Character detection defective product removing device

Abstract

The utility model discloses a defective product rejecting device for character detection, which belongs to the field of assembly line code spraying character detection and is characterized in that the distance between two clamping conveying belts is adjusted by adjusting a bidirectional lead screw so as to adapt to bottles with various bottle body sizes; and the identified products with unqualified character codes are removed through the air tap, so that all the products passing through the production line are ensured to be qualified products. The device mainly comprises a feeding conveying belt, a detection device and a discharging conveying belt, the detection device comprises a rack, clamping conveying belts are symmetrically arranged on the rack through an adjusting mechanism, a CCD camera is installed on the portion, below the adjusting mechanism, of the rack through a fixing frame, and a waste product removing device is arranged on one side of the discharging conveying belt. The bottle character spraying code recognition device is mainly used for recognizing bottle character spraying codes on an assembly line and removing defective products.

Description

Technical Field

[0001] The utility model relates to the field of assembly line code spraying character detection, in particular to a character detection defective product rejection device. Background Art

[0002] Character recognition and error correction are crucial tasks on the production line. Traditional character recognition equipment has some problems, such as a bottleneck date inkjet detection device with announcement number CN214310222U, which uses a guide rod to guide the bottle body that needs to be detected by the character to facilitate the camera to take pictures and identify. Since the guide rod is fixed in position, it cannot adapt to bottles of various sizes, and the use scenarios are limited. Summary of the invention

[0003] The purpose of the utility model is to provide a character detection defective product rejection device, which adjusts the distance between two clamping conveyor belts by adjusting the bidirectional screw to adapt to bottles of various bottle sizes; the products with unqualified character codes that are identified are rejected through the air nozzle to ensure that the products passing through the production line are all qualified products.

[0004] The utility model is realized by the following technical solutions:

[0005] A character detection and defective product rejection device comprises a feed conveyor belt, a detection device and a discharge conveyor belt. The detection device comprises a frame on which clamping conveyor belts are symmetrically arranged through an adjustment mechanism, a CCD camera is installed on the frame below the adjustment mechanism through a fixing frame, and a waste rejection device is arranged on one side of the discharge conveyor belt.

[0006] Furthermore, the adjustment mechanism includes a platform plate arranged on the frame, two sets of slide rails are symmetrically arranged on the platform plate, sliders are slidably arranged on the slide rails, two clamping conveyor belts are respectively arranged on the sliders of the slide rails on the corresponding side, a bidirectional screw is arranged on the platform plate through a screw seat, a left-handed screw nut is arranged at one end of the bidirectional screw, and a right-handed screw nut is arranged at the other end of the bidirectional screw, the clamping conveyor belt on one side is connected with the left-handed screw nut, and the clamping conveyor belt on the other side is connected with the right-handed screw nut, a locking mechanism is also provided on the frame, and a rotating handle is provided at the end of the bidirectional screw.

[0007] Furthermore, the locking mechanism includes a clamping ring and an eccentric locking handle, the clamping ring is arranged on the frame, and the clamping ring is fastened by the eccentric locking handle.

[0008] Furthermore, an arc cover is installed on the platform plate through a mounting plate frame, and the center of the bottom of the arc cover is opened, and the CCD camera takes pictures and recognizes through the opening.

[0009] Furthermore, the waste rejection device is an air nozzle, which is connected to the solenoid valve, and the solenoid valve is connected to the air source; a defective product collection box is also placed on the side of the discharge conveyor belt, and the waste rejection device is installed on the side of the discharge conveyor belt through a height adjustment device.

[0010] Furthermore, the height adjustment device includes a base and an air nozzle mounting rod, the air nozzle is mounted on the air nozzle mounting rod, the base is mounted on the side of the discharge conveyor belt by bolts, a long hole is provided on the air nozzle mounting rod, a threaded hole is provided on the base, and the long hole and the threaded hole are fastened by bolts.

[0011] Furthermore, a protective cover is provided outside the detection device, and the protective cover is installed on the frame.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The distance between the two clamping conveyor belts can be adjusted by adjusting the bidirectional screw to adapt to bottles of various sizes. It has strong adaptability and improves production efficiency.

[0014] 2. Products with unqualified character codes are removed through the air nozzle to ensure that all products passing through the production line are qualified, thereby improving product quality and customer satisfaction.

[0015] 3. It can quickly collect graphics and read and decode, reducing the dwell time on the production line and improving processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the utility model;

[0017] Figure 2 It is a setting diagram of the clamping conveyor belt of the utility model;

[0018] Figure 3 It is a structural schematic diagram of the regulating mechanism of the utility model;

[0019] Figure 4 It is a schematic diagram of the installation of the CCD camera of the utility model;

[0020] Figure 5 It is a structural schematic diagram of the locking mechanism of the utility model;

[0021] Figure 6 It is a structural schematic diagram of the arc cover of the utility model;

[0022] Figure 7 It is a structural schematic diagram of the height adjustment device of the utility model.

[0023] In the figure: 1. Discharge conveyor belt; 2. Scrap rejection device; 3. Feed conveyor belt; 4. Protective cover; 5. Defective product collection box; 6. Clamping conveyor belt; 7. Slide rail; 8. Slider; 9. Bidirectional lead screw; 10. Locking mechanism; 11. Rotating handle; 12. Rack; 13. CCD camera; 14. Mounting plate rack; 15. Arc cover; 16. Clamp ring clamp; 17. Eccentric locking handle; 18. Lead screw seat; 19. Air nozzle mounting rod; 20. Base. DETAILED DESCRIPTION

[0024] The utility model is further described below in conjunction with the accompanying drawings.

[0025] like Figure 1 – Figure 7 As shown, embodiment 1, a character detection and defective product rejection device, includes a feed conveyor belt 3, a detection device and a discharge conveyor belt 1, the detection device includes a frame 12, a clamping conveyor belt 6 is symmetrically provided on the frame 12 through an adjustment mechanism, a CCD camera 13 is installed on the frame 12 below the adjustment mechanism through a fixed frame, and a waste rejection device 2 is provided on one side of the discharge conveyor belt 1.

[0026] Embodiment 2, a character detection defective product rejection device, the adjustment mechanism includes a platform plate arranged on a frame 12, two sets of slide rails 7 are symmetrically arranged on the platform plate, sliders 8 are slidably arranged on the slide rails 7, two clamping conveyor belts 6 are respectively arranged on the sliders 8 of the slide rails 7 on the corresponding side, a bidirectional screw 9 is arranged on the platform plate through a screw seat 18, a left-handed screw nut is arranged at one end of the bidirectional screw 9, and a right-handed screw nut is arranged at the other end of the bidirectional screw 9, the clamping conveyor belt 6 on one side is connected with the left-handed screw nut, and the clamping conveyor belt 6 on the other side is connected with the right-handed screw nut, a locking mechanism 10 is also provided on the frame 12, and a rotating handle 11 is provided at the end of the bidirectional screw 9; the locking mechanism 10 includes a clamp ring 16 and an eccentric locking handle 17, the clamp ring 16 is arranged on the frame 12, and the clamp ring 16 is fastened by the eccentric locking handle 17; the platform plate is installed by The plate frame 14 is installed with an arc cover 15, and the bottom center of the arc cover 15 is opened. The CCD camera 13 takes pictures and recognizes through the opening. The arc cover 15 helps the camera focus and is convenient for identifying the character code on the bottom of the bottle; the waste rejection device 2 is an air nozzle, which is connected to the solenoid valve, and the solenoid valve is connected to the air source; a defective product collection box 5 is also placed on the side of the discharge conveyor belt 1, and the waste rejection device is installed on the side of the discharge conveyor belt 1 through a height adjustment device; the height adjustment device includes a base 20 and an air nozzle mounting rod 19, the air nozzle is installed on the air nozzle mounting rod 19, the base 20 is installed on the side of the discharge conveyor belt 1 by bolts, the air nozzle mounting rod 19 is provided with a long hole, the base 20 is provided with a threaded hole, and the long hole and the threaded hole are fastened by bolts; a protective cover 4 is provided on the outside of the detection device, and the protective cover 4 is installed on the frame 12, and the rest is the same as Example 1.

[0027] According to the size of the bottle to be identified, the rotating handle 11 is turned, and the bidirectional screw 9 is turned, thereby adjusting the spacing between the clamping conveyor belts 6 on both sides to achieve the purpose of clamping the bottle body; the installation position of the air nozzle mounting rod 19 relative to the base 20 is adjusted through the long hole, thereby adjusting the height of the air nozzle to adapt to the size of the bottle body. Tighten the eccentric locking handle 17 to lock the bidirectional screw 9. The bottle to be inspected enters the clamping conveyor belt 6 through the feeding conveyor belt 3, and the bottle is transferred to the top of the arc cover 15 by the clamping conveyor belts 6 on both sides. The CCD camera 13 takes a picture, and the image data is transmitted to the PLC. The PLC determines the clarity of the character code to facilitate the removal of defective products; the identified bottle is transferred to the discharging conveyor belt 1 by the clamping conveyor belt 6, and the PLC controls the on and off of the solenoid valve, and the air nozzle works to blow the identified defective products to the defective product collection box 5 on one side.

Claims

1. A character detection and defective product rejection device, comprising a feed conveyor belt (3), a detection device and a discharge conveyor belt (1), characterized in that: The detection device comprises a frame (12), a clamping conveyor belt (6) is symmetrically arranged on the frame (12) via an adjustment mechanism, a CCD camera (13) is installed on the frame (12) below the adjustment mechanism via a fixing frame, and a waste rejection device (2) is arranged on one side of the discharge conveyor belt (1).

2. The character detection and defective product rejection device according to claim 1, characterized in that: The adjustment mechanism comprises a platform plate arranged on a frame (12), two sets of slide rails (7) are symmetrically arranged on the platform plate, a slider (8) is slidably arranged on the slide rail (7), two clamping conveyor belts (6) are respectively arranged on the sliders (8) of the slide rails (7) on the corresponding side, a bidirectional lead screw (9) is arranged on the platform plate through a lead screw seat (18), one end of the bidirectional lead screw (9) is provided with a left-handed lead screw nut, and the other end of the bidirectional lead screw (9) is provided with a right-handed lead screw nut, the clamping conveyor belt (6) on one side is connected to the left-handed lead screw nut, and the clamping conveyor belt (6) on the other side is connected to the right-handed lead screw nut, a locking mechanism (10) is also arranged on the frame (12), and a rotating handle (11) is arranged at the end of the bidirectional lead screw (9).

3. The character detection and defective product rejection device according to claim 2, characterized in that: The locking mechanism (10) comprises a clamp (16) and an eccentric locking handle (17); the clamp (16) is arranged on the frame (12); and the clamp (16) is fastened by the eccentric locking handle (17).

4. The character detection and defective product rejection device according to claim 2, characterized in that: An arc-shaped cover (15) is installed on the platform plate via a mounting plate frame (14); the arc-shaped cover (15) has an opening at the bottom center, and a CCD camera (13) performs photo recognition through the opening.

5. The character detection and defective product rejection device according to claim 1, characterized in that: The waste rejection device (2) is an air nozzle, which is connected to a solenoid valve, and the solenoid valve is connected to an air source; a defective product collection box (5) is also placed on the side of the discharge conveyor belt (1), and the waste rejection device is installed on the side of the discharge conveyor belt (1) through a height adjustment device.

6. The character detection and defective product rejection device according to claim 5, characterized in that: The height adjustment device comprises a base (20) and an air nozzle mounting rod (19), the air nozzle is mounted on the air nozzle mounting rod (19), the base (20) is mounted on the side of the discharge conveyor belt (1) by means of bolts, a long hole is provided on the air nozzle mounting rod (19), a threaded hole is provided on the base (20), and the long hole and the threaded hole are fastened by means of bolts.

7. The character detection and defective product rejection device according to claim 1, characterized in that: A protective cover (4) is provided outside the detection device, and the protective cover (4) is installed on the frame (12).

Images