A plastic bottle defect detection machine

Abstract

The utility model discloses a plastic bottle defect detection machine, and relates to the technical field of plastic bottle defect detection machines, and specifically to the plastic bottle defect detection machine, comprising a frame, a transmission shaft is rotatably connected to the frame, a conveyor belt is fixedly installed on the transmission shaft, a driving motor is fixedly installed on the front of the frame, a monitoring mechanism is arranged on the top of the frame, a first support plate and a second support plate are fixedly connected to the top of the frame, a rejection mechanism is arranged on the first support plate and the second support plate, an air box is fixedly installed on the back of the frame, an air jet mechanism is arranged on the air box, a support frame is fixedly installed on the top of the frame, an electric push rod is fixedly installed on the bottom of the support frame, a connecting block is fixedly connected to the end of the electric push rod, a position sensor and a sealing head are fixedly installed on the bottom of the connecting block, a second controller is fixedly installed on the back of the support frame, the conveying mechanism can perform batch detection at the same time, and the rejection mechanism can classify and reject unqualified products.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic bottle defect detection machines, in particular to a plastic bottle defect detection machine. Background Art

[0002] Plastic bottles are mainly made of materials such as polyethylene or polypropylene and added with a variety of organic solvents. Plastic bottles widely use polyester (PET), polyethylene (PE), and polypropylene (PP) as raw materials. After adding corresponding organic solvents, they are heated at high temperature and then blow molded, extruded, or injection molded through plastic molds. They are mainly used for liquid or solid disposable plastic packaging containers such as beverages, foods, pickles, honey, dried fruits, edible oils, pesticides and veterinary drugs. Plastic bottles are not easy to break, low cost, high transparency, and food-grade raw materials.

[0003] An automatic detection device for plastic bottle blanks is disclosed in the Chinese utility model patent application disclosure CN219957321U. Although the automatic detection device for plastic bottle blanks has the advantages of all-round detection without blind spots, high detection efficiency, and improved device stability, the automatic detection device for plastic bottle blanks still has disadvantages: first, the automatic detection device for plastic bottle blanks can only detect a single bottle body during detection. In actual use, workers still need to manually install the bottle body before detection, and the overall detection efficiency is not high; second, the automatic detection device for plastic bottle blanks does not have an automatic rejection mechanism for inferior products. In actual use, it may be necessary to manually separate inferior products, which will reduce efficiency a lot and cannot achieve rapid detection. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a plastic bottle defect detection machine, which solves the problems raised in the above background technology.

[0005] To achieve the above objectives, the utility model is implemented through the following technical solutions: a plastic bottle defect detection machine, comprising a frame, a transmission shaft is rotatably connected to the frame, a conveyor belt is fixedly installed on the transmission shaft, a driving motor is fixedly installed on the front of the frame, a mounting plate and a mounting column are fixedly installed on the top of the frame, a reflector is fixedly installed on the side of the mounting plate, a first controller is fixedly installed on the back of the mounting plate, a first photoelectric sensor is fixedly installed on the top of the mounting plate, a monitoring mechanism is provided on the mounting plate and the mounting column, and a first support plate and a second A support plate, the first support plate and the second support plate are both provided with a rejection mechanism, an air box is fixedly installed on the back of the frame, an air jet mechanism is arranged on the air box, a support frame is fixedly installed on the top of the frame, an electric push rod is fixedly installed on the bottom of the support frame, a connecting block is fixedly connected to the end of the electric push rod, a position sensor and a sealing head are fixedly installed on the bottom of the connecting block, an air pressure detector is fixedly installed on the top of the support frame, a second controller is fixedly installed on the back of the support frame, a first storage box and a second storage box are fixedly installed on the front of the frame, and a placement seat is arranged on the conveyor belt.

[0006] Optionally, the transmission shaft is symmetrically arranged on the left and right, the conveyor belt is fixedly installed between the two transmission shafts, the end of the left transmission shaft is fixedly connected to the output end of the driving motor, the mounting plate and the mounting column are arranged front and back, and the mounting column is arranged on the left and right.

[0007] Optionally, the monitoring mechanism includes a mounting block, a first rotating column, a first camera, a second rotating column, a second camera and a second photoelectric sensor, the mounting block is fixedly mounted on the front side of the mounting plate, the first rotating column is fixedly mounted on the mounting block, and the first camera is rotatably connected to the first rotating column.

[0008] Optionally, the mounting column is L-shaped, and there are two second rotating columns, two second cameras and two second photoelectric sensors. The two second rotating columns are respectively fixedly mounted on the two mounting columns, the two second cameras are respectively rotatably connected to the two second rotating columns, and the two second photoelectric sensors are respectively fixedly mounted on the top of the two second mounting columns.

[0009] Optionally, the rejection mechanism includes a first nozzle head, a first electromagnetic air closing valve, a second nozzle head and a second electromagnetic air closing valve, the first nozzle head and the second nozzle head are respectively fixedly mounted on the front sides of the first support plate and the second support plate, and the first electromagnetic air closing valve and the second electromagnetic air closing valve are respectively fixedly mounted on the back sides of the first support plate and the second support plate.

[0010] Optionally, the jet mechanism includes a first air pump, a first air duct, a second air pump and a second air duct. The first air pump is fixedly mounted on the back of the air box. The first air duct is divided into three ends which are respectively fixedly mounted on the first air pump, the first jet head and the second jet head. The second air pump is fixedly mounted on the top of the air box. The two ends of the second air duct are respectively fixedly mounted on the second air pump and the connecting block.

[0011] Optionally, the first controller is electrically connected to the first photoelectric sensor, the second photoelectric sensor, and the first electromagnetic air closing valve; the second controller is electrically connected to the drive motor, the second electromagnetic air closing valve, the electric push rod, the position sensor, and the air pressure sensor; the first storage box and the second storage box correspond to the first nozzle and the second nozzle, respectively; and a placement groove is provided on the placement seat. Beneficial Effects

[0012] The utility model provides a plastic bottle defect detection machine, which has the following beneficial effects:

[0013] 1. The plastic bottle defect detection machine, through the setting of the storage box, makes it convenient to classify and collect different types of inferior products. Through the coordinated setting of the controller and the nozzle, unqualified products can be removed during use, thereby facilitating subsequent processing and achieving the purpose of improving work efficiency.

[0014] 2. The plastic bottle defect detection machine, through the setting of the placement seat, has the effect of limiting the position of plastic bottles during transportation. Through the coordinated setting of the driving motor and the conveyor belt, the plastic bottles can be transported and inspected in batches during use, thereby playing the role of automatic multiple inspections and achieving the purpose of improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the three-dimensional structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the main view structure of the utility model;

[0018] Figure 4 It is a schematic diagram of the structure of the utility model in a top view;

[0019] Figure 5 It is a side view structural schematic diagram of the utility model.

[0020] In the figure: 1, frame; 2, transmission shaft; 3, conveyor belt; 4, driving motor; 5, mounting plate; 6, mounting column; 7, reflector; 8, first controller; 9, first photoelectric sensor; 10, mounting block; 11, first rotating column; 12, first camera; 13, second rotating column; 14, second camera; 15, second photoelectric sensor; 16, first supporting plate; 17, second supporting plate; 18, first jet head; 19, first electromagnetic air closing valve; 20, second jet head; 21, second electromagnetic air closing valve; 22, air box; 23, first air pump; 24, first air duct; 25, second air pump; 26, second air duct; 27, supporting frame; 28, electric push rod; 29, connecting block; 30, position sensor; 31, sealing head; 32, air pressure detector; 33, second controller; 34, first storage box; 35, second storage box; 36, placement seat; 37, placement slot. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments. Example 1

[0022] See also Figures 1 to 5The utility model provides a technical solution: a plastic bottle defect detection machine, including a frame 1, a transmission shaft 2 is rotatably connected to the frame 1, a conveyor belt 3 is fixedly installed on the transmission shaft 2, a driving motor 4 is fixedly installed on the front of the frame 1, a mounting plate 5 and a mounting column 6 are fixedly installed on the top of the frame 1, the transmission shaft 2 is symmetrically arranged on the left and right, the conveyor belt 3 is fixedly installed between the two transmission shafts 2, the end of the left transmission shaft 2 is fixedly connected to the output end of the driving motor 4, the mounting plate 5 and the mounting column 6 are arranged front and back, the mounting column 6 is arranged on the left and right, a reflector 7 is fixedly installed on the side of the mounting plate 5, a first controller 8 is fixedly installed on the back of the mounting plate 5, and the top of the mounting plate 5 A first photoelectric sensor 9 is fixedly installed, and a monitoring mechanism is provided on the mounting plate 5 and the mounting column 6. The monitoring mechanism includes a mounting block 10, a first rotating column 11, a first camera 12, a second rotating column 13, a second camera 14 and a second photoelectric sensor 15. The mounting block 10 is fixedly installed on the front of the mounting plate 5, the first rotating column 11 is fixedly installed on the mounting block 10, the first camera 12 is rotatably connected to the first rotating column 11, the mounting column 6 is L-shaped, the second rotating column 13, the second camera 14 and the second photoelectric sensor 15 are all two, the two second rotating columns 13 are respectively fixedly installed on the two mounting columns 6, and the two second cameras 14 are respectively rotatably connected to the two On the second rotating column 13, two second photoelectric sensors 15 are respectively fixedly installed on the tops of the two second mounting columns 6. The setting of the monitoring mechanism can perform all-round detection of the plastic bottle body. The top of the frame 1 is fixedly connected with the first support plate 16 and the second support plate 17. The top of the frame 1 is fixedly installed with a support frame 27, and the bottom of the support frame 27 is fixedly installed with an electric push rod 28. The end of the electric push rod 28 is fixedly connected with a connecting block 29, and the bottom of the connecting block 29 is fixedly installed with a position sensor 30 and a sealing head 31. The top of the support frame 27 is fixedly installed with an air pressure detector 32, and the back of the support frame 27 is fixedly installed with a second controller 33. The front of the frame 1 is fixedly installed A first storage box 34 and a second storage box 35 are installed. The first controller 8 is electrically connected to the first photoelectric sensor 9, the second photoelectric sensor 15, and the first electromagnetic air closing valve 19. The second controller 33 is electrically connected to the drive motor 4, the second electromagnetic air closing valve 21, the electric push rod 28, the position sensor 30 and the air pressure detector 32. The first storage box 34 and the second storage box 35 correspond to the first nozzle 18 and the second nozzle 20 respectively. A placement groove 37 is provided on the placement seat 36. The placement seat 36 cooperates with the placement groove 37 to limit the plastic bottle body to a certain extent, which is more convenient to operate during detection. A placement seat 36 is provided on the conveyor belt 3.

[0023] When using the plastic bottle defect detection machine, first start the driving motor 4 to drive the transmission shaft 2 and the conveyor belt 3 to start rotating, then place the placement seat 36 on the conveyor belt 3 and place the plastic bottle inside the placement slot 37, then the conveyor belt 3 transports the plastic bottle body to the first camera 12 and the second camera 14 for inspection, and performs reflective processing through the reflector 7. If it is qualified, it can continue to be transported forward. If there are defects such as black spots and bubbles, when the plastic bottle body passes through the first nozzle 18, it will be back-blown and sent to the inside of the first storage box 34. When the plastic bottle is transported to the bottom of the position sensor 30, a signal can be transmitted to the second controller 33 to turn off the driving motor 4. The conveyor belt 3 stops running, and then the second controller 33 controls the electric push rod 28 to drive the sealing head 31 to move downward until it is inserted into the plastic bottle body. Then the second air pump 25 is started to transport gas to the inside of the connecting block 29 through the second air duct 26, and then the gas is transported to the inside of the bottle body through the sealing head 31. If it is qualified, the sealing head 31 will be folded up and continued to be transported to the next process. If it is an unqualified product, it will be blown into the inside of the second storage box 35 when passing through the second nozzle 20. The first storage box 34 and the second storage box 35 can collect plastic bottles with different defective types, which is more convenient for subsequent recycling. It is very convenient to use and simple to operate. Example 2

[0024] See also Figures 1 to 5 The utility model provides a technical solution: a plastic bottle defect detection machine, a first support plate 16 and a second support plate 17 are both provided with a rejection mechanism, the rejection mechanism includes a first nozzle 18, a first electromagnetic air closing valve 19, a second nozzle 20 and a second electromagnetic air closing valve 21, the first nozzle 18 and the second nozzle 20 are respectively fixedly mounted on the front of the first support plate 16 and the second support plate 17, the first electromagnetic air closing valve 19 and the second electromagnetic air closing valve 21 are respectively fixedly mounted on the back of the first support plate 16 and the second support plate 17, the setting of the rejection mechanism can automatically reject unqualified products, and can classify and reject more To facilitate subsequent recycling, an air box 22 is fixedly installed on the back of the frame 1, and an injection mechanism is arranged on the air box 22, and the injection mechanism includes a first air pump 23, a first air guide pipe 24, a second air pump 25 and a second air guide pipe 26. The first air pump 23 is fixedly installed on the back of the air box 22, and the first air guide pipe 24 is divided into three ends which are respectively fixedly installed on the first air pump 23, the first injection head 18 and the second injection head 20, the second air pump 25 is fixedly installed on the top of the air box 22, and the two ends of the second air guide pipe 26 are respectively fixedly installed on the second air pump 25 and the connecting block 29. The setting of the injection mechanism is convenient for detecting whether there is a gap in the plastic bottle body.

[0025] When using the plastic bottle defect detection machine, if defects such as black spots and bubbles appear, the light reflected by the reflector 7 will change. At this time, the first photoelectric sensor 9 and the second photoelectric sensor 15 receive different light signals, and will transmit a signal to the first controller 8 to control the first electromagnetic air-closing valve 19 to open, and the gas is transported to the first nozzle 18 through the first air pump 23 and the first air guide pipe 24 to spray. When the defective bottle body passes by, it can be blown into the first storage box 34, and then the first electromagnetic air-closing valve 19 is automatically closed to ensure that the delivery of qualified products is not affected. If a damaged unqualified product appears, the air pressure inside the bottle body will not reach the critical value of the air pressure detector 32. At this time, when the sealing head 31 is generated and transported backward, the air pressure detector 32 transmits a signal to the second controller 33 to open the second electromagnetic air-closing valve 21, and the gas is transported to the second nozzle 20 through the first air guide pipe 24 to blow the unqualified products into the second storage box 35, and then the second electromagnetic air-closing valve 21 is automatically closed. It is very convenient to use and simple to operate.

[0026] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A plastic bottle defect detection machine, comprising a frame (1), characterized in that: The frame (1) is rotatably connected to a transmission shaft (2), a conveyor belt (3) is fixedly mounted on the transmission shaft (2), a driving motor (4) is fixedly mounted on the front of the frame (1), a mounting plate (5) and a mounting column (6) are fixedly mounted on the top of the frame (1), a reflector (7) is fixedly mounted on the side of the mounting plate (5), a first controller (8) is fixedly mounted on the back of the mounting plate (5), a first photoelectric sensor (9) is fixedly mounted on the top of the mounting plate (5), a monitoring mechanism is provided on both the mounting plate (5) and the mounting column (6), a first support plate (16) and a second support plate (17) are fixedly connected to the top of the frame (1), and a rejection mechanism is provided on both the first support plate (16) and the second support plate (17). An air box (22) is fixedly mounted on the back of the frame (1), and an air jet mechanism is arranged on the air box (22); a support frame (27) is fixedly mounted on the top of the frame (1); an electric push rod (28) is fixedly mounted on the bottom of the support frame (27); a connecting block (29) is fixedly connected to the end of the electric push rod (28); a position sensor (30) and a sealing head (31) are fixedly mounted on the bottom of the connecting block (29); an air pressure detector (32) is fixedly mounted on the top of the support frame (27); a second controller (33) is fixedly mounted on the back of the support frame (27); a first storage box (34) and a second storage box (35) are fixedly mounted on the front of the frame (1); and a placement seat (36) is arranged on the conveyor belt (3).

2. A plastic bottle defect detection machine according to claim 1, characterized in that: The transmission shaft (2) is symmetrically arranged on the left and right sides, the conveyor belt (3) is fixedly installed between the two transmission shafts (2), the end of the left transmission shaft (2) is fixedly connected to the output end of the drive motor (4), the mounting plate (5) and the mounting column (6) are arranged front and back, and the mounting column (6) is arranged on the left and right sides.

3. A plastic bottle defect detection machine according to claim 1, characterized in that: The monitoring mechanism comprises a mounting block (10), a first rotating column (11), a first camera (12), a second rotating column (13), a second camera (14) and a second photoelectric sensor (15); the mounting block (10) is fixedly mounted on the front side of the mounting plate (5); the first rotating column (11) is fixedly mounted on the mounting block (10); and the first camera (12) is rotatably connected to the first rotating column (11).

4. A plastic bottle defect detection machine according to claim 3, characterized in that: The mounting column (6) is L-shaped, and the second rotating column (13), the second camera (14) and the second photoelectric sensor (15) are each two, the two second rotating columns (13) are respectively fixedly mounted on the two mounting columns (6), the two second cameras (14) are respectively rotatably connected to the two second rotating columns (13), and the two second photoelectric sensors (15) are respectively fixedly mounted on the tops of the two second mounting columns (6).

5. A plastic bottle defect detection machine according to claim 1, characterized in that: The rejection mechanism comprises a first nozzle (18), a first electromagnetic air-closing valve (19), a second nozzle (20) and a second electromagnetic air-closing valve (21); the first nozzle (18) and the second nozzle (20) are respectively fixedly mounted on the front side of the first support plate (16) and the second support plate (17); the first electromagnetic air-closing valve (19) and the second electromagnetic air-closing valve (21) are respectively fixedly mounted on the back side of the first support plate (16) and the second support plate (17).

6. A plastic bottle defect detection machine according to claim 1, characterized in that: The jet mechanism comprises a first air pump (23), a first air guide pipe (24), a second air pump (25) and a second air guide pipe (26); the first air pump (23) is fixedly mounted on the back of the air box (22); the first air guide pipe (24) is divided into three ends which are respectively fixedly mounted on the first air pump (23) and the first jet head (18) and the second jet head (20); the second air pump (25) is fixedly mounted on the top of the air box (22); and the two ends of the second air guide pipe (26) are respectively fixedly mounted on the second air pump (25) and the connecting block (29).

7. A plastic bottle defect detection machine according to claim 1, characterized in that: The first controller (8) is electrically connected to the first photoelectric sensor (9), the second photoelectric sensor (15), and the first electromagnetic air-closing valve (19); the second controller (33) is electrically connected to the driving motor (4), the second electromagnetic air-closing valve (21), the electric push rod (28), the position sensor (30), and the air pressure detector (32); the first storage box (34) and the second storage box (35) correspond to the first nozzle (18) and the second nozzle (20), respectively; and a placement groove (37) is provided on the placement seat (36).

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