CN115690791A - Computer vision recognition device - Google Patents
Computer vision recognition device Download PDFInfo
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- CN115690791A CN115690791A CN202211344458.XA CN202211344458A CN115690791A CN 115690791 A CN115690791 A CN 115690791A CN 202211344458 A CN202211344458 A CN 202211344458A CN 115690791 A CN115690791 A CN 115690791A
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- workbench
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- paper
- computer vision
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- 230000004438 eyesight Effects 0.000 title claims abstract description 27
- 239000000725 suspension Substances 0.000 claims abstract description 26
- 230000001360 synchronised effect Effects 0.000 claims abstract description 9
- 230000000007 visual effect Effects 0.000 claims description 4
- 239000003351 stiffener Substances 0.000 claims 1
- 238000000034 method Methods 0.000 description 6
- 230000003014 reinforcing effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 241000282414 Homo sapiens Species 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000004382 visual function Effects 0.000 description 1
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Abstract
The invention relates to the technical field of computer vision identification, and discloses a computer vision identification device, which comprises a workbench, a paper transfer mechanism and a paper identification mechanism; the paper identification mechanism comprises a top suspension bracket arranged on one side of the workbench far away from the ground, a camera is arranged at the position of the top suspension bracket close to the center of the workbench, a limiting block is arranged on the outer side of the top suspension bracket, a limiting groove is arranged on one side of the limiting block close to the workbench, and guide plates are obliquely arranged at two ends of the limiting groove; the paper transfer mechanism comprises rotating shafts connected to two sides of the workbench, one side, close to the ground, of the workbench is provided with a synchronous driving assembly for driving the two rotating shafts to rotate synchronously, the rotating shafts are close to the end portion, close to the center of the workbench, of one end of a sliding rod fixedly connected with the end portion of the sliding rod, and the middle of the sliding rod is connected with a sliding block in a sliding mode. The invention is suitable for a computer vision recognition device, and the whole device does not need to manually move paper below the camera, thereby improving the working efficiency of the whole device.
Description
Technical Field
The invention relates to the technical field of computer vision recognition, in particular to a computer vision recognition device.
Background
The computer vision technology is a technology for simulating the visual process of human beings by a computer, and has the capability of feeling the environment and the visual function of human beings. The most common application of computer recognition is the conversion of paper characters into digital characters, and at this time, the computer is required to recognize the characters on the paper.
The in-process of discernment usually needs to remove the paper to the nearer position of camera, need a large amount of shifts of paper at the in-process of discernment, manual operation is comparatively loaded down with trivial details, can't all remove fixed camera of highly being convenient for at every turn and discern, some existing identification equipment have only set up layer board and camera, this leads to the paper to need the manual participation of operating personnel at the in-process that shifts, perhaps directly discern on the assembly line, this distance that has led to discernment can't freely be adjusted, the discernment precision is relatively poor, consequently, need design one kind can automatic lifting paper height be convenient for the visual identification device of discernment.
Disclosure of Invention
The invention provides a computer vision recognition device, which solves the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a computer vision recognition device comprises a workbench, a paper transfer mechanism and a paper recognition mechanism;
the paper identification mechanism comprises a top suspension bracket arranged on one side of the workbench far away from the ground, a camera is arranged at the position of the top suspension bracket close to the center of the workbench, a limiting block is arranged on the outer side of the top suspension bracket, a limiting groove is arranged on one side of the limiting block close to the workbench, and guide plates are obliquely arranged at two ends of the limiting groove;
the paper transfer mechanism comprises a rotating shaft which is rotatably connected to two sides of a workbench, one side, close to the ground, of the workbench is provided with a synchronous driving assembly which drives two rotating shafts to rotate synchronously, the rotating shaft is close to the end portion of a sliding rod fixedly connected with one end of the center of the workbench, the middle portion of the sliding rod is connected with a sliding block in a sliding mode, two sliding blocks are fixedly connected with two sides of the sliding plate, the sliding plate is connected with a supporting column in a sliding mode, one side, away from the ground, of the supporting column is provided with a supporting plate, the end portion of the supporting plate is provided with a guide head matched with a limiting groove, one side, close to the rotating shaft, of the sliding rod is provided with a baffle, and a first spring is arranged between the baffle and the sliding block.
As a preferable technical scheme of the invention, one end of the sliding rod, which is far away from the rotating shaft, is provided with a first limiting plate.
As a preferred technical scheme of the present invention, the two ends of the sliding plate are provided with second limiting plates, and a second spring is arranged between each second limiting plate and the adjacent supporting column.
As a preferable technical scheme of the invention, the synchronous driving assembly comprises a bottom suspension bracket fixedly connected with the workbench, the bottom suspension bracket is rotatably connected with a driving shaft, a first belt wheel is arranged at the end part of the driving shaft, the first belt wheel is connected with a second belt wheel through a first belt, and the second belt wheel is fixedly connected with the end part of the rotating shaft.
As a preferable technical scheme of the invention, the middle part of the bottom suspension bracket is provided with a driving motor, an output shaft of the driving motor is fixedly connected with a third belt wheel, the third belt wheel is connected with a fourth belt wheel through a second belt, and the fourth belt wheel is fixedly connected with a driving shaft.
As a preferred technical solution of the present invention, two support columns are slidably connected to one of the sliding plates, the support columns are perpendicular to the sliding plate, and the sliding plate is parallel to the workbench.
As a preferred technical scheme of the invention, the middle part of the limiting groove is connected with a height adjusting plate in a sliding manner, the limiting block is in threaded connection with a screw rod, and the end part of the screw rod is rotationally connected with the height adjusting plate.
As a preferable technical scheme of the invention, a reinforcing rib is arranged between the guide plate and the limiting block.
The invention has the following advantages:
the invention is suitable for a computer vision recognition device, realizes the intermittent movement of paper to the right side by the left-right movement of the supporting plate, and the supporting plate drives the paper to move to the top and has certain pause time for recognition with the paper due to the matching of the limiting groove and the guide head, so the whole device does not need to manually move the paper to the lower part of the camera, and the working efficiency of the whole device is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a computer vision recognition device.
Fig. 2 is a front view of a computer vision recognition device.
Fig. 3 is a schematic structural diagram of a paper identification mechanism in a computer vision identification device.
Fig. 4 is a right side view of a paper recognition mechanism in a computer vision recognition apparatus.
Fig. 5 is a schematic structural diagram of a paper transfer mechanism in a computer vision recognition device.
Fig. 6 is a right side view of a sheet transfer mechanism in a computer vision recognition device.
Fig. 7 is a schematic structural view of a sliding plate in a computer vision recognition device.
Fig. 8 is a schematic structural diagram of a supporting plate in a computer vision recognition device.
In the figure: 1. supporting legs; 2. a work table; 3. a paper transfer mechanism; 4. a paper sheet recognition mechanism; 5. a top suspension bracket; 6. a limiting block; 7. a guide plate; 8. a limiting groove; 9. reinforcing ribs; 10. a height adjustment plate; 11. a screw rod; 12. a camera; 13. a rotating shaft; 14. a second pulley; 15. a first belt; 16. a first pulley; 17. a drive shaft; 18. a bottom suspension bracket; 19. a synchronous drive assembly; 20. a drive motor; 21. a third belt pulley; 22. a second belt; 23. a fourth pulley; 24. a slide bar; 25. a sliding plate; 26. a support pillar; 27. a guide head; 28. a support plate; 29. a baffle plate; 30. a first spring; 31. a slider; 32. a first limit plate; 33. a second limiting plate; 34. a second spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
In one embodiment, referring to fig. 1-8, a computer vision recognition apparatus includes a table 2, a sheet transfer mechanism 3, and a sheet recognition mechanism 4;
the paper recognition mechanism 4 comprises a top suspension bracket 5 arranged on one side of the workbench 2 far away from the ground, the top suspension bracket 5 is of an L-shaped structure, a vertical rod piece is arranged below the top suspension bracket 5 and stands on the rear side of the middle part of the upper surface of the workbench 2, the upper end of the top suspension bracket 5 is a transverse plate extending forwards and backwards, a camera 12 is arranged in the middle of the lower surface of the transverse plate at the upper end of the top suspension bracket 5, limit blocks 6 are vertically arranged at the front side and the rear side of the transverse plate at the upper end of the top suspension bracket 5, a limit groove 8 with an opening at the lower end is arranged at the lower side of each limit block 6, guide plates 7 are obliquely arranged at the two ends of each limit groove 8, the guide plates 7 are arranged at the left side and the right side of the lower end of each limit groove 8, the guide plates 7 are separated towards the two sides to be unfolded, and guide heads 27 are moved downwards to be transferred into the limit grooves 8 after being contacted with the guide plates 7, so that the guiding effect is realized, reinforcing ribs 9 are arranged between the guide plates 7 and the guide plates 7 are obliquely arranged, and the reinforcing ribs 9 are arranged between the upper surface of the guide plates 7 and the side edges of the limit blocks 6, so that the reinforcing ribs 9 are arranged between the side edges of the guide plates 7 and the stability of the guide plates is more stable, and the stability of the device is improved;
the paper transfer mechanism 3 comprises a rotating shaft 13 which is rotatably connected to two sides of a workbench 2, wherein a abdicating groove is formed in the middle of the workbench 2, the rotating shaft 13 is arranged on each of the left side and the right side of the abdicating groove, and the rotating shafts 13 are arranged on the front side and the rear side of the abdicating groove, one side, close to the ground, of the workbench 2 is provided with a synchronous driving assembly 19 for driving the two rotating shafts 13 to rotate synchronously, the rotating shaft 13 is close to the end part of a sliding rod 24 fixedly connected to the center of the workbench 2, a sliding block 31 and a sliding block 31 are arranged in the middle of the sliding rod 24, two sliding blocks 31 are fixedly connected to two sides of a sliding plate 25, a supporting column 26 is slidably connected to the sliding plate 25, a supporting plate 28 is arranged on one side, far away from the ground, of the supporting column 26, a guide head 27 matched with a limiting groove 8 is arranged on the end part of the supporting plate 28, a baffle 29 is arranged on one side, close to the rotating shaft 13, and a first spring 30 is arranged between the baffle 29 and the sliding block 31.
In one aspect of the present embodiment, an end of the sliding rod 24 away from the rotating shaft 13 is provided with a first limit plate 32. And second limiting plates 33 are arranged at two ends of the sliding plate 25, and second springs 34 are arranged between the second limiting plates 33 and the adjacent supporting columns 26. When the rotating shaft 13 drives the sliding rod 24 to rotate around the axis of the rotating shaft 13, the sliding rod 24 drives the sliding plate 25 to move up and down and left and right to form an elliptical moving track, the first spring 30 pushes the sliding block 31 in a direction away from the rotating shaft 13, the supporting columns 26 are slidably connected to the left side and the right side of the sliding plate 25 on the side close to the center of the workbench 2, and the second spring 34 pushes the supporting columns 26 in a direction toward the center of the sliding plate 25.
In one case of this embodiment, the synchronous drive assembly 19 comprises a bottom suspension 18 fixedly connected to the table 2, the bottom suspension 18 being rotatably connected to a drive shaft 17, the end of the drive shaft 17 being provided with a first pulley 16, the first pulley 16 being connected to a second pulley 14 via a first belt 15, the second pulley 14 being fixedly connected to the end of the rotating shaft 13. The middle part of the bottom suspension bracket 18 is provided with a driving motor 20, an output shaft of the driving motor 20 is fixedly connected with a third belt wheel 21, the third belt wheel 21 is connected with a fourth belt wheel 23 through a second belt 22, and the fourth belt wheel 23 is fixedly connected with the driving shaft 17. Two support columns 26 are slidably connected to one sliding plate 25, the support columns 26 are perpendicular to the sliding plate 25, and the sliding plate 25 is parallel to the workbench 2. Bottom mounted frame 18 is that the U type structure opening upwards sets up, both sides around 2 lower surface middle parts of upper end fixed connection workstation of bottom mounted frame 18, driving motor 20 sets up the below middle part at bottom mounted frame 18, driving motor 20 drives drive shaft 17 through belt transmission and rotates, drive shaft 17's front and back both ends have all set up first band pulley 16, first band pulley 16 drives two second band pulleys 14 simultaneously through first belt 15 and rotates, thereby make four pivots 13 of both sides all can be synchronous rotate around making.
In one aspect of this embodiment, the middle portion of the limiting groove 8 is slidably connected with a height adjusting plate 10, the limiting block 6 is threadedly connected with a screw rod 11, and the end portion of the screw rod 11 is rotatably connected with the height adjusting plate 10. The height adjusting plate 10 can move up and down in the limit groove 8, and the guide head 27 can contact with the height adjusting plate 10 after moving into the limit groove 8, so that the maximum height of the guide head 27 can be changed by the up-and-down movement of the height adjusting plate 10, and the rotation of the screw rod 11 can push the height adjusting plate 10 to move up and down.
This embodiment is in the implementation process, four corners of lower surface at workstation 2 have set up supporting leg 1, make placing that whole device can be stable subaerial, and can set up paper release this moment in the left side of device, just also at every turn only drop a paper, this paper can be just good fall on removing left layer board 28, or can use end to end's paper, can be with the adhesion of the single-sheet end to end of original, perhaps directly adopt rectangular form stock form to take notes, put the paper on layer board 28 this moment, whole device can be normal removes.
The driving motor 20 is started, the output shaft of the driving motor 20 drives the driving shaft 17 to rotate through belt transmission, so that the rotating shaft 13 drives the sliding rod 24 to rotate, the supporting plate 28 can move clockwise according to an elliptical track, when the supporting plate 28 moves from left to right above the workbench 2, the supporting plate 28 can move upwards, the guide head 27 can firstly contact with the guide plate 7 on the left side, the guide head 27 moves into the limiting groove 8 along with the guide plate 7, at the moment, the guide head 27 abuts against the top of the limiting groove 8, at the moment, the supporting plate 28 is fixed at the position, the supporting column 26 can move relative to the sliding plate 25, at the moment, the camera 12 can perform identification scanning processing on paper on the supporting plate 28, when the rotating shaft 13 drives the sliding rod 24 to rotate downwards, the supporting plate 28 moves downwards, the supporting plate 28 is separated from the limiting groove 8 and moves towards the right along with the guide plate 7 on the right side, and finally rotates to the lower side of the workbench 2, and as the supporting plate 28 rotates, characters of the paper on the supporting plate 28 can be identified once.
When the paper releasing device is arranged on the left side of the device, the paper releasing device can drop a piece of paper just on the supporting plate 28 after the supporting plate 28 moves to the left side every time, and a sampling device can be arranged on the right side of the workbench 2, so that the paper on the supporting plate 28 can be taken out, and a scraper blade or a push rod mode can be directly used, so that the paper can be continuously transferred on the supporting plate 28, the paper releasing device which can drop a piece of paper every time belongs to common equipment and is used in a large number of printing workshops, therefore, specific structures and use processes are not repeated, or the paper adhered together or directly rolled roll paper can be used when working, the paper only needs to be laid on the supporting plate 28 in the left-right direction, after the supporting plate 28 rotates leftwards and rightwards for a circle, the paper can be lifted upwards once and falls back onto the workbench 2, and can move to the right side for a certain distance after being lifted every time, the intermittent movement effect is also realized, and the camera 12 can intermittently recognize characters on the paper.
The invention is suitable for a computer vision recognition device, the intermittent movement to the right side of the paper is realized by the left-right movement of the supporting plate 28, and the supporting plate 28 drives the paper to move to the top, and the supporting plate 28 and the paper have certain pause time for recognition due to the matching of the limiting groove 8 and the guide head 27, so that the whole device does not need to manually move the paper to the lower part of the camera 12, and the working efficiency of the whole device is improved.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (8)
1. A computer vision recognition device is characterized by comprising a workbench, a paper transfer mechanism and a paper recognition mechanism;
the paper identification mechanism comprises a top suspension bracket arranged on one side of the workbench far away from the ground, a camera is arranged at the position of the top suspension bracket close to the center of the workbench, a limiting block is arranged on the outer side of the top suspension bracket, a limiting groove is arranged on one side of the limiting block close to the workbench, and guide plates are obliquely arranged at two ends of the limiting groove;
the paper transfer mechanism comprises a rotating shaft which is rotatably connected to two sides of a workbench, one side, close to the ground, of the workbench is provided with a synchronous driving assembly which drives two rotating shafts to rotate synchronously, the rotating shaft is close to the end portion of a sliding rod fixedly connected with one end of the center of the workbench, the middle portion of the sliding rod is connected with a sliding block in a sliding mode, two sliding blocks are fixedly connected with two sides of the sliding plate, the sliding plate is connected with a supporting column in a sliding mode, one side, away from the ground, of the supporting column is provided with a supporting plate, the end portion of the supporting plate is provided with a guide head matched with a limiting groove, one side, close to the rotating shaft, of the sliding rod is provided with a baffle, and a first spring is arranged between the baffle and the sliding block.
2. The visual recognition apparatus of claim 1, wherein the sliding rod is provided with a first stop plate at an end thereof away from the rotating shaft.
3. The computer vision recognition device of claim 2, wherein the sliding plate is provided with second limiting plates at two ends, and a second spring is provided between each second limiting plate and the adjacent support column.
4. The computer vision recognition device of claim 1, wherein the synchronous driving assembly comprises a bottom suspension bracket fixedly connected with the worktable, the bottom suspension bracket is rotatably connected with a driving shaft, a first belt wheel is arranged at the end part of the driving shaft, the first belt wheel is connected with a second belt wheel through a first belt, and the second belt wheel is fixedly connected with the end part of the rotating shaft.
5. The computer vision recognition device of claim 4, wherein a driving motor is disposed in the middle of the bottom suspension bracket, an output shaft of the driving motor is fixedly connected to a third belt wheel, the third belt wheel is connected to a fourth belt wheel through a second belt, and the fourth belt wheel is fixedly connected to the driving shaft.
6. The computer vision recognition device of claim 5, wherein two support posts are slidably connected to one of the slide plates, the support posts being disposed perpendicular to the slide plate, and the slide plate being disposed parallel to the table.
7. The computer vision recognition device of claim 1, wherein a height adjustment plate is slidably connected to a middle portion of the limiting groove, a lead screw is threadedly connected to the limiting block, and an end portion of the lead screw is rotatably connected to the height adjustment plate.
8. The visual recognition device of claim 1, wherein a stiffener is disposed between the guide plate and the stop block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211344458.XA CN115690791A (en) | 2022-10-31 | 2022-10-31 | Computer vision recognition device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211344458.XA CN115690791A (en) | 2022-10-31 | 2022-10-31 | Computer vision recognition device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115690791A true CN115690791A (en) | 2023-02-03 |
Family
ID=85045272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211344458.XA Withdrawn CN115690791A (en) | 2022-10-31 | 2022-10-31 | Computer vision recognition device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115690791A (en) |
-
2022
- 2022-10-31 CN CN202211344458.XA patent/CN115690791A/en not_active Withdrawn
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20230203 |