CN219265373U - Machine vision test workbench - Google Patents
Machine vision test workbench Download PDFInfo
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- CN219265373U CN219265373U CN202223584742.2U CN202223584742U CN219265373U CN 219265373 U CN219265373 U CN 219265373U CN 202223584742 U CN202223584742 U CN 202223584742U CN 219265373 U CN219265373 U CN 219265373U
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- 230000000007 visual effect Effects 0.000 abstract description 11
- 238000001514 detection method Methods 0.000 description 4
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The utility model relates to the technical field of machine vision testing, and discloses a machine vision testing workbench. According to the utility model, the test product placement table with the adjustable position is introduced, so that the placement of products and the adjustment of the positions of the products are facilitated, different test requirements are met, the height of the light source is adjusted according to different test requirements when the products are subjected to visual test through the liftable fixing module, and in addition, the placement angle of the test products is adjusted by arranging the angle adjusting mechanism on the test product placement table. Therefore, the visual test device is adjusted from three aspects, the visual test requirement of the product is more easily met, and the operability and practicality of the test workbench are enhanced.
Description
Technical Field
The utility model relates to the technical field of machine vision, in particular to a machine vision testing workbench.
Background
Machine vision is a branch of the rapid development of artificial intelligence. In short, machine vision is to use a machine instead of a human eye to make measurements and decisions. The machine vision system converts a shot target into an image signal through a machine vision product (namely an image shooting device) and transmits the image signal to a special image processing system to obtain form information of the shot target, and converts the form information into a digital signal according to pixel distribution, brightness, color and other information; the image system performs various operations on these signals to extract characteristics of the object, and further controls the operation of the on-site device according to the result of the discrimination.
At present, the machine vision is widely applied in industry, and is divided into two aspects of software algorithm and hardware structure, and the establishment of the hardware structure is crucial to the reliability and stability of the software algorithm for processing images. The machine vision system has a complete hardware structure (namely a machine vision workbench) for the laboratory, is indispensable for the development of vision equipment, can simulate the vision test of various outline products and various lighting conditions on a production line, and helps to quickly complete project evaluation and determine the feasibility, reliability and stability of machine vision projects. However, most of the main visual detection platforms in the current market are designed for fixed products, the application range of the detection platform is narrow, and the detection platform has a certain limitation, and cannot adjust the positions of a light source and a camera device and simulate the movement of a tested product.
Disclosure of Invention
The utility model solves the technical problem of providing a machine vision test workbench, which can adjust the positions of a light source and a camera device and simulate the movement of a test product.
The technical scheme adopted for solving the technical problems is as follows: the machine vision test workbench comprises a main cabinet, a test product placement table and a fixing module for fixing shooting equipment and a light source, wherein a mounting seat is fixedly arranged on a table top at the top end of the main cabinet, the test product placement table is connected with the mounting seat in a sliding manner, a supporting frame is fixedly arranged on the table top at the top end of the main cabinet, the fixing module is arranged above the mounting seat and is fixedly connected onto the supporting frame, and a lifting mechanism for driving the fixing module to lift is arranged on the supporting frame; the test product placing table comprises a connecting plate and a placing table which are connected with each other; the connecting plate is hinged with the placing table and forms an included angle structure, and an angle adjusting mechanism is arranged between the connecting plate and the placing table.
Further, the angle adjusting mechanism comprises a guide plate, a first screw rod and a first adjusting knob, wherein the guide plate is provided with an arc-shaped guide groove corresponding to the rotating track of the placing table, the guide plate is fixedly connected to the placing table, one end of the first screw rod penetrates through the arc-shaped guide groove of the guide plate to be connected to the connecting plate through internal threads, the other end of the first screw rod is in threaded connection with the first adjusting knob, and the first adjusting knob and the connecting plate can be used for clamping the guide plate.
When the product is placed on the placing table of the test product placing table, the placing table on the connecting plate can be rotated to adjust the placing angle of the product, so that the side shooting, oblique polishing and other conditions can be simulated and tested.
Further, the mounting seat comprises a first sliding screw guide rail which is horizontally arranged, a sliding block is fixedly arranged at the bottom of the connecting plate, and the sliding block is slidably connected onto a screw rod of the first sliding screw guide rail.
The sliding screw guide rail converts the rotary motion of the screw into the linear motion of the external connector under the action of the motor, so that the position adjustment of the test product placing table is realized, and the manual adjustment strength is reduced.
Further, a second sliding screw guide rail is vertically arranged on the support frame, a connecting seat is connected to the screw rod of the second sliding screw guide rail in a sliding manner, and the fixing module is fixedly connected to the connecting seat.
Further, guide rails are respectively arranged on two sides of the screw rod in parallel with the screw rod, guide grooves are formed in the connecting seat, and the guide grooves are clamped on the guide rail mountain and are in sliding connection with the guide rails.
The guide rail plays a guiding role in the lifting process of the fixed module, so that the lifting stability is improved, and meanwhile, the connection stability of the connecting seat is improved, and the condition of easy derailment is avoided.
Further, the fixing module comprises a supporting plate, a shooting fixing module and a light source fixing module, wherein the shooting fixing module and the light source fixing module are respectively arranged at two sides of the vertically arranged supporting plate; the shooting fixing module comprises a camera clamping piece and a first adjusting mechanism for adjusting the position of the camera clamping piece, and the light source fixing module comprises a light source clamping piece and a second adjusting mechanism for adjusting the movement of the light source clamping piece.
The position of the camera clamping piece is adjusted through the first adjusting mechanism, the position of the shooting equipment is adjusted, the position of the light source clamping piece is adjusted through the second adjusting mechanism, and then the position of the light source is adjusted.
Further, the camera clamping piece comprises two first fixing plates which are oppositely arranged, abutting plates which are oppositely arranged are arranged between the two first fixing plates, and a clamping space for fixing the camera is formed between the two abutting plates; the device further comprises a second screw rod and a second adjusting knob, wherein the second adjusting knob is fixedly arranged at one end of the second screw rod, and the other end of the second screw rod penetrates through the first fixing plate from one side, far away from the abutting plate, of the first fixing plate to be fixedly connected with the abutting plate.
Further, the first adjusting mechanism comprises a vertical sliding seat and a horizontal sliding seat, the first fixing plate is fixedly arranged on the horizontal sliding seat, the horizontal sliding seat is fixedly connected to the vertical sliding seat, and the vertical sliding seat is fixedly connected to the supporting plate.
Further, the second adjusting mechanism comprises a horizontal fixing rod and a vertical fixing rod, the vertical fixing rod is fixed on the horizontal fixing rod through a clamp piece, the light source clamping piece is fixed on the vertical fixing rod through the clamp piece, and the horizontal fixing rod is fixedly connected to the supporting plate.
Further, the backlight testing tool comprises a bottom plate and a light-transmitting plate, wherein a second fixing rod is vertically arranged on the bottom plate, and the light-transmitting plate is arranged above the bottom plate in parallel and is fixed on the second fixing rod through a clamping piece; the bottom plate is detachably connected to the test product placing table.
The beneficial effects of the utility model are as follows: according to the utility model, the test product placement table with the adjustable position is introduced, so that the placement of products and the adjustment of the positions of the products are facilitated, different test requirements are met, the height of the light source is adjusted according to different test requirements when the products are subjected to visual test through the liftable fixing module, and in addition, the placement angle of the test products is adjusted by arranging the angle adjusting mechanism on the test product placement table. Therefore, the visual test device is adjusted from three aspects, the visual test requirement of the product is more easily met, and the operability and practicality of the test workbench are enhanced.
Drawings
FIG. 1 is a schematic diagram of a machine vision test bench according to the present utility model;
FIG. 2 is a schematic view of a test product placement station;
FIG. 3 is a schematic diagram of a stationary module;
FIG. 4 is an expanded schematic view of the securing module;
FIG. 5 is a schematic diagram of a backlight test fixture;
marked in the figure as: the main cabinet 1, the test product placement table 2, the placement table 21, the connecting plate 22, the guide plate 23, the arc-shaped guide groove 24, the first adjusting knob 25, the fixing module 3, the support plate 31, the photographing fixing module 32, the first fixing plate 321, the abutting plate 322, the horizontal sliding seat 323, the vertical sliding seat 324, the second adjusting knob 325, the light source fixing module 33, the light source clamping piece 331, the horizontal fixing rod 332, the vertical fixing rod 333, the clamp piece 334, the first fixing rod 34, the mounting seat 4, the support frame 5, the screw rod 51, the guide rail 52, the connecting seat 53, the backlight testing fixture 6, the bottom plate 61, the light transmitting plate 62, the second fixing rod 63 and the clamping piece 64.
Detailed Description
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "upper", "lower", "top", "bottom", "front side", "rear side", "back side", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, or are directions or positional relationships conventionally understood by those skilled in the art, such terms are merely for convenience of description and simplification of description, and are not intended to indicate or imply that the apparatus or element to be referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance. Herein, "parallel", "perpendicular", etc. are not strictly mathematical and/or geometric limitations, but also include tolerances which may be understood and appreciated by those skilled in the art and which may be varied in making or using the same.
The utility model is further described below with reference to the drawings and the detailed description.
As shown in fig. 1, the machine vision test workbench comprises a main cabinet 1, a test product placement table 2 and a fixing module 3 for fixing shooting equipment and a light source, wherein a mounting seat 4 is fixedly arranged on a table top at the top end of the main cabinet 1, a first sliding screw guide rail is horizontally arranged in the mounting seat 4, and the test product placement table 2 is in sliding connection with a screw rod of the first sliding screw guide rail; a supporting frame 5 is fixedly arranged on the table top at the top end of the main cabinet 1, the fixed module is arranged above the mounting seat 4 and fixedly connected to the supporting frame 5, and a lifting mechanism for driving the fixed module to lift is arranged on the supporting frame 5; the test product placement table 2 includes a connection plate 22 and a placement table 21 connected to each other; the connecting plate 22 is hinged with the placing table 21 and forms an included angle structure, and an angle adjusting mechanism is arranged between the connecting plate 22 and the placing table 21. Specifically, mount pad 4 includes the first sliding screw guide rail that the level set up, and the slider has been set firmly to connecting plate 22 bottom, and slider sliding connection is on the lead screw of first sliding screw guide rail. The sliding screw guide rail converts the rotary motion of the screw rod into the linear motion of the external connector under the action of the motor, so that the driving motor on the first sliding screw guide rail drives the screw rod to rotate and drives the test product placing table 2 to slide on the screw rod, and the state of the test product in linear reciprocating motion can be simulated.
The test product placing table 2 is slidably arranged on the mounting seat 4, so that the movement state of the test product placing table 2 can be simulated, and visual tests can be carried out on different positions of the test product placing table; when the visual test is carried out on the product, the height of the light source is adjusted according to different test demands through the liftable fixing module, and in addition, the angle of the tested product can be adjusted through the angle adjusting mechanism. Therefore, the visual test device is adjusted from three aspects, the visual test requirement of the product is more easily met, and the operability and practicality of the test workbench are enhanced. In order to facilitate the fastening of the product, a soft rubber clamping plate can be arranged on the test product placing table 2 to clamp and fix the product.
Referring to fig. 2, in order to perform angle adjustment on a product placed on a test product placement table 2 to meet different inclination conditions, the angle adjustment mechanism in the present utility model includes a guide plate 23, a first screw and a first adjustment knob 25, wherein the guide plate 23 is provided with an arc guide groove 24 corresponding to a rotation track of the placement table 21, the guide plate 23 is fixedly connected to the placement table 21, one end of the first screw passes through the arc guide groove 24 of the guide plate 23 and is connected to a connecting plate 22 in an internal thread manner, and the other end of the first screw is connected to the first adjustment knob 25 in a threaded manner, and the first adjustment knob 25 and the connecting plate 22 can clamp the guide plate 23. The product is placed on the placing table 21 of the test product placing table 2, when the inclination posture of the product needs to be adjusted, the first adjusting knob 25 is loosened, the placing table 21 on the connecting plate 22 is rotated, the product placing angle can be adjusted, so that the situation simulation tests such as side shooting and inclined polishing can be conveniently conducted, and after adjustment is completed, the fastening and locking of the placing table 21 are realized by tightening the first adjusting knob 25.
Specifically, a second sliding screw guide rail is vertically arranged on the support frame 5, a connecting seat 53 is connected to a screw rod of the second sliding screw guide rail in a threaded manner, and the fixing module 3 is fixedly connected to the connecting seat 53. Further, guide rails 52 are respectively arranged on two sides of the screw rod of the second sliding screw rod guide rail in parallel, guide grooves are formed in the connecting seat 53, and the guide grooves are clamped on the guide rails 52 and are in sliding connection with the guide rails. The guide rail 52 plays a guiding role in the lifting process of the fixed module 3, so that the lifting stability is improved, and meanwhile, the connection stability of the connecting seat 53 is improved, and the condition of easy derailment is avoided.
Referring to fig. 3 and 4, the fixing module 3 in one embodiment of the present utility model includes a support plate 31, a photographing fixing module 32 and a light source fixing module 33, and the photographing fixing module 32 and the light source fixing module 33 are respectively disposed at both sides of the support plate 31 vertically disposed; the photographing fixing module 32 includes a camera holder and a first adjusting mechanism adjusting a position of the camera holder, and the light source fixing module 33 includes a light source holder 331 and a second adjusting mechanism adjusting a movement of the light source holder 331. The position of the camera clamping piece is adjusted through the first adjusting mechanism, the position of the shooting equipment is adjusted, the position of the light source clamping piece 331 is adjusted through the second adjusting mechanism, and then the position of the light source can be adjusted. In addition, the first fixing rod 34 may be further provided to fixedly connect the support plate 31 with the connection base 53, and the support plate 31 is connected to the first fixing rod 34 horizontally provided by a clip member, so that the fixing module 3 may be lifted and lowered, and the position of the fixing module in the horizontal direction may be adjusted by adjusting the position of the fixing module on the first fixing rod 34.
Specifically, the camera clamping member includes two first fixing plates 321 that are oppositely disposed, an abutting plate 322 that is oppositely disposed is disposed between the two first fixing plates 321, and a clamping space for fixing the camera is formed between the two abutting plates 322; the device further comprises a second screw rod and a second adjusting knob 325, wherein the second adjusting knob 325 is fixedly arranged at one end of the second screw rod, and the other end of the second screw rod penetrates through the first fixing plate 321 from one side of the first fixing plate 321 away from the abutting plate 322 to be fixedly connected with the abutting plate 322. The interval between the two abutting plates 322 is adjusted through the second screw rod, so that cameras with different sizes can be clamped and fixed, and the requirements of different shooting requirements are met.
Specifically, the first adjusting mechanism includes a vertical slide 324 and a horizontal slide 323, the first fixing plate 321 is fixedly disposed on the horizontal slide 323, the horizontal slide 323 is fixedly connected to the vertical slide 324, and the vertical slide 324 is fixedly connected to the support plate 31. Both the vertical sliding seat 324 and the horizontal sliding seat 323 adopt a sliding seat structure, referring to fig. 4, the sliding seat structure is composed of plate-type members which are mutually clamped and can slide relatively. The camera holder fixedly connected to the first fixing plate 321 is horizontally position-adjustable by a horizontal slider 323, and the camera holder is vertically position-adjustable by a vertical slider 324.
Specifically, the second adjusting mechanism includes a horizontal fixing rod 332 and a vertical fixing rod 333, the vertical fixing rod 333 is fixed on the horizontal fixing rod 332 by a clip member 334, the light source clamping member 331 is fixed on the vertical fixing rod 333 by the clip member 334, and the horizontal fixing rod 332 is fixedly connected to the support plate 31. The clamp member 334 is detachably connected to the corresponding fixing rod, and the position of the light source clamping member 331 can be adjusted by adjusting the fastening position of the clamp member 334, that is, the fixing position of the light source clamping member 331 on the vertical fixing rod 333 and the fixing position of the vertical fixing rod 333 on the horizontal fixing rod 332 are respectively adjusted.
Specifically, the backlight testing tool 6 is further included, the backlight testing tool 6 comprises a bottom plate 61 and a light-transmitting plate 62, a second fixing rod 63 is vertically arranged on the bottom plate 61, and the light-transmitting plate 62 is arranged above the bottom plate 61 in parallel and is fixed on the second fixing rod 63 through a clamping piece 64; the base plate 61 is detachably attached to the test product placement stage 2. When the simulation backlight detection is needed, the backlight test fixture 6 is fixed on the test product placing table 2, the test light source is placed on the bottom plate 61 of the backlight test fixture 6, and the test product is placed on the light-transmitting plate 62 of the backlight fixture. The transparent plate 62 is made of transparent glass material to realize a light transmission effect, and is subjected to backlight testing. The connection of the bottom plate 61 to the placement table 21 may be detachably connected by means of screw connection.
The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. Machine vision test workbench, its characterized in that: the test product placement table comprises a main cabinet (1), a test product placement table (2) and a fixing module (3) for fixing shooting equipment and a light source, wherein an installation seat (4) is fixedly arranged on a table top at the top end of the main cabinet (1), the test product placement table (2) is slidably connected with the installation seat (4), a supporting frame (5) is fixedly arranged on the table top at the top end of the main cabinet (1), the fixing module is arranged above the installation seat (4) and is fixedly connected onto the supporting frame (5), and a lifting mechanism for driving the fixing module to lift is arranged on the supporting frame (5); the test product placement table (2) comprises a connecting plate (22) and a placement table (21) which are connected with each other; the connecting plate (22) is hinged with the placing table (21) and forms an included angle structure, and an angle adjusting mechanism is arranged between the connecting plate (22) and the placing table (21).
2. The machine vision test bench of claim 1, wherein: the angle adjusting mechanism comprises a guide plate (23), a first screw rod and a first adjusting knob (25), wherein the guide plate (23) is provided with an arc-shaped guide groove (24) corresponding to the rotating track of the placing table (21), the guide plate (23) is fixedly connected to the placing table (21), one end of the first screw rod penetrates through the arc-shaped guide groove (24) to be in threaded connection with the connecting plate (22), the other end of the first screw rod is in threaded connection with the first adjusting knob (25), and the first adjusting knob (25) can be in clamping connection with the guide plate (23) with the connecting plate (22).
3. The machine vision test bench of claim 1, wherein: the mounting seat (4) comprises a first sliding screw guide rail which is horizontally arranged, a sliding block is fixedly arranged at the bottom of the connecting plate (22), and the sliding block is slidably connected onto a screw rod of the first sliding screw guide rail.
4. The machine vision test bench of claim 1, wherein: the lifting mechanism comprises a second sliding screw guide rail vertically arranged on the supporting frame (5), a connecting seat (53) is connected to the screw rod of the second sliding screw guide rail in a sliding mode, and the fixing module is fixedly connected to the connecting seat (53).
5. The machine vision test bench of claim 4, wherein: guide rails (52) are respectively arranged on two sides of the screw rod of the second sliding screw rod guide rail in parallel, guide grooves are formed in the connecting seat (53), and the guide grooves are clamped on the guide rails (52) and are connected with the guide rails in a sliding mode.
6. The machine vision test bench of claim 1, wherein: the fixing module (3) comprises a supporting plate (31), a shooting fixing module (32) and a light source fixing module (33), and the shooting fixing module (32) and the light source fixing module (33) are respectively arranged on two sides of the vertically arranged supporting plate (31); the shooting fixing module (32) comprises a camera clamping piece and a first adjusting mechanism for adjusting the position of the camera clamping piece, and the light source fixing module (33) comprises a light source clamping piece (331) and a second adjusting mechanism for adjusting the movement of the light source clamping piece (331).
7. The machine vision test bench of claim 6, wherein: the camera clamping piece comprises two first fixing plates (321) which are oppositely arranged, abutting plates (322) which are oppositely arranged are arranged between the two first fixing plates (321), and a clamping space for fixing a camera is formed between the two abutting plates (322); the device further comprises a second screw rod and a second adjusting knob (325), wherein the second adjusting knob (325) is fixedly arranged at one end of the second screw rod, and the other end of the second screw rod penetrates through the first fixing plate (321) from one side, away from the abutting plate (322), of the first fixing plate (321) to be fixedly connected with the abutting plate (322).
8. The machine vision test bench of claim 7, wherein: the first adjusting mechanism comprises a vertical sliding seat (324) and a horizontal sliding seat (323), a first fixing plate (321) is fixedly arranged on the horizontal sliding seat (323), the horizontal sliding seat (323) is fixedly connected to the vertical sliding seat (324), and the vertical sliding seat (324) is fixedly connected to the supporting plate (31).
9. The machine vision test bench of claim 6, wherein: the second adjusting mechanism comprises a horizontal fixing rod (332) and a vertical fixing rod (333), the vertical fixing rod (333) is fixed on the horizontal fixing rod (332) through a clamp piece (334), the light source clamping piece (331) is fixed on the vertical fixing rod (333) through the clamp piece (334), and the horizontal fixing rod (332) is fixedly connected to the supporting plate (31).
10. The machine vision test bench of any of claims 1-9, wherein: the backlight testing tool (6) comprises a bottom plate (61) and a light-transmitting plate (62), a second fixing rod (63) is vertically arranged on the bottom plate (61), and the light-transmitting plate (62) is arranged above the bottom plate (61) in parallel and is fixed on the second fixing rod (63) through a clamping piece (64); the bottom plate (61) is detachably connected to the test product placement table (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223584742.2U CN219265373U (en) | 2022-12-30 | 2022-12-30 | Machine vision test workbench |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223584742.2U CN219265373U (en) | 2022-12-30 | 2022-12-30 | Machine vision test workbench |
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| Publication Number | Publication Date |
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| CN219265373U true CN219265373U (en) | 2023-06-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202223584742.2U Active CN219265373U (en) | 2022-12-30 | 2022-12-30 | Machine vision test workbench |
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| CN (1) | CN219265373U (en) |
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- 2022-12-30 CN CN202223584742.2U patent/CN219265373U/en active Active
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