CN218662623U - Packagine machine opens bag loading attachment - Google Patents

Abstract

The utility model discloses a bag opening and charging device of a packaging machine, which comprises a frame, a bag body adsorption and transfer mechanism, a bag opening mechanism and a discharging mechanism, wherein the rear end of the frame is provided with a discharging seat plate, the front end of the frame is provided with a transfer base, the front end surface of the discharging seat plate is provided with the bag opening mechanism, and the discharging seat plate above the bag opening mechanism is provided with the discharging mechanism; the bag body adsorption and transfer mechanism comprises a transverse movement driving mechanism and a bag body front adsorption component, the transverse movement driving mechanism is arranged on the transfer base, and the driving end of the transverse movement driving mechanism is provided with the bag body front adsorption component for adsorbing the front end face of the packaging bag; the bag opening mechanism comprises a bag opening driving cylinder fixedly mounted at the rear end of the blanking seat plate, a pair of bag clamping components used for clamping the side edges of the packaging bag and a bag body rear adsorption component used for adsorbing the rear end face of the packaging bag. The utility model discloses an overall structure is more simple, has bag opening and bag clamping function simultaneously concurrently, and whole preparation assembly cost is lower relatively, can also improve whole packing efficiency.

Description

Packagine machine opens bag loading attachment

Technical Field

The utility model relates to a equipment for packing technical field specifically is a packagine machine opens bagging apparatus.

Background

The packaging machine is a machine for packaging products, and plays a role in protection and beauty. The packaging machine mainly comprises 2 aspects: 1. and 2, production line type integral production packaging, and product peripheral packaging equipment. The bag opener for packaging bags in a packaging machine is one of the indispensable mechanisms therein. The structure of the bag opening device of the traditional packaging machine is relatively complex, and the bag opening effect is poor. In order to solve the problems, the Chinese utility model patent (publication date: CN 209834136U, publication date: 2019.12.24) discloses a bag opening device of an automatic packaging machine, which opens a bag of a packaging bag by two groups of sucking discs arranged in front and at the back, and is also provided with an inflating device for improving the bag opening effect.

Although the bag opening effect of the scheme is relatively good, the whole bag opening mechanism is still complex, the bag opening device only realizes the bag opening function, and an additional bag clamping mechanism is required to be configured when the packaging bag is filled subsequently, so that the packaging bag is stably clamped, the packaging bag is prevented from being separated from the sucking disc under the impact of materials, and the overall manufacturing and assembling cost of the packaging machine is increased. Therefore, how to provide a structure more simply, have concurrently simultaneously and open the bag and press from both sides the bag function, whole preparation equipment cost is lower relatively, can improve whole packing efficiency open bag charging devices, become the technical problem that this application needs to solve.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a packagine machine opens bag charging devices to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a bag opening and charging device of a packaging machine comprises a rack, a bag body adsorption and transfer mechanism, a bag opening mechanism and a discharging mechanism, wherein a discharging seat plate is arranged at the rear end of the rack, a transfer base is arranged at the front end of the rack, the bag opening mechanism is arranged on the front end surface of the discharging seat plate, and the discharging mechanism is arranged on the discharging seat plate above the bag opening mechanism;

the bag body adsorption and transfer mechanism comprises a transverse moving driving mechanism and a bag body front adsorption component, the transverse moving driving mechanism is arranged on the transfer base, and the driving end of the transverse moving driving mechanism is provided with the bag body front adsorption component for adsorbing the front end face of the packaging bag;

the bag opening mechanism comprises a bag opening driving cylinder fixedly arranged at the rear end of the blanking seat plate, a pair of bag clamping components used for clamping the side edges of the packaging bag and a bag body rear adsorption component used for adsorbing the rear end face of the packaging bag;

the bag clamping assembly is horizontally matched with the front end face of the blanking seat plate in a sliding mode, and the bag opening driving cylinder synchronously drives the bag clamping assembly and the bag body rear adsorption assembly through the driving assembly.

The packaging bag is sucked and grabbed from the bag warehouse station through the bag front part adsorption component, the bag front part adsorption component moves the packaging bag to the bag opening mechanism under the driving of the transverse moving driving mechanism, the bag clamping component of the bag opening mechanism clamps the side edge of the packaging bag to clamp the packaging bag, and meanwhile, the bag rear part adsorption component of the bag opening mechanism adsorbs the rear end face of the packaging bag;

then, the bag opening driving cylinder contracts, the driving assembly drives the two bag clamping assemblies to approach each other, namely, two sides of the packaging bag approach each other, the driving assembly can drive the rear adsorption assembly of the bag body to move simultaneously, the rear adsorption assembly of the bag body pulls the rear end face of the packaging bag to move backwards, and meanwhile, the front adsorption assembly of the bag body can drive the front end face of the packaging bag to move forwards, so that the bag opening can be completely opened;

after the bag mouth is opened, the material can be filled into the packaging bag through the blanking mechanism.

Preferably, the transverse moving driving mechanism comprises a mechanism fixing seat plate, a transverse moving driving motor, a driving pulley, a driven pulley, a synchronous belt and a transverse moving sliding seat, the mechanism fixing seat plate is fixedly arranged on the transfer machine base, the front end face of the mechanism fixing seat plate is rotatably provided with the driving pulley and the driven pulley, the synchronous belt is sleeved between the driving pulley and the driven pulley, the transverse moving driving motor is fixedly arranged on the front end face of the mechanism fixing seat plate, and the output end of the transverse moving driving motor is in driving connection with the shaft end of the driving pulley;

the transverse moving slide seat is in sliding fit with the front end face of the mechanism fixing seat plate and is fixedly connected with the synchronous belt through a connecting plate.

The transverse moving driving motor drives the driving belt wheel to rotate, the synchronous belt and the driven belt wheel can rotate under the driving of the synchronous belt, and the synchronous belt can pull the transverse moving sliding seat to horizontally transfer on the front end face of the mechanism fixing seat plate.

Preferably, bag anterior adsorption component of body includes anterior adsorption frame, anterior adsorption cylinder, anterior sucking disc mounting bracket and a set of anterior sucking disc, and anterior adsorption frame fixed mounting is on the sideslip slide, and fixed mounting has anterior adsorption cylinder on the anterior adsorption frame, and the flexible end fixed mounting of anterior adsorption cylinder has anterior sucking disc mounting bracket, installs a set of anterior sucking disc that is used for adsorbing and snatchs the wrapping bag on the anterior sucking disc mounting bracket.

Preferably, the driving assembly comprises a rear machine base and a pair of connecting pull rods, and the rear machine base is fixedly arranged at the telescopic end of the bag opening driving cylinder;

the rear engine base is also fixedly provided with a pull rod limiting seat plate, a group of first universal ball heads are fixedly arranged on the pull rod limiting seat plate, and the end part of the connecting pull rod is movably sleeved on the corresponding first universal ball head;

and the side wall of a bag clamping arm of the bag clamping assembly is fixedly provided with a limiting seat sheet, a second universal ball head is fixedly arranged on the limiting seat sheet, and the other end of each connecting pull rod is movably sleeved on the corresponding second universal ball head.

Preferably, bag body rear portion adsorption component includes rear portion sucking disc mounting bracket and a set of rear portion sucking disc, and rear portion sucking disc mounting bracket fixed mounting installs a set of rear portion sucking disc that is used for adsorbing the wrapping bag rear end face on the preceding terminal surface of rear portion frame at rear portion sucking disc mounting bracket.

Preferably, the bag clamping assembly comprises a bag clamping arm, a pair of clamping jaws and a clamping jaw driving cylinder, a bag clamping sliding seat is fixedly mounted at the rear end of the bag clamping arm, and the bag clamping sliding seat is in sliding fit with a transverse sliding guide rail fixed on the front end face of the blanking seat plate;

the front end of pressing from both sides the bag arm is rotated fit and is installed a pair of clamping jaw, and the pivot department of clamping jaw has the tooth piece, connects through tooth piece meshing between two clamping jaws, it has clamping jaw actuating cylinder to rotate to install on the pressing from both sides the bag arm, and clamping jaw actuating cylinder's flexible end is connected with the extension normal running fit of one of them clamping jaw.

Preferably, unloading mechanism includes hopper and unloading promotion cylinder down, and unloading promotion cylinder fixed mounting is terminal surface before the unloading bedplate, and the flexible end of unloading promotion cylinder and the side board fixed connection of hopper down have and are used for inserting the guide of the wrapping bag and insert a section of thick bamboo down.

Preferably, the blanking hopper is further fixedly provided with a material pushing frame, the material pushing frame is fixedly provided with a material pushing cylinder, and a telescopic end of the material pushing cylinder is fixedly provided with a material pushing head used for being inserted into the material guiding insertion cylinder.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the front adsorption component of the bag body can be matched with the transverse moving driving mechanism to adsorb and grab the packaging bag at the station of the bag warehouse and transfer the packaging bag to the bag opening station, and the rear adsorption component of the bag body matched with the bag opening mechanism can realize the bag opening operation of the packaging bag; the additional configuration of a grabbing and transferring mechanism of the packaging bag is not needed;

2. in the bag opening process, the bag clamping assemblies can be close to each other, normal bag opening operation is not influenced, the packaging bag is clamped all the time, after the opening of the packaging bag is completely opened, materials can be filled into the packaging bag through the discharging mechanism, operation is fast and convenient, and overall packaging efficiency is improved.

The utility model discloses an overall structure is more simple, has concurrently simultaneously and opens bag and press from both sides the bag function, and whole preparation assembly cost is lower relatively, can also improve whole packing efficiency.

Drawings

FIG. 1 is a schematic perspective view of a bag opening and loading device of a packaging machine;

fig. 2 is a schematic perspective view of a bag body adsorption and transfer mechanism in a bag opening and loading device of a packaging machine at a first view angle;

FIG. 3 is a schematic perspective view of a second viewing angle of a bag body absorbing and transferring mechanism of the bag opening and loading device of the packaging machine;

FIG. 4 is an enlarged view of a bag opening and loading device A of the packaging machine;

FIG. 5 is a schematic perspective view of a bag opening mechanism and a discharging mechanism of a bag opening and charging device of a packaging machine at a first viewing angle;

FIG. 6 is a schematic cross-sectional view of a bag opening mechanism and a blanking mechanism of a bag opening and loading device of a packaging machine;

FIG. 7 is a schematic perspective view of a bag opening mechanism and a blanking mechanism of the bag opening and loading device of the packaging machine from a second view angle;

fig. 8 is a schematic view of the bag opening process.

In the figure: 100-packaging bag, 200-rack, 201-blanking seat plate, 202-transfer base, 1-blanking mechanism, 11-blanking hopper, 111-guide insert cylinder, 12-blanking push cylinder, 13-push frame, 14-push cylinder, 15-push head, 2-transverse moving driving mechanism, 21-mechanism fixing seat plate, 22-transverse moving driving motor, 23-driving pulley, 24-driven pulley, 25-synchronous belt, 26-transverse moving slide seat, 3-bag front adsorption component, 31-front adsorption base, 32-front adsorption cylinder, 33-front adsorption base, 34-front adsorption cup, 4-bag opening mechanism, 41-bag opening cylinder base, 42-bag opening driving cylinder, 43-rear base, 431-pull rod limit seat plate, 44-rear adsorption base plate, 45-rear adsorption cup, 46-clamping jaw driving cylinder, 47-clamping jaw, bulb-gear block 471, 48-bag clamping arm, 481-limit seat plate, 492-transverse sliding guide rail, 483-limit seat plate, 49-connecting pull rod, second universal joint, and universal joint.

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 all belong to the protection scope of the present invention.

Referring to fig. 1 to 8, a bag opening and loading device of a packing machine includes a frame 200, a bag body adsorption and transfer mechanism, a bag opening mechanism 4 and a loading mechanism 1, and is characterized in that: the rear end of the rack 200 is provided with a blanking seat plate 201, the front end of the rack 200 is provided with a transfer machine base 202, the front end surface of the blanking seat plate 201 is provided with a bag opening mechanism 4, and the blanking seat plate 201 above the bag opening mechanism 4 is provided with a blanking mechanism 1;

the bag body adsorption and transfer mechanism comprises a transverse movement driving mechanism 2 and a bag body front adsorption component 3, the transverse movement driving mechanism 2 is installed on the transfer base 202, and the bag body front adsorption component 3 used for adsorbing the front end face of the packaging bag 100 is installed at the driving end of the transverse movement driving mechanism 2;

the bag opening mechanism 4 comprises a bag opening driving cylinder 42 fixedly arranged at the rear end of the blanking seat plate 201, a pair of bag clamping components for clamping the side edges of the packaging bag 100 and a bag rear adsorption component for adsorbing the rear end face of the packaging bag 100; specifically, the bag opening driving cylinder 42 is fixed on the rear end face of the blanking seat plate 201 through the bag opening cylinder seat 41;

the bag clamping component is horizontally matched with the front end face of the blanking seat plate 201 in a sliding mode, and the bag opening driving air cylinder 42 synchronously drives the bag clamping component and the bag body rear adsorption component through the driving component.

The utility model discloses a theory of operation is: the packaging bag 100 is sucked and grabbed from the bag warehouse station through the bag front part adsorption component 3, the bag front part adsorption component 3 moves the packaging bag 100 to the bag opening mechanism 4 under the driving of the transverse moving driving mechanism 2, the bag clamping component of the bag opening mechanism 4 clamps the side edge of the packaging bag 100 to clamp the packaging bag 100, and meanwhile, the bag rear part adsorption component of the bag opening mechanism 4 adsorbs the rear end face of the packaging bag 100;

then, the bag opening driving cylinder 42 contracts, the driving component drives the two bag clamping components to approach each other, namely, the two sides of the packaging bag 100 approach each other, the driving component can drive the bag rear adsorption component to move at the same time, the bag rear adsorption component pulls the rear end face of the packaging bag 100 to move backwards, and meanwhile, the bag front adsorption component 3 can drive the front end face of the packaging bag 100 to move forwards, so that the bag opening can be completely opened;

after the bag mouth is opened, the material can be filled into the packaging bag 100 through the blanking mechanism 1.

The front adsorption component 3 of the bag body of the utility model can be matched with the transverse moving driving mechanism 2 on one hand, can adsorb and grab the packaging bag 100 at the station of the bag warehouse and transfer the packaging bag 100 to the bag opening station, and on the other hand, the rear adsorption component of the bag body matched with the bag opening mechanism 4 can realize the bag opening operation of the packaging bag 100, so that compared with the prior art, the assembly cost of one set of adsorption component can be saved; in addition, opening the bag in-process, pressing from both sides the bag subassembly and can be close to each other, not only do not influence normal bag operation of opening, still grasp wrapping bag 100 all the time, wrapping bag 100 opening is opened the back completely, can be through unloading mechanism 1 to wrapping bag 100 inside and fill the material, even if the material strikes wrapping bag 100 to some extent, also can not make wrapping bag 100 throw off, and whole operation is swift convenient, is favorable to improving holistic packing efficiency.

The transverse moving driving mechanism 2 comprises a mechanism fixing seat plate 21, a transverse moving driving motor 22, a driving pulley 23, a driven pulley 24, a synchronous belt 25 and a transverse moving slide seat 26, wherein the mechanism fixing seat plate 21 is fixedly arranged on the transfer machine base 202, the front end face of the mechanism fixing seat plate 21 is rotatably provided with the driving pulley 23 and the driven pulley 24, the synchronous belt 25 is sleeved between the driving pulley 23 and the driven pulley 24, the transverse moving driving motor 22 is fixedly arranged on the front end face of the mechanism fixing seat plate 21, and the output end of the transverse moving driving motor 22 is in driving connection with the shaft end of the driving pulley 23;

the transverse sliding seat 26 is in sliding fit with the front end face of the mechanism fixing seat plate 21, and the transverse sliding seat 26 is fixedly connected with the synchronous belt 25 through a connecting plate.

The working principle of the transverse moving driving mechanism 2 is as follows: the traverse driving motor 22 drives the driving pulley 23 to rotate, the synchronous belt 25 and the driven pulley 24 both rotate under the driving of the synchronous belt 25, and the synchronous belt 25 pulls the traverse slide 26 to horizontally transfer on the front end face of the mechanism fixing seat plate 21.

Wherein, anterior adsorption component 3 of the bag body includes anterior adsorption frame 31, anterior adsorption cylinder 32, anterior sucking disc mounting bracket 33 and a set of anterior sucking disc 34, and anterior adsorption frame 31 fixed mounting has anterior adsorption cylinder 32 on sideslip slide 26, and fixed mounting has anterior adsorption cylinder 32 on the anterior adsorption frame 31, and anterior adsorption cylinder 32's telescopic end fixed mounting has anterior sucking disc mounting bracket 33, installs a set of anterior sucking disc 34 that is used for adsorbing and snatchs wrapping bag 100 on the anterior sucking disc mounting bracket 33.

The working principle of the bag front adsorption component 3 is as follows: when the front adsorption component of the bag body is positioned at the station of the bag warehouse, the front adsorption cylinder 32 extends out, so that the front suction cup 34 is attached to the front end face of the packaging bag 100 in the bag warehouse, and the front end face of the packaging bag 100 is adsorbed by the front suction cup 34; then, the front adsorption cylinder 32 is contracted, and the packaging bag 100 can be grabbed out; next, the traverse driving mechanism 2 is activated to transfer the grasped packaging bag 100 to the bag opening station.

Wherein, the driving assembly comprises a rear machine base 43 and a pair of connecting pull rods 49, and the rear machine base 43 is fixedly arranged at the telescopic end of the bag opening driving air cylinder 42;

a pull rod limiting seat plate 431 is fixedly arranged on the rear machine base 43, a group of first universal bulbs 492 is fixedly arranged on the pull rod limiting seat plate 431, and the end part of the connecting pull rod 49 is movably sleeved on the corresponding first universal bulbs 492;

the side wall of the bag clamping arm 48 of the bag clamping assembly is fixedly provided with a limiting seat piece 483, the limiting seat piece 483 is fixedly provided with a second universal ball head 491, and the other end of each connecting pull rod 49 is movably sleeved on the corresponding second universal ball head 491 respectively.

The working principle of the driving assembly is as follows: when the bag opening driving air cylinder 42 contracts, the rear base 43 can be pulled backwards, and the rear base 43 can pull the rear adsorption component of the bag body to move backwards;

at the same time, the rear frame 43 will also move backward with the tie bar seat plate 431, and the tie bar seat plate 431 will pull the bag clamping arm 48 of the corresponding bag clamping assembly through the connecting tie bar 49, so that the two bag clamping assemblies approach each other.

The structural design of this embodiment is compact, and whole equipment cost of manufacture is lower, utilizes one to open the bag actuating cylinder 42 and can the removal of synchronous drive bag clamping component and the bag operation of opening of bag rear portion absorption subassembly.

As a specific solution, the bag body rear portion suction assembly includes a rear portion suction cup mounting bracket 44 and a set of rear portion suction cups 45, the rear portion suction cup mounting bracket 44 is fixedly mounted on the front end surface of the rear portion base 43, and the rear portion suction cups 45 for sucking the rear end surface of the packing bag 100 are mounted on the rear portion suction cup mounting bracket 44.

As a specific scheme, the bag clamping assembly comprises a bag clamping arm 48, a pair of clamping jaws 47 and a clamping jaw driving cylinder 46, wherein a bag clamping sliding seat 481 is fixedly installed at the rear end of the bag clamping arm 48, and the bag clamping sliding seat 481 is in sliding fit with a transverse sliding guide rail 482 fixed on the front end face of the blanking seat plate 201;

the front end of the bag clamping arm 48 is rotatably matched and provided with a pair of clamping jaws 47, a rotating shaft of each clamping jaw 47 is provided with a tooth block 471, the two clamping jaws 47 are meshed and connected through the tooth block 471, the bag clamping arm 48 is rotatably provided with a clamping jaw driving cylinder 46, and the telescopic end of each clamping jaw driving cylinder 46 is rotatably matched and connected with the extending part of one clamping jaw 47.

The working principle of the bag clamping component is as follows: when the bag body front adsorption component 3 moves the packaging bag 100 to the bag opening mechanism 4, the clamping jaws drive the cylinder 46 to extend, the two clamping jaws 47 are driven to synchronously act, the two clamping jaws 47 are closed, and the side edge of the packaging bag 100 is clamped;

when the bag opening driving cylinder 42 contracts, under the action of the driving assembly, the bag clamping arms 48 of the two bag clamping assemblies are close to each other, namely, the two side edges of the packaging bag 100 are close to each other, so that the packaging bag 100 can be conveniently opened to form an approximately circular opening, and the bag opening effect can be greatly improved.

Specifically, unloading mechanism 1 includes hopper 11 and unloading promotion cylinder 12 down, and unloading promotion cylinder 12 fixed mounting is terminal surface before unloading bedplate 201, and the flexible end of unloading promotion cylinder 12 and the side board fixed connection of hopper 11 down have and are used for inserting guide cartridge 111 in the wrapping bag 100 down the hopper 11 lower extreme.

The working principle of the blanking mechanism 1 is as follows: after the bag mouth of the packaging bag 100 is completely opened, the blanking push cylinder 12 is contracted to drive the blanking hopper 11 to move downwards, so that the guide inserting cylinder 111 is inserted into the packaging bag 100, the material can enter the packaging bag 100 through the guide inserting cylinder 111 under the guidance of the blanking hopper 11, and the blanking operation is convenient.

In order to avoid the blocking of the material guiding insertion cylinder 111 by the material, as a further scheme, a material pushing frame 13 is further fixedly installed on the discharging hopper 11, a material pushing cylinder 14 is fixedly installed on the material pushing frame 13, and a material pushing head 15 for being inserted into the material guiding insertion cylinder 111 is fixedly installed at a telescopic end of the material pushing cylinder 14. Through the action of the material pushing cylinder 14, the material pushing head 15 is driven to move back and forth in the material guide inserting cylinder 111, so that the blanking can be assisted, and the material blockage in the material guide inserting cylinder 111 can be effectively avoided.

In the present invention, the terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, and are only the terms determined for convenience of describing the structural relationship of each component or element of the present invention, and are not specific to any component or element of the present invention, and are not to be construed as limiting the present invention.

Claims (8)

1. The utility model provides a packagine machine opens bag charging devices, includes frame (200), the bag body adsorbs transfer mechanism, opens bag mechanism (4) and unloading mechanism (1), its characterized in that: the rear end of the rack (200) is provided with a blanking seat plate (201), the front end of the rack (200) is provided with a transfer machine base (202), the front end surface of the blanking seat plate (201) is provided with a bag opening mechanism (4), and the blanking seat plate (201) above the bag opening mechanism (4) is provided with a blanking mechanism (1);

the bag body adsorption and transfer mechanism comprises a transverse moving driving mechanism (2) and a bag body front adsorption component (3), the transverse moving driving mechanism (2) is installed on a transfer machine base (202), and a bag body front adsorption component (3) used for adsorbing the front end face of the packaging bag (100) is installed at the driving end of the transverse moving driving mechanism (2);

the bag opening mechanism (4) comprises a bag opening driving cylinder (42) fixedly arranged at the rear end of the blanking seat plate (201), a pair of bag clamping components used for clamping the side edges of the packaging bag (100) and a bag body rear adsorption component used for adsorbing the rear end face of the packaging bag (100);

the bag clamping component is horizontally matched with the front end face of the blanking seat plate (201) in a sliding mode, and the bag opening driving air cylinder (42) synchronously drives the bag clamping component and the bag body rear adsorption component through the driving component.

2. A bag opening and filling apparatus for a packing machine according to claim 1, wherein: the transverse moving driving mechanism (2) comprises a mechanism fixing seat plate (21), a transverse moving driving motor (22), a driving pulley (23), a driven pulley (24), a synchronous belt (25) and a transverse moving sliding seat (26), the mechanism fixing seat plate (21) is fixedly arranged on the transfer machine base (202), the driving pulley (23) and the driven pulley (24) are rotatably arranged on the front end face of the mechanism fixing seat plate (21), the synchronous belt (25) is sleeved between the driving pulley (23) and the driven pulley (24), the transverse moving driving motor (22) is fixedly arranged on the front end face of the mechanism fixing seat plate (21), and the output end of the transverse moving driving motor (22) is in driving connection with the shaft end of the driving pulley (23);

the transverse sliding seat (26) is in sliding fit with the front end face of the mechanism fixing seat plate (21), and the transverse sliding seat (26) is fixedly connected with the synchronous belt (25) through a connecting plate.

3. A bag opening and filling apparatus for a packing machine according to claim 2, wherein: bag body front portion adsorption component (3) are including anterior adsorption frame (31), anterior adsorption cylinder (32), anterior sucking disc mounting bracket (33) and a set of anterior sucking disc (34), anterior adsorption frame (31) fixed mounting is on sideslip slide (26), fixed mounting has anterior adsorption cylinder (32) on anterior adsorption frame (31), the flexible end fixed mounting of anterior adsorption cylinder (32) has anterior sucking disc mounting bracket (33), install a set of anterior sucking disc (34) that are used for adsorbing and snatch wrapping bag (100) on anterior sucking disc mounting bracket (33).

4. A bag opening and filling apparatus for a packing machine according to claim 3, wherein: the driving assembly comprises a rear machine base (43) and a pair of connecting pull rods (49), wherein the rear machine base (43) is fixedly arranged at the telescopic end of the bag opening driving cylinder (42);

a pull rod limiting seat plate (431) is further fixedly mounted on the rear machine base (43), a group of first universal bulbs (492) are fixedly mounted on the pull rod limiting seat plate (431), and the end part of the connecting pull rod (49) is movably sleeved on the corresponding first universal bulbs (492);

a limiting seat sheet (483) is fixedly mounted on the side wall of a bag clamping arm (48) of the bag clamping assembly, second universal ball heads (491) are fixedly mounted on the limiting seat sheet (483), and the other end of each connecting pull rod (49) is movably sleeved on the corresponding second universal ball head (491) respectively.

5. The bag opening and charging device of a packing machine according to claim 4, wherein: the bag body rear portion adsorption component includes rear portion sucking disc mounting bracket (44) and a set of rear portion sucking disc (45), and rear portion sucking disc mounting bracket (44) fixed mounting is at the preceding terminal surface of rear portion frame (43), installs a set of rear portion sucking disc (45) that are used for adsorbing wrapping bag (100) rear end face on rear portion sucking disc mounting bracket (44).

6. The bag opening and charging device of a packing machine according to claim 4, wherein: the bag clamping assembly comprises a bag clamping arm (48), a pair of clamping jaws (47) and a clamping jaw driving cylinder (46), a bag clamping sliding seat (481) is fixedly installed at the rear end of the bag clamping arm (48), and the bag clamping sliding seat (481) is in sliding fit with a transverse sliding guide rail (482) fixed on the front end face of the blanking seat plate (201);

a pair of clamping jaws (47) are installed at the front end of a bag clamping arm (48) in a rotating fit mode, a tooth block (471) is arranged at the rotating shaft of each clamping jaw (47), the two clamping jaws (47) are connected through the tooth block (471) in a meshed mode, a clamping jaw driving air cylinder (46) is installed on the bag clamping arm (48) in a rotating mode, and the telescopic end of the clamping jaw driving air cylinder (46) is connected with the extending portion of one clamping jaw (47) in a rotating fit mode.

7. A bag opening and filling apparatus for a packing machine according to claim 1, wherein: unloading mechanism (1) is including unloading hopper (11) and unloading promotion cylinder (12) down, and unloading promotion cylinder (12) fixed mounting is terminal surface before unloading bedplate (201), and the flexible end of unloading promotion cylinder (12) and the side board fixed connection of unloading hopper (11) down have and are used for inserting guide in wrapping bag (100) and insert a section of thick bamboo (111) down hopper (11) lower extreme.

8. The bag opening and charging apparatus of a packing machine according to claim 7, wherein: the feeding hopper (11) is also fixedly provided with a material pushing frame (13), the material pushing frame (13) is fixedly provided with a material pushing cylinder (14), and the telescopic end of the material pushing cylinder (14) is fixedly provided with a material pushing head (15) inserted into the material guiding insertion cylinder (111).

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