Packaging box feeding mechanism of packaging machine

Abstract

The utility model provides a packaging box feeding mechanism of a packaging machine, and belongs to the technical field of packaging machines. The problem that the labor intensity of workers is large when packaging boxes are fed through an existing packaging machine is solved. The packaging box feeding mechanism of the packaging machine comprises a box frame used for storing packaging boxes, an outlet allowing the packaging boxes to pass through is formed in the lower end of the box frame, a suction cup which can move up and down and is arranged upwards is arranged below the outlet, and a limiting rod arranged in the vertical direction is arranged in the middle of one side of the box frame; an L-shaped box blocking plate is fixed to the position, below the outlet, of the limiting rod and comprises a vertical part and a horizontal part, wherein the vertical part is vertically arranged and located between the limiting rod and the suction cup, and the horizontal part is connected to the lower end of the vertical part and is opposite to the suction cup. According to the to-be-packaged pipe feeding mechanism, the working efficiency of a packaging machine is improved. According to the packaging box feeding mechanism, the labor intensity of workers is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of packing machine relates to a packing box feeding mechanism of packing machine. BACKGROUND

[0002] The glue pipe is a kind of container for storing glue, generally aluminum pipe or plastic hose.When filling glue, the head of the glue pipe is sealed downward, the tail of the glue pipe is opened upward, and the glue is filled from the tail of the glue pipe.After the glue is filled into the glue pipe, the tail of the glue pipe is folded several times to form a seal or sealed by heating.For example, a glue filling machine [publication number: CN207843487U] disclosed in Chinese patent document, the tail of the glue pipe is sealed, and the glue pipe is pushed out from bottom to top by the ejector rod for discharging.After that, the glue pipe needs to be loaded into the packing box.

[0003] The existing packaging machine, such as a high-integration full-automatic packaging production equipment [publication number: CN115959349A] disclosed in Chinese patent document, includes a rack, a feeding mechanism, an upper box mechanism, a suction box mechanism, a box conveying mechanism, a pushing mechanism, a box pressing mechanism and a tongue folding and inserting mechanism arranged on the rack, wherein the feeding mechanism is used to convey the to-be-packaged objects from the feeding port to the discharging port, the upper box mechanism is stacked with packing boxes, the suction box mechanism is used to suction and convey the packing boxes on the upper box mechanism to the box conveying mechanism, the box conveying mechanism is used to convey the packing boxes from the upper box port to the lower box port, and the pushing mechanism is used to push the to-be-packaged objects at the discharging port into the packing box at the upper box port.The box conveying mechanism includes two oppositely arranged conveying frames, each conveying frame is provided with a rotatable conveying assembly, the conveying assemblies on the two conveying frames are used to jointly carry the packing boxes and convey them, and each conveying assembly is sequentially provided with a plurality of limiting assemblies, the limiting assembly includes a first limiting piece and a second limiting piece, and the first limiting piece and the second limiting piece are used to accommodate the packing box.

[0004] The packaging box is generally a paper box, comprising a box body in the shape of a cuboid, the box body having four side walls, which are respectively an upper side wall and a lower side wall formed by length and width dimensions and a left side wall and a right side wall formed by length and height dimensions, the front end of the upper side wall being further provided with a front cover plate, the rear end of the lower side wall being further provided with a rear cover plate, the front cover plate having a lower insertion tongue, the rear cover plate having an upper insertion tongue, and the front and rear ends of the left side wall being respectively provided with a front left wing plate and a rear left wing plate, and the front and rear ends of the right side wall being respectively provided with a front right wing plate and a rear right wing plate.

[0005] Therefore, when the to-be-packaged objects need to be loaded into the packaging boxes, the upper side wall and the lower side wall of the box body of the packaging box need to be pulled apart, and the flat box body needs to be pulled into the shape of a cuboid. In the above packaging machine, since no mechanism for pulling apart the upper side wall and the lower side wall of the box body of the packaging box is arranged, the worker needs to manually pull apart the upper side wall and the lower side wall of the box body of the packaging box and then place the packaging box on the box loading mechanism. Since the working pace of the installation machine is fast, the worker needs to continuously pull apart the upper side wall and the lower side wall of the box body of the packaging box and place the packaging box on the box loading mechanism without any rest time, thereby increasing the labor intensity of the worker. Utility model content

[0006] The utility model discloses a packaging box loading mechanism of packaging machine, which solves the technical problem of high labor intensity of workers in the loading of packaging boxes of the existing packaging machine.

[0007] The utility model discloses a packaging box loading mechanism of packaging machine, which solves the technical problem of high labor intensity of workers in the loading of packaging boxes of the existing packaging machine.

[0008] A packaging box loading mechanism of packaging machine, comprising a box rack for storing packaging boxes, the lower end of the box rack being provided with an outlet through which the packaging boxes can pass, and a suction cup being arranged below the outlet and upwardly, characterized in that a limiting rod is arranged in the middle of one side of the box rack and extends in the upward-downward direction, an L-shaped box blocking plate is fixed below the outlet on the limiting rod, and the box blocking plate comprises a vertical portion arranged vertically between the limiting rod and the suction cup and a horizontal portion connected to the lower end of the vertical portion and arranged away from the suction cup.

[0009] The box frame is generally placed above the feeding end of the box feeding mechanism, the suction disc, the limiting rod and the box blocking plate are located between the two feeding frames of the box feeding mechanism, and the vertical part of the suction disc and the box blocking plate and the limiting rod are arranged in sequence along the conveying direction of the box feeding mechanism.

[0010] The flat packaging boxes are stacked in the box frame in an up-down alignment. In a flat packaging box, the upper side wall and the right side wall of the box body are on the upper side, and the left side wall and the lower side wall of the box body are on the lower side, wherein the edge of the left side wall of the box body is placed against the inner side of the limiting rod, and the lower side wall of the box body is substantially aligned with the suction disc. In operation, the suction disc moves upward and sucks the lower side wall of the lowermost packaging box, then moves downward to draw the lowermost packaging box out of the outlet, and then continues to move downward while sucking the packaging box, the left side wall of the packaging box abuts against the upper end of the vertical part of the box blocking plate, and as the packaging box moves downward, the vertical part of the box blocking plate drives the left side wall of the box body to fold upward, according to the principle of parallelogram, the right side wall of the box body is also folded upward at the same time, so that the upper side wall and the lower side wall of the box body are pulled apart, and then the box body falls between the first limiting member and the second limiting member of the two feeding frames to form left-right positioning, and moves along the conveying direction of the box feeding mechanism, and then the box body is located below the horizontal part, and the horizontal part abuts against the upper side wall of the box body to form upper-lower positioning with the feeding frame, so that the packaging box automatically completes the opening operation of the upper side wall and the lower side wall during the feeding process, and finally presents a cuboid shape. Therefore, through the arrangement of the box blocking plate and the cooperation of the box blocking plate, the limiting rod and the suction disc, the automatic opening of the upper side wall and the lower side wall of the box body during the feeding process can be realized smoothly, and the worker only needs to place the flat stacked packaging boxes into the box frame without the need for opening operation, and the worker can have time to rest before the packaging boxes in the box frame are used up, thereby reducing the labor intensity of the worker.

[0011] In the packaging box feeding mechanism of the above packaging machine, the upper end of the vertical part is fixed with a guide rod in the shape of a circular rod and arranged in parallel with the horizontal part.

[0012] When the circular arc surface of the guide rod contacts the packaging box, the frictional resistance can be reduced, the box body can be smoothly folded upward at the box blocking plate, and the box body can be prevented from being cut, thereby reducing rework and reducing the labor intensity of the worker.

[0013] In the packaging box feeding mechanism of the above packaging machine, a swing rod swingable up and down is arranged below the box frame, the suction disc is fixed on the swing end of the swing rod, and the length of the swing rod is arranged in a direction away from the box blocking plate, and the limiting rod is arranged in an inclined manner from top to bottom and away from the suction disc. This facilitates the drawing of the packaging box, thereby smoothly opening the packaging box automatically, reducing rework and reducing the labor intensity of the worker.

[0014] In the packaging box feeding mechanism of the packaging machine, the lower end of the limiting rod is fixedly connected with the middle plate between the horizontal part of the box blocking plate.

[0015] In the packaging box feeding mechanism of the packaging machine, the lower end of the limiting rod is provided with a first roller protruding towards the outlet, the box rack is provided with a blocking rod arranged in the up-down direction on the side opposite to the limiting rod, the blocking rod has two and is arranged side by side, and the lower end of the blocking rod is provided with a second roller protruding towards the outlet.

[0016] In this way, the left side wall edge of the box body in a flat shape is blocked by the first roller, the lower side wall edge of the box body is blocked by the two second rollers, the first roller and the two second rollers form a triangular positioning structure, the packaging box is prevented from falling out of the box rack under the action of gravity, the packaging box is smoothly fed, rework is reduced, and thus the labor intensity is reduced.

[0017] In the packaging box feeding mechanism of the packaging machine, the box rack is provided with a side rod arranged in the up-down direction on the other two sides between the limiting rod and the blocking rod, and the lower end of the side rod is provided with a side blocking strip protruding towards the outlet. The two side blocking strips are used for blocking the upper insertion tongue and the lower insertion tongue of the flat-shaped mounting box, and further avoiding the packaging box from falling downward under the action of gravity.

[0018] Compared with the prior art, the packaging box feeding mechanism of the packaging machine has the following advantages:

[0019] Through the cooperation of the box blocking plate, the limiting rod and the suction cup, the upper side wall and the lower side wall of the box body can be automatically pulled open when the mounting box is fed, the worker only needs to put the flat stacked packaging boxes into the box rack, and does not need to pull open the box body, the worker can have time to rest before the packaging boxes in the box rack are used up, and thus the labor intensity of the worker is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is a perspective structural schematic view of the packaging box feeding mechanism of the packaging machine in embodiment one of the packaging machine cooperating with the box feeding mechanism.

[0021] Figure 2 is a perspective structural schematic view of the box rack, the box blocking plate and the suction cup in embodiment one of the packaging box feeding mechanism of the packaging machine.

[0022] Figure 3 is a perspective structural schematic view of the box rack, the box blocking plate and the suction cup in another view in embodiment one of the packaging box feeding mechanism of the packaging machine.

[0023] In the diagram, 1. Box frame; 1a. Frame; 1b. Limiting rod; 1c. Stop bar; 1d. Side bar; 1e. Outlet; 1f. First roller; 1g. Second roller; 1h. Side baffle; 2. Box baffle plate; 2a. Vertical part; 2b. Horizontal part; 2c. Guide rod; 3. Suction cup; 4. Swing rod; 5. Middle plate; 6. Mounting box; 7. Connecting rod; 8. Conveyor belt; 9. First limiting component; 10. Second limiting component. Detailed Implementation

[0024] The following are specific embodiments of the present invention, which are described in conjunction with the accompanying drawings. However, the present invention is not limited to these embodiments.

[0025] Example 1

[0026] like Figure 1 As shown, a box feeding mechanism for a packaging machine is used in conjunction with a box feeding mechanism. The box feeding mechanism includes two parallel feeding racks, each equipped with a horizontally arranged conveyor belt 8. Each conveyor belt 8 has several first limiting members 9 and several second limiting members 10 fixed on it. These first limiting members 9 and second limiting members 10 are arranged alternately along the length of the conveyor belt 8, with the first limiting members 9 and second limiting members 10 on the two conveyor belts 8 corresponding one-to-one. When feeding and conveying the packaging boxes, the two ends of the rectangular box body abut against the two conveyor belts 8, and the two ends of the box body are respectively embedded between the first limiting members 9 and second limiting members 10 on the two conveyor belts 8. The box feeding mechanism includes a box rack 1 for storing the packaging boxes. The lower end of the box rack 1 has an outlet 1e for the packaging boxes to pass through. The box rack 1 is located above the feed end of the conveyor belt 8. The packaging box feeding mechanism also includes a mounting box 6 located outside the feeding end of the conveyor belt 8, and the mounting box 6 is equipped with an air suction pump and a motor.

[0027] like Figure 1 and Figure 2 As shown, a suction cup 3, which can move up and down and is positioned upwards, is provided below the outlet 1e. A swing arm 4, which can swing up and down, is provided below the box frame 1. The suction cup 3 is fixed to the swing end of the swing arm 4. The swing arm 4 is inserted into the mounting box 6 and hinged to it. Cranks are fixed to both the drive end of the swing arm 4 and the motor shaft. A connecting rod connects the two cranks, so that when the motor rotates, the swing arm 4 can swing up and down through the cranks and connecting rod. Alternatively, other mechanisms that enable the swing arm 4 to swing up and down can be provided between the motor and the swing arm 4, such as the transmission mechanism in Chinese patent document CN2716141Y. The suction cup 3 is connected to the suction pump via an air pipe; when the suction pump is working, the suction cup 3 generates suction.

[0028] like Figure 2 and Figure 3As shown, the box rack 1 comprises a rectangular frame 1a, a middle part of one side of the frame 1a is provided with a limiting rod 1b arranged in the up-down direction, the limiting rod 1b is arranged obliquely from top to bottom towards the direction away from the suction disc 3. The lower end of the limiting rod 1b is fixed with an L-shaped box blocking plate 2 below the outlet 1e, the box blocking plate 2 comprises a vertical part 2a arranged vertically and located between the limiting rod 1b and the suction disc 3, and a horizontal part 2b connected to the lower end of the vertical part 2a and arranged away from the suction disc 3. The lower end of the limiting rod 1b and the horizontal part 2b of the box blocking plate 2 are fixedly connected with an intermediate plate 5. The lower end of the limiting rod 1b is provided with a first roller 1f protruding towards the outlet 1e, and the frame 1a is provided with a blocking rod 1c arranged obliquely in the up-down direction on the side opposite to the limiting rod 1b. The blocking rod 1c has two and is arranged side by side, and the frame 1a is provided with a notch between the two blocking rods 1c, and the lower end of the blocking rod 1c is provided with a second roller 1g protruding towards the outlet 1e. The frame 1a is provided with two connecting rods 7 on the side close to the mounting box 6, and the two connecting rods 7 are fixedly connected to the upper surface of the mounting box 6. The frame 1a is provided with side rods 1d arranged obliquely in the up-down direction on the other two sides between the limiting rod 1b and the blocking rod 1c, and the lower end of the side rod 1d is provided with a side blocking strip 1h protruding towards the outlet 1e.

[0029] As Figure 1As shown, the suction cup 3, the limiting rod 1b and the blocking box plate 2 are located between the two feeding frames of the box feeding mechanism, and the vertical part 2a of the suction cup 3 and the blocking box plate 2 and the limiting rod 1b are arranged in sequence along the conveying direction of the box feeding mechanism. The flat packaging boxes are stacked in the box frame 1 in an up-down alignment. In a flat packaging box, the upper side wall and the right side wall of the box body are on the top, and the left side wall and the lower side wall of the box body are on the bottom. The edge of the left side wall of the box body is placed against the inner side of the limiting rod 1b, the edge of the lower side wall of the box body is placed against the inner side of the blocking rod 1c, the middle part of the edge of the left side wall of the box body is blocked by the first roller 1f, and the edge of the lower side wall of the box body is blocked by the second roller 1g, preventing the packaging box from falling out of the box frame 1 under the action of gravity, and the lower side wall of the box body is roughly aligned with the suction cup 3. In operation, the suction cup 3 moves upward and sucks the lower side wall of the box body of the lowermost packaging box, then the suction cup 3 moves downward and pulls out the lowermost packaging box from the outlet 1e, and the edge of the left side wall of the box body is located between the first roller 1f and the vertical part 2a of the blocking box plate 2 after passing through the first roller 1f, then the suction cup 3 sucks the packaging box and continues to move downward, the left side wall of the packaging box abuts against the upper end of the vertical part 2a of the blocking box plate 2, and as the packaging box moves downward, the vertical part 2a of the blocking box plate 2 drives the left side wall of the box body to fold upward, according to the principle of parallelogram, the right side wall of the box body also folds upward at the same time, so that the upper side wall and the lower side wall of the box body are pulled apart, and then the two ends of the box body fall into the two feeding frames of the box feeding mechanism and are embedded between the first limiting member 9 and the second limiting member 10 to form left-right positioning, and move along the conveying direction of the box feeding mechanism, and then the box body is located below the horizontal part 2b, the horizontal part 2b abuts against the upper side wall of the box body to form up-down positioning of the box body with the feeding frame, so that the upper side wall and the lower side wall of the box body are automatically pulled apart during the feeding process, and finally the packaging box is in the shape of a rectangular parallelepiped. Therefore, through the arrangement of the blocking box plate 2 and the cooperation of the blocking box plate 2, the limiting rod 1b and the suction cup 3, the automatic pulling apart of the box body during the feeding of the installed box can be realized smoothly, the worker only needs to put the stacked flat packaging boxes into the box frame 1, without the need to pull apart the box body, and the worker can have time to rest before the packaging boxes in the box frame 1 are used up, thereby reducing the labor intensity of the worker.

[0030] Example Two

[0031] The structure of the box frame 1 and the movement mode of the suction cup 3 are different from those of example one, and other structures are basically the same as those of example one. The suction cup 3 moves up and down, a lifting cylinder is arranged between the two feeding frames of the box feeding mechanism, and the suction cup 3 is fixed on the piston rod of the lifting cylinder.

[0032] The specific embodiments described herein are merely illustrative of the spirit of the present application. Those skilled in the art of the present application can make various modifications or supplements to the described specific embodiments or replace them with similar ways, but will not deviate from the spirit of the present application or exceed the scope defined by the appended claims.

Claims

1. A packing box feeding mechanism of a packing machine, comprising a box rack (1) for storing packing boxes, the lower end of the box rack (1) having an outlet (1e) through which the packing boxes can pass, a suction disc (3) being provided below the outlet (1e) and being upwardly arranged and capable of moving up and down, characterized in that, The middle part of one side of the box frame (1) is provided with a limiting rod (1b) arranged along the up-down direction, an L-shaped box blocking plate (2) is fixed below the outlet (1e) of the limiting rod (1b), the box blocking plate (2) comprises a vertical part (2a) arranged vertically between the limiting rod (1b) and the suction cup (3) and a horizontal part (2b) connected to the lower end of the vertical part (2a) and arranged away from the suction cup (3).

2. The magazine loading mechanism of a packaging machine according to claim 1, characterized in that, The upper end of the vertical part (2a) is fixed with a guide rod (2c) in the shape of a round rod and arranged in parallel with the horizontal part (2b).

3. The magazine loading mechanism of a packaging machine according to claim 1, characterized in that, The lower part of the box frame (1) is provided with a swing rod (4) which can swing up and down, the suction cup (3) is fixed on the swing end of the swing rod (4) and the length of the swing rod (4) is arranged away from the box blocking plate (2), and the limiting rod (1b) is arranged obliquely from top to bottom away from the suction cup (3).

4. The packaging magazine loading mechanism of the packaging machine according to claim 1, characterized in that, The lower end of the limiting rod (1b) and the horizontal part (2b) of the box blocking plate (2) are fixedly connected with an intermediate plate (5).

5. The magazine loading mechanism of a packaging machine according to any one of claims 1-4, characterized in that, The lower end of the limiting rod (1b) is provided with a first roller (1f) protruding towards the outlet (1e), and the side of the box frame (1) opposite to the limiting rod (1b) is provided with a blocking rod (1c) arranged along the up-down direction, the blocking rod (1c) has two and is arranged side by side, and the lower end of the blocking rod (1c) is provided with a second roller (1g) protruding towards the outlet (1e).

6. The magazine loading mechanism of a packaging machine according to claim 5, characterized in that, The other two sides of the box frame (1) between the limiting rod (1b) and the blocking rod (1c) are provided with side rods (1d) arranged along the up-down direction, and the lower end of the side rod (1d) is provided with a side blocking strip (1h) protruding towards the outlet (1e).

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