Code word recognition and detection device
By automatically detecting the location of QR codes or text on the product casing using a code recognition and detection device, the problems of slow speed, large errors and low efficiency of manual detection are solved, and a highly efficient and accurate detection process is achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-27
- Publication Date
- 2026-04-03
AI Technical Summary
Manually inspecting whether the text or QR code on the product casing meets the factory requirements is slow, has a large error margin, and is inefficient.
The device employs a code recognition and detection system, which includes a workbench, conveyor belt, clamping assembly, detection assembly, and gripping assembly. It automatically detects the location of the QR code or text on the product using a vision sensor and camera. If the product meets the factory requirements, it is transferred to the discharge conveyor belt; otherwise, it is placed in the waste area.
It improved detection speed, reduced errors, and increased detection efficiency.
Smart Images
Figure CN224072711U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of code character recognition equipment technology, and in particular to a code character recognition and detection device. Background Technology
[0002] Nowadays, products are marked with text or QR codes on their shells. However, before packaging, the text or QR codes need to be manually checked to ensure that their positions are correct and meet the factory requirements. However, manual inspection is slow, has a large error rate, and is inefficient. Utility Model Content
[0003] To address the issues of slow detection speed, large errors, and low efficiency in manually detecting whether the position of text or QR codes meets factory requirements, this application provides a code character recognition and detection device.
[0004] The codeword recognition and detection device provided in this application adopts the following technical solution:
[0005] A code character recognition and detection device includes a worktable, an upper housing connected above the worktable, a lower housing connected below the worktable, an inlet and an outlet respectively provided on opposite sides of the upper housing, an infeed conveyor belt and an outlet conveyor belt installed on the worktable, a clamping assembly for placing products to be detected on the worktable, a waste area provided on the worktable located on one side of the clamping assembly, a first support column connected to the worktable, an upper detection assembly provided on the first support column, an opening provided on the worktable, a second support column connected below the worktable, a lower detection assembly provided on the second support column, and a gripping assembly for transferring products provided on the worktable.
[0006] Preferably, the upper housing is provided with an operating port, and a door is connected to the operating port.
[0007] Preferably, the clamping assembly includes a fixed frame, a fixed block, a first adjusting rod, a first slider, a first connecting plate, an extension plate, a second adjusting rod, a second slider, a second connecting plate, and a fixed post. The fixed frame is connected to the worktable and is rectangular. The fixed frame is located above the opening. The fixed block is connected to the fixed frame and has one fixed block at each of the four corners of the fixed frame. The first adjusting rod is connected between two adjacent fixed blocks and is parallel to each other. The first slider is slidably mounted on the first adjusting rod and has a first through hole for the first adjusting rod to pass through. The first slider is provided on each of the first adjusting rods in two separate configurations. The second adjusting rod is connected between two opposite first sliders. The two second adjusting rods are arranged parallel to each other. The first and second adjusting rods can be joined end to end to form a rectangle. The second slider is slidably mounted on the second adjusting rod. The second slider has a second through hole for the second adjusting rod to pass through. The first connecting plate is connected between two opposite first sliders. The extension plate is connected to the first connecting plate. The second connecting plate is connected between two opposite second sliders. The fixing post is connected to the second connecting plate. Both the extension plate and the fixing post can support the product.
[0008] Preferably, the upper detection component includes a fixed frame, a fixed rod, a third slider, a first connecting block, a first connecting rod, a first adjusting block, a first camera, a second adjusting block, and a first light source. The fixed frame is connected to a first support column and is arranged in a "U" shape. The fixed rod is connected to the fixed frame. The third slider is slidably disposed on the fixed rod and is cubic in shape. The sidewall of the third slider slidably fits against the inner wall of the fixed frame. A plurality of first connecting blocks and first connecting rods are interconnected to form a first support frame. The first support frame is connected to the third slider and is located above the clamping component. The first adjusting block is bolted to the first connecting rod. The first camera is connected to the first adjusting block. The second adjusting block is bolted to the first connecting block. The first light source is connected to the second adjusting block. One first light source is provided on each side of the first camera.
[0009] Preferably, the lower detection component includes a second connecting block, a second connecting rod, a third adjusting block, a second camera, a fourth adjusting block, and a second light source. A plurality of the second connecting blocks and the second connecting rod are interconnected to form a second support frame. The second support frame is connected to the lower part of the worktable and is located below the opening. The third adjusting block is bolted to the second connecting rod. Two third adjusting blocks are provided. The second camera is connected to the third adjusting block. The fourth adjusting block is bolted to the second connecting rod, and one fourth adjusting block is located on each side of the third adjusting block. The second light source is connected to the fourth adjusting block.
[0010] Preferably, the gripping assembly includes a third support column, an X-axis servo slide rail, a Y-axis servo slide rail, a first mounting plate, a lifting cylinder, a second mounting plate, and a suction cup. The third support column is connected to the worktable, the X-axis servo slide rail is connected to the third support column, and one X-axis servo slide rail is provided on each side of the clamping assembly. The two X-axis servo slide rails are arranged parallel to each other. The Y-axis servo slide rail is connected between the slides of the two X-axis servo slide rails. The first mounting plate is connected to the slide of the Y-axis servo slide rail. The lifting cylinder is connected to the first mounting plate and is arranged vertically. Two lifting cylinders are provided on the first mounting plate. The second mounting plate is connected to the piston rod of the lifting cylinder, and the suction cup is connected to the second mounting plate.
[0011] Preferably, a first limiting rod is connected to the feeding conveyor belt, and a first limiting rod is provided at each end of the feeding conveyor belt. A first vision sensor is connected to the first limiting rod. A second limiting rod is connected to the discharging conveyor belt, and the second limiting rod is located at the end of the discharging conveyor belt near the clamping assembly. A second vision sensor is connected to the second limiting rod.
[0012] In summary, this application includes the following beneficial technical effects:
[0013] This utility model provides a code recognition and detection device, including a worktable, an upper shell, a lower shell, an infeed conveyor belt, an outfeed conveyor belt, a clamping assembly, a first support column, an upper detection assembly, a second support column, a lower detection assembly, and a gripping assembly. During operation, the product to be detected is placed on the infeed conveyor belt and conveyed to the upper shell. The gripping assembly then grips the product and places it on the clamping assembly. The upper and lower detection assemblies photograph the product, and an external visual inspection system checks whether the QR code or text on the product meets factory requirements. If it does, the gripping assembly picks up the product and transfers it to the outfeed conveyor belt, which then outputs it to the upper shell. If it does not meet requirements, the gripping assembly places the product in the waste area on the worktable. This device effectively improves upon the problems of slow detection speed, large errors, and low efficiency associated with manual detection of text or QR code positions to ensure they meet factory requirements. Attached Figure Description
[0014] Figure 1 This is a schematic diagram of the structure of the code character recognition and detection device in the embodiments of this application;
[0015] Figure 2 This is a schematic diagram illustrating the internal structure of the upper shell in the embodiments of this application;
[0016] Figure 3 yes Figure 2 Enlarged view of point A in the middle;
[0017] Figure 4 yes Figure 2 Enlarged view of point B in the middle;
[0018] Figure 5 This is a schematic diagram illustrating the internal structure of the lower shell in an embodiment of this application.
[0019] Explanation of reference numerals in the attached drawings: 1. Workbench; 11. Upper housing; 111. Feed inlet; 112. Discharge outlet; 113. Door; 12. Lower housing; 13. Feed conveyor belt; 131. First limiting rod; 132. First vision sensor; 14. Discharge conveyor belt; 141. Second limiting rod; 142. Second vision sensor; 15. First support column; 16. Second support column; 2. Clamping assembly; 20. Fixing frame; 21. Fixing block; 22. First adjusting rod; 23. First slider; 24. First connecting plate; 25. Extension plate; 26. Second adjusting rod; 27. Second slider; 28. Second connecting plate; 29. Fixing column; 3. Upper detection component; 30. Fixing frame; 31. Fixing rod; 32. Third slider; 33. First connecting block; 34. First connecting rod; 35. First adjusting block; 36. First camera; 37. Second adjusting block; 38. First light source; 4. Lower detection component; 40. Second connecting block; 41. Second connecting rod; 42. Third adjusting block; 43. Second camera; 44. Fourth adjusting block; 45. Second light source; 5. Gripping component; 50. Third support column; 51. X-axis servo slide rail; 52. Y-axis servo slide rail; 53. First mounting plate; 54. Lifting cylinder; 55. Second mounting plate; 56. Suction cup. Detailed Implementation
[0020] To enable those skilled in the art to better understand the present invention, the solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort should fall within the protection scope of the present invention.
[0021] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation or specific orientation structure and operation, and therefore should not be construed as a limitation of this utility model; the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. In addition, unless otherwise explicitly specified and limited, the terms "installed," "connected," and "linked" should be interpreted broadly, 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 a connection within two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.
[0022] This application discloses a codeword recognition and detection device. (Refer to...) Figures 1-5 The code recognition and detection device includes a workbench 1, an upper housing 11 connected above the workbench 1, a lower housing 12 connected below the workbench 1, an inlet 111 and an outlet 112 respectively provided on opposite sides of the upper housing 11, an inlet conveyor belt 13 and an outlet conveyor belt 14 installed on the workbench 1, a clamping assembly 2 for placing the product to be detected on the workbench 1, a waste area on the workbench 1 located on one side of the clamping assembly 2, a first support column 15 connected to the workbench 1, an upper detection assembly 3 provided on the first support column 15, an opening on the workbench 1, a second support column 16 connected below the workbench 1, a lower detection assembly 4 provided on the second support column 16, and a gripping assembly 5 for transferring products provided on the workbench 1.
[0023] An operating port is provided on the upper housing 11, and a box door 113 is connected to the operating port. By providing the operating port and the box door 113, it is convenient for staff to inspect the internal structure or take out defective products.
[0024] The clamping assembly 2 includes a fixed frame 20, a fixed block 21, a first adjusting rod 22, a first slider 23, a first connecting plate 24, an extension plate 25, a second adjusting rod 26, a second slider 27, a second connecting plate 28, and a fixed post 29. The fixed frame 20 is connected to the workbench 1 and is a rectangular frame located above the opening. The fixed block 21 is connected to the fixed frame 20 and has one fixed block at each of the four corners of the fixed frame 20. The first adjusting rod 22 is connected between two adjacent fixed blocks 21 and is parallel to each other. The first slider 23 is slidably mounted on the first adjusting rod 22 and has a first through-hole for the first adjusting rod 22 to pass through. The device has holes, two first sliders 23 on each first adjusting rod 22, and two second adjusting rods 26 connected between two opposite first sliders 23. The two second adjusting rods 26 are arranged parallel to each other. The first adjusting rods 22 and the second adjusting rods 26 can be joined end to end to form a rectangle. The second slider 27 is slidably disposed on the second adjusting rod 26. The second slider 27 has a second through hole for the second adjusting rod 26 to pass through. The first connecting plate 24 is connected between two opposite first sliders 23. The extension plate 25 is connected to the first connecting plate 24. The second connecting plate 28 is connected between two opposite second sliders 27. The fixing post 29 is connected to the second connecting plate 28. Both the extension plate 25 and the fixing post 29 can support the product.
[0025] Before testing, staff can adjust the position of extension plate 25 and fixed post 29 by moving the first slider 23 and the second slider 27 according to the size of the product to be tested, so that extension plate 25 and fixed post 29 can be used for products of different sizes.
[0026] The upper detection component 3 includes a fixed frame 30, a fixed rod 31, a third slider 32, a first connecting block 33, a first connecting rod 34, a first adjusting block 35, a first camera 36, a second adjusting block 37, and a first light source 38. The fixed frame 30 is connected to the first support column 15 and is arranged in a "U" shape. The fixed rod 31 is connected to the fixed frame 30. The third slider 32 is slidably disposed on the fixed rod 31 and is cubic in shape. The sidewall of the third slider 32 slidably fits against the fixed frame 30. On the inner wall, several first connecting blocks 33 and first connecting rods 34 are interconnected to form a first support frame. The first support frame is connected to the third slider 32 and is located above the clamping assembly 2. The first adjusting block 35 is connected to the first connecting rod 34 by bolts. The first camera 36 is connected to the first adjusting block 35. The second adjusting block 37 is connected to the first connecting block 33 by bolts. The first light source 38 is connected to the second adjusting block 37. The first light source 38 is provided on both sides of the first camera 36.
[0027] The operator can move the third slider 32 to adjust the position of the first camera 36 and the first light source 38, and the first adjusting block 35 can rotate on the first connecting rod 34 to adjust the camera angle of the first camera 36. The second adjusting block 37 can rotate on the first connecting block 33 to adjust the illumination angle of the first light source 38.
[0028] The lower detection component 4 includes a second connecting block 40, a second connecting rod 41, a third adjusting block 42, a second camera 43, a fourth adjusting block 44, and a second light source 45. Several second connecting blocks 40 and second connecting rods 41 are interconnected to form a second support frame. The second support frame is connected to the bottom of the workbench 1 and is located below the opening. The third adjusting block 42 is bolted to the second connecting rod 41. There are two third adjusting blocks 42. The second camera 43 is connected to the third adjusting block 42. The fourth adjusting block 44 is bolted to the second connecting rod 41. There is one fourth adjusting block 44 on each side of the third adjusting block 42. The second light source 45 is connected to the fourth adjusting block 44.
[0029] The third adjusting block 42 can rotate on the second connecting rod 41 to adjust the camera angle of the second camera 43, and the fourth adjusting block 44 can rotate on the second connecting block 40 to adjust the illumination angle of the second light source 45.
[0030] The gripping component 5 includes a third support column 50, an X-axis servo slide rail 51, a Y-axis servo slide rail 52, a first mounting plate 53, a lifting cylinder 54, a second mounting plate 55, and a suction cup 56. The third support column 50 is connected to the worktable 1. The X-axis servo slide rail 51 is connected to the third support column 50. There is one X-axis servo slide rail 51 on each side of the clamping component 2. The two X-axis servo slide rails 51 are arranged parallel to each other. The Y-axis servo slide rail 52 is connected between the slides of the two X-axis servo slide rails 51. The first mounting plate 53 is connected to the slide of the Y-axis servo slide rail 52. The lifting cylinder 54 is connected to the first mounting plate 53. The lifting cylinder 54 is arranged vertically. There are two lifting cylinders 54 on the first mounting plate 53. The second mounting plate 55 is connected to the piston rod of the lifting cylinder 54. The suction cup 56 is connected to the second mounting plate 55.
[0031] A first limiting rod 131 is connected to the feeding conveyor belt 13. The first limiting rod 131 is provided at both ends of the feeding conveyor belt 13. A first vision sensor 132 is connected to the first limiting rod 131. A second limiting rod 141 is connected to the discharging conveyor belt 14. The second limiting rod 141 is located at the end of the discharging conveyor belt 14 near the clamping assembly 2. A second vision sensor 142 is connected to the second limiting rod 141.
[0032] Among them, the first light source lamp 38 and the second light source lamp 45 adopt LED strip light sources.
[0033] The implementation principle of the code character recognition and detection device in this application embodiment is as follows: During operation, the operator places the product to be detected on the feeding conveyor belt 13. When the first visual sensor 132 on the outside of the upper shell detects the product to be detected, the feeding conveyor belt 13 conveys the product to be detected to the inside of the upper shell 11. When the first visual sensor 132 inside the upper shell detects the product to be detected, the feeding conveyor belt 13 stops. At this time, through the joint cooperation of the X-axis servo slide rail 51, the Y-axis servo slide rail 52 and the lifting cylinder 54, the suction cup 56 moves in the X-axis, Y-axis and Z-axis directions, and the suction cup 56 adsorbs the product to be detected. The product to be tested is placed on the extension plate 25 and the fixed column 29. Then, the product is illuminated by the first light source 38 and the second light source. The product is photographed from both the top and bottom by the first camera 36 and the second camera 43. The QR code or text of the product is checked by an external vision inspection system to see if it meets the factory requirements. If it does, the gripping component 5 grips the product and transfers it to the discharge conveyor belt 14. After the second vision sensor 142 detects the product, the upper shell 11 is output by the discharge conveyor belt 14. If it does not meet the requirements, the gripping component 5 places the product in the waste area on the workbench 1.
[0034] Finally, it should be noted that the above description is only a preferred embodiment of this utility model, and the protection scope of this utility model is not limited to the above embodiments. All technical solutions within the scope of this utility model's concept are within the protection scope of this utility model. It should be pointed out that for those skilled in the art, any improvements and modifications made without departing from the principle of this utility model should also be considered within the protection scope of this utility model.
Claims
1. A code character recognition and detection device, characterized in that: Includes a workbench (1), with an upper housing (11) connected above the workbench (1) and a lower housing (12) connected below the workbench (1). The upper housing (11) has an inlet (111) and an outlet (112) on opposite sides. The workbench (1) is equipped with an infeed conveyor belt (13) and an outlet conveyor belt (14). The workbench (1) also has a clamping assembly (2) for placing products to be tested. The workbench (1) is provided with a waste area located on one side of the clamping assembly (2). A first support column (15) is connected to the workbench (1), and an upper detection assembly (3) is provided on the first support column (15). An opening is provided on the workbench (1). A second support column (16) is connected to the bottom of the workbench (1), and a lower detection assembly (4) is provided on the second support column (16). A gripping assembly (5) for transferring products is provided on the workbench (1).
2. The codeword recognition and detection device according to claim 1, characterized in that: An operating port is provided on the upper housing (11), and a door (113) is connected to the operating port.
3. The codeword recognition and detection device according to claim 1, characterized in that: The clamping assembly (2) includes a fixed frame (20), a fixed block (21), a first adjusting rod (22), a first slider (23), a first connecting plate (24), an extension plate (25), a second adjusting rod (26), a second slider (27), a second connecting plate (28), and a fixed post (29). The fixed frame (20) is connected to the workbench (1). The fixed frame (20) is a rectangular frame and is located above the opening. The fixed block (21) is connected to the fixed frame (20). The fixed block (21) is located at each of the four corners of the fixed frame (20). The first adjusting rod (22) is connected between two adjacent fixed blocks (21). The two first adjusting rods (22) are arranged parallel to each other. The first slider (23) is slidably disposed on the first adjusting rod (22). The first slider (23) has an opening for the first adjusting rod (22) to pass through. The first through hole, the first slider (23) is provided with two on each of the first adjusting rods (22), the second adjusting rod (26) is connected between the two opposite first sliders (23), the two second adjusting rods (26) are arranged parallel to each other, the first adjusting rod (22) and the second adjusting rod (26) can be spliced end to end to form a rectangle, the second slider (27) is slidably disposed on the second adjusting rod (26), the second slider (27) is provided with a second through hole for the second adjusting rod (26) to pass through, the first connecting plate (24) is connected between the two opposite first sliders (23), the extension plate (25) is connected to the first connecting plate (24), the second connecting plate (28) is connected between the two opposite second sliders (27), the fixing column (29) is connected to the second connecting plate (28), the extension plate (25) and the fixing column (29) can both support the product.
4. The codeword recognition and detection device according to claim 1, characterized in that: The upper detection component (3) includes a fixed frame (30), a fixed rod (31), a third slider (32), a first connecting block (33), a first connecting rod (34), a first adjusting block (35), a first camera (36), a second adjusting block (37), and a first light source (38). The fixed frame (30) is connected to the first support column (15) and is arranged in a "U" shape. The fixed rod (31) is connected to the fixed frame (30). The third slider (32) is slidably disposed on the fixed rod (31) and is cubic in shape. The sidewall of the third slider (32) is slidably attached to the fixed frame. (30) On the inner wall, several first connecting blocks (33) and first connecting rods (34) are connected to each other to form a first support frame. The first support frame is connected to the third slider (32). The first support frame is located above the clamping assembly (2). The first adjusting block (35) is connected to the first connecting rod (34) by bolts. The first camera (36) is connected to the first adjusting block (35). The second adjusting block (37) is connected to the first connecting block (33) by bolts. The first light source (38) is connected to the second adjusting block (37). The first light source (38) is provided on both sides of the first camera (36).
5. The codeword recognition and detection device according to claim 1, characterized in that: The lower detection component (4) includes a second connecting block (40), a second connecting rod (41), a third adjusting block (42), a second camera (43), a fourth adjusting block (44), and a second light source (45). Several second connecting blocks (40) and second connecting rods (41) are connected to each other to form a second support frame. The second support frame is connected to the bottom of the workbench (1) and is located below the opening. The third adjusting block (42) is bolted to the second connecting rod (41). There are two third adjusting blocks (42). The second camera (43) is connected to the third adjusting block (42). The fourth adjusting block (44) is bolted to the second connecting rod (41). The fourth adjusting block (44) is provided on both sides of the third adjusting block (42). The second light source (45) is connected to the fourth adjusting block (44).
6. The codeword recognition and detection device according to claim 1, characterized in that: The gripping assembly (5) includes a third support column (50), an X-axis servo slide rail (51), a Y-axis servo slide rail (52), a first mounting plate (53), a lifting cylinder (54), a second mounting plate (55), and a suction cup (56). The third support column (50) is connected to the worktable (1), and the X-axis servo slide rail (51) is connected to the third support column (50). There is one X-axis servo slide rail (51) on each side of the clamping assembly (2), and the two X-axis servo slide rails (51) are arranged parallel to each other. The Y-axis servo slide rail (52) is connected between the slides of the two X-axis servo slide rails (51). The first mounting plate (53) is connected to the slide of the Y-axis servo slide rail (52). The lifting cylinder (54) is connected to the first mounting plate (53). The lifting cylinder (54) is arranged in a vertical direction. There are two lifting cylinders (54) on the first mounting plate (53). The second mounting plate (55) is connected to the piston rod of the lifting cylinder (54). The suction cup (56) is connected to the second mounting plate (55).
7. The codeword recognition and detection device according to claim 1, characterized in that: A first limiting rod (131) is connected to the feeding conveyor belt (13), and a first limiting rod (131) is provided at each end of the feeding conveyor belt (13). A first vision sensor (132) is connected to the first limiting rod (131). A second limiting rod (141) is connected to the discharging conveyor belt (14), and the second limiting rod (141) is located at the end of the discharging conveyor belt (14) near the clamping assembly (2). A second vision sensor (142) is connected to the second limiting rod (141).