Paper box transferring and carrying mechanism

Abstract

The utility model discloses a carton transferring and carrying mechanism, which relates to the technical field of packaging carton transferring equipment and comprises four support legs and a top plate, a lifting mechanism is mounted on the top plate, and the bottom end of the lifting mechanism is connected with a driving mechanism; the bottom of the driving mechanism is connected with a transverse fixing base, and an adjusting mechanism used for controlling the clamping jaws to be opened and closed is installed on the inner side of the transverse fixing base. A plurality of positioning seats are installed at the bottom of the transverse fixing seat at equal intervals, each positioning seat is provided with a clamping jaw assembly, each clamping jaw assembly comprises a first clamping jaw and a second clamping jaw, and the multiple clamping jaw assemblies are connected with the transverse fixing seat through an adjusting mechanism. The multiple paper boxes can be synchronously grabbed, so that the multiple paper boxes are grabbed and transferred at a time, the overall structure is simple, the automation degree is high, and the carrying effect on the paper boxes is high.

Description

Technical Field

[0001] The utility model relates to the technical field of packaging paper box transfer equipment, in particular to a paper box transfer and handling mechanism. Background Art

[0002] A packaging paper box is a common packaging material used to protect goods and facilitate transportation and sales. It is usually made of cardboard or other paper materials. Existing packaging paper boxes are folded when leaving the factory. Before packaging an item, the paper box needs to be unfolded and the bottom sealed. During this process, it is necessary for workers to unfold the paper box, then place it on the conveyor line, fold and seal the bottom of the packaging paper box, then load the item, and finally perform the capping process.

[0003] However, after the existing packaging paper box is unfolded, it is manually transferred to the conveyor line, and then the equipment is used to fold and seal the bottom. The manual operation efficiency is too low. Moreover, on the packaging production line, manual operation transfers the paper boxes one by one. For a planned packaging production line, this operation process is too slow. Therefore, the utility model provides a paper box transfer and handling mechanism. Summary of the Utility Model

[0004] Aiming at the deficiencies of the prior art, the utility model provides a paper box transfer and handling mechanism, which solves the problems put forward in the above background art.

[0005] To achieve the above purposes, the utility model is realized through the following technical solutions: A paper box transfer and handling mechanism includes four legs. The tops of the four legs are jointly connected with a top plate. An elevating mechanism for lifting and adjusting the gripper is installed on the top plate, and the bottom end of the elevating mechanism is connected with a driving mechanism for horizontally adjusting the position of the gripper.

[0006] The bottom of the driving mechanism is connected with a horizontal fixing seat. Horizontally sliding rails are symmetrically installed on the outer side walls of both sides of the horizontal fixing seat. An adjusting mechanism for controlling the opening and closing of the gripper is installed inside the horizontal fixing seat.

[0007] A plurality of positioning seats are equidistantly installed at the bottom of the horizontal fixing seat. Each positioning seat is provided with a gripper assembly. The gripper assembly includes a first gripper and a second gripper. A plurality of gripper assemblies are all connected with the horizontal fixing seat through the adjusting mechanism.

[0008] As a further technical solution of the utility model, the elevating mechanism includes four bushings installed in a rectangle on the surface of the top plate. A limiting slide rod is slidably arranged in each bushing. An elevating electric cylinder is vertically installed in the middle of the surface of the top plate. The telescopic end of the elevating electric cylinder is connected with an elevating seat.

[0009] As a further technical solution of the present utility model, the driving mechanism includes a base and two vertical plates symmetrically installed at the upper end of the base. The tops of the two vertical plates are perpendicularly fixed to both sides of the bottom end of the lifting seat. Two groups of connecting seats are symmetrically arranged on both sides of the bottom of the base. Each group of connecting seats consists of two. The inner sides of the two groups of connecting seats are slidably connected to the transverse slide rail. The transverse fixed seat is slidably connected between the two groups of connecting seats through the transverse slide rail;

[0010] The driving mechanism further includes a transverse driving motor installed on one side of the upper end of the base. The output end of the transverse driving motor is connected to a transverse driving lead screw. A transverse chute is opened on the upper surface of the base between the two vertical plates. A transverse moving seat is threadedly connected to the transverse driving lead screw. The transverse moving seat is located inside the transverse chute and is slidably connected thereto. The bottom end of the transverse moving seat is located inside the middle of the transverse fixed seat and is fixed to its inner wall.

[0011] As a further technical solution of the present utility model, the adjusting mechanism includes a jaw driving motor installed inside the transverse fixed seat and a bidirectional lead screw connected to the output end of the jaw driving motor. A first moving seat and a second moving seat are respectively threadedly connected to the two opposite threaded lead screws of the bidirectional lead screw. Claw adjusting chutes are respectively opened at the inner bottom ends of the transverse fixed seat corresponding to the first moving seat and the second moving seat. The first moving seat and the second moving seat are both slidably connected in the claw adjusting chutes and their bottoms both extend out of the claw adjusting chutes.

[0012] As a further technical solution of the present utility model, the adjusting mechanism further includes a first jaw connecting plate connected to the bottom of the first moving seat and a second jaw connecting plate connected to the bottom of the second moving seat. The first jaw is vertically connected to the middle of one side of the first jaw connecting plate. The second jaw is vertically connected to the middle of one side of the second jaw connecting plate. The first jaw and the second jaw are symmetrically arranged on both sides of the positioning seat;

[0013] Claw moving slide rails are symmetrically installed on both sides of the upper surface of the positioning seat. Chutes adapted to the claw moving slide rails are provided on both sides of the bottom ends of the first jaw connecting plate and the second jaw connecting plate. The first jaw connecting plate and the second jaw connecting plate are both slidably connected to the claw moving slide rails through the chutes.

[0014] As a further technical solution of the present utility model, a first connecting rod is fixed to the upper end of the first jaw connecting plate near the outer side of one side of the transverse fixed seat. A second connecting rod is fixed to the upper end of the second jaw connecting plate near the outer side of the other side of the transverse fixed seat. The first connecting rods are fixed between the first jaw connecting plates on every two adjacent positioning seats. The second connecting rods are fixed between the second jaw connecting plates on every two adjacent positioning seats.

[0015] As a further technical solution of the present utility model, grooves adapted thereto are provided on both sides of the positioning seat corresponding to the first clamping jaw and the second clamping jaw for limiting when the first clamping jaw and the second clamping jaw are close to each other during clamping.

[0016] The present utility model provides a carton transfer and handling mechanism, which has the following beneficial effects compared with the prior art:

[0017] A carton transfer and handling mechanism of this design is provided with multiple clamping jaw assemblies. With the application of the adjustment mechanism, the multiple clamping jaw assemblies can be opened and closed synchronously, enabling the synchronous grasping of multiple cartons. Thus, the transfer and handling of multiple cartons can be completed at one time. Moreover, the height of the clamping jaw assemblies can be controlled by the lifting mechanism to facilitate the grasping of cartons by the clamping jaw assemblies. Secondly, through the operation of the driving mechanism, the grasped cartons can be transported and transferred. Therefore, this design can achieve the grasping and transfer of cartons at one time, replacing the cumbersome traditional manual transfer. Moreover, the overall structure is simple, the degree of automation is high, and the handling effect of cartons is good. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a first perspective view of a carton transfer and handling mechanism;

[0019] Figure 2 It is a second perspective view of a carton transfer and handling mechanism;

[0020] Figure 3 It is a schematic structural view of the driving mechanism in a carton transfer and handling mechanism;

[0021] Figure 4 It is a schematic connection view of the driving mechanism and the horizontal fixing seat in a carton transfer and handling mechanism;

[0022] Figure 5 It is a partial schematic structural view of the adjustment mechanism in a carton transfer and handling mechanism;

[0023] Figure 6 It is a schematic structural view of the adjustment mechanism in a carton transfer and handling mechanism;

[0024] Figure 7 It is a schematic structural view of the adjustment mechanism and the positioning seat in a carton transfer and handling mechanism;

[0025] Figure 8 It is a schematic structural view of the positioning seat and the clamping jaw assembly in a carton transfer and handling mechanism;

[0026] Figure 9 It is a disassembled schematic view of the positioning seat and the clamping jaw assembly in a carton transfer and handling mechanism.

[0027] In the figure: 1, outrigger; 2, top plate; 21, lifting electric cylinder; 22, lifting seat; 3, bushing;

[0028] 4, base; 41, limit slide bar; 42, connecting seat; 43, vertical plate; 44, lateral drive motor; 45, lateral drive lead screw; 46, lateral chute; 47, lateral moving seat;

[0029] 5, lateral fixed seat; 51, lateral slide rail; 52, jaw drive motor; 53, bidirectional lead screw; 54, first moving seat; 55, second moving seat; 56, jaw adjustment chute;

[0030] 6, positioning seat; 61, first jaw connecting plate; 62, second jaw connecting plate; 63, jaw moving slide rail; 64, second jaw; 65, first jaw; 610, first connecting rod; 620, second connecting rod. Specific embodiments

[0031] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0032] Please refer to Figure 1-2 , the present invention provides a technical solution for a carton transfer and handling mechanism: A carton transfer and handling mechanism includes four outriggers 1. The tops of the four outriggers 1 are commonly connected with a top plate 2. An elevating mechanism for lifting and adjusting the jaws is installed on the top plate 2. The elevating mechanism includes four bushings 3 installed in a rectangle on the surface of the top plate 2. A limit slide bar 41 is slidably arranged in each bushing 3. A lifting electric cylinder 21 is vertically installed in the middle of the surface of the top plate 2. The telescopic end of the lifting electric cylinder 21 is connected with a lifting seat 22. During operation, through the telescoping of the lifting electric cylinder 21, the lifting seat 22 can be pushed to drive the driving mechanism to move up and down inside the outrigger 1. Moreover, during lifting, by using the sliding of the four limit slide bars 41 in the bushings 3, the stability during lifting can be ensured.

[0033] Such as Figure 2 And 3As shown in the figure, a drive mechanism for horizontally adjusting the position of the gripper is connected to the bottom end of the lifting mechanism. The drive mechanism includes a base 4 and two vertical plates 43 symmetrically installed at the upper end of the base 4. The tops of the two vertical plates 43 are vertically fixed to both sides of the bottom end of the lifting seat 22. Two sets of connecting seats 42 are symmetrically arranged on both sides of the bottom of the base 4. Each set of connecting seats 42 consists of two, and the four connecting seats 42 are distributed in a rectangle at the bottom of the base 4. The inner sides of the two sets of connecting seats 42 are slidably connected to the horizontal slide rails 51. The horizontal fixed seat 5 is slidably connected between the two sets of connecting seats 42 through the horizontal slide rails 51. By connecting the four connecting seats 42 with the horizontal slide rails 51 on both sides of the horizontal fixed seat 5, it is convenient for the base 4 to drive the horizontal fixed seat 5 to lift when it lifts, thereby indirectly driving multiple gripper assemblies to lift synchronously, so as to facilitate the grasping operation of the paper box;

[0034] As Figure 3 and 4 shown in the figure, the drive mechanism further includes a horizontal drive motor 44 installed on one side of the upper end of the base 4. The output end of the horizontal drive motor 44 is connected to a horizontal drive lead screw 45. A horizontal chute 46 is opened on the upper surface of the base 4 between the two vertical plates 43. A horizontal moving seat 47 is threadedly connected to the horizontal drive lead screw 45. The horizontal moving seat 47 is located inside the horizontal chute 46 and is slidably connected thereto. The bottom end of the horizontal moving seat 47 is located inside the middle of the horizontal fixed seat 5 and is fixed to its inner wall. During operation, when it is necessary to horizontally move the gripper assembly holding the paper box, only need to control the horizontal drive motor 44 to work. The horizontal drive motor 44 drives the horizontal drive lead screw 45 to rotate. Since the horizontal drive lead screw 45 is threadedly connected to the horizontal moving seat 47, when the horizontal drive lead screw 45 rotates, the horizontal moving seat 47 will move linearly on the horizontal drive lead screw 45. Since the bottom of the horizontal moving seat 47 is fixed to the horizontal fixed seat 5, the horizontal moving seat 47 can drive the horizontal fixed seat 5 to move horizontally in a straight line, thereby driving the gripper assembly holding the paper box to move horizontally. And during the horizontal movement, due to the limiting sliding action of the horizontal slide rails 51 and the connecting seats 42, the stability of the horizontal fixed seat 5 during movement can be ensured. It should be noted that the other end of the horizontal drive lead screw 45 is rotatably connected to a shaft seat, and the shaft seat is arranged on the base 4 to provide bearing capacity for the horizontal drive lead screw 45. Moreover, both the horizontal drive motor 44 and the gripper drive motor 52 adopt servo motors that can rotate forward and backward;

[0035] As Figures 5-7As shown in the figure, a horizontal fixed seat 5 is connected to the bottom of the driving mechanism. Horizontal slide rails 51 are symmetrically installed on the outer side walls of both sides of the horizontal fixed seat 5. An adjusting mechanism for controlling the opening and closing of the clamping jaws is installed inside the horizontal fixed seat 5. The adjusting mechanism includes a clamping jaw driving motor 52 installed inside the horizontal fixed seat 5 and a bidirectional lead screw 53 connected to the output end of the clamping jaw driving motor 52. Threads with opposite directions are symmetrically cut on the bidirectional lead screw 53. A first moving seat 54 and a second moving seat 55 are respectively connected to the two threads with opposite directions on the bidirectional lead screw 53. Threaded holes adapted to the two threads with opposite directions are provided on the first moving seat 54 and the second moving seat 55. Claw adjusting sliding grooves 56 are respectively provided at the bottom inside of the horizontal fixed seat 5 corresponding to the first moving seat 54 and the second moving seat 55. The first moving seat 54 and the second moving seat 55 are both slidably connected in the claw adjusting sliding grooves 56 and their bottoms both extend out of the claw adjusting sliding grooves 56. When the first clamping jaw 65 and the second clamping jaw 64 grab the paper box, by controlling the forward rotation of the clamping jaw driving motor 52, the bidirectional lead screw 53 is driven to rotate. When the bidirectional lead screw 53 rotates, the first moving seat 54 and the second moving seat 55 will perform linear movement on the bidirectional lead screw 53. During the movement, the first moving seat 54 and the second moving seat 55 approach each other, thereby driving the first claw connecting plate 61 and the second claw connecting plate 62 to approach each other. Thus, the first claw connecting plate 61 and the second claw connecting plate 62 will respectively drive the first clamping jaw 65 and the second clamping jaw 64 to approach each other to realize the clamping and fixing of the paper box and complete the grabbing operation of the paper box;

[0036] As Figure 9 shown in the figure, a plurality of positioning seats 6 are equidistantly installed at the bottom of the horizontal fixed seat 5. A clamping jaw assembly is provided on each positioning seat 6. The clamping jaw assembly includes a first clamping jaw 65 and a second clamping jaw 64. Grooves adapted to the first clamping jaw 65 and the second clamping jaw 64 are provided on both side faces of the positioning seat 6 corresponding to the first clamping jaw 65 and the second clamping jaw 64 for limiting the position when the first clamping jaw 65 and the second clamping jaw 64 are clamped and approached. When the first clamping jaw 65 and the second clamping jaw 64 approach each other to clamp the paper box, the first clamping jaw 65 and the second clamping jaw 64 are exactly located in the grooves. Thus, it can be ensured that the first clamping jaw 65 and the second clamping jaw 64 will not be displaced during the transportation of the paper box, improving the stability of the paper box grabbing;

[0037] As Figure 8 and 9As shown in the figure, multiple jaw components are all connected to the horizontal fixed seat 5 through adjusting mechanisms. The adjusting mechanisms further include a first jaw connecting plate 61 connected to the bottom of the first moving seat 54 and a second jaw connecting plate 62 connected to the bottom of the second moving seat 55. The first jaw 65 is vertically connected to the middle of one side of the first jaw connecting plate 61, and the second jaw 64 is vertically connected to the middle of one side of the second jaw connecting plate 62. The first jaw 65 and the second jaw 64 are symmetrically arranged on both sides of the positioning seat 6. On both sides of the upper surface of the positioning seat 6, jaw moving sliding rails 63 are symmetrically installed. On both sides of the bottom ends of the first jaw connecting plate 61 and the second jaw connecting plate 62, chutes adapted to the jaw moving sliding rails 63 are provided. The first jaw connecting plate 61 and the second jaw connecting plate 62 are both slidably connected to the jaw moving sliding rails 63 through the chutes. When the first jaw connecting plate 61 and the second jaw connecting plate 62 drive the first jaw 65 and the second jaw 64 to approach each other to grasp the paper box, the lower ends of the first jaw connecting plate 61 and the second jaw connecting plate 62 will slide on the jaw moving sliding rails 63, thereby ensuring the stability when the first jaw 65 and the second jaw 64 approach each other (i.e., the jaws close and clamp).

[0038] As Figure 9 shown, a first connecting rod 610 is fixed at the upper end of the first jaw connecting plate 61 near the outer side of one side of the horizontal fixed seat 5, and a second connecting rod 620 is fixed at the upper end of the second jaw connecting plate 62 near the outer side of the other side of the horizontal fixed seat 5. The first jaw connecting plates 61 on every two adjacent positioning seats 6 are fixed to each other through the first connecting rod 610, and the second jaw connecting plates 62 on every two adjacent positioning seats 6 are fixed to each other through the second connecting rod 620. As Figure 3 shown, the adjacent two first jaw connecting plates 61 are fixed to each other by the first connecting rod 610 and are all located on one side of the horizontal fixed seat 5, while the adjacent two second jaw connecting plates 62 are fixed to each other by the second connecting rod 620 and are all located on the other side of the horizontal fixed seat 5. Secondly, it should be added that the bottom of the first moving seat 54 is connected to one of the first jaw connecting plates 61, and the second moving seat 55 is also connected to one of the second jaw connecting plates 62. Moreover, the first jaw connecting plate 61 and the second jaw connecting plate 62 connected by the first moving seat 54 and the second moving seat 55 are symmetrically arranged on both sides of the positioning seat 6. Thus, when the first moving seat 54 and the second moving seat 55 drive one of the first jaw connecting plate 61 and the second jaw connecting plate 62 to approach each other, under the action of the first connecting rod 610 and the second connecting rod 620, the first jaw connecting plates 61 and the second jaw connecting plates 62 on the remaining positioning seats 6 will be synchronously close to each other, so that multiple jaw components can be synchronously opened and closed (i.e., synchronously grasp the paper box).

[0039] The working principle of the present utility model is as follows: When the carton transfer and handling mechanism of this design is working, by controlling the lifting electric cylinder 21 to extend, the driving mechanism is pushed to descend, further driving the horizontal fixed seat 5 to descend, so that multiple jaw assemblies connected to the bottom of the horizontal fixed seat 5 move downward, and the first jaw 65 and the second jaw 64 of the jaw assembly are respectively located on both sides of the carton;

[0040] Furthermore, control the adjustment mechanism to work, so as to use the adjustment mechanism to control multiple first jaws 65 and second jaws 64 to synchronously close and clamp the carton, thereby completing the grasping of the carton, and then control the lifting electric cylinder 21 to reset, so as to lift the grasped carton;

[0041] Then control the horizontal driving motor 44 to work, drive the horizontal driving lead screw 45 to rotate by using the horizontal driving motor 44, so that the horizontal moving seat 47 drives the horizontal fixed seat 5 to perform a horizontal linear movement, and drive multiple jaw assemblies to move horizontally by using the horizontal fixed seat 5, thereby transferring and handling the grasped carton to a designated position;

[0042] After moving to the designated position, the lifting electric cylinder 21 descends, lowers the carton to the designated position, and then uses the adjustment mechanism to work, controls multiple first jaws 65 and second jaws 64 to open and close synchronously, releases the clamping of the carton, and makes the carton fall to the designated position, then the grasping and transfer of the carton can be realized.

[0043] The above is only the preferred embodiment of the present utility model. It should be noted that for those of ordinary skill in the art in this technical field, without departing from the principle of the present utility model, several improvements and refinements can still be made, and these improvements and refinements should also be regarded as the protection scope of the present utility model. The structures, devices, and operation methods not specifically described and explained in the present utility model, unless otherwise specifically stated and limited, are implemented according to the conventional means in this field.

Claims

1. A carton transfer and handling mechanism, comprising four legs (1), and a top plate (2) is commonly connected to the tops of the four legs (1), characterized in that, A lifting mechanism for lifting and adjusting the gripper is installed on the top plate (2), and a driving mechanism for horizontally adjusting the position of the gripper is connected to the bottom end of the lifting mechanism. The bottom of the driving mechanism is connected to a horizontal fixing base (5). Horizontally sliding rails (51) are symmetrically installed on the outer side walls of both sides of the horizontal fixing base (5), and an adjusting mechanism for controlling the opening and closing of the gripper is installed inside the horizontal fixing base (5). A plurality of positioning seats (6) are equidistantly installed at the bottom of the horizontal fixing base (5). A gripper assembly is provided on each positioning seat (6). The gripper assembly includes a first gripper (65) and a second gripper (64). A plurality of the gripper assemblies are all connected to the horizontal fixing base (5) through the adjusting mechanism.

2. The carton transfer and handling mechanism according to claim 1, wherein, The lifting mechanism includes four bushings (3) installed in a rectangular shape on the surface of the top plate (2). A limit slide bar (41) is slidably arranged in each bushing (3). A lifting electric cylinder (21) is vertically installed in the middle of the surface of the top plate (2), and the telescopic end of the lifting electric cylinder (21) is connected to a lifting seat (22).

3. The carton transfer and handling mechanism according to claim 2, characterized in that, The driving mechanism includes a base (4) and two vertical plates (43) symmetrically installed at the upper end of the base (4). The tops of the two vertical plates (43) are vertically fixed to both sides of the bottom end of the lifting seat (22). Two groups of connecting seats (42) are symmetrically arranged on both sides of the bottom of the base (4). Each group of the connecting seats (42) has two. The inner sides of the two groups of connecting seats (42) are slidably connected to the horizontal sliding rails (51). The horizontal fixing base (5) is slidably connected between the two groups of connecting seats (42) through the horizontal sliding rails (51). The driving mechanism further includes a horizontal driving motor (44) installed on one side of the upper end of the base (4). The output end of the horizontal driving motor (44) is connected to a horizontal driving lead screw (45). A horizontal chute (46) is formed on the upper surface of the base (4) between the two vertical plates (43). A horizontal moving seat (47) is threadedly connected to the horizontal driving lead screw (45). The horizontal moving seat (47) is located inside the horizontal chute (46) and is slidably connected thereto. The bottom end of the horizontal moving seat (47) is located in the middle inside of the horizontal fixing base (5) and is fixed to its inner wall.

4. A carton transfer and handling mechanism according to claim 1, characterized in that, The adjusting mechanism includes a gripper driving motor (52) installed inside the horizontal fixing base (5) and a bidirectional lead screw (53) connected to the output end of the gripper driving motor (52). The bidirectional lead screw (53) is threadedly connected to a first moving seat (54) and a second moving seat (55) respectively. Gripper adjusting chutes (56) are formed at the corresponding positions of the first moving seat (54) and the second moving seat (55) at the bottom end inside the horizontal fixing base (5). The first moving seat (54) and the second moving seat (55) are both slidably connected in the gripper adjusting chutes (56) and their bottoms both extend out of the gripper adjusting chutes (56).

5. A carton transfer and handling mechanism according to claim 4, characterized in that The adjustment mechanism further includes a first jaw connecting plate (61) connected to the bottom of the first moving seat (54) and a second jaw connecting plate (62) connected to the bottom of the second moving seat (55). The first jaw (65) is vertically connected to the middle of one side of the first jaw connecting plate (61), and the second jaw (64) is vertically connected to the middle of one side of the second jaw connecting plate (62). The first jaw (65) and the second jaw (64) are symmetrically arranged on both sides of the positioning seat (6). On both sides of the upper surface of the positioning seat (6), jaw moving slide rails (63) are symmetrically installed. On both sides of the bottom ends of the first jaw connecting plate (61) and the second jaw connecting plate (62), chutes adapted to the jaw moving slide rails (63) are provided. The first jaw connecting plate (61) and the second jaw connecting plate (62) are both slidably connected to the jaw moving slide rails (63) through the chutes.

6. The carton transfer and handling mechanism according to claim 5, characterized in that, Near one outer side of the horizontal fixing seat (5), a first connecting rod (610) is fixed to the upper end of the first jaw connecting plate (61). Near the other outer side of the horizontal fixing seat (5), a second connecting rod (620) is fixed to the upper end of the second jaw connecting plate (62). Between the first jaw connecting plates (61) on every two adjacent positioning seats (6), they are fixed by the first connecting rod (610). Between the second jaw connecting plates (62) on every two adjacent positioning seats (6), they are fixed by the second connecting rod (620).

7. A carton transfer and handling mechanism according to claim 5, characterized in that, On both sides of the positioning seat (6), grooves adapted to the first jaw (65) and the second jaw (64) are provided at positions corresponding to them, for limiting the position when the first jaw (65) and the second jaw (64) are clamped close to each other.

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