A carton unstacking mechanism for a carton unstacking machine

Abstract

The utility model provides a kind of packing line unpacking machine turnover mechanism, it is related to packing line unpacking machine technical field, it includes turnover frame, with the turnover frame bottom vertical fixed turnover platform, fixed in the multiple suction cups of the turnover platform upper surface, and with the turnover frame of driving mechanism connection, still include the support plate of cross, the bottom surface of support plate is connected with the telescopic rod of pneumatic cylinder, the cylinder body of pneumatic cylinder is fixed in the bottom of turnover platform.The utility model solves the technical problem that large size or special-shaped box is easy to fall off when turning over in prior art.

Description

Technical Field

[0001] This utility model relates to the field of packaging line box opening machine technology, and in particular to a box flipping mechanism for a packaging line box opening machine. Background Technology

[0002] With the rapid development of logistics automation and intelligent manufacturing, case erectors on packaging lines have become an indispensable key piece of equipment in modern production lines and are now widely used. Among them, the case flipping mechanism, as the core actuator of the case erector, directly affects the stability and efficiency of case flipping.

[0003] A typical case-flipping mechanism in a packaging line includes a flipping frame, a flipping table, suction cups, and a support plate. The flipping table is fixed to the bottom of the flipping frame and has multiple suction cups mounted on its surface to adhere to the bottom of the case. The support plate is driven by a cylinder to contact the bottom of the case, assisting the suction cups in securing the case. Specifically, the support plate is connected to the cylinder; when the cylinder extends or retracts, it pushes the support plate forward to push the case. During operation, after the suction cups adhere to the case, the flipping frame rotates the flipping table 90 degrees, and the support plate supports the bottom of the case, preventing the case from falling off due to deformation of the suction cups during the flipping process. In existing technology, the support plate is rectangular.

[0004] During the implementation process, the inventors discovered that the above-mentioned prior art has at least the following defects: the size of the rectangular support plate is limited by the installation spacing of the suction cups, which will result in insufficient support area for the bottom of the box. Especially when flipping large or irregularly shaped boxes, the box is prone to fall off due to uneven local force. Utility Model Content

[0005] This application provides a box-flipping mechanism for a packaging line box-opening machine, which solves the technical problem in the prior art where large-sized or irregularly shaped boxes are easily detached during flipping due to insufficient support plate area.

[0006] To solve the above-mentioned technical problems, this utility model adopts the following technical solution: a box-opening and flipping mechanism for a packaging line, comprising a flipping frame, a flipping table vertically fixed to the bottom of the flipping frame, and multiple suction cups fixed to the upper surface of the flipping table, and also including a cross-shaped support plate, the bottom surface of which is connected to the telescopic rod of a cylinder, the cylinder body of which is fixed to the bottom of the flipping table. The horizontal and vertical support arms of the cross-shaped support plate can significantly increase the contact area with the bottom of the box, thereby more reliably fixing the box during the flipping process and reducing the risk of the box falling off.

[0007] As a further improvement to the above solution, an upper support seat is welded to the bottom surface of the support plate, and the upper support seat is provided with a threaded interface that matches the cylinder telescopic rod; this ensures the connection strength between the two, allowing the support plate to withstand greater supporting force without falling off. In addition, the upper support seat can also effectively transmit the power of the cylinder telescopic rod to the support plate, ensuring that the movement of the support plate is smooth and accurate, and improving the working stability and reliability of the box-flipping mechanism.

[0008] As a further improvement to the above solution, a lower support base is fixed to the bottom of the tilting table, and the cylinder body is fixed to the lower support base. The lower support base provides stable support for the cylinder, ensuring that the cylinder maintains a fixed position during extension and retraction, thereby ensuring the stability of the support plate movement. At the same time, the lower support base evenly transmits the force of the cylinder to the tilting table, which can avoid damage caused by excessive local stress.

[0009] As a further improvement to the above solution, two guide rods are also included, which pass vertically through the tilting table and the lower support base; thus, when the telescopic rod of the cylinder drives the support plate to move, the guide rods can ensure that the support plate moves along a predetermined trajectory, preventing it from deviating or shaking during the movement, thereby improving the stability of the tilting mechanism.

[0010] As a further improvement to the above scheme, two guide rods are symmetrically distributed on both sides of the cylinder extension rod; this can reduce the vibration and sway of the cylinder during the extension and retraction process.

[0011] As a further improvement to the above scheme, the cylinder is a double-acting cylinder; the double-acting cylinder can realize the reciprocating motion of the cylinder's extension rod in two directions by inputting compressed air, so that the support plate can both push the box forward and retract backward for adjustment.

[0012] As a further improvement to the above solution, the suction cup is a vacuum suction cup with a diameter of 65mm; this allows for a stronger adsorption force through a larger adsorption area.

[0013] As a further improvement to the above solution, four suction cups are provided, with two suction cups installed close to the flipping frame and the other two suction cups located on the side of the flipping table away from the flipping frame, and the center line connecting the four suction cups is distributed in a rectangle.

[0014] As can be seen from the above technical solutions, this utility model has at least the following technical effects or advantages:

[0015] 1. The support plate features a cross-shaped structure. For large or irregularly shaped boxes, traditional rectangular support plates may not provide sufficient support, while the cross-shaped support plate better adapts to different box bottom shapes, offering a higher degree of fit and further enhancing support stability. This ensures the suction cup maintains effective adhesion to the box during flipping. Furthermore, the cross-shaped horizontal and vertical support arms significantly increase the contact area with the box bottom compared to traditional rectangular support plates. During flipping, this increased contact area provides more reliable support, distributing and evenly distributing the force on the box bottom, thus reducing the risk of the box falling off due to suction cup deformation caused by excessive localized stress.

[0016] 2. Because the upper support base is connected to the bottom surface of the support plate by welding and has a threaded interface that matches the cylinder telescopic rod, the connection strength between the two is ensured, allowing the support plate to withstand greater supporting force without falling off. In addition, the upper support base can effectively transmit the power of the cylinder telescopic rod to the support plate, ensuring that the movement of the support plate is smooth and accurate, and improving the working stability and reliability of the box-tilting mechanism;

[0017] 3. Because the bottom of the tilting table is fixed with a lower support base, the lower support base can provide stable support for the cylinder, ensuring that the cylinder maintains a fixed position during extension and retraction, thereby ensuring the stability of the support plate's movement. At the same time, the lower support base evenly distributes the force of the cylinder to the tilting table, which can avoid damage caused by excessive local stress;

[0018] 4. Since the box-opening machine's box-flipping mechanism also includes a guide rod, which passes vertically through the flipping table and the lower support base, when the cylinder's telescopic rod drives the support plate to move, the guide rod can ensure that the support plate moves along a predetermined trajectory, preventing it from shifting or shaking during movement, thereby improving the stability of the box-flipping mechanism.

[0019] 5. The guide rods are symmetrically distributed on both sides of the cylinder extension rod. This symmetry ensures that the support plate is subjected to uniform force and moves smoothly. During cylinder extension and retraction, this symmetrical layout effectively reduces vibration and sway, improving the stability and reliability of the box-tilting mechanism.

[0020] 6. The suction cup uses a 65mm diameter vacuum suction cup. Compared with the standard size vacuum suction cup, the 65mm diameter vacuum suction cup can provide a larger adsorption area and stronger adsorption force, thereby avoiding the phenomenon of the box falling off due to insufficient adsorption force to a certain extent.

[0021] 7. Since there are four suction cups and the center line connecting the four suction cups forms a rectangle, the rectangular distribution of the suction cups can make the adsorption force on the bottom of the box more even, thus further improving the stability of the adsorption. Attached Figure Description

[0022] To more clearly illustrate the technical solution of this utility model, the accompanying drawings used in the description will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0023] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0024] Figure 2 This is a structural schematic diagram of the present invention from another angle;

[0025] Figure 3 This is a schematic diagram of the structure of the present invention with the support plate completely hidden.

[0026] Explanation of reference numerals in the attached diagram: 1. Tilting frame, 2. Tilting table, 3. Support plate, 4. Suction cup, 5. Upper support base, 6. Lower support base, 7. Guide rod, 8. Cylinder. Detailed Implementation

[0027] To enable those skilled in the art to better understand the technical solutions of this utility model, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this patent, other embodiments obtained by those skilled in the art without creative effort are all within the scope of protection of this patent.

[0028] This utility model discloses a box-flipping mechanism for a packaging line box-opening machine, comprising a flipping frame 1, a flipping table 2, suction cups 4, a support plate 3, a cylinder 8, a guide rod 7, an upper support base 5, and a lower support base 6. One end of the flipping frame 1 is connected to a drive mechanism, and the other end is vertically fixed to the surface of the flipping table 2. The flipping table 2 is used to place boxes, and the flipping action of the flipping frame 1 can drive the flipping table 2 and the boxes on it to flip. Multiple suction cups 4 are installed on the flipping table 2 to adhere to the bottom of the boxes, ensuring initial fixation of the boxes during flipping. The support plate 3 is driven by the cylinder 8 and can contact the bottom of the boxes to assist the suction cups 4 in fixing the boxes.

[0029] In this specific embodiment, the support plate 3 is in the shape of a cross. The horizontal and vertical support arms of the cross-shaped support plate 3 increase the contact area between the surface of the support plate 3 and the bottom of the box. During the flipping process of the mechanism, the box can be kept more stable, avoiding the box from swaying back and forth or left and right, and reducing the risk of the box falling off.

[0030] like Figure 1 As shown, the flipping frame 1 is located on the left and right sides of the mechanism. It includes two columnar frames. One end of the flipping frame 1 is fixed perpendicularly to the table surface of the flipping table 2, and the other end of the flipping frame 1 is connected to the drive mechanism. The drive mechanism is existing technology and is well known to those skilled in the art, so it will not be described in detail in this embodiment. The drive mechanism is a telescopic cylinder. When the drive mechanism retracts, the box-flipping mechanism can flip around the connection between the flipping frame 1 and the flipping table 2, thereby causing the box on the flipping table 2 to flip. During the box flipping process, the side of the box contacts the side of the flipping frame 1, and the bottom surface of the box is attracted by the suction cup 4 and simultaneously contacts the upper surface of the support plate 3.

[0031] The tilting table 2 is a rectangular frame structure. One side of the tilting table 2 is vertically fixed to the end of the tilting frame 1. In the initial state, the tilting table 2 is horizontal, and the tilting frame 1 is vertical. Figure 2 As shown, when the tilting table 2 is in a horizontal position, a lower support base 6 is fixed to its bottom, and a suction cup 4 is installed on its upper part. Specifically, the lower support base 6 has a U-shaped structure, including a strip-shaped web and wing plates located at both ends of the web, wherein the edges of the two wing plates are fixed to the bottom of the tilting table 2 by welding. The cylinder body of the cylinder 8 is fixed to the lower support base 6, and the extension direction of the cylinder 8 is perpendicular to the web surface of the lower support base 6. The suction cup 4 is installed on the upper surface of the tilting table 2 and connected to a vacuum generator. Thus, the tilting table 2 can provide a foundation for supporting and tilting the box.

[0032] In this embodiment, four suction cups 4 are provided. Two suction cups 4 are located on the side of the flipping platform 2 closer to the flipping frame 1, and the other two suction cups 4 are located on the side of the flipping platform 2 away from the flipping frame 1. The center lines of the four suction cups 4 are arranged in a rectangle. The bottom of the suction cup 4 passes through the surface of the flipping platform 2 and is fixed to the flipping platform 2. It is then connected to a vacuum generator through an air pipe. The vacuum generator generates negative pressure to achieve adsorption on the bottom of the box. Specifically, in this embodiment, the suction cup 4 is a vacuum suction cup with a diameter of 65mm. Compared with a conventionally sized vacuum suction cup, a 65mm diameter vacuum suction cup can provide a larger adsorption area and stronger adsorption force, thereby avoiding the box falling off due to insufficient adsorption force to a certain extent. At the same time, the rectangular arrangement of the suction cups 4 in this embodiment makes the adsorption force of the suction cups 4 on the bottom of the box more evenly distributed, further improving the stability of adsorption. It should be understood that the number of suction cups 4 is not limited to four. In other embodiments, more can be provided, such as three or more suction cups 4 on the side of the flipping table 2 close to the flipping frame 1, and three or more suction cups 4 on the side of the flipping table 2 away from the flipping frame 1.

[0033] Combination Figure 2 , Figure 3As shown, in this embodiment, an upper support seat 5 is fixed to the bottom of the support plate 3. The upper support seat 5 is connected to the telescopic rod of the cylinder 8. Specifically, the upper support seat 5 has a U-shaped structure, including a strip-shaped web and wing plates at both ends of the web. The edges of the two wing plates are fixed to the bottom of the support plate 3 by welding, and the web is located directly below the center of the support plate 3. The upper support seat 5 is also provided with a threaded interface, which is connected to the telescopic rod of the cylinder 8. In this embodiment, the upper support seat 5 avoids direct fixing of the support plate 3 and the telescopic rod of the cylinder 8, ensuring a firm and stable connection between the support plate 3 and the telescopic rod of the cylinder 8, thereby making the support plate 3 more stable during movement.

[0034] In this embodiment, the cylinder 8 is a double-acting cylinder. After the cylinder body of the cylinder 8 is fixed to the lower support base 6, its telescopic rod is fixed to the support plate 3. Specifically, in this embodiment, both the lower support base 6 and the tilting table 2 are provided with through holes for the telescopic rod of the cylinder 8 to pass through. The telescopic rod of the cylinder 8 passes through the corresponding through holes on the lower support base 6 and the tilting table 2 in sequence and is then fixed to the threaded interface of the upper support base 5. The double-acting cylinder 8 can achieve the extension and retraction of the telescopic rod by inputting compressed air, thereby allowing the support plate 3 to both push the housing forward and retract backward for adjustment. It should be understood that in other embodiments, the telescopic rod of the cylinder 8 can also be welded to the upper support base 5.

[0035] In addition, the case-flipping mechanism of the packaging line box-opening machine also includes guide rods 7, which are cylindrical and there are two of them. The two guide rods 7 are symmetrically distributed on both sides of the telescopic rod of the cylinder 8, and the guide rods 7 pass through the table surface of the flipping table 2 and the lower support base 6 in sequence. The guide rods 7 can ensure that the support plate 3 moves along a predetermined trajectory under the drive of the telescopic rod of the cylinder 8. At the same time, the two symmetrically distributed guide rods 7 can reduce the vibration and sway of the cylinder 8 during the extension and retraction process.

[0036] The working process of the box-opening and box-flipping mechanism of the packaging line disclosed in this utility model is as follows:

[0037] The suction cup 4 adheres to the bottom of the box, then the telescopic rod of the cylinder 8 extends, moving the support plate 3 forward to contact the bottom of the box, providing support. Next, the flipping frame 1 drives the flipping table 2 to rotate 90 degrees. During this process, the support plate 3 continuously supports the bottom of the box, preventing the box from falling off due to deformation of the suction cup 4. After the box has flipped, the air pressure in the suction cup 4 returns to normal, and then the telescopic rod of the cylinder 8 extends forward, pushing the support plate 3 forward and pushing the box onto the horizontal plane. The support plate 3 has a cross-shaped structure. For large or irregularly shaped boxes, traditional rectangular support plates may not provide sufficient support, while the cross-shaped support plate can better adapt to different shapes of the box bottom, with a higher degree of fit, further enhancing the stability of the support and ensuring that the suction cup 4 can maintain effective adhesion to the box during the flipping process. Moreover, the cross-shaped horizontal and vertical support arms significantly increase the contact area with the bottom of the box compared to traditional rectangular support plates. During the flipping process, the increased contact area can more reliably support the box, making the force on the bottom of the box more dispersed and even, thereby reducing the risk of the box falling off due to the deformation of the suction cup 4 caused by excessive local force.

[0038] In the description of this utility model, the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "vertical," and "horizontal," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for describing this utility model and do not require that this utility model be constructed or operated in a specific orientation, and therefore should not be construed as limiting this utility model. The terms "connected" and "linked" in this utility model should be interpreted broadly. For example, they can refer to a connection or a detachable connection; they can refer to a direct connection or an indirect connection through intermediate components. Those skilled in the art can understand the specific meaning of the above terms according to the specific circumstances.

[0039] The above description of the disclosed embodiments enables those skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in its embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novelty disclosed herein.

Claims

1. A case-flipping mechanism for a packaging line case-opening machine, comprising a flipping frame (1), a flipping table (2) vertically fixed to the bottom of the flipping frame (1), and a plurality of suction cups (4) fixed to the upper surface of the flipping table (2), characterized in that, It also includes a cross-shaped support plate (3), the bottom surface of which is connected to the telescopic rod of the cylinder (8), and the cylinder body of the cylinder (8) is fixed to the bottom of the tilting table (2).

2. The case-flipping mechanism of a packaging line case-opening machine according to claim 1, characterized in that, The bottom surface of the support plate (3) is welded with an upper support seat (5), and the upper support seat (5) is provided with a threaded interface that matches the telescopic rod of the cylinder (8).

3. The case-flipping mechanism of a packaging line case-opening machine according to claim 2, characterized in that, The bottom of the tilting table (2) is fixed with a lower support base (6), and the cylinder body of the cylinder (8) is fixed with the lower support base.

4. The case-flipping mechanism of a packaging line case-opening machine according to claim 3, characterized in that, It also includes two guide rods (7), which pass vertically through the flipping table (2) and the lower support (6).

5. The case-flipping mechanism of a packaging line case-opening machine according to claim 4, characterized in that, Two guide rods (7) are symmetrically distributed on both sides of the telescopic rod of the cylinder (8).

6. A case-flipping mechanism for a packaging line case-opening machine according to any one of claims 1 to 5, characterized in that, Cylinder (8) is a double-acting cylinder.

7. The case-flipping mechanism of a packaging line case-opening machine according to claim 6, characterized in that, The suction cup (4) is a vacuum suction cup with a diameter of 65mm.

8. The case-flipping mechanism of a packaging line case-opening machine according to claim 7, characterized in that, There are four suction cups (4), two of which are installed close to the flipping frame (1), and the other two are located on the side of the flipping table (2) away from the flipping frame (1), and the center line of the four suction cups (4) is arranged in a rectangle.

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