Carton stacking device

Abstract

The utility model relates to stacking equipment discloses carton stacking device, including stacking frame and elevating system, and stacking frame is installed on elevating system, and elevating system drives stacking frame to lift, and elevating system includes lifting platform, is equipped with the mounting groove on lifting platform, and the side of mounting groove is equipped with the opening, and the number of prongs on stacking frame is at least two, and prong inserts into the mounting groove through the opening, and the upper end surface of prong is plane and extends the upper end surface of lifting platform, and the bottom of mounting groove is equipped with the notched groove that penetrates the bottom surface, and the lower end surface of every prong all installs the number of universal wheels at least two, and universal wheel is connected with prong through the notched groove.

Description

Technical Field

[0001] This utility model relates to stacking equipment, and more particularly to a carton stacking device. Background Technology

[0002] In the cardboard box manufacturing industry, the automated feeding efficiency of stacking devices and the protection of cardboard boxes have always been key concerns. Existing technologies, such as the utility model patent with authorization announcement number CN220449116U, disclose a device for feeding cardboard boxes by driving a pusher plate with a reciprocating screw. This device controls the motor's start and stop via a trigger component to achieve automatic stacking and feeding. Furthermore, similar stacking technologies, such as CN216189821U, also achieve cardboard stacking through structures such as limit plates and lifting rods, but they still have the following shortcomings in practical applications:

[0003] After a specified number of cardboard boxes are stacked on the stacking mechanism, the existing unloading mechanism needs to push the cardboard boxes onto the unloading table as a whole using a pusher plate. During this process, the horizontal pushing force of the pusher plate can easily disrupt the stability of the cardboard box stack, causing misalignment or tipping of the upper cardboard boxes, affecting stacking accuracy. Simultaneously, to prevent the cardboard boxes from collapsing during pushing, operators often need to provide simultaneous support, increasing labor costs and operational complexity. Furthermore, due to the lack of a rolling or sliding auxiliary structure between the bottom cardboard box and the supporting plate, severe dry friction occurs during pushing, leading to scratches and damage on the surface of the bottom cardboard box. This is especially problematic for cardboard boxes requiring high surface printing precision, easily resulting in product scrap.

[0004] Therefore, how to reduce the disorder of cardboard box stacking, avoid manual intervention, and reduce the frictional wear of the bottom cardboard boxes while ensuring material feeding efficiency has become a technical problem that existing stacking devices urgently need to solve. Utility Model Content

[0005] This invention addresses the shortcomings of existing technologies by providing a carton stacking device.

[0006] To solve the above-mentioned technical problems, the present invention provides a solution through the following technical method:

[0007] A carton stacking device includes a stacking rack and a lifting mechanism. The stacking rack is mounted on the lifting mechanism, which drives the stacking rack to rise and fall. The lifting mechanism includes a lifting platform with an installation slot on the platform. The side of the installation slot has an opening. The stacking rack has at least two pins that are inserted into the installation slot through the opening. The upper end of the pin is flat and extends beyond the upper end of the lifting platform. The bottom of the installation slot has a notch that penetrates the bottom surface. At least two casters are mounted on the lower end of each pin, and the casters are connected to the pin through the notch.

[0008] Preferably, the rear end of the stacking rack is provided with at least two limiting push rods, which are set perpendicular to the pins.

[0009] Preferably, the device also includes a pressure bar for pressing the cardboard box. The pressure bar is U-shaped, and the top of the limiting push rod is provided with a first insertion hole. One end of the pressure bar is inserted into the first insertion hole, and the other end is located above the insertion hole.

[0010] Preferably, the side wall of the limiting push rod is provided with a first through groove for the packing strap to pass through, and the upper end face of the plug is provided with a second through groove for the packing strap to pass through, and the first through groove and the second through groove are connected.

[0011] Preferably, each pin has a second insertion hole at its rear end for insertion by a forklift.

[0012] Preferably, each pin has a buckle plate installed at its front end, which is fastened to the lifting platform, with the upper surface of the buckle plate flush with the upper surface of the pin.

[0013] Preferably, baffles for limiting the cardboard boxes are provided on both sides of the lifting platform.

[0014] Preferably, the lifting mechanism includes a scissor-type lifting rod assembly and a drive source. At least two sets of lifting rod assemblies are connected to form a lifting rod unit. Lifting rod units are installed on both sides of the lifting platform. The drive source is connected to the lifting rod unit and drives it to lift.

[0015] Preferably, the drive source includes a pull rope, a reel, and a second motor. One end of the pull rope is fixed to the hinge of an adjacent lifting rod assembly, and the other end of the pull rope is wound around the reel. The second motor drives the reel to rotate.

[0016] Preferably, the lifting mechanism includes a lead screw and a motor, with the lifting platform threadedly connected to the lead screw, and the motor driving the lead screw to rotate and causing the lifting platform to rise and fall.

[0017] This utility model, by adopting the above technical solution, has significant technical effects:

[0018] This stacking device adopts a separate design for the lifting mechanism and the stacking rack, which are connected by inserting pins into the mounting slots. After the stacking rack has finished stacking the cardboard boxes, it can be moved directly off the lifting platform along the notch slot using the casters at the bottom of the pins, without having to transfer the cardboard boxes to other moving fixtures, thus avoiding structural disorder caused by secondary handling. At the same time, the upper surface of the pins extends out of the lifting platform to form a planar support. Combined with the stable layout of at least two pins, this ensures that the center of gravity of the cardboard boxes is stable when stacked on the stacking rack, and they are not easy to tip over during movement, effectively improving the convenience of stacking operations and the stability of cardboard box stacking. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the structure of this utility model.

[0020] Figure 2 This is a structural schematic diagram of the stacking rack and lifting platform from a downward viewing angle after assembly.

[0021] Figure 3 This is a structural diagram of the stacking rack and lifting platform after assembly with the pressure bar.

[0022] Figure 4 This is a structural diagram of the lifting platform.

[0023] Figure 5 This is a structural diagram of a stacking rack.

[0024] The names of the body parts referred to by the numbers in the above attached diagrams are as follows:

[0025] 1—Stacking rack, 2—Lifting platform, 3—Casual wheels, 4—Pressure bar, 5—Baffle, 6—Lifting bar assembly, 7—Pull rope

[0026] 11—Pin, 12—Limiting push rod, 13—Snap plate, 111—Second through slot, 112—Second insertion hole, 121—First insertion hole, 122—First through slot

[0027] 21—Mounting slot, 22—Opening, 23—Notch slot. Detailed Implementation

[0028] The following is in conjunction with the appendix Figure 1-5 The present invention will be further described in detail with reference to the embodiments.

[0029] Example 1

[0030] The cardboard box stacking device includes a stacking rack 1 and a lifting mechanism. The stacking rack 1 is mounted on the lifting mechanism. The lifting mechanism drives the stacking rack 1 to rise and receive cardboard boxes. The cardboard boxes are stacked on the stacking rack 1. The lifting mechanism includes a lifting platform 2, which has a mounting groove 21. The mounting groove 21 has an opening 22 on its side. The stacking rack 1 has at least two pins 11. In this embodiment, there are two pins 11. The pins 11 are inserted into the mounting groove 21 through the opening 22. The upper end of the pin 11 is flat and extends out of the upper end of the lifting platform 2, so that the cardboard box is placed directly on the pin 11 instead of on the platform of the lifting platform 2. The bottom of the mounting groove 21 has a notch 23 that penetrates the bottom surface. At least two casters 3 are installed on the lower end of each pin 11. In this embodiment, there are four casters 3. Two casters 3 are installed under each pin 11. The casters 3 are connected to the pin 11 through the notch 23.

[0031] This stacking device adopts a separate design for the lifting mechanism and the stacking rack 1. The two are connected by inserting the pins 11 into the mounting slots 21. After the stacking rack 1 has finished stacking the cardboard boxes, it can be moved directly out of the lifting platform 2 along the notch slots 23 with the help of the casters 3 at the lower end of the pins 11. There is no need to transfer the cardboard boxes to other moving tools, avoiding structural disorder caused by secondary handling. At the same time, the upper end of the pins 11 extends out of the lifting platform 2 to form a plane support. With the stable layout of at least two pins 11, it ensures that the center of gravity of the cardboard boxes is stable when stacked on the stacking rack 1, and it is not easy to tip over during the movement. This effectively improves the convenience of stacking operations and the stability of cardboard box stacking.

[0032] The rear end of the stacking rack 1 is equipped with at least two limiting push rods 12, which are perpendicular to the inserts 11. These two limiting push rods 12, positioned perpendicular to the inserts 11, physically restrict the backward movement of cardboard boxes. The vertical arrangement creates a stable limiting boundary, effectively preventing misalignment of cardboard boxes due to external collisions or movement during stacking. This ensures that each layer of cardboard boxes remains neatly arranged on the stacking rack 1, thereby improving the structural stability of the stacked boxes and avoiding the risk of tilting or collapse due to misalignment. This provides a reliable foundation for subsequent handling and stacking operations. Simultaneously, the limiting push rods 12 can also serve as handles, facilitating the movement of the stacking rack 1 by the operator.

[0033] The cardboard stacking device also includes a pressure bar 4 for pressing the cardboard boxes. The pressure bar 4 is U-shaped. The top of the limiting push rod 12 is provided with a first insertion hole 121. One end of the pressure bar 4 is inserted into the first insertion hole 121, and the other end is positioned above the insertion foot 11. By providing a first insertion hole (121) at the top of the limiting push rod (12) to cooperate with the U-shaped pressure bar (4), when one end of the pressure bar (4) is inserted into the first insertion hole (121) and the other end is positioned above the insertion foot (11), the U-shaped structure can form a downward pressing force on the cardboard boxes on the stacking rack (1), and the physical limiting method can be used to limit the vertical displacement of the cardboard boxes. During the transfer of the stacking rack (1), the stable support structure formed by the pressure bar (4) and the limiting push rod (12) can effectively counteract the inertial force during movement, and prevent the cardboard boxes from being misaligned or tipped over due to shaking, thereby ensuring the stacking stability of the cardboard boxes on the stacking rack (1) and improving the safety and reliability during the handling process.

[0034] The side wall of the limiting push rod 12 is provided with a first through groove 122 for the packing strap to pass through, and the upper end face of the insert 11 is provided with a second through groove 111 for the packing strap to pass through. The first through groove 122 and the second through groove 111 are connected. The first through groove 122 on the side wall of the limiting push rod 12 and the second through groove 111 on the upper end face of the insert 11 are connected to each other, so that the packing strap can pass through the first through groove 122 and the second through groove 111 in sequence to tie and fix the cardboard boxes on the stacking rack 1. The through groove structure allows the packing strap to tighten along a preset path, avoiding damage caused by direct friction between the packing strap and the surface of the cardboard box. At the same time, the connecting channel formed by the limiting push rod 12 and the insert 11 ensures that the packing strap is evenly stressed around the cardboard box, enhancing the binding firmness and preventing the cardboard box from shifting or collapsing due to loosening during handling or stacking, thus improving the overall stability of the stacked cardboard boxes.

[0035] Each pin 11 has a second insertion hole 112 at its rear end for forklifts to insert into, which facilitates the direct insertion of forklift forks into the insertion hole 112 to move the stacking rack 1 without the need for additional lifting equipment or manual assistance, thus improving the convenience of moving the stacking rack 1.

[0036] Each pin 11 has a snap-on plate 13 installed at its front end. The snap-on plate 13 is fastened to the lifting platform 2, and its upper surface is flush with the upper surface of the pin 11. The snap-on plate 13 installed at the front end of each pin 11 and fastened to the lifting platform 2, with its upper surface flush with the upper surface of the pin 11, enhances the connection stability between the stacking rack 1 and the lifting mechanism through the snap-on structure between the snap-on plate 13 and the lifting platform 2, preventing the stacking rack 1 from shifting forward or backward during the lifting process.

[0037] Both sides of the lifting platform 2 are equipped with baffles 5 for limiting the cardboard boxes. The baffles 5 on both sides of the lifting platform 2 can form a physical limiting boundary, effectively preventing the cardboard boxes from sliding or tipping to the sides during the lifting and lowering of the stacking rack 1. The baffles 5 on both sides form a stable clamping force on the cardboard boxes, ensuring that the cardboard boxes are neatly arranged on the stacking rack 1 and avoiding stacking misalignment caused by lateral displacement. At the same time, the baffles 5 can also play a guiding role in the cardboard box stacking process, helping operators to quickly align the cardboard boxes, improving the efficiency of stacking operations and the stability of cardboard box stacking.

[0038] The lifting mechanism includes a scissor-type lifting rod assembly 6 and a drive source. At least two sets of lifting rod assemblies 6 are connected to form a lifting rod unit. In this embodiment, two sets of lifting rod assemblies 6 form a lifting rod unit. The lifting rod assembly 6 consists of two connecting rods intersecting in an "X" shape. Lifting rod units are installed on both sides of the lifting platform 2. The drive source is connected to the lifting rod unit and drives it to lift. The drive source includes a pull rope 7, a reel, and a second motor. One end of the pull rope 7 is fixed at the hinge of an adjacent lifting rod assembly, and the other end of the pull rope 7 is wound around the reel. The second motor drives the reel to rotate.

[0039] Example 2

[0040] Example 2 is basically the same as Example 1, except that the lifting mechanism includes a lead screw and a motor. The lifting platform 2 is threadedly connected to the lead screw, and the motor drives the lead screw to rotate and drive the lifting platform 2 to rise and fall.

Claims

1. A carton stacking device, comprising a stacking rack (1) and a lifting mechanism, wherein the stacking rack (1) is mounted on the lifting mechanism, and the lifting mechanism drives the stacking rack (1) to rise and fall, the lifting mechanism comprising a lifting platform (2), the lifting platform (2) having an mounting groove (21), the side of the mounting groove (21) having an opening (22), the stacking rack (1) having at least two pins (11), the pins (11) being inserted into the mounting groove (21) through the opening (22), characterized in that: The upper surface of the pin (11) is flat and extends out of the upper surface of the lifting platform (2). The bottom of the mounting groove (21) is provided with a notch (23) that penetrates the bottom surface. Each pin (11) is equipped with at least two casters (3) on its lower surface. The casters (3) are connected to the pin (11) through the notch (23).

2. The carton stacking device according to claim 1, characterized in that: The rear end of the stacking rack (1) is provided with at least two limiting push rods (12), which are perpendicular to the pins (11).

3. The carton stacking device according to claim 2, characterized in that: It also includes a pressure bar (4) for pressing the cardboard box. The pressure bar (4) is U-shaped. The top of the limiting push rod (12) is provided with a first insertion hole (121). One end of the pressure bar (4) is inserted into the first insertion hole (121), and the other end is located above the insertion foot (11).

4. The carton stacking device according to claim 2, characterized in that: The side wall of the limiting push rod (12) is provided with a first through groove (122) for the packing strap to pass through, and the upper end face of the plug (11) is provided with a second through groove (111) for the packing strap to pass through. The first through groove (122) and the second through groove (111) are connected.

5. The carton stacking device according to claim 1, characterized in that: Each pin (11) has a second insertion hole (112) at its rear end for insertion by a forklift.

6. The carton stacking device according to claim 1, characterized in that: Each pin (11) has a buckle plate (13) installed at its front end. The buckle plate (13) is fastened to the lifting platform (2). The upper surface of the buckle plate (13) is flush with the upper surface of the pin (11).

7. The carton stacking device according to claim 1, characterized in that: Both sides of the lifting platform (2) are equipped with baffles (5) for limiting the cardboard boxes.

8. The carton stacking device according to claim 1, characterized in that: The lifting mechanism includes a scissor-type lifting rod assembly (6) and a drive source. At least two sets of lifting rod assemblies (6) are connected to form a lifting rod unit. Lifting rod units are installed on both sides of the lifting platform (2). The drive source is connected to the lifting rod unit and drives it to lift.

9. The carton stacking device according to claim 1, characterized in that: The lifting mechanism includes a lead screw and a motor. The lifting platform (2) is threadedly connected to the lead screw. The motor drives the lead screw to rotate and drives the lifting platform (2) to rise and fall.

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