Multi-lens free switching mechanism

Abstract

The utility model relates to a multi-lens free switching mechanism. The multi-lens free switching mechanism comprises a base; the camera fixing seat is movably installed on the base through a first moving mechanism, and the first moving mechanism drives the camera fixing seat to move in the length direction of the base; the camera is mounted on the camera fixing seat and moves along with the camera fixing seat; the adapter plate is movably installed on the base through a second moving mechanism, and the second moving mechanism drives the adapter plate to move in the length direction of the base; the lens fixing seat is movably mounted on the adapter plate through a third moving mechanism, and the third moving mechanism drives the lens fixing seat to move along the width direction of the base; and at least two lenses are arranged on the lens fixing seat along the width direction of the base. According to the utility model, rapid switching and definition adjustment of the lens can be realized during detection, the detection efficiency is improved, and the whole structure is simple and compact and convenient to maintain.

Description

Technical Field

[0001] The present application relates to the technical field of visual inspection equipment, and in particular to a multi-lens free switching mechanism. Background Art

[0002] In the industrial production process, visual inspection equipment is needed to detect the appearance and defects of products. For example, in the field of circuit board inspection, cameras are needed to detect the appearance, defects, and installation accuracy of components of circuit boards. When inspecting different circuit boards or components on circuit boards, it is sometimes necessary to replace different lenses to achieve better inspection results.

[0003] In the prior art, when inspecting a circuit board, a camera is usually equipped with only one lens. When another lens is needed, the old lens needs to be uninstalled and a new lens needs to be installed. This is not only cumbersome to operate, but also requires pausing the inspection for replacement, which seriously affects the inspection efficiency. Utility Model Content

[0004] Based on this, it is necessary to provide a multi-lens free switching mechanism, and its specific technical solution is as follows.

[0005] Furthermore, a multi-lens free switching mechanism includes:

[0006] Base;

[0007] A camera fixing seat is movably mounted on the base through a first moving mechanism, and the camera fixing seat is driven by the first moving mechanism to move along the length direction of the base;

[0008] The camera is mounted on the camera mounting base and moves with the camera mounting base;

[0009] The adapter plate is movably mounted on the base through a second moving mechanism, and the second moving mechanism drives the adapter plate to move along the length direction of the base;

[0010] The lens fixing seat is movably mounted on the adapter plate through a third moving mechanism, and the lens fixing seat is driven by the third moving mechanism to move along the width direction of the base;

[0011] The lens, at least two lenses are arranged along the width direction of the base and installed on the lens fixing seat.

[0012] Furthermore, it also includes a protective cover, which surrounds the lens fixing seat.

[0013] Furthermore, one end of the protective cover is connected to an upper fixing plate, and the other end is connected to a lower fixing plate; the upper fixing plate is connected to a camera fixing seat, and the lower fixing plate is connected to an adapter plate; the lens fixing seat is located between the upper fixing plate and the lower fixing plate; the protective cover is a flexible structure that expands and contracts with the relative movement of the upper fixing plate and the lower fixing plate.

[0014] Furthermore, the protective cover is an accordion cover.

[0015] Furthermore, it also includes a hood; the hood is connected to a side of the lower fixing plate away from the lens fixing seat, and the lower fixing plate is provided with a long groove extending along the width direction of the base; the lens extends into the hood through the long groove, and the hood is provided with a through hole for exposing a lens.

[0016] Furthermore, it also includes a measuring device, which is installed on the adapter plate and is used to measure the position of the lens fixing seat in the width direction of the base.

[0017] Furthermore, the measuring device includes a reading head, which is mounted on an adapter plate; a grating ruler for reading by the reading head is mounted on the lens fixing seat.

[0018] Furthermore, an anti-collision plate is installed on the adapter plate, and the anti-collision plate extends toward the direction where the camera fixing seat is located and is exposed outside the adapter plate.

[0019] Furthermore, the first moving mechanism, the second moving mechanism and the third moving mechanism are all linear moving modules.

[0020] Furthermore, the camera fixing seat and the lens fixing seat are respectively cantilevered on the same side of the base.

[0021] Beneficial effects: The multi-lens free switching mechanism provided by the utility model adjusts the position of the camera through the first moving mechanism, adjusts the relative position of the lens and the camera through the second moving mechanism, thereby adjusting the clarity, and switches different lenses through the third moving mechanism. It can realize rapid switching of lenses and clarity adjustment during detection, improve detection efficiency, and the overall structure is simple, compact, and easy to maintain. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0023] Figure 1 It is a schematic diagram of the overall structure of the multi-lens free switching mechanism;

[0024] Figure 2 This is a partial exploded diagram of the multi-lens free switching mechanism.

[0025] Explanation of the reference numerals: 1. base; 2. camera fixing seat; 3. camera; 4. adapter plate; 5. lens fixing seat; 6. first lens; 7. second lens; 8. first moving mechanism; 9. second moving mechanism; 10. third moving mechanism; 11. protective cover; 12. upper fixing plate; 13. lower fixing plate; 14. light shielding cover; 15. long groove; 16. through hole; 17. reading head; 18. grating ruler; 19. anti-collision plate. DETAILED DESCRIPTION

[0026] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the specific implementation methods of the present application are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the present application. However, the present application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the present application, so the present application is not limited by the specific embodiments disclosed below.

[0027] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0028] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of this application, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0029] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0030] In the present application, unless otherwise clearly specified and limited, a first feature being “above” or “below” a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being “above”, “above”, and “above” a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being “below”, “below”, and “below” a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0031] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used herein are for illustrative purposes only and are not intended to be the only implementation method.

[0032] Example

[0033] Reference Figure 1 As shown, this embodiment provides a multi-lens free switching mechanism, including a base 1, a camera fixing seat 2, a camera 3, an adapter plate 4, a lens fixing seat 5 and two lenses.

[0034] Specifically, the base 1 is a straight-line structure. During the detection process, the base 1 is installed on the corresponding detection equipment. The camera holder 2 is movably installed on the base 1 through the first moving mechanism 8, and the first moving mechanism 8 drives the camera holder 2 to move along the length direction of the base 1. In this embodiment, the length direction of the base 1 is the vertical direction. The camera 3 is installed on the camera holder 2 and moves with the camera holder 2. Before the detection, the first moving mechanism 8 drives the camera holder 2 to move, so as to adjust the camera 3 to a suitable height.

[0035] Specifically, the adapter plate 4 is movably mounted on the base 1 through the second moving mechanism 9, and the adapter plate 4 is driven by the second moving mechanism 9 to move along the length direction of the base 1. The lens holder 5 is movably mounted on the adapter plate 4 through the third moving mechanism 10, and the lens holder 5 is driven by the third moving mechanism 10 to move along the width direction of the base 1, and the width direction of the base 1 is the horizontal direction. Two lenses are arranged along the width direction of the base 1 and installed on the lens holder 5. The adapter plate 4 is driven by the second moving mechanism 9 to move and adjust the distance between the lens and the camera 3 to adjust the clarity. The position of the lens holder 5 is adjusted by the third moving mechanism 10, so that different lenses can be switched to achieve lens switching. In this embodiment, only two lenses are included, namely the first lens 6 and the second lens 7. The switching of the first lens 6 and the second lens 7 is achieved by adjusting the position of the lens holder 5. In other embodiments, multiple lenses arranged along the width direction of the base 1 can also be set to achieve three or more lens switching.

[0036] The embodiment provides a multi-lens free switching mechanism, which adjusts the position of the camera 3 through the first moving mechanism 8, adjusts the relative position of the lens and the camera 3 through the second moving mechanism 9, thereby adjusting the clarity, and switches different lenses through the third moving mechanism 10. It can realize rapid lens switching and clarity adjustment during detection, improve detection efficiency, and the overall structure is simple, compact, and easy to maintain.

[0037] Specifically, in this embodiment, a protective cover 11 is also provided, and the protective cover 11 surrounds the lens fixing seat 5, and the protective cover 11 shields the lens from light and dust. The protective cover 11 is connected to an upper fixing plate 12 at one end, and to a lower fixing plate 13 at the other end; the upper fixing plate 12 is connected to the camera fixing seat 2, and the lower fixing plate 13 is connected to the adapter plate 4; the lens fixing seat 5 is located between the upper fixing plate 12 and the lower fixing plate 13. It should be noted that in order to clearly show the structure of the lens fixing seat 5 inside the protective cover 11, Figure 1 The connection between the protective cover 11 and the upper fixing plate 12 is released in the embodiment, but in actual use, the protective cover 11 is connected to the upper fixing plate 12, and the side protection is performed by the protective cover 11, and the end surface protection is performed by the upper fixing plate 12 and the lower fixing plate 13. The protective cover 11 is a flexible structure that expands and contracts with the relative movement of the upper fixing plate 12 and the lower fixing plate 13. When the position of the camera fixing seat 2 or the lens fixing seat 5 is adjusted by the first moving structure or the second moving mechanism 9, the protective cover 11 is expanded and contracted accordingly, thereby achieving a better protection effect.

[0038] In this embodiment, the protective cover 11 may be an accordion cover. In other embodiments, the protective cover 11 may also be other structures with telescopic properties.

[0039] Specifically, refer to Figure 2 As shown, a light shield 14 is connected to the side of the lower fixing plate 13 away from the lens, and a long slot 15 extending along the width direction of the base 1 is provided on the lower fixing plate 13; the lens extends into the light shield 14 through the long slot 15, and the light shield 14 is provided with a through hole 16 for protecting one lens. The size of the through hole 16 is set to match the size required for shooting with a single lens, and when the horizontal position of the lens fixing seat 5 is adjusted by the third moving mechanism 10, one of the lenses is aligned with the through hole 16, thereby realizing the switching of the lens.

[0040] Specifically, a measuring device is also provided, which includes a reading head 17, which is mounted on the adapter plate 4, and a grating ruler 18 is also provided on the lens fixing seat 5. The reading head 17 reads the data of the grating ruler 18, so as to determine the position of the lens fixing seat 5 in the width direction of the base 1. When the multi-lens free switching mechanism is used for the first time, when the first lens 6 is switched to align with the through hole 16, so that the first lens 6 is in a normal working position, the reading head 17 reads and records the position of the lens fixing seat 5; when the second lens 7 is switched to align with the through hole 16, so that the second lens 7 is in a working position, the reading head 17 reads and records the position of the lens fixing seat 5. In the subsequent detection process, when it is necessary to switch the first lens 6 or the second lens 7, the lens fixing seat 5 can be moved to the corresponding position according to the data measured by the reading head 17, and no correction is required during each switching process, so that the lens can be accurately and quickly switched during the detection process, thereby improving the detection efficiency.

[0041] Specifically, an anti-collision plate 19 is installed on the adapter plate 4, and the anti-collision plate 19 extends toward the direction where the camera mount 2 is located and is exposed outside the adapter plate 4. The anti-collision plate 19 limits the relative movement distance between the adapter plate 4 and the camera mount 2, thereby preventing the camera mount 2 from colliding with the lens mount 5.

[0042] Specifically, in this embodiment, the first moving mechanism 8, the second moving mechanism 9, and the third moving mechanism 10 are all linear moving modules. In other embodiments, moving mechanisms of other structural forms may also be selected.

[0043] Specifically, the camera fixing seat 2 and the lens fixing seat 5 are respectively cantilevered on the same side of the base 1 .

[0044] Usage process:

[0045] According to the detection environment and requirements, the height of the camera holder 2 is adjusted by the first moving mechanism 8 to make the camera 3 reach a suitable height, and then the horizontal position of the lens holder 5 is adjusted by the third moving mechanism 10 to switch to the required lens, the first lens 6 or the second lens 7, and the current position is recorded by the reading head 17; finally, the height of the adapter plate 4 is adjusted by the second moving mechanism 9 to adjust the clarity. When the lens needs to be switched later, the lens holder 5 can be moved according to the position data recorded by the reading head 17.

[0046] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0047] The above-described embodiments only express several implementation methods of the present application, and the descriptions thereof are relatively specific and detailed, but they cannot be construed as limiting the scope of the patent application. It should be pointed out that, for a person of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the patent application shall be subject to the attached claims.

Claims

1. A multi-lens free switching mechanism, characterized in that: include: Base; A camera fixing seat is movably mounted on the base through a first moving mechanism, and the camera fixing seat is driven by the first moving mechanism to move along the length direction of the base; The camera is mounted on the camera mounting base and moves with the camera mounting base; The adapter plate is movably mounted on the base through a second moving mechanism, and the second moving mechanism drives the adapter plate to move along the length direction of the base; The lens fixing seat is movably mounted on the adapter plate through a third moving mechanism, and the lens fixing seat is driven by the third moving mechanism to move along the width direction of the base; The lens, at least two lenses are arranged along the width direction of the base and installed on the lens fixing seat.

2. A multi-lens free switching mechanism according to claim 1, characterized in that: Also included is a protective cover which surrounds the lens mounting base.

3. A multi-lens free switching mechanism according to claim 2, characterized in that: One end of the protective cover is connected to an upper fixing plate, and the other end is connected to a lower fixing plate; the upper fixing plate is connected to a camera fixing seat, and the lower fixing plate is connected to an adapter plate; the lens fixing seat is located between the upper fixing plate and the lower fixing plate; the protective cover is a flexible structure that expands and contracts with the relative movement of the upper fixing plate and the lower fixing plate.

4. A multi-lens free switching mechanism according to claim 3, characterized in that: The protective cover is an accordion cover.

5. A multi-lens free switching mechanism according to claim 3, characterized in that: It also includes a light shield; the light shield is connected to a side of the lower fixing plate away from the lens fixing seat, and the lower fixing plate is provided with a long groove extending along the width direction of the base; the lens extends into the light shield through the long groove, and the light shield is provided with a through hole for exposing a lens.

6. A multi-lens free switching mechanism according to claim 1, characterized in that: It also includes a measuring device, which is installed on the adapter plate and is used to measure the position of the lens fixing seat in the width direction of the base.

7. A multi-lens free switching mechanism according to claim 6, characterized in that: The measuring device comprises a reading head, which is mounted on an adapter plate; a grating ruler for reading by the reading head is mounted on the lens fixing seat.

8. The multi-lens free switching mechanism according to claim 1, characterized in that: An anti-collision plate is installed on the adapter plate, and the anti-collision plate extends toward the direction where the camera fixing seat is located and is exposed outside the adapter plate.

9. The multi-lens free switching mechanism according to claim 1, characterized in that: The first moving mechanism, the second moving mechanism and the third moving mechanism are all linear moving modules.

10. The multi-lens free switching mechanism according to claim 1, characterized in that: The camera fixing seat and the lens fixing seat are respectively cantilevered on the same side of the base.

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