Zip-top can conveying device with phase correcting mechanism

Abstract

The invention relates to the technical field of zip-top can conveying, and particularly discloses a zip-top can conveying device with a phase correcting mechanism, which comprises a conveyor for conveying zip-top cans, and an equidistant conveying part and a correcting part are respectively arranged on the conveyor; the straightening component comprises a first servo motor, a first driving belt in transmission connection with the first servo motor, a second servo motor and a second driving belt in transmission connection with the second servo motor. According to the zip-top can conveying device with the phase correcting mechanism, the image collecting component and the correcting component are arranged, a deviation correcting system is utilized, zip-top can data with angle deviation are analyzed and calculated, the rotating speed of a first servo motor is controlled through a controller, and the zip-top can conveying device with the phase correcting mechanism is obtained through the rotating speed difference between the first servo motor and a second servo motor. And the angle correction of the zip-top can is assisted, so that the purpose of automatically correcting the angle of the zip-top can is achieved, and the zip-top can conveyed to the rear part for labeling and packaging is straightened.

Description

Technical Field

[0001] The invention relates to the technical field of can conveying technology, and in particular to a can conveying device with a phase correction mechanism. Background Art

[0002] In the field of can packaging equipment, it is necessary to arrange a feature (pull ring) on ​​the surface of the can in the same direction before completing the next step of labeling, which can significantly improve the recognition and aesthetics of the can and increase the user group's recognition and acceptance of the can; or to facilitate opening, carrying, holding or management requirements, as well as for other functional considerations, the pull ring on the surface of the can must be aligned in phase at the front end of the intelligent production line (i.e., the handles must be intelligently arranged in the same direction).

[0003] In the prior art, cans are usually aligned manually, which not only increases unnecessary labor but is also inefficient and may even result in angle errors or omission of a small number of cans that are not aligned. This requires a mechanism that automatically aligns the phases. Summary of the invention

[0004] The object of the present invention is to provide a can conveying device with a phase correction mechanism to solve the above-mentioned deficiencies in the prior art.

[0005] In order to achieve the above object, the present invention provides the following technical solutions: A can conveying device with a phase correction mechanism comprises a conveyor for conveying cans, the conveyor is provided with an equidistant conveying component and a correction component, the image acquisition component is used to acquire a can body image, the correction component comprises a first servo motor, a first driving belt connected to the first servo motor, and a second servo motor connected to the second servo motor, the first driving belt and the second driving belt are used to drive the cans to rotate to a correct angle; It also includes a deviation correction system, which includes an image acquisition component, which is arranged on the conveyor; an image acquisition component, which is used to acquire the image of the can body; an angle calculation component, which is used to compare the acquired can body image with the standard image in the image library, calculate the offset angle of the can body image, and convert the offset angle into a phase angle; a speed calculation component, which is used to calculate the speed of the first servo motor and the second servo motor according to the phase angle; and a correction component, which is used to control the rotation of the first servo motor and the second servo motor according to the speed of the first servo motor and the second servo motor to correct the can.

[0006] Furthermore, the image acquisition component includes an image acquisition module and an image library, and the image acquisition module is a photographic device.

[0007] Further, the image acquisition component is electrically connected to a controller, and the angle calculation component, the rotation speed calculation component, and the correction component are all electrically connected to the controller.

[0008] Further, the alignment component includes a plurality of first pulleys and second pulleys. The first drive belt is sleeved on the plurality of first pulleys, the first servo motor is fixedly connected to one of the first pulleys, the second drive belt is sleeved on the plurality of second pulleys, and the second servo motor is fixedly connected to one of the second pulleys.

[0009] Further, the phase angle of the first servo motor , where θ is the deviation angle of the tank body image, r is the radius of the beverage can, and R is the radius of the first pulley.

[0010] Further, the second servo motor V2 is a set value, and the correction time t0 is a set value. .

[0011] Further, the equidistant conveying component includes a third servo motor arranged on the conveyor. A gearbox is drivably arranged on the third servo motor. A spacing wheel is fixedly connected to the output shaft of the gearbox. A plurality of grooves are formed in the spacing wheel, and the grooves are adapted to the outer wall of the beverage can.

[0012] Further, the image acquisition component further includes a support frame. A moving frame is slidably connected to the support frame. The photographic device is slidably arranged on the moving frame. A supplementary light is further arranged on the moving frame. An adjusting screw rod is rotatably connected to the support frame. A threaded sleeve is arranged on the moving frame, and the threaded sleeve is in threaded connection with the adjusting screw rod.

[0013] In the above technical solution, the beneficial effects of the beverage can conveying device with a phase alignment mechanism provided by the present invention are as follows: By providing the image acquisition component and the alignment component, using the deviation correction system, the data of the beverage cans with angular deviations are analyzed and calculated. The rotation speed of the first servo motor is controlled by the controller. Through the rotation speed difference between the first servo motor and the second servo motor, the angle of the beverage can is corrected, so as to achieve the purpose of automatically correcting the angle of the beverage can, aligning the beverage cans to be conveyed to the subsequent labeling station, making the labeling and inkjet printing positions of the beverage cans more accurate, effectively avoiding inkjet printing on special positions such as the pull ring, resulting in the inability to beautifully display special commercial labels such as product logos, which does not meet the commercial requirements of the manufacturer.

[0014] It should be understood that the foregoing general description and the following detailed description are merely exemplary and explanatory and are not intended to limit the present disclosure.

[0015] This application document provides an overview of various implementations or examples of the technologies described in this disclosure, and is not a comprehensive disclosure of the entire scope or all features of the disclosed technologies. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required to be used in the embodiments. Obviously, the drawings described below are only some embodiments recorded in the present invention, and those of ordinary skill in the art can also obtain other drawings based on these drawings.

[0017] Figure 1 Schematic diagram of the overall structure provided by an embodiment of the present invention; Figure 2 Schematic diagram of the structure of the equidistant conveying component provided by an embodiment of the present invention; Figure 3 Schematic diagram of the structure of the image acquisition component provided by an embodiment of the present invention; Figure 4 Schematic diagram of the structure of the alignment component provided by an embodiment of the present invention; Figure 5 Schematic diagram of the structure of the first pulley provided by an embodiment of the present invention; Figure 6 Schematic diagram of the structure of the second pulley provided by an embodiment of the present invention; Figure 7 Block diagram of the deviation correction system provided by an embodiment of the present invention.

[0018] Description of the reference numerals in the drawings: 1, conveyor; 2, beverage can; 3, equidistant conveying component; 31, third servo motor; 32, gearbox; 33, distance dividing wheel; 34, groove; 4, image acquisition component; 41, support frame; 42, moving frame; 43, photographic equipment; 44, fill light; 45, adjusting lead screw; 5, alignment component; 51, first servo motor; 52, first pulley; 53, first driving belt; 54, second servo motor; 55, second driving belt; 56, second pulley; 57, first fixing table; 58, second fixing table; 6, baffle. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] In order to make the objectives, technical solutions, and advantages of the embodiments of the present disclosure clearer, the following will clearly and completely describe the technical solutions of the embodiments of the present disclosure in conjunction with the drawings of the embodiments of the present disclosure. Obviously, the described embodiments are some, but not all, of the embodiments of the present disclosure. All other embodiments obtained by those of ordinary skill in the art based on the described embodiments of the present disclosure without creative efforts shall fall within the scope of protection of the present disclosure.

[0020] See also Figures 1-7 A can conveying device with a phase correction mechanism comprises a conveyor 1 for conveying cans 2, wherein the conveyor 1 is provided with an equidistant conveying component 3 and a correction component 5, wherein the correction component 5 comprises a first servo motor 51, a first driving belt 53 connected to the first servo motor 51, and a second servo motor 54 connected to the second servo motor 54. The first driving belt 53 and the second driving belt 55 are responsible for driving the cans 2 to rotate to a correct angle. The conveyor 1 includes a pair of baffles 6 and a conveying platform. The baffle 6 is installed on one end of the conveying platform and is responsible for helping the cans 2 to be arranged neatly.

[0021] It also includes a deviation correction system, which includes an image acquisition component 4, and the image acquisition component 4 is arranged on the conveyor 1; An image acquisition component 4, which is used to acquire an image of the tank body; An angle calculation component, which is used to compare the collected tank image with the standard image in the image library, calculate the offset angle of the tank image, and convert the offset angle into a phase angle; The angle calculation module has an image comparison module inside, which compares the collected image with the image in the image library, builds a model, and automatically calculates the deviation angle.

[0022] A speed calculation component, which is used to calculate the speed of the first servo motor 51 and the second servo motor 54 according to the phase angle; The correction component is used to control the first servo motor 51 and the second servo motor 54 to rotate according to the speed of the first servo motor 51 and the second servo motor 54 to correct the can 2.

[0023] The equidistant conveying component 3 includes a third servo motor 31 arranged on the conveyor 1, and a gear box 32 is arranged on the third servo motor 31 for transmission. A spacing wheel 33 is fixedly connected to the output shaft of the gear box 32, and a plurality of grooves 34 are formed on the spacing wheel 33, and the grooves 34 are adapted to the outer wall of the can 2.

[0024] Initially, multiple cans 2 are arranged in sequence on the conveyor platform. When passing the baffle 6, they are automatically aligned in a row and then touch the groove 34 of the spacing wheel 33. Each groove 34 close to the conveyor platform corresponds to a can 2. The spacing wheel 33 rotates slowly, and each time it rotates, it pushes the can 2 on the groove 34 to the front, while preventing the can 2 behind from moving forward. The next can 2 smoothly enters the inside of the next groove 34, thereby achieving the purpose of intermittently pushing the can 2. The distance between the front and rear cans 2 is constant, which is convenient for subsequent image acquisition and angle correction of each can 2.

[0025] The image acquisition component 4 includes an image acquisition module and an image library, and the image acquisition module is a camera device 43.

[0026] The image acquisition component 4 also includes a support frame 41, which is slidably connected to a mobile frame 42. The mobile frame 42 is provided with an electric slide rail, and a photographic device 43 is provided on the electric slide rail, which can be a camera. The mobile frame 42 is also provided with a fill light 44 to ensure a clear image. The brightness of the fill light 44 is adjustable. An adjusting screw rod 45 is rotatably connected to the support frame 41, and a threaded sleeve is provided on the mobile frame 42. The threaded sleeve and the adjusting screw rod 45 are threadedly connected. The support frame 41 is also provided with a pair of guide rods, which movably penetrate the mobile frame 42 to help the mobile frame 42 move up and down stably.

[0027] The image acquisition component 4 is electrically connected to a controller, and the angle calculation component, the rotation speed calculation component and the correction component are all electrically connected to the controller. The angle calculation component and the rotation speed calculation component are both provided with calculation modules.

[0028] The straightening component 5 includes a plurality of first pulleys 52 and a second pulley 56, the first driving belt 53 is sleeved on the plurality of first pulleys 52, the first servo motor 51 is fixedly connected to one of the first pulleys 52, the second driving belt 55 is sleeved on the plurality of second pulleys 56, and the second servo motor 54 is fixedly connected to one of the second pulleys 56.

[0029] The alignment component 5 also includes a first fixed platform 57 and a second fixed platform 58. Each first drive belt 53 drives at least three first pulleys 52, and each second drive belt 55 drives at least three second pulleys 56. A support rod is provided on the first fixed platform 57, and the first servo motor 51 and the second servo motor 54 are supported and suspended by the support rod.

[0030] The side of the first driving belt 53 facing the can 2 is planar.

[0031] In practice, three groups of alignment components 5 may be provided. When three cans 2 enter corresponding alignment components 5, they are aligned at the same time, and then the cans 2 are driven and transported at the same speed.

[0032] The phase angle of the first servo motor 51 , where θ is the offset angle of the can image, r is the radius of the can 2 , R is the radius of the first pulley 52 , and the radius of the second pulley 56 is equal to the radius of the first pulley 52 .

[0033] The formula for the tank rotation path is: , the rotation path of the first pulley 52 is equal to the movement path of the first driving belt 55, which is also equal to the rotation path of the aluminum can 2.

[0034] The rotation speed V2 of the second servo motor 54 is a set value, V1 is the corresponding rotation speed after adjustment of the first servo motor 51, the correction time t0 is a set value, and the path-time-speed formula is , combining the two formulas, the speed formula of V1 can be obtained. .

[0035] Specifically, the second servo motor 54 has the same speed as the conveying table. At the beginning, the first servo motor 51 has the same rotation speed as the second servo motor 54. When receiving the signal transmitted by the deviation correction component, the first servo motor 51 is driven to increase its rotation speed to V1. Through the extrusion between the first driving belt 53 and the second driving belt 55, the aluminum can is driven to rotate, and the speed difference is used to drive the aluminum can to rotate to the correct angle, finally achieving the purpose of correction.

[0036] In the embodiment further provided by the present invention, the conveyor can also be provided with another set of image acquisition components and alignment components to perform image acquisition on the already corrected aluminum cans for inspection to avoid errors. When the correction is not in place, the alignment components can be used to automatically align, further improving the accuracy of the operation of the device, which can be used as an auxiliary correction for the device.

[0037] Only some exemplary embodiments of the present invention have been described by way of illustration above. Undoubtedly, for those of ordinary skill in the art, without departing from the spirit and scope of the present invention, the described embodiments can be modified in various different ways. Therefore, the above drawings and description are illustrative in nature and should not be construed as limiting the protection scope of the claims of the present invention.

Claims

1. An aluminum can conveying device with a phase rectifying mechanism, comprising a conveyor (1) for conveying aluminum cans (2), characterized in that: An equidistant conveying component (3) and an alignment component (5) are respectively arranged on the conveyor (1). The alignment component (5) includes a first servo motor (51), a first driving belt (53) drivingly connected to the first servo motor (51), a second servo motor (54), and a second driving belt (55) drivingly connected to the second servo motor (54). The first driving belt (53) and the second driving belt (55) are used to drive the beverage can (2) to rotate to the correct angle; It further includes a deviation correction system. The deviation correction system includes an image acquisition component (4), and the image acquisition component (4) is arranged on the conveyor (1); The image acquisition component (4) is used to acquire the image of the can body; An angle calculation component, which is used to compare the acquired can body image with the standard image in the image library, calculate the deviation angle of the can body image, and convert the deviation angle into a phase angle; A rotational speed calculation component, which is used to calculate the speeds of the first servo motor (51) and the second servo motor (54) according to the phase angle; A correction component, which is used to control the rotation of the first servo motor (51) and the second servo motor (54) according to the speeds of the first servo motor (51) and the second servo motor (54) to correct the beverage can (2).

2. The canned beverage conveying device with a phase rectifying mechanism according to claim 1, wherein The image acquisition component (4) includes an image acquisition module and an image library, and the image acquisition module is a photographic device (43).

3. The aluminum can conveying device with a phase rectifying mechanism according to claim 2, characterized in that, The image acquisition component (4) is electrically connected to a controller, and the angle calculation component, the rotational speed calculation component, and the correction component are all electrically connected to the controller.

4. The aluminum can conveying device with a phase rectifying mechanism according to claim 3, characterized in that, The alignment component (5) includes a plurality of first belt pulleys (52) and second belt pulleys (56). The first driving belt (53) is sleeved on the plurality of first belt pulleys (52), the first servo motor (51) is fixedly connected to one of the first belt pulleys (52), the second driving belt (55) is sleeved on the plurality of second belt pulleys (56), and the second servo motor (54) is fixedly connected to one of the second belt pulleys (56).

5. The canned beverage conveying device with a phase rectifying mechanism according to claim 4, wherein, The phase angle of the first servo motor (51) , where θ is the offset angle of the tank image, r is the radius of the aluminum can (2), and R is the radius of the first pulley (52).

6. The aluminum can conveying device with a phase alignment mechanism according to claim 5, characterized in that, If the rotational speed V2 of the second servo motor (54) is a set value and the correction time t0 is a set value, then the adjusted rotational speed of the first servo motor (51) is V1. 。 7. The can conveying device with a phase alignment mechanism according to claim 6, characterized in that, The equidistant conveying component (3) includes a third servo motor (31) arranged on the conveyor (1). A gearbox (32) is drivingly arranged on the third servo motor (31). A spacing wheel (33) is fixedly connected to the output shaft of the gearbox (32). A plurality of grooves (34) are formed in the spacing wheel (33), and the grooves (34) are adapted to the outer wall of the beverage can (2).

8. The aluminum can conveying device with a phase rectifying mechanism according to claim 7, characterized in that, The image acquisition component (4) further includes a support frame (41). A moving frame (42) is slidably connected to the support frame (41). The photographic device (43) is slidably arranged on the moving frame (42). A supplementary light (44) is further arranged on the moving frame (42). An adjusting lead screw (45) is rotatably connected to the support frame (41). A threaded sleeve is arranged on the moving frame (42), and the threaded sleeve is in threaded connection with the adjusting lead screw (45).

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