Packing material feeding mechanism

Abstract

The utility model discloses a packing material feeding mechanism which comprises a supporting frame and a mounting frame, a first conveying line and a second conveying line are arranged on the supporting frame, the first conveying line is located above the second conveying line, and the input end and the output end of the second conveying line both extend out of the two ends of the first conveying line. The mounting frame stretches across the output end extending out of the second conveying line, a first transferring mechanism is movably arranged on the side, close to the first conveying line, of the mounting frame, a second transferring mechanism is movably arranged on the other side of the mounting frame, and the first transferring mechanism is used for transferring materials on the first conveying line. The second transferring mechanism is used for transferring materials on the second conveying line. The device has the advantages of being compact in structure and small in occupied area.

Description

Technical Field

[0001] The utility model relates to the technical field of food and drug packaging equipment, and particularly relates to a packaging material feeding mechanism. Background Art

[0002] The bottles and caps of cosmetics are generally produced separately and stacked in plastic frame pallets after production. However, in the subsequent feeding process, the bottles need to be first placed in the inkjet coding station for coding, and then placed in the bottle positioning slots on the conveyor line, while the caps are directly placed in the cap positioning slots on the conveyor line. The existing feeding method for cosmetics generally transports the bottles and caps respectively through two conveyor lines and then converges them into the corresponding positioning slots on the conveyor line. This feeding method requires two parallel conveyor lines and a transfer feeding mechanism to be separately arranged, resulting in a large floor area of the equipment and an insufficiently compact structural layout. Summary of the Utility Model

[0003] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide a packaging material feeding mechanism with a compact structure and a small floor area.

[0004] To solve the above technical problem, the utility model adopts the following technical solutions:

[0005] A packaging material feeding mechanism includes a support frame and a mounting frame. A first conveyor line and a second conveyor line are arranged on the support frame. The first conveyor line is located above the second conveyor line, and both the input end and the output end of the second conveyor line extend outside both ends of the first conveyor line. The mounting frame straddles the output end extending from the second conveyor line. A first transfer mechanism is movably arranged on one side of the mounting frame close to the first conveyor line, and a second transfer mechanism is movably arranged on the other side. The first transfer mechanism is used for transferring materials on the first conveyor line, and the second transfer mechanism is used for transferring materials on the second conveyor line.

[0006] As a further improvement of the above technical solution:

[0007] The first transfer mechanism includes multiple rows of transfer components and a single row of transfer components. The multiple rows of transfer components and the single row of transfer components are both slidably arranged on the mounting frame and can both be lifted relative to the mounting frame.

[0008] A first transverse guide rail is arranged on the mounting frame. A first sliding seat and a second sliding seat are slidably arranged on the first transverse guide rail. A first driving motor is arranged at one end of the mounting frame, and a second driving motor is arranged at the other end. The output ends of the first driving motor and the second driving motor are respectively connected to a first lead screw and a second lead screw. The first lead screw and the second lead screw are arranged in parallel and are both rotatably arranged on the mounting frame. The first sliding seat and the second sliding seat are respectively threadedly connected to the first lead screw and the second lead screw. The multiple rows of transfer components and the single row of transfer components are respectively arranged on the first sliding seat and the second sliding seat.

[0009] Both the multi-row transfer assembly and the single-row transfer assembly include a flexible horizontal wire pipe fixing chain and a flexible vertical wire pipe fixing chain. Fixing chain mounting seats are provided on both the first sliding seat and the second sliding seat. One end of the flexible horizontal wire pipe fixing chain is arranged on the mounting frame, and the other end is arranged on the fixing chain mounting seat. One end of the flexible vertical wire pipe fixing chain is arranged on the fixing chain mounting seat, and the other end is arranged on the transfer assembly.

[0010] The multi-row transfer assembly includes a first lifting seat slidably arranged on the first sliding seat. One end of the first lifting seat is connected with a third driving motor, and the other end is detachably connected with a first connecting seat. A multi-row clamp row is arranged on the first connecting seat. The single-row transfer assembly includes a second lifting seat slidably arranged on the second sliding seat. One end of the second lifting seat is connected with a fourth driving motor, and the other end is detachably connected with a second connecting seat. A row of clamp rows is arranged on the second connecting seat.

[0011] The clamp row includes a jaw mounting seat. A plurality of jaws and a driving member for driving the jaws to clamp and release are arranged at intervals along the length direction of the jaw mounting seat. An elastic member is arranged at the bottom of the jaw, and a flexible pipe is arranged on the peripheral side.

[0012] The mounting frame is provided with a movable seat that can move horizontally. The second transfer mechanism includes a third lifting seat slidably arranged on the movable seat. A third connecting seat is detachably connected to the third lifting seat. A plurality of suction cup assemblies are arranged on the third connecting seat.

[0013] The suction cup assembly includes a suction cup mounting seat and a plurality of suction cups arranged at intervals along the length direction of the suction cup mounting seat. A positioning block is detachably arranged on the suction cup mounting seat. An imitation part is arranged at the bottom of the positioning block. The shape of the imitation part matches the shape of the part of the material to be sucked. The suction cup passes through the positioning block and is located at the top of the imitation part.

[0014] The suction cup mounting seat is made of carbon steel material, and a positioning pin is arranged at the bottom. A magnet for magnetically connecting with the suction cup mounting seat and a positioning hole for cooperating with the positioning pin are arranged on the positioning block.

[0015] The packaging material feeding mechanism further includes a palletizing conveying trolley, a depalletizing robot, and a robot moving track. The robot moving track is arranged on one side of the support frame. The depalletizing robot can move on the robot moving track. A plurality of palletizing placement stations are arranged on the periphery of the robot moving track.

[0016] Compared with the prior art, the advantages of the present utility model are as follows:

[0017] The packaging material feeding mechanism disclosed by the present utility model has a first conveyor line located above the second conveyor line. The input end and the output end of the second conveyor line both extend outside the two ends of the first conveyor line, that is, extending out of the feeding position and the discharging position of the second conveyor line, facilitating feeding and discharging, forming a double-layer conveyor line for separately conveying bottles and caps. The mounting frame straddles the extended output end of the second conveyor line. A first transfer mechanism is movably arranged on the side close to the first conveyor line to transfer and feed the bottles at the output end of the first conveyor line. A second transfer mechanism is movably arranged on the other side to transfer and feed the caps at the output end of the second conveyor line, realizing the conveying and feeding of bottles and caps. Compared with two juxtaposed conveyor lines and a separately configured transfer and feeding mechanism, the double-layer conveyor line and the bilateral transfer mechanisms have a more compact structure and a smaller overall floor area. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a perspective structural schematic diagram of the packaging material feeding mechanism of the present utility model.

[0019] Figure 2 is a perspective structural schematic diagram of the conveyor line and the transfer mechanism in the present utility model.

[0020] Figure 3 is a perspective structural schematic diagram of the first transfer mechanism in the present utility model.

[0021] Figure 4 is a perspective structural schematic diagram of the first transfer mechanism with the fixture hidden in the present utility model.

[0022] Figure 5 is a perspective structural schematic diagram of the multi-row transfer assembly in the present utility model.

[0023] Figure 6 is a perspective structural schematic diagram of the fixture row in the present utility model.

[0024] Figure 7 is a cross-sectional structural schematic diagram of the jaw in the present utility model.

[0025] Figure 8 is a perspective structural schematic diagram of the second transfer mechanism in the present utility model.

[0026] Figure 9 is a perspective structural schematic diagram of the suction cup assembly in the present utility model.

[0027] Figure 10 is a cross-sectional structural schematic diagram of the suction cup assembly in the present utility model.

[0028] Figure 11 is a cross-sectional structural schematic diagram of the suction cup in the present utility model.

[0029] Figure 12 is a perspective structural schematic diagram of the positioning block in the present utility model.

[0030] Each label in the figure represents: 1. Support frame; 2. Mounting frame; 21. First transverse guide rail; 22. First sliding seat; 23. Second sliding seat; 24. First driving motor; 25. Second driving motor; 26. First lead screw; 27. Second lead screw; 28. Fixed chain mounting seat; 29. Moving seat; 3. First conveyor line; 4. Second conveyor line; 5. First transfer mechanism; 51. Multi-row transfer assembly; 511. First lifting seat; 512. Third driving motor; 513. First connecting seat; 52. Single-row transfer assembly; 521. Second lifting seat; 522. Fourth driving motor; 523. Second connecting seat; 53. Flexible transverse wire tube fixing chain; 54. Flexible vertical wire tube fixing chain; 55. Fixture row; 551. Jaw mounting seat; 552. Jaw; 553. Driving member; 554. Elastic member; 555. Flexible tube; 6. Second transfer mechanism; 61. Third lifting seat; 62. Third connecting seat; 63. Suction cup assembly; 631. Suction cup mounting seat; 632. Suction cup; 633. Positioning block; 634. Profiled part; 635. Positioning pin; 636. Magnet; 637. Positioning hole; 7. Palletizing conveyor trolley; 8. Depalletizing robot; 9. Robot moving track; 10. Palletizing placement station. Detailed implementation manners

[0031] The present utility model will be further described in detail below in conjunction with the specification drawings and specific embodiments.

[0032] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present utility model.

[0033] In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, "a plurality of" means two or more, unless otherwise specifically defined.

[0034] In the present utility model, unless otherwise clearly defined and limited, terms such as "assembly", "connection", "linkage", "fixation", etc. shall be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the communication inside two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0035] Figures 1 to 12 An embodiment of the packaging material feeding mechanism of the present utility model is shown. The packaging material feeding mechanism of this embodiment includes a support frame 1 and a mounting frame 2. A first conveyor line 3 and a second conveyor line 4 are provided on the support frame 1. The first conveyor line 3 is located above the second conveyor line 4, and both the input end and the output end of the second conveyor line 4 extend outside both ends of the first conveyor line 3. The mounting frame 2 straddles the second conveyor line 4. A first transfer mechanism 5 is movably provided on one side of the mounting frame 2 close to the first conveyor line 3, and a second transfer mechanism 6 is movably provided on the other side. The first transfer mechanism 5 is used to transfer the materials on the first conveyor line 3, and the second transfer mechanism 6 is used to transfer the materials on the second conveyor line 4.

[0036] For this packaging material feeding mechanism, the first conveyor line 3 is located above the second conveyor line 4, and both the input end and the output end of the second conveyor line 4 extend outside both ends of the first conveyor line 3, that is, they extend out of the loading position and the unloading position of the second conveyor line 4, which is convenient for loading and unloading, forming a double-layer conveyor line to respectively convey bottles and caps. The mounting frame 2 straddles the extended output end of the second conveyor line 4. A first transfer mechanism 5 is movably provided on one side close to the first conveyor line 3 to transfer and load the bottles at the output end of the first conveyor line 3, and a second transfer mechanism 5 is movably provided on the other side to transfer and load the caps at the output end of the second conveyor line 4, realizing the conveyance and loading of bottles and caps. Compared with two juxtaposed conveyor lines and a separately configured transfer and loading mechanism, the double-layer conveyor line and the bilateral transfer mechanisms have a more compact structure and a smaller overall floor area.

[0037] Furthermore, as Figure 2 and 3As shown in the figure, in this embodiment, the first transfer mechanism 5 includes a multi-row transfer component 51 and a single-row transfer component 52. The multi-row transfer component 51 and the single-row transfer component 52 are both slidably arranged on the mounting frame 2 and can be lifted and lowered relative to the mounting frame 2. Specifically, the multi-row transfer component 51 is a double-row transfer component. When picking and loading materials, the double-row transfer component moves above the bottle rows to be grabbed, then descends to grab two rows of bottle rows and ascends, and then moves to the inkjet coding station. Then it descends to place one row of bottle rows for inkjet coding. After the inkjet coding is completed, the single-row transfer component 52 transfers this row of bottle rows to the bottle positioning slots of the subsequent conveyor line. Then the double-row transfer component places the remaining row of bottle rows for inkjet coding. After the inkjet coding is completed, the single-row transfer component 52 transfers again. The first transfer mechanism 5 adopts a method of grabbing once and placing twice, which can save the time for replacing the trays of the glue frame trays. Further preferably, after the materials in the glue frame trays are grabbed, the empty trays can be taken away by a tray-changing robot, or an empty tray recycling conveyor line and a tray-changing device can be set up to recycle the empty trays to ensure the normal transportation of the first conveyor line 3 and the second conveyor line 4.

[0038] Further, as Figure 4 shown in the figure, in this embodiment, a first transverse guide rail 21 is provided on the mounting frame 2. A first sliding seat 22 and a second sliding seat 23 are slidably arranged on the first transverse guide rail 21. A first driving motor 24 is provided at one end of the mounting frame 2, and a second driving motor 25 is provided at the other end. The output ends of the first driving motor 24 and the second driving motor 25 are respectively connected to a first lead screw 26 and a second lead screw 27. The first lead screw 26 and the second lead screw 27 are arranged in parallel and are both rotatably arranged on the mounting frame 2. The first sliding seat 22 and the second sliding seat 23 are respectively threadedly connected to the first lead screw 26 and the second lead screw 27. The multi-row transfer component 51 and the single-row transfer component 52 are respectively arranged on the first sliding seat 22 and the second sliding seat 23. The first driving motor 24 drives the first lead screw 26 to rotate, driving the first sliding seat 22 to slide along the first transverse guide rail 21 to achieve lateral movement. An avoidance portion for avoiding the second lead screw 27 should be provided on the first sliding seat 22. Similarly, the second sliding seat 23 can achieve the independent sliding of the first sliding seat 22 and the second sliding seat 23 on the same first transverse guide rail 21, with a compact structure. Of course, in other embodiments, cylinders or other means can also be used to drive the first sliding seat 22 and the second sliding seat 23 to move.

[0039] Further, as Figure 3 and 4As shown in the figure, in this embodiment, both the multi-row transfer assembly 51 and the single-row transfer assembly 52 include a flexible horizontal wire pipe fixing chain 53 and a flexible vertical wire pipe fixing chain 54. Fixed chain mounting seats 28 are provided on both the first sliding seat 22 and the second sliding seat 23. One end of the flexible horizontal wire pipe fixing chain 53 is arranged on the mounting frame 2, and the other end is arranged on the fixed chain mounting seat 28. One end of the flexible vertical wire pipe fixing chain 54 is arranged on the fixed chain mounting seat 28, and the other end is arranged on the transfer assembly. The flexible horizontal wire pipe fixing chain 53 and the flexible vertical wire pipe fixing chain 54 can be used to fix the wire pipes, and one end of the flexible horizontal wire pipe fixing chain 53 can move along with the fixed chain mounting seat 28, and one end of the flexible vertical wire pipe fixing chain 54 can rise and fall along with the lifting of the transfer assembly, preventing the wire pipes from being in a mess and hindering the operation of the transfer assembly.

[0040] Further, as Figure 3 and 4 shown, in this embodiment, the multi-row transfer assembly 51 includes a first lifting seat 511 slidably arranged on the first sliding seat 22. A third driving motor 512 is connected to one end of the first lifting seat 511, and a first connecting seat 513 is detachably connected to the other end. A multi-row clamp row 55 is arranged on the first connecting seat 513. The single-row transfer assembly 52 includes a second lifting seat 521 slidably arranged on the second sliding seat 23. A fourth driving motor 522 is connected to one end of the second lifting seat 521, and a second connecting seat 523 is detachably connected to the other end. A row of clamp rows 55 is arranged on the second connecting seat 523. The third driving motor 512 drives the first lifting seat 511 to lift on the first sliding seat 22, thereby driving the first connecting seat 513 to lift, and finally driving the clamp row 55 to lift. At the same time, the first connecting seat 513 is detachably connected to the first lifting seat 511, which is convenient for disassembly and replacement. The single-row transfer assembly 52 is the same in principle and will not be elaborated here. Specifically, the other end of the flexible vertical wire pipe fixing chain 54 is connected to the corresponding lifting seat.

[0041] Further, as Figure 5 、 6 and 7 shown, in this embodiment, the clamp row 55 includes a jaw mounting seat 551. A plurality of jaws 552 are arranged at intervals along the length direction of the jaw mounting seat 551 and a driving member 553 for driving the jaws 552 to clamp and release. An elastic member 554 is provided at the bottom of the jaws 552, and a flexible pipe 555 is provided on the peripheral side. The driving member 533 drives the jaws 522 to clamp and release, realizing the clamping and loosening of the bottles. An elastic member 554 is provided at the bottom of the jaws 552. When the jaws 552 are clamping, there is a certain downward pressure on the end of the bottle mouth, enabling the bottle to be clamped more stably and reducing the swing of the bottle. The flexible pipe 555 has a certain deformation amount, can adapt to the bottle mouth with a certain diameter, and has a certain protective effect on the bottle.

[0042] Further, as Figure 8 and 9As shown in the figure, in this embodiment, the mounting bracket 2 is provided with a moving seat 29 that can move horizontally. The second transfer mechanism 6 includes a third lifting seat 61 slidably disposed on the moving seat 29. A third connecting seat 62 is detachably connected to the third lifting seat 61, and a plurality of suction cup assemblies 63 are provided on the third connecting seat 62. The moving seat 29 drives the third lifting seat 61 to move horizontally on the mounting bracket 2, and the third lifting seat 61 can move up and down on the moving seat 29, thereby driving the third connecting seat 62 and the suction cup assemblies 63 to move and lift. Its driving method is the same as that of the first transfer mechanism 5.

[0043] Further, as Figure 9 , 10 , 11 and 12 show, in this embodiment, the suction cup assembly 63 includes a suction cup mounting seat 631 and a plurality of suction cups 632 arranged at intervals along the length direction of the suction cup mounting seat 631. A positioning block 633 is detachably provided on the suction cup mounting seat 631. A profiling portion 634 is provided at the bottom of the positioning block 633. The shape of the profiling portion 634 matches the shape of the part of the material to be sucked. The suction cups 632 pass through the positioning block 633 and are located at the top of the profiling portion 634. When sucking the lid, the suction cup assembly 63 descends, and the positioning block 633 contacts the lid, so that the profiling portion 634 fits with the top of the lid to position the lid. Then the suction cups 632 suck up the lid, improving the stability of lid suction. And the positioning block 633 is detachably connected to the suction cup mounting seat 631, which is convenient for replacement to adapt to the positioning of lids with different shapes.

[0044] Further, as Figure 11 and 12 show, in this embodiment, the suction cup mounting seat 631 is made of carbon steel material, and a positioning pin 635 is provided at the bottom. A magnet 636 for magnetically connecting with the suction cup mounting seat 631 and a positioning hole 637 for cooperating with the positioning pin 635 are provided on the positioning block 633. The positioning block 633 is installed by magnetic attraction, which is convenient for installation and disassembly. The installation position of the positioning block 633 is ensured by the cooperation of the positioning pin 635 and the positioning hole 637. Of course, in other embodiments, the suction cup mounting seat 631 can also be made of other magnetic materials.

[0045] Further, as Figure 1 shows, in this embodiment, the packaging material feeding mechanism further includes a palletizing conveying trolley 7, a palletizing robot 8 and a robot moving track 9. The robot moving track 9 is provided on one side of the support frame 1. The palletizing robot 8 can move on the robot moving track 9, and a plurality of palletizing placement stations 10 are provided on the periphery of the robot moving track 9. The palletizing conveying trolley 7 conveys the pallets of bottles and lids to each palletizing placement station 10. The palletizing robot 8 moves on the robot moving track 9 and places the bottle plastic frame pallets and lid plastic frame pallets on the corresponding first conveying line 3 and second conveying line 4.

[0046] Although the present utility model has been disclosed above with preferred embodiments, it is not intended to limit the present utility model. Any person skilled in the art can make many possible changes and modifications to the technical solution of the present utility model by using the technical content disclosed above, or modify it into an equivalent embodiment with equivalent changes. Therefore, all content that does not depart from the technical solution of the present utility model, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present utility model shall fall within the scope of protection of the technical solution of the present utility model.

Claims

1. A packaging material feeding mechanism, characterized in that: The invention comprises a support frame (1) and a mounting frame (2); a first conveying line (3) and a second conveying line (4) are arranged on the support frame (1); the first conveying line (3) is located above the second conveying line (4); the input end and the output end of the second conveying line (4) both extend to the ends of the first conveying line (3); the mounting frame (2) straddles the output end extending from the second conveying line (4); a first transfer mechanism (5) is movably arranged on one side of the mounting frame (2) close to the first conveying line (3); and a second transfer mechanism (6) is movably arranged on the other side; the first transfer mechanism (5) is used for transferring materials on the first conveying line (3); and the second transfer mechanism (6) is used for transferring materials on the second conveying line (4).

2. The packaging material feeding mechanism according to claim 1, characterized in that: The first transfer mechanism (5) comprises a multi-row transfer assembly (51) and a single-row transfer assembly (52); the multi-row transfer assembly (51) and the single-row transfer assembly (52) are both slidably mounted on the mounting frame (2) and can be raised and lowered relative to the mounting frame (2).

3. The packaging material feeding mechanism according to claim 2, characterized in that: The mounting frame (2) is provided with a first transverse guide rail (21), and a first slide seat (22) and a second slide seat (23) are slidably provided on the first transverse guide rail (21). A first drive motor (24) is provided at one end of the mounting frame (2), and a second drive motor (25) is provided at the other end. The output ends of the first drive motor (24) and the second drive motor (25) are respectively connected to a first screw rod (26) and a second screw rod (27). The first screw rod (26) and the second screw rod (27) are arranged in parallel and are both rotatably provided on the mounting frame (2). The first slide seat (22) and the second slide seat (23) are respectively threadedly connected to the first screw rod (26) and the second screw rod (27). The multi-row transfer assembly (51) and the single-row transfer assembly (52) are respectively provided on the first slide seat (22) and the second slide seat (23).

4. The packaging material feeding mechanism according to claim 3, characterized in that: The multi-row transfer assembly (51) and the single-row transfer assembly (52) both include a flexible horizontal wire tube fixing chain (53) and a flexible vertical wire tube fixing chain (54); the first slide seat (22) and the second slide seat (23) are both provided with a fixing chain mounting seat (28); one end of the flexible horizontal wire tube fixing chain (53) is provided on the mounting frame (2), and the other end is provided on the fixing chain mounting seat (28); one end of the flexible vertical wire tube fixing chain (54) is provided on the fixing chain mounting seat (28), and the other end is provided on the transfer assembly.

5. The packaging material feeding mechanism according to claim 3, characterized in that: The multi-row transfer component (51) includes a first lifting seat (511) slidably mounted on a first slide (22), one end of the first lifting seat (511) is connected to a third drive motor (512), and the other end is detachably connected to a first connecting seat (513), and a plurality of rows of clamps (55) are provided on the first connecting seat (513); the single-row transfer component (52) includes a second lifting seat (521) slidably mounted on a second slide (23), one end of the second lifting seat (521) is connected to a fourth drive motor (522), and the other end is detachably connected to a second connecting seat (523), and a row of clamps (55) is provided on the second connecting seat (523).

6. The packaging material feeding mechanism according to claim 5, characterized in that: The clamp row (55) comprises a clamp mounting seat (551), a plurality of clamps (552) and a driving member (553) for driving the clamps (552) to clamp and release are arranged at intervals along the length direction of the clamp mounting seat (551), an elastic member (554) is provided at the bottom of the clamp (552), and a flexible tube (555) is provided on the surrounding side.

7. The packaging material feeding mechanism according to any one of claims 1 to 6, characterized in that: The mounting frame (2) is provided with a movable seat (29) which can be moved laterally, and the second transfer mechanism (6) includes a third lifting seat (61) which is slidably arranged on the movable seat (29), and the third lifting seat (61) is detachably connected to a third connecting seat (62), and the third connecting seat (62) is provided with a plurality of suction cup assemblies (63).

8. The packaging material feeding mechanism according to claim 7, characterized in that: The suction cup assembly (63) comprises a suction cup mounting seat (631) and a plurality of suction cups (632) arranged at intervals along the length direction of the suction cup mounting seat (631); a positioning block (633) is detachably provided on the suction cup mounting seat (631); a contouring portion (634) is provided at the bottom of the positioning block (633); the shape of the contouring portion (634) matches the shape of a part where the material is sucked; the suction cup (632) is inserted into the positioning block (633) and is located at the top of the contouring portion (634).

9. The packaging material feeding mechanism according to claim 8, characterized in that: The suction cup mounting seat (631) is made of carbon steel and has a positioning pin (635) at the bottom. The positioning block (633) is provided with a magnet (636) for magnetically connecting with the suction cup mounting seat (631) and a positioning hole (637) for cooperating with the positioning pin (635).

10. The packaging material feeding mechanism according to any one of claims 1 to 6, characterized in that: The packaging material loading mechanism further comprises a stacking conveying trolley (7), a depalletizing robot (8) and a robot moving track (9); the robot moving track (9) is arranged on one side of the support frame (1); the depalletizing robot (8) can move on the robot moving track (9); and a plurality of stacking placement stations (10) are arranged around the robot moving track (9).

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