Packaging bag taking and opening device

Abstract

The utility model discloses a packaging bag taking and opening device which comprises a machine frame, the machine frame is composed of a bottom frame and an upper frame, a packaging bag inlet and a packaging bag outlet are formed in the upper frame, a finished packaging bag is clamped into the machine frame through a bag pushing mechanism, a suction cup bag taking mechanism and a bag dragging clamp, then bag product correction is conducted, and therefore the packaging bag taking and opening device is simple in structure and convenient to use. The upper bag opening air cylinder and the lower bag opening air cylinder are started, the suction cups oppositely move up and down to be folded, the suction cups suck the outer side of the packaging bag, after suction is completed, the upper bag opening suction cup ascends, the lower bag opening suction cup is fixed, and bag opening operation can be achieved, so that automatic packaging operation is achieved through the automatic device structure, and the labor productivity is improved. After the packaging bags are opened, raw materials can be filled through the feeding mechanism to adapt to packaging automation, meanwhile, the packaging bags filled with the raw materials are clamped, lifted and conveyed to the finished product conveying mechanism through the mechanical arm mechanism to complete the packaging procedure, and the production efficiency is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to food packaging technical field, especially a kind of packaging bag taking bag opening bag device. BACKGROUND

[0002] With the improvement of people's environmental protection consciousness and material culture level, most of the daily necessities and food consumed by people on the market at present are mainly packaged using paper bags. The traditional automatic food packaging assembly line uses manual packaging food mode; the existing bag making device produces paper packaging bag and the like, which forms a folded plane structure. When workers manually fill goods, the plane structure needs to be manually unfolded into a three-dimensional cylindrical packaging bag structure, which not only has low work efficiency, but also requires high skill level of workers, and often causes the packaging bag to be cracked and damaged, resulting in the need to replace new packaging bags, which is time-consuming and laborious, and cannot guarantee hygiene and safety.

[0003] Therefore, the prior art needs to be improved and enhanced. SUMMARY

[0004] In view of the above shortcomings of the prior art, the utility model aims to provide a packaging bag taking bag opening bag device, which aims to solve the problems of easy damage of packaging bag and low efficiency when the traditional food packaging assembly line uses manual unpacking method.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A packaging bag taking bag opening bag device, comprising a rack, the rack is composed of a bottom frame and an upper frame, a packaging bag inlet and a packaging bag outlet are arranged on the upper frame, and the device further comprises:

[0007] A bag pushing mechanism is arranged on the bottom frame and located outside the packaging bag inlet;

[0008] A suction cup bag taking mechanism is arranged at the packaging bag inlet;

[0009] A bag pulling clamp is arranged in the upper frame and reciprocally moves towards the packaging bag inlet direction;

[0010] A bag product correcting mechanism is arranged at the bottom of the upper frame;

[0011] An upper bag opening cylinder is arranged at the upper end of the packaging bag outlet, and a connecting plate is fixed to the output end, a plurality of upper bag opening suction cups are arranged on the connecting plate at intervals;

[0012] A lower bag opening cylinder is arranged at the lower end of the packaging bag outlet, corresponding to the position of the upper bag opening cylinder, and a connecting rod is fixed to the output end, a plurality of lower bag opening suction cups are arranged on the connecting rod at intervals;

[0013] A feeding mechanism is arranged on one side of the bottom frame located at the packaging bag outlet;

[0014] The robotic arm mechanism is located on the outside of the upper frame packaging bag outlet;

[0015] The finished product conveying mechanism is located on the side of the feeding mechanism away from the frame.

[0016] Furthermore, the base frame is equipped with a storage platform, and the storage platform has a moving groove. The bag pushing mechanism includes:

[0017] A bag-pushing cylinder is located at the bottom of the storage platform, and its output end is connected to a cylinder push rod. The push rod extends or retracts along the direction of the moving groove.

[0018] The movable plate is mounted on the cylinder push rod;

[0019] Multiple pusher plates are spaced apart on the movable plate and extend through the movable groove to the top of the storage platform.

[0020] Furthermore, the suction cup bag-grabbing mechanism includes:

[0021] The bag-taking cylinder is fixed to the upper end of the packaging bag inlet by a fixed plate bracket, and the output end is equipped with a C-shaped frame;

[0022] A crossbar is rotatably connected to the tail end of the C-shaped frame, and multiple bag-removing suction cups are spaced apart on the crossbar, with a limiting plate on each bag-removing suction cup;

[0023] Multiple buffer limit heads are spaced out on the crossbar;

[0024] The tilting cylinder is located inside the fixed plate bracket and tilted at a 30° angle to the vertical direction. Its output end is rotatably connected to the crossbar.

[0025] Furthermore, the tote bag clip includes:

[0026] An electric slide rail is installed inside the upper frame and is arranged along its length in the direction of the packaging bag inlet, and an electric slider is connected to the electric slide rail.

[0027] The bag holder is mounted on the electric slider;

[0028] Multiple electric clamps are spaced apart on the bag fixing frame and arranged at a 60° angle to the horizontal direction.

[0029] Furthermore, the bag calibration mechanism includes:

[0030] Multiple upper bag platform plates are spaced apart at the bottom of the upper frame, with gaps between each pair. Two slots are opened on two of the upper bag platform plates.

[0031] The calibration electric cylinder is symmetrically arranged in the upper frame along the length of the upper bag platform plate and located on the lower side of the upper bag platform plate, and the output end is connected to the calibration rod.

[0032] A plurality of correction claws are arranged on the correction rod at intervals and extend through the gap to the upper end of the bag platform plate.

[0033] A correction motor is arranged on one side of the bag platform plate with the notch, and the output end is connected with a rotating rod which is rotatably connected to the lower end of the bag platform plate with the notch, and two bag feeding wheels are arranged on the rotating rod.

[0034] An upper correction cylinder is arranged in the upper frame, and the output end is arranged towards the bag platform plate, and the output end is rotatably connected with two bag pressing wheels through a concave plate, and the bag pressing wheels are arranged in a staggered manner with the bag feeding wheels in the horizontal direction.

[0035] Further, the feeding mechanism comprises:

[0036] A raw material conveying table is arranged on one side of the chassis at the outlet of the packaging bag, and the raw material is conveyed through the conveyor belt;

[0037] A pushing slide rail is arranged at the end of the raw material conveying table and is connected with a pushing slide block;

[0038] A pushing rod is connected to the pushing slide block, and a pushing plate is arranged at the end of the pushing rod, and the pushing plate is arranged towards the outlet of the packaging bag;

[0039] A lifting cylinder is arranged on one side of the raw material conveying table towards the rack, and the output end is connected with a lifting platform plate;

[0040] Two pushing limiting groove plates are symmetrically arranged on the upper end of the lifting platform plate, and one end of the pushing limiting groove plate is connected with the lifting platform plate through a rotating pin.

[0041] Further, the mechanical arm mechanism comprises:

[0042] Two bearing bases are arranged at intervals on the outer side of the upper frame and above the outlet of the packaging bag;

[0043] A mechanical arm driving motor is connected with a rotating main shaft through a shaft coupling, and the rotating main shaft is rotatably connected to the two bearing bases;

[0044] A bag picking large arm is connected to the rotating main shaft, and a large arm hydraulic cylinder is arranged on the bag picking large arm;

[0045] A small arm connecting rod is rotatably connected to the bag picking large arm and is connected to the output end of the large arm hydraulic cylinder;

[0046] A bag picking small arm is connected to the small arm connecting rod;

[0047] A mechanical claw is arranged on the small arm connecting rod.

[0048] Further, the mechanical arm mechanism further comprises:

[0049] Two transmission frames are spaced apart on the outside of the upper frame and located above the packaging bag outlet. A lead screw is rotatably connected inside the transmission frame.

[0050] The drive motor is mounted on the transmission frame and connected to the lead screw;

[0051] The mobile platform is connected to the lead screw and snapped into the transmission frame, and a bearing base is connected to the upper end of the mobile platform.

[0052] Furthermore, the finished product conveying mechanism includes a support frame on which a conveyor belt is mounted.

[0053] The technical solution adopted in this utility model has the following beneficial effects:

[0054] In this application, the finished packaging bag is clamped into the frame by a bag pushing mechanism, a suction cup bag picking mechanism, and a bag dragging clamp. Then, the bag is corrected, and the upper and lower bag opening cylinders are activated to move the suction cups vertically and horizontally to close them, so that the suction cups adhere to the outside of the packaging bag. After the suction is completed, the upper bag opening suction cup rises, while the lower bag opening suction cup remains stationary, thus realizing the bag opening operation. This automated device structure enables automated packaging operation and improves labor productivity. In addition, after the packaging bag is opened, raw materials can be filled through the feeding mechanism to adapt to the automated packaging. At the same time, the packaged bag filled with raw materials is clamped and lifted by the robotic arm mechanism and sent to the finished product conveying mechanism to complete the packaging process, further improving production efficiency. Attached Figure Description

[0055] Figure 1 This utility model provides a structural schematic diagram of a packaging bag dispensing and opening device;

[0056] Figure 2 A schematic diagram of the bag-pushing mechanism of a bag-removing and opening device for packaging bags provided by this utility model;

[0057] Figure 3 A schematic diagram of the suction cup bag-removing mechanism of a packaging bag removal and opening device provided by this utility model;

[0058] Figure 4 A schematic diagram of the bag clamp structure of a packaging bag taking and opening device provided by this utility model;

[0059] Figure 5 A schematic diagram of the bag correction mechanism of a packaging bag taking and opening device provided by this utility model;

[0060] Figure 6 A cross-sectional structural diagram of a bag correction mechanism for a packaging bag taking and opening device provided by this utility model;

[0061] Figure 7The utility model provides a kind of bag opening device's suction cup bag opening part structure schematic view of packaging bag taking bag of the utility model provides;

[0062] Figure 8 The utility model provides a kind of bag opening device's partial structure schematic view of packaging bag taking bag of the utility model provides;

[0063] Figure 9 The utility model provides a kind of bag opening device's mechanical arm mechanism structure schematic view of packaging bag taking bag of the utility model provides;

[0064] Figure 10 The utility model provides a kind of bag opening device's upper mechanism structure schematic view of packaging bag taking bag of the utility model provides;

[0065] Figure 11 The utility model provides a kind of bag opening device's finished product conveying mechanism structure schematic view of packaging bag taking bag of the utility model provides.

[0066] 1, rack;101, undercarriage;102, upper frame;103, packaging bag inlet;104, packaging bag outlet;105, storage platform;106, moving groove;2, bag pushing mechanism;201, bag pushing cylinder;202, cylinder push rod;203, moving plate;204, bag pushing plate;3, suction cup bag taking mechanism;301, bag taking cylinder;302, fixed plate support;303, C-shaped frame;304, cross bar;305, bag taking suction cup;306, limit plate;307, buffer limit head;308, turnover cylinder;4, bag dragging clamp;401, electric sliding rail;402, electric sliding block;403, bag dragging fixed frame;404, electric clamp;5, bag product correction mechanism;501, upper bag platform plate;502, gap;503, notch;504, correction cylinder;505, correction rod;506, correction claw;507, correction motor;508, rotating rod;509, bag feeding wheel;510, upper correction cylinder;511, concave plate;512, bag pressing wheel;601, upper bag opening cylinder;602, connecting plate;603, upper bag opening suction cup;604, lower bag opening cylinder;605, connecting rod;606, lower bag opening suction cup;7, upper mechanism;701, raw material conveying table;702, conveying belt;703, material pushing sliding rail;704, material pushing sliding block;705, material pushing rod;706, material pushing plate;707, lifting cylinder;708, lifting platform plate;709, material pushing limit groove plate;710, rotating pin;8, mechanical arm mechanism;801, bearing base;802, mechanical arm driving motor;803, coupling;804, rotating main shaft;805, bag picking large arm;806, large arm hydraulic cylinder;807, small arm connecting rod;808, bag picking small arm;809, mechanical claw;810, transmission frame;811, lead screw;812, driving motor;813, moving platform;9, finished product conveying mechanism;901, support frame;902, conveying belt. DETAILED DESCRIPTION

[0067] To make the purpose, technical scheme and effect of the utility model more clear and definite, the utility model will be explained in further detail below with reference to the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model and not to limit the utility model.

[0068] A packaging bag taking and opening device, as shown in Figure 1 and Figure 7 , specifically comprises a rack 1 composed of a bottom frame 101 and an upper frame 102, a packaging bag inlet 103 and a packaging bag outlet 104 are arranged on the upper frame 102, a bag pushing mechanism 2 is arranged on the bottom frame 101 and located outside the packaging bag inlet 103, a suction cup bag taking mechanism 3 is arranged at the packaging bag inlet 103, a bag dragging clamp 4 is arranged in the upper frame 102 and reciprocally moves towards the packaging bag inlet 103, a bag product correcting mechanism 5 is arranged at the bottom of the upper frame 102, an upper bag opening cylinder 601 is arranged at the upper end of the packaging bag outlet 104, and a connecting plate 602 is fixed to the output end of the upper bag opening cylinder 601, a plurality of upper bag opening suction cups 603 are arranged on the connecting plate 602 at intervals, a lower bag opening cylinder 604 is arranged at the lower end of the packaging bag outlet 104 and corresponds to the position of the upper bag opening cylinder 601, and a connecting rod 605 is fixed to the output end of the lower bag opening cylinder 604, a plurality of lower bag opening suction cups 606 are arranged on the connecting rod 605 at intervals, a feeding mechanism 7 is arranged on one side of the bottom frame 101 located at the packaging bag outlet 104, a mechanical arm mechanism 8 is arranged outside the packaging bag outlet 104 of the upper frame 102, and a finished product conveying mechanism 9 is arranged on the side of the feeding mechanism 7 away from the rack 1.

[0069] In the present application, the finished product packaging bag is clamped into the rack 1 by the bag pushing mechanism 2, the suction cup bag taking mechanism 3 and the bag dragging clamp 4, and then the bag product is corrected, and then the upper bag opening cylinder 601 and the lower bag opening cylinder 604 are started to move the suction cups upward and downward to close, so that the suction cups suck the outer side of the packaging bag, after the adsorption is completed, the upper bag opening suction cups 603 rise and the lower bag opening suction cups 606 are fixed, so that the bag opening operation can be realized, so that the automatic device structure realizes the automatic packaging operation and improves the labor productivity, in addition, after the packaging bag is opened, the raw material can be filled by the feeding mechanism 7 to adapt to the automatic packaging, at the same time, the packaging bag filled with raw material is clamped and lifted by the mechanical arm mechanism 8 and sent to the finished product conveying mechanism 9 to complete the packaging process, and the production efficiency is further improved.

[0070] In addition, the device of the present application is mainly used for hard finished product packaging bags such as paper bags.

[0071] In the present embodiment, as shown in Figure 1 and Figure 2As shown, the bottom frame 101 is provided with a storage platform 105, and the storage platform 105 is provided with a moving groove 106. The bag pushing mechanism 2 is composed of a bag pushing cylinder 201, a moving plate 203 and a plurality of bag pushing plates 204. The bag pushing cylinder 201 is arranged at the bottom of the storage platform 105, and the output end is connected with a cylinder pushing rod 202. The pushing rod extends or retracts along the direction of the moving groove 106. The moving plate 203 is arranged on the cylinder pushing rod 202. The plurality of bag pushing plates 204 are arranged on the moving plate 203 in a spaced manner, and extend to the upper side of the storage platform 105 through the moving groove 106.

[0072] The paper bag pushing function is realized by the bag pushing plate 204. The paper bag is laid on the moving plate 203, and the opening is directed to the left side of the machine. The pushing rod extends or retracts along the direction of the moving groove 106 by the driving of the bag pushing cylinder 201, so as to push the moving plate 203 to translate, realize the movement of the bag pushing plate 204, and further realize the function of pushing the paper bag. The extension height of the bag pushing plate 204 can be adaptively adjusted according to the number of packaging bags to be placed.

[0073] In the embodiment, as shown in Figure 1 and Figure 3 , the suction cup bag taking mechanism 3 includes a bag taking cylinder 301. The bag taking cylinder 301 is fixed to the upper end of the packaging bag inlet 103 through a fixed plate support 302, and the output end is provided with a C-shaped frame 303. A cross rod 304 is rotationally connected to the tail end of the C-shaped frame 303, and a plurality of bag taking suction cups 305 are arranged on the cross rod 304 in a spaced manner. Each bag taking suction cup 305 is provided with a limiting plate 306. A plurality of buffer limiting heads 307 are arranged on the cross rod 304 in a spaced manner. A turnover cylinder 308 is arranged on the inner side of the fixed plate support 302 and is inclined at an angle of 30° with the vertical direction. The output end is rotationally connected to the cross rod 304.

[0074] In the embodiment, as shown in Figure 1 and Figure 4 , the bag dragging clamp 4 is composed of an electric sliding rail 401, a bag dragging fixed frame 403 and a plurality of electric clamps 404. The electric sliding rail 401 is arranged in the upper frame 102 and is arranged in length towards the packaging bag inlet 103. The electric sliding rail 401 is connected with an electric sliding block 402. The bag dragging fixed frame 403 is arranged on the electric sliding block 402. The plurality of electric clamps 404 are arranged on the bag dragging fixed frame 403 in a spaced manner and are arranged at an angle of 60° with the horizontal direction.

[0075] When taking the bag, first drive the C-shaped frame 303 downward by the bag taking cylinder 301, so that the bag taking suction cup 305 is pressed to the packaging bag to form negative pressure adsorption, then pull the C-shaped frame 303 upward to lift the packaging bag, and then extend or retract the push rod driven by the turnover cylinder 308, so that the horizontal rod 304 rotates around the tail end connection of the C-shaped frame 303 as the center to adjust the angle of lifting the packaging bag; at this time, the electric sliding block 402 moves outward along the electric sliding rail 401, drives the bag dragging fixing frame 403 to move forward to the inlet, and the electric clamp 404 starts to clamp the packaging bag to realize clamping and dragging the bag and supporting and conveying to the specified position.

[0076] Among them, the electric sliding rail 401, the electric sliding block 402 and the electric clamp 404 are common device structures on the current market, and there is no special treatment.

[0077] In the embodiment, as shown in Figure 1 , Figure 5 and Figure 6 , the bag product correction mechanism 5 includes a plurality of bag placing platform plates 501, which are arranged at intervals on the bottom of the upper frame 102, and gaps 502 are arranged between each two of the plurality of bag placing platform plates 501, wherein two notches 503 are formed on each of the two bag placing platform plates 501; a correction cylinder 504 is arranged symmetrically in the length direction of the bag placing platform plate 501 in the upper frame 102 and located below the bag placing platform plate 501, and a correction rod 505 is connected to the output end of the correction cylinder 504; a plurality of correction claws 506 are arranged at intervals on the correction rod 505 and extend to the upper end of the bag placing platform plate 501 through the gaps 502; a correction motor 507 is arranged on one side of the bag placing platform plate 501 with notches 503, and a rotating rod 508 is connected to the output end of the correction motor 507, the rotating rod 508 is rotatably connected to the lower end of the bag placing platform plate 501 with notches 503, and two bag conveying wheels 509 are arranged on the rotating rod 508; an upper correction cylinder 510 is arranged in the upper frame 102, and the output end is arranged towards the bag placing platform plate 501, and two bag pressing wheels 512 are rotatably connected to the output end of the upper correction cylinder 510 through a recessed plate 511, and the bag pressing wheels 512 are arranged in a staggered manner with the bag conveying wheels 509 in the horizontal direction.

[0078] Since the whole packaging bag is in an inclined bagging during the bag grabbing process, after the electric clamp 404 is loosened, the packaging bag will fall on the platform formed by the bagging platform plate 501, and there will inevitably be an inclined deviation and other situations. At this time, the correction electric cylinder 504 can be started, the correction rod 505 is pulled back inward, and the multiple correction claws 506 can be moved from both sides of the packaging bag to the middle position of the platform to ensure the alignment of the bag in the middle. After the bag is centered, the upper correction electric cylinder 510 is started, the bag pressing wheel 512 is pressed down to press the packaging bag, the correction motor 507 is started, the bag conveying wheel 509 is rotated to drive the bag to move in the outlet direction, so that the bag opening moves to the bag opening suction cup, and automatic correction is realized. The bag pressing wheel 512 and the bag conveying wheel 509 are arranged in a staggered manner in the horizontal direction, which can avoid the damage of the bag caused by the failure of the bag conveying wheel 509.

[0079] During the bag conveying process, the suction cup is in an open state, and when the bag opening reaches the suction cup position, the upper bag opening suction cup 603 and the lower bag opening suction cup 606 are closed together, and after the suction is completed, the upper suction cup is raised and the lower suction cup is fixed to realize the bag opening operation.

[0080] In the embodiment, as shown in Figure 1 , Figure 8 and Figure 10 , the feeding mechanism 7 includes a raw material conveying table 701, which is arranged on one side of the bottom frame 101 located at the packaging bag outlet 104 and conveys raw materials through a conveying belt 702; a pushing slide rail 703 is arranged at the end of the raw material conveying table 701 and is connected with a pushing slide block 704; a pushing rod 705 is connected to the pushing slide block 704, and a pushing plate 706 is arranged at the end thereof, and the pushing plate 706 is arranged towards the packaging bag outlet 104; a lifting cylinder 707 is arranged on the side of the raw material conveying table 701 towards the rack 1, and the output end is connected with a lifting platform plate 708; two pushing limiting slot plates 709 are symmetrically arranged on the upper end of the lifting platform plate 708, and one end of the pushing limiting slot plate 709 is connected with the lifting platform plate 708 through a rotating pin 710.

[0081] After the bag opening work is completed, the loading work can be performed, the conveying belt 702 conveys the raw materials to the bag opening direction, the pushing block 704 moves along the pushing rail 703, the pushing rod 705 is driven to move to the bag opening, and because there are raw materials on the conveying belt 702 at this time, the pushing plate 706 can push the raw materials to move into the bag. At this time, the lifting cylinder 707 pushes the lifting platform plate 708 to rise and align with the bag opening, and then the pushing plate 706 moves under the pushing of the pushing block 704, and the goods are pushed into the bag. The lifting platform plate 708 above is designed as a double-door, which is composed of a pushing limiting groove plate 709. On the one hand, it prevents the goods from missing during the pushing process, and on the other hand, it can support the bag opening. After the pushing work is completed, the lifting platform plate 708 will be lowered to restore to the original position. In addition, the rotating pin 710 is loaded with a spring, so that the pushing limiting groove plate 709 can be automatically closed after being opened, so as to prevent the bag from being damaged due to the scratching of the pushing limiting groove plate 709.

[0082] Among them, the pushing block 704 and the pushing rail 703 can be moved in an electric manner or by a cylinder driving manner, both of which adopt conventional slide rails and slide blocks in the prior art, and the pushing plate 706 can be adaptively adjusted according to actual needs.

[0083] In this embodiment, as shown in Figure 1 , Figure 8 and Figure 9 , the mechanical arm mechanism 8 comprises two bearing bases 801, which are spaced apart on the outside of the upper frame 102 and located above the packaging bag outlet 104; the output end of the mechanical arm driving motor 802 is connected with a rotating main shaft 804 through a shaft coupling 803, and the rotating main shaft 804 is rotatably connected to the two bearing bases 801; a bag picking large arm 805 is connected to the rotating main shaft 804, and a large arm hydraulic cylinder 806 is arranged on the bag picking large arm 805; a small arm connecting rod 807 is rotatably connected to the bag picking large arm 805 and connected to the output end of the large arm hydraulic cylinder 806; a bag picking small arm 808 is connected to the small arm connecting rod 807; and a mechanical claw 809 is arranged on the small arm connecting rod 807.

[0084] Specifically, the mechanical arm mechanism 8 further comprises two transmission frames 810, which are spaced apart on the outside of the upper frame 102 and located above the packaging bag outlet 104, and a lead screw 811 is rotatably connected in the transmission frame 810; a driving motor 812 is arranged on the transmission frame 810 and connected to the lead screw 811; a moving platform 813 is connected to the lead screw 811 and clamped in the transmission frame 810, and the upper end of the moving platform 813 is connected with the bearing base 801.

[0085] After the mechanical claw 809 clamps the bag opening, the large arm hydraulic cylinder 806 drives the bag picking small arm 808 to rotate 90 degrees, so that the bag is in a vertical state, then the mechanical arm driving motor 802 starts, drives the bag picking large arm 805 to lift up, during which the bag picking small arm 808 remains horizontal, the mechanical arm lifts the low end of the bag to the same level as the finished product conveying mechanism 9, that is, stops, realizes finished product conveying, when the finished product is too far away from the conveying mechanism, the lead screw 811 can be driven by the driving motor 812 to rotate, so that the bearing base 801 of the mechanical arm as a whole moves forward, so that the finished product can be placed in the designated position.

[0086] In the embodiment, as shown in Figure 1 and Figure 11 The finished product conveying mechanism 9 comprises a support frame 901, and the support frame 901 is provided with a conveying belt 902.

[0087] In the embodiment, the suction cups used in the device are all pneumatic suction cups commonly used in the prior art, the suction force of the pneumatic suction cup is derived from the air pump, the suction cup adopts a strong air suction pump to form negative pressure between the surface of the paper bag and the suction cup, and then the upper and lower air pumps of the bag opener are used to pull the suction cup frame to move horizontally, so that the paper bag opening is opened, wherein the minimum distance between the two suction cups is 118mm, and the maximum distance is 300mm, so the opening width of the paper bag can be 118-600mm.

[0088] The utility model discloses through the device structure combination of multiple, realizes the automatic operation of packaging, improves the labor productivity, in addition, after opening the packaging bag, still can through the feeding mechanism 7 and fill raw material, to adapt to the automatic packaging, simultaneously, the packaging bag of filling raw material is taken by the mechanical arm mechanism 8 and promotes to be sent to the finished product conveying mechanism 9 and completes the packaging process, further improves the production efficiency.

[0089] And along with the continuous development of automatic packaging equipment, packaging production gradually tends to commercialization, socialization and internationalization, and large enterprises, small and medium-sized enterprises basically complete packaging automation. The automatic paper bag packaging equipment not only can liberate people from heavy physical labor, part of mental labor and harsh and dangerous working environment, but also can improve labor productivity.

[0090] Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the aspects disclosed herein. The present application is intended to cover any variations, uses or adaptations of this application including departures from the present disclosure that come within the scope of the application. The specification and examples given herein are to be considered illustrative and not restrictive.

Claims

1. A bag taking and opening apparatus for a packaging bag, comprising a frame (1) composed of a lower frame (101) and an upper frame (102), characterized in that, The upper frame (102) is provided with a packaging bag inlet (103) and a packaging bag outlet (104), and the packaging bag taking and opening device further comprises: A bag pushing mechanism (2) is arranged on the bottom frame (101) and located outside the packaging bag inlet (103); A suction cup bag taking mechanism (3) is arranged at the packaging bag inlet (103); A bag dragging clamp (4) is arranged in the upper frame (102) and reciprocally moves towards the packaging bag inlet (103); A bag product correcting mechanism (5) is arranged at the bottom of the upper frame (102); An upper bag opening cylinder (601) is arranged at the upper end of the packaging bag outlet (104), and a connecting plate (602) is fixed to the output end of the upper bag opening cylinder (601), and a plurality of upper bag opening suction cups (603) are arranged on the connecting plate (602) at intervals; A lower bag opening cylinder (604) is arranged at the lower end of the packaging bag outlet (104) and corresponds to the position of the upper bag opening cylinder (601), and a connecting rod (605) is fixed to the output end of the lower bag opening cylinder (604), and a plurality of lower bag opening suction cups (606) are arranged on the connecting rod (605) at intervals; An upper feeding mechanism (7) is arranged on one side of the bottom frame (101) located at the packaging bag outlet (104); A mechanical arm mechanism (8) is arranged outside the packaging bag outlet (104) of the upper frame (102); A finished product conveying mechanism (9) is arranged on one side of the upper feeding mechanism (7) away from the rack (1).

2. The bag opening apparatus according to claim 1, wherein The bottom frame (101) is provided with a placing platform (105), and a moving groove (106) is formed in the placing platform (105), and the bag pushing mechanism (2) comprises: A bag pushing cylinder (201) is arranged at the bottom of the placing platform (105), and a cylinder pushing rod (202) is connected to the output end of the bag pushing cylinder (201), and the pushing rod extends or retracts along the direction of the moving groove (106); A moving plate (203) is arranged on the cylinder pushing rod (202); A plurality of bag pushing plates (204) are arranged on the moving plate (203) at intervals and extend upwards above the placing platform (105) through the moving groove (106).

3. The bag opening apparatus according to claim 1, wherein The suction cup bag taking mechanism (3) comprises: A bag taking cylinder (301) is fixed to the upper end of the packaging bag inlet (103) through a fixed plate support (302), and a C-shaped frame (303) is arranged at the output end of the bag taking cylinder (301); A cross rod (304) is rotatably connected to the tail end of the C-shaped frame (303), and a plurality of bag taking suction cups (305) are arranged on the cross rod (304) at intervals, and a limiting plate (306) is arranged on each bag taking suction cup (305); A plurality of buffer limiting heads (307) are arranged on the cross rod (304) at intervals; A turnover cylinder (308) is arranged on the inner side of the fixed plate support (302) and is inclined at an angle of 30° with the vertical direction, and the output end is rotatably connected to the cross rod (304).

4. The bag opening apparatus according to claim 1, wherein The bag dragging clamp (4) comprises: An electric sliding rail (401) is arranged in the upper frame (102) and is arranged in length towards the packaging bag inlet (103), and an electric sliding block (402) is connected to the electric sliding rail (401); A bag dragging fixed frame (403) is arranged on the electric sliding block (402); A plurality of electric clamps (404) are arranged on the bag dragging fixed frame (403) at intervals and are arranged at an angle of 60° with the horizontal direction.

5. The bag opening apparatus according to claim 1, wherein The bag product correcting mechanism (5) comprises: A plurality of upper bag platform plates (501) are arranged at intervals at the bottom of the upper frame (102), and gaps (502) are arranged between two upper bag platform plates (501), wherein two notches (503) are formed in two upper bag platform plates (501); A correction cylinder (504) is arranged symmetrically along the length direction of the upper bag platform plate (501) in the upper frame (102) and located below the upper bag platform plate (501), and the output end is connected with a correction rod (505); A plurality of correction claws (506) are arranged at intervals on the correction rod (505) and extend to the upper end of the upper bag platform plate (501) through the gap (502); A correction motor (507) is arranged on one side of the upper bag platform plate (501) with notches (503), and the output end is connected with a rotating rod (508), which is rotatably connected to the lower end of the upper bag platform plate (501) with notches (503), and the rotating rod (508) is provided with two bag conveying wheels (509), and the partial arc surface of the bag conveying wheel (509) protrudes outward from the notch (503); An upper correction cylinder (510) is arranged in the upper frame (102), and the output end is arranged towards the upper bag platform plate (501), and the output end is rotatably connected with two bag pressing wheels (512) through a concave plate (511), and the bag pressing wheels (512) are arranged in a staggered manner along the horizontal direction with the bag conveying wheels (509).

6. The bag opening apparatus according to claim 1, wherein The upper feeding mechanism (7) comprises: A raw material conveying table (701) is arranged on one side of the bottom frame (101) at the packaging bag outlet (104) and conveys raw materials through a conveying belt (702); A pushing slide rail (703) is arranged at the end of the raw material conveying table (701) and is connected with a pushing slide block (704); A pushing rod (705) is connected to the pushing slide block (704), and a pushing plate (706) is arranged at the end of the pushing rod (705), and the pushing plate (706) is arranged towards the packaging bag outlet (104); A lifting cylinder (707) is arranged on one side of the raw material conveying table (701) towards the rack (1), and the output end is connected with a lifting platform plate (708); Two pushing limiting groove plates (709) are symmetrically arranged on the upper end of the lifting platform plate (708), and one end of the pushing limiting groove plate (709) is connected with the lifting platform plate (708) through a rotating pin (710).

7. The bag opening apparatus according to claim 1, wherein The mechanical arm mechanism (8) comprises: Two bearing bases (801) are arranged at intervals on the outer side of the upper frame (102) and above the packaging bag outlet (104); A mechanical arm driving motor (802) is connected with a rotating main shaft (804) through a shaft coupling (803), and the rotating main shaft (804) is rotatably connected to the two bearing bases (801); A bag picking large arm (805) is connected to the rotating main shaft (804), and a large arm hydraulic cylinder (806) is arranged on the bag picking large arm (805); A small arm connecting rod (807) is rotatably connected to the bag picking large arm (805) and connected to the output end of the large arm hydraulic cylinder (806); A bag picking small arm (808) is connected to the small arm connecting rod (807); A mechanical claw (809) is arranged on the small arm connecting rod (807).

8. The bag opening apparatus according to claim 7, wherein The mechanical arm mechanism (8) further comprises: Two transmission frames (810) are arranged at the outer side of the upper frame (102) and above the packaging bag outlet (104), and a lead screw (811) is rotatably connected in the transmission frame (810); A driving motor (812) is arranged on the transmission frame (810) and connected to the lead screw (811); A moving platform (813) is connected to the lead screw (811) and clamped in the transmission frame (810), and the upper end of the moving platform (813) is connected with a bearing base (801).

9. The bag opening apparatus of claim 1, wherein The finished product conveying mechanism (9) comprises a support frame (901), and the support frame (901) is provided with a conveying belt (902).

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