A pre-press packer

Abstract

The utility model provides a kind of pre-pressing packing machine, it is related to packing machine technical field.Packing machine frame, pre-compression anti-rebound device and conveying pressing device are included, pre-compression anti-rebound device includes mounting bracket, pre-compression bottom plate, driving mechanism and top pre-pressing mechanism, pre-compression bottom plate top is equipped with first conveyor belt, driving mechanism is used to drive pre-compression bottom plate to slide up, and top pre-pressing mechanism has pre-pressing dog;Conveying pressing device includes conveying pressing plate and telescopic mechanism, telescopic mechanism is used to drive conveying pressing plate reciprocating movement along vertical direction.It can keep the compressed state of stacking bag, improve the quality of folding, save the second arrangement time for manual folding, for mechanical folding, without pre-pressing mechanism repeatedly pre-pressing bag, improve the quality of pre-compression product;Moreover, the compressed state of bag can be maintained during the process of pre-compression bag being sent to packing area packing, to prevent bag from being scattered.

Description

Technical Field

[0001] This utility model relates to the field of packaging machine technology, and more specifically, to a pre-compression packaging machine. Background Technology

[0002] FIBCs (Flexible Intermediate Bulk Containers) are flexible transport packaging containers that are convenient for transporting large quantities of bulk materials. They are characterized by large volume, light weight, and ease of loading and unloading, making them a common packaging material. After being produced and folded in the factory, FIBCs need to be stacked in multiples for pre-compression before being packaged. Currently, whether folded manually or by machine, there is always a rebound during stacking. Mechanically folded FIBCs require repeated lifting and compression before pre-compression and packaging. During this process, as the pre-compression mechanism moves upward, the folded FIBCs may rebound, affecting the folding quality.

[0003] Before manual folding and pre-compression of FIBCs (Flexible Intermediate Bulk Containers), workers need to manually place heavy objects to shape the folded products, resulting in uneven stacking and increased labor intensity. Workers also need to perform secondary sorting during pre-compression, wasting time and reducing product folding quality. Furthermore, current mechanical folding methods typically use cylinders to push the FIBCs to the packaging area for heat-sealing or friction packing. This method carries the risk of FIBCs scattering during the pushing process (due to conflict between pre-compression pressurization and cylinder pushing motion). Utility Model Content

[0004] The purpose of this invention is to provide a pre-compression packaging machine that keeps stacked FIBCs in a compressed state at all times. This ensures that the FIBCs are always folded, guaranteeing folding quality. For manual folding, it eliminates the need for secondary sorting, saving time. For mechanical folding, it eliminates the need for repeated pre-compression by the pre-compression mechanism, improving the quality of the pre-compressed product. Furthermore, during the packaging process, the pre-compressed FIBCs are kept compressed, preventing them from scattering and ensuring that they are neatly stacked for packaging.

[0005] The technical solution adopted in this utility model is as follows:

[0006] This application provides a pre-compression packaging machine, comprising:

[0007] Packing rack;

[0008] Pre-compression anti-rebound device, including:

[0009] Mounting bracket, located on the packaging machine frame;

[0010] A pre-compression base plate is slidably mounted on a mounting bracket in the vertical direction, and a first conveyor belt is provided on the top of the pre-compression base plate;

[0011] The drive mechanism is movably mounted on the mounting bracket and is used to drive the preloaded base plate to slide upward.

[0012] The top pre-compression mechanism has a pre-compression claw, which is rotatably mounted on the mounting bracket and is located above the first conveyor belt. The pre-compression claw has a first position state and a second position state. In the first position state, the pre-compression claw acts as a limiting member that cooperates with the first conveyor belt. In the second position state, the pre-compression claw is vertically arranged.

[0013] The pressing device includes:

[0014] The conveyor press plate is located above the pre-compression claw;

[0015] The telescopic mechanism is located on the packaging machine frame and connected to the conveyor pressing plate. The telescopic mechanism is used to drive the conveyor pressing plate to move back and forth in the vertical direction.

[0016] Furthermore, in some embodiments of this utility model, the baling machine is equipped with a channel-type baling machine, which is located on one side of the pre-compression anti-rebound device, and a second conveyor belt is provided inside the channel-type baling machine.

[0017] Furthermore, in some embodiments of this utility model, the telescopic mechanism includes a telescopic mounting frame disposed on the packaging machine frame and a telescopic cylinder vertically disposed on the telescopic mounting frame, with a conveying pressing plate disposed on the telescopic end of the telescopic cylinder.

[0018] Furthermore, in some embodiments of this utility model, the telescopic mounting frame is provided with a third slider, the packaging machine frame is provided with a third slide rail horizontally, and the third slider is slidably disposed on the third slide rail.

[0019] Furthermore, in some embodiments of this utility model, the packaging machine frame is equipped with a drive motor, and the drive motor drives and connects to an active synchronous pulley; the packaging machine frame is equipped with a driven synchronous pulley for rotation, and a synchronous belt is wound between the active synchronous pulley and the driven synchronous pulley, and the telescopic mounting frame is connected to the synchronous belt.

[0020] Furthermore, in some embodiments of this utility model, the top pre-compression mechanism further includes a pre-compression mounting plate disposed on the mounting bracket. The pre-compression mounting plate has a limiting disc, and the limiting disc has a limiting protrusion on its periphery. The pre-compression claw has a mounting hole, and the pre-compression claw has a limiting groove on the wall of the mounting hole. The limiting disc is inserted into the mounting hole, and the limiting protrusion is embedded in the limiting groove.

[0021] Furthermore, in some embodiments of this utility model, the top pre-compression mechanism further includes a tension spring connected between the pre-compression claw and the pre-compression mounting plate. The tension spring applies tension to the pre-compression claw to keep the pre-compression claw in a first position.

[0022] Furthermore, in some embodiments of this utility model, the driving mechanism includes:

[0023] counterweight box;

[0024] The mounting shaft is horizontally mounted on the mounting bracket.

[0025] A pulley, rotatably mounted on the mounting shaft;

[0026] The pull rope is wound around the pulley. One end of the pull rope is connected to the pre-compression base plate, and the other end of the pull rope is connected to the counterweight box.

[0027] Furthermore, in some embodiments of this utility model, the mounting bracket is vertically provided with a first slide rail and a second slide rail, the counterweight box is provided with a first slider, and the first slider is slidably disposed on the first slide rail; the pre-pressing base plate is provided with a second slider, and the second slider is slidably disposed on the second slide rail.

[0028] Furthermore, in some embodiments of this utility model, a base is provided on the packaging machine frame, a mounting bracket is provided on the base, a plurality of limiting rods are provided at intervals on the base, and an anti-pressure support block is provided on the base below the pre-compression base plate.

[0029] Compared with the prior art, the present invention has at least the following advantages or beneficial effects:

[0030] The pre-compression packaging machine provided in this application can keep the stacked FIBCs in a compressed state at all times, thus keeping the FIBCs in a folded state and ensuring the folding quality. For manual folding, there is no need for secondary sorting, saving secondary sorting time. For mechanical folding, there is no need for the pre-compression mechanism to repeatedly pre-compress the FIBCs, improving the quality of the pre-compressed product. Moreover, during the process of sending the pre-compressed FIBCs to the packaging area, the compressed state of the FIBCs can be maintained, preventing the FIBCs from scattering and ensuring that the FIBCs are stacked neatly for packaging. Attached Figure Description

[0031] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0032] Figure 1 This is a schematic diagram of the structure of the pre-compression packaging machine provided in an embodiment of the present utility model;

[0033] Figure 2 This is a schematic diagram of the structure of the pre-compression packaging machine after the container bags have been stacked, as provided in this embodiment of the utility model.

[0034] Figure 3This is a schematic diagram of the structure of the stacked container bag during packaging, provided as an embodiment of the present utility model.

[0035] Figure 4 A schematic diagram of the pre-compression anti-rebound device provided in the embodiments of this utility model;

[0036] Figure 5 Schematic diagram of the top pre-compression mechanism provided in this embodiment of the utility model Figure 1 ;

[0037] Figure 6 Schematic diagram of the top pre-compression mechanism provided in this embodiment of the utility model Figure 2 ;

[0038] Figure 7 A cross-sectional view of the top pre-compression mechanism in the first position state provided in an embodiment of the present utility model;

[0039] Figure 8 A cross-sectional view of the top pre-compression mechanism in the second position state provided in an embodiment of the present utility model;

[0040] Figure 9 This is a schematic diagram of the conveying and pressing device provided in an embodiment of the present utility model;

[0041] Figure 10 for Figure 9 Enlarged view of point A in the middle.

[0042] Icons: 10-Mounting bracket; 11-First slide rail; 12-Second slide rail; 20-Preload base plate; 21-Second slider; 22-First conveyor belt; 30-Drive mechanism; 31-Counterweight box; 311-First slider; 32-Pull rope; 33-Mounting shaft; 34-Pulley; 40-Top preload mechanism; 41-Preload claw; 411-Mounting hole; 412-Limit groove; 413-Anti-slip texture; 42-Preload mounting plate; 421-Limiting disc; 4211-Limiting protrusion; 43-Tension spring; 50-Base; 51-Limiting rod; 52-Anti-pressure support block; 60-Container bag; 70-Conveying pressing device; 71-Conveying pressing plate; 72-Telescopic mechanism; 721-Telescopic mounting frame; 722-Telescopic cylinder; 723-Third slider; 724-Photoelectric sensor; 725-Sensor baffle; 80-Bag frame; 81-Third slide rail; 82-Drive motor; 83-Active synchronous pulley; 84-Driven synchronous pulley; 85-Synchronous belt; 90-Channel-type bagging machine; 91-Second conveyor belt. Detailed Implementation

[0043] The embodiments of this application will now be described in detail with reference to the accompanying drawings.

[0044] Example

[0045] Please refer to Figures 1-10 This embodiment provides a pre-compression baling machine, including a baling machine frame 80, a pre-compression anti-rebound device, and a conveying and pressing device 70. The baling machine frame 80 is placed on the ground or other places, and is used to install the pre-compression anti-rebound device, the conveying and pressing device 70, the channel-type baling machine 90, and other structures.

[0046] The pre-compression anti-rebound device includes a mounting bracket 10, a pre-compression base plate 20, a drive mechanism 30, and a top pre-compression mechanism 40. The mounting bracket 10 is located on the packaging machine frame 80. In this embodiment, there are two mounting brackets 10, which are vertically spaced apart. The pre-compression base plate 20 is slidably located on the mounting bracket 10 in the vertical direction. The top of the pre-compression base plate 20 is provided with a first conveyor belt 22, which is used to place the stacked container bags 60 and transport the stacked container bags 60.

[0047] like Figure 4 As shown, the drive mechanism 30 is movably mounted on the mounting bracket 10. The drive mechanism 30 is used to drive the pre-compression base plate 20 to slide upward. The drive mechanism 30 includes a counterweight box 31, a mounting shaft 33, a pulley 34, and a pull rope 32. The counterweight box 31 is a cubic shape with a hollow interior and an open top, used to hold counterweights of corresponding weights as needed. The mounting shaft 33 is horizontally mounted on the mounting bracket 10, and the pulley 34 is rotatably mounted on the mounting shaft 33. The pull rope 32 is wound around the pulley 34, with one end connected to the pre-compression base plate 20 and the other end connected to the counterweight box 31. Thus, the counterweight box 31 can pull the pull rope 32 downward under its own weight, and the end of the pull rope 32 connected to the pre-compression base plate 20 can pull the pre-compression base plate 20 upward. In actual use, the pulling rope 32 of this embodiment can be made of ordinary steel wire rope, hemp rope, chain, etc. When a chain is used, the pulley 34 is a sprocket and is used to mesh with the chain.

[0048] The top pre-compression mechanism 40 has a pre-compression claw 41, which is rotatably mounted on the mounting bracket 10 and located above the pre-compression base plate 20; Figures 4-8 As shown, the top pre-compression mechanism 40 also includes a tension spring 43 and a pre-compression mounting plate 42 disposed on the mounting bracket 10. The pre-compression mounting plate 42 has a limiting disc 421, and the limiting disc 421 has limiting protrusions 4211 on its periphery. The pre-compression claw 41 has a mounting hole 411, and the pre-compression claw 41 has a limiting groove 412 on the wall of the mounting hole 411. The limiting disc 421 is inserted into the mounting hole 411, and the limiting protrusion 4211 is embedded in the limiting groove 412. The tension spring 43 is connected between the pre-compression claw 41 and the pre-compression mounting plate 42, and the tension spring 43 applies tension to the pre-compression claw 41 to keep the pre-compression claw 41 in a first position state. The pre-compression claw 41 has a first position state and a second position state, such as... Figures 4-7As shown, in this embodiment, in the first position state, the pre-compression claw 41 is preferably in a horizontal state. The pre-compression claw 41 acts as a limiting member cooperating with the first conveyor belt 22, and is used to press the top of the container bag; as... Figure 8 As shown, in the second position state, the preloaded jaw 41 is set vertically.

[0049] The working principle of the pre-compression anti-rebound device is as follows:

[0050] Before stacking the container bags 60, the pre-compression claws 41 are in a state of tension under the pull of the tension spring 43. Figures 4-7 In the first position shown, a counterweight of appropriate weight is placed in the counterweight box 31 as needed. At this time, the counterweight box 31 is located at the lower limit of its stroke under its own weight. Under the pull of the traction rope 32, the pre-pressure base plate 20 and the first conveyor belt 22 are at the upper limit of their stroke. At this time, the first conveyor belt 22 is close to or near the bottom of the pre-pressure claw 41.

[0051] When stacking the container bags 60, a folded container bag 60 is placed on top of the pre-compression claw 41 and moved downwards. During the downward movement of the container bag 60, the bottom of the container bag 60 pushes the pre-compression claw 41 downwards so that the pre-compression claw 41 faces the rotation direction. At this time, the end of the pre-compression claw 41 can push the pre-compression base plate 20 downwards. The pre-compression base plate 20 pulls the counterweight box 31 upwards through the pull rope 32 until the pre-compression claw 41 rotates to the second position (vertical state). Then, the container bag 60 moves to the top of the first conveyor belt 22 for placement. After the container bag 60 moves away from the end of the pre-compression claw 41, the pre-compression claw 41 rotates and returns to the first position under the pull of the tension spring 43. Then, the container bag 60 can be released. At this point, under the weight of the counterweight box 31, the pre-compression base plate 20, the first conveyor belt 22, and the container bag 60 are simultaneously pulled upwards by the pull rope 32 until the container bag 60 is squeezed between the pre-compression claw 41 and the first conveyor belt 22 and stops. This completes the stacking of the first container bag 60. Following this process, multiple container bags 60 can be stacked neatly one by one. Figure 2 The image shows the effect of stacking five FIBCs (Flexible Intermediate Bulk Containers) at a density of 6

[0052] Thus, the pre-compression anti-rebound device provided in this application can keep the stacked FIBCs 60 in a compressed state at all times, so that the FIBCs are always in a folded state, ensuring the folding quality. For manual folding, there is no need for secondary sorting, saving secondary sorting time. For mechanical folding, there is no need for the pre-compression mechanism to repeatedly pre-compress the FIBCs, improving the quality of pre-compressed products.

[0053] Furthermore, existing pre-compression mechanisms adjust the compression height each time through a program. If the thickness of the FIBC (Flexible Intermediate Bulk Container) 60 is inconsistent, it will lead to inconsistent control programs, resulting in relatively cumbersome control and time-consuming and labor-intensive subsequent setup or modification of the relevant control programs. The pre-compression anti-rebound device provided in this application, in actual use, ensures that the mechanical path is consistent for each mechanical folding operation, making operation and control simple and facilitating the setup or modification of the relevant control programs. It should be noted that using it for stacking FIBCs 60 is only a preferred embodiment of this invention, and the present invention is not limited to this. In other embodiments, the pre-compression anti-rebound device provided in this application can also be used for stacking other similar products, such as folded cotton wadding, blankets, and other products that will spring back.

[0054] like Figures 1-3 , Figure 9 As shown, the conveying pressing device 70 is used to abut and limit the top of the stacked FIBCs 60 during the process of stacking and moving them to the channel-type packing machine 90 for packing. The conveying pressing device 70 includes a conveying pressing plate 71 and a telescopic mechanism 72. The conveying pressing plate 71 is located above the pre-pressing claw 41; the telescopic mechanism 72 is located on the packing machine frame 80 and connected to the conveying pressing plate 71, and is used to drive the conveying pressing plate 71 to reciprocate vertically. In this embodiment, the telescopic mechanism 72 includes a telescopic mounting frame 721 located on the packing machine frame 80 and a telescopic cylinder 722 vertically mounted on the telescopic mounting frame 721. The conveying pressing plate 71 is located at the telescopic end of the telescopic cylinder 722. In this embodiment, there are two telescopic cylinders 722, spaced apart and vertically arranged, and there are two conveying pressing plates 71, each corresponding to one of the two telescopic cylinders 722. The conveyor pressing plate 71 can also be equipped with a guide slide rod to guide the lifting and lowering of the conveyor pressing plate 71. The guide slide rod can be set by sliding through the telescopic mounting frame 721.

[0055] like Figures 1-3 As shown, the packing frame 80 is equipped with a channel-type packing machine 90, which is located on one side of the pre-compression anti-rebound device. A second conveyor belt 91 is installed inside the channel-type packing machine 90. In this embodiment, the channel-type packing machine 90 is an existing product. The channel-type packing machine 90 is used to pack the stacked FIBCs 60. The packing positions are generally near both ends of the FIBCs 60, meaning that packing the FIBCs 60 at two locations is sufficient. The second conveyor belt 91 inside the channel-type packing machine 90 is used to transport the packed FIBCs 60 to the next process.

[0056] like Figures 1-3 , Figure 9As shown, in some embodiments, the telescopic mounting frame 721 is provided with a third slider 723, and the packaging frame 80 is horizontally provided with a third slide rail 81, with the third slider 723 slidably mounted on the third slide rail 81. By providing the third slider 723 and the third slide rail 81, the telescopic mounting frame 721 can slide horizontally to adjust the horizontal position of the telescopic cylinder 722 and the conveying pressing plate 71. The packaging frame 80 is provided with a drive motor 82, which drives and connects to a driving synchronous pulley 83; the packaging frame 80 is rotatably provided with a driven synchronous pulley 84, and a synchronous belt 85 is wound between the driving synchronous pulley 83 and the driven synchronous pulley 84, with the telescopic mounting frame 721 connected to the synchronous belt 85. Thus, the drive motor 82 can drive the driving synchronous pulley 83 to rotate, thereby driving the synchronous belt 85 to move. The moving synchronous belt 85 can then drive the telescopic mounting frame 721, the telescopic cylinder 722, and the conveying pressing plate 71 to move horizontally as a whole to adjust their positions, making operation convenient.

[0057] The specific working principle of the pre-compression packaging machine provided in this application is as follows:

[0058] Before use, the positions of each structure of the pre-compression packaging machine are as follows: Figure 1 As shown, the conveyor pressing device 70 is located at the far right of its travel and above the channel-type packing machine 90, with the two telescopic cylinders 722 in a retracted state; the first conveyor belt 22 and the pre-pressing base plate 20 are at their highest points of travel under the pull of the counterweight box 31. After multiple container bags 60 (five container bags 60 are stacked in this embodiment) are sequentially placed between the first conveyor belt 22 and the pre-pressing claw 41, the drive motor 82 is started. After the drive motor 82 drives the synchronous belt 85 to move, the synchronous belt 85 drives the telescopic mounting frame 721, the telescopic cylinders 722, and the conveyor pressing plate 71 to move horizontally to the left above the container bags 60. Figure 2 As shown, stop driving motor 82.

[0059] Then, the telescopic cylinder 722 is activated, extending a set distance to push the conveyor pressing plate 71 downwards a set distance. After the conveyor pressing plate 71 moves downwards, it abuts against the top of the uppermost container bag 60 and pushes the stacked container bags 60 downwards as a whole until the top of the uppermost container bag 60 separates from the bottom of the pre-compression claw 41, at which point the telescopic cylinder 722 stops. At this time, the tunnel-type baler 90 is activated to tie and secure the right end of the stacked container bags 60.

[0060] Then, the drive motor 82 is started, which drives the telescopic mounting frame 721, telescopic cylinder 722, and conveyor pressing plate 71 to move horizontally to the right a certain distance. Simultaneously, the first conveyor belt 22 is started, driving the stacked container bags 60 to move to the right. During this movement, the conveying speed of the first conveyor belt 22 is synchronized with the moving speed of the telescopic mounting frame 721. Thus, the container bags 60 are always pressed and fixed between the first conveyor belt 22 and the conveyor pressing plate 71 during their rightward movement. Therefore, the pre-compressed container bags are kept compressed during the packaging process, preventing them from scattering and ensuring neat stacking for packaging. During the movement, the telescopic cylinder 722 on the right side shortens and moves above the tunnel-type packaging machine 90, eventually stopping at... Figure 3 When the state shown is reached, the first conveyor belt 22 and drive motor 82 are stopped. Then, the tunnel-type packing machine 90 is started to tie and secure the left end of the stacked container bags 60.

[0061] Once both ends of the stacked container bags 60 are secured with knots, the packaging process is complete. The telescopic cylinder 722 on the left retracts, and the second conveyor belt 91 is activated to transport the container bags 60 to the next process. The drive motor 82 is then activated to move the conveyor pressing device 70 to... Figure 1 The container bag 60 is reset to its original position. Simultaneously, as the container bag 60 moves out of the first conveyor belt 22, the weight of the counterweight box 31 drives the first conveyor belt 22 to move upwards and reset. At this point, the entire assembly becomes... Figure 1 As shown in the image, wait to continue stacking 60 container bags.

[0062] Currently, manual compression and packaging of FIBCs requires threading, hand-tying ropes, and relying on body weight for pre-compression. This solution uses a tunnel-type strapping machine (90) for automatic rope tying and automatic pre-compression via cylinders, solving the problems of time-consuming and labor-intensive manual pre-compression. Furthermore, this equipment is ergonomic, significantly improving the working environment for workers. While mechanically folding and pre-compressing FIBCs currently relies on manual rope tying, this method, while solving the pre-compression problem, does not address the issue of automatic rope tying. This solution allows for automatic rope tying via a tunnel-type strapping machine (90) during pre-compression, significantly improving pre-compression efficiency and achieving automated operation.

[0063] Optionally, for ease of automatic control, this embodiment can be equipped with a corresponding processor and photoelectric sensor 724 for automatic control. In use, such as... Figure 9 and Figure 10As shown, the photoelectric sensor 724 is mounted on the telescopic mounting frame 721. The photoelectric sensor 724 and the telescopic mounting frame 721 move synchronously. Preferably, a C-shaped groove can be provided on the telescopic mounting frame 721 to install the photoelectric sensor 724, which facilitates adjustment of the sensing position of the photoelectric sensor 724 along the C-shaped groove, making it more user-friendly for adjusting compression at different ending positions. In this embodiment, multiple sensor baffles 725 can be set at corresponding positions on the packing frame 80, with one sensor baffle 725 corresponding to the position where the telescopic mounting frame 721 stops each time. The photoelectric sensor 724, telescopic cylinder 722, drive motor 82, first conveyor belt 22 and second conveyor belt 91 are all connected to a processor, which automatically controls each electrical component. The processor can be a PLC processor or an STM32 chip, etc.

[0064] Furthermore, the packaging machine provided in this application has a lower cost. Existing companies generally use heat fusion packaging, which results in high consumable costs. The packaging machine provided in this application uses mechanical end (slip knot) packaging, with the knotting method being the same as manual, taking only 1.5 seconds. It also facilitates the disassembly and assembly of the binding rope during subsequent use, making it more user-friendly for downstream processes.

[0065] like Figures 1-4 As shown, in some embodiments, the bottom of the pre-compression claw 41 is provided with multiple anti-slip textures 413. Thus, after the bottom of the pre-compression claw 41 is pressed against the top of the container bag 60, the anti-slip textures 413 contact the top of the container bag 60, which can increase the friction between the pre-compression claw 41 and the container bag 60, thereby achieving an anti-slip effect.

[0066] like Figures 1-4 As shown, in some embodiments, the mounting bracket 10 is vertically provided with a first slide rail 11 and a second slide rail 12, and the counterweight box 31 is provided with a first slider 311, which is slidably disposed on the first slide rail 11. By providing the first slider 311 and the first slide rail 11, the accuracy and stability of the sliding of the counterweight box 31 can be improved. The preload base plate 20 is provided with a second slider 21, which is slidably disposed on the second slide rail 12. By providing the second slider 21 and the second slide rail 12, the accuracy and stability of the sliding of the preload base plate 20 can be improved.

[0067] like Figures 1-4As shown, in some embodiments, a base 50 is also included on the packaging machine frame 80, a mounting bracket 10 is disposed on the base 50, and a plurality of limiting rods 51 are spaced apart on the base 50. An anti-pressure support block 52 is provided on the base 50 below the pre-compression base plate 20. This utility model, by providing a base 50, facilitates the installation of structures such as the mounting bracket 10 via the base 50. Furthermore, the plurality of limiting rods 51 spaced apart on the base 50 allow the container bags 60 to be positioned between the limiting rods 51 after they are stacked, facilitating the limiting of the stacked container bags 60 by the limiting rods 51. The anti-pressure support block 52 is used to support the pre-compression base plate 20.

[0068] Furthermore, unless otherwise explicitly specified or limited, the terms "installation" and "connection" in this application embodiment should be interpreted broadly. For example, "connection" can be a detachable connection or a non-detachable connection; it can be a direct connection or an indirect connection through an intermediate medium. The terms "upper," "lower," "left," "right," "inner," "outer," and "side," etc., are merely for reference to the direction in the accompanying drawings or the usual placement of the product during use. They are only for clearly describing this application and do not indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation. They should not be construed as limitations on this application. The terms "first," "second," etc., are only used for distinguishing descriptions and should not be construed as indicating or implying relative importance; "multiple" refers to at least two. In this application embodiment, the limitations on relative positional relationships such as parallel, perpendicular, and aligned are all relative to the current technological level and are not absolutely strict limitations. Slight deviations are allowed; approximations of parallel, perpendicular, and aligned are all acceptable. For example, "A and B are parallel" means that A and B are parallel or approximately parallel, and the angle between A and B can be between 0 degrees and 10 degrees.

[0069] The above are only some embodiments and implementation methods of this application. The protection scope of this application is not limited thereto. In the absence of conflict, the embodiments and features in the embodiments of this application can be combined with each other. Any combination of features in different embodiments is also within the protection scope of this application. Any changes or substitutions that can be easily conceived by those skilled in the art within the scope of the technology disclosed in this application should be included within the protection scope of this application.

Claims

1. A pre-compression packaging machine, characterized in that, include: Packaging rack (80); Pre-compression anti-rebound device, including: Mounting bracket (10) is provided on the packaging machine frame (80); A pre-compression base plate (20) is slidably mounted on the mounting bracket (10) in the vertical direction, and a first conveyor belt (22) is provided on the top of the pre-compression base plate (20); A drive mechanism (30) is movably disposed on the mounting bracket (10), and the drive mechanism (30) is used to drive the pre-compression base plate (20) to slide upward; The top pre-compression mechanism (40) has a pre-compression claw (41), which is rotatably mounted on the mounting bracket (10) and is located above the first conveyor belt (22). The pre-compression claw (41) has a first position state and a second position state. In the first position state, the pre-compression claw (41) acts as a limiting member that cooperates with the first conveyor belt (22). In the second position state, the pre-compression claw (41) is vertically arranged. The pressing device (70) includes: The conveying pressing plate (71) is located above the pre-pressing claw (41); A telescopic mechanism (72) is provided on the packaging frame (80) and connected to the conveying pressing plate (71). The telescopic mechanism (72) is used to drive the conveying pressing plate (71) to reciprocate in the vertical direction.

2. The pre-compression packaging machine according to claim 1, characterized in that, The packing frame (80) is equipped with a channel packing machine (90), which is located on one side of the pre-compression anti-rebound device, and a second conveyor belt (91) is provided inside the channel packing machine (90).

3. A pre-compression packaging machine according to claim 1, characterized in that, The telescopic mechanism (72) includes a telescopic mounting frame (721) disposed on the packaging machine frame (80) and a telescopic cylinder (722) vertically disposed on the telescopic mounting frame (721), and the conveying pressing plate (71) is disposed at the telescopic end of the telescopic cylinder (722).

4. A pre-compression packaging machine according to claim 3, characterized in that, The telescopic mounting frame (721) is provided with a third slider (723), and the packaging machine frame (80) is provided with a third slide rail (81) horizontally, and the third slider (723) is slidably disposed on the third slide rail (81).

5. A pre-compression packaging machine according to claim 4, characterized in that, The packing frame (80) is equipped with a drive motor (82), which drives and connects to an active synchronous pulley (83); the packing frame (80) is rotatably equipped with a driven synchronous pulley (84), and a synchronous belt (85) is wound between the active synchronous pulley (83) and the driven synchronous pulley (84), and the telescopic mounting frame (721) is connected to the synchronous belt (85).

6. A pre-compression packaging machine according to claim 1, characterized in that, The top pre-compression mechanism (40) further includes a pre-compression mounting plate (42) disposed on the mounting bracket (10), the pre-compression mounting plate (42) having a limiting disc (421), and the limiting disc (421) having a limiting protrusion (4211) on its periphery; The pre-compression claw (41) has a mounting hole (411), and the pre-compression claw (41) has a limiting groove (412) on the wall of the mounting hole (411); the limiting plate (421) is inserted into the mounting hole (411), and the limiting protrusion (4211) is embedded in the limiting groove (412).

7. A pre-compression packaging machine according to claim 6, characterized in that, The top pre-compression mechanism (40) also includes a tension spring (43), which is connected between the pre-compression claw (41) and the pre-compression mounting plate (42). The tension spring (43) applies tension to the pre-compression claw (41) to keep the pre-compression claw (41) in the first position.

8. A pre-compression packaging machine according to claim 1, characterized in that, The drive mechanism (30) includes: Counterweight box (31); Mounting shaft (33) is horizontally mounted on the mounting bracket (10); A pulley (34) is rotatably mounted on the mounting shaft (33); A pull rope (32) is wound around the pulley (34). One end of the pull rope (32) is connected to the pre-pressed base plate (20), and the other end of the pull rope (32) is connected to the counterweight box (31).

9. A pre-compression packaging machine according to claim 8, characterized in that, The mounting bracket (10) is vertically provided with a first slide rail (11) and a second slide rail (12). The counterweight box (31) is provided with a first slider (311), which is slidably disposed on the first slide rail (11). The pre-pressurized base plate (20) is provided with a second slider (21), which is slidably disposed on the second slide rail (12).

10. A pre-compression packaging machine according to claim 1, characterized in that, It also includes a base (50) provided on the packaging machine frame (80), the mounting bracket (10) is provided on the base (50), the base (50) is provided with a plurality of limiting rods (51) spaced apart, and the base (50) is provided with an anti-pressure support block (52) below the pre-compression base plate (20).

Images