Corrugated board anti-lifting conveying device for cartoning machine

Abstract

This utility model relates to the field of packaging machinery technology, specifically to a corrugated board anti-tilting conveying device for a case packing machine and a beverage bottle case packing machine. The conveying device includes an inclined conveying mechanism, with stops for pushing the corrugated board spaced apart on both sides of the conveying surface. The device is characterized by: at least one pressure bar located above the upper end of the conveying mechanism. The pressure bar is made of a flexible metal plate, with one end fixed to the frame at the upper end of the conveying mechanism and the other end free, extending inclined downwards along the conveying surface of the conveying mechanism and corresponding to the conveying surface between the two stops; several fixed seats are spaced apart on the upper surface of the pressure bar near the free end, and counterweights are detachably mounted on the pressure bar via these fixed seats. This device effectively prevents the rear end of the corrugated board from tilting during inclined conveying, ensuring the continuity and stability of the case packing operation.

Description

Technical Field

[0001] This utility model relates to the field of packaging machinery technology, specifically to a beverage bottle packing machine, and more particularly to a corrugated board anti-tilting conveying mechanism for the packing machine. Background Technology

[0002] In beverage production lines, automated case packers are key equipment in the downstream packaging process. Their normal operating principle is as follows: the upper part transports filled beverage bottles via a first conveyor belt, and then groups them according to their box capacity through a grouping mechanism; the lower part is equipped with a packaging box conveying mechanism, which separates the stacked corrugated cardboard boxes one by one and inserts them at an angle under the bottle groups above, finally completing the folding and sealing of the box.

[0003] In the prior art, packaging box conveying mechanisms typically include a second conveyor belt for conveying stacked corrugated boards. The end of the second conveyor belt has an upwardly inclined conveying mechanism (such as a chain or conveyor belt) with spaced stops on its conveying surface. After the bottom corrugated board is conveyed by the second conveyor belt, it slides into the inclined conveying mechanism and slides backward under inertia until its rear end abuts against a stop. It is then pushed upward by the stop until its top end is angled into the bottom of the pre-grouped bottled beverage containers above.

[0004] However, this structure has a significant drawback: when the corrugated sheet is pushed on the upward-sloping conveyor surface, it must remain in constant contact with the surface to be effectively pushed. But in actual operation, as the corrugated sheet is conveyed near the top of the conveyor mechanism, its front end gradually extends beyond it. When the extension becomes too long, the center of gravity of the corrugated sheet shifts forward beyond the supporting surface below, causing the front end to fall downwards while the rear end tilts up and loses contact with the stop. Without the pushing force of the stop, the corrugated sheet stops moving, causing jamming and equipment downtime, severely impacting production efficiency and reliability.

[0005] Therefore, an improved solution is urgently needed to solve the technical problem of the corrugated sheet tilting and detaching from the stop during inclined conveying. Utility Model Content

[0006] The purpose of this utility model is to overcome the shortcomings of the prior art and provide a simple and easy-to-adjust corrugated board anti-tilting conveying device for a carton packing machine, which can effectively prevent the front end of the corrugated board from tilting during inclined conveying, and ensure the continuity and stability of the carton packing operation.

[0007] To achieve the aforementioned objectives, this utility model first proposes a corrugated board anti-tilting conveying device for a case packing machine, which is implemented through the following technical solution:

[0008] A corrugated board anti-tilting conveying device for a case packing machine includes an inclined conveying mechanism, with stops for pushing the corrugated board spaced apart on both sides of the conveying surface of the conveying mechanism; characterized in that: at least one pressure strip is provided above the upper end of the conveying mechanism, the pressure strip is made of an elastic metal long plate, one end of which is a fixed end fixed to the frame at the upper end of the conveying mechanism, and the other end is a free end, the free end extending inclinedly downward along the conveying surface of the conveying mechanism and corresponding to the conveying surface of the conveying mechanism between the two stops; a plurality of fixed seats are spaced apart on the upper surface of the pressure strip near the free end, and counterweights are detachably mounted on the pressure strip through the fixed seats.

[0009] More preferably, the fixing seat is a vertical plate erected on the upper surface of the pressure strip, and the plate surface is arranged along the width direction of the pressure strip; the counterweight block is provided with a slot that matches the shape of the fixing seat, and is fixedly connected to the fixing seat by a set screw.

[0010] More preferably, there are multiple fixed seats. The operator can adjust the deformation curve of the free end of the pressure strip and the minimum distance between it and the conveying surface of the conveying mechanism by selecting the fixed seats at different positions and selecting the number of counterweights to install. The minimum distance should be less than the height of the stop block.

[0011] More preferably, the lower surface of the pressure strip is a smooth plane.

[0012] More preferably, the number of pressure strips is two or more, arranged in parallel at intervals along the width direction perpendicular to the conveying direction.

[0013] More preferably, the fixed end of the pressure strip is centrally fixed by a mounting beam, which is mounted on the frame at the upper end of the conveying mechanism.

[0014] The beneficial effects of this utility model are:

[0015] 1. An elastic pressure strip is installed above the conveying mechanism, with its free end hanging down naturally and covering the area where the corrugated sheet may warp. When the corrugated sheet tends to warp, it will touch the pressure strip. The pressure strip uses its elasticity and the downward pressure provided by the counterweight at its end to press the rear end of the corrugated sheet back onto the conveying surface, ensuring that its rear end always remains in contact with the stop block, thereby avoiding material jamming.

[0016] 2. The counterweight installation structure is located above the pressure strip, ensuring that the lower surface in contact with the corrugated board is smooth and flat, avoiding the risk of scratching the corrugated board.

[0017] 3. The total downward pressure can be adjusted by adding, removing, or replacing the counterweights. By installing counterweights on the multi-position fixed bases, the stress-deformation curve of the pressure bar can be precisely adjusted, making the pressure application more uniform and more in line with actual mechanical requirements, thus exhibiting excellent adaptability.

[0018] 4. This improvement scheme only requires the addition of a few components to the existing conveying mechanism. It has a simple structure, low manufacturing cost, convenient installation and maintenance, and high reliability, making it very suitable for upgrading existing packing machines.

[0019] 5. It solved the downtime problem caused by corrugated board warping, greatly improving the operating efficiency and stability of the entire production line. Attached Figure Description

[0020] The above features and advantages of the present invention will become clearer and easier to understand from the following description of exemplary embodiments thereof in conjunction with the accompanying drawings.

[0021] Figure 1 This is a schematic diagram of the structure of the corrugated board anti-warping conveying device according to an embodiment of the present utility model;

[0022] Figure 2 for Figure 1 A magnified view of a portion of the image;

[0023] Figure 3 This is a top view schematic diagram of the anti-warping conveying device for corrugated boards according to an embodiment of this utility model. Detailed Implementation

[0024] The following specific embodiments illustrate the implementation of this utility model. Those skilled in the art can easily understand other advantages and effects of this utility model from the content disclosed in this specification. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0025] The terms "front," "rear," "left," "right," "inner," and "outer" used in this specification are merely for clarity of description and are not intended to limit the scope of implementation of this utility model. Any changes or adjustments to their relative relationships, without substantially altering the technical content, shall also be considered within the scope of implementation of this utility model.

[0026] In the description of the following embodiments, unless otherwise expressly specified and limited, the term "connection" and other such terms should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral part; it can be a mechanical connection or an indirect connection through an intermediate medium; it can be the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0027] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0028] like Figures 1 to 3 As shown, the improved corrugated board anti-tilting conveying mechanism of this utility model is part of a beverage bottle packing machine.

[0029] The beverage bottle packing machine has a first conveyor belt at the top, which transports filled beverage bottles and includes a grouping mechanism to group the bottles and transport them forward. A packaging box conveying mechanism is located at the bottom. First, stacked corrugated cardboard boxes are pushed to a workstation. A second conveyor belt is located below this workstation. When the second conveyor belt runs, it moves the bottommost corrugated cardboard box forward, causing the upper corrugated cardboard box to move and slide relative to it. As the lower corrugated cardboard box is transported forward, the stacked corrugated cardboard boxes change to a bottom-to-top, sequentially forward structure. The bottommost corrugated cardboard box detaches from the second conveyor belt and enters the conveying mechanism, being transported upwards at an angle until it is inserted obliquely under the group of bottled beverages on the upper conveyor belt. Finally, it is folded and secured to complete the packing. This is a conventional beverage bottle packing machine structure. Only its basic working principle is described here; detailed structural components are not elaborated upon, and components not within the scope of this invention are omitted from the accompanying drawings.

[0030] See Figure 1 In this embodiment, the conveying mechanism 1 is a chain conveyor, which includes a horizontal conveying section and an inclined conveying section. The horizontal conveying section receives the corrugated sheets from the second conveyor belt, and then the corrugated sheets 2 are conveyed upwards at an inclined angle in the inclined conveying section. A pair of stops 11 are fixed at regular intervals on the conveying surface of the conveying mechanism 1, with each pair of stops 11 symmetrically arranged on the left and right sides of the conveying surface. After the bottom corrugated sheet is conveyed by the second conveyor belt, it first slides into the horizontal conveying section, then into the inclined conveying section, and slides backwards under gravity until its rear end abuts against the stop 11, after which it is pushed upwards by the stop 11.

[0031] Two parallel pressure strips 3 are installed at the upper end of the conveying mechanism 1, above the position where the corrugated plate 2 is raised. The pressure strips 3 are positioned between the two stops 11 corresponding to the conveying surface of the conveying mechanism 1, avoiding the path of the two stops 11.

[0032] The pressure strip 3 is made of spring steel plate with good elasticity and fatigue resistance, and its lower surface is a smooth plane. The fixed ends 31 of the two pressure strips 3 are fixed together to a mounting beam 5, which is fastened to the frame 7 of the conveying mechanism 1 by bolts (not fully shown in the figure). The free end 32 of the pressure strip 3 starts from the mounting point and extends naturally downward along the inclination angle of the conveying mechanism 1. The pressure strip 3 is arched, and its end tends to move away from the conveyor belt when no counterweight is installed.

[0033] On the upper surface of each pressure strip 3, near the free end 32, a plurality of fixing seats 6 made of thin steel sheets are welded. These fixing seats 6 are vertical plates that stand on the upper surface of the pressure strip 3, and their plates are arranged along the width direction of the pressure strip 3.

[0034] The counterweight 4 is designed as a block, with a slot 41 machined on its bottom that matches the thickness of the fixing base 6. The side of the counterweight 4 has screw holes that mate with set screws 42.

[0035] During operation, the operator selects one or more suitable mounting bases 6 according to the required size and distribution of the counterweight. The slot 41 of the counterweight block 4 is aligned with the selected mounting base 6 and inserted, so that the mounting base 6 is embedded in the slot 41. Then, the set screw 42 is screwed in from the side until its end firmly presses against the side of the mounting base 6, thereby securely locking the counterweight block 4 onto the pressure strip 3. By installing counterweight blocks of different weights at different positions, the elastic deformation characteristics of the pressure strip 3 can be finely controlled. Preferably, the minimum vertical distance between the pressure strip 3 and the conveying surface should be less than the height of the stop block 11.

[0036] Work process:

[0037] The corrugated sheet 2 is pushed upward by the rear stop 11 and moves upward along the inclined conveyor mechanism 1. When its front end moves to near the top of the conveyor mechanism 1 and begins to suspend in the air, it enters the coverage area of ​​the pressure strip 3.

[0038] If the corrugated sheet 2 is being transported normally, it will pass smoothly under the smooth pressure strip 3 without affecting normal transport.

[0039] If the corrugated sheet 2 has a tendency to warp: its front end falls downward and its rear end tends to warp upward. Before its rear end detaches from the stop block 11, it will touch the free end 32 of the upper pressure strip 3. The elastic pressure strip 3 will press the corrugated sheet 2 downward to prevent its rear end from continuing to warp, so that it can adhere to the conveyor surface, thereby ensuring that its rear end is always reliably pressed against the stop block 11 and continues to be stably pushed upward to complete the subsequent box insertion action.

[0040] The beneficial effects of this utility model are:

[0041] 1. An elastic pressure strip is installed above the conveying mechanism, with its free end hanging down naturally and covering the area where the corrugated sheet may warp. When the corrugated sheet tends to warp, it will touch the pressure strip. The pressure strip uses its elasticity and the downward pressure provided by the counterweight at its end to press the corrugated sheet back onto the conveying surface, ensuring that its rear end always remains in contact with the stop block, thereby avoiding material jamming.

[0042] 2. The counterweight installation structure is located above the pressure strip, ensuring that the lower surface in contact with the corrugated board is smooth and flat, avoiding the risk of scratching the corrugated board.

[0043] 3. The total downward pressure can be adjusted by adding, removing, or replacing the counterweights. By installing counterweights on the multi-position fixed bases, the stress-deformation curve of the pressure bar can be precisely adjusted, making the pressure application more uniform and more in line with actual mechanical requirements, thus exhibiting excellent adaptability.

[0044] 4. This improvement scheme only requires the addition of a few components to the existing conveying mechanism. It has a simple structure, low manufacturing cost, convenient installation and maintenance, and high reliability, making it very suitable for upgrading existing packing machines.

[0045] 5. It solved the downtime problem caused by corrugated board warping, greatly improving the operating efficiency and stability of the entire production line.

[0046] The present invention has been described in detail above through embodiments. However, those skilled in the art will understand that the above embodiments are only one of the preferred embodiments of the present invention. Due to space limitations, not all embodiments can be listed here. Any implementation that can embody the technical solution of the claims of the present invention is within the protection scope of the present invention.

[0047] It should be noted that the above content is a further detailed description of the present utility model in conjunction with specific embodiments, and it should not be considered that the specific embodiments of the present utility model are limited to this. Under the guidance of the above embodiments, those skilled in the art can make various improvements and modifications based on the above embodiments, and these improvements or modifications fall within the protection scope of the present utility model.

Claims

1. A corrugated board anti-tilting conveying device for a case packing machine, comprising an inclined conveying mechanism, wherein baffles for pushing the corrugated board are spaced apart on both sides of the conveying surface of the conveying mechanism; characterized in that: At least one pressure bar is provided above the upper end of the conveying mechanism. The pressure bar is made of a flexible metal plate, with one end being a fixed end fixed to the frame at the upper end of the conveying mechanism, and the other end being a free end. The free end extends downward at an incline along the conveying surface of the conveying mechanism and is positioned corresponding to the conveying surface between the two stops. Several fixed seats are provided at intervals on the upper surface of the pressure bar near the free end, and the counterweight is detachably mounted on the pressure bar through the fixed seats.

2. The anti-warping conveying device for corrugated board used in a case packing machine according to claim 1, characterized in that: The fixing base is a vertical plate erected on the upper surface of the pressure strip, and the plate surface is arranged along the width direction of the pressure strip; the counterweight block is provided with a slot that matches the shape of the fixing base, and is fixedly connected to the fixing base by a set screw.

3. The anti-warping conveying device for corrugated board used in a case packing machine according to claim 2, characterized in that: The number of fixed seats is multiple. The operator can adjust the deformation curve of the free end of the pressure strip and the minimum distance between it and the conveying surface of the conveying mechanism by selecting the fixed seats at different positions and selecting the number of counterweights to install. The minimum distance should be less than the height of the stop block.

4. The anti-warping conveying device for corrugated board used in a case packing machine according to claim 1, characterized in that: The lower surface of the pressure strip is a smooth plane.

5. The anti-warping conveying device for corrugated board used in a case packing machine according to claim 1, characterized in that: The number of pressure strips is two or more, arranged in parallel at intervals along the width direction perpendicular to the conveying direction.

6. The anti-warping conveying device for corrugated board used in a case packing machine according to claim 5, characterized in that: The fixed end of the pressure strip is centrally fixed by a mounting beam, which is mounted on the frame at the upper end of the conveying mechanism.

7. The anti-warping conveying device for corrugated board used in a case packing machine according to claim 1, characterized in that: The pressure bar is arched, and its end tends to move away from the conveyor belt when no counterweight is installed.

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