A new type of M bag packaging machine

Abstract

The present invention discloses a novel M-bag packaging machine, including a machine base, a material feeding mechanism, a material transfer mechanism and a turntable are arranged on the machine base, a bag holding mechanism, a material feeding mechanism and a bag clamping mechanism are arranged along one circumferential side of the turntable, the material feeding mechanism includes a material placement support plate and a conveying belt capable of conveying the M-bags placed horizontally on the material placement support plate, the material transfer mechanism includes a material transfer component capable of converting the M-bags in a horizontal state into a vertical state, a clamping component capable of clamping and conveying the M-bags converted into a vertical state, and the clamping component includes a support frame arranged on the machine base, a guide rail arranged on the support frame, a slider arranged on the guide rail, and a mounting plate arranged on the slider. The novel M-bag packaging machine of the present invention has a reasonable structural design, compact coordination between the various mechanisms, can adjust the conveying state of the M-bags, and is convenient for opening and clamping the M-bags.

Description

Technical Field

[0001] The present invention relates to the technical field of packaging machinery, and more specifically to a novel M-bag packaging machine. Background Art

[0002] CN113104306A discloses an M-bag packaging machine, comprising: a frame, on which a central rotating shaft assembly and a secondary heat-sealing turntable assembly are arranged; a horizontal bag-loading assembly, a bag-taking assembly, a lower bag-opening mechanism and a secondary opening and releasing clamping assembly are arranged on the periphery of the central rotating shaft assembly, and a series of bag-clamping mechanisms are arranged on the turntable of the central rotating shaft assembly; a secondary turntable is separated from the primary turntable, and the heat-sealing process is arranged on the secondary turntable, so that the bag body can be clamped on the secondary turntable, thereby automatically completing a series of actions.

[0003] However, the above scheme has the following defects: first, the conveying state of the M bag cannot be adjusted when conveying and clamping the M bag; second, it does not have the function of expanding and clamping the M bag, making loading inconvenient. Summary of the invention

[0004] The present invention overcomes the shortcomings of the prior art and provides a novel M-bag packaging machine, which has a reasonable structural design, compact coordination between various mechanisms, can adjust the conveying state of the M-bag, and is convenient for opening and clamping the M-bag.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] A novel M-bag packaging machine comprises a machine base, on which a feeding mechanism, a material transfer mechanism and a turntable are arranged, along one circumferential side of the turntable a bag holding mechanism, a feeding mechanism and a bag clamping mechanism are arranged, the feeding mechanism comprises a material placement support plate and a conveying belt capable of conveying M-bags horizontally placed on the material placement support plate, the material transfer mechanism comprises a material transfer component capable of converting M-bags in a horizontal state into a vertical state, a clamping and conveying component capable of clamping and conveying the M-bags converted into a vertical state, the clamping and conveying component comprising a support frame arranged on the machine base, a guide rail arranged on the support frame, a slider arranged on the guide rail, a device A mounting plate on the slider, a mounting column arranged on the machine base, a rotating shaft passing through the mounting column, a transmission arm arranged on the rotating shaft, a transmission member having one end hinged to the transmission arm and the other end hinged to the mounting plate, at least one bag clamping module arranged on the mounting plate, the bag clamping module comprising a mounting frame, a driving gear and a driven gear rotatably arranged on the mounting frame, a first cylinder arranged on the mounting frame, a first joint connected to the first cylinder, a first connecting rod having one end connected to the driving gear and the other end hinged to the first joint, and a plurality of suction cup assemblies for adsorbing and clamping M bags are arranged around the turntable.

[0007] Preferably, the bag-holding mechanism includes a mounting frame, on which are hinged two stretching rods that can be folded or opened, the stretching rods being connected to a transmission assembly that can cause them to be folded or opened, the mounting frame being provided with a first driving member connected to the transmission assembly, the mounting frame being provided with a second driving member that drives the mounting frame to move as a whole, and clamping members being provided on the outward side of the ends of the two stretching rods, and the clamping members can be close to and abut against the stretching rods or be movably arranged away from the stretching rods.

[0008] Preferably, the two spreading rods are each provided with a corresponding first connecting section, the transmission assembly includes a transmission rod having one end hinged to the two first connecting sections respectively, and a second connecting rod hinged to the other end of the two transmission rods, the first driving member is connected to the second connecting rod, the clamping member is hinged to the spreading rod, a hinged portion hinged to the clamping member is provided on the spreading rod, the clamping member includes a hinge and an abutting portion and a connecting portion located on both sides of the hinge and forming a certain angle between each other, the spreading rod is provided with a second connecting section, a cylinder seat is hinged at the bottom of the second connecting section, a driving cylinder is provided on the cylinder seat, and the driving cylinder is connected to a second joint member hinged to the connecting portion.

[0009] Preferably, a support column is provided on the machine base, an inner column is provided inside the support column, the inner column is connected to the mounting frame, a connecting frame is provided on the support column, a double-rod cylinder is provided on the connecting frame, both ends of the double-rod cylinder are connected to the first suction cup frame, and a buffer block is provided at the end of the clamping member near the support rod.

[0010] Preferably, the feeding mechanism includes a support rod and a feeding hopper arranged on the support rod, and the bag holding mechanism includes a support arm, a bag holding seat with a strip hole is provided on the support arm, the bag holding seat is located on both sides of the strip hole and has bag holding plates with strip grooves hingedly connected, a bearing column is provided in the strip hole, both bag holding plates are connected to the bearing column, the bearing column is located in the strip groove, a connecting block is hinged at the lower end of the bag holding plate, a bag holding strip is provided on the connecting block, and a second cylinder movably connected to one of the bag holding plates is provided on the bag holding seat.

[0011] Preferably, the material transfer assembly includes a rotating cylinder seat arranged on the mounting column, a rotating cylinder arranged on the rotating cylinder seat, a cylinder pad arranged on the rotating cylinder, a third cylinder arranged on the cylinder pad, and a first suction cup seat connected to the third cylinder.

[0012] Preferably, a material rack is provided on the material loading support plate, a baffle is provided on one side of the material loading support plate, and a second suction cup rack movable in the vertical direction is provided below the material loading support plate.

[0013] Preferably, a turntable shaft is passed through the turntable, a driving motor and a reduction gear set are provided in the machine base, the reduction gear set is connected to the turntable shaft, a shaft sleeve is provided on the outer side of the turntable shaft, a driving assembly that can drive the shaft sleeve to rotate is provided in the machine base, a cam is provided on the shaft sleeve, the suction cup assembly includes two first connecting rods arranged under the turntable and a push rod hinged to the two first connecting rods, a bearing that can abut against the cam is provided at the end of the push rod, a second connecting rod is hinged on the turntable, the second connecting rod is hinged to the first connecting rod, and a second suction cup seat is provided on the second connecting rod.

[0014] Preferably, a material unloading mechanism is also provided on the machine base, which includes a conveying platform, a tilted feeding rack is provided on the side of the conveying platform close to the turntable, baffle plates are provided on both sides of the conveying platform, a connecting plate connected to the rotating shaft is provided in the machine base, and a fourth cylinder is hinged on the connecting plate.

[0015] Preferably, a display screen is provided above the machine base, cover doors are provided on both sides below the machine base, and a fifth cylinder is provided inside the machine base which is hinged to the cover door to cause the cover door to open or close relative to the machine base.

[0016] Beneficial effects of the present invention:

[0017] The novel M-bag packaging machine of the present invention has a reasonable structural design, compact coordination between various mechanisms, can adjust the conveying state of the M-bag, and is convenient for opening and clamping the M-bag. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 The structure of a specific embodiment of the present invention is shown in FIG. Figure 1 ;

[0019] Figure 2 The structure of a specific embodiment of the present invention is shown in FIG. Figure 2 ;

[0020] Figure 3 It is a structural schematic diagram of a feeding mechanism according to a specific embodiment of the present invention;

[0021] Figure 4 It is a structural schematic diagram of a material transfer mechanism according to a specific embodiment of the present invention;

[0022] Figure 5 It is a structural schematic diagram of a material transfer assembly according to a specific embodiment of the present invention;

[0023] Figure 6 It is a structural schematic diagram of a clamping and conveying assembly according to a specific embodiment of the present invention;

[0024] Figure 7 It is a structural schematic diagram of a bag clamping module according to a specific embodiment of the present invention;

[0025] Figure 8It is a structural schematic diagram of a bag-holding and clamping mechanism according to a specific embodiment of the present invention;

[0026] Fig. 9 It is a structural schematic diagram of a bag holding mechanism according to a specific embodiment of the present invention;

[0027] Fig.10 It is a structural schematic diagram of a transmission assembly according to a specific embodiment of the present invention;

[0028] Fig.11 It is a structural schematic diagram of a feeding mechanism according to a specific embodiment of the present invention;

[0029] Fig.12 It is a structural schematic diagram of a card bag mechanism according to a specific embodiment of the present invention;

[0030] Fig.13 for Fig.12 The enlarged view of point A in the middle;

[0031] Fig.14 It is a structural schematic diagram of a material unloading mechanism according to a specific embodiment of the present invention;

[0032] Fig.15 The structure of the turntable is shown in the specific embodiment of the present invention. Figure 1 ;

[0033] Fig.16 The structure of the turntable is shown in the specific embodiment of the present invention. Figure 2 ;

[0034] Fig.17 The structure of the suction cup assembly is shown in the following figure. Figure 1 ;

[0035] Fig.18 for Fig.17 The enlarged view of point B in the middle;

[0036] Fig.19 The structure of the suction cup assembly is shown in FIG. Figure 2 ;

[0037] Fig. 20 for Fig.19 Enlarged view of point C in the middle;

[0038] Fig.21 The figure is a schematic structural diagram of a cover door according to a specific embodiment of the present invention.

[0039] In the figure: 100, machine base; 101, connecting plate; 102, fourth cylinder; 103, display screen; 104, cover door; 105, fifth cylinder; 1, feeding mechanism; 11, material placement support plate; 12, conveyor belt; 13, material placement rack; 14, baffle; 15, second suction cup rack; 2, material transfer mechanism; 21, material transfer assembly; 211, rotating cylinder seat; 212, rotating cylinder; 213, cylinder pad; 214, third cylinder; 215, first suction cup seat; 22, clamping assembly; 221, support frame; 222, guide rail; 223, slider; 224, mounting plate; 225, mounting column; 226, rotating shaft; 227, transmission arm; 228, transmission member; 3, turntable; 31, turntable shaft; 32, drive motor; 33, reduction gear set; 34, bushing; 35, drive assembly; 36, cam; 4, bag support clamping mechanism; 41, mounting frame; 42, support rod; 421, first connecting section; 422, hinged portion; 423, second connecting section; 43, transmission assembly; 431, transmission rod; 432, second Connecting rod; 44, first driving member; 45, second driving member; 46, clamping member; 461, hinge; 462, abutment portion; 463, connecting portion; 464, buffer block; 47, cylinder seat; 471, driving cylinder; 472, second joint; 48, supporting column; 481, inner column; 482, connecting frame; 483, double-rod cylinder; 484, first suction cup frame; 5, feeding mechanism; 51, supporting rod; 52, feeding hopper; 6, bag clamping mechanism; 61, supporting arm; 62, bag clamping seat; 621, strip shaped hole; 63, bag holding plate; 631, strip groove; 64, bearing column; 65, connecting block; 66, bag holding strip; 67, second cylinder; 7, bag clamping module; 71, mounting frame; 72, driving gear; 73, driven gear; 74, first cylinder; 75, first joint; 76, first connecting rod; 8, suction cup assembly; 81, first connecting rod; 82, push rod; 83, bearing; 84, second connecting rod; 85, second suction cup seat; 9, unloading mechanism; 91, conveying platform; 92, feeding rack; 93, baffle plate. DETAILED DESCRIPTION

[0040] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0041] like Figure 1-21As shown, a novel M-bag packaging machine includes a machine base 100, on which a feeding mechanism 1, a material transfer mechanism 2 and a turntable 3 are arranged, and a bag holding mechanism 4, a feeding mechanism 5 and a bag clamping mechanism 6 are arranged along one circumferential side of the turntable 3. The feeding mechanism 1 includes a material placement support plate 11 and a conveying belt 12 that can convey the M-bags horizontally placed on the material placement support plate 11, the material transfer mechanism 2 includes a material transfer component 21 that can transfer the M-bags in a horizontal state to a vertical state, and a clamping component 22 that clamps and conveys the M-bags transferred to the vertical state, and the clamping component 22 includes a support frame 221 arranged on the machine base 100, a guide rail 222 arranged on the support frame 221, a slider 223 arranged on the guide rail 222, and a slider 223 arranged on the slider 223. A mounting plate 224, a mounting column 225 arranged on the machine base 100, a rotating shaft 226 passing through the mounting column 225, a transmission arm 227 arranged on the rotating shaft 226, a transmission member 228 hinged at one end to the transmission arm 227 and at the other end to the mounting plate 224, at least one bag clamping module 7 arranged on the mounting plate 224, the bag clamping module 7 includes a mounting frame 71, a driving gear 72 and a driven gear 73 rotatably arranged on the mounting frame 71, a first cylinder 74 arranged on the mounting frame 71, a first joint member 75 connected to the first cylinder 74, a first connecting rod 76 with one end connected to the driving gear 72 and at the other end hinged to the first joint member 75, and a plurality of suction cup assemblies 8 for adsorbing and clamping M bags are arranged around the turntable 3.

[0042] By adopting the above technical scheme, in the present invention, the M bags will first be placed horizontally on the material placement tray 11, and then the M bags will be conveyed to the end of the conveyor belt 12 via the conveyor belt 12, that is, located below the material transfer component 21, and then the material transfer component 21 will convert the horizontal M bags into a vertical state, and then the vertical M bags will be clamped by the clamping component 22 until they are sucked by the suction cup component 8 on the turntable 3, and then the turntable 3 will rotate, and the M bags will be successively passed through the bag holding mechanism 4 for bag holding, and then passed through the feeding mechanism 5 for feeding, and then passed through the bag clamping mechanism 6 for bag clamping operation. Among them, the specific actions of the clamping and conveying component 22 are as follows: first, the rotating shaft 226 will rotate relative to the mounting column 225, so that the slider 223 will slide on the guide rail 222, so that the bag clamping module 7 is located above the material transfer component 21, and then the first cylinder 74 is driven to rotate the driving gear 72, thereby driving the driven gear 73 and clamping the M bags. Then, the rotating shaft 226 rotates in the opposite direction, so that the slider 223 slides toward the side close to the turntable 3, so that the bag clamping module 7 clamping the M bags moves toward the suction cup component 8, and the suction cup component 8 can smoothly absorb the M bags.

[0043] As an improved specific embodiment, the bag holding mechanism 4 includes a mounting frame 41, on which are hinged two stretching rods 42 that can be folded or opened, and the stretching rods 42 are connected to a transmission assembly 43 that can cause them to be folded or opened. The mounting frame 41 is provided with a first driving member 44 connected to the transmission assembly 43, and the mounting frame 41 is provided with a second driving member 45 that drives the mounting frame 41 to move as a whole. A clamping member 46 is provided on the outward side of the end of the two stretching rods 42, and the clamping member 46 can be close to and abut against the stretching rod 42 or be movably arranged away from the stretching rod 42.

[0044] By adopting the above technical solution, the first driving member 44 and the second driving member 45 are both configured as cylinders. In specific use, the second driving member 45 drives the mounting frame 41 to move toward the zipper bag as a whole until the opening rod 42 is inserted into the bag opening of the M bag. Then, the second driving member 45 drives the transmission assembly 43 to move, and the transmission assembly 43 drives the two opening rods 42 to open, so that the bag opening of the M bag is opened. Then, the clamping member 46 is moved close to the opening rod 42, so that the two sides of the M bag can be clamped.

[0045] As an improved specific implementation manner, the two spreading rods 42 are each provided with a corresponding first connecting section 421, the transmission assembly 43 includes a transmission rod 431 of which one end is hinged to the two first connecting sections 421 respectively, and a second connecting rod 432 hinged to the other end of the two transmission rods 431, the first driving member 44 is connected to the second connecting rod 432, the clamping member 46 is hinged to the spreading rod 42, and the spreading rod 42 is provided with a hinged portion 422 hinged to the clamping member 46, the clamping member 46 includes a hinge 461 and abutting portions 462 and a connecting portion 463 located on both sides of the hinge 461 and forming a certain angle between each other, the spreading rod 42 is provided with a second connecting section 423, and a cylinder seat 47 is hinged at the bottom of the second connecting section 423, a driving cylinder 471 is provided on the cylinder seat 47, and the driving cylinder 471 is connected to a second joint member 472 hinged to the connecting portion 463.

[0046] By adopting the above technical solution, when the first driving member 44 drives the second connecting rod 432 to move, the second connecting rod 432 will drive the transmission rod 431 to move, and open the opening rod 42. The driving cylinder 471 will drive the clamping member 46 to rotate, so that the two sides of the M bag can be clamped, the structural design is reasonable, and the clamping is stable.

[0047] As an improved specific implementation method, a support column 48 is provided on the machine base 100, an inner column 481 is provided inside the support column 48, the inner column 481 is connected to the mounting frame 41, a connecting frame 482 is provided on the support column 48, a double-rod cylinder 483 is provided on the connecting frame 482, both ends of the double-rod cylinder 483 are connected to a first suction cup frame 484, and a buffer block 464 is provided at the end of the clamping member 46 near the support rod 42.

[0048] By adopting the above technical solution, the setting of the first suction cup frame 484 can also adsorb and clamp the M bag, and the setting of the buffer block 464 makes the clamping of the M bag more stable.

[0049] As an improved specific embodiment, the feeding mechanism 5 includes a support rod 51 and a feeding hopper 52 arranged on the support rod 51, and the bag holding mechanism 6 includes a support arm 61, and the support arm 61 is provided with a bag holding seat 62 with a bar hole 621, and the bag holding seat 62 is located on both sides of the bar hole 621 and is hinged with a bag holding plate 63 with a bar groove 631, and a bearing column 64 is provided in the bar hole 621. Both bag holding plates 63 are connected to the bearing column 64, and the bearing column 64 is located in the bar groove 631. The lower end of the bag holding plate 63 is hinged with a connecting block 65, and the connecting block 65 is provided with a bag holding strip 66, and the bag holding seat 62 is provided with a second cylinder 67 movably connected to one of the bag holding plates 63.

[0050] By adopting the above technical solution, the setting of the feed hopper 52 can smoothly realize the feeding of M bags, and the bag clamping mechanism 6 drives the bag clamping plate 63 to rotate through the action of the second cylinder 67, and realizes the bag clamping operation of the M bags by the bag clamping bar 66.

[0051] As an improved specific embodiment, the material transfer assembly 21 includes a rotating cylinder seat 211 arranged on the mounting column 225, a rotating cylinder 212 arranged on the rotating cylinder seat 211, a cylinder pad 213 arranged on the rotating cylinder 212, a third cylinder 214 arranged on the cylinder pad 213, and a first suction cup seat 215 connected to the third cylinder 214.

[0052] By adopting the above technical solution and setting it up in this way, the M bag can be smoothly rotated by rotating the cylinder 212, so that it can be changed from a horizontal state to a vertical state.

[0053] As an improved specific implementation, a material rack 13 is provided on the material loading support plate 11 , a baffle 14 is provided on one side of the material loading support plate 13 , and a second suction cup rack 15 movable in the vertical direction is provided below the material loading support plate 11 .

[0054] By adopting the above technical solution, the second suction cup frame 15 is provided to suck the M bags on the material placement support plate 11 and transport them through the conveyor belt 12.

[0055] As an improved specific implementation method, a turntable 3 shaft is passed through the turntable 3, a driving motor 32 and a reduction gear set 33 are provided in the machine base 100, the reduction gear set 33 is connected to the turntable 3 shaft, a shaft sleeve 34 is provided on the outer side of the turntable 3 shaft, a driving assembly 35 that can drive the shaft sleeve 34 to rotate is provided in the machine base 100, a cam 36 is provided on the shaft sleeve 34, the suction cup assembly 8 includes two first connecting rods 81 arranged under the turntable 3 and a push rod 82 hinged to the two first connecting rods 81, a bearing 83 that can abut against the cam 36 is provided at the end of the push rod 82, a second connecting rod 84 is hinged on the turntable 3, the second connecting rod 84 is hinged to the first connecting rod 81, and a second suction cup seat 85 is provided on the second connecting rod 84.

[0056] By adopting the above technical solution, the driving motor 32 and the reduction gear set 33 can realize the turntable 3, and the driving component 35 can realize the rotation of the cam 36. When the cam 36 rotates, it will drive the push rod 82 to move and realize the retraction and opening of the second suction cup seat 85.

[0057] As an improved specific implementation method, a material unloading mechanism 9 is also provided on the machine base 100, and the material unloading mechanism 9 includes a conveying platform 91. A tilted feed rack 92 is provided on the side of the conveying platform 91 close to the turntable 3, and baffle plates 93 are provided on both sides of the conveying platform 91. A connecting plate 101 connected to the rotating shaft 226 is provided in the machine base 100, and a fourth cylinder 102 is hinged on the connecting plate 101.

[0058] By adopting the above technical solution, the setting of the unloading mechanism 9 can accommodate and convey the M bags that have been packaged, and the setting of the feeding rack 92 can have a certain guiding effect on the M bags.

[0059] As an improved specific implementation, a display screen 103 is provided above the base 100, cover doors 104 are provided on both sides below the base 100, and a fifth cylinder 105 is provided inside the base 100 which is hinged to the cover door 104 to cause the cover door 104 to open or close relative to the base 100.

[0060] By adopting the above technical solution, the housing door 104 is movably arranged to be easy to open, so as to facilitate the inspection and maintenance of the mechanical parts in the base 100.

[0061] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A new M-bag packaging machine, comprising a machine base, characterized in that: A feeding mechanism, a material transfer mechanism and a turntable are arranged on the machine base, and a bag holding mechanism, a feeding mechanism and a bag clamping mechanism are arranged along one circumferential side of the turntable. The feeding mechanism includes a material placement support plate and a conveying belt that can convey M bags horizontally placed on the material placement support plate. The material transfer mechanism includes a material transfer component that can transfer M bags in a horizontal state to a vertical state, a clamping and conveying component that clamps and conveys the M bags transferred to a vertical state, and the clamping and conveying component includes a support frame arranged on the machine base, a guide rail arranged on the support frame, a slider arranged on the guide rail, and a mounting plate arranged on the slider. A plate, a mounting column arranged on the machine base, a rotating shaft passing through the mounting column, a transmission arm arranged on the rotating shaft, a transmission member having one end hinged to the transmission arm and the other end hinged to the mounting plate, at least one bag clamping module arranged on the mounting plate, the bag clamping module comprising a mounting frame, a driving gear and a driven gear rotatably arranged on the mounting frame, a first cylinder arranged on the mounting frame, a first joint connected to the first cylinder, a first connecting rod having one end connected to the driving gear and the other end hinged to the first joint, and a plurality of suction cup assemblies for adsorbing and clamping M bags are arranged on the circumference of the turntable; The bag holding mechanism comprises a mounting frame, on which two opening rods which can be folded or opened are hinged, and the opening rods are connected to a transmission assembly which can cause them to be folded or opened, and a first driving member connected to the transmission assembly is provided on the mounting frame, and a second driving member which drives the mounting frame to move as a whole is provided on the mounting frame, and a clamping member is provided on one side of the ends of the two opening rods which face outwards, and the clamping member can be close to and abut against the opening rods or can be movably arranged away from the opening rods; The two spreading rods are each provided with a corresponding first connecting section, the transmission assembly includes a transmission rod with one end hinged to the two first connecting sections respectively, and a second connecting rod hinged to the other end of the two transmission rods, the first driving member is connected to the second connecting rod, the clamping member is hinged to the spreading rod, the spreading rod is provided with a hinged portion hinged to the clamping member, the clamping member includes a hinged portion and an abutting portion and a connecting portion located at both sides of the hinged portion and forming a certain angle with each other, the spreading rod is provided with a second connecting section, a cylinder seat is hinged to the lower part of the second connecting section, a driving cylinder is provided on the cylinder seat, and the driving cylinder is connected to a second joint member hinged to the connecting portion; A support column is provided on the machine base, an inner column is provided inside the support column, the inner column is connected to the mounting frame, a connecting frame is provided on the support column, a double-rod cylinder is provided on the connecting frame, both ends of the double-rod cylinder are connected to the first suction cup frame, and a buffer block is provided at the end of the clamping part close to the support rod.

2. A new M-bag packaging machine according to claim 1, characterized in that: The feeding mechanism includes a support rod and a feeding hopper arranged on the support rod, and the bag holding mechanism includes a support arm, a bag holding seat with a strip hole is provided on the support arm, and the bag holding seat is located on both sides of the strip hole and has bag holding plates with strip grooves hingedly connected, a bearing column is provided in the strip hole, and both bag holding plates are connected to the bearing column, and the bearing column is located in the strip groove, a connecting block is hinged at the lower end of the bag holding plate, a bag holding strip is provided on the connecting block, and a second cylinder movably connected to one of the bag holding plates is provided on the bag holding seat.

3. A new M-bag packaging machine according to claim 1, characterized in that: The material transfer assembly comprises a rotating cylinder seat arranged on a mounting column, a rotating cylinder arranged on the rotating cylinder seat, a cylinder pad arranged on the rotating cylinder, a third cylinder arranged on the cylinder pad, and a first suction cup seat connected to the third cylinder.

4. A new M-bag packaging machine according to claim 1, characterized in that: A material rack is arranged on the material supporting plate, a baffle is arranged on one side of the material rack, and a second suction cup rack which can move in a vertical direction is arranged below the material supporting plate.

5. A new M-bag packaging machine according to claim 1, characterized in that: A turntable shaft is passed through the turntable, a driving motor and a reduction gear set are arranged in the machine base, the reduction gear set is connected to the turntable shaft, a shaft sleeve is arranged on the outer side of the turntable shaft, a driving assembly that can drive the shaft sleeve to rotate is arranged in the machine base, a cam is arranged on the shaft sleeve, the suction cup assembly includes two first connecting rods arranged under the turntable and a push rod hinged to the two first connecting rods, a bearing that can abut against the cam is arranged at the end of the push rod, a second connecting rod is hinged on the turntable, the second connecting rod is hinged to the first connecting rod, and a second suction cup seat is arranged on the second connecting rod.

6. A new M-bag packaging machine according to claim 5, characterized in that: The machine base is also provided with a material unloading mechanism, which includes a conveying platform. A tilted feeding rack is provided on the side of the conveying platform close to the turntable, and baffle plates are provided on both sides of the conveying platform. A connecting plate connected to the rotating shaft is provided in the machine base, and a fourth cylinder is hinged on the connecting plate.

7. A new M-bag packaging machine according to claim 5, characterized in that: A display screen is arranged above the machine base, cover doors are arranged on both sides below the machine base, and a fifth cylinder hinged with the cover door to cause the cover door to open or close relative to the machine base is arranged in the machine base.

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