CN213092322U

CN213092322U - Focus adjustable scanning structure

Info

Publication number: CN213092322U
Application number: CN202022219979.5U
Authority: CN
Inventors: 薛来辉
Original assignee: Kunshan Zhoujin Electronic Technology Co ltd
Current assignee: Kunshan Zhoujin Electronic Technology Co ltd
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2021-04-30
Anticipated expiration: 2030-09-30

Abstract

The utility model relates to an adjustable focus formula scanning structure, it includes: the utility model discloses a CCD camera, including the slip table, fix rack on the slip table, set up and be in on the slip table and cooperate the workstation that the rack removed, install the hand wheel of workstation side, fix backup pad on the workstation, interval set up the CCD support at backup pad both ends, movably install the inboard CCD camera of CCD support, with CCD camera synchronous movement just is located the light source support subassembly in the CCD support outside and fix CCD light source on the light source support subassembly. The utility model discloses adjustable focus formula scanning structure application scope is wide, scanning result is accurate, scanning efficiency is high, fixed mode is simple, occupy small, practice thrift the cost.

Description

Focus adjustable scanning structure

Technical Field

The utility model belongs to the technical field of the two-dimensional code scanning, concretely relates to adjustable focus formula scanning structure.

Background

An FPC (flexible wiring board) is a printed circuit board having high reliability and excellent flexibility, and is often used in the fields of industry, electronics, aerospace, deep sea exploration, and the like because of its characteristics of high wiring density, light weight, thin thickness, and good bendability.

Bar codes on the FPC are generally divided into paper two-dimensional codes and laser two-dimensional codes on a steel sheet, in the prior art, the scanning of the FPC two-dimensional codes is divided into two modes (infrared scanning and laser scanning), the two modes can successfully scan the paper two-dimensional codes, but the surface of the steel sheet is smooth, the area of the laser two-dimensional codes is small, generally 2 x 2mm, and when the two-dimensional codes are scanned, a scanning gun can emit red light or white light to be used as auxiliary positioning or illumination. Therefore, the steel sheet reflects light and fails to scan, and therefore a structure for conveniently and rapidly scanning the two-dimensional code on the steel sheet needs to be designed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the not enough of prior art and providing an adjustable focus formula scanning structure.

In order to achieve the above purpose, the utility model adopts the technical scheme that: an adjustable focus scanning structure, comprising:

the utility model discloses a CCD camera, including the slip table, fix rack on the slip table, set up and be in on the slip table and cooperate the workstation that the rack removed, install the hand wheel of workstation side, fix backup pad on the workstation, interval set up the CCD support at backup pad both ends, movably install the inboard CCD camera of CCD support, with CCD camera synchronous movement just is located the light source support subassembly in the CCD support outside and fix CCD light source on the light source support subassembly.

Preferably, the sliding table is provided with a wedge part, and the rack is fixed in the wedge part.

Optimally, a gear meshed with the rack is arranged in the workbench, and the hand wheel is connected with the gear.

Preferably, a plurality of fixing grooves are formed in the supporting plate at intervals.

Optimally, the CCD support is provided with an arc-shaped part, and a first mounting groove is formed in the CCD support.

Optimally, the light source bracket component comprises a movable plate movably arranged on the outer side of the CCD bracket, and fixed on two sides of the movable plate and used for clamping the CCD bracket and a mounting plate fixed on the movable plate and perpendicular to the moving direction of the movable plate.

Preferably, the moving plate is provided with a second mounting groove matched with the first mounting groove for use.

Preferably, the mounting plate is provided with a groove portion, and a plurality of positioning holes are formed in the end, far away from the moving plate, of the mounting plate at intervals.

Preferably, the CCD light source is installed on the positioning hole.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage: the utility model discloses adjustable focal length formula scanning structure can select the CCD camera of different pixels according to the two-dimensional code of different complexity, and then accurately scan the two-dimensional code of radium-shine on the steel sheet through the CCD camera; through the meshing effect of the rack fixed on the sliding table and the gear of the workbench, the height of the workbench can be adjusted under the rotation of the hand wheel, and then the focal length of the CCD camera is adjusted, so that clear photographing is realized. The utility model discloses adjustable focus formula scanning structure application scope is wide, scanning result is accurate, scanning efficiency is high, fixed mode is simple, occupy small, practice thrift the cost.

Drawings

Fig. 1 is a schematic structural view of the adjustable focus scanning structure of the present invention;

fig. 2 is a schematic structural view of another aspect of the present invention;

fig. 3 is a schematic structural view of the light source bracket assembly of the present invention;

FIG. 4 is a diagram showing the positional relationship between the slide table and the table according to the present invention;

description of reference numerals:

1. a sliding table; 11. a wedge portion; 2. a rack; 3. a work table; 4. a hand wheel; 5. a support plate; 51. fixing grooves; 6. a CCD holder; 61. an arc-shaped portion; 62. a first mounting groove; 7. a CCD camera; 8. a light source bracket assembly; 81. moving the plate; 811. a second mounting groove; 82. a lug; 83. mounting a plate; 831. a groove part; 832. positioning holes; 9. a CCD light source.

Detailed Description

The invention will be further described with reference to examples of embodiments shown in the drawings.

As shown in fig. 1 to 4, the utility model discloses adjustable focus formula scanning structure installs on automatic scanning board usually for the radium-shine two-dimensional code on the steel sheet of accurate scanning, it mainly includes slip table 1, rack 2, workstation 3, hand wheel 4, backup pad 5, CCD support 6, CCD camera 7, light source bracket component 8 and CCD light source 9 etc..

The sliding table 1 is fixed on the scanning machine table (the sliding table 1 is vertically fixed on the testing machine table, the sliding table 1 is made of aluminum alloy; in the embodiment, the sliding table 1 is provided with a wedge-shaped part 11, the wedge-shaped part 11 is provided with a rectangular through groove, and the sliding table 1 can be fixed on the testing machine table in a screw fastening mode). The rack 2 is fixed on the sliding table 1 (the rack 2 is a common strip metal rack, and can be fixed in the rectangular through groove of the wedge part 11 by a screw fastening mode). The working table 3 is arranged on the sliding table 1 and is matched with the rack 2 to move (the working table 3 is a rectangular aluminum alloy block which has a groove shape matched with the wedge part 11 of the sliding table 1 and is used for clamping the wedge part 11; in the embodiment, a gear is arranged at the position where the working table 3 is contacted with the rack 2, is positioned in the groove of the working table 3 and is always meshed with the rack 2). Hand wheel 4 installs the side at workstation 3 (hand wheel 4 is general common metal hand wheel, and its rotation axis is connected with the gear, and the accessible is rotatory hand wheel 4, and then drives the gear rotation, relies on the meshing effect of gear and rack 2, drives workstation 3 and realizes elevating movement on slip table 1). The support plate 5 is fixed on the worktable 3 (the support plate 5 is a rectangular metal plate, two fixing grooves 51 are spaced on the support plate 5, the fixing grooves 51 are in a rounded rectangular shape, and screws can pass through the fixing grooves 51 to fix the support plate 5 on the worktable 3). There are two CCD holders 6 fixed at both ends of the support plate 5 at an interval (the CCD holder 6 has an arc portion 61, the arc portion 61 is close to the support plate 5 and mainly plays a role of increasing strength; in this embodiment, the CCD holder 6 is provided with a first mounting groove 62, and the first mounting groove 62 is in a rounded rectangular shape). The CCD camera 7 is movably installed at the inner side of the CCD support 6 (the CCD camera 7 is used for taking pictures of a steel sheet below the CCD camera 7 and analyzing the steel sheet; in the embodiment, the CCD camera 7 with different pixels can be selected according to the complexity of the two-dimensional code so as to ensure the accuracy of the scanning result, the CCD camera 7 generally adopts 500 pixels, and the higher pixels also comprise 1024 pixels and 2048 pixels). The light source bracket assembly 8 is movably installed outside the CCD bracket 6 and moves in synchronization with the CCD camera 7. The CCD light source 9 is fixed to the light source bracket assembly 8 to provide sufficient brightness for photographing by the CCD camera 7.

Further, as shown in fig. 3, the light source bracket assembly 8 mainly includes a moving plate 81, a lug 82, a mounting plate 83, and the like. The moving plate 81 is movably installed outside the CCD holder 6 (the moving plate 81 is a rectangular metal plate; in this embodiment, the moving plate 81 is opened in a second mounting groove 811 used in cooperation with the first mounting groove 62, and the second mounting groove 811 is in a rounded rectangular shape). The two lugs 82 are fixed on the upper and lower sides of the moving plate 81 and used for clamping the CCD bracket 6, so that the moving plate 81 is firmly installed. The mounting plate 83 is fixed on the moving plate 81 and perpendicular to the moving direction of the moving plate 81 (the mounting plate 83 has a recessed portion 831, and a plurality of positioning holes 832 are formed at an end of the mounting plate 83 away from the moving plate 81. In actual use, when the CCD camera 7 moves on the CCD holder 6, in order to ensure the sufficiency of the light source, the light source holder assembly 8 is also moved in synchronization, and the screw is installed in synchronization with the first mounting groove 62 through the second mounting groove 811.

Further, the CCD light source 9 is mounted on the positioning hole 832 for providing sufficient illumination for the CCD camera 7 to take a picture.

The utility model discloses adjustable focal length formula scanning structure is when specifically using, through rotatory hand wheel 4, and then adjusts the height of workstation 3, and is moderate until CCD camera 7's focal length, then CCD camera 7 just can be to the steel sheet of its below analysis of shooing.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. An adjustable focus scanning structure, comprising:

slip table (1), fix rack (2), setting on slip table (1) are in just cooperate on slip table (1) workstation (3) that rack (2) removed, install hand wheel (4) of workstation (3) side, fix backup pad (5), the interval setting on workstation (3) is in CCD support (6), the movable installation at backup pad (5) both ends are in CCD camera (7) of CCD support (6) inboard, with CCD camera (7) synchronous motion and be located light source bracket component (8) in the CCD support (6) outside and fix CCD light source (9) on light source bracket component (8).

2. The adjustable focal length scanning structure of claim 1, wherein: the sliding table (1) is provided with a wedge-shaped part (11), and the rack (2) is fixed in the wedge-shaped part (11).

3. The adjustable focal length scanning structure of claim 1, wherein: a gear meshed with the rack (2) is arranged in the workbench (3), and the hand wheel (4) is connected with the gear.

4. The adjustable focal length scanning structure of claim 1, wherein: the supporting plate (5) is provided with a plurality of fixing grooves (51) at intervals.

5. The adjustable focal length scanning structure of claim 1, wherein: CCD support (6) have an arc portion (61), seted up first mounting groove (62) on CCD support (6).

6. The adjustable focal length scanning structure of claim 5, wherein: light source bracket component (8) include movable mounting in the movable plate (81) in CCD support (6) outside, fix movable plate (81) both sides just are used for the joint lug (82) and the fixing of CCD support (6) on movable plate (81) and perpendicular to movable plate (81) moving direction's mounting panel (83).

7. The adjustable focal length scanning structure of claim 6, wherein: and a second mounting groove (811) matched with the first mounting groove (62) for use is formed in the moving plate (81).

8. The adjustable focal length scanning structure of claim 6, wherein: the mounting plate (83) is provided with a groove portion (831), and a plurality of positioning holes (832) are formed in one end, far away from the moving plate (81), of the mounting plate (83) at intervals.

9. The adjustable focal length scanning structure of claim 8, wherein: the CCD light source (9) is installed on the positioning hole (832).