Packaging machine lifting device with safety protection function

Abstract

The utility model discloses a packing machine lifting device with safety protection, which comprises a lifting platform, a first fence and a protective fence, the lifting platform is arranged on the side surface of a paper pushing platform of a packing machine, the lifting platform is provided with a pallet for placing a paper stack, the lifting platform drives the pallet to do lifting motion, and the first fence is arranged on the first fence. First fences are arranged on the two sides of the lifting table, a discharging channel is formed between the first fences, the first fences are provided with infrared induction devices, the infrared induction devices are in signal connection with a controller, and the controller is in signal connection with the lifting table. According to the packaging machine lifting device with the safety protection function, workers are prevented from being piled up by a lifting platform or damage caused by a forklift is prevented, and the safety in the operation process is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of paper stack packaging, in particular to a packaging machine lifting device with safety protection. Background Art

[0002] Packaging machines are widely used in the packaging industry, particularly for materials like paper and cardboard. These machines typically handle large stacks of paper, and handling and transferring the stacks is a critical step in the entire packaging process. Typically, a stack of paper is placed on a pallet. The packaging machine pushes the stacks onto the pallet for packaging, after which the original pallet is transferred via a conveyor belt to a recycling station for reuse. However, in practice, customer requirements dictate the placement of two pairs of paper stacks on a single pallet, known as a double stack. This requires replacing the small pallet that originally held the single stack with a larger one, and transferring the stacks from the two smaller pallets onto the larger one. Because the required pallets are different, direct recycling within the packaging machine is not possible. The current method for double stacking involves the operator placing the smaller pallet on a lift platform next to the packaging machine after pushing all the reams of paper. Once a certain number of reams have accumulated, the smaller pallet is lowered manually or automatically. However, existing problems arise during the operation process: 1. Personnel arbitrarily enter and exit the bottom of the lift platform to clean or troubleshoot the machine. If the lift platform malfunctions, personal injury accidents may occur. 2. When the forklift is transporting the lowered pallet, improper operation of the forklift can easily cause the fork to collide with the equipment, causing damage. Utility Model Content

[0003] In view of the above-mentioned prior art, the present invention aims to provide a packaging machine lifting device with safety protection to prevent injuries to personnel on the lifting platform or vehicles caused by forklifts, thereby improving the safety of the operation process.

[0004] To achieve the above-mentioned purpose, the technical solution of the embodiment of the present utility model is implemented as follows:

[0005] A packaging machine lifting device with safety protection includes a lifting platform, a first enclosure and a guardrail. The lifting platform is installed on the side of the paper pushing platform of the packaging machine. The lifting platform is provided with a supporting plate for placing paper stacks. The lifting platform drives the supporting plate to perform lifting movements. First enclosures are provided on both sides of the lifting platform. A unloading channel is formed between the first enclosures. The first enclosures are provided with an infrared sensing device. The infrared sensing device is connected to the controller signal, and the controller is connected to the lifting platform signal.

[0006] Furthermore, the unloading channel between the first enclosures is provided with a guardrail, the guardrail is set on the ground, and the height of the guardrail is 30~80CM.

[0007] Furthermore, the controller is connected to an operating switch signal, and the operating switch is provided on a manual operating table of the packaging machine.

[0008] Furthermore, the width of the unloading channel is greater than the width of the lifting platform.

[0009] Furthermore, the first enclosure is connected to a second enclosure, the second enclosure is parallel to the direction of the unloading channel, and the infrared sensing device is fixed on the second enclosure.

[0010] Furthermore, the infrared sensing device is an infrared pair tube, which is arranged on a second enclosure close to the outside of the unloading channel. The infrared pair tube includes an infrared emitting tube and a photosensitive receiving tube, and the infrared emitting tube and the photosensitive receiving tube are respectively fixed on both sides of the unloading channel.

[0011] Furthermore, the second enclosure is rotatably connected to the first enclosure, the second enclosure is a foldable enclosure, and a roller and a first magnet are provided at the bottom of the second enclosure, and the first magnet is used to engage with a second magnet fixed on the ground.

[0012] Furthermore, the photosensitive receiving tube is fixedly connected to the second enclosure, the infrared emitting tube is connected to the spherical connector, the second enclosure is provided with a spherical groove that cooperates with the spherical connector, the spherical groove is connected to a threaded hole, the threaded hole is provided with a screw, and the side of the screw facing the spherical connector is spherical.

[0013] Furthermore, the guardrail includes a support platform and a cross bar. The support platform is triangular, the bottom of the support platform is connected to the ground, and both sides of the cross bar are connected to the support platform.

[0014] The beneficial effect of the present utility model is that small pallets are stacked on the lifting platform by workers, and when a predetermined number is reached, the lifting platform moves downward to transfer the small pallets to the bottom. Another worker on the ground operates a forklift to enter from the unloading channel and use the forklift to fork out the small pallets on the lifting platform. A first enclosure is provided on both sides of the lifting platform, and the first enclosure is provided with an infrared sensing device. When a person enters the unloading channel, it is sensed by the infrared sensing device, and the infrared sensing device transmits the detected signal to the controller, and the controller controls the lifting platform to stop lifting, thereby preventing the person from being injured by the lifting platform. When a forklift enters from the unloading channel, it is sensed by the infrared sensing device, and the infrared sensing device transmits the detected signal to the controller, and the controller controls the lifting platform to stop lifting, so that the forklift collides with the lifting platform to avoid damage to the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1This is a structural schematic diagram of a packaging machine lifting device with safety protection in Example 1 of the present application;

[0016] Figure 2 This is a partial top view of the structure of a packaging machine lifting device with safety protection in Example 1 of the present application;

[0017] Figure 3 for Figure 1 Enlarged view of area A in the middle;

[0018] Figure 4 This is a structural diagram of the connection between the infrared emitting tube and the second enclosure in Example 2 of the present application;

[0019] Description of Figure Numbers:

[0020] 1. Lifting platform; 2. First enclosure; 3. Guardrail; 4. Support plate; 6. Controller; 8. Operating switch; 9. Second enclosure; 10. Infrared emitting tube; 11. Photosensitive receiving tube; 12. Roller; 13. First magnet; 14. Second magnet; 15. Spherical connector; 16. Spherical groove; 17. Threaded hole; 18. Screw; 19. Support platform; 20. Crossbar. DETAILED DESCRIPTION

[0021] The following is a further detailed description of the technical solution of the present invention in conjunction with the accompanying drawings and specific embodiments of the specification. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those generally understood by those skilled in the art to which the present invention belongs. The terms used herein in the specification of the present invention are for the purpose of describing specific embodiments only and are not intended to limit the present invention. In the following description, reference is made to "some embodiments", which describes a subset of all possible embodiments, but it should be understood that "some embodiments" may be the same subset or different subsets of all possible embodiments, and may be combined with each other without conflict.

[0022] It should also be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be an intermediate element. When an element is referred to as being "connected to" another element, it may be directly connected to the other element or there may be an intermediate element. The terms "vertical," "horizontal," "inner," "outer," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only implementation methods.

[0023] Example 1

[0024] Please refer to the attached Figure 1The present application provides a packaging machine lifting device with safety protection, including a lifting platform 1, a first enclosure 2 and a guardrail 3. The lifting platform 1 is installed on the side of the paper pushing platform of the packaging machine. The lifting platform 1 is provided with a support plate 4 for placing paper stacks. The lifting platform 1 drives the support plate 4 to perform lifting and lowering movements. First enclosures 2 are provided on both sides of the lifting platform 1. A unloading channel is formed between the first enclosures 2. The first enclosures 2 are provided with an infrared sensing device. The infrared sensing device is connected to the controller 6 by signal, and the controller 6 is connected to the lifting platform 1 by signal. After the paper stacks on two small pallets are put into the packaging machine, the packaging machine transfers the paper stacks on the small pallets to the large pallet. There is a stack of paper on each small pallet, and there are two stacks of paper on the large pallet after the transfer. The small pallet is a pallet with a single stack of paper, while the large pallet is a pallet with a double stack of paper. The small pallets after the transfer are stacked on the lifting platform 1 by workers. After reaching the predetermined number, the lifting platform 1 moves downward to transfer the small pallets to the bottom. Another person working on the ground operates a forklift and enters from the unloading passage. He uses the forklift to fork out the small pallet on the lifting platform 1. A first enclosure 2 is provided on both sides of the lifting platform 1. The first enclosure 2 is equipped with an infrared sensing device. When a person enters the unloading passage, the infrared sensing device senses it, and the infrared sensing device transmits the detected signal to the controller 6. The controller 6 controls the lifting platform 1 to stop lifting, thereby preventing the person from being injured by the lifting platform 1. When a forklift enters from the unloading passage, it is sensed by the infrared sensing device. The infrared sensing device transmits the detected signal to the controller 6. The controller 6 controls the lifting platform 1 to stop lifting, thereby preventing the forklift and lifting platform 1 from colliding, thereby avoiding damage to the equipment.

[0025] Alternatively, the lift 1 may be an electric lift or a pneumatic lift. The controller 6 may be connected to an electric switch connected in series with the electric lift, and the lift 1 may be stopped by cutting off the electric lift's circuit. Alternatively, the controller 6 may be connected to a control valve connected in series with the air circuit of a pneumatic lift, and the lift 1 may be stopped by cutting off the air circuit of the pneumatic lift.

[0026] Specifically, the unloading passage between the first enclosures 2 is provided with a guardrail 3, which is installed on the ground and has a height of 30 to 80 cm. The guardrail 3 can limit the forward travel distance of the forklift. When entering the working area of ​​the lifting platform 1, personnel also need to cross the guardrail 3 to provide personal protection.

[0027] Specifically, the controller 6 is connected to an operating switch 8 by signal. The operating switch 8 is provided on a manual operating table of the packaging machine. A worker can control the lifting of the lifting platform 1 by operating the switch 8.

[0028] Specifically, the width of the unloading passage is greater than the width of the lifting platform. A forklift enters the unloading passage to insert and remove the pallet.

[0029] Specifically, the first enclosure 2 is connected to a second enclosure 9, which is parallel to the direction of the unloading channel, and the infrared sensing device is fixed to the second enclosure 9. The unloading channel forms a long channel, and personnel and forklifts need to move a certain distance before entering the working range of the lifting platform 1, thereby improving safety.

[0030] Specifically, the infrared sensing device is an infrared pair tube, which is arranged on the second enclosure 9 near the outside of the unloading channel. The infrared pair tube includes an infrared emitting tube 10 and a photosensitive receiving tube 11, and the infrared emitting tube 10 and the photosensitive receiving tube 11 are respectively fixed on both sides of the unloading channel. The infrared emitting tube 10 is used to emit an infrared laser, and the emitted laser is received by the photosensitive receiving tube 11 without any obstruction. When a person or a forklift enters the unloading channel, the propagation of the infrared laser is blocked. At this time, the controller 6 controls the lifting platform 1 to stop working to avoid injury to the person or the vehicle or collision between the forklift and the lifting platform 1.

[0031] Specifically, the guardrail 3 includes a support platform 19 and a crossbar 20. The support platform 19 is triangular, with the bottom of the support platform 19 connected to the ground, and both sides of the crossbar 20 are connected to the support platform 19. The support platform 19 is stably fixed to the ground, and the support platform 19 is used to fix the crossbar 20, so that the crossbar 20 forms a stable structure.

[0032] Example 2

[0033] Please refer to the attached Figure 1 The difference between this embodiment and embodiment 1 is that the second enclosure 9 is rotatably connected to the first enclosure 2. The second enclosure 9 is a foldable enclosure that can be folded and stored. The bottom of the second enclosure 9 is provided with a roller 12 and a first magnet 13. The first magnet 13 is used to attract the second magnet 14 fixed to the ground. After the second enclosure 9 is unfolded, the first magnet 13 of the second enclosure 9 is aligned with the second magnet 14, so that the second enclosure 9 is fixed. When the second enclosure 9 is unfolded or folded, the roller 12 at the bottom is used to reduce friction, making it easier to move the second enclosure 9. The second enclosure 9 can be displaced relative to the ground. When a person or a forklift collides with the second enclosure 9 with too much force, the laser position emitted by the infrared emitting tube 10 is deflected, thereby stopping the lifting movement of the lifting platform 1, thereby increasing the range of the early warning and improving the safety of protection.

[0034] Specifically, the photosensitive receiving tube 11 is fixedly connected to the first enclosure 2, and the infrared emitting tube 10 is connected to the spherical connector 15. The first enclosure 2 is provided with a spherical groove 16 that cooperates with the spherical connector 15. The spherical groove 16 is connected to a threaded hole 17. The threaded hole 17 is provided with a screw 18. The side of the screw 18 facing the spherical connector 15 is spherical. After adjusting the position of the second enclosure 9, by rotating the infrared emitting tube 10 so that it faces the infrared receiving tube, it is ensured that the photosensitive receiving tube 11 can accurately receive the infrared signal. After adjusting the infrared emitting tube 10 to the appropriate position, use the screw 18 to screw in the spherical connector 15 to clamp it to prevent the infrared emitting tube 10 from shifting in position.

[0035] The above are only specific embodiments of the present invention, but the scope of protection of the present invention is not limited to them. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in this utility model should be included in the scope of protection of the present utility model. The scope of protection of the present utility model should be based on the scope of protection of the claims.

Claims

1. A packaging machine lifting device with safety protection, characterized in that: It includes a lifting platform, a first enclosure and a guardrail. The lifting platform is installed on the side of the paper pushing platform of the packaging machine. The lifting platform is provided with a supporting plate for placing paper stacks. The lifting platform drives the supporting plate to perform lifting movements. First enclosures are provided on both sides of the lifting platform. A unloading channel is formed between the first enclosures. The first enclosure is provided with an infrared sensing device. The infrared sensing device is connected to the controller signal, and the controller is connected to the lifting platform signal.

2. A packaging machine lifting device with safety protection according to claim 1, characterized in that: The unloading channel between the first enclosures is provided with a guardrail, the guardrail is set on the ground, and the height of the guardrail is 30~80CM.

3. The packaging machine lifting device with safety protection according to claim 1, characterized in that: The controller is connected to an operating switch signal, and the operating switch is arranged on a manual operating table of the packaging machine.

4. The packaging machine lifting device with safety protection according to claim 1, characterized in that: The width of the unloading channel is greater than the width of the lifting platform.

5. The packaging machine lifting device with safety protection according to claim 1, characterized in that: The first enclosure is connected to a second enclosure, the second enclosure is parallel to the direction of the unloading channel, and the infrared sensing device is fixed on the second enclosure.

6. The packaging machine lifting device with safety protection according to claim 1, characterized in that: The infrared sensing device is an infrared pair tube, which is arranged on the second enclosure close to the outside of the unloading channel. The infrared pair tube includes an infrared emitting tube and a photosensitive receiving tube, and the infrared emitting tube and the photosensitive receiving tube are respectively fixed on both sides of the unloading channel.

7. The packaging machine lifting device with safety protection according to claim 5, characterized in that: The second enclosure is rotatably connected to the first enclosure. The second enclosure is a foldable enclosure. A roller and a first magnet are provided at the bottom of the second enclosure. The first magnet is used to be attracted to a second magnet fixed on the ground.

8. The packaging machine lifting device with safety protection according to claim 6, characterized in that: The photosensitive receiving tube is fixedly connected to the second enclosure, the infrared emitting tube is connected to the spherical connector, the second enclosure is provided with a spherical groove that cooperates with the spherical connector, the spherical groove is connected to a threaded hole, the threaded hole is provided with a screw, and the side of the screw facing the spherical connector is spherical.

9. The packaging machine lifting device with safety protection according to claim 1, characterized in that: The guardrail includes a support platform and a cross bar. The support platform is triangular, the bottom of the support platform is connected to the ground, and both sides of the cross bar are connected to the support platform.

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