AOI two-dimensional code size laser detection group

Abstract

The invention discloses an AOI two-dimensional code size laser detection set, and relates to the technical field of two-dimensional code detection, the AOI two-dimensional code size laser detection set comprises a detection sorting assembly, and the detection sorting assembly comprises a detection rack, a rotating shaft, a driven pin, a rodless cylinder seat, a material pushing sliding seat, a bevel gear motor, a bevel gear rod, a belt wheel, a synchronous belt and a rotating roller. The method comprises the following steps: firstly, driving rotating rollers on two sides of a lower detection rack to rotate in the same direction by utilizing a motor to drive a columnar material located at a detection station between the two rollers to rotate, so that an AOI two-dimensional code optical detection module accurately positions and identifies an AOI two-dimensional code located on the side surface of the columnar material; secondly, a pushing sliding seat driven by a rodless cylinder seat is arranged in the space of a notch in the bottom of the detection rack, the pushing sliding seat pushes the end of the columnar material in an abutting mode to achieve sorting and discharging of unqualified and inferior-quality products on one side, and finally a guide strip, located at one end of the base, of a mounting seat moves to drive the interior of a bearing frame to overturn by 90 degrees. And qualified finished products are driven to be separated and discharged on the other side through inertia in the overturning process.

Description

Technical Field

[0001] The present invention relates to the technical field of two-dimensional code detection, and in particular to an AOI two-dimensional code size laser detection group. Background Art

[0002] With the advancement of science and technology, in order to ensure that the products produced or purchased can be traced, people usually need to mark the surface of product components with QR codes. In order to ensure that all product components are marked with QR codes that meet the requirements, it is necessary to test the products marked with QR codes.

[0003] However, for some materials (such as columnar wafers), the AOI QR code is located on the side of the columnar material. Traditional optical inspection instruments cannot accurately locate the position of the AOI QR code on the columnar material and cannot recognize it. Traditional manual inspection is inefficient and consumes the physical strength of operators. At the same time, the inspection speed cannot meet the requirements of automated product component production.

[0004] Therefore, in view of this, the existing structural deficiencies are studied and improved, and an AOI two-dimensional code size laser detection group is proposed. Summary of the invention

[0005] The object of the present invention is to provide an AOI two-dimensional code size laser detection group to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an AOI two-dimensional code size laser detection group, including a detection and sorting component, the detection and sorting component includes a detection stand, a rotating shaft, a follower pin, a rodless cylinder seat, a push slide, a bevel gear motor, a bevel gear rod, a pulley, a synchronous belt and a roller, the bottom flange of the detection stand is coaxially connected with the rotating shaft, and the end of the rotating shaft is fixed with a driven pin, the bottom end of the detection stand recess is fixedly installed with a rodless cylinder seat, and the rodless cylinder seat drives the magnetically coupled push slide to slide along the length direction through the piston in the cylinder barrel, the end of the detection stand is fixedly installed with a bevel gear motor, and the output end of the bevel gear motor is meshed with a bevel gear rod, the end of the bevel gear rod is coaxially connected with front and rear pulleys, and the outside of the front and rear pulleys are both sleeved with synchronous belts, the pulleys are rotated with the corresponding rollers through the synchronous belts, and the rollers are symmetrically arranged at two places on both sides of the "V"-shaped positioning groove of the detection stand.

[0007] Furthermore, a mounting seat is provided at the bottom of the detection bench, and bearing frames are fixedly installed on both sides of the end of the mounting seat, and the bearing frames are rotatably matched with the detection bench through a rotating shaft.

[0008] Furthermore, a rack is fixedly mounted on the side end of the mounting seat, and the mounting seat slides along the length direction of the guide bar, and sorting frames are provided at both ends of the guide bar.

[0009] Furthermore, the guide bar is fixedly installed at one end of the base, and a guide plate is fixedly installed in the middle of the base. The guide plate is provided with a "Z"-shaped steering groove along the length direction, and the steering groove is slidably matched with the follower pin.

[0010] Furthermore, a support plate is fixedly mounted on one end of the base, and a processor is fixedly mounted on the end of the support plate. A light source is arranged at the lower end of the processor, and an AOI two-dimensional code optical detection module is arranged at the upper end of the processor.

[0011] Furthermore, a discharge rack is provided at the other end of the base, and there is an angle between the discharge rack and the base, and the discharge rack is fixed to the base through supporting legs and bolts.

[0012] Furthermore, columnar materials are closely arranged inside the discharge rack along the length direction, and AOI two-dimensional codes are set on the sides of the columnar materials, and the columnar materials rotate under the friction force of rollers rotating in the same direction on both sides.

[0013] Furthermore, an intermittent loading assembly is provided at the end of the inclined surface of the discharge rack, and the intermittent loading assembly includes a buffer plate and a ladder. The buffer plate is fixedly connected to the horizontal end of the discharge rack, and the ladder is integrally fixed to the end of the buffer plate. The ladder is a vertical surface on the side facing the discharge rack, and the ladder is an inclined surface on the side facing the detection bench.

[0014] Furthermore, the intermittent feeding assembly also includes a through hole, a wedge and a guide rod. A through hole is opened through the middle of the buffer plate, and a wedge is slidably installed inside the through hole. The ear plates on both sides of the wedge are slidably matched with the corresponding guide rods, and the guide rods are fixedly installed at the bottom end of the discharge rack.

[0015] Furthermore, the intermittent feeding assembly also includes a screw and a gear. The middle part of the inclined wedge is threadedly connected to the screw, and the end of the screw is coaxially fixed with a gear, and the outer edge teeth of the gear are meshed with the rack at the side end of the mounting seat.

[0016] The present invention provides an AOI two-dimensional code size laser detection group, which has the following beneficial effects:

[0017] 1. During the use of the present invention, the present application adopts a reasonable structural design. First, the rollers on both sides of the detection stand driven by a motor rotate in the same direction to drive the columnar material located at the detection station between the two rollers to rotate, so that the AOI two-dimensional code optical detection module can accurately locate and identify the AOI two-dimensional code located on the side of the columnar material. Secondly, the space arrangement of the recess at the bottom of the detection stand is used to arrange the push slide driven by the rodless cylinder seat. The push slide pushes the end of the columnar material to achieve the sorting and discharging of unqualified defective products on one side. Finally, the movement of the guide strip at one end of the base of the mounting seat drives the bearing frame to flip 90 degrees. The inertia during the flipping drives the qualified finished products on the other side to be sorted and discharged, and the sorting is achieved synchronously when the defective products are identified.

[0018] 2. During the use of the present invention, the intermittent feeding component designed according to the structural characteristics of the columnar material coordinates the intermittent feeding of the columnar material with the process of each resetting and detachment of the detection bench, so that during each resetting of the detection bench, the columnar material will be accurately fed to the detection station between the rollers on both sides, and during each detachment of the detection bench, new columnar material will fill the vacant feeding station, thereby realizing the intermittent feeding of the columnar material without the need for an external power source to assist in automation, having a compact structure and strong linkage, and effectively reducing production costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the overall perspective of the device of the present invention;

[0020] Figure 2 This is a schematic diagram of the overall structure of the device of the present invention from a second perspective;

[0021] Figure 3 This is a schematic diagram of the structure of the material discharging rack of the present invention;

[0022] Figure 4 This is a schematic diagram of the intermittent feeding assembly structure of the present invention;

[0023] Figure 5 This is a schematic diagram of the state of pushing and unloading the finished product of the present invention;

[0024] Figure 6 This is a schematic diagram of the dumping state of defective products of the present invention;

[0025] Figure 7 This is a schematic diagram of the structure of the detection and sorting component of the present invention.

[0026] In the figure: 1. Detection and sorting component; 101. Detection stand; 102. Rotating shaft; 103. Follower pin; 104. Rodless cylinder seat; 105. Push slide; 106. Bevel gear motor; 107. Bevel gear rod; 108. Pulley; 109. Synchronous belt; 110. Roller; 2. Mounting seat; 3. Bearing frame; 4. Rack; 5. Guide bar; 6. Sorting frame; 7. Base; 8. Guide plate; 9. Steering groove; 10. Support plate; 11. Processor; 12. Light source; 13. AOI two-dimensional code optical detection module; 14. Discharge rack; 15. Support foot; 16. Columnar material; 17. Intermittent feeding component; 1701. Buffer plate; 1702. Ladder; 1703. Through hole; 1704. Wedge; 1705. Guide rod; 1706. Screw rod; 1707. Gear. DETAILED DESCRIPTION

[0027] The following embodiments of the present invention are described in further detail with reference to the accompanying drawings and examples. The following embodiments are used to illustrate the present invention but are not intended to limit the scope of the present invention.

[0028] See also Figures 1 to 7 The present invention provides a technical solution: an AOI two-dimensional code size laser detection group, including a detection and sorting component 1, the detection and sorting component 1 includes a detection stand 101, a rotating shaft 102, a driven pin 103, a rodless cylinder seat 104, a push slide 105, a bevel gear motor 106, a bevel gear rod 107, a pulley 108, a synchronous belt 109 and a roller 110, the bottom flange of the detection stand 101 is coaxially connected with the rotating shaft 102, and the driven pin 103 is fixed at the end of the rotating shaft 102, and the rodless cylinder seat 104 is fixedly installed at the bottom end of the notch of the detection stand 101, and The rodless cylinder seat 104 drives the magnetically coupled push slide 105 to slide along the length direction through the piston in the cylinder barrel. A bevel gear motor 106 is fixedly installed at the end of the detection stand 101, and the output end of the bevel gear motor 106 is meshed with a bevel gear rod 107 for transmission. The end of the bevel gear rod 107 is coaxially connected with two front and rear pulleys 108, and the front and rear pulleys 108 are both sleeved with synchronous belts 109 on the outside. The pulleys 108 are rotated by the corresponding rollers 110 through the synchronous belts 109, and the rollers 110 are symmetrically arranged at two places on both sides of the "V"-shaped positioning groove of the detection stand 101;

[0029] The specific operation is as follows: the bevel gear motor 106 fixed at the end of the detection stand 101 is activated, and the front and rear pulleys 108 are driven to rotate synchronously under the meshing transmission of the bevel gear motor 106 and the bevel gear rod 107. The pulleys 108 then drive the rollers 110 on both sides of the detection stand 101 to rotate in the same direction through the synchronous belt 109, and the friction force is used to drive the columnar material 16 that falls to the detection station between the rollers 110 on both sides to rotate. The present application uses the slow rotation of the columnar material 16 to allow the AOI two-dimensional code optical detection module 13 to locate the AOI two-dimensional code located on the side of the columnar material 16 and perform size detection, which is used to solve the technical pain point that the AOI two-dimensional code located on the side of the columnar material 16 is difficult to locate and identify in the traditional technology, and improve the detection efficiency by improving the positioning accuracy of the AOI two-dimensional code;

[0030] See also Figure 1 to Figure 2 , a mounting seat 2 is provided at the bottom of the detection bench 101, and bearing frames 3 are fixedly installed on both sides of the end of the mounting seat 2, and the bearing frame 3 is rotatably matched with the detection bench 101 through a rotating shaft 102, a rack 4 is fixedly installed on the side end of the mounting seat 2, and the mounting seat 2 slides along the length direction of the guide bar 5, and a sorting frame 6 is provided at both ends of the guide bar 5, the guide bar 5 is fixedly installed at one end of the base 7, and a guide plate 8 is fixedly installed in the middle of the base 7, the guide plate 8 is provided with a "Z"-shaped structure steering groove 9 along the length direction, and the steering groove 9 is slidably matched with the driven pin 103, a support plate 10 is fixedly installed at one end of the base 7, and a processor 11 is fixedly installed at the end of the support plate 10, a light source 12 is provided at the lower end of the processor 11, and an AOI two-dimensional code optical detection module 13 is provided at the upper end of the processor 11;

[0031] The specific operation is as follows. During the detection process, if the current columnar material 16 AOI two-dimensional code size exceeds the threshold and is an unqualified defective product, the rodless cylinder seat 104 located at the bottom end of the recess of the detection stand 101 drives the magnetically coupled push slide 105 to slide along the length direction through the piston in the cylinder barrel, thereby pushing the unqualified columnar material 16 defective product from the "V"-shaped opening of the detection stand 101 and dropping it to the defective product sorting frame 6 on one side in a directional manner. If the current columnar material 16 AOI two-dimensional code size detection is qualified and is a qualified finished product, the mounting seat 2 moves on the guide strip 5 at one end of the base 7 and leaves the detection station. During the process of the driven pin 103 moving on the "Z"-shaped turning groove 9 on the guide plate 8 in the middle of the base 7, the detection stand 101 is driven to flip 90 degrees in the bearing frame 3 at the end of the mounting seat 2, and the inertia during the flipping is used to make the qualified columnar material 16 separate from the rollers 110 on both sides and fall to the finished product sorting frame 6 on the other side. , to realize the sorting and collection of qualified and defective columnar materials 16, and to realize the automatic loading of columnar materials 16 to form a closed loop of the program in the process of resetting the subsequent detection step. The present application adopts a reasonable structural design. First, the rollers 110 on both sides of the lower detection stand 101 are driven by a motor to rotate in the same direction to drive the columnar material 16 located at the detection station between the two rollers to rotate, so that the AOI two-dimensional code optical detection module 13 can accurately locate and identify the AOI two-dimensional code located on the side of the columnar material 16. Secondly, the pushing slide 105 driven by the rodless cylinder seat 104 is arranged in the space of the recess at the bottom of the detection stand 101. The pushing slide 105 pushes the end of the columnar material 16 to realize the sorting and discharging of unqualified defective products on one side. Finally, the movement of the guide bar 5 at one end of the base 7 of the mounting seat 2 drives the bearing frame 3 to flip 90 degrees, and the inertia during the flipping drives the sorting and discharging of qualified finished products on the other side, and the sorting is realized synchronously when the defective products are identified.

[0032] See also Figure 3 to Figure 4, a discharging rack 14 is provided at the other end of the base 7, and there is an angle between the discharging rack 14 and the base 7, and the discharging rack 14 is bolted to the base 7 through the supporting legs 15, columnar materials 16 are closely arranged inside the discharging rack 14 along the length direction, and an AOI two-dimensional code is provided on the side of the columnar material 16, and the columnar material 16 rotates under the friction of the rollers 110 rotating in the same direction on both sides, and an intermittent feeding component 17 is provided at the end of the inclined surface of the discharging rack 14, and the intermittent feeding component 17 includes a buffer plate 1701 and a ladder 1702, the buffer plate 1701 is fixedly connected to the horizontal end of the discharging rack 14, and the end of the buffer plate 1701 is integrally fixed with a ladder 1702, and the ladder 1702 faces the side of the discharging rack 14. The intermittent feeding assembly 17 also includes a through hole 1703, an inclined wedge 1704 and a guide rod 1705. The middle of the buffer plate 1701 is provided with a through hole 1703, and the through hole 1703 is slidably installed with an inclined wedge 1704. The ear plates on both sides of the inclined wedge 1704 are slidably matched with the corresponding guide rod 1705, and the guide rod 1705 is fixedly installed at the bottom end of the discharge rack 14. The intermittent feeding assembly 17 also includes a screw rod 1706 and a gear 1707. The middle of the inclined wedge 1704 is threadedly connected with the screw rod 1706, and the end of the screw rod 1706 is coaxially fixed with a gear 1707, and the outer edge gear teeth of the gear 1707 are meshed with the rack 4 at the side end of the mounting seat 2.

[0033] The specific operation is as follows. When the mounting seat 2 is located on the guide bar 5 at one end of the base 7 and moves back and forth, the rack 4 on the side of the mounting seat 2 and the coaxial gear 1707 at the root of the screw rod 1706 are intermittently meshed during each resetting and disengagement of the detection stand 101, and then the screw rod 1706 and the threaded seat at the root of the wedge 1704 are matched to drive the hollow wedge 1704 to intermittently rise and fall in the through hole 1703 opened on the buffer plate 1701, so that the columnar material 16 originally abutting against one side of the vertical surface of the ladder 1702 is lifted and falls through the inclined surface on the other side of the ladder 1702 to the detection station between the rollers 110 on both sides of the detection stand 101, and the subsequent columnar material 16 is lifted and falls through the inclined surface on the other side of the ladder 1702 to the detection station between the rollers 110 on both sides of the detection stand 101. The material 16 falls from the discharge rack 14 under the action of gravity and fills the vacant loading station. The intermittent loading component 17 designed in this application according to the structural characteristics of the columnar material 16 coordinates the intermittent loading of the columnar material 16 with the process of each resetting and separation of the detection bench 101, so that during each resetting of the detection bench 101, the columnar material 16 will be accurately loaded to the detection station between the rollers 110 on both sides, and during each separation of the detection bench 101, new columnar material 16 will fill the vacant loading station, thereby realizing the intermittent loading of the columnar material 16 without the need for an external power source to assist in automation, with a compact structure and strong linkage, effectively reducing production costs.

[0034] In summary, when the AOI two-dimensional code size laser detection group is used, when the mounting seat 2 is located on the guide bar 5 at one end of the base 7 and moves back and forth, the rack 4 on the side of the mounting seat 2 and the coaxial gear 1707 at the root of the screw rod 1706 are intermittently meshed during each resetting and disengagement of the detection stand 101, and then the threaded cooperation between the screw rod 1706 and the threaded seat at the root of the wedge 1704 drives the hollow wedge 1704 to intermittently rise and fall in the through hole 1703 opened on the buffer plate 1701, so that the columnar material 16 originally abutting against one side of the vertical surface of the step platform 1702 is lifted and falls through the inclined surface on the other side of the step platform 1702 to the detection station between the rollers 110 on both sides of the detection stand 101, and the subsequent columnar material 16 is in The intermittent feeding station 17 designed by the present application according to the structural characteristics of the columnar material 16 falls from the discharge rack 14 under the action of gravity and fills the vacant feeding station. The intermittent feeding component 17 of the present application coordinates the intermittent feeding of the columnar material 16 with the process of each resetting and separation of the detection bench 101, so that during each resetting process of the detection bench 101, the columnar material 16 will be accurately fed to the detection station between the rollers 110 on both sides, and during each separation process of the detection bench 101, new columnar material 16 will fill the vacant feeding station, so that the intermittent feeding of the columnar material 16 is realized without the need for an external power source to assist in automation. The structure is compact and the linkage is strong, which effectively reduces the production cost. The bevel gear motor 106 fixed at the end of the detection bench 101 is activated, and The meshing transmission of the gear motor 106 and the bevel gear rod 107 drives the front and rear pulleys 108 to rotate synchronously, and the pulleys 108 then drive the rollers 110 on both sides of the detection stand 101 to rotate in the same direction through the synchronous belt 109, and use the friction force to drive the columnar material 16 that falls to the detection station between the rollers 110 on both sides to rotate. The present application uses the slow rotation of the columnar material 16 to allow the AOI two-dimensional code optical detection module 13 to locate the AOI two-dimensional code located on the side of the columnar material 16 and perform size detection, which is used to solve the technical pain point that the AOI two-dimensional code located on the side of the columnar material 16 in the traditional technology is difficult to locate and identify, and improves the detection efficiency by improving the positioning accuracy of the AOI two-dimensional code. During the detection process, if the current columnar material 1 When the AOI two-dimensional code size exceeds the threshold and is an unqualified defective product, the rodless cylinder seat 104 located at the bottom of the notch of the detection stand 101 drives the magnetically coupled push slide 105 to slide along the length direction through the piston in the cylinder, thereby pushing the unqualified columnar material 16 defective product from the "V"-shaped opening of the detection stand 101 and dropping it to the defective product sorting frame 6 on one side. If the current columnar material 16AOI two-dimensional code size inspection is qualified and is a qualified finished product, the mounting seat 2 moves on the guide bar 5 at one end of the base 7 and leaves the detection station. During the movement of the driven pin 103 on the "Z"-shaped steering groove 9 on the guide plate 8 in the middle of the base 7, the detection stand 101 is driven to flip ninety degrees in the bearing frame 3 at the end of the mounting seat 2.By utilizing the inertia during flipping, the qualified columnar material 16 is separated from the rollers 110 on both sides and falls to the finished product sorting frame 6 on the other side, so as to realize the sorting and collection of qualified columnar materials 16 and defective products, and realize the automatic feeding of columnar materials 16 in the subsequent detection step resetting process to form a closed loop of the program. The present application adopts a reasonable structural design, firstly, the rollers 110 on both sides of the lower detection stand 101 are driven by a motor to rotate in the same direction to drive the columnar material 16 located at the detection station between the two rollers to rotate, so that the AOI two-dimensional code optical detection module 1 3 accurately locates and identifies the AOI two-dimensional code on the side of the columnar material 16, and then uses the space of the bottom recess of the detection stand 101 to arrange the push slide 105 driven by the rodless cylinder seat 104, and pushes the end of the columnar material 16 by the push slide 105 to realize the sorting and discharging of unqualified defective products on one side, and finally uses the movement of the guide bar 5 at one end of the base 7 of the mounting seat 2 to drive the bearing frame 3 to flip 90 degrees, and uses the inertia during the flip to drive the sorting and discharging of qualified finished products on the other side, and realizes the sorting synchronously when the defective products are identified.

[0035] The embodiments of the present invention are given for the purpose of illustration and description, and are not intended to be exhaustive or to limit the invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described in order to better illustrate the principles and practical applications of the present invention and to enable those of ordinary skill in the art to understand the present invention and thereby design various implementations with various modifications suitable for specific uses.

Claims

1. An AOI two-dimensional code size laser detection group, comprising a detection and sorting component (1), characterized in that: The detection and sorting assembly (1) comprises a detection stand (101), a rotating shaft (102), a driven pin (103), a rodless cylinder seat (104), a material pushing slide (105), a bevel gear motor (106), a bevel gear rod (107), a pulley (108), a synchronous belt (109) and a roller (110); the bottom flange of the detection stand (101) is coaxially connected with the rotating shaft (102), and the driven pin (103) is fixed to the end of the rotating shaft (102); the rodless cylinder seat (104) is fixedly installed at the bottom end of the recess of the detection stand (101), and the rodless cylinder seat (104) is driven by a piston in the cylinder barrel. The push slide (105) coupled with dynamic magnetic force slides along the length direction, and a bevel gear motor (106) is fixedly installed at the end of the detection platform (101), and the output end of the bevel gear motor (106) is meshed with a bevel gear rod (107) for transmission, and the end of the bevel gear rod (107) is coaxially connected with two front and rear pulleys (108), and the front and rear pulleys (108) are both sleeved with synchronous belts (109) outside, and the pulleys (108) are rotated with corresponding rollers (110) through the synchronous belts (109), and the rollers (110) are symmetrically arranged at two locations on both sides of the "V"-shaped positioning groove of the detection platform (101).

2. The AOI two-dimensional code size laser detection group according to claim 1, characterized in that: The bottom of the detection bench (101) is provided with a mounting seat (2), and bearing frames (3) are fixedly mounted on both sides of the end of the mounting seat (2), and the bearing frames (3) are rotatably matched with the detection bench (101) via a rotating shaft (102).

3. The AOI two-dimensional code size laser detection group according to claim 2, characterized in that: A rack (4) is fixedly mounted on the side end of the mounting seat (2), and the mounting seat (2) slides along the length direction of the guide bar (5), and selection frames (6) are provided at both ends of the guide bar (5).

4. The AOI two-dimensional code size laser detection group according to claim 3, characterized in that: The guide bar (5) is fixedly mounted on one end of the base (7), and a guide plate (8) is fixedly mounted in the middle of the base (7). The guide plate (8) is provided with a "Z"-shaped steering groove (9) along the length direction, and the steering groove (9) is slidably matched with the driven pin (103).

5. The AOI two-dimensional code size laser detection group according to claim 4, characterized in that: A support plate (10) is fixedly mounted on one end of the base (7), and a processor (11) is fixedly mounted on the end of the support plate (10); a light source (12) is arranged at the lower end of the processor (11), and an AOI two-dimensional code optical detection module (13) is arranged at the upper end of the processor (11).

6. The AOI two-dimensional code size laser detection group according to claim 5, characterized in that: A discharge rack (14) is provided at the other end of the base (7), and an angle exists between the discharge rack (14) and the base (7), and the discharge rack (14) is fixed to the base (7) by bolts via supporting legs (15).

7. The AOI two-dimensional code size laser detection group according to claim 6, characterized in that: The columnar material (16) is closely arranged inside the material discharging rack (14) along the length direction, and an AOI two-dimensional code is provided on the side of the columnar material (16). The columnar material (16) rotates under the friction force of the rollers (110) rotating in the same direction on both sides.

8. The AOI two-dimensional code size laser detection group according to claim 7, characterized in that: An intermittent feeding assembly (17) is provided at the end of the inclined surface of the discharge rack (14), and the intermittent feeding assembly (17) comprises a buffer plate (1701) and a ladder (1702), wherein the buffer plate (1701) is fixedly connected to the horizontal end of the discharge rack (14), and the end of the buffer plate (1701) is integrally fixed with the ladder (1702), and the side of the ladder (1702) facing the discharge rack (14) is a vertical surface, and the side of the ladder (1702) facing the detection stand (101) is an inclined surface.

9. The AOI two-dimensional code size laser detection group according to claim 8, characterized in that: The intermittent feeding assembly (17) also includes a through hole (1703), an inclined wedge (1704) and a guide rod (1705); a through hole (1703) is provided through the middle of the buffer plate (1701), and an inclined wedge (1704) is slidably installed inside the through hole (1703); the ear plates on both sides of the inclined wedge (1704) are slidably matched with the corresponding guide rod (1705), and the guide rod (1705) is fixedly installed at the bottom end of the discharge rack (14).

10. The AOI two-dimensional code size laser detection group according to claim 9, characterized in that: The intermittent feeding assembly (17) also includes a screw (1706) and a gear (1707), the middle part of the inclined wedge (1704) is threadedly connected to the screw (1706), and the end of the screw (1706) is coaxially fixed with the gear (1707), and the outer edge teeth of the gear (1707) are meshed with the rack (4) at the side end of the mounting seat (2).

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