screw module is drivingly connected to the second movable plate 23. The second lead screw module includes a second driving motor 11, a second ball screw 9, and a second lead screw bearing block 10. The second lead screw bearing block 10 is in transmission connection with the second ball screw 9. The output shaft of the second driving motor 11 is drivingly connected to the second ball screw 9, and the second lead screw bearing block 10 is connected to the second movable plate 23. An installation frame 13 and a guide rail installation base 12 for installing a lifting component are provided on the end surface of the machine tool 1. The guide rail installation base 12 is provided with a set of lifting guide rails 4 arranged at left-right intervals. The lifting plate 14 is provided with lifting sliders for slidingly cooperating with the lifting guide rails 4. The third lead screw module is drivingly connected to the lifting plate 14. The third lead screw module includes a third driving motor 16, a third ball screw 15, and a third lead screw bearing block. The third lead screw bearing block is in transmission connection with the third ball screw 15. The output shaft of the third driving motor 16 is drivingly connected to the third ball screw 15, and the third lead screw bearing block is connected to the lifting plate 14.

[0022] Compared with the traditional technology: By providing a lifting component for driving the detection head 3 to move up and down, and providing a front-back displacement component and an axial displacement component for driving the measurement table 2 to move. Therefore, before measurement or during the measurement of the product, the front-back displacement component and the axial displacement component can adjust its position to the optimal measurement position, and the lifting component drives the detection head 3 to descend to the optimal measurement height, thereby improving the measurement accuracy of the product. Moreover, there is no need for manual operation to adjust the position, with strong automation and a significant improvement in the measurement work efficiency.

[0023] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above exemplary embodiments, and the present utility model can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be embraced within the present utility model. Any reference signs in the claims should not be construed as limiting the claims involved.

Claims

1. Cantilever type full-automatic image measuring instrument, comprising a machine table, a measuring table and a lens assembly for realizing image measurement, the lens assembly comprising a detection head and a calibration lens, characterized in that, The machine platform is provided with a lifting component for driving the detection head to move up and down. The lifting component includes a lifting plate and a third lead screw module for driving the lifting plate to move. The lifting plate is provided with a cantilever connected thereto, and the detection head is installed at the front end of the cantilever and moves up and down therewith. Moreover, the machine platform is provided with a displacement mechanism for driving the measuring table to move. The displacement mechanism includes a front-back displacement component and an axial displacement component. The front-back displacement component includes a first movable plate and a first lead screw module for driving the first movable plate to move. The axial displacement component is installed on the end face of the first movable plate and moves therewith. The axial displacement component includes a second movable plate and a second lead screw module for driving the second movable plate to move. The measuring table is installed on the end face of the second movable plate and moves therewith.

2. The cantilever type full-automatic image measuring instrument according to claim 1, characterized in that, A set of first linear guides arranged at intervals left and right are provided on the end face of the machine platform. The first movable plate is provided with first linear sliders for slidingly cooperating with the first linear guides. The first lead screw module is drivingly connected to the first movable plate.

3. The cantilever type full-automatic image measuring instrument according to claim 1, wherein, A set of second linear guides arranged at intervals front and back are provided on the end face of the first movable plate. The second movable plate is provided with second linear sliders for slidingly cooperating with the second linear guides. The second lead screw module is drivingly connected to the second movable plate.

4. The cantilever type full-automatic image measuring instrument according to claim 1, characterized in that, An installation frame and a guide rail mounting seat for installing the lifting component are provided on the end face of the machine platform. The guide rail mounting seat is provided with a set of lifting guide rails arranged at intervals left and right. The lifting plate is provided with lifting sliders for slidingly cooperating with the lifting guide rails. The third lead screw module is drivingly connected to the lifting plate.

5. The cantilever type full-automatic image measuring instrument according to claim 1, wherein, The calibration lens is fixedly installed on the end face of the machine platform, and the detection head and the calibration lens are arranged vertically.

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