Double-station detection device

Abstract

The utility model relates to the field of visual inspection, and discloses a double-station detection device, which comprises a double-sided reflecting mirror, a second reflecting mirror and a third reflecting mirror, and is characterized in that the double-sided reflecting mirror comprises two first reflecting surfaces which are symmetrically arranged about a first symmetric surface; the detection camera is arranged on one side of the double-sided reflector, a lens of the detection camera directly faces the double-sided reflector, and the center line of the detection camera is located on the first symmetry plane; the triangular mirror group comprises a mounting plate parallel to the first symmetry plane and at least two triangular reflectors which are arranged on one side, close to the double-sided reflector, of the mounting plate in a circumferential array manner; the mounting plate is provided with a detection hole for a workpiece to penetrate through, and all the triangular reflectors are arranged around the center line of the detection hole in a circumferential array mode. The double-station detection device provided by the utility model can further improve the detection efficiency of the workpiece.

Description

Technical Field

[0001] The utility model relates to the field of vision detection, in particular to a double-station detection device. Background Art

[0002] At present, generally, a detection camera is used to take pictures of a workpiece to detect surface defects of the workpiece. To detect the surface of the workpiece, the following methods are included. The first method is to take a picture of one side of the workpiece first, then the workpiece rotates 180° to obtain the other side of the workpiece, and then take a picture. Finally, it is also necessary to take a picture to detect the top surface of the workpiece, so as to complete the detection of the workpiece. This method requires rotating the workpiece multiple times, with low efficiency. The second method is to set three detection cameras. Two detection cameras are respectively arranged on opposite sides of the workpiece, and the third detection camera is arranged on one side of the top of the workpiece. Then, pictures are taken of the two sides and the top surface of the workpiece respectively, so as to complete the detection of the workpiece. This method requires multiple cameras and lenses, with high cost and complex structure.

[0003] In view of this, it is necessary to design a double-station detection device to further improve the detection efficiency of the workpiece.

[0004] The above information is given as background information only to assist in understanding the present disclosure, and it is not determined or admitted whether any of the above content can be used as the prior art relative to the present disclosure. Summary of the Utility Model

[0005] The utility model provides a double-station detection device to further improve the detection efficiency of the workpiece.

[0006] To achieve the above object, the utility model provides the following technical solutions:

[0007] A double-station detection device includes:

[0008] A double-sided reflecting mirror, including two first reflecting surfaces symmetrically arranged about a first symmetry plane;

[0009] A detection camera is arranged on one side of the double-sided reflecting mirror. The lens of the detection camera faces the double-sided reflecting mirror, and the center line of the detection camera is located in the first symmetry plane;

[0010] A triangular mirror group includes a mounting plate parallel to the first symmetry plane and at least two triangular reflecting mirrors circumferentially arranged on the side of the mounting plate close to the double-sided reflecting mirror; the mounting plate is provided with a detection hole for the workpiece to pass through, and all the triangular reflecting mirrors are circumferentially arranged around the center line of the detection hole;

[0011] There are two sets of the triangular mirror groups, and the two sets of the triangular mirror groups are symmetrically arranged with respect to the first symmetry plane. The triangular reflecting mirror is used to reflect the peripheral image of the workpiece passing through the detection hole to the adjacent first reflecting surface, and the first reflecting surface is used to reflect the peripheral image and the end face image of the workpiece close to the double-sided reflecting mirror to the detection camera.

[0012] Optionally, there are four triangular reflecting mirrors in the triangular mirror group;

[0013] The mirror surface of the triangular reflecting mirror is inclined with respect to the center line of the detection hole, and the mirror surface of the triangular reflecting mirror faces the center line of the detection hole.

[0014] Optionally, the included angle between the two first reflecting surfaces is a, and 45° ≤ a ≤ 135°.

[0015] Optionally, the first symmetry plane is parallel to the horizontal plane.

[0016] Optionally, the double-station detection device further includes an annular light source;

[0017] The annular light source is arranged around the center line of the detection camera to emit light to the two first reflecting surfaces.

[0018] Optionally, the double-station detection device further includes a coaxial light source;

[0019] The coaxial light source is installed between the annular light source and the detection camera, and includes a lamp board, a diffusion board and a beam splitter. The light emitted by the lamp board is diffused by the diffusion board and then emitted to the beam splitter, and the beam splitter emits the light to the double-sided reflecting mirror.

[0020] Optionally, a clamping groove for installing the triangular reflecting mirror is provided on the mounting plate, and the triangular reflecting mirror can slide along the clamping groove to adjust its position; the center line of the clamping groove passes through the center line of the detection hole;

[0021] A clamping device for clamping the triangular reflecting mirror in the clamping groove is further installed on the mounting plate.

[0022] Optionally, a threaded hole penetrating through the side wall of the clamping groove is provided on the mounting plate;

[0023] The clamping device includes a threaded member threadedly connected to the threaded hole and an elastic pressing portion provided at the end of the threaded member to elastically press the triangular reflecting mirror.

[0024] Optionally, the center of the threaded hole is inclined with respect to the side wall of the clamping groove.

[0025] Optionally, an embedding groove is provided at the end of the threaded part, and one end of the elastic pressing part is embedded in the embedding groove, and the other end is exposed out of the embedding groove.

[0026] Compared with the prior art, the utility model has the following beneficial effects:

[0027] The double-station detection device provided by the utility model can enable the detection camera to simultaneously take pictures of the surfaces (including the side and top surfaces of the workpiece) of two workpieces in one photo through the ingenious cooperation among the triangular mirror group, the detection camera and the double-sided mirror, which can greatly improve the detection efficiency and does not require multiple detection cameras.

[0028] The utility model has other characteristics and advantages, which will be obvious from the accompanying drawings incorporated herein and the subsequent detailed description, or will be detailed in the accompanying drawings incorporated herein and the subsequent detailed description. These accompanying drawings and the detailed description are used together to explain the specific principles of the utility model. Description of the Drawings

[0029] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the accompanying drawings required for use in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, other accompanying drawings can be obtained based on these drawings without creative efforts.

[0030] Figure 1 is a schematic cross-sectional structure diagram of the double-station detection device provided by the embodiment of the present utility model;

[0031] Figure 2 is a top view schematic diagram of the triangular mirror group provided by the embodiment of the present utility model;

[0032] Figure 3 is a partial cross-sectional view schematic diagram of another triangular mirror group provided by the embodiment of the present utility model.

[0033] Reference numerals: 1, double-sided mirror; 11, first reflecting surface; 2, detection camera; 3, triangular mirror group; 301, detection hole; 302, card slot; 31, mounting plate; 32, triangular reflector; 4, annular light source; 5, coaxial light source; 51, lamp board; 52, diffusion plate; 53, beam splitter; 6, clamping device; 601, embedding groove; 61, threaded part; 62, elastic pressing part; 100, first symmetry plane; 200, workpiece. Detailed Embodiments

[0034] To elaborate in detail on the possible application scenarios, technical principles, specific implementable solutions, achievable objectives and effects of this application, etc., the following will be described in detail with reference to the specific examples listed and in conjunction with the attached drawings. The embodiments described herein are only used to more clearly illustrate the technical solutions of this application, and thus are only examples and cannot be used to limit the protection scope of this application.

[0035] Reference to "embodiment" in this document means that a specific feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of this application. The term "embodiment" that appears in various positions in the specification does not necessarily refer to the same embodiment, nor does it particularly limit its independence or relevance to other embodiments. In principle, in this application, as long as there is no technical contradiction or conflict, the various technical features mentioned in each embodiment can be combined in any way to form corresponding implementable technical solutions.

[0036] Unless otherwise defined, the meanings of the technical terms used in this document are the same as those commonly understood by those skilled in the technical field to which this application belongs; the use of relevant terms in this document is only for describing specific embodiments and is not intended to limit this application.

[0037] In the description of this application, the phrase "and / or" is an expression used to describe the logical relationship between objects, indicating that there can be three relationships. For example, A and / or B means: there is A, there is B, and there is both A and B at the same time. In addition, the character " / " in this document generally represents an "or" logical relationship between the associated objects before and after.

[0038] In this application, terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual quantitative, primary-secondary, or sequential relationships between these entities or operations.

[0039] Without further limitation, in this application, the use of expressions such as "including", "comprising", "having", or other similar expressions in a statement is intended to cover non-exclusive inclusion. These expressions do not exclude the possibility that there may be additional elements in the process, method, or product that includes the said elements, such that a process, method, or product that includes a series of elements may not only include those defined elements, but also include other elements that are not explicitly listed, or elements that are inherent to such a process, method, or product.

[0040] Similar to the understanding in the "Examination Guidelines", in this application, expressions such as "greater than", "less than", "exceeding", etc. are understood as not including the number itself; expressions such as "above", "below", "within", etc. are understood as including the number itself. In addition, in the description of the embodiments of this application, the meaning of "multiple" is two or more (including two), and similar expressions related to "many" are also understood in this way, such as "multiple groups", "multiple times", etc., unless otherwise clearly and specifically defined.

[0041] In the description of the embodiments of this application, the spatially related expressions used, such as "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "perpendicular", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the specific embodiment or the drawing, and is only for the convenience of describing the specific embodiment of this application or facilitating the understanding of the reader, rather than indicating or implying that the device or component referred to must have a specific position, a specific orientation, or be constructed or operated in a specific orientation, and therefore cannot be understood as a limitation on the embodiments of this application.

[0042] Unless otherwise clearly specified or limited, in the description of the embodiments of this application, the terms such as "installed", "connected", "joined", "fixed", "set", etc. should be understood in a broad sense. For example, the "connection" can be a fixed connection, a detachable connection, or an integral setting; it can be a mechanical connection, an electrical connection, or a communication connection; it can be directly connected, or indirectly connected through an intermediate medium; it can be the communication inside two components or the interaction relationship between two components. For those skilled in the art to which this application pertains, the specific meanings of the above terms in the embodiments of this application can be understood according to specific circumstances.

[0043] In view of the defects existing in the above-mentioned existing detection devices, based on the rich practical experience and professional knowledge accumulated in the design and manufacture of such products for many years by the applicant, and in cooperation with the application of theory, active research and innovation have been carried out in the hope of creating a technology that can solve the defects in the prior art, making the detection device more practical. After continuous research, design, and repeated sample making and improvement, the present utility model with practical value has finally been created.

[0044] Please refer to Figures 1 to 2, an embodiment of the present utility model provides a double-station detection device, including: a double-sided mirror 1, including two first reflecting surfaces 11 symmetrically arranged with respect to the first symmetry plane 100; a detection camera 2, arranged on one side of the double-sided mirror 1, the lens of the detection camera 2 facing the double-sided mirror 1 directly, and the center line of the detection camera 2 being located in the first symmetry plane 100; a triangular mirror group 3, including a mounting plate 31 parallel to the first symmetry plane 100 and at least two triangular reflectors 32 arranged in a circumferential array on the side of the mounting plate 31 close to the double-sided mirror 1; the mounting plate 31 is provided with a detection hole 301 for the workpiece 200 to penetrate, and all the triangular reflectors 32 are arranged in a circumferential array around the center line of the detection hole 301; there are two sets of triangular mirror groups 3, the two sets of triangular mirror groups 3 are symmetrically arranged with respect to the first symmetry plane 100, and the triangular reflectors 32 are used to reflect the outer peripheral image of the workpiece 200 penetrating into the detection hole 301 onto the adjacent first reflecting surface 11, and the first reflecting surface 11 is used to reflect the outer peripheral image and the end face image of the workpiece 200 close to the double-sided mirror 1 onto the detection camera 2.

[0045] In actual use, first insert the workpiece 200 into the detection holes 301 of the two sets of triangular mirror groups 3 to a suitable position; the outer peripheral image of the workpiece 200 is reflected by multiple triangular reflectors 32 onto the adjacent first reflecting surface 11, and the first reflecting surface 11 then reflects the outer peripheral image of the workpiece 200 into the detection camera 2, so that the detection camera 2 can capture the complete outer periphery of the workpiece 200; because the two sets of triangular mirror groups 3 are symmetrically arranged with respect to the first symmetry plane 100, and the lens of the detection camera 2 faces the double-sided mirror 1 directly, the detection camera 2 can photograph and detect the outer peripheries of two workpieces 200 at one time. It should also be added that the end face image of the workpiece 200 close to the double-sided mirror 1 can directly enter the detection camera through the reflection of the double-sided mirror.

[0046] Therefore, the double-station detection device in this embodiment can detect two workpieces 200 at one time, greatly improving the detection efficiency and eliminating the need to set up multiple detection cameras.

[0047] Optionally, there are four triangular reflectors 32 in the triangular mirror group 3; the mirror surface of the triangular reflector 32 is inclined with respect to the center line of the detection hole 301, and the mirror surface of the triangular reflector 32 faces the center line of the detection hole 301, so as to reflect the outer peripheral image of the workpiece 200 more completely into the detection camera 2. It should also be added that the triangular mirror group can also be provided with three triangular reflectors 32.

[0048] In a specific embodiment, the included angle between the two first reflecting surfaces 11 is a, and 45° ≤ a ≤ 135°. Preferably, the value of a is 90°, which is more convenient for setting the position of the triangular mirror group 3.

[0049] Optionally, the first symmetry plane 100 is parallel to the horizontal plane.

[0050] Optionally, the double-station detection device further includes an annular light source 4; the annular light source 4 is arranged around the center line of the detection camera 2 to emit light to the two first reflecting surfaces 11. The annular light source 4 provides supplementary light, so that the surface of the workpiece 200 can be illuminated, and the photos taken by the detection camera 2 are clearer and more accurate.

[0051] Optionally, the double-station detection device further includes a coaxial light source 5; the coaxial light source 5 is installed between the annular light source 4 and the detection camera 2, and includes a lamp board 51, a diffusion board 52 and a beam splitter 53. The light emitted by the lamp board 51 is diffused by the diffusion board 52 and then projected onto the beam splitter 53, and the beam splitter 53 projects the light onto the double-sided mirror 1. Specifically, the coaxial light source 5 provides supplementary light, which can better illuminate the end face and the outer peripheral surface of the workpiece 200, which is beneficial to improving the clarity of the photos taken by the detection camera 2.

[0052] Optionally, a clamping groove 302 for installing the triangular mirror 32 is provided on the mounting plate 31. The triangular mirror 32 can slide along the clamping groove 302 to adjust its position, and the center line of the clamping groove 302 passes through the center line of the detection hole 301; a clamping device 6 for clamping the triangular mirror 32 in the clamping groove 302 is also installed on the mounting plate 31. Specifically, the triangular mirror 32 can slide along the clamping groove 302, and can be closer to or farther away from the detection hole 301, so as to detect the outer peripheral images of different regions of the workpiece 200.

[0053] Optionally, as Figure 3 , a threaded hole penetrating through the side wall of the clamping groove 302 is provided on the mounting plate 31; the clamping device 6 includes a threaded member 61 threadedly connected to the threaded hole and an elastic pressing portion 62 provided at the end of the threaded member 61 to elastically press the triangular mirror 32. Specifically, after adjusting the position of the triangular mirror 32, the threaded member 61 is screwed in, so that the elastic pressing portion 62 presses the workpiece 200.

[0054] Optionally, the center of the threaded hole is inclined to the side wall of the clamping groove 302. For example, the threaded hole obliquely penetrates through the side of the mounting plate 31 close to the triangular mirror group 3, so that the triangular mirror group 3 can be fixed or loosened on this side, and thus the position of the triangular mirror group 3 can be adjusted more conveniently.

[0055] Optionally, an embedding groove 601 is provided at the end of the threaded member 61. One end of the elastic pressing portion 62 is embedded in the embedding groove 601, and the other end is exposed from the embedding groove 601, so that the elastic pressing portion 62 is easier to be installed on the threaded member 61. It should also be added that the threaded member 61 can be a bolt.

[0056] Finally, it should be noted that although the above embodiments have been described in the text of the specification and the drawings of the present application, the patent protection scope of the present application cannot be limited thereby. Any technical solutions obtained by equivalent structure or equivalent process substitution or modification based on the substantial concept of the present application and using the content recorded in the text of the specification and the drawings of the present application, as well as those directly or indirectly implementing the technical solutions of the above embodiments in other related technical fields, are all included in the patent protection scope of the present application.

Claims

1. A double-station detection device, characterized in that Comprising: A double-sided mirror (1), including two first reflecting surfaces (11) symmetrically arranged with respect to a first symmetry plane (100); A detection camera (2), arranged on one side of the double-sided mirror (1), the lens of the detection camera (2) facing the double-sided mirror (1), and the center line of the detection camera (2) being located in the first symmetry plane (100); A triangular mirror group (3), including a mounting plate (31) parallel to the first symmetry plane (100) and at least two triangular reflectors (32) arranged in a circumferential array on the side of the mounting plate (31) close to the double-sided mirror (1); a detection hole (301) for the workpiece to penetrate is provided on the mounting plate (31), and all the triangular reflectors (32) are arranged in a circumferential array around the center line of the detection hole (301); There are two sets of the triangular mirror groups (3), the two sets of triangular mirror groups (3) being symmetrically arranged with respect to the first symmetry plane (100), and the triangular reflectors (32) being used to reflect the peripheral image of the workpiece penetrating into the detection hole (301) onto the adjacent first reflecting surface (11), and the first reflecting surface (11) being used to reflect the peripheral image and the end face image of the workpiece close to the double-sided mirror (1) to the detection camera (2).

2. The double-station detection device according to claim 1, wherein Four of the triangular reflectors (32) are provided in the triangular mirror group (3); The mirror surface of the triangular reflector (32) is inclined with respect to the center line of the detection hole (301), and the mirror surface of the triangular reflector (32) faces the center line of the detection hole (301).

3. The double-station detection device according to claim 1, wherein The included angle between the two first reflecting surfaces (11) is a, and 45° ≤ a ≤ 135°.

4. The double-station detection device according to claim 1, characterized in that The first symmetry plane (100) is parallel to the horizontal plane.

5. The double-station detection device according to claim 1, characterized in that, It further includes an annular light source (4); The annular light source (4) is arranged around the center line of the detection camera (2) to emit light to the two first reflecting surfaces (11).

6. The double-station detection device according to claim 5, characterized in that, It further includes a coaxial light source (5); The coaxial light source (5) is installed between the annular light source (4) and the detection camera (2), and includes a lamp board (51), a diffusion board (52) and a beam splitter (53). The light emitted by the lamp board (51) is diffused by the diffusion board (52) and then emitted to the beam splitter (53), and the beam splitter (53) emits the light to the double-sided mirror (1).

7. The dual-station detection device according to claim 1, characterized in that, A card slot (302) for installing the triangular reflector (32) is provided on the mounting plate (31), and the triangular reflector (32) can slide along the card slot (302) to adjust its position; the center line of the card slot (302) passes through the center line of the detection hole (301); A clamping device (6) for clamping the triangular reflector (32) in the card slot (302) is further installed on the mounting plate (31).

8. The double-station detection device according to claim 7, wherein Threaded holes penetrating through the side wall of the card slot (302) are provided on the mounting plate (31); The clamping device (6) includes a threaded member (61) threadedly connected to the threaded hole and an elastic pressing portion (62) provided at an end of the threaded member (61) for elastically pressing the triangular reflector (32).

9. The dual-station detection device according to claim 8, wherein, The center of the threaded hole is inclined with respect to the groove side wall of the card slot (302).

10. The double-station detection device according to claim 8, wherein, An embedding groove (601) is provided at an end of the threaded member (61), one end of the elastic pressing portion (62) is embedded in the embedding groove (601), and the other end is exposed from the embedding groove (601).

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