Self-rotating multi-station carrying conveyor for glass bottle appearance detection

Abstract

This invention relates to the field of glass bottle inspection equipment technology, and discloses a multi-station rotating conveyor for glass bottle appearance inspection. The invention provides such a multi-station rotating conveyor for glass bottle appearance inspection, comprising: a frame, a circulating chain conveyor mechanism, multiple rotating bottle-bearing mechanisms, a rotation drive mechanism, bottle body appearance inspection stations, and bottle mouth appearance inspection stations. The multiple rotating bottle-bearing mechanisms are mounted on a closed-loop chain assembly and circulate with the closed-loop chain assembly. In this invention, the operating speed of the rotation drive mechanism can be adjusted independently of the conveying speed of the closed-loop chain assembly, thereby adapting to different specifications of glass bottles and different inspection requirements, improving the inspection coverage, image acquisition quality, and production line adaptability.

Description

Technical Field

[0001] This invention relates to the field of glass bottle inspection equipment technology, and in particular to a self-rotating multi-station carrying and conveying device for glass bottle appearance inspection. Background Technology

[0002] Glass bottles are commonly used packaging containers in the food, beverage, pharmaceutical, and daily chemical product industries. During their production, the appearance quality of the bottles usually needs to be inspected to ensure that the products meet the usage requirements. Therefore, appearance inspection equipment needs to be installed on the production line to conduct online inspection of glass bottles.

[0003] Existing glass bottle appearance inspection equipment typically uses a conveyor mechanism to transport glass bottles to the inspection area and an industrial camera to capture images of the bottle body or neck area. Since glass bottles are usually cylindrical or rotating, when the bottle is transported in a fixed posture, only a limited area can be captured in a single inspection direction, making it difficult to achieve complete inspection of the bottle's circumferential surface. Therefore, existing technologies often employ methods such as adding multiple inspection cameras, setting up rotating mechanisms, or using rotating inspection disks to induce rotation of the glass bottle, thereby increasing the inspection coverage. Although some conveyor equipment has a rotatable bottle-bearing structure on the conveyor belt, the bottle rotation usually relies on a fixed transmission structure or the conveying motion itself, making it impossible to independently adjust the bottle rotation speed according to different bottle sizes and inspection requirements. When the conveying speed is high, problems such as insufficient bottle rotation speed, blurred inspection images, or reduced inspection accuracy can easily occur.

[0004] Therefore, it is necessary to design a glass bottle appearance inspection and conveying device that can stably carry glass bottles during cyclic conveying and can achieve independent and adaptive rotation within the inspection area. Summary of the Invention

[0005] The purpose of this invention is to overcome the problems of poor compatibility between the conveying structure and the production line, insufficient stability of bottle rotation detection, and difficulty in independently adjusting the rotation speed in existing glass bottle appearance inspection equipment. The invention provides a glass bottle appearance inspection conveying device that enables stable bearing of glass bottles during cyclic conveying and independent, adaptive rotation within the inspection area.

[0006] The technical solution is as follows: A multi-station rotating conveyor for glass bottle appearance inspection, characterized in that it includes: a frame, a circulating chain conveyor mechanism, multiple rotating bottle-bearing mechanisms, a rotation drive mechanism, a bottle body appearance inspection station, and a bottle mouth appearance inspection station; the circulating chain conveyor mechanism is mounted on the frame and specifically includes a first transverse rotating wheel, a second transverse rotating wheel, and a closed-loop chain assembly, used to drive the closed-loop chain assembly to move along a circulating path; the multiple rotating bottle-bearing mechanisms are mounted on the chain plate units of the closed-loop chain assembly; the rotation drive mechanism is located in the inspection area of ​​the closed-loop chain assembly and can form a driving cooperation with the rotating bottle-bearing mechanisms passing through the inspection area, so that the glass bottle generates a rotational motion around its own axis during the movement of the closed-loop chain assembly; the bottle body appearance inspection station and the bottle mouth appearance inspection station are arranged sequentially along the conveying direction of the closed-loop chain assembly.

[0007] Furthermore, the self-rotating bottle-carrying mechanism includes a mounting base fixedly connected to the chain plate unit, a rotating bearing seat rotatably mounted on the mounting base, and a self-rotating drive component that is drively connected to the rotating bearing seat. The rotating bearing seat is used to carry the glass bottle to be tested and can rotate relative to the mounting base about a vertical axis.

[0008] Furthermore, the self-rotation drive mechanism includes a friction drive assembly arranged along the detection area of ​​the closed-loop chain plate assembly. The friction drive assembly includes a drive motor, a drive wheel, a driven wheel, and a friction transmission belt wound between the drive wheel and the driven wheel. The friction transmission belt contacts multiple self-rotation drive components in sequence, causing multiple rotating bearing seats to rotate synchronously.

[0009] Furthermore, the self-rotation drive component includes a drive shaft disposed below the rotating support, a rolling bearing sleeved on the drive shaft, and a self-rotation drive wheel fixedly disposed at the end of the drive shaft; the self-rotation drive wheel can contact the self-rotation drive mechanism and drive the drive shaft to rotate through friction transmission, thereby causing the rotating support to generate rotational motion.

[0010] Furthermore, the operating speed of the friction drive assembly can be adjusted independently of the conveying speed of the closed-loop chain plate assembly to change the rotation speed of the rotating bearing seat.

[0011] Furthermore, the bottle appearance inspection station includes at least one first industrial camera disposed on the side of the glass bottle and a first light source assembly disposed corresponding to the first industrial camera; when the glass bottle passes through the bottle appearance inspection station, the rotating support causes the glass bottle to rotate, so that the first industrial camera can acquire a circumferential surface image of the glass bottle; the bottle mouth appearance inspection station includes a second industrial camera disposed above the glass bottle and a second light source assembly disposed around the bottle mouth area, for detecting defects in the bottle mouth area of ​​the glass bottle.

[0012] Furthermore, the circulating chain conveyor mechanism adopts a modular chain structure, and adjacent chain units are detachably connected so as to adjust the number and spacing of the self-rotating bottle-bearing mechanism according to the production cycle.

[0013] Compared with the prior art, the present invention has the following advantages: 1. By setting multiple self-rotating bottle-carrying mechanisms on the circulating chain conveyor, the present invention enables glass bottles to be continuously conveyed directly using the existing chain conveyor method, without the need for a large rotating detection disc structure, thus improving the adaptability of the equipment to the existing production line.

[0014] 2. By setting up a self-rotating drive mechanism, the glass bottle carrying mechanism can generate independent rotational motion within the detection area, realizing the separation of glass bottle conveying motion and rotational motion, enabling the glass bottle to complete circumferential appearance inspection during continuous conveying, and improving the detection coverage.

[0015] 3. By adjusting the operating speed of the self-rotating drive mechanism independently of the chain conveyor speed, the invention can adjust the rotation speed of glass bottles according to different specifications and different visual inspection requirements, avoiding the decline in image acquisition quality due to mismatched rotation speeds and improving inspection accuracy. Attached Figure Description

[0016] Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 This is a partial three-dimensional structural schematic diagram of the present invention; Figure 3 This is a three-dimensional structural diagram of the second transverse rotating wheel and closed-loop chain plate assembly of the present invention; Figure 4 This is an exploded three-dimensional view of the closed-loop chain plate assembly and the bottle-bearing mechanism of the present invention. Figure 5 This is a three-dimensional structural diagram of the self-rotation drive mechanism of the present invention; Figure 6 This is a partial three-dimensional structural schematic diagram of the rotary drive mechanism of the present invention; Figure 7 This is a partial three-dimensional cross-sectional view of the rotary drive mechanism of the present invention; Figure 8 This is a three-dimensional structural diagram of the bottle body appearance inspection station and the bottle mouth appearance inspection station of the present invention; The labels in the attached diagram are as follows: 1_frame, 2_circulating chain conveyor mechanism, 21_first transverse rotating wheel, 22_second transverse rotating wheel, 23_closed-loop chain assembly, 3_bottle body carrying mechanism, 31_mounting base, 32_rotating bearing base, 33_rotation drive component, 331_drive shaft, 332_rolling bearing, 333_rotation drive wheel, 4_rotation drive mechanism, 41_friction drive assembly, 411_drive motor, 412_driving wheel, 413_driven wheel, 414_friction transmission belt, 5_bottle body appearance inspection station, 51_first industrial camera, 52_first light source assembly, 6_bottle mouth appearance inspection station, 61_second industrial camera, 62_second light source assembly. Detailed Implementation

[0017] The technical solutions in the embodiments of the present invention will be clearly and completely described below. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0018] Example 1 like Figures 1 to 8 As shown, the present invention provides a glass bottle appearance inspection self-rotating multi-station carrying and conveying device, including a frame 1, a circulating chain plate conveying mechanism 2, a self-rotating bottle body carrying mechanism 3, a self-rotating drive mechanism 4, a bottle body appearance inspection station 5, a bottle mouth appearance inspection station 6, and a limiting and stabilizing mechanism 7. The frame 1 serves as the main support for the entire device. A circulating chain conveyor mechanism 2 is installed on the frame 1. The circulating chain conveyor mechanism 2 includes a first transverse rotating wheel 21, a second transverse rotating wheel 22, and a closed-loop chain plate assembly 23. The first transverse rotating wheel 21 and the second transverse rotating wheel 22 are respectively rotatably mounted at both ends of the frame 1 along the conveying direction. The closed-loop chain plate assembly 23 is wound between the first transverse rotating wheel 21 and the second transverse rotating wheel 22. The second transverse rotating wheel 22 is connected to an external power mechanism. The external power mechanism drives the second transverse rotating wheel 22 to rotate, causing the closed-loop chain plate assembly 23 to move along the circulating path, thereby realizing the continuous conveying of glass bottles. The circulating chain conveyor mechanism 2 adopts a modular chain plate structure, and adjacent chain plate units can be detachably connected to adjust the number and spacing of the self-rotating bottle-bearing mechanism according to the production rhythm. The closed-loop chain plate assembly 23 is provided with multiple self-rotating bottle carrying mechanisms 3 at intervals along the conveying direction. Each self-rotating bottle carrying mechanism 3 includes a mounting base 31, a rotating bearing seat 32, and a self-rotation driving component 33. The mounting base 31 is fixedly connected to the chain plate unit of the closed-loop chain plate assembly 23. The rotating bearing seat 32 is rotatably mounted on the mounting base 31. The rotating bearing seat 32 is used to carry the glass bottle to be tested. The self-rotation driving component 33 is connected to the rotating bearing seat 32 and is used to drive the rotating bearing seat 32 to rotate around the vertical axis. Among them, the closed-loop chain plate assembly 23 is provided with a self-rotation drive mechanism 4 in the detection area. The self-rotation drive mechanism 4 is used to form a drive cooperation with multiple self-rotation drive components 33 passing through the detection area, so that the glass bottle can generate a rotational motion around its own axis synchronously as it moves with the closed-loop chain plate assembly 23. The closed-loop chain plate assembly 23 includes a bottle body appearance inspection station 5 and a bottle mouth appearance inspection station 6, which are arranged sequentially along the conveying direction. The bottle body appearance inspection station 5 is used to acquire circumferential images of the outer side of the glass bottle, and the bottle mouth appearance inspection station 6 is used to acquire images of the bottle mouth area to detect defects in the glass bottle appearance. The bottle body appearance inspection station 5 includes at least one first industrial camera 51 located on the side of the glass bottle and a first light source assembly 52 corresponding to the industrial camera. When the glass bottle passes through the bottle body appearance inspection station, the rotating support causes the glass bottle to rotate, so that the first industrial camera 51 can acquire circumferential surface images of the glass bottle. The bottle mouth appearance inspection station 6 includes a second industrial camera 61 located above the glass bottle and a second light source assembly 62 arranged around the bottle mouth area to detect defects in the bottle mouth area.

[0019] For example, in use, the second transverse rotating wheel 22 is first driven to rotate by an external power mechanism. The second transverse rotating wheel 22 drives the closed-loop chain plate assembly 23 to circulate along the frame 1, causing multiple self-rotating bottle-carrying mechanisms 3 mounted on the closed-loop chain plate assembly 23 to move synchronously. An operator or automatic feeding mechanism places the glass bottle to be inspected onto the rotating support 32. The glass bottle, along with the closed-loop chain plate assembly 23, sequentially passes through the bottle body appearance inspection station 5 and the bottle mouth appearance inspection station 6. When the glass bottle enters the inspection area, the self-rotating drive mechanism 4 contacts the self-rotating drive component 33 and generates a driving action, causing the rotating support 32 to drive the glass bottle to rotate around its own central axis. At this time, the glass bottle simultaneously has a movement state along the conveying direction and a rotation state around its own axis, enabling the inspection equipment to acquire appearance images of the glass bottle from different angles and achieve continuous inspection of the bottle body and bottle mouth areas.

[0020] In this embodiment, the self-rotation drive component 33 includes a drive shaft 331, a drive wheel 332, and a rolling bearing 333. The drive shaft 331 is coaxially connected to the rotating bearing seat 32. The drive wheel 332 is fixedly installed at the lower end of the drive shaft 331. The drive wheel 332 is used to contact and cooperate with the self-rotation drive mechanism 4. The rolling bearing 333 is disposed between the drive shaft 331 and the mounting seat 31 to reduce the resistance during the rotation of the drive shaft 331.

[0021] For example, when the self-rotating bottle-carrying mechanism 3 enters the detection area, the drive wheel 332 contacts the self-rotating drive mechanism 4. Since the closed-loop chain plate assembly 23 continuously drives the mounting base 31 to move, and the self-rotating drive mechanism 4 provides relative motion driving force, the drive wheel 332 rotates due to friction. The rotation of the drive wheel 332 drives the transmission shaft 331 to rotate, which in turn drives the rotating support 32 to rotate, thus causing the glass bottle placed on the rotating support 32 to rotate. With this structure, multiple glass bottles can rotate synchronously without the need for a separate power source at each bottle-carrying position, improving the compactness of the equipment structure.

[0022] In this embodiment, the self-rotating drive mechanism 4 includes a drive bracket 41, a drive motor 42, a drive wheel 43, a driven wheel 44, and a friction transmission belt 45. The drive bracket 41 is fixedly mounted on the frame 1. The drive wheel 43 and the driven wheel 44 are rotatably mounted at both ends of the drive bracket 41. The friction transmission belt 45 is wound between the drive wheel 43 and the driven wheel 44. The drive motor 42 is connected to the drive wheel 43 and is used to drive the friction transmission belt 45 to circulate.

[0023] For example, during operation, the drive motor 42 drives the drive wheel 43 to rotate, and the drive wheel 43 drives the driven wheel 44 to rotate synchronously via the friction transmission belt 45, causing the friction transmission belt 45 to move continuously. When multiple self-rotating drive components 33 mounted on the closed-loop chain plate assembly 23 pass through the friction transmission belt 45 in sequence, the drive wheel 332 forms frictional contact with the friction transmission belt 45. Due to the continuous movement of the friction transmission belt 45, the drive wheel 332 obtains rotational power, thereby realizing the continuous self-rotation of multiple glass bottle carrying mechanisms. By setting a centralized friction drive structure, the number of power mechanisms can be reduced, and the operational stability of the device can be improved.

[0024] Furthermore, the running speed of the friction drive belt 45 can be adjusted independently of the conveying speed of the closed-loop chain plate assembly 23. During the detection process, the movement speed of the friction drive belt 45 can be changed by adjusting the rotation speed of the drive motor 42. Since the rotation speed of the glass bottle is determined by the relative movement speed between the friction drive belt 45 and the drive wheel 332, the rotation speed of the glass bottle can be adjusted without changing the conveying speed of the closed-loop chain plate assembly 23. When it is necessary to improve the detection accuracy, the conveying speed can be reduced or the rotation speed of the glass bottle can be increased; when it is necessary to improve production efficiency, the conveying speed can be kept constant and the rotation parameters can be adjusted. Therefore, independent control of the glass bottle conveying cycle and the detection rotation parameters is achieved.

[0025] In summary, this invention enables glass bottles to rotate independently under traditional chain conveying methods by setting multiple self-rotating bottle-carrying mechanisms on the chain plate unit of the circulating chain conveyor. Compared with existing fixed conveying or integral turntable detection structures, this invention does not require changing the overall conveying form of the production line. Continuous rotation detection of glass bottles can be achieved simply by setting self-rotating carrying mechanisms and a centralized self-rotating drive mechanism for the detection area. Furthermore, the separate design of the self-rotating drive mechanism and the circulating chain conveyor allows for independent adjustment of the glass bottle conveying speed and rotation detection speed, improving adaptability to different specifications of glass bottles and different detection requirements.

[0026] The technical principles of the embodiments of the present invention have been described above with reference to specific examples. These descriptions are merely for explaining the principles of the embodiments of the present invention and should not be construed as limiting the scope of protection of the embodiments of the present invention in any way. Based on the explanation herein, those skilled in the art can conceive of other specific embodiments of the present invention without creative effort, and these embodiments will all fall within the scope of protection of the embodiments of the present invention.

Claims

1. A multi-station rotating conveying device for inspecting the appearance of glass bottles, characterized in that, include: The frame (1), the circulating chain conveyor (2), multiple self-rotating bottle carrying mechanisms (3), the self-rotating drive mechanism (4), the bottle appearance inspection station (5), and the bottle mouth appearance inspection station (6). The circulating chain conveyor (2) is mounted on the frame (1) and includes a first transverse rotating wheel (21), a second transverse rotating wheel (22), and a closed-loop chain assembly (23) for driving the closed-loop chain assembly (23) to move along the circulating path; multiple self-rotating bottle-bearing mechanisms (3) are mounted on the chain plate units of the closed-loop chain assembly (23); the self-rotating drive mechanism (4) is located in the detection area of ​​the closed-loop chain assembly (23) and can form a driving cooperation with the self-rotating bottle-bearing mechanism (3) that passes through the detection area, so that the glass bottle generates a rotational motion around its own axis during the movement of the closed-loop chain assembly (23); the bottle body appearance inspection station (5) and the bottle mouth appearance inspection station (6) are arranged sequentially along the conveying direction of the closed-loop chain assembly (23).

2. The glass bottle appearance inspection self-rotating multi-station carrying and conveying device according to claim 1, characterized in that: The self-rotating bottle carrying mechanism (3) includes a mounting base (31) fixedly connected to the chain plate unit, a rotating bearing seat (32) rotatably set on the mounting base (31), and a self-rotating drive component (33) that is connected to the rotating bearing seat (32) in a transmission manner. The rotating bearing seat (32) is used to carry the glass bottle to be tested and can rotate relative to the mounting base (31) about the vertical axis.

3. The glass bottle appearance inspection self-rotating multi-station carrying and conveying device according to claim 1, characterized in that: The self-rotation drive mechanism (4) includes a friction drive assembly (41) arranged along the detection area of ​​the closed-loop chain plate assembly (23). The friction drive assembly (41) includes a drive motor (411), a drive wheel (412), a driven wheel (413), and a friction transmission belt (414) wound between the drive wheel (412) and the driven wheel (413). The friction transmission belt (414) contacts multiple self-rotation drive components (33) in sequence, so that multiple rotating bearing seats (32) generate rotational motion synchronously.

4. The glass bottle appearance inspection self-rotating multi-station carrying and conveying device according to claim 2, characterized in that: The self-rotation drive component (33) includes a drive shaft (331) disposed below the rotating support (32), a rolling bearing (332) sleeved on the drive shaft (331), and a self-rotation drive wheel (333) fixedly disposed at the end of the drive shaft (331). The self-rotation drive wheel (333) can contact the self-rotation drive mechanism (4) and drive the drive shaft (331) to rotate through friction transmission, thereby causing the rotating support (32) to rotate.

5. A multi-station rotating conveying device for glass bottle appearance inspection according to claim 3, characterized in that: The operating speed of the friction drive assembly (41) can be adjusted independently of the conveying speed of the closed-loop chain plate assembly (23) to change the rotation speed of the rotating bearing seat (32).

6. The glass bottle appearance inspection self-rotating multi-station carrying and conveying device according to claim 1, characterized in that: The bottle appearance inspection station (5) includes at least one first industrial camera (51) disposed on the side of the glass bottle and a first light source assembly (52) disposed corresponding to the first industrial camera (51); when the glass bottle passes through the bottle appearance inspection station (5), the rotating support (32) drives the glass bottle to rotate, so that the first industrial camera (51) can acquire the circumferential surface image of the glass bottle. The bottle mouth appearance inspection station (6) includes a second industrial camera (61) set above the glass bottle and a second light source assembly (62) arranged around the bottle mouth area, for detecting defects in the bottle mouth area of ​​the glass bottle.

7. The glass bottle appearance inspection self-rotating multi-station carrying and conveying device according to claim 1, characterized in that: The circulating chain conveyor (2) adopts a modular chain structure, and adjacent chain units are detachably connected so as to adjust the number and spacing of the self-rotating bottle-bearing mechanism (3) according to the production rhythm.

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