CN112407835A

CN112407835A - Plate conveying roller and conveying mechanism of AOI equipment

Info

Publication number: CN112407835A
Application number: CN202011200729.5A
Authority: CN
Inventors: 何桢; 李泽辉; 余冲冲
Original assignee: Foshan Tansiding Technology Co ltd
Current assignee: Foshan Tansiding Technology Co ltd
Priority date: 2020-11-02
Filing date: 2020-11-02
Publication date: 2021-02-26

Abstract

The invention discloses a plate conveying roller and a conveying mechanism of AOI equipment, which comprises a base, wherein a vertical frame is arranged on the base, a fixed frame is arranged on the vertical frame, a plurality of roller bodies are arranged on the fixed frame, the roller bodies are movably arranged relative to the fixed frame, the inner parts of the roller bodies are hollow, one ends of the roller bodies are provided with openings, dust suction grooves penetrating through the roller bodies are uniformly distributed on the roller bodies along the axes of the roller bodies, a driving device for driving the roller bodies to rotate is arranged on the fixed frame, one ends of the openings of the roller bodies are externally connected with a centrifugal dust collector, the driving device drives the roller bodies to rotate, namely, the PCB is driven to move, meanwhile, the air suction is realized through the dust collector, the dust suction grooves can be improved to adsorb dust on the surfaces of adjacent rollers, and the dust or sundries passing through the surfaces of the PCB on the, the method ensures that the image acquisition is hundreds of accurate, and avoids misjudgment of the machine during image identification.

Description

Plate conveying roller and conveying mechanism of AOI equipment

Technical Field

The invention relates to a plate feeding roller and a conveying mechanism of AOI equipment.

Background

AOI (automated Optical inspection) is a device for detecting common defects encountered in welding production based on Optical principles, which is called automatic Optical inspection. AOI is a new emerging testing technology, but the development is rapid, and AOI testing equipment is released by many manufacturers. During automatic detection, the machine automatically scans the PCB through the camera, acquires an image, compares the tested welding spot with qualified parameters in the database, inspects the defects on the PCB through image processing, and displays/marks the defects through a display or an automatic mark for repair personnel to repair;

the former process of detecting is carried out on PCB and is carried PCB to appointed position through conveying mechanism and carries out scanning detection, and conveying mechanism then forms by a plurality of cylinder combinations, thereby realize driving PCB through the rotation of cylinder and remove, because AOI test equipment's principle is to carry out image recognition processing after gathering the image to PCB, consequently PCB surface can not have debris such as dust, the debris of existence can influence image recognition, thereby lead to the condition such as machine misjudgement to appear easily, and equipment uses for a long time in the workshop, also has the dust easily, the dust falls on PCB easily, and current AOI test equipment does not possess the dust removal effect, consequently, the board feeding cylinder and conveying mechanism that need an AOI equipment to solve this problem urgently.

Disclosure of Invention

The invention aims to provide a plate feeding roller and a conveying mechanism of AOI equipment;

the plate feeding roller of the AOI equipment comprises a roller body, wherein the roller body is hollow, one end of the roller body is provided with an opening, the roller body is provided with dust absorption grooves which penetrate through the roller body uniformly along the axis of the roller body, and a buffering protrusion piece is arranged on the outer wall of the roller body between the two dust absorption grooves;

furthermore, the dust suction groove is in a long strip shape;

furthermore, the dust suction groove is in a wave curve shape;

furthermore, a pipeline connector is arranged at one end of the opening of the roller body and can rotate relative to the roller body;

further, a bearing is arranged at one end of the opening of the roller body, an inner ring of the bearing is fixed on the roller body, and an outer ring of the bearing is fixedly connected with the inner wall of the pipeline connector;

furthermore, the buffering protrusion piece is formed by combining a rubber strip and flannelette, and the rubber strip is fixed on the surface of the roller body;

further, the rubber strip is adhered to the surface of the roller body;

a conveying mechanism of AOI equipment comprises a base, wherein a vertical frame is arranged on the base, a fixing frame is arranged on the vertical frame, a plurality of roller bodies are arranged on the fixing frame in an arrayed mode, the roller bodies are movably arranged relative to the fixing frame, the roller bodies are hollow, one end of each roller body is provided with an opening, dust absorption grooves penetrating through the roller bodies are uniformly distributed on the roller bodies along the axes of the roller bodies, a buffering protruding piece is arranged on the outer wall of the roller body between the two dust absorption grooves, and a driving device used for driving the roller bodies to rotate is arranged on the fixing frame;

furthermore, a first gear is arranged on the roller body, toothed belts are sleeved on all the first gears, a first motor is arranged on the fixing frame, a second gear is arranged on a motor shaft of the first motor, and the first gear and the second gear are meshed with each other;

the roller has the advantages of simple and reasonable structure, and capability of removing dust or sundries on the surface in the conveying process of the PCB so as to ensure that the image acquisition is hundreds of accurate and avoid misjudgment.

Drawings

FIG. 1 is a perspective view of a drum according to the present invention;

FIG. 2 is a schematic cross-sectional view of the drum according to the present invention;

FIG. 3 is a second schematic perspective view of the roller of the present invention;

FIG. 4 is an enlarged view taken at A in FIG. 2 according to the present invention;

FIG. 5 is a schematic perspective view of the conveying mechanism of the present invention;

FIG. 6 is a schematic plan view of the buffer protrusion of the present invention.

Detailed Description

The invention is further described with reference to the accompanying drawings and embodiments;

referring to fig. 1-6, a plate conveying roller of an AOI device comprises a roller body 1, wherein the roller body 1 is hollow and has an opening at one end, dust suction grooves 11 penetrating through the roller body 1 are uniformly formed in the roller body 1 along the axis of the roller body, a buffering protrusion 12 is formed in the outer wall of the roller body 1 between the two dust suction grooves 11, one end of the opening of the roller body is externally connected with a centrifugal dust collector, and air suction is realized through the dust collector, so that dust on the surface of an adjacent roller can be adsorbed through the dust suction grooves, and dust or impurities on the surface of a PCB passing through the roller can also be adsorbed through the dust suction grooves, thereby ensuring cleanness and tidiness of a machine and the PCB, ensuring hundreds of accuracy of image acquisition, and avoiding misjudgment of the machine during image recognition;

in the invention, the buffering bulge piece 12 can ensure that a spacing distance is reserved between the PCB and the surface of the roller body so as to ensure that dust can enter from the dust suction groove, and meanwhile, the buffering bulge piece can clean the dust or sundries on the PCB and scrape the dust off;

referring to fig. 1-6, the dust collection groove 11 is in a long strip shape, which can ensure that the dust collection groove completely covers the transverse range of the PCB, and the roller body rotates while driving the PCB to move, so as to collect dust and collect impurities, thereby ensuring that no misjudgment occurs during image acquisition;

referring to fig. 1 to 6, the dust suction groove 11 is in a wave curve shape, and the wave curve shape can enable the dust suction groove to better suck dust, so that the efficiency is higher;

referring to fig. 1-6, a pipeline connector 2 is arranged at one open end of the roller body 1, the pipeline connector 2 can rotate relative to the roller body 1, and the pipeline connector 2 is fixedly connected with a dust suction pipe of a dust collector, so that dust suction can be performed when the roller body needs to rotate, the structure is simple, and the use requirement is met;

referring to fig. 1-6, a bearing 21 is arranged at one end of the opening of the roller body 1, the inner ring of the bearing 21 is fixed on the roller body 1, and the outer ring of the bearing 21 is fixedly connected with the inner wall of the pipeline connector 2, so that the structure is simple, the installation is convenient, and the use requirement is met;

referring to fig. 1-6, the buffering protrusion 12 is formed by combining a rubber strip 121 and a flannelette 122, the rubber strip 121 is fixed on the surface of the roller body 1, when the flannelette 122 drives the PCB to move when the roller body rotates, the flannelette contacts with the surface of the PCB, so that dust or impurities on the surface of the flannelette can be wiped off, and then the flannelette can be sucked away through a dust suction groove, so that the PCB can be better cleaned, and normal detection of the PCB can be ensured;

referring to fig. 1 to 6, the rubber strip 121 is adhered to the surface of the roller body 1;

referring to fig. 1 to 6, a conveying mechanism of an AOI device includes a base 51, a vertical frame 52 is disposed on the base 51, a fixing frame 53 is disposed on the vertical frame 52, two sets of roller assemblies are disposed on the fixing frame 53, respectively, the roller assemblies include a plurality of roller bodies 1 arranged on the fixing frame 53 in an array manner, the roller bodies 1 are movably disposed with respect to the fixing frame 53, the roller bodies 1 are hollow, one end of each roller body 1 is open, dust suction grooves 11 penetrating through the roller bodies 1 are uniformly disposed on the roller bodies 1 along an axis of the roller bodies 1, a buffer protrusion 12 is disposed on an outer wall of the roller body 1 between the two dust suction grooves 11, a driving device for driving the roller bodies 1 to rotate is disposed on the fixing frame 53, and the PCB can be cleaned on both sides up and down through the two sets of roller assemblies, so as to ensure that the PCB of a double-sided circuit is cleaned by dust suction, the structure is simple, and the use requirement is met;

referring to fig. 1 to 6, a first gear is arranged on the roller body 1, toothed belts are sleeved on all the first gears, a first motor is arranged on the fixed frame 53, a second gear is arranged on a motor shaft of the first motor, and the first gear and the second gear are meshed with each other;

in the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used only for the convenience of description and simplicity of description, rather than to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention, the terms "first" and "second" are used for descriptive purposes only, but not as indicating or implying relative importance or implicitly indicating the number of technical features indicated;

the foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a send board cylinder of AOI equipment, includes cylinder body (1), its characterized in that: the roller is characterized in that the roller body (1) is hollow and is provided with an opening at one end, dust suction grooves (11) which penetrate through the roller body (1) are uniformly distributed on the roller body (1) along the axis of the roller body, and buffering protrusions (12) are arranged on the outer wall of the roller body (1) between the dust suction grooves (11).

2. The plate feeding roller of AOI apparatus as claimed in claim 1, wherein: the dust collection groove (11) is in a long strip shape.

3. The plate feeding roller of AOI apparatus as claimed in claim 1, wherein: the dust suction groove (11) is in a wave curve shape.

4. A plate feed cylinder for an AOI apparatus according to any one of claims 1 to 3, wherein: the roller is characterized in that one end of the opening of the roller body (1) is provided with a pipeline connector (2), and the pipeline connector (2) can rotate relative to the roller body (1).

5. The plate feeding roller of AOI apparatus as claimed in claim 4, wherein: one end of the opening of the roller body (1) is provided with a bearing (21), the inner ring of the bearing (21) is fixed on the roller body (1), and the outer ring of the bearing (21) is fixedly connected with the inner wall of the pipeline connector (2).

6. A plate feed cylinder for an AOI apparatus according to any one of claims 1 to 3, wherein: the buffering protrusion piece (12) is formed by combining a rubber strip (121) and flannelette (122), and the rubber strip (121) is fixed on the surface of the roller body (1).

7. The plate feeding roller of AOI apparatus as claimed in claim 6, wherein: the rubber strip (121) is adhered to the surface of the roller body (1).

8. The utility model provides a conveying mechanism of AOI equipment, including base (51) be equipped with grudging post (52) on base (51), be equipped with mount (53) on grudging post (52), its characterized in that: arrange on mount (53) and be provided with many cylinder body (1), cylinder body (1) relative mount (53) activity sets up, cylinder body (1) inside cavity and one end opening set up be equipped with on cylinder body (1) along its axle center equipartition have suction groove (11) that run through cylinder body (1), two be equipped with buffering protruding piece (12) on cylinder body (1) outer wall between suction groove (11) be equipped with on mount (53) and be used for driving cylinder body (1) pivoted drive arrangement.

9. The conveying mechanism of an AOI apparatus according to claim 8, wherein: the roller is characterized in that a first gear is arranged on the roller body (1), toothed belts are sleeved on all the first gears, a first motor is arranged on the fixing frame (53), a second gear is arranged on a motor shaft of the first motor, and the first gear is meshed with the second gear.