Large-view one-button measuring instrument

Abstract

The utility model discloses a large-view one-button measuring instrument, which comprises a rack, a measuring device and a computer system are arranged on the rack, the measuring device comprises a base arranged on the rack, a measuring support frame is arranged on the base, an objective table capable of vertically lifting is arranged on the measuring support frame, optical glass is arranged in the middle of the objective table, and the computer system is connected with the optical glass. A telecentric light source irradiating towards the optical glass is arranged on the base; a telecentric lens is arranged above the measuring support frame, an upper light source and an industrial camera are arranged on the telecentric lens, and the industrial camera is electrically connected with a computer system; a liftable lifting ring light is arranged above the rack, and the lifting ring light is arranged between the objective table and the telecentric lens. The position of the optical glass is adjusted through the objective table capable of moving up and down, and the side edge of an object is supplemented with light of the lifting ring, so that bright and dark clear imaging of the object on different light reflecting surfaces is obtained, large parts or a plurality of parts are detected, and the detection efficiency is high.

Description

Technical Field

[0001] The utility model belongs to the technical field of measuring equipment and relates to a one-button measuring instrument with a large visual field. Background Art

[0002] When measuring large parts, the test results are poor due to the light source angle and illumination intensity. When multiple parts need to be measured, the existing measuring instruments can only measure one by one, which is inefficient.

[0003] Therefore, it is necessary to improve the prior art to overcome the defects in the prior art. Utility Model Content

[0004] The utility model aims to provide a one-button measuring instrument with a large visual field, which solves the problems in the background technology by adjusting the irradiation height and position of the light source.

[0005] The purpose of the utility model is achieved through the following technical solutions:

[0006] A one-button measuring instrument with a large field of view comprises a frame, on which a measuring device and a computer system are arranged, the measuring device comprises a base arranged on the frame, a measuring support frame is arranged on the base, a vertically liftable stage is arranged on the measuring support frame, an optical glass is centrally arranged on the stage, and a telecentric light source irradiating toward the optical glass is arranged on the base; a telecentric lens is arranged above the measuring support frame, an upper light source and an industrial camera are arranged on the telecentric lens, and the industrial camera is electrically connected to the computer system; a liftable lifting ring light is arranged above the frame, and the lifting ring light is arranged between the stage and the telecentric lens.

[0007] Furthermore, the industrial camera is a CCD camera, and a protective cover is provided on the outer side of the measuring support frame.

[0008] Furthermore, a one-touch start button is provided on the front side of the loading platform.

[0009] Furthermore, the lifting ring light includes a circular auxiliary bracket, and a number of light sources are evenly distributed on the inner wall of the inner ring of the auxiliary bracket. The outer side of the auxiliary bracket is connected to the first screw through a connecting piece. The first screw is vertically arranged on the measuring support frame and a first servo motor is arranged at one end thereof.

[0010] Preferably, a pair of limit sensors for limiting the movement stroke of the first lead screw are provided on the measuring support frame.

[0011] Furthermore, one side of the stage is arranged on the measuring support frame through a linear guide rail, a second lead screw is vertically arranged on the measuring support frame, a sliding part of the second lead screw is fixedly connected to the stage through a connecting plate, and a second servo motor is arranged at one end of the second lead screw.

[0012] Preferably, a pair of limit sensors for limiting the movement stroke of the second lead screw are provided on the measuring support frame.

[0013] Furthermore, a buffer pad is provided on the base, and the base is mounted on the frame through the buffer pad.

[0014] The above technical solution has the following beneficial effects: the position of the optical glass is adjusted by the stage that can be moved up and down, and the side of the object is supplemented with light by the lifting ring light, so as to obtain clear images of the light and dark of the object on different light reflection surfaces, effectively detect large parts or multiple parts, and have high detection efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the implementation of the utility model or the technical solution in the prior art, the following is a brief introduction to the drawings required for the implementation or the prior art description. Obviously, the drawings in the following description are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.

[0016] The structures, proportions, sizes, etc. illustrated in this specification are only used to match the contents disclosed in the specification so as to facilitate understanding and reading by persons familiar with the technology. They are not used to limit the conditions under which the present invention can be implemented, and therefore have no substantial technical significance. Any structural modification, change in proportion or adjustment of size shall still fall within the scope of the technical contents disclosed in the present invention without affecting the effects and purposes that can be achieved by the present invention.

[0017] Figure 1 This is a schematic diagram of the internal three-dimensional structure of the measuring device provided by the utility model.

[0018] Figure 2 This is a schematic diagram of the internal side structure of the measuring device provided by the utility model.

[0019] Figure 3 The present invention is provided as a three-dimensional schematic diagram of the appearance.

[0020] In the figure: 1-computer system; 2-measuring device; 201-base; 202-measuring support frame; 203-stage; 204-optical glass; 205-telecentric light source; 206-telecentric lens; 207-industrial camera; 208-lifting ring light; 2081-auxiliary bracket; 2082-connector; 209-first lead screw; 210-first servo motor; 211-controller; 212-second lead screw; 213-connecting plate; 214-second servo motor; 215-buffer pad. DETAILED DESCRIPTION

[0021] The specific implementation methods of the present invention are further described below in conjunction with the accompanying drawings. It should be noted that the description of these implementation methods is used to help understand the present invention, but does not constitute a limitation of the present invention. In addition, the technical features involved in each implementation method of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0022] Example

[0023] See also Figure 1-Figure 3 As shown, a one-button measuring instrument with a large field of view includes a frame on which a measuring device 2 and a computer system 1 are arranged, wherein the computer system 1 is a desktop computer with built-in measuring software for operation by on-site personnel.

[0024] The measuring device 2 is distributed on one side of the frame, and includes a base 201 arranged on the frame, a measuring support frame 202 is arranged on the base 201, a vertically liftable stage 203 is arranged on the measuring support frame 202, and an optical glass 204 is centrally arranged on the stage. A telecentric light source 205 is arranged on the base 201 to illuminate the optical glass 204. When in use, the telecentric light source 205 provides vertically upward light to vertically illuminate an object placed on the optical glass 204.

[0025] A telecentric lens 206 is disposed above the measurement support frame 202 . An upper light source and an industrial camera 207 are disposed on the telecentric lens 206 . The industrial camera 207 is electrically connected to the computer system 1 .

[0026] A lifting ring light 208 is provided above the frame, and the lifting ring light 208 is located between the stage 203 and the telecentric lens 206. The lifting ring light 208 includes a circular auxiliary bracket 2081, and a plurality of light sources are evenly distributed on the inner wall of the inner circle of the auxiliary bracket 2081. The outer side of the auxiliary bracket 2081 is connected to the first lead screw 209 through a connecting piece 2082. The first lead screw 209 is vertically arranged on the measuring support frame 202, and a first servo motor 210 is arranged at one end thereof.

[0027] When in use, after the object is placed on the optical glass 204, the height of the stage 203 and the lifting ring light 208 are adjusted, the lifting ring light 208 fills in the edge of the object, and the telecentric light source 205 and the upper light source provide vertical light from bottom to top and from top to bottom, so that the outline of the object can be clearly captured by the industrial camera 207 and transmitted to the computer system 1 for recognition processing. The position of the optical glass is adjusted by the stage that can be moved up and down, and the lifting ring light fills in the side of the object, so as to obtain clear imaging of the light and dark of the object on different light reflection surfaces, effectively detect large parts or multiple parts, and have good detection effect and high efficiency.

[0028] Specifically, the vertical lifting of the stage 203 is realized by the following structure: one side of the stage 203 is arranged on the measuring support frame 202 through a linear guide rail, a second lead screw 212 is vertically arranged on the measuring support frame 202, a sliding member of the second lead screw 212 is fixedly connected to the stage 203 through a connecting plate 213, and a second servo motor 214 is arranged at one end of the second lead screw 212.

[0029] A controller 211 is provided on the measurement support frame 202, and the controller 211 is connected to the first servo motor 210 and the second servo motor 214, and is used to control the up and down movement of the first lead screw 209 and the second lead screw 212. When in use, the controller 211 receives instructions from the computer system 1 to make the stage 203 and the lifting ring light 208 reach the specified position. A power module is provided on the measurement support frame 202, and the power module is connected to the mains to supply power to the measurement device 2.

[0030] A one-touch start button is provided on the front side of the stage 203, and the one-touch start button is connected to the computer system 1, so as to facilitate on-site operation by on-site personnel.

[0031] Preferably, a pair of limit sensors for limiting the movement of the first lead screw is provided on the measurement support frame, and a pair of limit sensors for limiting the movement of the second lead screw is provided on the measurement support frame. By providing two sets of limit sensors, the vertical lifting and moving processing of the stage 203 and the lifting ring light 208 is ensured to be within a reasonable range, and to avoid damage caused by hard collision.

[0032] Preferably, a buffer pad 215 is provided on the base 201, and the base 201 is installed on the frame through the buffer pad 215, so that the base 201 can be installed more stably.

[0033] Preferably, the industrial camera 207 in this embodiment is a CCD camera, and a protective cover is provided on the outside of the measuring support frame 202. The protective cover covers most of the measuring device 2, leaving only the auxiliary support 2081 and the stage where the optical glass 204 is located exposed. Through the use of the protective cover, on the one hand, the aesthetic appearance of the measuring device 2 is improved, and on the other hand, the influence of external dust on the optical device is blocked as much as possible, thereby ensuring the accuracy of the internal optical device and extending the service life of the internal optical device.

[0034] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. For those skilled in the art, various changes, modifications, substitutions and variations of these embodiments are made without departing from the principles and spirit of the present invention, and still fall within the scope of protection of the present invention.

Claims

1. A one-button measuring instrument with a large field of view, characterized in that: The invention comprises a frame, on which a measuring device and a computer system are arranged, wherein the measuring device comprises a base arranged on the frame, on which a measuring support frame is arranged, on which a vertically liftable stage is arranged, on which an optical glass is centrally arranged, and on which a telecentric light source irradiating toward the optical glass is arranged; a telecentric lens is arranged above the measuring support frame, on which an upper light source and an industrial camera are arranged, and the industrial camera is electrically connected to the computer system; a liftable ring light is arranged above the frame, and the lift ring light is arranged between the stage and the telecentric lens.

2. The one-button measuring instrument with a large visual field according to claim 1, characterized in that: The industrial camera is a CCD camera, and a protective cover is arranged on the outer side of the measuring support frame.

3. The one-button measuring instrument with a large visual field according to claim 1, characterized in that: A one-touch start button is arranged on the front side of the loading platform.

4. The one-button measuring instrument with a large visual field according to claim 1, characterized in that: The lifting ring light includes a circular auxiliary bracket, and a plurality of light sources are evenly distributed on the inner wall of the inner ring of the auxiliary bracket. The outer side of the auxiliary bracket is connected to the first screw through a connecting piece. The first screw is vertically arranged on the measuring support frame and a first servo motor is arranged at one end thereof.

5. The one-button measuring instrument with a large visual field according to claim 4, characterized in that: A pair of limit sensors for limiting the moving stroke of the first lead screw are arranged on the measuring support frame.

6. The one-button measuring instrument with a large visual field according to claim 1, characterized in that: One side of the stage is arranged on the measuring support frame via a linear guide rail, a second lead screw is vertically arranged on the measuring support frame, a sliding member of the second lead screw is fixedly connected to the stage via a connecting plate, and a second servo motor is arranged at one end of the second lead screw.

7. The one-button measuring instrument with a large visual field according to claim 6, characterized in that: A pair of limit sensors for limiting the movement stroke of the second lead screw are arranged on the measuring support frame.

8. The one-button measuring instrument with a large visual field according to claim 1, characterized in that: A buffer pad is arranged on the base, and the base is installed on the frame through the buffer pad.

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