Bag preparing and supplying device capable of improving applicability

Abstract

The invention discloses a bag preparing and supplying device capable of improving applicability, which belongs to the technical field of bag supplying and packaging, and comprises a rack, and a bag preparing mechanism, a bag sucking mechanism and a bag arranging mechanism which are mounted on the rack, the first forward and reverse thread lead screw double-sliding-block module is installed on the rack, the second forward and reverse thread lead screw double-sliding-block module is installed on the bag preparing mechanism, two sliding blocks of the first forward and reverse thread lead screw double-sliding-block module are each provided with a bag arranging plate, and the two bag arranging plates are parallel to each other and used for arranging bags for the bag arranging mechanism; the first positive and negative tooth lead screw double-sliding-block module and the second positive and negative tooth lead screw double-sliding-block module are matched to act synchronously, so that a bag arranging plate driven by the first positive and negative tooth lead screw double-sliding-block module and a baffle driven by the second positive and negative tooth lead screw double-sliding-block module are aligned up and down. And the baffle is used for limiting the position where the stack of prefabricated bags move to the bag suction mechanism, so that the stack of prefabricated bags moved to the bag suction mechanism correspond to the position between the two bag arranging plates on the bag arranging mechanism, and the applicability and efficiency can be improved.

Description

Technical Field

[0001] The present invention belongs to the technical field of bag feeding and packaging, and more specifically, the present invention relates to a bag preparation and supplying device with improved applicability. Background Art

[0002] In the field of bag feeding and packaging equipment, the performance of the bag preparation, bag taking and bag loading devices for woven bags, plastic bags and the like as the core functional components is directly related to the operating speed and running stability of the bag feeding and packaging machine. In the prior art, a Chinese patent authorization text with the authorization announcement number CN103303525B discloses a bag feeding and packaging machine with a dual bag sorting function. Its bag preparation mechanism is exquisitely designed, including a bag preparation frame, a first motor, a first driving shaft, a first driven shaft, two first roller chain rings, a number of flat plates, and a number of cross baffles. These cross baffles are cleverly fixed on the flat plates, together forming a number of rotating stations, each of which can safely carry a stack of prefabricated bags, thereby realizing the smooth transportation of prefabricated bags from the outside to the inside of the frame.

[0003] However, although this design performs well in conveying pre-made bags, the fixed size of the rotary station has become a bottleneck in its applicability. In actual operation, when it is necessary to replace pre-made bags of different specifications on this fixed-size station, there is often a problem: how to ensure that the pre-made bags can be dragged and dropped to the center of the pallet by the bag sorting mechanism flatly and accurately. This challenge mainly stems from the mismatch between the size of the pre-made bags and the size of the rotary station, as well as the limited applicability of the bag sorting mechanism to pre-made bags of different sizes, which in turn affects the overall operating efficiency of the equipment.

[0004] In order to meet this challenge, the existing technology adopts a dual bag sorting function by configuring two auxiliary bag sorting components and equipping each with a driver to drive the bag sorting seat to move inward. Although this design can cleverly push the prefabricated bags on the pallet to adjust them to the center of the pallet, it can solve the problem caused by the fixed size of the rotating station to a certain extent. Unfortunately, this method of frequently using two drivers to push each prefabricated bag to adjust its position not only increases the operating burden of the equipment, but may also lead to accelerated wear of mechanical parts and increased failure rates. Therefore, while this design improves the applicability of the equipment, it also brings challenges to stability and reliability. It is urgent to find a more optimized solution to improve this situation. Summary of the invention

[0005] An object of the present invention is to address at least the above-mentioned disadvantages and to provide at least the advantages which will be described hereinafter.

[0006] The present invention provides a bag preparation and supply device with improved applicability. The present invention solves the applicability problem of the fixed size of the rotary station in the prior art to prefabricated bags of different sizes by synchronously aligning the bag sorting plate and the baffle plate up and down. The present invention ensures stability and accuracy in the bag sorting process and improves the success rate and efficiency of bag sorting.

[0007] The present invention provides a bag preparation and supply device with improved applicability, comprising a bag preparation mechanism and a bag sorting mechanism, wherein the bag sorting part of the bag sorting mechanism is located above the bag preparation mechanism; the bag preparation mechanism has a hollow bin bottom for placing stacked prefabricated bags; a second positive and negative threaded screw double slider module is arranged in the hollow bin bottom, and vertical baffles and telescopic baffles are respectively arranged on the double sliders of the second positive and negative threaded screw double slider module; a first positive and negative threaded screw double slider module spanning the transportation channel is arranged on the prefabricated bag transportation channel of the bag sorting mechanism, and two bag sorting plates are arranged on the double sliders of the first positive and negative threaded screw double slider module; a linkage mechanism is arranged between the first positive and negative threaded screw double slider module and the second positive and negative threaded screw double slider module, and when the distance between the double sliders of the first positive and negative threaded screw double slider module is adjusted to adapt to the width of the prefabricated bag, the distance between the double sliders of the second positive and negative threaded screw double slider module will also be adjusted accordingly to achieve adaptation to prefabricated bags of different widths.

[0008] Specifically, it includes a frame and a bag preparation mechanism, a bag suction mechanism and a bag sorting mechanism installed on the frame. The bag preparation mechanism is used to place one or more stacks of prefabricated bags and move the prefabricated bags one stack at a time to the bag suction mechanism. The bag suction mechanism is used to absorb the stack of prefabricated bags moved below the bag suction mechanism and suck up the closed end of the single prefabricated bag on the top layer. The bag sorting mechanism is used to lift the single prefabricated bag sucked by the bag suction mechanism and sort it into a horizontal state and completely independent of the stack of prefabricated bags below, and supply the corresponding prefabricated bag to the robot arm of the next process to open. It also includes a first forward and reverse screw double slider module installed on the frame and a second forward and reverse screw double slider module installed on the bag preparation mechanism, wherein a bag sorting plate is respectively arranged on the two sliders of the first forward and reverse screw double slider module, and the two bag sorting plates are parallel to each other and are used for sorting bags for the bag sorting mechanism; the first forward and reverse screw double slider module and the second forward and reverse screw double slider module cooperate and move synchronously so that the bag sorting plate driven by the first forward and reverse screw double slider module and the baffle driven by the second forward and reverse screw double slider module are aligned up and down; the baffle is used to limit the position of a stack of prefabricated bags moving to the bag suction mechanism, so that the stack of prefabricated bags moved into the bag suction mechanism corresponds to the position between the two bag sorting plates on the bag sorting mechanism.

[0009] Preferably, the first positive and negative threaded screw double slider module includes a first positive and negative threaded screw, two sliders, a linear guide rail, and two first support seats; the two first support seats are fixed on both sides of the frame, and the two ends of the first positive and negative threaded screw are rotatably arranged on the two first support seats through bearings, the first positive and negative threaded screw is parallel to the support rod of the bag sorting mechanism, and the first positive and negative threaded screw is perpendicular to the bag sorting plate, and the two sliders are respectively threadedly connected to the positive and negative thread segments of the first positive and negative threaded screw, and can slide along the linear guide rail, thereby driving the two bag sorting plates on the two sliders to be relatively close or away.

[0010] Preferably, the bag preparation mechanism includes a square bag preparation bin and a moving mechanism, the bin bottom of the bag preparation bin is horizontally laid out at intervals by a plurality of square rods to form a hollow bin bottom, the length direction of the plurality of square rods is parallel to the length direction of the first positive and negative threaded screws; the moving mechanism includes a moving frame and a second cylinder, the moving frame is slidably arranged on the bin bottom, and the moving frame is driven by the second cylinder to slide along the length direction of the square rods to push a stack of prefabricated bags on the bin bottom into the bottom of the bag suction mechanism.

[0011] Preferably, it further comprises two guide rails, which are located below the hollowed-out portions of the plurality of square rods and are parallel to the plurality of square rods, and the lower end of the mobile frame is provided with wheels matching the two guide rails.

[0012] Preferably, the second positive and negative threaded screw double slider module includes a second positive and negative threaded screw, a first slider, a second slider, a vertical baffle, a telescopic baffle, a third cylinder, a linear guide, and two second support seats; the two second support seats are fixedly arranged below the multiple square rods, and the two ends of the second positive and negative threaded screw are rotatably arranged on the two second support seats through bearings, the second positive and negative threaded screw is parallel to the first positive and negative threaded screw, the first slider is close to one end of the bag preparation warehouse, the second slider is located in the middle of the bag preparation warehouse, the vertical baffle is arranged on the first slider, and the telescopic baffle is slidably passed through the The second slider is on the second slider, and the telescopic baffle is driven to move up and down by the third cylinder; when the upper end of the telescopic baffle moves upward and is higher than the bottom of the warehouse, a stack of premade bags on the bottom of the warehouse can be limited between the telescopic baffle and the vertical baffle; the first slider and the second slider are respectively threaded on the positive and negative thread segments of the second positive and negative threaded screw, and can slide along the linear guide rail, thereby driving the vertical baffle and the telescopic baffle to be relatively close to or away from each other, so that the stack of premade bags located between the telescopic baffle and the vertical baffle corresponds to the position between the two bag sorting plates on the bag sorting mechanism.

[0013] Preferably, the vertical baffle comprises two or more plate bodies, the telescopic baffle comprises two or more plate bodies, the vertical baffle, the telescopic baffle, the bag sorting plate and the movable frame are parallel to each other; the lower ends of the two or more plate bodies of the telescopic baffle are fixedly connected to the same horizontal plate, the third cylinder is arranged between the horizontal plate and the second sliding block, and the piston end of the third cylinder is connected to the horizontal plate to drive the two or more plate bodies of the telescopic baffle to move up and down.

[0014] Preferably, the linkage mechanism includes a first gear, a second gear and a chain ring, the first gear is arranged at one end of the first forward and reverse screw, the second gear is arranged at one end of the second forward and reverse screw, the first gear and the second gear have the same specifications, and the chain ring is wound between the first gear and the second gear for synchronous rotation.

[0015] Preferably, it also includes a power roller, a first motor, a non-powered bag pressing wheel group and a fourth cylinder, the power roller is arranged between the ends of the two roller chain rings of the bag sorting mechanism and the transition plate, the top surface of the power roller is parallel to the plane where the two roller chain rings are located and on the same plane, the transition plate is close to and parallel to the top surface of the power roller, the axial direction of the power roller is parallel to the support rod of the bag sorting mechanism, and the power roller is driven to rotate by the first motor to drive the prefabricated bags to move backward; the non-powered bag pressing wheel group is composed of two coaxially arranged rubber rollers, and the axial direction of the rollers is parallel to the axial direction of the power roller, the non-powered bag pressing wheel group is located directly above the top surface of the power roller, and is driven to move up and down by the fourth cylinder to press the rollers against or away from the top surface of the power roller.

[0016] Preferably, the lower side of the bag sorting plate is close to the upper surface of the tray, and soft bristles are arranged on the lower side of the bag sorting plate vertically downward or inclined to both sides, and the soft bristles can contact the upper surface of the tray.

[0017] The present invention has at least the following beneficial effects: First, the present invention can easily adapt to prefabricated bags of different specifications by synchronously aligning the bag sorting plate and the baffle plate up and down, and synchronously adjusting the distance between the double sliders of the two screw modules, so that the distance between the two bag sorting plates is equal to the width of the prefabricated bags, simplifying the operation process, and solving the problem of the applicability of the fixed size of the rotating station in the prior art to prefabricated bags of different sizes, ensuring the stability and accuracy of the bag sorting process, and improving the success rate and efficiency of bag sorting.

[0018] Second, the present invention improves the flexibility of limiting by combining components such as a telescopic baffle, a third cylinder and a vertical baffle, which is beneficial to the corresponding and neat bag-taking process of each stack of prefabricated bags. It not only realizes the flexible limiting and smooth movement of the prefabricated bags, but also improves the operational stability and efficiency.

[0019] Third, the present invention improves the moving efficiency of prefabricated bags by designing a combination of components such as a power roller, a first motor, a non-powered bag pressing wheel group and a fourth cylinder, achieves precise positioning of prefabricated bags, enhances the flexibility and applicability of the equipment, reduces damage and deformation of prefabricated bags, and meets the high requirements of modern production lines for efficiency, precision and flexibility.

[0020] Other advantages, objectives and features of the present invention will be embodied in part through the following description, and in part will be understood by those skilled in the art through study and practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a three-dimensional structural schematic diagram of a first implementation form of the bag preparation and supply device with improved applicability according to the present invention; Figure 2 It is a left side schematic diagram of the bag preparation and supply device with improved applicability according to the present invention; Figure 3 A schematic front view of a bag preparation and supply device with improved applicability according to the present invention; Figure 4 It is a three-dimensional structural schematic diagram of the bag preparation mechanism of the bag preparation and supply device with improved applicability according to the present invention when the telescopic baffle moves downward; Figure 5 It is a three-dimensional structural schematic diagram of the bag preparation mechanism of the bag preparation and supply device with improved applicability according to the present invention when the telescopic baffle is moved up; Figure 6 A bottom-up three-dimensional structural schematic diagram of a bag preparation mechanism of a bag preparation and supply device for improving applicability according to the present invention; Figure 7 for Figure 6 Schematic diagram of the enlarged structure of A.

[0022] Among them, the frame 1; the driven shaft 2; the support rod 3; the roller chain ring 4; the bag sorting mechanism 5; the second forward and reverse threaded screw 6; the square rod body 7; the first support seat 8; the second motor 9; the first motor 10; the power roller 11; the soft bristles 12; the bag sorting plate 13; the fourth cylinder 14; the rubber roller 15; the first forward and reverse threaded screw 16; the slider 17; the first cylinder 18; the suction cup 19; the cylinder fixing plate 20; the bag suction mechanism 21; the prefabricated bag 22; the chain ring 23; the moving frame 24; the bag preparation mechanism 25; the vertical baffle 26; the telescopic baffle 27; the horizontal plate 28; the second slider 29; the first slider 30; the second cylinder 31; the second gear 32; the first gear 33; the linear guide 34; the first forward and reverse threaded screw double slider module 35; the second forward and reverse threaded screw double slider module 36; the guide rail 37; the transition plate 38; the third cylinder 39. DETAILED DESCRIPTION

[0023] The present invention is further described in detail below in conjunction with embodiments so that those skilled in the art can implement the invention with reference to the description.

[0024] It should be noted that the experimental methods described in the following embodiments are conventional methods unless otherwise specified, and the reagents and materials can be obtained from commercial sources unless otherwise specified; in the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "set" should be understood in a broad sense, for example, they can be fixedly connected, set, or detachably connected, set, or connected and set in one piece. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood in specific circumstances. The orientation or position relationship indicated by the terms "lateral", "longitudinal", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc. is based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present invention.

[0025] Figures 1 to 7 The embodiment of the bag preparation and supply device with improved applicability is shown, which comprises a bag preparation mechanism 25 and a bag sorting mechanism 5, wherein the bag sorting part of the bag sorting mechanism 5 is located above the bag preparation mechanism 25; The bag preparation mechanism 25 has a hollowed-out bottom for placing stacked prefabricated bags 22; A second positive and negative threaded screw double slider module 36 is arranged in the hollow warehouse bottom, and baffles (specifically a vertical baffle 26 and a telescopic baffle 27) are respectively arranged on the double sliders of the second positive and negative threaded screw double slider module 36; The transport channel of the pre-made bags 22 of the bag sorting mechanism 5 is provided with a first positive and negative threaded screw double slider module 35 spanning the transport channel, and two bag sorting plates 13 are provided on the double sliders of the first positive and negative threaded screw double slider module 35; A linkage mechanism is arranged between the first positive and negative thread screw double slider module 35 and the second positive and negative thread screw double slider module 36. When the distance between the double sliders of the first positive and negative thread screw double slider module 35 is adjusted to adapt to the width of the prefabricated bag 22, the distance between the double sliders of the second positive and negative thread screw double slider module 36 will also be adjusted accordingly to achieve adaptation to prefabricated bags 22 of different widths.

[0026] The bag preparation and supply device with improved applicability specifically includes a frame 1 and a bag preparation mechanism 25, a bag suction mechanism 21 and a bag sorting mechanism 5 installed on the frame 1. The bag preparation mechanism 25 is used to place one or more stacks of prefabricated bags and move the prefabricated bags one stack at a time to the bag suction mechanism 21. The bag suction mechanism 21 is used to absorb the stack of prefabricated bags moved below the bag suction mechanism 21 and suck up the closed end of the single prefabricated bag on the top layer; the bag sorting mechanism 5 is used to lift the single prefabricated bag 22 sucked up by the bag suction mechanism 21 into a horizontal state and completely independent of the stack of prefabricated bags below, and supply the robot arm of the next process to open the corresponding prefabricated bag.

[0027] The bag preparation mechanism 25 further comprises a first positive and negative threaded screw double slider module 35 mounted on the bracket and a second positive and negative threaded screw double slider module 36 mounted on the bag preparation mechanism 25. The two sliders 17 of the first positive and negative threaded screw double slider module 35 are respectively provided with a bag sorting plate 13. The two bag sorting plates 13 are parallel to each other and are used to sort bags for the bag sorting mechanism 5. That is, the limiting guiding effect of the two bag sorting plates 13 is beneficial to guide the single prefabricated bag 22 held up by the bag sorting mechanism 5 to the central position of the tray of the bag sorting mechanism 5. The first positive and negative threaded screw double slider module 35 and the second positive and negative threaded screw double slider module 36 cooperate and act synchronously, so that the bag sorting plate 13 driven by the first positive and negative threaded screw double slider module 35 and the baffle driven by the second positive and negative threaded screw double slider module 36 are aligned up and down; the baffle is used to limit the position of a stack of prefabricated bags moving to the bag suction mechanism 21, so that the stack of prefabricated bags moved into the bag suction mechanism 21 corresponds to the position between the two bag sorting plates 13 on the bag sorting mechanism 5. This solves the problem of the applicability of the existing technology of fixed rotary station size to prefabricated bags of different sizes.

[0028] When in use, the operator only needs to manually, electrically or automatically adjust the distance between the double sliders of the two lead screw modules according to the size of the prefabricated bag, so that the distance between the two bag sorting plates 13 is equal to the width of the prefabricated bag, that is, the distance between the two baffles is also equal to the width of the prefabricated bag, so that it can easily adapt to prefabricated bags of different specifications, simplifying the operation process. The present invention solves the problem of the applicability of the existing rotary station size fixed to prefabricated bags of different sizes by aligning the bag sorting plate 13 and the baffle up and down synchronously, ensuring the stability and accuracy of the bag sorting process, and improving the success rate and efficiency of bag sorting.

[0029] In the above technical solution, the bag suction mechanism 21 and the bag sorting mechanism 5 can both adopt the structure of the existing technology. The bag suction mechanism 21 is used to absorb a stack of prefabricated bags between the two baffles of the bag preparation mechanism 25 below the bag suction mechanism 21, and suck up the closed end of the single prefabricated bag 22 on the top layer. The bag suction mechanism 21 is installed in the frame 1 and is located above the two baffles of the bag preparation mechanism 25. The closed end of the stack of prefabricated bags between the two baffles faces the bag suction mechanism 21. The bag suction mechanism 21 includes a cylinder fixing plate 20, a first cylinder 18, a plurality of suction cups 19 and other components. The cylinder fixing plate 20 is installed in the frame 1 and suspended above the bag preparation mechanism 25. The cylinder body of the first cylinder 18 is installed on the cylinder fixing plate 20, and the suction cup 19 is fixed on the piston of the first cylinder 18. In order to facilitate the clear display of the internal structure, the frame is not fully shown in the drawings, and any support structure that meets the supporting and fixing function in the field can be used.

[0030] The bag sorting mechanism 5 is used to sort the single prefabricated bag 22 sucked up by the bag suction mechanism 21 into a horizontal state and completely independent of the stack of prefabricated bags, and to send the prefabricated bags that have been sorted into a horizontal state to the position of the next process, so that the manipulator of the next process can open the corresponding prefabricated bag. The bag sorting mechanism 5 includes a second motor 9, a driving shaft, three driven shafts 2, two roller chain rings 4, a plurality of support rods 3, and a transition plate 38; a driving shaft and three driven shafts 2 are fixed on the frame 1 in parallel to each other to form a rectangular frame, and the two roller chain rings 4 are respectively wound around the two ends of the rectangular frame, that is, they are wound around the two ends of the four shafts at the same time, and the two roller chain rings 4 are opened to form a linkage. When the second motor 9 drives the driving shaft to rotate, the driving shaft can drive the driven shaft 2 to rotate by pulling the two roller chain rings 4, so that the plurality of support rods 3 fixed on the two roller chain rings 4 can move along the driving shaft and the driven shaft 2, and the transition plate 38 is installed at the end of the two roller chain rings 4. A plurality of supporting rods 3 are parallel to each other and also parallel to the driving shaft, and a plurality of supporting rods 3 are laid flat and fixed on two roller chain rings 4 to form two trays, and the two trays are arranged at equal intervals on the roller chain rings 4, that is, a gap is left between the two trays, so that the roller chain rings 4 are not completely surrounded by supporting rods 3. When the second motor 9 drives the plurality of supporting rods 3 to move to one side of the bag suction mechanism 21, so that the plurality of suction cups 19 can pass through the gap between the two trays to suck the closed end of the single prefabricated bag 22 of the uppermost layer, when the closed end of the single prefabricated bag of the uppermost layer is sucked up by the bag suction mechanism 21, the second motor then drives the tray formed by the plurality of supporting rods to move in the direction from the closed end to the open end of the corresponding prefabricated bag, so that one tray can flatten the prefabricated bag, and the open end of the single prefabricated bag slides to the transition plate.

[0031] The bag preparation mechanism 25 is arranged in the circle of the roller chain ring 4 that is supported by the driving shaft and the driven shaft 2 and extends to the outside of the roller chain ring 4. The length direction of the bag preparation bin of the bag preparation mechanism 25, the screw of the second positive and negative thread screw double slider module 36 and the driving shaft are parallel to each other, and the bag preparation bin of the bag preparation mechanism 25 extends to the outside of the roller chain ring 4 along the length direction. That is, one end of the bag preparation bin is arranged in the frame 1 and fixed to the frame 1, and the other end of the bag preparation bin extends outside the frame 1, so that half of the bag preparation bin is located below the bag suction mechanism 21 and is surrounded by two roller chain rings 4, and the other half is located outside the bracket, so that a stack of prefabricated bags can be placed horizontally on the bag preparation bin outside the bracket first. When each stack of prefabricated bags is placed, the closed end of each prefabricated bag is located on the side close to the suction cup 19, and the open end of each prefabricated bag is located on the side away from the suction cup 19, and the length direction of the prefabricated bag is perpendicular to the length direction of the screw. The stack of prefabricated bags is placed by the movable frame 24 of the bag preparation mechanism 25. After the bags are pushed under the bag suction mechanism 21 (under the action of the baffle driven by the second positive and negative screw double slider module 36, the pushed-in stack of prefabricated bags can be aligned with the position between the two bag sorting plates 13 on the bag sorting mechanism 5, thereby improving the applicability and bag sorting effect), the movable frame 24 is then controlled to reset to the end of the bag preparation bin outside the bracket, which is conducive to placing a spare stack of prefabricated bags in the bag preparation bin in advance. When it is detected that the previous stack of prefabricated bags has been used up, the spare stack of prefabricated bags can be automatically pushed under the bag suction mechanism 21 according to the specified stroke, and then reset to put the next spare stack of prefabricated bags in for use, and so on.

[0032] On the basis of the above implementation method, the first positive and negative threaded screw double slider module 35 includes a first positive and negative threaded screw 16, two sliders, a linear guide rail, and two first support seats 8; the two first support seats 8 are fixed on both sides of the bracket, and the two ends of the first positive and negative threaded screw 16 are rotatably arranged on the two first support seats 8 through bearings, the first positive and negative threaded screw 16 is parallel to the support rod 3 of the bag sorting mechanism 5, and the first positive and negative threaded screw 16 is perpendicular to the bag sorting plate 13, and the two sliders are respectively threadedly connected to the positive and negative thread segments of the first positive and negative threaded screw 16, and can slide along the linear guide rail, thereby driving the two bag sorting plates 13 on the two sliders to be relatively close or away.

[0033] On the basis of the above-mentioned implementation method, the bag preparation mechanism 25 includes a square bag preparation bin and a moving mechanism. The bottom of the bag preparation bin is horizontally laid out at intervals by a plurality of square rods 7 to form a hollow bin bottom. The length direction of the plurality of square rods 7 is parallel to the length direction of the first forward and reverse screws 16; the moving mechanism includes a moving frame 24 and a second cylinder 31. The moving frame 24 is slidably arranged on the bin bottom. The moving frame 24 is driven by the second cylinder 31 to slide along the length direction of the square rods 7 to push a stack of prefabricated bags on the bin bottom into the bottom of the bag suction mechanism 21.

[0034] On the basis of the above implementation, it also includes two guide rails 37, which are located below the hollowed-out square rods 7 and are parallel to the square rods 7. The lower end of the mobile frame 24 is provided with wheels matching the two guide rails 37. The two guide rails 37 are used to support and guide the mobile frame 24, which facilitates the movement of the mobile frame 24 along the length direction of the two guide rails 37, thereby smoothly pushing a stack of prefabricated bags on the bottom of the warehouse into the bottom of the bag suction mechanism 21.

[0035] On the basis of the above implementation, the second positive and negative threaded screw double slider module 36 includes a second positive and negative threaded screw 6, a first slider 30, a second slider 29, a vertical baffle 26, a telescopic baffle 27, a third cylinder 39, a linear guide 34, and two second support seats; the two baffles based on the above implementation include a vertical baffle 26 and a telescopic baffle 27; the two second support seats are fixedly arranged below the multiple square rods 7, and the two ends of the second positive and negative threaded screw 6 are rotatably arranged on the two second support seats through bearings, the second positive and negative threaded screw 6 is parallel to the first positive and negative threaded screw 16, the first slider 30 is close to one end of the bag preparation warehouse, one end of the bag preparation warehouse is located in the frame 1, and the other end of the bag preparation warehouse is located outside the frame 1, the second slider 29 is located in the middle of the bag preparation warehouse, the vertical baffle 26 is arranged on the first slider 30, and the telescopic baffle 27 is slidably passed through the second slider 29, and through The third cylinder drives the telescopic baffle 27 to move up and down; when the upper end of the telescopic baffle 27 moves upward and is higher than the warehouse bottom, the stack of prefabricated bags on the warehouse bottom can be limited between the telescopic baffle 27 and the vertical baffle 26; when the upper end of the telescopic baffle 27 moves downward and is lower than the warehouse bottom, the telescopic baffle 27 does not form a limit or an obstacle on the warehouse bottom, which is convenient for the mobile frame 24 to move smoothly along the length direction of the two guide rails 37, and push the stack of prefabricated bags on the warehouse bottom into the bottom of the bag suction mechanism 21; the first slider 30 and the second slider 29 are respectively threaded on the positive and negative thread sections of the second positive and negative thread screw 6, and can slide along the linear guide rail, thereby driving the vertical baffle 26 and the telescopic baffle 27 to move relatively close to or away from each other, so that the stack of prefabricated bags located between the telescopic baffle 27 and the vertical baffle 26 corresponds to the position between the two bag sorting plates 13 on the bag sorting mechanism 5.

[0036] The movable frame can be arranged to be inserted at the intervals between the plurality of square rods to move in a direction parallel to the plurality of square rods; the second cylinder is connected to the movable frame to drive the movable frame to move a predetermined distance along the plurality of square rods to push the prefabricated bag to the vertical baffle. The telescopic baffle can also be arranged to be inserted at the intervals between the plurality of square rods to be staggered from the moving path of the movable frame; when the movable frame pushes the prefabricated bag to the vertical baffle, the movable frame retreats, and the third cylinder drives the telescopic baffle to move upward to a predetermined height to expose the upper surface of the plurality of square rods.

[0037] On the basis of the above implementation method, the vertical baffle 26 includes two or more plate bodies, and the telescopic baffle 27 includes two or more plate bodies. The multiple plate bodies are conducive to improving the limiting effect of the prefabricated bags. The vertical baffle 26, the telescopic baffle 27, the bag sorting plate 13 and the movable frame 24 are parallel to each other; the lower ends of the two or more plate bodies of the telescopic baffle 27 are fixedly connected to the same horizontal plate 28, and the third cylinder is arranged between the horizontal plate 28 and the second slider 29, and the piston end of the third cylinder is connected to the horizontal plate 28 to drive the two or more plate bodies of the telescopic baffle 27 to move up and down. During use, when the movable frame 24 needs to push a stack of pre-made bags on the bottom of the warehouse into the bottom of the bag suction mechanism 21, the telescopic baffle 27 is controlled to move down below the bottom surface of the warehouse; when the movable frame 24 is reset, the telescopic baffle 27 is controlled to move up above the bottom surface of the warehouse, and the stack of pre-made bags under the bag suction mechanism 21 is limited between the telescopic baffle 27 and the vertical baffle 26, and corresponds to the position between the two bag sorting plates 13 of the bag sorting mechanism 5.

[0038] That is, when the prefabricated bag does not reach the predetermined position of the hollow warehouse bottom, the third cylinder drives the telescopic baffle to move downward, so that the telescopic baffle moves to a position where the upper surfaces of the multiple square rods in the hollow warehouse bottom are not exposed.

[0039] On the basis of the above implementation, a linkage mechanism is provided between the first positive and negative threaded screw double slider module 35 and the second positive and negative threaded screw double slider module 36. When the distance between the double sliders of the first positive and negative threaded screw double slider module is adjusted to adapt to the width of the prefabricated bag, the distance between the double sliders of the second positive and negative threaded screw double slider module will also be adjusted accordingly to achieve adaptation to prefabricated bags of different widths. The linkage mechanism also includes a first gear 33, a second gear 32 and a chain ring 23. The first gear 33 is arranged at one end of the first forward and reverse screw 16, and the second gear 32 is arranged at one end of the second forward and reverse screw 6. The first gear 33 and the second gear 32 have the same specifications. The chain ring 23 is wound between the first gear 33 and the second gear 32 for synchronous rotation.

[0040] In actual use, the first gear 33 and the second gear 32 are located on the same side, and the first gear 33 and the second gear 32 can be rotated manually or electrically driven. It is also possible to set a gear meshing of the same specification between the first gear 33 and the second gear 32 to replace the chain ring 23, so that the first gear 33 and the second gear 32 can also be rotated synchronously. In actual use, it is necessary to synchronously adjust the distance between the two bag sorting plates 13 and the distance between the vertical baffle 26 and the telescopic baffle 27 when the specifications of the bags are changed. The adjustment frequency is not high, and manual rotation can also meet the requirements. In order to facilitate the adjustment of the distance between the two bag sorting plates 13 and the vertical baffle 26 and the telescopic baffle 27 to be equal to the width of the prefabricated bag, scales can be marked on the linear guide rails of the first positive and negative screw double slider module 35 for reference to the scale adjustment.

[0041] On the basis of the above implementation, it also includes a power roller 11, a first motor 10, an unpowered bag pressing wheel group and a fourth cylinder 14. The power roller 11 is arranged between the ends of the two roller chain rings 4 of the bag sorting mechanism 5 and the transition plate 38. The top surface of the power roller 11 is parallel to the plane where the two roller chain rings 4 are located and on the same plane. The transition plate 38 is close to and parallel to the top surface of the power roller 11. The transition plate 38 can be parallel to the top surface of the power roller 11 and on the same plane, or the transition plate 38 is slightly lower than the top surface of the power roller 11. For example, if the pressure is less than 1-10 mm, the axial direction of the power roller 11 is parallel to the supporting rod 3 of the bag sorting mechanism 5, and the first motor 10 drives the power roller 11 to rotate to drive the pre-made bag to move to the transition plate at the rear; the unpowered bag pressing wheel group is composed of two coaxially arranged rubber rollers 15, and the axial direction of the rollers is parallel to the axial direction of the power roller 11. The unpowered bag pressing wheel group is located directly above the top surface of the power roller, and the unpowered bag pressing wheel group is driven up and down by the fourth cylinder 14 to make the roller press against or away from the top surface 38 of the power roller. By controlling the rotation direction and start and stop time of the first motor 10, and controlling the extension and contraction of the fourth cylinder, the distance of the power roller 11 rolling to convey the pre-made bag is controlled, and the roller is pressed down to position, so as to control the pre-made bag to reach the upper position of the transition plate 38, and then the unpowered bag pressing wheel group is controlled to move up to release the pre-made bag, and the manipulator for the next process is opened at the specified position to take away the corresponding pre-made bag, which effectively improves efficiency. The device also includes a control unit, which controls each cylinder, motor and other execution units according to a program to facilitate automatic control.

[0042] The specific process of the prior art excluding the power roller 11, the first motor 10, the unpowered bag pressing wheel and the fourth cylinder 14 is as follows: the bag sorting mechanism 5 lifts the single prefabricated bag 22 sucked up by the bag suction mechanism 21 into a horizontal state and is completely independent of the stack of prefabricated bags below. The single prefabricated bag 22 is on a tray laid flat by a number of support rods 3 of the bag sorting mechanism 5, and as the tray moves backward and the inertia allows the prefabricated bag to move to the transition plate 38, then the bag sorting mechanism 5 pauses for a specified time each time it lifts up a prefabricated bag to allow the next process to expand and take away the prefabricated bag, and then repeats the above action to lift up the next prefabricated bag.

[0043] The present invention includes a power roller 11, a first motor 10, a non-powered bag pressing wheel group and a fourth cylinder 14. The specific implementation process is as follows: the bag sorting mechanism 5 lifts the single prefabricated bag 22 sucked up by the bag suction mechanism 21 to a horizontal state and is completely independent of the stack of prefabricated bags below. Under the guidance of the bag sorting plate 13, the single prefabricated bag 22 can be flatly located in the middle of the tray laid flat by the plurality of support rods 3 of the bag sorting mechanism 5, and as the tray moves backward to the power roller 11, the prefabricated bag can be rolled under the rolling action of the power roller 11. When the prefabricated bag is detected to have reached the set position of the transition plate 38, the power roller 11 is controlled to pause, and the fourth cylinder 14 is controlled to drive the non-powered bag pressing wheel group to press down, so that the prefabricated bag stops moving at the set position of the transition plate 38, which is conducive to the operation of the manipulator of the next process at the specified position, and the corresponding prefabricated bag is opened more accurately and effectively, so that the next process can open and take away the prefabricated bag faster and more smoothly, and the bag sorting mechanism 5 can repeat the above actions faster to hold up the next prefabricated bag, thereby improving efficiency. Thus, the problem that the prefabricated bag moves to the transition plate 38 by inertia, the speed is slow, the position is uncontrollable, and the packaging speed and operation efficiency are affected is solved. The present invention improves the moving efficiency and control effect of the prefabricated bag by combining the rolling point contact mode of the power roller 11 and the rubber roller 15 of the non-powered bag pressing wheel group. The rubber roller 15 has good elasticity and wear resistance, and can also reduce the damage and deformation of the prefabricated bag when the prefabricated bag is pressed and positioned, meeting the high requirements of modern production lines for efficiency, precision and flexibility.

[0044] Based on the above implementation, the lower side of the bag sorting plate 13 is close to the upper surface of the tray, and soft bristles 12 are arranged vertically downward or inclined to both sides on the lower side of the bag sorting plate 13, and the soft bristles 12 can contact the upper surface of the tray.

[0045] The present invention provides a stable supporting surface for the prefabricated bag through the contact between the soft bristles 12 and the upper surface of the pallet, and helps to adjust the bag to the center position of the pallet through the elastic effect of the bristles. The soft bristles 12 are made of soft material and can reduce friction and wear on the pallet when in contact with the upper surface of the pallet, thereby achieving the goal of limiting the bag to the center position of the pallet and reducing damage to the pallet.

[0046] Although the embodiments of the present invention have been disclosed above, they are not limited to the applications listed in the specification and the embodiments. They can be applied to various fields suitable for the present invention. For those familiar with the art, additional modifications can be easily realized.

Claims

1. A bag preparation and supply device with improved applicability, characterized in that: It comprises a bag preparation mechanism and a bag sorting mechanism, wherein the bag sorting part of the bag sorting mechanism is located above the bag preparation mechanism; The bag preparation mechanism has a hollow bin bottom for placing stacks of prefabricated bags; A second positive and negative threaded screw double slider module is arranged in the hollow warehouse bottom, and baffles are respectively arranged on the double sliders of the second positive and negative threaded screw double slider module; The prefabricated bag transport channel of the bag sorting mechanism is provided with a first positive and negative threaded screw double slider module spanning the transport channel, and two bag sorting plates are provided on the double sliders of the first positive and negative threaded screw double slider module; A linkage mechanism is arranged between the first positive and negative thread screw double slider module and the second positive and negative thread screw double slider module. When the distance between the double sliders of the first positive and negative thread screw double slider module is adjusted to adapt to the width of the prefabricated bag, the distance between the double sliders of the second positive and negative thread screw double slider module will also be adjusted accordingly to achieve adaptation to prefabricated bags of different widths.

2. The bag preparation and supply device with improved applicability as claimed in claim 1, characterized in that: The first positive and negative thread screw double slider module includes a first positive and negative thread screw, two sliders, a linear guide rail, and two first support seats; the two first support seats are fixed on both sides of the frame, and the two ends of the first positive and negative thread screw are rotatably arranged on the two first support seats through bearings, the first positive and negative thread screw is parallel to the support rod of the bag sorting mechanism, and the first positive and negative thread screw is perpendicular to the bag sorting plate, and the two sliders are respectively threaded on the positive and negative thread segments of the first positive and negative thread screw, and can slide along the linear guide rail, thereby driving the two bag sorting plates on the two sliders to be relatively close or away.

3. The bag preparation and supply device with improved applicability as claimed in claim 2, characterized in that: The bag preparation mechanism includes a square bag preparation bin and a moving mechanism. The bin bottom of the bag preparation bin is horizontally laid out at intervals by a plurality of square rods to form a hollow bin bottom. The length direction of the plurality of square rods is parallel to the length direction of the first positive and negative threaded screws. The moving mechanism includes a moving frame and a second cylinder. The moving frame is slidably arranged on the bin bottom. The moving frame is driven by the second cylinder to slide along the length direction of the square rods to push a stack of prefabricated bags on the bin bottom into the bottom of the bag suction mechanism.

4. The bag preparation and supply device with improved applicability as claimed in claim 3, characterized in that: It also includes two guide rails, which are located below the hollowed-out portions of the plurality of square rods and are parallel to the plurality of square rods. The lower end of the mobile frame is provided with wheels matching the two guide rails.

5. The bag preparation and supply device with improved applicability as claimed in claim 4, characterized in that: The second positive and negative threaded screw double slider module includes a second positive and negative threaded screw, a first slider, a second slider, a vertical baffle, a telescopic baffle, a third cylinder, a linear guide, and two second support seats; the two second support seats are fixedly arranged below the plurality of square rods, and the two ends of the second positive and negative threaded screw are rotatably arranged on the two second support seats through bearings, the second positive and negative threaded screw is parallel to the first positive and negative threaded screw, the first slider is close to one end of the bag preparation bin, the second slider is located in the middle of the bag preparation bin, the vertical baffle is arranged on the first slider, and the telescopic baffle is slidably passed through the The second slider is on the second slider, and the telescopic baffle is driven to move up and down by the third cylinder; when the upper end of the telescopic baffle moves upward and is higher than the bottom of the warehouse, a stack of premade bags on the bottom of the warehouse can be limited between the telescopic baffle and the vertical baffle; the first slider and the second slider are respectively threaded on the positive and negative thread segments of the second positive and negative thread screw, and can slide along the linear guide rail, thereby driving the vertical baffle and the telescopic baffle to be relatively close or away, so that the stack of premade bags located between the telescopic baffle and the vertical baffle corresponds to the position between the two bag sorting plates on the bag sorting mechanism.

6. The bag preparation and supply device with improved applicability as claimed in claim 5, characterized in that: The vertical baffle comprises two or more plate bodies, the telescopic baffle comprises two or more plate bodies, the vertical baffle, the telescopic baffle, the bag sorting plate and the movable frame are parallel to each other; the lower ends of the two or more plate bodies of the telescopic baffle are fixedly connected to the same horizontal plate, the third cylinder is arranged between the horizontal plate and the second sliding block, and the piston end of the third cylinder is connected to the horizontal plate to drive the two or more plate bodies of the telescopic baffle to move up and down.

7. The bag preparation and supply device with improved applicability according to any one of claims 1 to 6, characterized in that: The linkage mechanism includes a first gear, a second gear and a chain ring. The first gear is coaxially arranged at one end of the first forward and reverse screw, and the second gear is coaxially arranged at one end of the second forward and reverse screw. The first gear and the second gear have the same specifications. The chain ring is wound between the first gear and the second gear for synchronous rotation.

8. The bag preparation and supply device with improved applicability as claimed in claim 7, characterized in that: It also includes a power roller, a first motor, an unpowered bag pressing wheel group and a fourth cylinder. The power roller is arranged between the ends of the two roller chain circles of the bag sorting mechanism and the transition plate. The top surface of the power roller is parallel to the plane where the two roller chain circles are located and on the same plane. The transition plate is close to and parallel to the top surface of the power roller. The axial direction of the power roller is parallel to the support rod of the bag sorting mechanism. The power roller is driven to rotate by the first motor to drive the prefabricated bags to move toward the transition plate at the rear. The unpowered bag pressing wheel group is composed of two coaxially arranged rubber rollers, and the axial direction of the rollers is parallel to the axial direction of the power roller. The unpowered bag pressing wheel group is located directly above the top surface of the power roller. The unpowered bag pressing wheel group is driven up and down by the fourth cylinder to press the rollers against or away from the top surface of the power roller.

9. The bag preparation and supply device with improved applicability as claimed in claim 8, characterized in that: The lower side of the bag sorting plate is close to the upper surface of the tray, and soft brush bristles are arranged on the lower side of the bag sorting plate vertically downward or inclined to both sides, and the soft brush bristles can contact with the upper surface of the tray.

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