Lens fixing tool and lens detection equipment
By designing adjustable lens fixing tooling, the problem of poor applicability of lens fixing tooling in the prior art is solved, and the stable fixation and flexible detection of lenses of different types and sizes is achieved, thereby improving the applicability and stability of the detection equipment.
Patent Information
- Application Number
- CN202420847759.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-23
- Publication Date
- 2024-12-10
- Estimated Expiration
- 2034-04-23
AI Technical Summary
The existing lens fixing tooling cannot be used for many types of industrial lenses, resulting in poor applicability and the inability to effectively detect various indicators of industrial lenses, such as distortion, MTF, SFR and relative illumination.
A lens fixing tool including a fixing mechanism and a moving mechanism is designed. The fixing mechanism is composed of first and second fixing frame bodies, the first fixing frame body is arranged vertically in the detection direction, and the second fixing frame body is connected to these holes. , an adjustable detection space is formed, and the moving mechanism drives the first fixed frame to move to adjust the position and size of the detection space, suitable for lenses of different types and sizes.
It improves the applicability and stability of the lens fixing tooling, reduces the possibility of lens damage, is suitable for lenses of different sizes, and enhances the adjustability of the detection space through flexible driving methods.
Smart Images
Figure CN222144486U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of lens detection equipment, and more specifically, to a lens fixing tool and a lens detection equipment. Background Art
[0002] As high-precision assembly machines are increasingly using machine vision, industrial lenses are pursuing increasingly stringent quality, and the requirements for product performance are getting higher and higher, so the requirements for process are also getting higher and higher. In the production process of industrial lenses, if you want to know the various indicators of industrial lenses, such as distortion, MTF (Modulation Transfer Function), SFR (Spatial Frequency Response), relative illumination, etc., then you need to use lens testing equipment to test the industrial lenses; however, the lens fixing tooling used by existing lens testing equipment to fix the lens cannot be applied to a variety of lenses, resulting in poor applicability of the lens fixing tooling. Utility Model Content
[0003] The utility model aims to provide a lens fixing tool and a lens detection device to solve the technical problem of poor applicability of the lens fixing tool in the prior art.
[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is:
[0005] In a first aspect, a lens fixing tool is provided, comprising:
[0006] A fixing mechanism and a moving mechanism connected to the fixing mechanism; wherein the fixing mechanism comprises a first fixing frame and a second fixing frame, the first fixing frame is provided with a plurality of adjustment holes arranged in sequence along a direction perpendicular to the detection direction, a detection space for fixing the lens is formed between the second fixing frame and the first fixing frame, the second fixing frame is selectively connected to the adjustment holes so that the size of the detection space is adjustable; the moving mechanism is connected to the first fixing frame and is used to drive the first fixing frame to move so that the position of the detection space is adjustable.
[0007] By adopting the above technical solution, the applicability of the lens fixing tooling is improved.
[0008] In one embodiment, the first fixing frame is provided with a plurality of groups of the adjustment holes, and each group of the adjustment holes includes a plurality of the adjustment holes sequentially arranged along the detection direction.
[0009] By adopting the above technical solution, the stability of the second fixing frame is improved.
[0010] In one embodiment, the first fixed frame includes a first fixed plate, a second fixed plate connected to the first fixed plate, and a reinforcing rib connecting the first fixed plate and the second fixed plate, the first fixed plate is connected to the moving mechanism, the second fixed plate is vertically arranged on the first fixed plate, the second fixed plate is provided with the adjustment hole, and the reinforcing rib is located between the first fixed plate and the second fixed plate.
[0011] By adopting the above technical solution, the first fixing frame has a simple structure and high firmness.
[0012] In one embodiment, the second fixing frame is vertically disposed on the second fixing plate and extends in a direction away from the first fixing plate.
[0013] By adopting the above technical solution, the possibility of lens damage is reduced.
[0014] In one embodiment, the second fixing frame includes two third fixing plates that are spaced apart from each other. The two third fixing plates are vertically arranged on the second fixing plate, and the detection space is formed between the third fixing plates and the second fixing plate.
[0015] By adopting the above technical solution, the stability of the lens when it is fixed is improved, and the structure is also suitable for lenses with larger sizes.
[0016] In one embodiment, the second fixing frame includes a third fixing plate and a fourth fixing plate disposed on the third fixing plate, the third fixing plate is vertically disposed on the second fixing plate, and the fourth fixing plate is stacked on the third fixing plate.
[0017] By adopting the above technical solution, the lens fixing tooling can be suitable for lenses with smaller sizes.
[0018] In one embodiment, the moving mechanism includes a first moving plate, a second moving plate and a first driving member; the first moving plate is provided with a first guide rail, the length direction of the first guide rail is perpendicular to the detection direction, the second moving plate is slidably arranged on the first guide rail, the first driving member connects the first moving plate and the second moving plate and is used to drive the second moving plate to move along the length direction of the first guide rail, and the fixing mechanism is arranged on the second moving plate.
[0019] By adopting the above technical solution, the moving mechanism can drive the fixing mechanism to move in a second direction perpendicular to the detection direction, thereby improving the adjustability of the detection space of the fixing mechanism.
[0020] In one embodiment, the moving mechanism also includes a third moving plate, a fourth moving plate and a second driving member; the third moving plate is provided with a second guide rail, the length direction of the second guide rail is perpendicular to the detection direction and the length direction of the first guide rail, the fourth moving plate is slidably arranged on the second guide rail, the second driving member connects the third moving plate and the fourth moving plate and is used to drive the fourth moving plate to move along the length direction of the second guide rail, and the fixing mechanism is arranged on the fourth moving plate.
[0021] By adopting the above technical solution, the moving mechanism can drive the fixing mechanism to move in a second direction perpendicular to the detection direction, thereby improving the adjustability of the detection space of the fixing mechanism.
[0022] In one embodiment, the first driving member and the second driving member are manual driving members or electric driving members.
[0023] By adopting the above technical solution, there are multiple ways for the mobile mechanism to drive the fixed mechanism to move, and the driving method is flexible.
[0024] In a second aspect, a lens inspection device is provided, comprising a workbench, an inspection plate fixing tool and the above-mentioned lens fixing tool, wherein the lens fixing tool is arranged on the workbench, and the inspection plate fixing tool is arranged above the lens fixing tool.
[0025] By adopting the above technical solution, on the basis of having the advantages of the lens fixing tooling of the above embodiment, the lens detection device of this embodiment also has the advantage of strong applicability. BRIEF DESCRIPTION OF THE DRAWINGS
[0026] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.
[0027] Figure 1 It is a three-dimensional structural diagram of a lens detection device provided by an embodiment of the utility model.
[0028] Figure 2 It is a three-dimensional structural diagram of a lens fixing tool provided in an embodiment of the utility model.
[0029] Figure 3 It is an exploded view of the lens fixing tool provided in the embodiment of the utility model.
[0030] Figure 4 It is a three-dimensional structural diagram of a modified embodiment of a lens fixing tool provided in an embodiment of the utility model.
[0031] The reference numerals in the figures are:
[0032] 100, lens fixing tool; 200, lens; 300, workbench; 400, inspection board fixing tool;
[0033] 1. Fixed mechanism; 2. Moving mechanism; X, detection direction;
[0034] 11. first fixed frame; 12. second fixed frame; 21. first movable plate; 22. second movable plate; 23. first driving member; 24. first guide rail; 25. third movable plate; 26. fourth movable plate; 27. second driving member; 28. second guide rail;
[0035] 121, adjustment hole; 111, first fixing plate; 112, second fixing plate; 113, reinforcing rib; 122, third fixing plate; 123, fourth fixing plate. DETAILED DESCRIPTION
[0036] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.
[0037] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly located on the other element or indirectly located on the other element. When an element is referred to as being "connected to" another element, it may be directly connected to the other element or indirectly connected to the other element.
[0038] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings and are only for the convenience of describing the present invention, and do not indicate that a device or element must have a specific direction, be constructed and operated in a specific direction. Therefore, it should not be understood as a limitation on the present invention.
[0039] In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating relative importance or indicating the number of technical features. In the description of the present utility model, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined. The following is a more detailed description of the specific implementation of the present utility model in conjunction with specific embodiments:
[0040] like Figure 1 and Figure 2As shown, a lens fixing fixture 100 provided in an embodiment of the utility model is applied in a lens detection device, the lens fixing fixture 100 is used to fix a lens 200, in this embodiment, the lens 200 includes but is not limited to a camera lens 200 and an industrial lens 200; the lens detection device comprises a workbench 300, a lens fixing fixture 100 and a detection board fixing fixture 400, the lens fixing fixture 100 is arranged on the workbench 300, the lens fixing fixture 100 is used to fix the lens 200, the detection board fixing fixture 400 is used to fix the detection board, the lens 200 is used to obtain an image of the detection board, and various indicators of the lens 200 are obtained by detecting the image; the lens fixing fixture 100 of this embodiment is highly applicable and can be applicable to various types of lenses 200; the following is an explanation through a specific implementation method:
[0041] Please also read Figure 3 The lens fixing tool 100 of this embodiment includes:
[0042] A fixing mechanism 1 and a moving mechanism 2 connected to the fixing mechanism 1; wherein the fixing mechanism 1 includes a first fixing frame 11 and a second fixing frame 12, the first fixing frame 11 is provided with a plurality of adjustment holes 121 sequentially arranged along a direction perpendicular to the detection direction X, a detection space for fixing the lens 200 is formed between the second fixing frame 12 and the first fixing frame 11, and the second fixing frame 12 is selectively connected to one of the adjustment holes 121, so that the size of the detection space is adjustable; the moving mechanism 2 is connected to the first fixing frame 11 and is used to drive the first fixing frame 11 to move, so that the position of the detection space is adjustable.
[0043] Here, it can be understood that the fixing mechanism 1 refers to a component for fixing the lens 200; the fixing mechanism 1 includes a first fixing frame 11 and a second fixing frame 12, and a detection space is formed between the first fixing frame 11 and the second fixing frame 12, and the shape and size of the detection space match the shape and size of the lens 200 to be tested, so that the lens 200 can be just fixed in the detection space; the first fixing frame 11 is provided with a plurality of adjustment holes 121, and the adjustment holes 121 are used to connect with the second fixing frame 12, and here, the adjustment holes 121 and the second fixing frame 12 are generally connected by fasteners, such as fastening bolts; the plurality of adjustment holes 121 are arranged in sequence along a direction perpendicular to the detection direction X, and the detection direction X here refers to the connection line between the lens fixing fixture 100 and the test board fixing fixture, that is, the lens 200 can obtain the image of the test board along the detection direction X; when the second fixing frame 12 is connected to the adjustment holes 121 at different positions, the size of the detection space between the second fixing frame 12 and the first fixing frame 11 is adjustable, so as to be suitable for different lenses 200;
[0044] In addition, the moving mechanism 2 refers to a component for driving the lens 200 to move; the moving mechanism 2 is connected to the first fixed frame 11, and the moving mechanism 2 is used to drive the first fixed frame 11 to move, and then drive the second fixed frame 12 to move, so that the position of the detection space is adjustable. In this way, the position of the detection space is adjustable, which is suitable for the detection of different lenses 200.
[0045] By adopting the above technical solution, the applicability of the lens fixing tool 100 is improved.
[0046] In one embodiment, the first fixing frame 11 is provided with a plurality of groups of adjustment holes 121 , and each group of adjustment holes 121 includes a plurality of adjustment holes 121 sequentially arranged along the detection direction X.
[0047] Here, it can be understood that the adjustment holes 121 are connected to the second fixed frame 12 through fasteners, and each group of adjustment holes 121 includes multiple adjustment holes 121, which is beneficial to improving the stability of the second fixed frame 12 when it is fixed. In addition, the multiple adjustment holes 121 are arranged along the detection direction X. In this way, when the second fixed frame 12 is fixed to the first fixed frame 11, the arrangement direction of the second fixed frame 12 is parallel to the detection direction X, which is beneficial to the fixation of the lens 200.
[0048] By adopting the above technical solution, the stability of the second fixing frame 12 when being fixed is improved.
[0049] In one embodiment, the first fixed frame 11 includes a first fixed plate 111, a second fixed plate 112 connected to the first fixed plate 111, and a reinforcing rib 113 connecting the first fixed plate 111 and the second fixed plate 112. The first fixed plate 111 is connected to the moving mechanism 2, the second fixed plate 112 is vertically arranged on the first fixed plate 111, the second fixed plate 112 is provided with an adjustment hole 121, and the reinforcing rib 113 is located between the first fixed plate 111 and the second fixed plate 112.
[0050] Here, it can be understood that the first fixed frame 11 includes a first fixed plate 111, a second fixed plate 112 and a reinforcing rib 113, the first fixed plate 111 is used to be set on the workbench 300, the second fixed plate 112 is vertically arranged on the first fixed plate 111, and the reinforcing rib 113 is used to connect the first fixed plate 111 and the second fixed plate 112.
[0051] By adopting the above technical solution, the first fixing frame 11 has a simple structure and high firmness.
[0052] In one embodiment, the second fixing frame 12 is vertically disposed on the second fixing plate 112 and extends in a direction away from the first fixing plate 111 .
[0053] Here, it can be understood that the moving mechanism 2 is connected to the first fixed plate 111, so that the second fixed frame 12 is extended in a direction away from the first fixed plate 111, so that the second fixed frame 12 and the moving mechanism 2 are away from each other, avoiding the moving mechanism 2 from interfering with the lens 200 on the second fixed frame 12.
[0054] By adopting the above technical solution, the possibility of damage to the lens 200 is reduced.
[0055] In one embodiment, the second fixing frame 12 includes two third fixing plates 122 spaced apart from each other. The two third fixing plates 122 are vertically disposed on the second fixing plate 112 , and a detection space is formed between the third fixing plates 122 and the second fixing plate 112 .
[0056] Here, it can be understood that the two spaced apart third fixing plates 122 fix the lens 200 in the detection space by clamping.
[0057] By adopting the above technical solution, the stability of the lens 200 when being fixed is improved, and the structure is also suitable for a lens 200 of a larger size.
[0058] like Figure 4 As shown, in one embodiment, the second fixing frame 12 includes a third fixing plate 122 and a fourth fixing plate 123 disposed on the third fixing plate 122 , the third fixing plate 122 is vertically disposed on the second fixing plate 112 , and the fourth fixing plate 123 is stacked on the third fixing plate 122 .
[0059] Here, it can be understood that the third fixing plate 122 and the fourth fixing plate 123 are stacked and fixed together with the lens 200 , thereby reducing the size of the detection space and being suitable for a lens 200 of a smaller size.
[0060] By adopting the above technical solution, the lens fixing tool 100 can be suitable for lenses 200 of smaller sizes.
[0061] Please refer again Figure 2 and Figure 3 In one embodiment, the moving mechanism 2 includes a first moving plate 21, a second moving plate 22 and a first driving member 23; the first moving plate 21 is provided with a first guide rail 24, the length direction of the first guide rail 24 is perpendicular to the detection direction X, the second moving plate 22 is slidably arranged on the first guide rail 24, the first driving member 23 connects the first moving plate 21 and the second moving plate 22 and is used to drive the second moving plate 22 to move along the length direction of the first guide rail 24, and the fixing mechanism 1 is arranged on the second moving plate 22.
[0062] Here, it can be understood that the moving mechanism 2 can drive the fixing mechanism 1 to move along a first direction perpendicular to the detection direction X; specifically, the first driving member 23 generally refers to a motor or a manual screw.
[0063] By adopting the above technical solution, the moving mechanism 2 can drive the fixing mechanism 1 to move in a first direction perpendicular to the detection direction X, thereby improving the adjustability of the detection space of the fixing mechanism 1.
[0064] In one embodiment, the moving mechanism 2 also includes a third moving plate 25, a fourth moving plate 26 and a second driving member 27; the third moving plate 25 is provided with a second guide rail 28, the length direction of the second guide rail 28 is perpendicular to the detection direction X and the length direction of the first guide rail 24, the fourth moving plate 26 is slidably arranged on the second guide rail 28, the second driving member 27 connects the third moving plate 25 and the fourth moving plate 26 and is used to drive the fourth moving plate 26 to move along the length direction of the second guide rail 28, and the fixing mechanism 1 is arranged on the fourth moving plate 26.
[0065] Here, it can be understood that the moving mechanism 2 can drive the fixing mechanism 1 to move along the second direction perpendicular to the detection direction X and the first direction; specifically, the second driving member 27 generally refers to a motor or a manual screw.
[0066] By adopting the above technical solution, the moving mechanism 2 can drive the fixing mechanism 1 to move in the second direction perpendicular to the detection direction X, thereby improving the adjustability of the detection space of the fixing mechanism 1.
[0067] In one embodiment, the first driving member 23 and the second driving member 27 are manual driving members or electric driving members.
[0068] Here, it can be understood that the manual drive component generally refers to a manual screw, and the electric drive component generally refers to a motor.
[0069] By adopting the above technical solution, there are multiple ways for the mobile mechanism 2 to drive the fixed mechanism 1 to move, and the driving method is flexible.
[0070] In a second aspect, a lens inspection device is provided, including a workbench 300 , an inspection plate fixing tool 400 and the above-mentioned lens fixing tool 100 , wherein the lens fixing tool 100 is arranged on the workbench 300 , and the inspection plate fixing tool 400 is arranged above the lens fixing tool 100 .
[0071] By adopting the above technical solution, on the basis of having the advantages of the lens fixing fixture 100 of the above embodiment, the lens detection device of this embodiment also has the advantage of strong applicability.
[0072] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A lens fixing tool, characterized in that: include: A fixing mechanism and a moving mechanism connected to the fixing mechanism; wherein the fixing mechanism includes a first fixing frame and a second fixing frame, the first fixing frame is provided with a plurality of adjustment holes arranged in sequence along a direction perpendicular to the detection direction, a detection space for fixing the lens is formed between the second fixing frame and the first fixing frame, and one of the second fixing frames is selectively connected to the adjustment holes so that the size of the detection space is adjustable; the moving mechanism is connected to the first fixing frame and is used to drive the first fixing frame to move so that the position of the detection space is adjustable.
2. The lens fixing tool according to claim 1, characterized in that: The first fixing frame is provided with a plurality of groups of the adjustment holes, and each group of the adjustment holes includes a plurality of the adjustment holes sequentially arranged along the detection direction.
3. The lens fixing tool according to claim 1, characterized in that: The first fixed frame includes a first fixed plate, a second fixed plate connected to the first fixed plate, and a reinforcing rib connecting the first fixed plate and the second fixed plate, the first fixed plate is connected to the moving mechanism, the second fixed plate is perpendicularly arranged on the first fixed plate, the second fixed plate is provided with the adjustment hole, and the reinforcing rib is located between the first fixed plate and the second fixed plate.
4. The lens fixing tool as claimed in claim 3, characterized in that: The second fixing frame is vertically disposed on the second fixing plate and extends in a direction away from the first fixing plate.
5. The lens fixing tool as claimed in claim 4, characterized in that: The second fixing frame includes two third fixing plates arranged at intervals. The two third fixing plates are vertically arranged on the second fixing plate. The detection space is formed between the third fixing plates and the second fixing plate.
6. The lens fixing tool as claimed in claim 4, characterized in that: The second fixing frame includes a third fixing plate and a fourth fixing plate arranged on the third fixing plate. The third fixing plate is vertically arranged on the second fixing plate, and the fourth fixing plate is stacked on the third fixing plate.
7. The lens fixing tool according to any one of claims 1 to 6, characterized in that: The moving mechanism includes a first moving plate, a second moving plate and a first driving member; the first moving plate is provided with a first guide rail, the length direction of the first guide rail is perpendicular to the detection direction, the second moving plate is slidably arranged on the first guide rail, the first driving member connects the first moving plate and the second moving plate and is used to drive the second moving plate to move along the length direction of the first guide rail, and the fixing mechanism is arranged on the second moving plate.
8. The lens fixing tool according to claim 7, wherein: The moving mechanism also includes a third moving plate, a fourth moving plate and a second driving member; the third moving plate is provided with a second guide rail, the length direction of the second guide rail is perpendicular to the detection direction and the length direction of the first guide rail, the fourth moving plate is slidably arranged on the second guide rail, the second driving member connects the third moving plate and the fourth moving plate and is used to drive the fourth moving plate to move along the length direction of the second guide rail, and the fixing mechanism is arranged on the fourth moving plate.
9. The lens fixing tool as claimed in claim 8, characterized in that: The first driving member and the second driving member are manual driving members or electric driving members.
10. A lens detection device, characterized in that: It comprises a workbench, a detection plate fixing tool and the lens fixing tool according to any one of claims 1 to 9, wherein the lens fixing tool is arranged on the workbench, and the detection plate fixing tool is arranged above the lens fixing tool.