A visual positioning mechanism for positioning cylindrical materials

Abstract

The present invention discloses a visual positioning mechanism for positioning cylindrical materials, comprising: a positioning mounting plate, a bottom positioning through hole penetrating the upper and lower surfaces of the plate is provided at the geometric center thereof; a bottom positioning assembly, which is located directly below the bottom positioning through hole; and a left positioning assembly and a right positioning assembly respectively arranged at both ends of the positioning mounting plate, wherein the left positioning assembly and the right positioning assembly are arranged symmetrically on a horizontal plane with respect to the bottom positioning assembly. According to the present invention, a visual positioning system is used to detect the film pasting position of the product, obtain a deviation value, and feed back the result, the bottom camera is used to capture the center of the bottom surface of the product, and the side camera is used to capture the starting and ending positions of the film, thereby enabling rapid and accurate positioning of the side film pasting position of such cylindrical materials or products.

Description

Technical Field

[0001] The invention relates to the field of non-standard automation, and in particular to a visual positioning mechanism for positioning cylindrical materials. Background Art

[0002] In the field of non-standard automation, it is well known that visual positioning mechanisms of different structures are used to position products or materials before processing or assembly. In the process of researching and implementing product or material positioning, the inventors found that the visual positioning mechanisms in the prior art have at least the following problems:

[0003] For products or materials with cylindrical structures, since such products or materials have cylindrical sides and flat upper and lower surfaces, when positioning such products, problems such as eccentricity and uncertainty of flatness may easily occur, resulting in the inability to quickly and accurately position such products or materials with cylindrical structures.

[0004] In view of this, it is necessary to develop a visual positioning mechanism for positioning cylindrical materials to solve the above problems. Summary of the invention

[0005] In view of the shortcomings in the prior art, the main purpose of the present invention is to provide a visual positioning mechanism for positioning cylindrical materials, which uses a visual positioning system to detect the film position of the product, obtain the deviation value, and feedback the result. The bottom camera is used to capture the center of the bottom surface of the product, and the side camera is used to capture the starting and end positions of the film, thereby enabling the side film position of such cylindrical materials or products to be quickly and accurately positioned.

[0006] In order to achieve the above-mentioned purpose and other advantages according to the present invention, a visual positioning mechanism for positioning cylindrical materials is provided, comprising:

[0007] A positioning mounting plate, wherein a bottom positioning through hole penetrating the upper and lower surfaces of the plate is provided at the geometric center thereof;

[0008] a bottom positioning assembly, which is located directly below the bottom positioning through hole; and

[0009] A left positioning assembly and a right positioning assembly are respectively arranged at both ends of the positioning mounting plate,

[0010] Wherein, the left positioning assembly and the right positioning assembly are arranged symmetrically with respect to the bottom positioning assembly on a horizontal plane.

[0011] Optionally, the left positioning component includes:

[0012] a left positioning base, which is mounted on the positioning mounting plate; and

[0013] A left positioning camera, which is installed on the left positioning base;

[0014] The right positioning component comprises:

[0015] a right positioning base, which is mounted on the positioning mounting plate; and

[0016] a right positioning camera, which is mounted on the right positioning base;

[0017] Among them, the lens of the left positioning camera and the lens of the right positioning camera are arranged facing each other, and the left positioning camera and the right positioning camera can respectively emit left positioning infrared rays and right positioning infrared rays extending along the axial direction of their respective lens barrels; the left positioning infrared rays and the right positioning infrared rays are located in the same horizontal plane to form a reference positioning plane for positioning the side of the cylindrical material.

[0018] Optionally, the left positioning infrared ray and the right positioning infrared ray form an angle γ, and the angle γ is 115° to 155°.

[0019] Optionally, the positioning mounting plate is provided with a first supplementary light source in an annular shape and arranged around the outer periphery of the bottom positioning through hole, and a plurality of supplementary lights are arranged on the inner periphery of the first supplementary light source; the first supplementary light source is located below the reference positioning plane.

[0020] Optionally, a second supplementary light source is provided in the bottom positioning through hole, and a light-transmitting hole is opened at the center of the second supplementary light source, so that the second light source is ring-shaped; the first supplementary light source, the second supplementary light source and the bottom positioning through hole are concentrically arranged in the vertical direction.

[0021] Optionally, the bottom positioning assembly includes:

[0022] bottom positioning base; and

[0023] A bottom positioning camera, which is mounted on the bottom positioning base;

[0024] Among them, the lens of the bottom positioning camera is vertically facing the bottom positioning through hole; the bottom positioning camera can emit bottom positioning infrared rays extending along the axial direction of its lens barrel; the bottom positioning infrared rays are emitted vertically upward from the bottom positioning camera and pass through the center of the light-transmitting hole, and then intersect with the left positioning infrared rays and the right positioning infrared rays at a convergence point, and the convergence point is the reference positioning center of the central axis of the cylindrical material.

[0025] Optionally, a substantially L-shaped support arm is fixedly connected between the side surface of the bottom positioning base and the bottom surface of the positioning mounting plate.

[0026] Optionally, the bottom surface of the positioning and mounting plate is supported by at least three support columns that are not arranged in a colinear manner, so that an installation space for accommodating the bottom positioning assembly is formed below the positioning and mounting plate.

[0027] One of the above technical solutions has the following advantages or beneficial effects: since it uses a visual positioning system to detect the film position of the product, obtain the deviation value, and feedback the result, the bottom camera is used to grasp the center of the bottom surface of the product, and the side camera is used to grasp the starting and end positions of the film, thereby being able to quickly and accurately locate the side film position of such cylindrical materials or products. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 A three-dimensional diagram of a visual positioning mechanism for positioning cylindrical materials according to one embodiment of the present invention;

[0029] Figure 2 A front view of a visual positioning mechanism for positioning cylindrical materials according to one embodiment of the present invention;

[0030] Figure 3 The figure is a top view of a visual positioning mechanism for positioning cylindrical materials according to one embodiment of the present invention. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0032] In the drawings, the shapes and dimensions may be exaggerated for clarity, and the same reference numerals will be used throughout to designate the same or like components.

[0033] In the following description, words such as center, thickness, height, length, front, back, rear, left, right, top, bottom, upper, lower, etc. are defined relative to the structure shown in the drawings. In particular, "height" is equivalent to the dimension from top to bottom, "width" is equivalent to the dimension from left to right, and "depth" is equivalent to the dimension from front to back. They are relative concepts and may change accordingly according to their different positions and different usage states. Therefore, these or other directions should not be interpreted as restrictive terms.

[0034] Terms related to attachment, coupling, and the like (eg, "connected" and "attached") refer to either a fixed or attached relationship between structures, either directly or indirectly, and either movable or rigid attachments or relationships, unless expressly stated otherwise, of the structures to one another through intermediate structures.

[0035] According to one embodiment of the present invention, Figure 1 to Figure 3 As shown in FIG. 1 , it can be seen that the visual positioning mechanism 8 for positioning cylindrical materials includes:

[0036] The positioning mounting plate 81 has a bottom positioning through hole 811 extending through the upper and lower surfaces thereof at its geometric center;

[0037] A bottom positioning assembly 83, which is located directly below the bottom positioning through hole 811; and

[0038] The left positioning assembly 84 and the right positioning assembly 85 are respectively arranged at both ends of the positioning mounting plate 81.

[0039] The left positioning assembly 84 and the right positioning assembly 85 are symmetrically arranged on a horizontal plane with respect to the bottom positioning assembly 83 .

[0040] Further, the left positioning component 84 includes:

[0041] A left positioning base 841, which is mounted on the positioning mounting plate 81; and

[0042] A left positioning camera 842, which is installed on the left positioning base 841;

[0043] The right positioning assembly 85 includes:

[0044] a right positioning base 851, which is mounted on the positioning mounting plate 81; and

[0045] A right positioning camera 852, which is installed on the right positioning base 851;

[0046] Among them, the lens of the left positioning camera 842 and the lens of the right positioning camera 852 are arranged opposite to each other, and the left positioning camera 842 and the right positioning camera 852 can respectively emit left positioning infrared rays 843 and right positioning infrared rays 853 extending along the axial direction of their respective lens barrels; the left positioning infrared rays 843 and the right positioning infrared rays 853 are located in the same horizontal plane to form a reference positioning plane for positioning the side of the cylindrical material.

[0047] Furthermore, the left positioning infrared ray 843 and the right positioning infrared ray 853 form an angle γ, and the angle γ is in the range of 115° to 155°.

[0048] Furthermore, the positioning mounting plate 81 is provided with a first supplementary light source 87 which is arranged around the outer periphery of the bottom positioning through hole 811 and is in a ring shape, and a plurality of supplementary lights are arranged on the inner periphery of the first supplementary light source 87; the first supplementary light source 87 is located below the reference positioning plane.

[0049] Furthermore, a second supplementary light source 88 is provided in the bottom positioning through hole 811, and a light-transmitting hole is opened in the center of the second supplementary light source 88, so that the second light source 88 is ring-shaped; the first supplementary light source 87, the second supplementary light source 88 and the bottom positioning through hole 811 are concentrically arranged in the vertical direction.

[0050] Further, the bottom positioning assembly 83 includes:

[0051] Bottom positioning base 831; and

[0052] A bottom positioning camera 833, which is installed on the bottom positioning base 831;

[0053] Among them, the lens of the bottom positioning camera 833 is vertically facing the bottom positioning through hole 811; the bottom positioning camera 833 can emit a bottom positioning infrared ray 834 extending along the axial direction of its lens barrel; the bottom positioning infrared ray 834 is emitted vertically upward from the bottom positioning camera 833 and passes through the center of the light-transmitting hole, and then intersects with the left positioning infrared ray 843 and the right positioning infrared ray 853 at a convergence point, and the convergence point is the reference positioning center of the central axis of the cylindrical material.

[0054] Furthermore, a substantially L-shaped support arm 832 is fixedly connected between the side surface of the bottom positioning base 831 and the bottom surface of the positioning mounting plate 81 .

[0055] Furthermore, the bottom surface of the positioning and mounting plate 81 is supported by at least three support columns 82 that are not arranged in a colinear manner, so that an installation space for accommodating the bottom positioning assembly 83 is formed below the positioning and mounting plate 81 .

[0056] The number of devices and processing scales described here are used to simplify the description of the present invention. Applications, modifications and variations of the present invention will be obvious to those skilled in the art.

[0057] Although the embodiments of the present invention have been disclosed as above, they are not limited to the applications listed in the specification and implementation modes. They can be fully applied to various fields suitable for the present invention. For those familiar with the art, additional modifications can be easily implemented. Therefore, without departing from the general concept defined by the claims and the scope of equivalents, the present invention is not limited to the specific details and the illustrations shown and described herein.

Claims

1. A visual positioning mechanism for positioning cylindrical materials, characterized in that: include: A positioning mounting plate (81) having a bottom positioning through hole (811) extending through the upper and lower surfaces of the positioning mounting plate (81) at its geometric center; a bottom positioning assembly (83), which is located directly below the bottom positioning through hole (811); and A left positioning assembly (84) and a right positioning assembly (85) are respectively arranged at two ends of the positioning mounting plate (81), Wherein, the left positioning component (84) and the right positioning component (85) are arranged symmetrically on a horizontal plane with respect to the bottom positioning component (83); The left positioning component (84) comprises: A left positioning base (841) mounted on the positioning mounting plate (81); and A left positioning camera (842) mounted on the left positioning base (841); The right positioning component (85) comprises: a right positioning base (851), which is mounted on the positioning mounting plate (81); and A right positioning camera (852), which is mounted on the right positioning base (851); The lens of the left positioning camera (842) and the lens of the right positioning camera (852) are arranged facing each other, and the left positioning camera (842) and the right positioning camera (852) can respectively emit left positioning infrared rays (843) and right positioning infrared rays (853) extending along the axis direction of their respective lens barrels; the left positioning infrared rays (843) and the right positioning infrared rays (853) are located in the same horizontal plane to form a reference positioning plane for positioning the side of the cylindrical material; A second supplementary light source (88) is provided in the bottom positioning through hole (811), and a light-transmitting hole is provided at the center of the second supplementary light source (88), so that the second supplementary light source (88) is ring-shaped; The bottom positioning assembly (83) comprises: A bottom positioning base (831); and A bottom positioning camera (833) mounted on the bottom positioning base (831); The lens of the bottom positioning camera (833) is vertically oriented toward the bottom positioning through hole (811); the bottom positioning camera (833) can emit bottom positioning infrared rays (834) extending along the axial direction of its lens barrel; the bottom positioning infrared rays (834) are emitted vertically upward from the bottom positioning camera (833) and pass through the center of the light-transmitting hole, and then intersect with the left positioning infrared rays (843) and the right positioning infrared rays (853) at a convergence point, and the convergence point is the reference positioning center of the central axis of the cylindrical material.

2. The visual positioning mechanism for positioning cylindrical materials according to claim 1, characterized in that: The left positioning infrared ray (843) and the right positioning infrared ray (853) form an angle γ, and the angle γ is 115° to 155°.

3. The visual positioning mechanism for positioning cylindrical materials according to claim 2, characterized in that: The positioning mounting plate (81) is provided with a first supplementary light source (87) which is arranged around the outer periphery of the bottom positioning through hole (811) and is in an annular shape, and a plurality of supplementary light lamps are arranged on the inner periphery of the first supplementary light source (87); the first supplementary light source (87) is located below the reference positioning plane.

4. The visual positioning mechanism for positioning cylindrical materials as claimed in claim 3, characterized in that: The first supplementary light source (87), the second supplementary light source (88) and the bottom positioning through hole (811) are arranged concentrically in the vertical direction.

5. The visual positioning mechanism for positioning cylindrical materials according to claim 4, characterized in that: A substantially L-shaped support arm (832) is fixedly connected between the side surface of the bottom positioning base (831) and the bottom surface of the positioning mounting plate (81).

6. The visual positioning mechanism for positioning cylindrical materials according to claim 1, characterized in that: The bottom surface of the positioning installation plate (81) is supported by at least three support columns (82) that are arranged non-collinearly, so that an installation space for accommodating the bottom positioning assembly (83) is formed below the positioning installation plate (81).

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