Rotary drum positioning and labeling machine

Abstract

The utility model discloses a rotary barrel positioning and labeling machine which comprises a conveying device used for conveying a barrel body and a labeling device arranged on the side edge of the conveying device and used for automatically labeling, a rotary barrel part is arranged below a conveying plane of the conveying device, and a barrel body positioning part is arranged above the conveying plane of the conveying device. The barrel rotating part comprises a lifting plate capable of being arranged in a lifting mode and a rotary driving mechanism fixedly installed on the lifting plate, the output end of the rotary driving mechanism is fixedly connected with a rotary table which can penetrate through the conveying plane and is horizontally arranged, and the barrel body positioning part comprises positioning assemblies symmetrically arranged on the two sides of the barrel rotating part; the positioning assembly can be horizontally arranged in a telescopic mode in the direction perpendicular to the barrel conveying direction. According to the utility model, the barrel body is jacked up through the rotary table, is separated from the original conveying plane and is rotated to a proper angle, and then the barrel body is driven to descend to the original conveying plane, so that subsequent automatic labeling is facilitated; and the bottom of the barrel cannot be damaged while the barrel rotating precision is improved.

Description

Technical Field

[0001] This utility model relates to the field of automatic labeling technology for heavy-duty drums, and in particular to a rotating drum positioning labeling machine. Background Technology

[0002] Currently in China, label positioning for barrels is generally achieved using instant printing and labeling machines. However, since the circumferential position of each barrel arriving at the machine will have some deviation, a barrel rotation positioning device is needed to adjust the circumferential position of the incoming barrels. Traditional drum positioning devices rely on the friction between the drive wheel and the drum wall to rotate the drum. For example, the Chinese utility model patent CN208248692U, a fully automatic rotary servo positioning self-adhesive labeling machine, includes a conveying device, a clamping device, a positioning labeling device, and a label feeding device. The positioning labeling device includes a bracket and a drive wheel, a driven wheel, a label feeding wheel, a guide plate, and a positioning sensor mounted on the bracket. The label feeding wheel is installed in conjunction with the guide plate, and the wheel surface of the label feeding wheel is in contact with the surface of the guide plate. A servo motor is connected to the axle of the label feeding wheel. During operation, the conveying device transports the drum to the designated position. After the clamping device positions the drum, the positioning sensor identifies the designated labeling position on the drum. The drum rotates to the appropriate position under the drive wheel, and the servo motor drives the label feeding wheel to deliver the label. The label is pressed and affixed to the drum by the drive wheel.

[0003] There are two shortcomings to this drum-turning method. First, it has limitations. When the drum itself is relatively heavy, the drive wheel used for turning the drum is prone to slipping and cannot turn, resulting in inaccurate positioning. Second, friction will occur between the bottom of the drum and the conveyor during the drum-turning process, which will cause scratches on the bottom of the drum. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing a rotating drum positioning labeling machine that achieves precise drum rotation without damaging the bottom of the drum.

[0005] The technical solution to achieve the purpose of this utility model is:

[0006] A rotating drum positioning labeling machine includes a conveying device for conveying drums and a labeling device disposed on the side of the conveying device for automatic labeling. The conveying device has a rotating drum section below the conveying plane and a drum positioning section above it. The rotating drum section includes a lifting plate that can be raised and lowered and a rotary drive mechanism fixedly mounted on the lifting plate. The output end of the rotary drive mechanism is fixedly connected to a turntable that can penetrate the conveying plane and is horizontally arranged. The drum positioning section includes positioning components symmetrically arranged on both sides of the rotating drum section. The positioning components can be horizontally extended and retracted along the direction perpendicular to the conveying direction of the drum.

[0007] Furthermore, the conveying device includes a roller conveyor, the conveying plane of the roller conveyor is provided with a first notch, and a chain conveyor with the same conveying direction as the roller conveyor is provided at the first notch. The rotating drum is located between two conveying chains of the chain conveyor, and the distance between adjacent conveying chains is smaller than the diameter of the drum.

[0008] Furthermore, the chain conveyor and the roller conveyor are connected by chain drive.

[0009] Furthermore, the rotating drum section also includes a fixedly installed base plate, on which a lifting cylinder is fixedly mounted. The piston rod of the lifting cylinder is vertically upward and fixedly connected to the lifting plate.

[0010] Furthermore, the rotary drive mechanism includes a servo motor and a reducer that is drively connected to the output shaft of the servo motor. The reducer is fixedly mounted on the lifting plate, and its output end passes through the lifting plate and is fixedly connected to the turntable.

[0011] Furthermore, at least one pair of lifting cylinders are provided and symmetrically located on both sides of the rotary drive mechanism, and each lifting cylinder has a first guide rod assembly symmetrically provided on both sides, connecting the lifting plate and the base plate.

[0012] Furthermore, the turntable is coaxially provided with a weight reduction hole at its center.

[0013] Furthermore, the barrel positioning part also includes a mounting base fixedly mounted on the side of the conveying device. A telescopic cylinder is fixedly mounted on the mounting base. The piston rod end of the telescopic cylinder is connected to the positioning assembly, and a second guide rod assembly is provided on both sides parallel to each other, connecting the positioning assembly and the mounting base.

[0014] Furthermore, the positioning component includes a limiting block, and the limiting block has a second notch on the side near the barrel. The two ends of the second notch are symmetrically provided with rollers whose rotation axis is parallel to the central axis of the barrel. The rollers form a limiting space that is adapted to the barrel.

[0015] By adopting the above technical solution, this utility model has the following beneficial effects:

[0016] (1) This utility model sets up a turntable that can be raised and lowered through the conveying plane and a barrel positioning part that can be opened and closed on the conveying line of the barrel. The barrel positioning part pushes the conveyed barrel onto the turntable, and the turntable lifts the barrel up, separates it from the original conveying plane and rotates it to a suitable angle. Then it drives the barrel down to the original conveying plane to continue conveying, which facilitates the subsequent automatic labeling. Compared with the existing method of driving the barrel to rotate in place on the conveying plane by a rotating wheel, it improves the barrel rotation accuracy and does not damage the bottom of the barrel.

[0017] (2) The conveying device of this utility model consists of a roller conveyor and a chain conveyor, thereby realizing the smooth transition of barrels. By adding a chain conveyor as a transition, when other sizes of barrels need to be conveyed, only a chain conveyor of appropriate size needs to be replaced, without replacing the entire conveying device, thus saving equipment costs.

[0018] (3) This utility model connects the chain conveyor and the roller conveyor through the traditional chain connection, so that one power source can drive the two conveyors to rotate, further saving equipment costs.

[0019] (4) The rotating drum section of this utility model uses a lifting cylinder to drive the lifting plate to lift, which in turn drives the rotating drive mechanism on it to lift, thereby realizing the lifting of the turntable. The turntable is rotated by a servo motor, and the structure is simple.

[0020] (5) The present invention has a pair of lifting cylinders and an additional first guide rod assembly to improve the stability of the lifting plate's lifting movement.

[0021] (6) By setting weight reduction holes, this utility model reduces the weight of the turntable, thereby reducing the load on the servo motor and lifting cylinder and extending their service life.

[0022] (7) This utility model achieves telescopic movement by driving the positioning component with a telescopic cylinder. It has a simple structure and a rapid action response.

[0023] (8) The positioning component of this utility model positions the barrel by a limiting block with a notch and adds a roller so that the barrel can still rotate smoothly while being limited. Attached Figure Description

[0024] To make the content of this utility model easier to understand, the present utility model will be further described in detail below with reference to specific embodiments and accompanying drawings, wherein:

[0025] Figure 1 This is a schematic diagram of the structure of this utility model;

[0026] Figure 2 This utility model Figure 1 A magnified view of part A;

[0027] Figure 3 This is a schematic diagram of the rotating drum section of this utility model.

[0028] The labels in the attached diagram are:

[0029] Conveying device 1, roller conveyor 1-1, chain conveyor 1-2, labeling device 2, drum rotating part 3, lifting plate 3-1, rotary drive mechanism 3-2, servo motor 3-2-1, reducer 3-2-2, turntable 3-3, weight reduction hole 3-3-1, bottom plate 3-4, lifting cylinder 3-5, first guide rod assembly 3-6, drum positioning part 4, positioning assembly 4-1, limit block 4-1-1, roller 4-1-2, mounting base 4-2, telescopic cylinder 4-3, second guide rod assembly 4-4. Detailed Implementation

[0030] To better understand the above technical solutions, the following will provide a detailed explanation of the technical solutions in conjunction with the accompanying drawings and specific implementation methods.

[0031] (Example 1)

[0032] like Figures 1 to 3 The rotating drum positioning and labeling machine shown includes a conveying device 1 for conveying drums and a labeling device 2 located on the side of the conveying device 1 for automatic labeling. A rotating drum section 3 is located below the conveying plane of the conveying device 1, and a drum positioning section 4 is located above it. The drum positioning section 4 includes positioning components 4-1 symmetrically arranged on both sides of the rotating drum section 3. The positioning components 4-1 are horizontally extendable and retractable along a direction perpendicular to the drum conveying direction, forming an openable and closable drum positioning section 4, used to limit the conveyed drums so that they can be pushed to the center of the rotating drum section 3. The rotating drum unit 3 includes a lifting plate 3-1 that can be raised and lowered, and a rotary drive mechanism 3-2 fixed on the lifting plate 3-1. The output end of the rotary drive mechanism 3-2 is fixedly connected to a turntable 3-3 that can pass through the conveying plane and is horizontally set. The turntable 3-3 lifts the drum upward, removes it from the original conveying plane, and rotates it to a suitable angle. Then, it drives the drum to descend back to the original conveying plane to continue conveying, which facilitates subsequent automatic labeling. Compared with the existing method of driving the drum to rotate in place on the conveying plane by a wheel, this improves the accuracy of drum rotation and does not damage the bottom of the drum.

[0033] Specifically, the conveying device 1 includes a roller conveyor 1-1 and a chain conveyor 1-2. The roller conveyor 1-1 has a first notch on its conveying plane. The chain conveyor 1-2 is located at the first notch and its conveying direction is the same as that of the roller conveyor 1-1. By adding the chain conveyor 1-2 as a transition, when conveying other sizes of barrels, only a chain conveyor of the appropriate size needs to be replaced, without replacing the entire conveying device, thus saving equipment costs. The chain conveyor 1-2 is connected to the roller conveyor 1-1 via chain drive, thereby directly utilizing the power source of the roller conveyor 1-1, further saving equipment costs. To prevent subsequent barrels from interfering with the rotation of the current barrel, this embodiment has a barrel-blocking mechanism consisting of a barrel-blocking cylinder and a barrel-blocking block at the inlet of the chain conveyor 1-2. The barrel-blocking cylinder drives the barrel-blocking block fixed to the end of its piston rod to lift up, achieving the barrel-blocking function. The labeling device 2 can adopt the same structure as the prior art, and will not be described in detail here.

[0034] The barrel positioning part 4 also includes a mounting base 4-2 fixedly mounted on the side of the conveying device 1. A telescopic cylinder 4-3 is fixedly mounted on the mounting base 4-2. The piston rod end of the telescopic cylinder 4-3 is connected to the positioning component 4-1. A second guide rod component 4-4 is provided on both sides, connecting the positioning component 4-1 and the mounting base 4-2, to realize telescopic movement. The structure is simple and the action response is fast. The positioning component 4-1 includes a limiting block 4-1-1. The limiting block 4-1-1 has a second notch on the side near the barrel. At both ends of the second notch are symmetrically provided rollers 4-1-2 with rotation axes parallel to the central axis of the barrel. The rollers 4-1-2 form a limiting space adapted to the barrel. The barrel is positioned by the limiting block 4-1-1 with the notch, and the addition of the rollers 4-1-2 allows the barrel to rotate smoothly while being limited.

[0035] The rotating drum section 3 is centrally located between the two conveyor chains of the chain conveyor 1-2. The distance between adjacent conveyor chains is less than the diameter of the drum body, ensuring that the bottom of the drum body can effectively contact the chain conveyor 1-2 for smooth conveying. The rotating drum section 3 also includes a fixedly installed base plate 3-4, on which a lifting cylinder 3-5 is fixedly mounted. The piston rod of the lifting cylinder 3-5 is vertically upward and fixedly connected to the lifting plate 3-1. At least one pair of lifting cylinders 3-5 are provided and symmetrically located on both sides of the rotary drive mechanism 3-2. Each lifting cylinder 3-5 has a first guide rod assembly 3-6 symmetrically provided on both sides, connecting the lifting plate 3-1 and the base plate 3-4, to improve the stability of the lifting movement of the lifting plate 3-1.

[0036] The rotary drive mechanism 3-2 includes a servo motor 3-2-1 and a reducer 3-2-2 that is driven by the output shaft of the servo motor 3-2-1. The reducer 3-2-2 is fixedly mounted on the lifting plate 3-1, and its output end passes through the lifting plate 3-1 and is fixedly connected to the turntable 3-3. The turntable 3-3 has a weight-reducing hole 3-3-1 coaxially arranged at its center, thereby reducing the weight of the turntable 3-3, which in turn reduces the load on the servo motor and the lifting cylinder, and extends their service life. The rotation angle of the barrel can adopt the same structure as existing technologies, such as visual inspection and positioning mechanisms, photoelectric or mechanical inspection and positioning mechanisms, etc., which will not be described in detail here.

[0037] This invention features a liftable turntable 3-3 that extends through the conveyor plane and an openable barrel positioning part 4 along the barrel conveying line. The barrel positioning part 4 pushes the incoming barrels onto the turntable 3-3, which then lifts the barrels upwards, detaches them from the original conveyor plane, and rotates them to a suitable angle. The barrels are then lowered back to the original conveyor plane for continued conveying, facilitating subsequent automatic labeling. Compared to existing methods that use wheels to rotate the barrels in place on the conveyor plane, this improves barrel rotation accuracy without damaging the bottom of the barrels. Furthermore, by changing the power source from the traditional drive wheels on both sides of the conveyor to a turntable at the bottom of the barrel, more labeling space is provided for the barrels, enabling labeling of larger barrels. This increased space also allows for the addition of visual inspection functions, eliminating the need for subsequent re-inspection stations and saving overall line space.

[0038] The specific embodiments described above further illustrate the purpose, technical solution, and beneficial effects of this utility model. It should be understood that the above descriptions are merely specific embodiments of this utility model and are not intended to limit this utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A rotary drum positioning labeling machine, comprising a conveying device for conveying drums and a labeling device disposed on the side of the conveying device for automatic labeling, characterized in that: The conveying device has a rotating drum section below the conveying plane and a drum positioning section above it. The rotating drum section includes a lifting plate that can be raised and lowered and a rotary drive mechanism fixed on the lifting plate. The output end of the rotary drive mechanism is fixedly connected to a turntable that can pass through the conveying plane and is horizontally arranged. The drum positioning section includes positioning components symmetrically arranged on both sides of the rotating drum section. The positioning components can be horizontally extended and retracted along the direction perpendicular to the conveying direction of the drum.

2. The rotary drum positioning labeling machine according to claim 1, characterized in that: The conveying device includes a roller conveyor, a first notch is provided on the conveying plane of the roller conveyor, and a chain conveyor with the same conveying direction as the roller conveyor is provided at the first notch. The rotating drum is located between two conveying chains of the chain conveyor, and the distance between adjacent conveying chains is smaller than the diameter of the drum.

3. A rotary drum positioning labeling machine according to claim 2, characterized in that: The chain conveyor and the roller conveyor are connected by chain drive.

4. A rotary drum positioning labeling machine according to any one of claims 1 to 3, characterized in that: The rotating drum section also includes a fixed base plate, on which a lifting cylinder is fixedly mounted. The piston rod of the lifting cylinder is vertically upward and fixedly connected to the lifting plate.

5. A rotary drum positioning labeling machine according to claim 4, characterized in that: The rotary drive mechanism includes a servo motor and a reducer that is driven by the output shaft of the servo motor. The reducer is fixedly mounted on the lifting plate, and its output end passes through the lifting plate and is fixedly connected to the turntable.

6. A rotary drum positioning labeling machine according to claim 5, characterized in that: The lifting cylinders are provided in at least one pair and are symmetrically located on both sides of the rotary drive mechanism. Each lifting cylinder has a first guide rod assembly symmetrically provided on both sides, which is connected between the lifting plate and the base plate.

7. A rotary drum positioning labeling machine according to claim 5, characterized in that: The turntable is coaxially provided with a weight reduction hole at its center.

8. A rotary drum positioning labeling machine according to any one of claims 1 to 3, characterized in that: The barrel positioning part also includes a mounting base fixed to the side of the conveying device. A telescopic cylinder is fixed on the mounting base. The piston rod end of the telescopic cylinder is connected to the positioning component. A second guide rod assembly is provided on both sides, connecting the positioning component and the mounting base.

9. A rotary drum positioning labeling machine according to claim 8, characterized in that: The positioning component includes a limiting block, and the limiting block has a second notch on the side near the barrel. The two ends of the second notch are symmetrically provided with rollers whose rotation axis is parallel to the central axis of the barrel. The rollers form a limiting space that is adapted to the barrel.

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