CN212373757U - Full-automatic packagine machine's last dolly exhibition bagging apparatus - Google Patents

Abstract

The utility model discloses a bag opening device of a full-automatic packaging machine, which comprises a first outer top claw, a first inner top claw, a roller support, a second support, a stroke adjusting nut, a deep groove ball bearing, a guide shaft fixing seat, a first rotating shaft, a cylinder fixing plate, a cushion cover, a double-rod end bearing and a lower swing shaft, wherein a lifting connecting rod is rotatably arranged on the outer wall of one side of a driving swing arm, a cam swing rod is rotatably arranged on the outer wall of the bottom end of the lifting connecting rod, a cam follower is fixedly arranged on the outer wall of the bottom of one side of the cam swing rod, and an upper trolley cam is fixedly arranged on the outer wall of one side of the cam swing rod corresponding to the cam follower; the device simple structure, reasonable in design, the detachability is good, is convenient for install and change, and the fault rate is low, and safety in utilization and operating stability are good, and is effectual with the clamp tight to the loosening of sack, and the device can quick adjustment top claw in order to be fit for the wrapping bag width, makes the rear end sack seal beautifully level and smooth not have the fold, seal the same and not incline of width.

Description

Full-automatic packagine machine's last dolly exhibition bagging apparatus

Technical Field

The utility model relates to a full automatic packaging machine technical field specifically is a full automatic packaging machine's last dolly exhibition bagging apparatus.

Background

The full-automatic packaging machine is a machine for packaging products, plays a role in protection and attractiveness, and is mainly divided into 2 parts: a production line type integral production packaging and product peripheral packaging device mainly comprises a liquid filling machine, a pillow type packaging machine, a horizontal type packaging machine, a vertical type packaging machine, a powder particle packaging machine, a bag feeding type automatic packaging machine, a frozen product automatic packaging machine and the like, however, the existing full-automatic packaging machine is complex in structure, troublesome to mount and dismount, time-consuming and labor-consuming, prone to failure, difficult to maintain, poor in use safety and operation stability, not smooth in opening and closing of a body, poor in bag loosening and clamping effects, and prone to working efficiency.

Disclosure of Invention

An object of the utility model is to provide a full automatic packaging machine's last dolly exhibition bagging apparatus to solve the problem that proposes among the above-mentioned background art.

In order to solve the technical problem, the utility model provides a following technical scheme: a bag loading and unfolding device of a full-automatic packaging machine comprises a first outer top claw, a first inner top claw, a roller support, a second support, a stroke adjusting nut, a deep groove ball bearing, a guide shaft fixing seat, a first rotating shaft, a cylinder fixing plate, a cushion cover, a double-rod end bearing, a lower swing shaft, an end cover, a bag unfolding swing rod, a sliding block, a first internal thread joint bearing, a roller, a penetrating plate screw rod, a bearing fixing seat, a first fixing block, a short guide shaft, a mini cylinder, an upper swing shaft, an upper trolley cam, a top claw outer support, an internal push-pull shaft, an internal support guide seat, an external push-pull shaft, a first shaft fixing seat, a cross beam, a second push-pull fixing block, a top claw inner support, a swing rod, an external shaft fixing seat, an internal thread joint bearing, a second inner top claw, a cam swing rod, a lifting connecting rod, The outer wall of the top end of the outer support of the top claw is symmetrically provided with two outer support guide seats, the inner part of each outer support guide seat is inserted with an outer push-pull shaft, the outer wall of one end, positioned outside the outer support guide seats, of each outer push-pull shaft is sleeved and fixed with a second fixed block, one side outer wall, positioned above the outer push-pull shaft, of each second fixed block is provided with a crossbeam, the outer wall of the other end of each outer push-pull shaft is sleeved and fixed with an inner support guide seat, the number of the inner support guide seats is two, the outer wall of the bottom end between the inner support guide seats is provided with an inner support of the top claw, the outer walls, positioned outside the inner support guide seats, of the two sides of the outer push-pull shaft are provided with first shaft fixed seats, and the outer wall, positioned on one side of the first shaft fixed seats, of the outer push-pull shaft is provided with an outer shaft fixed seat, an inner push-pull shaft is fixedly arranged on the outer wall of one side of the outer shaft fixing seat corresponding to the outer push-pull shaft, an inner shaft fixing seat is sleeved on the outer wall of the other end of the inner push-pull shaft, a second internal thread joint bearing is rotatably arranged on the outer wall of one side of the inner shaft fixing seat, an external thread joint bearing is arranged on the outer wall of one end of the second internal thread joint bearing, push-pull oscillating bars are arranged on the outer wall of one end of the external thread joint bearing, the number of the push-pull oscillating bars is two, a driving rotating shaft is fixedly arranged on the outer wall between the push-pull oscillating bars, the outer walls of two sides of the driving rotating shaft are fixedly sleeved with a rectangular bearing seat, driving oscillating arms are fixedly sleeved on the outer walls of two sides of the middle part of the driving rotating shaft, a lifting connecting rod is rotatably arranged on the outer wall of one side of the driving oscillating, an upper trolley cam is fixedly arranged on the outer wall of one side of the cam swing rod corresponding to the cam follower, a bearing with a vertical seat is arranged on the outer wall of one side of the cam swing rod, which is positioned above the cam follower, the outer wall of the top end with the vertical seat bearing is fixedly arranged on the outer wall of the bottom end of the driving rotating shaft, two guide shaft fixing seats are fixedly arranged on the outer wall of the top end of the outer support of the top claw and the inner support of the top claw, the number of the guide shaft fixing seats is two, short guide shafts are symmetrically arranged on the outer wall of one side of the guide shaft fixing seats, second supports are sleeved on the outer walls of two sides of the short guide shafts, two second supports are sleeved on the outer walls of two sides of the second supports, a sliding block is sleeved on the outer wall of one side of the sliding block, a double-rod end bearing is rotatably arranged on the outer wall of one side of the sliding block, the other end of the, the number of the roller supports is two, the rollers are symmetrically and fixedly arranged on the outer wall of the top end of each roller support, a lower swing shaft is arranged on the outer wall of the top end, located between the rollers, of each roller support, an upper swing shaft is fixedly arranged on the outer wall of the top end of each lower swing shaft, and bag unfolding swing rods are sleeved on the outer walls of two sides of each upper swing shaft.

Furthermore, a second outer top claw is fixedly arranged on the outer wall of the bottom end of the top claw outer support between the outer support guide seats, and a second inner top claw is fixedly arranged on the outer wall of the bottom end of the top claw inner support between the inner support guide seats.

Further, install first pivot on the outer wall of one side of exhibition bag pendulum rod, the cover has been cup jointed at the middle part of first pivot, deep groove ball bearing has been cup jointed to first pivot position symmetry on the outer wall of cover both sides, install the bearing fixing base on the both sides outer wall between the deep groove ball bearing.

Furthermore, an end cover is sleeved on the outer wall of the first rotating shaft on one side of the bearing fixing seat.

Furthermore, a first internal thread joint bearing is rotatably mounted on the outer wall of one side of the bag unfolding swing rod above the first rotating shaft, and a mini cylinder is screwed and fixed on the outer wall of one end of the first internal thread joint bearing.

Further, install the cylinder fixed plate through stroke adjusting nut on the one end outer wall of mini cylinder, install first fixed block on one side outer wall of cylinder fixed plate, install on one side outer wall of first fixed block and wear the board screw rod.

Furthermore, install first outer top claw on the bottom outer wall of slider, and install first interior top claw on the bottom outer wall of another slider.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is: when the utility model is in operation, the swing rod is driven by the cam to swing in a reciprocating way, the inner push-pull rod and the outer push-pull rod are respectively fixed at the two ends of the swing rod, finally, the bag clamping action is completed through the reciprocating opening and closing of the top jaw, the guide shaft slider takes the support as a rotating fulcrum, the inner bag unfolding device and the outer bag unfolding device are respectively driven by the rollers, the swing shaft is arranged between the two rollers, the bag unfolding action is completed through the reciprocating push-pull of the air cylinder, the device is matched with a horizontal full-automatic packaging machine for use, the device has simple structure, reasonable design, good detachability, convenient installation and replacement, low failure rate, good use safety and operation stability, good synchronism of the inner shaft rod and the middle shaft by adopting the middle shaft and the outer sleeve, smooth opening and closing of the body, good loosening and clamping effects on the bag, the device can quickly adjust the top jaw to be suitable for the width, is worthy of wide popularization and application.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of the overall three-dimensional structure of the present invention;

fig. 2 is a schematic perspective view of the bag clamping device of the present invention;

fig. 3 is a schematic perspective view of the bag unfolding apparatus of the present invention.

In the figure: 1. a first outer top jaw; 2. a first inner top jaw; 3. a roller support; 4. a second support; 5. a stroke adjusting nut; 6. a deep groove ball bearing; 7. a guide shaft fixing seat; 8. a first rotating shaft; 9. a cylinder fixing plate; 10. a cushion cover; 11. a double rod end bearing; 12. a lower swing shaft; 13. an end cap; 14. a bag unfolding swing rod; 15. a slider; 16. a first internally threaded spherical plain bearing; 17. a roller; 18. a plate penetrating screw rod; 19. a bearing fixing seat; 20. a first fixed block; 21. a short guide shaft; 22. a mini cylinder; 23. an upper swing shaft; 24. an upper trolley cam; 25. a jack catch outer support; 26. an inner push-pull shaft; 27. an inner support guide seat; 28. an outer bracket guide seat; 29. pushing and pulling the shaft outwards; 30. a first shaft fixing seat; 31. a cross beam; 32. a second fixed block; 33. an inner support of the top jaw; 34. pushing and pulling the oscillating bar; 35. an outer shaft fixing seat; 36. an inner shaft fixing seat; 37. an external thread joint bearing; 38. a pyramid-shaped bearing block; 39. a second internally threaded spherical plain bearing; 40. a second outer top jaw; 41. a second inner top jaw; 42. a cam swing link; 43. a lifting connecting rod; 44. driving the rotating shaft; 45. driving the swing arm; 46. a bearing with a vertical seat; 47. a cam follower.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a bag feeding and unfolding device of a full-automatic packaging machine comprises a first outer top claw 1, a first inner top claw 2, a roller support 3, a second support 4, a stroke adjusting nut 5, a deep groove ball bearing 6, a guide shaft fixing seat 7, a first rotating shaft 8, a cylinder fixing plate 9, a cushion cover 10, a double-rod end bearing 11, a lower swing shaft 12, an end cover 13, a bag unfolding swing rod 14, a sliding block 15, a first inner thread joint bearing 16, a roller 17, a penetrating plate screw 18, a bearing fixing seat 19, a first fixing block 20, a short guide shaft 21, a mini cylinder 22, an upper swing shaft 23, an upper trolley cam 24, a top claw support 25, an inner push-pull shaft 26, an inner support guide seat 27, an outer support guide seat 28, an outer push-pull shaft 29, a first shaft fixing seat 30, a crossbeam 31, a second fixing block 32, an inner support 33, a top claw swing rod 34, an outer shaft fixing seat 35, an inner shaft fixing seat 36, an outer thread joint bearing 37, a square shaft bearing, A second internal thread joint bearing 39, a second external top claw 40, a second internal top claw 41, a cam swing link 42, a lifting connecting rod 43, a driving rotating shaft 44, a driving swing arm 45, a bearing with a vertical seat 46 and a cam follower 47, wherein the outer wall of the top end of the external support 25 of the top claw is symmetrically provided and fixed with external support guide seats 28, the number of the external support guide seats 28 is two, the internal part of the external support guide seat 28 is inserted and connected with an external push-pull shaft 29, the external push-pull shaft 29 is provided and connected with a second fixed block 32 on the outer wall of one end of the external support guide seat 28, one side of the outer wall of the second fixed block 32 above the external push-pull shaft 29 is provided and fixed with a cross beam 31, the outer wall of the other end of the external push-pull shaft 29 is connected and fixed with an internal support guide seat 27, the number of the internal support guide seats 27 is two, the internal support 33 of the top claw is provided and fixed on the outer wall of the bottom end between the internal support guide seats 27, the external push-pull, an outer shaft fixing seat 35 is installed on the outer wall of the outward push-pull shaft 29 on one side of the first shaft fixing seat 30, an inner push-pull shaft 26 is installed and fixed on the outer wall of one side of the outer shaft fixing seat 35 corresponding to the outward push-pull shaft 29, an inner shaft fixing seat 36 is sleeved on the outer wall of the other end of the inner push-pull shaft 26, a second internal thread joint bearing 39 is rotatably installed on the outer wall of one side of the inner shaft fixing seat 36, an external thread joint bearing 37 is installed on the outer wall of one end of the second internal thread joint bearing 39, push-pull oscillating bars 34 are installed on the outer wall of one end of the external thread joint bearing 37, two push-pull oscillating bars 34 are installed, a driving rotating shaft 44 is installed and fixed on the outer walls of two sides of the driving rotating shaft 44, driving swing arms 45 are sleeved and fixed on the outer walls of two sides of the middle part, the outer wall of the bottom end of the lifting connecting rod 43 is rotatably provided with a cam swing rod 42, the outer wall of the bottom of one side of the cam swing rod 42 is fixedly provided with a cam follower 47, the outer wall of one side of the cam swing rod 42, corresponding to the cam follower 47, is fixedly provided with an upper trolley cam 24, the outer wall of one side of the cam swing rod 42, which is positioned above the cam follower 47, is provided with a bearing 46 with a vertical seat, the outer wall of the top end of the bearing 46 with the vertical seat is fixedly provided on the outer wall of the bottom end of the driving rotating shaft 44, the outer wall of the top end of the outer support 25 of the top claw and the outer wall of the top end of the inner support 33 of the top claw are fixedly provided with guide shaft fixing seats 7, the number of the guide shaft fixing seats 7 is two, the outer wall of one side of the guide shaft fixing seat 7 is symmetrically provided with short guide shafts 21, the outer walls of two sides of the, the outer wall of one side of the sliding block 15 is rotatably provided with two rod end bearings 11, the other ends of the two rod end bearings 11 are arranged on the outer wall of one side of the second support 4, the outer wall of the top end of the sliding block 15 is provided with two roller supports 3, the outer wall of the top end of each roller support 3 is symmetrically provided with and fixed with rollers 17, the outer wall of the top end of each roller support 3, which is positioned between the rollers 17, is provided with a lower swing shaft 12, the outer wall of the top end of the lower swing shaft 12 is provided with and fixed with an upper swing shaft 23, and the outer walls of two sides of the upper swing shaft 23 are sleeved with bag unfolding swing rods 14; the outer top claw 40 is fixedly arranged on the outer wall of the bottom end of the outer top claw support 25 between the outer support guide seats 28, and the inner top claw support 33 is fixedly arranged on the outer wall of the bottom end of the inner top claw support 27, so that the packing bag is perfect and complete and is convenient to clamp; a first rotating shaft 8 is installed on the outer wall of one side of the bag unfolding swing rod 14, a cushion cover 10 is sleeved in the middle of the first rotating shaft 8, deep groove ball bearings 6 are symmetrically sleeved on the outer walls of the first rotating shaft 8, which are positioned on two sides of the cushion cover 10, and bearing fixing seats 19 are installed on the outer walls of two sides between the deep groove ball bearings 6, so that the installation and the rotation are convenient, and the operation is relatively perfect; the end cover 13 is sleeved on the outer wall of the first rotating shaft 8, which is positioned on one side of the bearing fixing seat 19, so that the deep groove ball bearing 6 is protected conveniently and is practical; a first internal thread joint bearing 16 is rotatably arranged on the outer wall of one side of the bag unfolding swing rod 14 above the first rotating shaft 8, and a mini cylinder 22 is screwed and fixed on the outer wall of one end of the first internal thread joint bearing 16 to provide power, so that the bag unfolding swing rod is perfect and practical; the outer wall of one end of the mini cylinder 22 is provided with a cylinder fixing plate 9 through a stroke adjusting nut 5, the outer wall of one side of the cylinder fixing plate 9 is provided with a first fixing block 20, and the outer wall of one side of the first fixing block 20 is provided with a plate penetrating screw 18, so that the mini cylinder is convenient to install and fix and is practical; a first outer top claw 1 is arranged on the outer wall of the bottom end of one sliding block 15, and a first inner top claw 2 is arranged on the outer wall of the bottom end of the other sliding block 15, so that a packaging bag can be conveniently clamped and conveyed; when the device is used, the host machine works, the upper trolley cam 24 drives the cam swing rod 42 to swing through the cam follower 47, the cam swing rod 42 drives the push-pull swing rod 34 on the driving rotating shaft 44 to swing back and forth through the lifting connecting rod 43 and the driving swing arm 45, two ends of the push-pull swing rod 34 respectively drive the inner gripper bracket 33 and the second inner gripper 41 and the second outer gripper 40 on the outer gripper bracket 25 to open and close back and forth through the outer push-pull shaft 29 and the inner push-pull shaft to complete bag clamping, the mini cylinder 22 drives the lower swing shaft 12 to push and pull back and forth through the matching of the first internal thread joint bearing 16 and the bag unfolding swing rod 14 when the mini cylinder 22 is started, and then the slide block 15 is driven by the roller 17 on the slide block 15 to push and pull back and forth on the short guide shaft 21.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. The utility model provides a full automatic packaging machine's dolly of going up exhibition bagging apparatus, including first outer top claw (1), first interior top claw (2), gyro wheel support (3), second support (4), stroke adjusting nut (5), deep groove ball bearing (6), guide shaft fixing base (7), first pivot (8), cylinder fixed plate (9), cushion cover (10), two pole end bearing (11), lower pendulum axle (12), end cover (13), exhibition bag pendulum rod (14), slider (15), first internal thread joint bearing (16), gyro wheel (17), wear board screw rod (18), bearing fixing base (19), first fixed block (20), short guide shaft (21), mini cylinder (22), go up pendulum shaft (23), go up dolly cam (24), top claw outer support (25), interior push-and-pull axle (26), inner support guide holder (27), outer support guide holder (28), outer push-pull axle (29), First axle fixing base (30), crossbeam (31), second fixed block (32), top claw inner support (33), push-and-pull pendulum rod (34), outer axle fixing base (35), interior axle fixing base (36), external screw thread joint bearing (37), rectangular bearing seat (38), second internal screw thread joint bearing (39), the outer top claw of second (40), top claw (41) in the second, cam pendulum rod (42), lifting connecting rod (43), drive pivot (44), drive swing arm (45), take vertical seat bearing (46) and cam follower (47), its characterized in that: outer bracket guide seats (28) are symmetrically and fixedly arranged on the outer wall of the top end of the outer support claw (25), two outer bracket guide seats (28) are arranged, an outer push-pull shaft (29) is inserted into the outer bracket guide seats (28), a second fixing block (32) is fixedly sleeved on the outer wall of one end, located outside the outer bracket guide seats (28), of the outer push-pull shaft (29), a cross beam (31) is fixedly arranged on the outer wall of one side, located above the outer push-pull shaft (29), of the second fixing block (32), an inner bracket guide seat (27) is fixedly sleeved on the outer wall of the other end of the outer push-pull shaft (29), two inner bracket guide seats (27) are arranged, an inner support claw support bracket (33) is fixedly arranged on the outer wall of the bottom end between the inner bracket guide seats (27), and first shaft fixing seats (30) are fixedly arranged on the outer walls of two sides, located outside the inner bracket guide seats (27), of the outer push-pull shaft (29), an outer shaft fixing seat (35) is installed on the outer wall of one side, located on the first shaft fixing seat (30), of the outer push-pull shaft (29), an inner push-pull shaft (26) is installed and fixed on the outer wall of one side of the outer shaft fixing seat (35) correspondingly to the outer push-pull shaft (29), an inner shaft fixing seat (36) is sleeved on the outer wall of the other end of the inner push-pull shaft (26), a second internal thread joint bearing (39) is rotatably installed on the outer wall of one side of the inner shaft fixing seat (36), an external thread joint bearing (37) is installed on the outer wall of one end of the second internal thread joint bearing (39), push-pull oscillating rods (34) are installed on the outer wall of one end of the external thread joint bearing (37), the number of the push-pull oscillating rods (34) is two, a driving rotating shaft (44) is installed and fixed on the outer wall between the push-pull oscillating rods (, the outer walls of two sides of the middle of the driving rotating shaft (44) are fixedly sleeved with driving swing arms (45), the outer wall of one side of each driving swing arm (45) is rotatably provided with a lifting connecting rod (43), the outer wall of the bottom end of each lifting connecting rod (43) is rotatably provided with a cam swing rod (42), the outer wall of the bottom of one side of each cam swing rod (42) is fixedly provided with a cam follower (47), the outer wall of one side of each cam swing rod (42) corresponding to the cam follower (47) is fixedly provided with an upper trolley cam (24), the outer wall of one side of each cam swing rod (42) above the cam follower (47) is provided with a vertical seat bearing (46), the outer wall of the top end of each vertical seat bearing (46) is fixedly arranged on the outer wall of the bottom end of the driving rotating shaft (44), and the outer wall of the top ends of the top claw outer support (25) and the top claw inner support (33), the number of the guide shaft fixing seats (7) is two, the outer wall of one side of each guide shaft fixing seat (7) is symmetrically provided with a short guide shaft (21), the outer walls of two sides of each short guide shaft (21) are sleeved with a second support (4), the number of the second supports (4) is two, the short guide shafts (21) are positioned on the outer walls of two sides of the second supports (4) and sleeved with sliding blocks (15), the outer wall of one side of each sliding block (15) is rotatably provided with two rod end bearings (11), the other ends of the two rod end bearings (11) are arranged on the outer wall of one side of each second support (4), the outer wall of the top end of each sliding block (15) is provided with two roller supports (3), the outer wall of the top end of each roller support (3) is symmetrically provided with rollers (17), the outer wall of the top end, positioned between the rollers (17), of each support roller (3) is provided with a lower swing shaft (12), an upper swing shaft (23) is fixedly arranged on the outer wall of the top end of the lower swing shaft (12), and bag unfolding swing rods (14) are sleeved on the outer walls of the two sides of the upper swing shaft (23).

2. The upper trolley bag spreading device of the full-automatic packaging machine according to claim 1, characterized in that: and a second outer top claw (40) is fixedly arranged on the outer wall of the bottom end of the top claw outer support (25) between the outer support guide seats (28), and a second inner top claw (41) is fixedly arranged on the outer wall of the bottom end of the top claw inner support (33) between the inner support guide seats (27).

3. The upper trolley bag spreading device of the full-automatic packaging machine according to claim 1, characterized in that: install first pivot (8) on one side outer wall of exhibition bag pendulum rod (14), the middle part of first pivot (8) has been cup jointed and has been filled up cover (10), first pivot (8) are located and have been cup jointed deep groove ball bearing (6) on the outer wall of filling up cover (10) both sides symmetrically, install bearing fixing base (19) on the both sides outer wall between deep groove ball bearing (6).

4. The upper trolley bag spreading device of the full-automatic packaging machine according to claim 1, characterized in that: and the outer wall of the first rotating shaft (8) on one side of the bearing fixing seat (19) is sleeved with an end cover (13).

5. The upper trolley bag spreading device of the full-automatic packaging machine according to claim 1, characterized in that: a first internal thread joint bearing (16) is rotatably mounted on the outer wall of one side, located above the first rotating shaft (8), of the bag unfolding swing rod (14), and a mini cylinder (22) is screwed and fixed on the outer wall of one end of the first internal thread joint bearing (16).

6. The upper trolley bag spreading device of the full-automatic packaging machine according to claim 1, characterized in that: install cylinder fixed plate (9) through stroke adjusting nut (5) on the one end outer wall of mini cylinder (22), install first fixed block (20) on the one side outer wall of cylinder fixed plate (9), install on the one side outer wall of first fixed block (20) and wear board screw rod (18).

7. The upper trolley bag spreading device of the full-automatic packaging machine according to claim 1, characterized in that: install first outer top claw (1) on the bottom outer wall of slider (15), and install first interior top claw (2) on the bottom outer wall of another slider (15).

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