CN204165510U - Vision measuring instrument with built-in laser pointer - Google Patents

Abstract

The utility model discloses an image measuring apparatu of built-in laser designator, including measuring platform, support and install main camera lens and the surface light source device on the support, this surface light source device includes fixing base, light source base plate, a plurality of light source, and this fixing base upper end has an installation department of installing on the support, and this fixing base lower extreme forms a holding chamber by light source base plate closing cap, have the through-hole that supplies main camera lens to make a video recording in the middle of the light source base plate, the light source is installed in light source base plate lower surface, has set up mobilizable laser designator in the holding intracavity, set up the fretwork hole that supplies laser designator to make a video recording on the light source base plate, this fretwork holding hole is located space between the light source, it passes the perforation with the activity of correction laser designator to. Therefore, the accurate positioning of the laser indicator is realized by utilizing the limiting plates and the embedding grooves and combining manual operation, the measuring instrument has a simple structure, the laser indicator is convenient to adjust, and the working efficiency is improved.

Description

Vision measuring instrument with built-in laser pointer

technical field

The utility model relates to the technology in the field of image detection, in particular to an image measuring instrument with a built-in laser pointer. the

Background technique

With the advancement of science and technology, the use of visual image detection is becoming more and more common in automated production. Visual image detection directly uses machines instead of human eyes for measurement and judgment, such as image measuring instruments, which have higher measurement accuracy and effectively reduce detection costs. . Traditional image measuring instruments generally include a lens, a light source, and a detection table. The lens includes a main lens and a sub-lens. The sub-lens is usually installed on the main lens housing, resulting in a bulky, unattractive, high cost, and the sub-lens is easy to shake , causing the field of view to shift, which seriously affects the measurement accuracy. The adjustment of the secondary lens must be adjusted in the X-axis direction first, and then in the Y-axis direction. The adjustment process is complicated. Therefore, the lens structure of the existing image measuring instrument should be improved to solve the above problems.

Utility model content

In view of this, the utility model aims at the deficiencies in the prior art, and its main purpose is to provide an image measuring instrument with a built-in laser pointer. The limit of the plate and the embedded groove is combined with manual operation to realize the accurate positioning of the laser pointer. The measuring instrument has a simple structure, compact and beautiful appearance, small volume, convenient adjustment of the laser pointer, and high work efficiency.

In order to achieve the above object, the utility model adopts the following technical solutions:

An image measuring instrument with a built-in laser pointer, including a measuring platform, a bracket, a main lens mounted on the bracket, and a surface light source device. The surface light source device includes a fixing seat, a light source substrate, and a plurality of light sources. The upper end of the fixing seat has A mounting part installed on the bracket. The lower end of the fixing seat is covered by the light source substrate to form a housing cavity. There is a through hole in the middle of the light source substrate for the main lens to take pictures. A movable laser pointer is embedded in the cavity, and a hollow hole for the laser pointer to take pictures is provided on the light source substrate. to correct perforation for laser pointer activity.

As a preferred solution: a pedestal protrudes from the top of the fixed seat, and the pedestal has an embedding groove that matches the laser pointer, and the laser pointer can be movably installed in the embedding groove, and the embedding The lower end of the groove has a limit plate that can move up and down. The laser pointer includes a spherical body and a laser emitting head vertically installed on the spherical body. A circular hole for the limit of the spherical body is arranged on the limit plate.

As a preferred solution: a notch for adjusting the position of the laser pointer is provided on the limiting plate, and the notch is connected with the above-mentioned round hole.

As a preferred solution: the diameter of the circular hole is smaller than the diameter of the spherical body.

As a preferred solution: lifting screw holes are protruding from the limiting plate, and lifting studs are provided on the top wall of the fixing seat corresponding to the lifting screw holes, and the lifting studs pass from the outside of the top wall of the fixing seat to the fixing seat The inner side is rotatably connected with the lifting screw hole.

As a preferred solution: the lifting studs are located outside the base and distributed in a triangular shape.

As a preferred solution: the outer wall on one side of the laser pointer is provided with an adjustment groove corresponding to the above-mentioned perforation, and the outer wall on the other side of the laser pointer is provided with a limit screw for preventing excessive adjustment of the laser pointer. Located above the limit plate.

As a preferred solution: the light source substrate is provided with a pole for fixing the light source substrate, and the pole is connected between the light source substrate and the top wall of the fixing seat.

As a preferred solution: the installation part is a fixing hole formed by protruding upward from the upper end of the fixing seat.

As a preferred solution: the outer wall of the fixing hole is provided with a locking hole for fixing the bracket.

Compared with the prior art, the utility model has obvious advantages and beneficial effects. Specifically, it can be seen from the above-mentioned technical scheme that by installing the laser pointer inside the accommodating cavity of the fixed seat, using the limiting plate and the embedded groove The limit position of the laser pointer is combined with manual operation to achieve accurate positioning of the laser pointer. The measuring instrument has a simple structure, a compact and beautiful appearance, and a small volume. The laser pointer can achieve focusing under simple operations. The adjustment process of the laser pointer is simple and can reach The in-place adjustment effect improves the work efficiency, and after the laser pointer is fixed, it will not deviate from the correct position due to external interference, which improves the stability of detection.

In order to more clearly illustrate the structural features and functions of the utility model, it will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

Description of drawings

Fig. 1 is a three-dimensional schematic diagram of an image measuring instrument of the present invention;

Figure 2 is a schematic diagram of the assembly of the bracket part, the main lens and the surface light source device of the present invention;

Fig. 3 is a schematic cross-sectional view at A-A of Fig. 2;

Fig. 4 is a three-dimensional schematic diagram of a surface light source device of the present invention;

Figure 5 is a schematic diagram of the separation of the light source substrate and the fixing seat of the utility model;

Fig. 6 is a schematic diagram of the fixed state of the laser pointer of the present invention;

Fig. 7 is a schematic diagram of the state where the laser pointer of the present invention is released and adjusted;

Fig. 8 is a top view diagram of the light source substrate and the light source of the present invention;

Fig. 9 is a three-dimensional schematic view of the limiting plate of the present invention.

Explanation of the accompanying drawings :

10. Detection platform 20. Bracket

30. Main lens 40. Surface light source device

41. Fixed seat 411. Installation department

412. Locking hole 413. Base

4131. Embedded groove 414. Limiting plate

415. Round hole 416. Notch

417. Lifting screw hole 418. Lifting stud

419. Perforation 42. Laser pointer

421. Spherical body 422. Laser emitting head

423. Adjustment slot 424. Limit screw

43. Light source substrate 431. Strut

432. Through hole 433. Hollow hole

44. Light source 45. Accommodating cavity

50. Adjustment tool.

Detailed ways

As shown in Figures 1 to 9, the utility model is an image measuring instrument with a built-in laser pointer, including a measuring platform 10, a bracket 20, a main lens 30 and a surface light source device 40 installed on the bracket 20, wherein:

The surface light source device 40 includes a fixed seat 41, a laser pointer 42, a light source substrate 43 and a plurality of light sources 44. The upper end of the fixed seat 41 has a mounting portion 411 mounted on the bracket 20. The mounting portion 411 is formed by the fixed seat 41. The fixing hole formed by the upper end protruding upwards is provided with a locking hole 412 for fixing the bracket 20 on the outer wall of the fixing hole; a base 413 is protruding downwards on the inner wall of the top end of the fixing seat 41, and the base 413 has a The embedding groove 4131 that matches the laser pointer 42 has a limit plate 414 that can move up and down at the lower end of the embedding groove 4131. The laser pointer 42 includes a spherical body 421 and a vertically mounted on the spherical body 421. Laser emitting head 422, the lower end of the laser emitting head 422 protrudes outside the spherical body 421, and a circular hole 415 for limiting the spherical body 421 is arranged on the limiting plate 414. The diameter of the circular hole 415 is smaller than that of the spherical body 421. Thereby, the spherical body 421 can be fixed to prevent it from shaking and sliding down. At the same time, the lower end of the laser emitting head 422 can protrude from the limit plate 414, and a notch 416 for adjusting the position of the laser pointer 42 is provided on the circular hole 415; And on the limiting plate 414, a lifting screw hole 417 is protruded upward, and a lifting screw 418 is arranged on the top wall of the fixed seat 41 outside the above-mentioned base 413 corresponding to the lifting screw hole 417, and the lifting stud 418 is arranged in a triangular shape. , the upper end of the lifting stud 418 passes through the outer side of the top wall of the fixing seat 41 to the inner side of the fixing seat 41, and the lower end is rotatably connected with the lifting screw hole 417, and is provided on the fixing seat 41 for the adjustment tool 50 to pass through to correct the laser pointer. The movable perforation 419 of the device 42, the perforation 419 corresponds to the above-mentioned notch 416;

The laser pointer 42 can be movably installed in the above-mentioned embedding groove 4131, an adjustment groove 423 is provided on the outer wall of one side of the laser pointer 42 corresponding to the above-mentioned perforation 419, and an adjustment groove 423 is provided on the outer wall of the other side of the laser pointer 42 to prevent The laser pointer 42 adjusts the excessive limit screw 424, which is located above the limit plate 414;

The plurality of light sources 44 are installed on the lower surface of the light source substrate 43, and a pole 431 for fixing the light source substrate 43 is arranged on the light source substrate 43. The pole 431 is connected between the light source substrate 43 and the top wall of the fixing seat 41, and An accommodating cavity 45 is formed between the lower end of the fixing seat 41 and the light source substrate 43. The above-mentioned laser pointer 42 and the base 413 are all located in the accommodating cavity 45, and a communication channel for the main lens 30 to take pictures is arranged in the middle of the light source substrate 43. The hole 432 is a hollow hole 433 for the laser pointer 42 to take pictures in the space between the light sources 44 on the light source substrate 43 .

The working principle of the utility model is as follows: when the imager detects the workpiece, if the laser pointer 42 is not in the correct firing position, first turn the lifting stud 418 to separate the limit plate 414 from the base 413, so that the laser pointer 42 It can freely rotate in the embedding groove 4131 of the base 413, and then, use an adjustment tool 50 such as a screwdriver or a hexagonal wrench to pass through the perforation 419 on the fixing base 41 and insert it into the adjustment groove 421 on the outer wall of the spherical body to adjust the position of the laser pointer 42. Adjust to make it in the best launch position, and then turn the lifting stud 418 to make the round hole 415 on the limit plate 414 close to the laser pointer 42, and use the edge of the round hole 415 to clamp the laser pointer 42 to the embedded groove 4131 At this point, the workpiece detection can start.

The key point of the design of this utility model is that by installing the laser pointer inside the accommodating cavity of the fixed seat, the accurate positioning of the laser pointer is realized by using the limit plate and the embedding groove and combined with manual operation. Simple, compact and beautiful appearance, small size, the laser pointer can achieve focusing under simple operation, the adjustment process of the laser pointer is simple, can achieve a one-step adjustment effect, and improve work efficiency. It will deviate from the correct position due to external interference, which improves the stability of detection.

The above is only a preferred embodiment of the present utility model, and does not limit the technical scope of the present utility model in any way, so any minor modifications, equivalent changes and changes made to the above embodiments according to the technical essence of the present utility model Modifications still belong to the scope of the technical solution of the utility model.

Claims (10)

1. the image measurer of a built-in laser designator, comprise measuring table, support and the main lens be installed on support and suface light source device, this suface light source device comprises holder, light source substrate, a plurality of light source, this holder upper end has one and is installed on installation portion on support, this holder lower end forms an accommodating cavity by light source substrate capping, there is in the middle of described light source substrate a through hole of making a video recording for main lens, light source is installed on light source substrate lower surface, it is characterized in that: in accommodating cavity, be equipped with mobilizable laser designator, described light source substrate offers a hollow hole of making a video recording for laser designator, this is engraved appearance hole and is arranged in space between light source, described holder has one to pass for adjustment instrument with the perforation of calibration of laser indicator activity.

2. the image measurer of built-in laser designator according to claim 1, it is characterized in that: described holder top has protruded out pedestal, this pedestal has an embedding slot matched with laser designator, laser designator movable is installed in this embedding slot, this embedding slot lower end has a limiting plate moving up and down, the laser beam emitting head that this laser designator comprises spherical and is vertically installed on this spherical, is provided with a circular hole supplying spherical spacing on limiting plate.

3. the image measurer of built-in laser designator according to claim 2, is characterized in that: described limiting plate is provided with the breach for regulating laser designator position, this breach is connected with above-mentioned circular hole.

4. the image measurer of built-in laser designator according to claim 2, is characterized in that: described Circularhole diameter is less than spherical diameter.

5. the image measurer of built-in laser designator according to claim 2, it is characterized in that: described limiting plate protrudes out and is provided with lifting screw, on holder roof, corresponding lifting screw is provided with lifting stud, this lifting stud is worn to holder by outside holder roof, and is connected with lifting screw turnably.

6. the image measurer of built-in laser designator according to claim 5, is characterized in that: described lifting stud is positioned at outside said base, and distribution triangular in shape.

7. the image measurer of built-in laser designator according to claim 1, it is characterized in that: on the outer wall of described laser designator side, corresponding above-mentioned perforation is provided with regulating tank, be provided with on laser designator opposite side outer wall for preventing laser designator from adjusting excessive stop screw, this stop screw is positioned at above limiting plate.

8. the image measurer of built-in laser designator according to claim 1, is characterized in that: described light source substrate is provided with the pole for fixed light source substrate, this pole is connected between light source substrate and holder roof.

9. the image measurer of built-in laser designator according to claim 1, is characterized in that: described installation portion is upwards protrude out by holder upper end the fixed orifice formed.

10. the image measurer of built-in laser designator according to claim 9, is characterized in that: described fixed orifice outer wall is provided with for support bracket fastened locking hole.