CN217995035U - Bagging machine - Google Patents

Abstract

The utility model relates to the technical field of packaging equipment, in particular to a bagging machine, which comprises a frame, wherein a bagging die device, a heating wire cutting device, a plurality of roller lifting and centering clamping devices and a material ejecting trolley are sequentially arranged at the rear side of the upper surface of the frame, and a bag pulling trolley is movably arranged at the front side of the upper surface of the frame; the plurality of roller lifting and centering clamping devices, the material ejecting trolley and the rack are in sliding connection. The utility model discloses simple structure, manufacturing cost is lower, the operation is stable difficult for breaking down, the maintenance is simple swift, can solve manual operation and lead to inefficiency and intensity of labour big and current equipment structure complicacy, with high costs, fault rate scheduling problem, has better economic benefits.

Description

Bagging machine

Technical Field

The utility model relates to a equipment for packing technical field, concretely relates to bagging machine.

Background

The sectional materials such as aluminum materials, plastic pipes, steel pipes and the like are widely applied to buildings and decoration, the sectional materials are long after being processed and formed, and packaging protection measures such as plastic films are required to be carried out on the sectional materials in order to protect the sectional materials from being scratched in the storage and transfer processes. In the prior art, equipment for packaging the long section is complex in structure, high in manufacturing cost and failure rate and difficult to maintain.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a bagging machine which has simple structure, relatively low manufacturing cost, stable operation, difficult failure and simple and quick maintenance.

The utility model discloses the technical scheme who adopts does: the bagging machine comprises a rack, wherein a bagging die device, a heating wire cutting device, a plurality of roller lifting and centering clamping devices and a material ejecting trolley are sequentially arranged on the rear side of the upper surface of the rack, and a bag pulling trolley is movably arranged on the front side of the upper surface of the rack; the plurality of rollers are lifted and centered to clamp the material device, and the material ejecting trolley is connected with the rack in a sliding manner.

The rack comprises a rack body, a first linear bearing guide rail, a second linear bearing guide rail, a first rack, a first linear guide rail, a second linear guide rail and a second rack, wherein the first linear bearing guide rail and the second linear bearing guide rail are arranged on the upper portion of the rack body, the first rack, the first linear guide rail and the second linear guide rail are arranged between the first linear bearing guide rail and the second linear bearing guide rail, and the second rack is arranged between the first linear guide rail and the second linear guide rail.

The bagging die device comprises a bagging die supporting frame, a bagging die lifter arranged on the bagging die supporting frame, a bagging motor connected with the bagging die lifter, a bagging die device bottom plate connected with the bagging die supporting frame through a guide pillar and a guide sleeve, a lifter connecting plate connecting the bagging die device bottom plate with the bagging die lifter, a lower supporting wheel group arranged on the bagging die device bottom plate, an upper pressing wheel group and a bagging die arranged between the lower supporting wheel group and the upper pressing wheel group.

The lower supporting wheel group comprises a lower supporting wheel mounting plate, a plurality of lower supporting wheels, a lower supporting wheel shaft, a lower supporting wheel driving plate and a first bagging cylinder, wherein the lower supporting wheel shaft penetrates through the lower supporting wheels and is arranged on the lower supporting wheel mounting plate;

the upper pinch roller group comprises a plurality of upper pinch rollers, an upper pinch roller shaft mounting plate, an upper pinch roller shaft penetrating through the upper pinch rollers and arranged on the upper pinch roller shaft mounting plate, and a second bag sleeving air cylinder arranged on the panel and used for driving the upper pinch roller shaft to move up and down and driving the upper pinch rollers to move up and down;

and side plates are arranged on two sides of the lower pinch roller set and the upper pinch roller set.

The heater cutting device is symmetrical structure, and it includes cylinder, fixed rod installed part, first fixed rod, second fixed rod, heater, fixed rod installed part one end is connected with the output of cylinder, the other end is connected with first fixed rod, first fixed rod runs through the second fixed rod and sets up the both ends at the second fixed rod, the heater passes through heater tensioning pin and sets up on first fixed rod, be provided with the tensioning spring on the heater tensioning pin the tensioning spring outside is provided with the nut, the second fixed rod carries out spacing fixed through the nut, be provided with the tie between tensioning spring and the first fixed rod, fixed rod installed part one end is connected through cylinder nut with the output of cylinder, the other end passes through hexagonal screwed connection with first fixed rod.

The roller lifting and centering material clamping device comprises a lifting roller base mounting plate, a lifting roller base and a centering material clamping base which are arranged on the lifting roller base mounting plate, a roller driving cylinder connected with the lifting roller base, a centering material clamping cylinder connected with the centering material clamping base, a roller linear bearing sliding block arranged at the bottom of the lifting roller base mounting plate, and small material clamping cylinders arranged at the upper ends of the centering material clamping base.

The lifting roller base mounting plate is provided with a lifting roller base guide rod and a guide sleeve which are connected with the lifting roller base, the lifting roller base mounting plate is provided with a centering material clamping base lifting guide rod and a guide sleeve which are connected with a centering material clamping base, and the centering material clamping cylinder is mounted on the lifting roller base mounting plate through a material clamping cylinder mounting base; the roller linear bearing sliding block is respectively connected with the first linear bearing guide rail and the second linear bearing guide rail in a sliding mode.

The bag pulling trolley comprises a bag pulling seat, a bag pulling mechanism arranged on the bag pulling seat, a gear and a linear guide rail sliding block which are arranged at the bottom of the bag pulling seat, a bag pulling motor and a bag pulling speed reducer which drive the gear to walk along a second rack, wherein the bag pulling trolley is arranged on the rack through the gear and the linear guide rail sliding block, the gear is meshed with the second rack, and the linear guide rail sliding block is respectively connected with a first linear guide rail and a second linear guide rail in a sliding manner;

the bag pulling mechanism comprises a pulling claw assembly arranged on a bag pulling seat through a bag pulling slide rail assembly, the pulling claw assembly is connected with a screw rod, the upper end of the screw rod is connected with a hand wheel, and the height position of the pulling claw assembly can be adjusted through adjusting the hand wheel; the pull claw assembly comprises a clamping claw and a clamping claw cylinder for driving the clamping claw to open and close.

The material ejecting trolley comprises a material ejecting trolley frame, an ejecting gear and a linear bearing sliding block which are arranged at the bottom of the material ejecting trolley frame, an ejecting motor and an ejecting planetary reducer which are connected with the ejecting gear, and an ejecting device arranged on the material ejecting trolley frame; the material ejecting gear is meshed with the first rack, and the linear bearing sliding block is respectively connected with the first linear bearing guide rail and the second linear bearing guide rail in a sliding mode.

The ejection device comprises an ejection travelling mechanism, an ejection plate, an upper top plate and a material pushing cylinder group, wherein the ejection travelling mechanism is arranged on the front side of the ejection trolley frame and reciprocates up and down; the pushing cylinder group pushes the tail end of the workpiece into the sleeve bag rapidly, so that the tail end of the workpiece is prevented from entering the sleeve bag incompletely;

the ejection travelling mechanism comprises an ejection sliding rail fixedly arranged on an ejection trolley frame, an ejection sliding block fixed on the rear side of the ejector plate and connected with the ejection sliding rail in a sliding manner, a lifter for driving the ejector plate to drive the ejection sliding block to reciprocate up and down along the ejection sliding rail, a clamping piece arranged on the front side of the ejector plate, and a clamping cylinder for driving the clamping piece to reciprocate up and down; the clamping cylinder drives the clamping piece to clamp the workpiece;

and an air cylinder protective cover is arranged on the upper part of the material clamping air cylinder.

The four sides of the frame body are provided with a door body, and the bottoms of the supporting legs are provided with foot cups.

The beneficial effects of the utility model reside in that: the utility model discloses simple structure, manufacturing cost is lower, the operation is stable difficult for breaking down, the maintenance is simple swift, can solve manual operation and lead to inefficiency and intensity of labour big and current equipment structure complicacy, with high costs, fault rate scheduling problem, has better economic benefits.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a schematic view of a frame structure;

FIG. 4 is an enlarged view taken at A in FIG. 3;

FIG. 5 is a schematic view of the overall structure of the bagging mold device;

FIG. 6 is a front view of a bagging mold device;

FIG. 7 is a left side view of the bagging mold device;

FIG. 8 is a schematic structural view of a heater cutting device;

FIG. 9 is a front view of the heater cutting device;

FIG. 10 is a schematic structural view of a roller lifting and centering material clamping device;

FIG. 11 is a front view of the roller elevating and centering material clamping device;

FIG. 12 is a top view of the roller elevating and centering material clamping device;

FIG. 13 is a left side view of the drum lifting and centering material clamping device;

FIG. 14 is a schematic structural view of a bag pulling trolley;

FIG. 15 is a left side view of the bag pulling trolley;

FIG. 16 is a front view of the bag pulling cart;

FIG. 17 is a top view of the bag pulling trolley;

FIG. 18 is a schematic structural view of a knockout trolley;

FIG. 19 is a left side view of the knockout trolley;

FIG. 20 is a front view of the ejector trolley;

FIG. 21 is a top view of the topping cart.

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 work belong to the protection scope of the present invention.

As shown in fig. 1 to 21, the present embodiment provides the following technical solutions:

the bagging machine comprises a rack 1, wherein a bagging die device 2, a heating wire cutting device 3, a plurality of roller lifting and centering clamping devices 4 and a material ejecting trolley 6 are sequentially arranged on the rear side of the upper surface of the rack 1, and a bag pulling trolley 5 is movably arranged on the front side of the upper surface of the rack 1; the roller lifting and centering clamping devices 4 and the material ejecting trolley 6 are connected with the rack 1 in a sliding manner.

The rack 1 comprises a rack body 19, a first linear bearing guide rail 11 and a second linear bearing guide rail 12 which are arranged on the upper portion of the rack body 19, a first rack 13, a first linear guide rail 14, a second linear guide rail 15 and a second rack 16, wherein the first rack 13, the first linear bearing guide rail 14 and the second linear bearing guide rail 12 are arranged between the first linear bearing guide rail 11 and the second linear bearing guide rail 12, and the second rack 16 is arranged between the first linear guide rail 14 and the second linear guide rail 15.

The bagging mold device 2 comprises a bagging mold support frame 21, a bagging mold lifter 22 arranged on the bagging mold support frame 21, a bagging motor 23 connected with the bagging mold lifter 22, a bagging mold device bottom plate 24 connected with the bagging mold support frame 21 through a guide pillar 216 and a guide sleeve 217, a lifter connecting plate 215 connecting the bagging mold device bottom plate 24 with the bagging mold lifter 22, a lower carrier roller group arranged on the bagging mold device bottom plate 24, an upper pinch roller group and a bagging mold 218 arranged between the lower carrier roller group and the upper pinch roller group.

The lower riding wheel group comprises a lower riding wheel mounting plate 213, a plurality of lower riding wheels 28, a lower riding wheel shaft 210 which penetrates through the lower riding wheels 28 and is arranged on the lower riding wheel mounting plate 213, a lower riding wheel driving plate 212 connected with the lower riding wheel mounting plate 213, and a first bagging air cylinder 214 for driving the lower riding wheel driving plate 212 to move up and down;

the upper pressing wheel group comprises a plurality of upper pressing wheels 29, an upper pressing wheel shaft mounting plate 26, an upper pressing wheel shaft 211 penetrating through the upper pressing wheels 29 and arranged on the upper pressing wheel shaft mounting plate 26, and a second pocket cylinder 219 arranged on the panel 27 and driving the upper pressing wheel shaft 211 to move up and down to drive the upper pressing wheels 29 to move up and down. The second bagging cylinder 219 controls the lifting of the upper pinch roller set, and mainly functions to change the bagging die 218 and press the bagging die 218; the first bagging cylinder 214 drives the lower supporting roller driving plate 212 to move up and down so as to drive the lower supporting roller 28 to move up and down, and the upper pressing wheel 29 is matched with the lower supporting roller 28 to press the bagging mold 218 and the bag body, so that the bag body can not be pulled backwards when bagging is finished. The working process is as follows: the bag body is manually sleeved on the bag sleeving mold 218, then the lower supporting wheel 28 is placed in the middle position, the upper pressing wheel group is controlled to descend, after the bag is pulled, the bag sleeving mold 218 and the bag body are tightly pressed by the lower supporting wheel group and the upper pressing wheel group, the bag body cannot be pulled backwards, and finally the bag body is cut off by the action of the heating wire cutting device 3.

In order to improve the safety performance, the two sides of the lower carrier wheel group and the upper carrier wheel group are provided with side plates 25.

Heater cutting device 3 is symmetrical structure, and it includes cylinder 31, fixed rod installed part 37, first fixed rod 38, second fixed rod 39, heater 35, fixed rod installed part 37 one end is connected with the output of cylinder 31, the other end is connected with first fixed rod 38, first fixed rod 38 runs through second fixed rod 39 and sets up the both ends at second fixed rod 39, heater 35 sets up on first fixed rod 38 through heater tensioning pin 310, be provided with tensioning spring 311 on heater tensioning pin 310 tensioning spring 311 the outside is provided with nut 34, second fixed rod 39 carries out spacing fixedly through nut 34, be provided with between tensioning spring 311 and the first fixed rod 38 and calmly mediate 36, fixed rod installed part 37 one end is connected through cylinder nut 32 with the output of cylinder 31, the other end passes through hexagonal screw 33 with first fixed rod 38 and is connected.

The roller lifting and centering material clamping device 4 comprises a lifting roller base mounting plate 41, a lifting roller base 44 and a centering material clamping base 45 which are arranged on the lifting roller base mounting plate 41, a roller driving cylinder 49 connected with the lifting roller base 44, a centering material clamping cylinder 48 connected with the centering material clamping base 45, a roller linear bearing slide block 410 arranged at the bottom of the lifting roller base mounting plate 41, and small material clamping cylinders 411 arranged at two upper ends of the centering material clamping base 45.

A lifting roller base guide rod 43 and a guide sleeve 42 which are connected with a lifting roller base 44 are arranged on the lifting roller base mounting plate 41, a centering material clamping base lifting guide rod 46 and a guide sleeve 42 which are connected with a centering material clamping base 45 are arranged on the lifting roller base mounting plate 41, and a centering material clamping cylinder 48 is arranged on the lifting roller base mounting plate 41 through a material clamping cylinder mounting base 47; the roller linear bearing slider 410 is slidably connected to the first linear bearing guide 11 and the second linear bearing guide 12, respectively.

The cylinder driving cylinder 49 extends the cylinder shaft to lift the lifting cylinder seat 44, so as to lift the workpiece to be packaged; the cylinder shaft of the centering material clamping cylinder 48 extends out to lift the centering material clamping seat 45; the small clamping cylinders 411 at the two ends of the upper surface of the centering clamping seat 45 push the centering clamping piece arranged on the upper surface of the centering clamping seat 45 to the middle, and then quickly return to align the workpieces; finally, the centering material clamping seat 45 is quickly lowered, and the remaining lifting roller seat 44 is still in the material supporting work.

The bag pulling trolley 5 comprises a bag pulling seat 51, a bag pulling mechanism 55 arranged on the bag pulling seat 51, a gear 58 and a linear guide rail slider 59 arranged at the bottom of the bag pulling seat 51, a bag pulling motor 57 for driving the gear 58 to travel along the second rack 16, and a bag pulling speed reducer 56, wherein the bag pulling trolley 5 is arranged on the rack 1 through the gear 58 and the linear guide rail slider 59, the gear 58 is meshed with the second rack 16, and the linear guide rail slider 59 is respectively connected with the first linear guide rail 14 and the second linear guide rail 15 in a sliding manner;

the bag pulling mechanism 55 comprises a pulling claw assembly arranged on the bag pulling seat 51 through a bag pulling slide rail assembly 510, the pulling claw assembly is connected with a screw rod 53, the upper end of the screw rod 53 is connected with a hand wheel 511, and the height position of the pulling claw assembly can be adjusted through adjusting the hand wheel; the pull claw assembly comprises a clamping claw 513 and a clamping claw cylinder 512 for driving the clamping claw 513 to open and close; the middle part of the screw 53 is provided with a nut 54.

The material ejecting trolley 6 comprises a material ejecting trolley frame 61, an ejecting gear 65 and a linear bearing slide block 69 which are arranged at the bottom of the material ejecting trolley frame 61, an ejecting motor 67 and an ejecting planetary speed reducer 68 which are connected with the ejecting gear 65, and an ejecting device arranged on the material ejecting trolley frame 61; the material ejecting gear 65 is meshed with the first rack 13, and the linear bearing slider 69 is slidably connected with the first linear bearing guide rail 11 and the second linear bearing guide rail 12 respectively.

The material ejecting device comprises an ejecting traveling mechanism which is arranged on the front side of the material ejecting trolley frame 61 and reciprocates up and down, an ejecting plate 613, an upper top plate 64 arranged on the upper part of the ejecting plate 613 and a material ejecting cylinder group 611 arranged on the rear side of the material ejecting trolley frame 61; the material pushing cylinder group 611 pushes the tail end of the workpiece into the sleeve bag rapidly, so that the tail end of the workpiece is prevented from entering the sleeve bag incompletely;

the material ejecting walking mechanism comprises an ejecting slide rail 62 fixedly arranged on the material ejecting trolley frame 61, an ejecting slide block 614 fixed at the rear side of the ejecting plate 613 and connected with the ejecting slide rail 62 in a sliding manner, a lifter 610 driving the ejecting plate 613 to drive the ejecting slide block 614 to reciprocate up and down along the ejecting slide rail 62, a material clamping piece 63 arranged at the front side of the ejecting plate 613, and a material clamping cylinder 612 driving the material clamping piece 63 to reciprocate up and down; the clamping cylinder 612 drives the clamping piece 63 to clamp the workpiece;

in order to improve the safety performance, a cylinder protective cover 66 is arranged at the upper part of the material clamping cylinder 612.

In order to improve the utility model discloses a convenience and security, four sides of support body 19 are provided with a body 17, and in order to improve stability, frame 1 bottom is provided with foot cup 18.

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. In addition, the terms "up and down, left and right, front and back" and the like as used herein do not denote actual positions but merely indicate relative positions of the respective components.

Claims (10)

1. The bagging machine comprises a rack (1) and is characterized in that a bagging die device (2), a heating wire cutting device (3), a plurality of roller lifting and centering clamping devices (4) and a material ejecting trolley (6) are sequentially arranged on the rear side of the upper surface of the rack (1), and a bag pulling trolley (5) is movably arranged on the front side of the upper surface of the rack (1); the plurality of roller lifting and centering material clamping devices (4) and the material ejecting trolley (6) are connected with the rack (1) in a sliding manner.

2. The bagging machine according to claim 1, wherein the machine frame (1) comprises a frame body (19), a first linear bearing guide rail (11) and a second linear bearing guide rail (12) which are arranged at the upper part of the frame body (19), a first rack (13) arranged between the first linear bearing guide rail (11) and the second linear bearing guide rail (12), a first linear guide rail (14), a second linear guide rail (15), and a second rack (16) arranged between the first linear guide rail (14) and the second linear guide rail (15).

3. The bagging machine according to claim 1, wherein the bagging mold device (2) comprises a bagging mold support frame (21), a bagging mold elevator (22) disposed on the bagging mold support frame (21), a bagging motor (23) connected to the bagging mold elevator (22), a bagging mold device bottom plate (24) connected to the bagging mold support frame (21) by a guide post (216) and a guide sleeve (217), a lift connecting plate (215) connecting the bagging mold device bottom plate (24) to the bagging mold elevator (22), a lower carrier set disposed on the bagging mold device bottom plate (24), an upper pinch roller set, and a bagging mold (218) disposed between the lower carrier set and the upper pinch roller set.

4. The bagging machine according to claim 3, wherein the lower idler set comprises a lower idler mounting plate (213), a plurality of lower idlers (28), a lower idler shaft (210) penetrating the lower idlers (28) and arranged on the lower idler mounting plate (213), a lower idler driving plate (212) connected with the lower idler mounting plate (213), and a first bagging cylinder (214) driving the lower idler driving plate (212) to move up and down;

the upper pressing wheel group comprises a plurality of upper pressing wheels (29), an upper pressing wheel shaft mounting plate (26), an upper pressing wheel shaft (211) penetrating through the upper pressing wheels (29) and arranged on the upper pressing wheel shaft mounting plate (26), and a second bag sleeving air cylinder (219) arranged on the panel (27) and used for driving the upper pressing wheel shaft (211) to move up and down and driving the upper pressing wheels (29) to move up and down;

and side plates (25) are arranged on two sides of the lower pinch roller set and the upper pinch roller set.

5. The bagging machine according to claim 1, wherein the heating wire cutting device (3) is of a symmetrical structure and comprises a cylinder (31), a fixing rod mounting piece (37), a first fixing rod (38), a second fixing rod (39) and a heating wire (35), one end of the fixing rod mounting piece (37) is connected with the output end of the cylinder (31), the other end of the fixing rod mounting piece is connected with the first fixing rod (38), the first fixing rod (38) penetrates through the second fixing rod (39) and is arranged at two ends of the second fixing rod (39), the heating wire (35) is arranged on the first fixing rod (38) through a heating wire tensioning pin (310), a tensioning spring (311) is arranged on the heating wire tensioning pin (310), a nut (34) is arranged on the outer side of the tensioning spring (311), the second fixing rod (39) is limited and fixed through the nut (34), a leveling medium (36) is arranged between the tensioning spring (311) and the first fixing rod (38), one end of the fixing rod mounting piece (37) is connected with the output end of the cylinder (31) through a hexagonal screw (32) and the other end of the first fixing rod (38).

6. The bagging machine according to claim 4, wherein the roller lifting and centering material clamping device (4) comprises a lifting roller base mounting plate (41), a lifting roller base (44) and a centering material clamping base (45) which are arranged on the lifting roller base mounting plate (41), a roller driving cylinder (49) connected with the lifting roller base (44), a centering material clamping cylinder (48) connected with the centering material clamping base (45), a roller linear bearing slide block (410) arranged at the bottom of the lifting roller base mounting plate (41), and small material clamping cylinders (411) arranged at two ends of the upper surface of the centering material clamping base.

7. The bagging machine according to claim 6, wherein the lifting roller base mounting plate (41) is provided with a lifting roller base guide rod (43) and a guide sleeve (42) connected with a lifting roller base (44), the lifting roller base mounting plate (41) is provided with a centering material clamping base lifting guide rod (46) and a guide sleeve (42) connected with a centering material clamping base (45), and the centering material clamping cylinder (48) is mounted on the lifting roller base mounting plate (41) through a material clamping cylinder mounting base (47); the roller linear bearing sliding block (410) is respectively connected with the first linear bearing guide rail (11) and the second linear bearing guide rail (12) in a sliding mode.

8. The bagging machine according to claim 1, wherein the bag pulling trolley (5) comprises a bag pulling seat (51), a bag pulling mechanism (55) arranged on the bag pulling seat (51), a gear (58) and a linear guide rail slider (59) arranged at the bottom of the bag pulling seat (51), a bag pulling motor (57) and a bag pulling speed reducer (56) which drive the gear (58) to travel along a second rack (16), the bag pulling trolley (5) is arranged on the machine frame (1) through the gear (58) and the linear guide rail slider (59), wherein the gear (58) is meshed with the second rack (16), and the linear guide rail slider (59) is respectively connected with the first linear guide rail (14) and the second linear guide rail (15) in a sliding manner;

the bag pulling mechanism (55) comprises a pulling claw assembly arranged on the bag pulling seat (51) through a bag pulling sliding rail assembly (510), the pulling claw assembly is connected with a screw rod (53), the upper end of the screw rod (53) is connected with a hand wheel (511), and the height position of the pulling claw assembly can be adjusted through adjusting the hand wheel; the pull claw assembly comprises a clamping claw (513) and a clamping claw cylinder (512) for driving the clamping claw (513) to open and close.

9. The bagging machine according to claim 1, wherein the ejection trolley (6) comprises an ejection trolley frame (61), an ejection gear (65) and a linear bearing slide block (69) which are arranged at the bottom of the ejection trolley frame (61), an ejection motor (67) and an ejection planetary reducer (68) which are connected with the ejection gear (65), and an ejection device which is arranged on the ejection trolley frame (61); the material ejecting gear (65) is meshed with the first rack (13), and the linear bearing sliding block (69) is in sliding connection with the first linear bearing guide rail (11) and the second linear bearing guide rail (12) respectively.

10. The bagging machine according to claim 9, wherein the ejecting device comprises an ejecting traveling mechanism which is arranged on the front side of the ejecting trolley frame (61) and reciprocates up and down, an ejecting plate (613), an upper top plate (64) arranged on the upper part of the ejecting plate (613), and an ejecting cylinder group (611) arranged on the rear side of the ejecting trolley frame (61); the material pushing cylinder group (611) pushes the tail end of the workpiece into the sleeve bag rapidly, so that the tail end of the workpiece is prevented from entering the sleeve bag incompletely;

the ejection travelling mechanism comprises an ejection sliding rail (62) fixedly arranged on the ejection trolley frame (61), an ejection sliding block (614) fixed on the rear side of an ejection plate (613) and connected with the ejection sliding rail (62) in a sliding manner, a lifter (610) driving the ejection plate (613) to drive the ejection sliding block (614) to reciprocate up and down along the ejection sliding rail (62), a clamping piece (63) arranged on the front side of the ejection plate (613), and a clamping cylinder (612) driving the clamping piece (63) to reciprocate up and down; the clamping cylinder (612) drives the clamping piece (63) to clamp the workpiece;

and the upper part of the clamping cylinder (612) is provided with a cylinder protective cover (66).

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