A packaging equipment

Abstract

This invention discloses a packaging device that uses an automatic bag feeding device to transport packaging bags one by one to a main conveyor. The packaging bags are conveyed sequentially by the main conveyor, passing through an opening and filling station and a bag sorting and sealing station. When a packaging bag reaches the opening and filling station, the automatic opening device first opens the bag, and then the automatic filling device pushes the product from the product conveyor line into the opened bag. When the packaging bag reaches the bag sorting and sealing station, the automatic bag sorting and sealing device first neatly arranges the opening of the bag before sealing it, thus completing the automatic packaging process. This device has the advantages of simple and compact structure, small footprint, high efficiency, and low failure rate.

Description

Technical Field

[0001] This invention relates to the field of packaging equipment technology, and specifically to a packaging device. Background Technology

[0002] Our company has developed an automatic packaging machine with an automatic bag opening and folding mechanism. For specific technical details, please refer to the Chinese invention patent application publication document, publication number CN118047104A. It has the following disadvantages: (1) The whole machine is relatively large and occupies a large area; (2) The gusseted bag opening and bag feeding structure is too complicated and bulky. To this end, our company organized R&D personnel to study and develop an automatic packaging machine with a simpler, more compact structure and smaller footprint. Summary of the Invention

[0003] To address the shortcomings of existing packaging equipment mentioned above, such as large footprint and overly complex structure, the technical solution adopted by this invention is as follows: A packaging equipment, comprising: a main conveying device, and sequentially arranged along the conveying direction of the main conveying device: a bag feeding station, a bag opening and filling station, and a bag sorting and sealing station. The bag feeding station is equipped with an automatic bag feeding device for conveying packaging bags one by one onto the main conveying device. The bag opening and filling station is equipped with an automatic bag opening device for opening the packaging bags conveyed on the main conveying device and an automatic bag filling device for filling the opened packaging bags. The bag sorting and sealing station is equipped with an automatic bag sorting and sealing device for automatically sealing the finished bagged packaging bags after tidying them up.

[0004] As described above, the automatic bag feeding device includes: a bag feeding frame, a hopper for temporarily storing packaging bags, and a sequential picking mechanism for taking out packaging bags one by one from the hopper and transferring them to the main conveyor. The hopper is located on the bag feeding frame and directly above the main conveyor. The bottom of the hopper has an output port for packaging bags to pass through. The sequential picking mechanism includes: a lifting seat, a flipping frame, and a lifting drive assembly. The lifting seat is slidably connected to the bag feeding frame. The lifting drive assembly is located on the bag feeding frame to drive the lifting seat to move up and down relative to the bag feeding frame. A flipping shaft is rotatably connected to the lifting seat. The flipping frame is connected to the flipping shaft. The flipping frame has a first adsorption component for adsorbing packaging bags. A reversing guide mechanism is provided between the flipping shaft and the bag feeding frame to guide the flipping shaft to rotate when the lifting seat moves from top to bottom, thereby causing the first adsorption component on the flipping frame to flip from an upward state to a downward state.

[0005] As described above, in a packaging device, the reversing guide mechanism includes a guide block and a crank handle. The crank handle is connected to a flip shaft and can rotate with the flip shaft. The crank handle has a first sliding groove. The guide block is pivotally connected to a bag feeding frame. The guide block has a second sliding groove in which the flip shaft can slide smoothly. The second sliding groove includes an upper vertical section, an arc-shaped guide section, and a lower vertical section that are connected in sequence. The guide block has a sliding column that can slide within the first sliding groove. When the flip shaft moves from top to bottom with the lifting seat, the flip shaft can slide along the upper vertical section, the arc-shaped guide section, and the lower vertical section. When the flip shaft moves to the arc-shaped guide section, the flip shaft can drive the guide block to swing relative to the bag feeding frame. At the same time, the sliding column and the first sliding groove on the crank handle work together to drive the flip shaft to rotate.

[0006] In the packaging equipment described above, the center lines of the upper vertical section, the lower vertical section, and the sliding column are collinear, and the center line of the first sliding groove intersects the axis of the flipping shaft.

[0007] As described above, in a packaging device, the hopper includes a left baffle, a right baffle, a front baffle, and a rear baffle. A storage space for temporarily storing packaging bags is provided between the left baffle, right baffle, front baffle, and rear baffle. The bottom of the storage space is provided with a support edge for supporting the edges of the packaging bags.

[0008] As described above, in a packaging device, a guide rod is provided on the bag feeding frame, and the left and right baffles are slidably connected to the guide rod. The bag feeding frame is provided with a spacing adjustment component for adjusting the distance between the left and right baffles. The spacing adjustment component includes: a lead screw rotatably connected to the bag feeding frame, a handle for driving the lead screw to rotate, a first nut meshing with the lead screw, and a second nut meshing with the lead screw. The first nut is connected to the left baffle, and the second nut is connected to the right baffle.

[0009] As described above, the lifting drive assembly of the packaging equipment includes a first rack, a first gear, a second rack, and a second gear. The first rack and the second rack are both connected to the lifting base. The first gear is rotatably connected to the bag feeding frame and meshes with the first rack and the second gear. The second gear is rotatably connected to the bag feeding frame and meshes with the second rack and the first gear. The lifting base is equipped with a lifting motor that drives the second rack to rotate, thereby raising and lowering the lifting base.

[0010] As described above, the automatic bag opening device includes: a second adsorption component for adsorbing the lower side of the packaging bag, a third adsorption component for adsorbing the upper side of the packaging bag, a bag opening mechanism for driving the third adsorption component to move upward to separate the second adsorption component and the third adsorption component, and a bag pressing mechanism for pressing the edge of the lower side of the packaging bag.

[0011] As described above, the bag-pressing mechanism of the packaging equipment includes a connecting seat, a lifting sliding seat, a horizontal sliding seat, and a pressing hook. The lifting sliding seat is slidably connected to the connecting seat in a vertical direction, the horizontal sliding seat is slidably connected to the lifting sliding seat in a horizontal direction, the pressing hook is connected to the horizontal sliding seat, a guide block is connected to the connecting seat, the guide block is provided with a guide groove, the horizontal sliding seat is provided with a guide post that can move along the guide groove, and the connecting seat is provided with a bag-pressing drive mechanism that drives the lifting sliding seat to move up and down and drives the horizontal sliding seat to move in a horizontal direction.

[0012] As described above, in a packaging device, the guide groove comprises: a first guide section, a transition guide section, and a second guide section that are connected in sequence, wherein the center lines of the first guide section and the second guide section are staggered.

[0013] As described above, the bag-pressing drive mechanism of the packaging equipment includes a third rack, a third gear, and a bag-pressing motor. The third rack is connected to a lifting sliding seat, the bag-pressing motor is connected to a connecting seat, and the third gear is connected to the rotating shaft of the bag-pressing motor. The third gear and the third rack mesh with each other.

[0014] As described above, the automatic bagging device includes: a bagging frame, wherein the bagging frame is provided with a pusher block for pushing the conveyed product into the opened packaging bag, and the bagging frame is provided with a pusher drive mechanism for driving the pusher block to move.

[0015] As described above, the packaging equipment includes a push drive mechanism comprising a first pulley, a second pulley, a belt, and a push motor. The first pulley and the second pulley are rotatably connected to the bagging machine frame. The belt is wound between the first pulley and the second pulley. A linkage block is provided between the belt and the push block. The push motor drives the first pulley to rotate, thereby driving the push block to move.

[0016] As described above, the automatic bag-sorting and sealing device includes an automatic bag-sorting mechanism and an automatic sealing mechanism. The automatic bag-sorting mechanism includes a bag-sorting frame, a bag-sorting base, an upper left support rod, a lower left support rod, an upper right support rod, and a lower right support rod. The bag-sorting base is provided with a bag-sorting drive mechanism for driving the upper left support rod, the lower left support rod, the upper right support rod, and the lower right support rod to move left, right, up, and down. The bag-sorting base is also provided with a left inner folding rod, a right inner folding rod, and a bag-folding drive mechanism for driving the left inner folding rod and the right inner folding rod to move left and right. The bag-sorting base is slidably connected to the bag-sorting frame in the horizontal direction. The bag-sorting frame is provided with a horizontal driver for driving the bag-sorting base to slide in the horizontal direction.

[0017] In the packaging equipment described above, the bag-sorting base is slidably connected with a first sliding seat and a second sliding seat in a horizontal direction. The left inner folding rod is disposed on the first sliding seat, and the right inner folding rod is disposed on the second sliding seat. A first linkage mechanism is provided between the first sliding seat and the second sliding seat to enable the first sliding seat and the second sliding seat to move synchronously towards each other or away from each other. The first linkage mechanism includes: a first linkage rack, a second linkage rack, and a first linkage gear. The first linkage rack is connected to the first sliding seat, and the second linkage rack is connected to the second sliding seat. The first linkage gear meshes with both the first linkage rack and the second linkage rack. The bag-folding drive mechanism is a first linkage motor disposed on the bag-sorting base that drives the first linkage gear to rotate, thereby driving the left inner folding rod and the right inner folding rod to move synchronously towards each other or away from each other.

[0018] As described above, in a packaging device, the bag-collecting base is slidably connected to a third sliding seat and a fourth sliding seat in a horizontal direction. A second linkage mechanism is provided between the third and fourth sliding seats to enable them to move synchronously towards each other or away from each other. The second linkage mechanism includes a third linkage rack, a fourth linkage rack, and a second linkage gear. The third linkage rack is connected to the third sliding seat, the fourth linkage rack is connected to the fourth sliding seat, and the second linkage gear meshes with both the third and fourth linkage racks. The bag-sorting drive mechanism includes: a second linkage motor mounted on the bag-sorting base for driving the second linkage gear to rotate, thereby driving the third sliding seat and the fourth sliding seat to move synchronously towards each other or away from each other; the third sliding seat is slidably connected to the upper left lifting slider and the lower left lifting slider in the vertical direction, and a third linkage mechanism is provided between the upper left lifting slider and the lower left lifting slider to keep the upper left lifting slider and the lower left lifting slider moving synchronously towards each other or away from each other; the upper left top support rod is connected to the upper left lifting slider, and the lower left top support rod is connected to the lower left lifting slider; The fourth sliding seat is slidably connected to an upper right lifting slider and a lower right lifting slider in the vertical direction. A fourth linkage mechanism is provided between the upper right lifting slider and the lower right lifting slider to keep them moving synchronously towards each other or away from each other. The upper right top support rod is connected to the upper right lifting slider, and the lower right top support rod is connected to the lower right lifting slider. The bag-sorting drive mechanism includes a linkage drive mechanism that drives the upper left lifting slider or the lower left lifting slider to move up and down and drives the upper right lifting slider or the lower right lifting slider to move.

[0019] As described above, the linkage drive mechanism of the packaging equipment includes: a lifting transition seat, a left connecting block, a right connecting block, and a lifting driver for driving the lifting transition seat to move up and down. The lifting transition seat is slidably connected to the bag sorting base in the vertical direction. The left connecting block and the right connecting block are slidably connected to the lifting transition seat in the horizontal direction. The upper end of the left connecting block is connected to the lower left lifting slider, and the upper end of the right connecting block is connected to the lower right lifting slider. The lifting driver is connected to the bag sorting base to drive the lifting transition seat to move up and down.

[0020] As described above, the automatic sealing mechanism of the packaging equipment includes: a sealing frame, an upper sealing sliding seat, a lower sealing sliding seat, an upper bag pressing assembly, a lower bag pressing assembly used in conjunction with the upper bag pressing assembly, an upper heating block, and a lower heating block used in conjunction with the upper heating block. The upper and lower sealing sliding seats are slidably connected to the sealing frame in a vertical direction. A fifth linkage mechanism is provided between the upper and lower sealing sliding seats to keep them moving synchronously towards each other or away from each other. The sealing frame is provided with a sealing driver that drives the upper or lower sealing sliding seat to rise and fall. The upper bag pressing assembly is connected to the upper part of the sealing frame, the lower bag pressing assembly is connected to the lower part of the sealing frame, the upper heating block is connected to the upper sealing sliding seat, and the lower heating block is connected to the lower sealing sliding seat.

[0021] As described above, in a packaging device, the upper pressing bag assembly includes: an upper pressing cylinder disposed on a sealing frame and an upper pressing block connected to the upper pressing cylinder; the lower pressing bag assembly includes: a lower pressing cylinder disposed on a sealing frame and a lower pressing block connected to the lower pressing cylinder.

[0022] As described above, the automatic sealing mechanism of the packaging equipment further includes a sealing frame, wherein the sealing frame is slidably connected to the sealing frame in a vertical direction, and the sealing frame is provided with a height adjustment component for adjusting the height of the sealing frame relative to the sealing frame.

[0023] As described above, the main conveying device of the packaging equipment includes: a conveying frame and a conveyor belt connected to the conveying frame. The conveying frame is provided with a negative pressure adsorption device that cooperates with the conveyor belt. The conveyor belt is provided with a plurality of adsorption holes that cooperate with the negative pressure adsorption device to adsorb the packaging bag onto the conveyor belt.

[0024] The beneficial effects of this invention are:

[0025] 1. This invention uses an automatic bag feeding device to transport packaging bags one by one to the main conveyor. The packaging bags are conveyed by the main conveyor and pass through the bag opening and filling station and the bag sorting and sealing station in sequence. When the packaging bag reaches the bag opening and filling station, the automatic bag opening device first opens the packaging bag, and then the automatic bag filling device pushes the product conveyed from the product conveyor line into the opened packaging bag. When the packaging bag reaches the bag sorting and sealing station, the automatic bag sorting and sealing device first tidies up the opening of the packaging bag and then seals it, thus completing the automatic packaging. It has the advantages of simple and compact structure, small footprint, high working efficiency and low failure rate.

[0026] 2. When using the automatic bag feeding device, the neatly stacked packaging bags are first placed in the hopper. Initially, the first adsorption component on the tilting frame faces upward and adsorbs the packaging bag at the bottom of the hopper. Then, the lifting drive component drives the lifting seat to move downward. During the downward movement of the lifting seat, the tilting shaft rotates 180° under the guidance of the reversing guide mechanism. This ensures that when the lifting seat reaches its lowest position, the first adsorption component faces downward, at which point the first adsorption component releases its adsorption, and the packaging bag falls onto the main conveyor. This cycle repeats. Only one power source is needed to drive the tilting frame to lift and tilt, which has the advantages of simple structure, low cost, and easy maintenance.

[0027] 3. When the automatic bag opening device is in use, the second adsorption component adsorbs the lower side of the packaging bag, and the third adsorption component adsorbs the upper side of the packaging bag. The bag opening mechanism moves upward to separate the second and third adsorption components, thereby opening the packaging bag. The bag pressing mechanism presses down on the middle position of the lower edge of the packaging bag to prevent the product from lifting the edge of the packaging bag when the automatic bag filling device pushes the product into the packaging bag, thus preventing the bag filling from failing.

[0028] 4. When the bag pressing mechanism is in use, the bag pressing drive mechanism drives the lifting sliding seat to move downward. At the same time, the horizontal sliding seat moves along the horizontal direction, so that the pressing hook moves downward and towards the edge of the packaging bag until the pressing hook presses the edge of the bag. Only one power is needed to drive the pressing hook to perform two-way movements. It has the advantages of simple structure, low cost and easy maintenance. Attached Figure Description

[0029] Figure 1 This is a schematic diagram of the structure of the high-efficiency packaging equipment of the present invention;

[0030] Figure 2 This is a top view schematic diagram of the high-efficiency packaging equipment of the present invention;

[0031] Figure 3 This is one of the structural schematic diagrams of the automatic bag feeding device in the high-efficiency packaging equipment of the present invention;

[0032] Figure 4 This is a second schematic diagram of the automatic bag feeding device in the high-efficiency packaging equipment of the present invention;

[0033] Figure 5 This is a schematic diagram of the process by which the flipping shaft flips under the action of the reversing guide mechanism during the process of the lifting seat moving from top to bottom in the automatic bag feeding device of the present invention.

[0034] Figure 6 This is a schematic diagram of the automatic bag opening device and the automatic bag filling device in this invention;

[0035] Figure 7 This is one of the structural schematic diagrams of the bag pressing mechanism in the automatic bag opening device of the present invention;

[0036] Figure 8 This is the second schematic diagram of the bag pressing mechanism in the automatic bag opening device of the present invention;

[0037] Figure 9 This is a schematic diagram of the automatic bagging device in this invention pushing the delivered products.

[0038] Figure 10 This is a schematic diagram of the automatic bagging device in this invention;

[0039] Figure 11 This is a schematic diagram of the automatic bag sealing device of the present invention;

[0040] Figure 12 This is a schematic diagram of the automatic bag sorting mechanism in the automatic bag sorting and sealing device of the present invention;

[0041] Figure 13 This is a structural schematic diagram of the automatic bag sorting mechanism (hidden components) in the automatic bag sorting and sealing device of the present invention;

[0042] Figure 14 This is a schematic diagram of the automatic sealing mechanism in the automatic bag sealing device of the present invention;

[0043] Figure 15 This is a schematic diagram illustrating the working principle of the automatic bag sorting mechanism in this invention;

[0044] Figure 16 This is a schematic diagram of the main conveying device in the automatic bag sealing device of the present invention. Detailed Implementation

[0045] The embodiments of the present invention will now be described in detail with reference to the accompanying drawings.

[0046] like Figures 1 to 16As shown, a packaging device in this embodiment includes: a main conveying device 1, and along the conveying direction of the main conveying device 1 are arranged the following in sequence: a bag feeding station 101, a bag opening and bag filling station 102, and a bag sorting and sealing station 103. The bag feeding station 101 is provided with an automatic bag feeding device 2 for conveying packaging bags 800 one by one to the main conveying device 1. The bag opening and bag filling station 102 is provided with an automatic bag opening device 3 for opening the packaging bags 800 conveyed on the main conveying device 1 and an automatic bag filling device 4 for filling the opened packaging bags 800. The bag sorting and sealing station 103 is provided with an automatic bag sorting and sealing device 5 for automatically sealing the packaged packaging bags 800 after tidying them up. This invention uses an automatic bag feeding device to transport packaging bags 800 one by one to the main conveyor device 1. The packaging bags are conveyed by the main conveyor device and pass through the bag opening and bag filling station and the bag sorting and sealing station in sequence. When the packaging bag reaches the bag opening and bag filling station, the automatic bag opening device first opens the packaging bag, and then the automatic bag filling device pushes the product conveyed from the product conveyor line into the opened packaging bag 800. When the packaging bag reaches the bag sorting and sealing station, the automatic bag sorting and sealing device first tidies up the opening of the packaging bag and then seals it, thus completing the automatic packaging. It has the advantages of simple and compact structure, small footprint, high working efficiency and low failure rate.

[0047] The automatic bag feeding device is used to transport neatly stacked packaging bags (in this embodiment, gusseted bags with one side sealed and the other side unsealed) one by one to the main conveyor line.

[0048] like Figures 3-5As shown, the automatic bag feeding device 2 includes: a bag feeding frame 21, a hopper 22 for temporarily storing packaging bags 800, and a sequential picking mechanism 23 for picking up packaging bags 800 one by one from the hopper 22 and transferring them to the main conveyor device 1. The hopper 22 is located on the bag feeding frame 21 and directly above the main conveyor device 1. The bottom of the hopper 22 has an output port through which packaging bags 800 can pass. The sequential picking mechanism 23 includes: a lifting seat 231, a tilting frame 232, and a lifting drive assembly 233. The lifting seat 231 is slidably connected to the bag feeding frame 21, and the lifting drive assembly 232 is... 3. A lifting seat 231 is set on the bag feeding frame 21 to drive the lifting seat 231 to move up and down relative to the bag feeding frame 21. A flipping shaft 234 is rotatably connected to the lifting seat 231. A flipping frame 232 is connected to the flipping shaft 234. A first adsorption component 235 (suction cup only in this embodiment) for adsorbing the packaging bag 800 is provided on the flipping frame 232. A reversing guide mechanism 236 is provided between the flipping shaft 234 and the bag feeding frame 21 to guide the flipping shaft 234 to rotate when the lifting seat 231 moves from top to bottom, so as to drive the first adsorption component 235 on the flipping frame 232 to flip from the upward state to the downward state. In operation, neatly stacked packaging bags are first placed in the hopper. Initially, the first adsorption component on the tilting frame faces upward and adsorbs the packaging bag at the bottom of the hopper. Then, the lifting drive component drives the lifting seat downward (also moving the tilting frame downward). During the downward movement of the lifting seat, the tilting shaft 234 rotates 180° under the guidance of the reversing guide mechanism 236 (the first adsorption component 235 on the tilting frame 232 also tilts along with the packaging bag). This ensures that when the lifting seat reaches its lowest position, the first adsorption component 235 faces downward, at which point the first adsorption component 235 releases its adsorption, and the packaging bag falls onto the main conveyor. This cycle repeats. Furthermore, only one power source (the lifting drive component 233) is needed to drive the lifting and tilting of the tilting frame, offering advantages such as simple structure, low cost, and easy maintenance.

[0049] In this embodiment, the reversing guide mechanism 236 includes: a guide block 2361 and a rocker arm 2362. The rocker arm 2362 is connected to the flip shaft 234 and can rotate with the flip shaft 234. The rocker arm 2362 is provided with a first sliding groove 23620. The guide block 2361 is pivotally connected to the bag feeding frame 21. The guide block 2361 is provided with a second sliding groove 23610 in which the flip shaft 234 can slide smoothly. In order to make the flip shaft 234 slide smoothly in the second sliding groove 23610, a rotating ring (similar to a bearing) is sleeved on the flip shaft 234 at the position where it contacts the second sliding groove 23610. The second sliding groove 23610 includes: an upper vertical section 23 connected in sequence. 6101, arc-shaped guide section 236102 and lower vertical section 236103, the guide block 2361 is provided with a sliding column 23611 that can slide in the first sliding groove 23620; when the flip shaft 234 moves from top to bottom with the lifting seat 231, the flip shaft 234 can slide along the upper vertical section 236101, arc-shaped guide section 236102 and lower vertical section 236103, and when the flip shaft 234 moves to the arc-shaped guide section 236102, the flip shaft 234 can drive the guide block 2361 to swing relative to the bag feeding frame 21, and at the same time, the sliding column 23611 and the first sliding groove 23620 on the rocker handle 2362 work together to drive the flip shaft 234 to rotate.

[0050] Now, in conjunction with the appendix Figure 3-5 The working principle of the reversing guide mechanism 236 is described below:

[0051] First, the lifting seat can only be raised and lowered in the vertical direction (it cannot move in the left or right direction), therefore the tilting shaft can also only be raised and lowered in the vertical direction. The tilting shaft and the tilting frame can rotate relative to the lifting seat.

[0052] Secondly, because the flipping shaft 234 can slide smoothly in the second slide groove 23610 on the guide block 2361, and the guide block 2361 is pivotally connected to the bag feeding frame 21, the guide block 2361 can swing relative to the bag feeding frame during the downward movement of the flipping shaft.

[0053] Third, the crank handle 2362 is connected to the flip shaft 234 and can rotate with the flip shaft 234. The crank handle 2362 is provided with a first sliding groove 23620, and the guide block 2361 is provided with a sliding column 23611 that can slide in the first sliding groove 23620. Therefore, when the flip shaft moves downward and passes through the arc-shaped guide section 236102, the sliding column 23611 and the first sliding groove 23620 on the crank handle 2362 work together to drive the crank handle 2362 to flip, thereby driving the flip shaft 234 to rotate, thereby driving the first adsorption component 235 on the flip frame 232 to flip from the upward state to the downward state.

[0054] In order to prevent the guide block 2361 from swinging relative to the bag feeding frame during the initial and final downward movements of the flipping shaft, in this embodiment, the center lines of the upper vertical section 236101, the lower vertical section 236103, and the sliding column 23611 are collinear, and the center line of the first slide groove 23620 intersects the axis of the flipping shaft 234.

[0055] In this embodiment, the hopper 22 includes a left baffle 221, a right baffle 222, a front stop 223, and a rear stop 224. A storage space 2202 for temporarily storing packaging bags 800 is provided between the left baffle 221, right baffle 222, front stop 223, and rear stop 224. The bottom of the storage space 2202 has a support edge 225 for supporting the edges of the packaging bags 800. The support edge 225 supports the edges of the packaging bags 800. Because the packaging bags are made of deformable plastic film, when the first adsorption component moves downwards, the packaging bags located at the bottom of the storage space 2202 can be pulled off from the support edge 225.

[0056] In this embodiment, in order to adjust the distance between the left baffle 221 and the right baffle 222 to accommodate more sizes of packaging bags, a guide rod 24 is provided on the bag feeding frame 21. The left baffle 221 and the right baffle 222 are slidably connected to the guide rod 24. The bag feeding frame 21 is provided with a distance adjustment component 25 for adjusting the distance between the left baffle 221 and the right baffle 222. The distance adjustment component 25 includes: a lead screw 251 rotatably connected to the bag feeding frame 21, a handle 252 for driving the lead screw 251 to rotate, a first nut 253 meshing with the lead screw 251, and a second nut 254 meshing with the lead screw 251. The first nut 253 is connected to the left baffle 221, and the second nut 254 is connected to the right baffle 222.

[0057] In this embodiment, the lifting drive assembly 233 includes: a first rack 2331, a first gear 2332, a second rack 2333, and a second gear 2334. Both the first rack 2331 and the second rack 2333 are connected to the lifting seat 231. The first gear 2332 is rotatably connected to the bag feeding frame 21 and meshes with both the first rack 2331 and the second gear 2334. The second gear 2334 is rotatably connected to the bag feeding frame 21 and meshes with both the second rack 2333 and the first gear 2332. The lifting seat 231 is equipped with a lifting motor 2335 that drives the second rack 2333 to rotate, thereby raising and lowering the lifting seat 231. This design allows for more stable lifting of the lifting seat.

[0058] like Figures 6-8As shown, in order to open the packaging bag that has moved to the bag opening and bagging station, the automatic bag opening device 3 includes: a second adsorption component 31 for adsorbing the lower side of the packaging bag 800, a third adsorption component 32 for adsorbing the upper side of the packaging bag 800, a bag opening mechanism 33 for driving the third adsorption component 32 upward to separate the second adsorption component 31 and the third adsorption component 32, and a bag pressing mechanism 34 for pressing the edge of the lower side of the packaging bag 800. In use, the second adsorption component 31 adsorbs the lower side of the packaging bag 800, the third adsorption component 32 adsorbs the upper side of the packaging bag 800, the bag opening mechanism 33 moves upward to separate the second adsorption component 31 and the third adsorption component 32, thereby opening the packaging bag; the bag pressing mechanism 34 presses the middle position of the edge of the lower side of the packaging bag 800 to prevent the product from lifting the edge of the packaging bag when the automatic bagging device pushes the product into the packaging bag, thus preventing bagging failure.

[0059] like Figure 7 and Figure 8 As shown, the bag-pressing mechanism 34 includes: a connecting seat 341, a lifting sliding seat 342, a horizontal sliding seat 343, and a pressing hook 344. The lifting sliding seat 342 is slidably connected to the connecting seat 341 in the vertical direction, and the horizontal sliding seat 343 is slidably connected to the lifting sliding seat 342 in the horizontal direction. The pressing hook 344 is connected to the horizontal sliding seat 343. A guide block 345 is connected to the connecting seat 341, and a guide groove 3450 is provided on the guide block 345. A guide post 3431 that can move along the guide groove 3450 is provided on the horizontal sliding seat 343. A bag-pressing drive mechanism 346 is provided on the connecting seat 341 to drive the lifting sliding seat 342 to move up and down and drive the horizontal sliding seat 343 to move in the horizontal direction. In use, the bag pressing drive mechanism 346 drives the lifting sliding seat 342 to move downward. At the same time, the horizontal sliding seat 343 moves along the horizontal direction, so that the pressing hook 344 moves downward and towards the edge of the packaging bag until the pressing hook 344 presses the edge of the bag. In addition, only one power (bag pressing drive mechanism 346) is needed to drive the pressing hook 344 to perform two-way movements. It has the advantages of simple structure, low cost and easy maintenance.

[0060] In this embodiment, the guide groove 3450 includes: a first guide section 34501, a transition guide section 34502, and a second guide section 34503 that are connected in sequence. The center lines of the first guide section 34501 and the second guide section 34503 are staggered from each other. The distance between the first guide section 34501 and the second guide section 34503 is the distance that the hook 344 moves in the horizontal direction.

[0061] In this embodiment, the bag pressing drive mechanism 346 includes: a third rack 3461, a third gear 3462, and a bag pressing motor 3463. The third rack 3461 is connected to the lifting sliding seat 342, the bag pressing motor 3463 is connected to the connecting seat 341, and the third gear 3462 is connected to the rotating shaft of the bag pressing motor 3463. The third gear 3462 and the third rack 3461 mesh with each other.

[0062] like Figure 6 , Figure 9 and Figure 10 As shown, the automatic bagging device 4 is used to push the products conveyed from the product conveyor line into the opened packaging bag 800. The automatic bagging device 4 includes: a bagging frame 41, on which a pusher block 42 is provided for pushing the conveyed products into the opened packaging bag 800, and on which a pusher drive mechanism 43 is provided for driving the pusher block 42 to move.

[0063] In this embodiment, the push drive mechanism 43 includes: a first pulley 431, a second pulley 432, a belt 433, and a push motor 434. The first pulley 431 and the second pulley 432 are rotatably connected to the bagging machine frame 41. The belt 433 is wound between the first pulley 431 and the second pulley 432. A linkage block 435 is provided between the belt 433 and the push block 42. The push motor 434 drives the first pulley 431 to rotate, thereby driving the push block 42 to move.

[0064] like Figures 11-15 As shown, the automatic bag sorting and sealing device 5 is used to neatly arrange the opening of the packaging bag and then seal it. The automatic bag sorting and sealing device 5 includes: an automatic bag sorting mechanism 51 and an automatic sealing mechanism 52. The automatic bag sorting mechanism 51 includes: a bag sorting frame 511, a bag sorting base 512, an upper left support rod 5131, a lower left support rod 5132, an upper right support rod 5133, and a lower right support rod 5134. The bag sorting base 512 is provided with a mechanism for driving the upper left support rod 5131, the lower left support rod 5132, and the lower right support rod 5134. The bag-sorting drive mechanism 516 allows the upper top support rod 5133 and the lower right top support rod 5134 to move left, right, up, and down. The bag-sorting base 512 is also provided with a left inner folding rod 517, a right inner folding rod 518, and a bag-folding drive mechanism 519 that drives the left inner folding rod 517 and the right inner folding rod 518 to move left and right. The bag-sorting base 512 is slidably connected to the bag-sorting frame 511 in the horizontal direction. The bag-sorting frame 511 is provided with a horizontal driver that drives the bag-sorting base 512 to slide in the horizontal direction.

[0065] Now, in conjunction with the appendix Figure 15A simplified explanation of the working principle of the automatic bag-sorting mechanism 51: First, the bag-sorting drive mechanism 516 adjusts the positions of the upper left support rod 5131, lower left support rod 5132, upper right support rod 5133, and lower right support rod 5134 so that they can extend into the packaging bag; Second, the horizontal driver drives the bag-sorting base 512 to move towards the packaging bag, causing the upper left support rod 5131, lower left support rod 5132, upper right support rod 5133, and lower right support rod 5134 to extend into the packaging bag; Third, the bag-sorting drive mechanism 516 adjusts the positions of the upper left support rod 5131, lower left support rod 5132, upper right support rod 5133, and lower right support rod 5134... The positions of 133 and the lower right support rod 5134 are used to open the four corners of the packaging bag (the upper left support rod 5131, lower left support rod 5132, upper right support rod 5133, and lower right support rod 5134 are roughly arranged in a rectangle); finally, the bag folding drive mechanism 519 drives the left inner folding rod 517 and the right inner folding rod 518 to fold the left and right sides of the packaging bag inward. At the same time, the upper left support rod 5131 and the lower left support rod 5132 retract each other, and the upper right support rod 5133 and the lower right support rod 5134 retract each other, thus completing the bag sorting process (arranging the opening of the packaging bag neatly and folding it properly).

[0066] In this embodiment, the left inner folding rod 517 and the right inner folding rod 518 only need to move horizontally left and right. The bag base 512 is slidably connected to a first sliding seat 5121 and a second sliding seat 5122 in the horizontal direction. The left inner folding rod 517 is disposed on the first sliding seat 5121, and the right inner folding rod 518 is disposed on the second sliding seat 5122. A first linkage mechanism 5125 is provided between the first sliding seat 5121 and the second sliding seat 5122 to keep the first sliding seat 5121 and the second sliding seat 5122 moving synchronously towards each other or away from each other. The first linkage mechanism 5125 includes: a first The system comprises a linkage rack 51251, a second linkage rack 51252, and a first linkage gear 51253. The first linkage rack 51251 is connected to the first sliding seat 5121, and the second linkage rack 51252 is connected to the second sliding seat 5122. The first linkage gear 51253 meshes with both the first linkage rack 51251 and the second linkage rack 51252. The folding bag drive mechanism 519 is a first linkage motor mounted on the bag base 512 that drives the first linkage gear 51253 to rotate, thereby driving the left inner folding rod 517 and the right inner folding rod 518 to move synchronously in opposite directions or away from each other. With this design, only one power source (the first linkage motor) is needed to drive the left inner folding rod 517 and the right inner folding rod 518 to move synchronously in opposite directions.

[0067] In this embodiment, the upper left support rod 5131, lower left support rod 5132, upper right support rod 5133, and lower right support rod 5134 all need to move left, right, up, and down. Therefore, the bag-collecting base 512 is slidably connected with a third sliding seat 5123 and a fourth sliding seat 5124 in the horizontal direction. The third sliding seat 5123 and the fourth sliding seat 5124 are positioned to allow them to move synchronously towards each other or away from each other. The second linkage mechanism 5126 comprises a third linkage rack 51261, a fourth linkage rack 51262, and a second linkage gear 51263. The third linkage rack 51261 is connected to a third sliding seat 5123, the fourth linkage rack 51262 is connected to a fourth sliding seat 5124, and the second linkage gear 51263 meshes with both the third linkage rack 51261 and the fourth linkage rack 51262. The bag-sorting drive mechanism 516 includes: a second linkage motor 5161 mounted on the bag-sorting base 512 for driving the second linkage gear 51263 to rotate, thereby driving the third sliding seat 5123 and the fourth sliding seat 5124 to move synchronously towards each other or away from each other; a left upper lifting slider 5141 and a left lower lifting slider 5142 are slidably connected on the third sliding seat 5123 in the vertical direction, and a third linkage mechanism 5143 is provided between the left upper lifting slider 5141 and the left lower lifting slider 5142 for keeping the left upper lifting slider 5141 and the left lower lifting slider 5142 to move synchronously towards each other or away from each other (the working principle of the third linkage mechanism is similar to that of the first linkage mechanism 5126, but there is no power source like the first linkage motor, which will not be described in detail in this application); the left upper top support rod 5131 is connected to the left upper lifting slider 5141, and the left lower top support rod 5132 is connected to the left lower lifting slider 5142. The fourth sliding seat 5124 is slidably connected to an upper right lifting slider 5144 and a lower right lifting slider 5145 along the vertical direction. A fourth linkage mechanism 5146 is provided between the upper right lifting slider 5144 and the lower right lifting slider 5145 to keep the upper right lifting slider 5144 and the lower right lifting slider 5145 moving synchronously towards each other or away from each other (the working principle of the fourth linkage mechanism is similar to that of the first linkage mechanism 5126, but there is no power source like the first linkage motor, which will not be described in detail in this application). The upper right top support rod 5133 is connected to the upper right lifting slider 5144, and the lower right top support rod 5134 is connected to the lower right lifting slider 5145. The bag-sorting drive mechanism 516 includes a linkage drive mechanism 5162 that drives the upper left lifting slider 5141 or the lower left lifting slider 5142 to move up and down and drives the upper right lifting slider 5144 or the lower right lifting slider 5145 to move.This design enables the upper left support rod 5131, lower left support rod 5132, upper right support rod 5133, and lower right support rod 5134 to move left, right, up, and down, and the structure is simple and easy to maintain.

[0068] In this embodiment, because there is a third linkage mechanism 5143 between the upper left lifting slider 5141 or the lower left lifting slider 5142, and a fourth linkage mechanism between the upper right lifting slider 5144 or the lower right lifting slider 5145, the linkage drive mechanism 5162 is used to drive the lower left lifting slider 5142 and the lower right lifting slider 5145 to rise and fall. The linkage drive mechanism 5162 includes: a lifting transition seat 51621, a left connecting block 51622, a right connecting block 51623, and a lifting driver 5162 that drives the lifting transition seat 51621 to rise and fall. 4. The lifting transition seat 51621 is slidably connected to the bag-collecting base 512 in the vertical direction. The left connecting block 51622 and the right connecting block 51623 are slidably connected to the lifting transition seat 51621 in the horizontal direction. The upper end of the left connecting block 51622 is connected to the lower left lifting slider 5142, and the upper end of the right connecting block 51623 is connected to the lower right lifting slider 5145. The lifting driver 51624 is connected to the bag-collecting base 512 to drive the lifting transition seat 51621 to rise and fall. The lifting driver 51624 can be a cylinder or the like. With the above design, the left connecting block 51622 can move horizontally with the lower left lifting slider 5142 and also drive the lower left lifting slider 5142 to rise and fall; the right connecting block can move horizontally with the lower right lifting slider and also drive the lower left lifting slider 5142 to rise and fall.

[0069] In this embodiment, the automatic sealing mechanism 52 is used to seal the packaging bag after the automatic bag sorting mechanism has neatly arranged the opening of the packaging bag. The automatic sealing mechanism 52 includes: a sealing frame 521, an upper sealing sliding seat 522, a lower sealing sliding seat 523, an upper bag pressing assembly 524, a lower bag pressing assembly 525 that cooperates with the upper bag pressing assembly 524, an upper heating block 526, and a lower heating block 527 that cooperates with the upper heating block 526. The upper sealing sliding seat 522 and the lower sealing sliding seat 523 are slidably connected to the sealing frame 521 in a vertical direction. A fifth linkage mechanism 528 is provided between the upper sealing sliding seat 522 and the lower sealing sliding seat 523 to keep them moving synchronously towards each other or away from each other. The sealing frame 521 is equipped with a sealing driver 529 that drives the upper sealing sliding seat 522 or the lower sealing sliding seat 523 to rise and fall. The upper pressure bag assembly 524 is connected to the upper part of the sealing frame 521, and the lower pressure bag assembly 525 is connected to the lower part of the sealing frame 521. The upper heat-pressing block 526 is connected to the upper sealing sliding seat 522, and the lower heat-pressing block 527 is connected to the lower sealing sliding seat 523. In use, the upper pressure bag assembly 524 and the lower pressure bag assembly 525 operate simultaneously to temporarily position the packaged bag with its opening arranged. Then, the sealing driver drives the upper and lower heat-pressing blocks to heat-seal the opening of the packaged bag, completing the sealing process.

[0070] In this embodiment, the upper pressing bag assembly 524 includes an upper pressing cylinder 5241 disposed on the sealing frame 521 and an upper pressing block 5242 connected to the upper pressing cylinder 5241; the lower pressing bag assembly 525 includes a lower pressing cylinder 5251 disposed on the sealing frame 521 and a lower pressing block 5252 connected to the lower pressing cylinder 5251.

[0071] To facilitate adjustment of the working height during sealing, the automatic sealing mechanism 52 also includes a sealing fixing frame 520, wherein the sealing frame 521 is slidably connected to the sealing fixing frame 520 in the vertical direction, and the sealing fixing frame 520 is provided with a height adjustment component 5201 for adjusting the height of the sealing frame 521 relative to the sealing fixing frame 520.

[0072] In this embodiment, the main conveying device 1 includes a conveying frame 11 and a conveyor belt 12 connected to the conveying frame 11. The conveying frame 11 is equipped with a negative pressure adsorption device 13 that cooperates with the conveyor belt 12. The conveyor belt 12 is equipped with a plurality of adsorption holes 121 that cooperate with the negative pressure adsorption device 13 to adsorb the packaging bag 800 onto the conveyor belt 12. The negative pressure adsorption device can adsorb the packaging bag onto the conveyor belt 12, avoiding misalignment and achieving precise conveying of the packaging bag.

[0073] The above examples are merely illustrative of the technical content of the present invention to facilitate easier understanding by the reader, but do not imply that the implementation of the present invention is limited to these examples. Any technical extensions or re-creations made based on the present invention are protected by the present invention. The scope of protection of the present invention is defined by the claims.

Claims

1. A packaging device, comprising: The main conveying device is characterized by having, in sequence along the conveying direction of the main conveying device, a bag feeding station, a bag opening and filling station, and a bag sorting and sealing station. The bag feeding station is equipped with an automatic bag feeding device for conveying packaging bags one by one onto the main conveying device. The bag opening and filling station is equipped with an automatic bag opening device for opening the packaging bags conveyed on the main conveying device and an automatic bag filling device for filling the opened packaging bags. The bag sorting and sealing station is equipped with an automatic bag sorting and sealing device for automatically sealing the packaged packaging bags after they have been sorted and filled. The automatic bag feeding device includes: a bag feeding frame, a hopper for temporarily storing packaging bags, and a sequential picking mechanism for taking out packaging bags one by one from the hopper and transferring them to the main conveyor. The hopper is located on the bag feeding frame and directly above the main conveyor. The bottom of the hopper has an output port for packaging bags to pass through. The sequential picking mechanism includes: a lifting seat, a flipping frame, and a lifting drive assembly. The lifting seat is slidably connected to the bag feeding frame. The lifting drive assembly is located on the bag feeding frame to drive the lifting seat to move up and down relative to the bag feeding frame. A flipping shaft is rotatably connected to the lifting seat. The flipping frame is connected to the flipping shaft. The flipping frame has a first adsorption component for adsorbing packaging bags. A reversing guide mechanism is provided between the flipping shaft and the bag feeding frame to guide the flipping shaft to rotate when the lifting seat moves from top to bottom, thereby causing the first adsorption component on the flipping frame to flip from an upward state to a downward state. The reversing guide mechanism includes a guide block and a crank handle. The crank handle is connected to the flip shaft and can rotate with the flip shaft. The crank handle is provided with a first sliding groove. The guide block is pivotally connected to the bag feeding frame. The guide block is provided with a second sliding groove in which the flip shaft can slide smoothly. The second sliding groove includes an upper vertical section, an arc-shaped guide section, and a lower vertical section that are connected in sequence. The guide block is provided with a sliding column that can slide in the first sliding groove. When the flip shaft moves from top to bottom with the lifting seat, the flip shaft can slide along the upper vertical section, the arc-shaped guide section, and the lower vertical section. When the flip shaft moves to the arc-shaped guide section, the flip shaft can drive the guide block to swing relative to the bag feeding frame. At the same time, the sliding column and the first sliding groove on the crank handle work together to drive the flip shaft to rotate. The center lines of the upper vertical section, the lower vertical section, and the sliding column are collinear. The center line of the first sliding groove intersects the axis of the flip shaft. The automatic bag opening device includes: a second adsorption component for adsorbing the lower side of the packaging bag, a third adsorption component for adsorbing the upper side of the packaging bag, a bag opening mechanism for driving the third adsorption component to move upward so that the second adsorption component and the third adsorption component separate, and a bag pressing mechanism for pressing the edge of the lower side of the packaging bag. The bag-pressing mechanism includes: a connecting seat, a lifting sliding seat, a horizontal sliding seat, and a pressing hook. The lifting sliding seat is slidably connected to the connecting seat in the vertical direction, and the horizontal sliding seat is slidably connected to the lifting sliding seat in the horizontal direction. The pressing hook is connected to the horizontal sliding seat. A guide block is connected to the connecting seat, and a guide groove is provided on the guide block. A guide post that can move along the guide groove is provided on the horizontal sliding seat. A bag-pressing drive mechanism is provided on the connecting seat to drive the lifting sliding seat up and down and drive the horizontal sliding seat to move in the horizontal direction. The guide groove includes: a first guide section, a transition guide section, and a second guide section that are connected in sequence. The center lines of the first guide section and the second guide section are staggered. The distance between the staggered first guide section and the second guide section is the distance the pressing hook moves in the horizontal direction.

2. The packaging equipment according to claim 1, characterized in that, The automatic bagging device includes: a bagging frame, wherein the bagging frame is provided with a pusher block for pushing the conveyed product into the opened packaging bag, and the bagging frame is provided with a pusher drive mechanism for driving the pusher block to move.

3. The packaging equipment according to claim 1, characterized in that, The automatic bag sorting and sealing device includes an automatic bag sorting mechanism and an automatic sealing mechanism. The automatic bag sorting mechanism includes a bag sorting frame, a bag sorting base, an upper left support rod, a lower left support rod, an upper right support rod, and a lower right support rod. The bag sorting base is provided with a bag sorting drive mechanism for driving the upper left support rod, the lower left support rod, the upper right support rod, and the lower right support rod to move left, right, up, and down. The bag sorting base is also provided with a left inner folding rod, a right inner folding rod, and a bag folding drive mechanism for driving the left inner folding rod and the right inner folding rod to move left and right. The bag sorting base is slidably connected to the bag sorting frame in the horizontal direction. The bag sorting frame is provided with a horizontal driver for driving the bag sorting base to slide in the horizontal direction.

4. The packaging equipment according to claim 3, characterized in that, The bag-collecting base is slidably connected to a first sliding seat and a second sliding seat in the horizontal direction. The left inner folding rod is disposed on the first sliding seat, and the right inner folding rod is disposed on the second sliding seat. A first linkage mechanism is provided between the first sliding seat and the second sliding seat to enable the first sliding seat and the second sliding seat to move synchronously towards each other or away from each other. The first linkage mechanism includes a first linkage rack, a second linkage rack, and a first linkage gear. The first linkage rack is connected to the first sliding seat, the second linkage rack is connected to the second sliding seat, and the first linkage gear meshes with both the first linkage rack and the second linkage rack. The bag-collecting driving mechanism is a first linkage motor disposed on the bag-collecting base that drives the first linkage gear to rotate, thereby driving the left inner folding rod and the right inner folding rod to move synchronously towards each other or away from each other.

5. The packaging equipment according to claim 4, characterized in that, The bag-sorting base is slidably connected to a third sliding seat and a fourth sliding seat in the horizontal direction. A second linkage mechanism is provided between the third and fourth sliding seats to keep them moving synchronously towards each other or away from each other. The second linkage mechanism includes a third linkage rack, a fourth linkage rack, and a second linkage gear. The third linkage rack is connected to the third sliding seat, and the fourth linkage rack is connected to the fourth sliding seat. The second linkage gear meshes with both the third and fourth linkage racks. The bag-sorting drive mechanism includes a second linkage motor mounted on the bag-sorting base to drive the second linkage gear to rotate, thereby driving the third and fourth sliding seats to move synchronously towards each other or away from each other. A left upper lifting slider and a left lower lifting slider are slidably connected to the third sliding seat in the vertical direction. A third linkage mechanism is provided between the left upper lifting slider and the left lower lifting slider to keep them moving synchronously towards each other or away from each other. The left upper support rod is connected to the left upper lifting slider, and the left lower support rod is connected to the left lower lifting slider. The fourth sliding seat is slidably connected to an upper right lifting slider and a lower right lifting slider in the vertical direction. A fourth linkage mechanism is provided between the upper right lifting slider and the lower right lifting slider to keep them moving synchronously towards each other or away from each other. The upper right top support rod is connected to the upper right lifting slider, and the lower right top support rod is connected to the lower right lifting slider. The bag-sorting drive mechanism includes a linkage drive mechanism that drives the upper left lifting slider or the lower left lifting slider to move up and down and drives the upper right lifting slider or the lower right lifting slider to move.

6. The packaging equipment according to claim 4, characterized in that, The automatic sealing mechanism includes: a sealing frame, an upper sealing sliding seat, a lower sealing sliding seat, an upper pressure bag assembly, a lower pressure bag assembly used in conjunction with the upper pressure bag assembly, an upper heating block, and a lower heating block used in conjunction with the upper heating block. The upper and lower sealing sliding seats are slidably connected to the sealing frame in a vertical direction. A fifth linkage mechanism is provided between the upper and lower sealing sliding seats to keep them moving synchronously towards each other or away from each other. The sealing frame is provided with a sealing driver that drives the upper or lower sealing sliding seat to rise and fall. The upper pressure bag assembly is connected to the upper part of the sealing frame, the lower pressure bag assembly is connected to the lower part of the sealing frame, the upper heating block is connected to the upper sealing sliding seat, and the lower heating block is connected to the lower sealing sliding seat.

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