CN213631985U

CN213631985U - Linear scanning device

Info

Publication number: CN213631985U
Application number: CN202022610816.XU
Authority: CN
Inventors: 黄宏臻
Original assignee: GOOD VISION PRECISION INSTRUMENT CO LTD
Current assignee: GOOD VISION PRECISION INSTRUMENT CO LTD
Priority date: 2020-11-12
Filing date: 2020-11-12
Publication date: 2021-07-06
Anticipated expiration: 2030-11-12

Abstract

The utility model provides a linear scanning device, which comprises a frame, a bottom plate and a portal frame are fixed on the frame, a y-axis driving component along the y-axis direction is arranged on the bottom plate, the output end of the y-axis driving component is connected with a glass carrier plate, an x-axis driving component along the x-axis direction is arranged on the portal frame, the output end of the x-axis driving component is connected with a support, a z-axis driving component along the z-axis direction is arranged on the support, the output end of the z-axis driving component is connected with a mounting plate, a linear scanning module and a visual positioning module are fixed on the mounting plate, upper light sources are arranged on two sides of the linear scanning module along the x-axis direction, the lower end of the visual positioning module is provided with an annular light source, the bottom plate is also provided with a lower light source which moves synchronously with the linear scanning module, and the lower light source is positioned under the linear scanning module. The utility model discloses a linear scanning equipment, the measuring accuracy is high, and measurement of efficiency is high.

Description

Linear scanning device

Technical Field

The utility model relates to an image measuring equipment technical field, concretely relates to linear scanning equipment.

Background

The CCD image scanning equipment is a high-precision optical image scanning and measuring instrument which is composed of a high-resolution CCD color lens, a continuous zoom objective lens, a color display, a video cross line display, a precise grating ruler, a multifunctional data processor, data measuring software and a high-precision workbench structure. The CCD image scanning device is based on CCD digital image and is based on the powerful software capacity of computer screen measuring technology and space geometric operation. After the computer is installed with special control and graphic measurement software, the computer becomes a measurement brain with a software soul, and the measurement brain is the main body of the whole device. The displacement value of the optical ruler can be rapidly read, a required result is obtained instantly through the operation of a software module established on the basis of space geometry, and a graph is generated on a screen for an operator to compare the graph and the image, so that the possible deviation of the measurement result can be visually distinguished. In the prior art, a CCD image scanning device usually has only one linear array CCD camera or area array CCD camera to directly scan and measure a product to be measured, and the mode of directly scanning and measuring the device is easy to generate measurement errors.

SUMMERY OF THE UTILITY MODEL

To above problem, the utility model provides a linear scanning equipment, the measuring accuracy is high, and measurement of efficiency is high.

In order to achieve the above object, the present invention provides the following technical solutions:

linear scanning equipment, which comprises a frame, be fixed with bottom plate, portal frame in the frame, be equipped with the y axle drive assembly along the y axle direction on the bottom plate, the output of y axle drive assembly is connected with the glass support plate, be equipped with the x axle drive assembly along the x axle direction on the portal frame, the output of x axle drive assembly is connected with the support, be equipped with the z axle drive assembly along the z axle direction on the support, the output of z axle drive assembly is connected with the mounting panel, be fixed with linear scanning module, visual positioning module on the mounting panel, linear scanning module all is equipped with the light source along the both sides of x axle direction, visual positioning module lower extreme is equipped with annular light source, still be equipped with on the bottom plate with linear scanning module synchronous motion's lower light source, the light source is located under the linear scanning module.

Specifically, the linear scanning module is a linear array CCD camera, and the visual positioning module is an area array CCD camera.

Specifically, the y-axis driving assembly comprises a first motor fixed on the bottom plate, a first lead screw connected to an output shaft of the first motor, and a first lead screw sleeve connected with the first lead screw in a sliding manner, the first lead screw sleeve is an output end of the y-axis driving assembly, and the lower end of the glass carrier plate is fixedly connected with the first lead screw sleeve.

Specifically, the x-axis driving assembly comprises a second motor fixed on the portal frame, a second lead screw connected to an output shaft of the second motor, a second lead screw sleeve connected with the second lead screw in a sliding manner, a first sliding block fixed at one end of the second lead screw sleeve, and a first guide rail fixed on the portal frame, the first sliding block is connected with the first guide rail in a sliding manner, the first sliding block is an output end of the x-axis driving assembly, and one end of the support is fixedly connected with the first sliding block.

Specifically, the z-axis driving assembly comprises a third motor fixed on the support, a third screw rod connected to an output shaft of the third motor, a third screw rod sleeve connected with the third screw rod in a sliding manner, a second sliding block fixed at one end of the third screw rod sleeve, and a second guide rail fixed on the support, the second sliding block is an output end of the z-axis driving assembly, and one end of the mounting plate is fixedly connected with the second sliding block.

Specifically, the bottom plate upside still is equipped with along the belt conveyor subassembly of x axle direction, belt conveyor subassembly include both ends respectively with support both sides fixed connection's first belt, with first belt matched with first band pulley, with first band pulley coaxial coupling's second band pulley, setting are in third band pulley on the bottom plate, with second band pulley, third band pulley matched with second belt, be used for the drive first belt pivoted fourth motor, action wheel, the light source is fixed down the second belt upper end.

Specifically, light source one end still is connected with the third slider down, second belt one side is equipped with along the third guide rail of x axle direction, the third slider with third guide rail sliding connection.

Specifically, the light outlets of the two upper light sources are inclined towards one side of the linear scanning module.

Specifically, the annular light source is composed of a plurality of lamp beads inclining towards the inner side.

Specifically, the top end of the support is further connected with a spring, and the lower end of the spring is fixedly connected with the mounting plate.

The utility model has the advantages that:

the utility model discloses a linear scanning equipment is equipped with linear scanning module, vision orientation module, carries out image visual location and sets up the coordinate to the product that awaits measuring through vision orientation module during the measurement, confirms the position of product through the location, guarantees measurement accuracy, carries out linear scanning to the product that awaits measuring through linear scanning module to measure the length and width size of product, plane degree isoparametric, compare the dotting type measurement mode of traditional laser head, efficiency is higher.

Drawings

Fig. 1 is a schematic structural diagram of the linear scanning apparatus of the present invention.

Fig. 2 is a front view of the linear scanning apparatus of the present invention.

Fig. 3 is a cross-sectional view taken along the plane a-a in fig. 2.

Fig. 4 is a schematic structural diagram of the middle linear scanning module, the visual positioning module, the upper light source, and the annular light source of the present invention.

Fig. 5 is a first internal structure diagram of the linear scanning apparatus of the present invention.

Fig. 6 is a second internal structure diagram of the linear scanning apparatus of the present invention.

Fig. 7 is a third internal structure diagram of the linear scanning apparatus of the present invention.

The reference signs are: the device comprises a rack 1, a bottom plate 11, a portal frame 12, a glass carrier 13, a support 14, a mounting plate 15, a spring 16, a y-axis driving component 2, a first motor 21, a first screw rod 22, a first screw rod sleeve 23, an x-axis driving component 3, a second motor 31, a second screw rod 32, a second screw rod sleeve 33, a first slider 34, a first guide rail 35, a z-axis driving component 4, a third motor 41, a third screw rod 42, a third screw rod sleeve 43, a second slider 44, a second guide rail 45, a linear scanning module 51, a visual positioning module 52, an upper light source 53, an annular light source 54, a lamp bead 541, a lower light source 55, a belt conveying component 6, a first belt 61, a first belt pulley 62, a second belt pulley 63, a third belt pulley 64, a second belt 65, a fourth motor 66, a third slider 67 and a third guide rail 68.

Detailed Description

The present invention will be described in further detail with reference to the following examples and drawings, but the present invention is not limited thereto.

Referring to FIGS. 1-7:

the linear scanning device comprises a rack 1, a bottom plate 11 and a portal frame 12 are fixed on the rack 1, a y-axis driving assembly 2 along the y-axis direction is arranged on the bottom plate 11, the output end of the y-axis driving assembly 2 is connected with a glass carrier plate 13, a product to be detected is placed on the glass carrier plate 13, the glass carrier plate 13 can move along the y-axis direction under the driving action of the y-axis driving assembly 2, an x-axis driving assembly 3 along the x-axis direction is arranged on the portal frame 12, the output end of the x-axis driving assembly 3 is connected with a support 14, a z-axis driving assembly 4 along the z-axis direction is arranged on the support 14, the output end of the z-axis driving assembly 4 is connected with a mounting plate 15, a linear scanning module 51 and a visual positioning module 52 are fixed on the mounting plate 15, the linear scanning module 51 and the visual positioning module 52 can both realize the movement along the xz-axis direction, the linear scanning module 51 is provided with upper light sources 53 on both sides along the x-axis direction, the lower end of the visual positioning module 52 is provided with an annular light source 54, the bottom plate 11 is further provided with a lower light source 55 moving synchronously with the linear scanning module 51, and the lower light source 55 is located right below the linear scanning module 51.

Preferably, the linear scanning module 51 is a linear array CCD camera, the visual positioning module 52 is an area array CCD camera, a standard template needs to be established for the standard size of the product to be detected before scanning, template data is stored in a template database, the product to be detected is comprehensively shot and positioned and coordinates are established through the area array CCD camera, a linear picture of the product to be detected is shot and scanned in real time through the linear array CCD camera and is moved and spliced based on the x-axis direction, after the splicing of the linear picture is completed, the panoramic picture is subjected to image visual processing and is compared with the standard template in the database, so as to detect whether the parameters of the length, width, flatness index and the like of the product to be detected are qualified or not.

Preferably, the y-axis driving assembly 2 includes a first motor 21 fixed on the bottom plate 11, a first lead screw 22 connected to an output shaft of the first motor 21, and a first lead screw sleeve 23 slidably connected to the first lead screw 22, the first lead screw sleeve 23 is an output end of the y-axis driving assembly 2, and the lower end of the glass carrier plate 13 is fixedly connected to the first lead screw sleeve 23.

Preferably, the x-axis driving assembly 3 includes a second motor 31 fixed on the gantry 12, a second lead screw 32 connected to an output shaft of the second motor 31, a second lead screw sleeve 33 slidably connected to the second lead screw 32, a first slider 34 fixed at one end of the second lead screw sleeve 33, and a first guide rail 35 fixed on the gantry 12, the first slider 34 is slidably connected to the first guide rail 35, the first slider 34 is an output end of the x-axis driving assembly 3, and one end of the support 14 is fixedly connected to the first slider 34.

Preferably, the z-axis driving assembly 4 includes a third motor 41 fixed on the support 14, a third lead screw 42 connected to an output shaft of the third motor 41, a third lead screw sleeve 43 slidably connected to the third lead screw 42, a second slider 44 fixed at one end of the third lead screw sleeve 43, and a second guide rail 45 fixed on the support 14, wherein the second slider 44 is an output end of the z-axis driving assembly 4, and one end of the mounting plate 15 is fixedly connected to the second slider 44.

Preferably, in order to ensure that the lower light source 55 and the linear scanning module 51 can move synchronously, a belt conveying assembly 6 along the x-axis direction is further disposed on the upper side of the base plate 11, the belt conveying assembly 6 includes a first belt 61 having two ends respectively fixedly connected to two sides of the support 14, a first belt pulley 62 engaged with the first belt 61, a second belt pulley 63 coaxially connected with the first belt pulley 62, a third belt pulley 64 disposed on the base plate 11, a second belt 65 engaged with the second belt pulley 63 and the third belt pulley 64, a fourth motor 66 for driving the first belt 61 to rotate, and a driving wheel coaxially connected with an output shaft of the fourth motor 66 and engaged with the first belt 61, and when the fourth motor 66 is started, the driving wheel drives the first belt 61 to move, that is, the second belt 65 to move, and because the lower light source 55 is fixed on the upper end of the second belt 65, so that the lower light source 55 is always located directly below the linear scanning module 51.

Preferably, one end of the lower light source 55 is further connected with a third slider 67, one side of the second belt 65 is provided with a third guide rail 68 along the x-axis direction, and the third slider 67 is slidably connected with the third guide rail 68.

Preferably, the light outlets of the two upper light sources 53 are inclined towards one side of the linear scanning module 51, and the light rays emitted by the two upper light sources 53 are inclined downwards to irradiate the upper end of the product to be measured, so that the definition of the upper end of the product to be measured is ensured.

Preferably, annular light source 54 comprises a plurality of lamp pearls 541 that lean on to inboard slope, compares traditional annular LED lamp, and the light of the annular light source 54 of constituteing by a plurality of lamp pearls 541 is more concentrated, light intensity is stronger to the definition of scanning the picture has been guaranteed.

Preferably, in order to make the mounting plate 15 have the function of automatic return, the top end of the support 14 is further connected with a spring 16, and the lower end of the spring 16 is fixedly connected with the mounting plate 15.

The above embodiments only represent one embodiment of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. Linear scanning equipment, which is characterized by comprising a rack (1), wherein a bottom plate (11) and a portal frame (12) are fixed on the rack (1), a y-axis driving component (2) along the y-axis direction is arranged on the bottom plate (11), the output end of the y-axis driving component (2) is connected with a glass carrier plate (13), an x-axis driving component (3) along the x-axis direction is arranged on the portal frame (12), the output end of the x-axis driving component (3) is connected with a support (14), a z-axis driving component (4) along the z-axis direction is arranged on the support (14), the output end of the z-axis driving component (4) is connected with a mounting plate (15), a linear scanning module (51) and a visual positioning module (52) are fixed on the mounting plate (15), and upper light sources (53) are arranged on the linear scanning module (51) along the two sides of the x-, the lower end of the visual positioning module (52) is provided with an annular light source (54), the bottom plate (11) is further provided with a lower light source (55) which moves synchronously with the linear scanning module (51), and the lower light source (55) is located right below the linear scanning module (51).

2. The linear scanning device according to claim 1, characterized in that said linear scanning module (51) is a linear array CCD camera and said visual positioning module (52) is an area array CCD camera.

3. The linear scanning device according to claim 1, characterized in that the y-axis driving assembly (2) comprises a first motor (21) fixed on the bottom plate (11), a first lead screw (22) connected to an output shaft of the first motor (21), and a first lead screw sleeve (23) slidably connected to the first lead screw (22), wherein the first lead screw sleeve (23) is an output end of the y-axis driving assembly (2), and the lower end of the glass carrier plate (13) is fixedly connected to the first lead screw sleeve (23).

4. The linear scanning device according to claim 1, wherein the x-axis driving assembly (3) comprises a second motor (31) fixed on the gantry (12), a second lead screw (32) connected to an output shaft of the second motor (31), a second lead screw sleeve (33) slidably connected with the second lead screw (32), a first slider (34) fixed at one end of the second lead screw sleeve (33), and a first guide rail (35) fixed on the gantry (12), the first slider (34) is slidably connected with the first guide rail (35), the first slider (34) is an output end of the x-axis driving assembly (3), and one end of the support (14) is fixedly connected with the first slider (34).

5. The linear scanning device according to claim 1, wherein the z-axis driving assembly (4) comprises a third motor (41) fixed on the support (14), a third lead screw (42) connected to an output shaft of the third motor (41), a third lead screw sleeve (43) slidably connected to the third lead screw (42), a second slider (44) fixed at one end of the third lead screw sleeve (43), and a second guide rail (45) fixed on the support (14), wherein the second slider (44) is an output end of the z-axis driving assembly (4), and one end of the mounting plate (15) is fixedly connected to the second slider (44).

6. The linear scanning device according to claim 1, wherein a belt conveying assembly (6) is further disposed on the upper side of the base plate (11) along the x-axis direction, the belt conveying assembly (6) includes a first belt (61) having two ends respectively fixedly connected to two sides of the support (14), a first pulley (62) engaged with the first belt (61), a second pulley (63) coaxially connected with the first pulley (62), a third pulley (64) disposed on the base plate (11), a second belt (65) engaged with the second pulley (63) and the third pulley (64), a fourth motor (66) for driving the first belt (61) to rotate, and a capstan, and the lower light source (55) is fixed to the upper end of the second belt (65).

7. The linear scanning device according to claim 6, characterized in that a third slider (67) is further connected to one end of the lower light source (55), a third guide rail (68) is arranged along the x-axis direction on one side of the second belt (65), and the third slider (67) is slidably connected with the third guide rail (68).

8. The linear scanning apparatus according to claim 1, wherein the light exit ports of both of the upper light sources (53) are disposed to be inclined toward the side of the linear scanning module (51).

9. Linear scanning device according to claim 1, characterized in that the ring-shaped light source (54) consists of several lamp beads (541) inclined towards the inner side.

10. The linear scanning device according to claim 1, characterized in that a spring (16) is further connected to the top end of the support (14), and the lower end of the spring (16) is fixedly connected to the mounting plate (15).