CN212048116U

CN212048116U - Automatic bag opening device for packaging bags

Info

Publication number: CN212048116U
Application number: CN202020578771.XU
Authority: CN
Inventors: 李艳伟; 赵立平; 赵尊玄; 张天俊; 杨贺程
Original assignee: Yantai Kaibo Automation Technologies Co ltd
Current assignee: Yantai Kaibo Automation Technologies Co ltd
Priority date: 2020-04-17
Filing date: 2020-04-17
Publication date: 2020-12-01
Anticipated expiration: 2030-04-17

Abstract

The utility model belongs to the technical field of the equipment for packing technique and specifically relates to an automatic bag device that shifts of wrapping bag. The automatic bag opening device for the packaging bags comprises a rack, an upper bag pre-opening mechanism, a lower bag pre-opening mechanism, a tensioning transfer mechanism and a bag opening mechanism, wherein the upper bag pre-opening mechanism transfers the packaging bags to the lower bag pre-opening mechanism, the upper bag pre-opening mechanism, the lower bag pre-opening mechanism and the tensioning mechanism are matched to open the bag openings of the packaging bags, the bag opening mechanism expands the opened bag openings of the packaging bags, and the bag openings are closed through the tensioning transfer mechanism after materials are filled into the packaging bags and the packaging bags are transferred to the next process. The utility model discloses an automatic bag device of opening that shifts of wrapping bag, the wrapping bag is difficult for dropping at the transfer in-process, and transfer efficiency is high, and structural design is reasonable, and degree of standardization is high, and the wrapping bag is opened the bag in-process and the wrapping bag can effectively be guaranteed by the position of centre gripping, wrapping bag open-ended size homoenergetic, ensures that the transfusion system packs into the bag smoothly, and equipment long-term steady operation, the fault rate is low.

Description

Automatic bag opening device for packaging bags

Technical Field

The utility model belongs to the technical field of the equipment for packing technique and specifically relates to an automatic bag device that shifts of wrapping bag.

Background

The infusion apparatus is a common medical consumable, and a channel between a vein and liquid medicine is established through aseptic treatment for intravenous infusion. The automation degree of infusion set production is very high, but the automation degree of infusion set packaging still has a lot of shortcomings. Automatic bag opening of wrapping bag is the important process in the automatic packaging process of transfusion system, and this process is mainly that the opening with the wrapping bag of taking off on the automatic bagging apparatus of getting of wrapping bag is opened, is convenient for pack the transfusion system of winding into the bag, and the automatic bag mechanism of opening in the automatic equipment for packing of current transfusion system mainly has following not enoughly: (1) the packaging bag is easy to fall off in the transferring process, so that the working efficiency is influenced; (2) the structure is unreasonable, the standardization degree is low, the angle in the opening process of the packaging bag and the opening size of the opening of the packaging bag cannot be guaranteed, so that the infusion apparatus cannot be smoothly packed into the bag, and the production efficiency and the aseptic production are greatly influenced; (3) the equipment can not stably run for a long time, and the failure rate is high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatic sack filling device that shifts of wrapping bag overcomes not enough among the aforementioned prior art, and the wrapping bag is difficult for dropping at the transfer in-process, and transfer efficiency is high, and structural design is reasonable, and degree of standardization is high, and the wrapping bag is opened in-process in the wrapping bag and can be effectively guaranteed by position, the wrapping bag open-ended size homoenergetic of centre gripping, ensures that the transfusion system packs into the bag smoothly, and equipment long-term steady operation, the fault rate is low.

The utility model provides a technical scheme that its technical problem adopted is:

an automatic bag transferring and opening device for packaging bags comprises a rack, an upper bag pre-opening mechanism, a lower bag pre-opening mechanism, a tensioning transfer mechanism and a bag opening mechanism, wherein an upper sliding rail for mounting the upper bag pre-opening mechanism is arranged at the top end of the rack; go up in advance the bagging-off mechanism with the wrapping bag shift to under advance the bagging-off mechanism on, go up in advance the bagging-off mechanism, under advance the bagging-off mechanism and the tensioning transfer mechanism cooperation opens the wrapping bag sack, open the sack mechanism and expand open wrapping bag sack, the material is packed into and is moved to next process through tensioning transfer mechanism closed sack after the wrapping bag, can long-term steady operation between the equipment, the fault rate is low, the standardization level of packing is high, the success rate is high.

Furthermore, the upper bag pre-opening mechanism comprises a transfer top frame, a lifting cylinder, an installation crossbeam and an upper adsorption assembly, the transfer top frame is installed on the upper slide rail and can move on the upper slide rail along the X-axis direction, the lifting cylinder is installed at the lower end of the transfer top frame, the lower end of the lifting cylinder is connected with the installation crossbeam, a plurality of upper adsorption assemblies are arranged on the installation crossbeam at intervals, and each upper adsorption assembly can adsorb one packaging bag from the automatic bag taking device; the upper adsorption component comprises an upper pre-opening support plate, an upper pre-opening transverse plate, an upper pre-opening linear bearing, an upper pre-opening guide shaft, an upper pre-opening spring, an upper pre-opening mounting plate, an upper pre-opening sucker, an upper pressing plate and an upper pressing plate, the upper pre-opening support plate is vertically mounted on the mounting cross beam, the middle part of the upper pre-opening support plate is horizontally provided with the upper pre-opening transverse plate, the upper pre-opening linear bearing is vertically mounted on the upper pre-opening transverse plate, the upper pre-opening guide shaft is mounted in the upper pre-opening linear bearing, the lower end of the upper pre-opening guide shaft is provided with the upper pre-opening mounting plate, the outer wall of the upper pre-opening guide shaft positioned between the upper pre-opening transverse plate and the upper pre-opening mounting plate is sleeved with the upper pre-opening spring, the lower end of the upper pre-opening mounting plate is provided with the upper pressing plate, the lower end of the upper pressing plate is provided with the horizontal, the lower end of the upper pre-opened sucker extends out of the upper pre-opened sucker through hole; go up in advance a bag mechanism when using at first wholly along last slide rail to get bag mechanism department automatically, the lift cylinder stretches out downwards for go up in advance open the wrapping bag that the sucking disc adsorbs the automatic bag device of getting and take off, then the lift cylinder upwards contracts, goes up in advance a bag mechanism wholly along last slide rail and slide to under in advance directly over a bag mechanism, the lift cylinder stretches out once more, places the wrapping bag under in advance a bag mechanism.

Further, go up the adsorption component and still include the sucking disc bedplate, sucking disc bedplate level sets up in the lower extreme of last pre-opened backup pad, and the interval is installed on the sucking disc bedplate and is pre-opened the sucking disc, and the lower terminal surface that pre-opened the sucking disc on the last pre-opened sucking disc on the sucking disc bedplate and the last mounting panel of pre-opened on is located same horizontal plane, ensures that the wrapping bag is adsorbed stably and shifts to do benefit to and prevent that the wrapping bag from dropping at the transfer in-process.

Furthermore, the upper pre-opened sucker on the sucker seat plate and the upper pre-opened sucker on the upper pre-opened mounting plate are both locked and mounted through nuts, so that the position of the upper pre-opened sucker can be conveniently adjusted according to actual conditions; the upper flattening adjusting plate is provided with a strip hole, the upper pressing plate adjusting plate is locked and fixed on the upper pre-opening mounting plate through a bolt penetrating through the strip hole, and the position of an upper flattening plate at the lower end of the upper flattening adjusting plate is adjusted through the position of the adjusting bolt in the strip hole, so that the upper flattening adjusting plate and the position of the upper pre-opening sucker are matched all the time.

Furthermore, the transfer top frame comprises a transfer sliding plate, a transfer vertical plate, a lifting cylinder seat plate, lifting linear bearings, lifting guide shafts, lifting top cylinders and a transfer connecting plate, wherein slide blocks matched with the upper slide rails are arranged at two ends of the transfer top frame, the transfer vertical plate is symmetrically arranged at the lower end of the transfer top frame, the lower end of the transfer vertical plate is fixedly connected with the lifting cylinder seat plate, a cylinder barrel of the lifting cylinder is arranged between the transfer sliding plate and the lifting cylinder seat plate, a piston rod of the lifting cylinder penetrates out of the lifting cylinder seat plate and then is connected with the transfer connecting plate, the transfer connecting plate is arranged on the mounting cross beam, the lifting linear bearings are vertically arranged on the lifting cylinder seat plate, the lifting guide shafts are arranged on the upper end face of the transfer connecting plate, the upper ends of the lifting guide shafts penetrate into the lifting linear bearings, the lifting top cylinders are also arranged between the transfer sliding plate and, the stability of the bag pre-opening mechanism in the operation process is ensured, and the stability of the beam and the upper adsorption component mounted in the telescopic process of the lifting cylinder is improved.

Further, the lower pre-bag opening mechanism comprises a bag support assembly and a lower pre-bag opening assembly, the bag support assembly is mounted at the front end of the mounting frame of the lower pre-bag opening mechanism, and the lower pre-bag opening assembly is mounted at the rear end of the mounting frame of the lower pre-bag opening mechanism; the bag support component comprises a bag support air cylinder seat plate, a bag support air cylinder, a bag support seat plate, a bag support bracket and a bag supporting plate, wherein the bag support air cylinder seat plate is vertically arranged on the front end face of the lower bag pre-opening mechanism mounting frame; the lower pre-opening bag component comprises a lower pre-opening air cylinder seat plate, a lower pre-opening air cylinder, a lower pre-opening mounting plate, a lower pre-opening linear bearing, a lower pre-opening guide shaft, a lower pre-opening sucker, a lower pre-opening spring, a lower pressing flat plate, a lower pressing flat adjusting plate and a lower sucker mounting plate, wherein the lower pre-opening air cylinder seat plate is vertically mounted at the rear end of the lower pre-opening bag mechanism mounting frame, a cylinder barrel of the lower pre-opening air cylinder is mounted on the lower pre-opening air cylinder seat plate, the upper end of a piston rod of the lower pre-opening air cylinder is horizontally mounted with the lower pre-opening mounting plate, the lower pre-opening linear bearing is mounted on the lower pre-opening mounting plate, the lower pre-opening guide shaft is mounted in the lower pre-opening linear bearing, the lower sucker mounting plate is mounted at the upper end of the lower pre-opening guide shaft, the lower pre-opening spring is sleeved on the outer wall of the lower pre-opening guide shaft between the lower sucker mounting plate and the lower pre-opening mounting plate, an upward pre-opened sucker is arranged on the lower sucker mounting plate, a pre-opened sucker through hole is formed in the lower pressing plate, the upper end of the pre-opened sucker extends out of the pre-opened sucker through hole, and a pre-opened limiting jackscrew is further arranged on the pre-opened lower mounting plate; the upper bag pre-opening mechanism places the adsorbed packaging bag on the lower pressing flat plate and the bag supporting plate of the lower bag pre-opening mechanism, so that the upper pre-opening sucker is adsorbed on the upper surface of the packaging bag, and the lower pre-opening sucker is adsorbed on the lower surface of the packaging bag to prepare for opening the bag.

Furthermore, the lower pre-opening sucker is locked and installed on the lower sucker installation plate through a nut, a long hole is formed in the lower flattening adjustment plate, the lower flattening adjustment plate is locked on the lower sucker installation plate through a bolt penetrating through the long hole, and the positions of the lower pre-opening sucker and the lower flattening adjustment plate are flexibly adjusted according to actual working conditions.

Furthermore, tensioning shifts the mechanism and includes slide subassembly and centre gripping subassembly, and the slide unit mount is installed on tensioning shifts the mechanism mounting bracket and can be followed Y axle direction and slided on tensioning shifts the mechanism mounting bracket, and tensioning shifts the main part that the mechanism mounting bracket stretches out the frame, and centre gripping unit installs on the slide subassembly and can follow X axle direction and slide on the slide subassembly.

The clamping assembly comprises a tensioning air claw seat plate, a tensioning air claw, a tensioning seat plate, a bag clamping claw adjusting plate, a bag clamping claw mounting vertical plate, a bag clamping claw, a tensioning limiting plate, a tensioning limiting jackscrew, a material supporting plate, a bag pressing mounting vertical plate, a bag pressing slide rail, a bag pressing air cylinder, a bag pressing slide plate, a bag pressing push plate and a bag pressing plate, wherein the tensioning air claw is mounted at the upper end of the tensioning air claw seat plate, the tensioning seat plate is symmetrically arranged at two ends of the tensioning air claw, the two tensioning seat plates are close to or far away from each other along with the action of the tensioning air claw, the tensioning limiting plate and the bag clamping claw adjusting plate are mounted at the upper end of the tensioning seat plate, the tensioning limiting plate is located at one end, close to the inner side of the tensioning air claw, of the bag clamping claw adjusting plate is located at one end, close to the outer side of the tensioning air claw, of the bag clamping claw adjusting plate extends out of the tensioning seat plate, and the bag clamping claw adjusting plate The claw is provided with a vertical plate, the inner side of the tail end of the bag clamping claw mounting vertical plate is provided with a bag clamping claw which is used for clamping bag bodies on two sides of the opening of the packaging bag, the end surface of the tensioning gas claw seat plate facing the bag clamping claw is provided with a bag pressing mounting vertical plate, the end surface of the bag pressing mounting vertical plate facing the bag clamping claw is provided with a bag pressing slide rail, the bag pressing slide rail is provided with a bag pressing slide plate, the top surface of the bag pressing mounting vertical plate is provided with a bag pressing push plate, the top of a piston rod of a bag pressing air cylinder is fixedly connected with the bag pressing push plate, a cylinder barrel of the bag pressing air cylinder is fixedly connected with the bag pressing slide plate, the end surface of the cylinder barrel of the bag pressing air cylinder facing the bag clamping claw is provided with a horizontally arranged bag pressing plate, a material supporting plate is positioned at the lower end of the bag pressing plate, one end of the material supporting plate far away, a through hole for a bag pressing cylinder and a bag pressing sliding plate to penetrate through is formed in one end, far away from the bag clamping claw, of the material supporting plate, and an opening matched with a bag supporting plate of the lower bag pre-opening mechanism is formed in one end, close to the bag clamping claw, of the material supporting plate; when the upper pre-opened sucker is adsorbed on the upper surface of the packaging bag and the lower pre-opened sucker is adsorbed on the lower surface of the packaging bag, the clamping assembly moves along the sliding seat assembly until the material supporting plate is clamped with the bag supporting plate, the bag body of the packaging bag is supported by the bag supporting plate and the material supporting plate, the bag clamping claws clamp the edges of two sides of the bag opening, then the lower pre-opened cylinder moves downwards, the lifting cylinder moves upwards, the tensioning seat plate on the tensioning air claw is close to each other, the bag opening of the packaging bag is retracted so as to pre-open a certain gap, then the bag opening is opened to a required size through the bag opening mechanism, the wound infusion apparatus is filled into the bag, the bag pressing cylinder acts, the cylinder barrel of the bag pressing cylinder drives the bag pressing plate to move downwards to limit the packaging bag and the infusion apparatus inside the packaging bag, otherwise, the infusion apparatus is easily driven by the mechanism in the bag, the tensioning air claw acts to enable the tensioning seat plate on the tensioning air claw to be away from each other, the bag opening of the packaging bag is closed, the clamping assembly moves to be separated from the lower bag pre-opening mechanism along the sliding seat assembly, the whole tensioning transfer mechanism moves out of the rack along the mounting frame of the tensioning transfer mechanism, and the packaging bag clamped by the clamping assembly and having the closed bag opening is transferred to the next procedure.

Furthermore, the slide subassembly is including shifting the slide, shift the cylinder and shift the connecting plate, the lower terminal surface that shifts the slide is provided with the slider with tensioning transfer mechanism mounting bracket matched with, shifts the slide and sets up in the up end that shifts the slide, the lower terminal surface that shifts the connecting plate is provided with the slider with shifting slide matched with, the up end that shifts the connecting plate is connected with the lower terminal surface of tensioning gas claw bedplate, the one end of shifting the cylinder is fixed on shifting the slide the other end and is fixed on tensioning gas claw bedplate, the flexible centre gripping subassembly that drives of shifting the cylinder wholly moves along shifting the slide for centre gripping subassembly and lower bag mechanism cooperation installation or break away from under the bag mechanism of opening in advance completely.

Further, the bag opening mechanism comprises an opening bottom plate, an opening slide rail, an opening slide plate, an opening vertical plate, an opening cylinder seat plate, an opening cylinder, a lower opening seat plate, a lower opening pressing plate, an upper opening cylinder, an upper opening seat plate and an upper opening pressing plate, the opening bottom plate is fixedly arranged on a bag opening mechanism mounting frame, the opening slide rail is arranged on the upper end surface of the opening bag bottom plate along the X-axis direction, the opening slide plate is arranged on the opening slide rail, the opening cylinder seat plate is arranged at the rear end of the upper end surface of the opening bottom plate, one end of the opening cylinder is connected with the opening cylinder seat plate, the other end of the opening cylinder is connected with the opening slide plate, the opening slide plate can be driven by the expansion of the opening cylinder to be close to or far away from the bag pre-opening mechanism downwards, the opening vertical plate is vertically arranged on the upper end surface of the opening slide, the upper end face of the lower opening seat plate is provided with a lower opening pressing sheet extending downwards to the bag pre-opening mechanism, the lower opening seat plate is provided with a through hole, a piston rod of an upper opening cylinder penetrates through the through hole of the lower opening seat plate and then is fixedly connected with the horizontally arranged upper opening seat plate, and the lower end face of the upper opening seat plate is provided with an upper opening pressing sheet extending downwards to the bag pre-opening mechanism; when the bag opening of the packaging bag is opened by the synchronous matching action of the lower bag pre-opening mechanism, the upper bag pre-opening mechanism and the tensioning transfer mechanism, the opening air cylinder pushes the opening sliding plate to move towards the opening of the packaging bag, so that the upper opening pressing sheet and the lower opening pressing sheet are inserted into the gap of the bag opening of the packaging bag, and then the lower opening air cylinder contracts when the upper opening air cylinder extends out, so that the bag opening is opened to the required size.

Further, a lower opening linear bearing is further installed on the opening vertical plate, a lower opening guide shaft is installed on the lower opening seat plate and extends into the lower opening linear bearing seat, and a lower opening limiting jackscrew is further installed on the upper end face of the lower opening seat plate.

The utility model has the advantages that: compared with the prior art, the utility model discloses an automatic bag device that shifts of wrapping bag has following advantage: (1) the device has the advantages that the whole structure is stable, the stability in the operation process is strong, the packaging bag is not easy to drop in the transfer process, and the transfer efficiency is high; (2) the structure design is reasonable, the standardization degree is high, the clamped position of the packaging bag and the opening size of the packaging bag can be effectively ensured in the bag opening process of the packaging bag, and the transfusion device can be ensured to be smoothly loaded into the bag; (3) the equipment runs stably for a long time, and the failure rate is low.

Drawings

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

FIG. 2 is an enlarged schematic view of the overall structure of the bag pre-opening mechanism of the present invention;

FIG. 3 is an enlarged schematic view of the upper adsorption assembly of the upper bag pre-opening mechanism of the present invention;

fig. 4 is an enlarged schematic view of the structure of the bag support component of the lower bag pre-opening mechanism of the present invention;

fig. 5 is an enlarged schematic view of the structure of the lower pre-bag opening assembly of the lower pre-bag opening mechanism of the present invention;

fig. 6 is an enlarged schematic view of another angle structure of the lower pre-bag opening assembly of the lower pre-bag opening mechanism of the present invention;

FIG. 7 is an enlarged schematic view of the overall structure of the lower bag pre-opening mechanism of the present invention in the installation state;

fig. 8 is an enlarged schematic view of the overall structure of the tensioning and transferring mechanism of the present invention;

fig. 9 is an enlarged schematic view of a first angular structure of the clamping assembly of the tensioning and transferring mechanism of the present invention;

fig. 10 is an enlarged schematic view of a second angular structure of the clamping assembly of the tensioning and transferring mechanism of the present invention;

fig. 11 is an enlarged schematic view of a third angle structure of the clamping assembly of the tensioning and transferring mechanism of the present invention;

fig. 12 is an enlarged schematic view of the overall structure of the tension transfer mechanism of the present invention in an installation state;

FIG. 13 is an enlarged view of the structure of the bag opening mechanism of the present invention;

fig. 14 is an enlarged schematic view of another angle structure of the bag opening mechanism of the present invention;

wherein, 1 machine frame, 2 upper bag pre-opening mechanism, 21 transfer top frame, 211 transfer sliding plate, 212 transfer vertical plate, 213 lifting cylinder seat plate, 214 lifting linear bearing, 215 lifting guide shaft, 216 lifting top cylinder, 217 transfer connecting plate, 22 lifting cylinder, 23 installation beam, 24 upper adsorption component, 241 upper pre-opening support plate, 242 upper pre-opening transverse plate, 243 upper pre-opening linear bearing, 244 upper pre-opening guide shaft, 245 upper pre-opening spring, 246 upper pre-opening installation plate, 247 upper pre-opening suction cup, 248 upper pressing plate, 249 upper pressing regulation plate, 2410 suction cup seat plate, 3 lower pre-opening bag mechanism, 31 bag support component, 311 bag support cylinder seat plate, 312 bag support cylinder, 313 bag support seat plate, 314 bag support bracket, 315 bag support plate, 32 lower pre-opening bag component, 321 lower pre-opening cylinder seat plate, 322 lower pre-opening cylinder, 323 lower pre-opening installation plate, 324 lower pre-opening linear bearing, 325 lower pre-opening guide shaft, 326 lower pre-opening suction cup, 327 lower pre-opening spring, 328 lower pressing plate, 329 lower pressing adjustment plate, 3210 lower suction cup mounting plate, 3211 lower pre-opening limit jackscrew, 4 tensioning transfer mechanism, 41 sliding seat assembly, 411 transfer sliding plate, 412 transfer sliding rail, 413 transfer cylinder, 414 transfer connecting plate, 42 clamping assembly, 421 tensioning air claw seat plate, 422 tensioning air claw, 423 tensioning seat plate, 424 bag clamping claw adjustment plate, 425 bag clamping claw mounting vertical plate, 426 bag clamping claw, 427 tensioning limit plate, 428 tensioning limit jackscrew, 429 retainer plate, 4210 bag pressing mounting vertical plate, 4211 bag pressing sliding rail, 4212 bag pressing cylinder, 4213 bag pressing sliding plate, 4214 bag pressing push plate, 4215 bag pressing plate, 5 bag opening mechanism, 51 opening bottom plate, 52 opening sliding rail, 53 opening sliding plate, 54 opening vertical plate, 55 opening cylinder seat plate, 56 opening cylinder, 57 lower opening cylinder, 58 lower opening seat plate, 59 lower opening pressing plate, 510 upper opening cylinder, 511 upper opening seat plate, The device comprises a 512 upper opening pressing sheet, a 513 lower opening linear bearing, a 514 lower opening guide shaft, a 515 lower opening limiting jackscrew, a 516 axial movement limiting jackscrew, a 6 upper sliding rail, a 7 tensioning transfer mechanism mounting rack, an 8 lower pre-bag opening mechanism mounting rack and a 9 bag opening mechanism mounting rack.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention.

In the embodiment shown in fig. 1-14, an automatic bag transferring and opening device for packaging bags comprises a rack 1, an upper bag pre-opening mechanism 2, a lower bag pre-opening mechanism 3, a tensioning and transferring mechanism 4 and a bag opening mechanism 5, wherein an upper sliding rail 6 for mounting the upper bag pre-opening mechanism is arranged at the top end of the rack 1, a tensioning and transferring mechanism mounting rack 7, a lower bag pre-opening mechanism mounting rack 8 and a bag opening mechanism mounting rack 9 are sequentially arranged at the front end of the rack 1 from front to back, the upper sliding rail 6 is arranged along the X-axis direction, and the tensioning and transferring mechanism mounting rack 7, the lower bag pre-opening mechanism mounting rack 8 and the bag opening mechanism mounting rack 9 are arranged along the Y-axis direction; go up in advance on bag opening mechanism 2 shifts the wrapping bag to bag opening mechanism 3 in advance down, go up in advance bag opening mechanism 2, bag opening mechanism 3 and straining device 4 cooperation open the wrapping bag sack down, bag opening mechanism 5 expands open wrapping bag sack, and the material is packed into and is moved to next process through 4 closed sacks of tensioning transfer mechanism and with the wrapping bag after the wrapping bag, can long-term steady operation between the equipment, and the fault rate is low, and the standardization level of packing is high, and the success rate is high.

In this embodiment, as shown in fig. 2 and 3, the upper bag pre-opening mechanism 2 includes a transfer top frame 21, a lifting cylinder 22, an installation beam 23, and an upper adsorption assembly 24, the transfer top frame 21 is installed on the upper slide rail 6 and can move on the upper slide rail 6 along the X-axis direction, the lifting cylinder 22 is installed at the lower end of the transfer top frame 21, the lower end of the lifting cylinder 22 is connected with the installation beam 23, a plurality of upper adsorption assemblies 24 are arranged on the installation beam 23 at intervals, and each upper adsorption assembly 24 can adsorb a packaging bag from the automatic bag taking device; the upper adsorption component 24 comprises an upper pre-opening support plate 241, an upper pre-opening transverse plate 242, an upper pre-opening linear bearing 243, an upper pre-opening guide shaft 244, an upper pre-opening spring 245, an upper pre-opening mounting plate 246, an upper pre-opening suction cup 247, an upper pressing flat plate 248 and an upper pressing flat plate 249, wherein the upper pre-opening support plate 241 is vertically arranged on the mounting transverse beam 23, the upper pre-opening transverse plate 242 is horizontally arranged in the middle of the upper pre-opening support plate 241, the upper pre-opening linear bearing 243 is vertically arranged on the upper pre-opening transverse plate 242, the upper pre-opening guide shaft 244 is arranged in the upper pre-opening linear bearing 243, the upper pre-opening mounting plate 246 is arranged at the lower end of the upper pre-opening guide shaft 244, the upper pre-opening spring 245 is sleeved on the outer wall of the upper pre-opening guide shaft 244 between the upper pre-opening transverse plate 242 and the upper pre-opening mounting plate 246, the upper pressing flat plate 248 is arranged at the, the upper pre-opened mounting plate 246 is provided with a downward upper pre-opened sucker 247, the upper pressing plate 248 is provided with an upper pre-opened sucker through hole, and the lower end of the upper pre-opened sucker 247 extends out of the upper pre-opened sucker through hole; go up in advance a bag mechanism 2 and at first wholly slide to automatic bag mechanism department of getting along last slide rail 6 when using, lift cylinder 22 stretches out downwards for go up in advance open sucking disc 247 and adsorb the wrapping bag that automatic bag device of getting taken off, then lift cylinder 22 upwards contracts, goes up in advance a bag mechanism 2 and wholly slides to under along last slide rail 6 directly over in advance a bag mechanism 3, and lift cylinder 22 stretches out once more, places the wrapping bag under in advance on bag mechanism 3.

In this embodiment, the upper suction assembly 24 further includes a suction cup seat plate 2410, the suction cup seat plate 2410 is horizontally arranged at the lower end of the upper pre-opening support plate 241, the upper pre-opening suction cups 247 are installed on the suction cup seat plate 2410 at intervals, the lower end surfaces of the upper pre-opening suction cups 247 on the suction cup seat plate 2410 and the upper pre-opening suction cups 247 on the upper pre-opening mounting plate 246 are located on the same horizontal plane, so that the packaging bags are stably sucked and transferred, and the packaging bags are prevented from falling off in the transferring process.

In this embodiment, the upper pre-opened suction cup 247 on the suction cup seat plate 2410 and the upper pre-opened suction cup 247 on the upper pre-opened mounting plate 246 are both locked and mounted by nuts, so that the position of the upper pre-opened suction cup 247 can be conveniently adjusted according to actual conditions; the upper flattening adjusting plate 249 is provided with a strip hole, the upper pressing plate adjusting plate 249 is locked and fixed on the upper pre-opening mounting plate 246 through a bolt penetrating through the strip hole, and the position of the upper flattening plate 248 at the lower end of the upper flattening adjusting plate 249 is adjusted through adjusting the position of the bolt in the strip hole, so that the upper flattening adjusting plate is always matched with the position of the upper pre-opening suction cup 247.

In this embodiment, the transfer top frame 21 includes a transfer sliding plate 211, a transfer vertical plate 212, a lifting cylinder base plate 213, a lifting linear bearing 214, a lifting guide shaft 215, a lifting top cylinder 216, and a transfer connecting plate 217, wherein two ends of the transfer sliding plate 211 are provided with sliders matching with the upper sliding rail 6, the lower end of the transfer sliding plate 211 is symmetrically provided with the transfer vertical plate 212, the lower end of the transfer vertical plate 212 is fixedly connected through the lifting cylinder base plate 213, a cylinder barrel of the lifting cylinder 22 is installed between the transfer sliding plate 211 and the lifting cylinder base plate 213, a piston rod of the lifting cylinder 22 penetrates through the lifting cylinder base plate 213 and is connected with the transfer connecting plate 217, the transfer connecting plate 217 is installed on the installation beam 23, the lifting linear bearing 214 is vertically installed on the lifting cylinder base plate 213, the lifting guide shaft 215 is installed on the upper end surface of the transfer connecting plate 217, the lifting top cylinder 216 is further installed between the transfer sliding plate 211 and the lifting cylinder seat plate 213, the structural arrangement form of the transfer top frame 21 is favorable for enhancing the overall stability, the stability of the bag pre-opening mechanism 2 in the operation process is ensured, and the stability of the installation beam 23 and the upper adsorption component 24 in the telescopic process of the lifting cylinder 22 is improved.

In this embodiment, as shown in fig. 4-7, the lower bag pre-opening mechanism 3 includes a bag support assembly 31 and a lower bag pre-opening assembly 32, the bag support assembly 31 is mounted at the front end of the lower bag pre-opening mechanism mounting frame 8, and the lower bag pre-opening assembly 32 is mounted at the rear end of the lower bag pre-opening mechanism mounting frame 8; the bag support component 31 comprises a bag support air cylinder seat plate 311, a bag support air cylinder 312, a bag support seat plate 313, a bag support bracket 314 and a bag support plate 315, wherein the bag support air cylinder seat plate 311 is vertically arranged on the front end surface of the lower bag pre-opening mechanism mounting frame 8, a cylinder barrel of the bag support air cylinder 312 is arranged on the bag support air cylinder seat plate 311, the upper end of the bag support air cylinder 312 is connected with the horizontally arranged bag support seat plate 313, the bag support bracket 314 is vertically arranged on the upper end surface of the bag support seat plate 313, the bag support plate 315 is horizontally arranged on the upper end of the bag support bracket 314, the bag support air cylinder 312 can stretch to drive the bag support plate 315 on the bag support plate 313 to move up and down, and the position of the bag support plate 315 for supporting a packaging; the lower pre-opening bag assembly 32 comprises a lower pre-opening air cylinder base plate 321, a lower pre-opening air cylinder 322, a lower pre-opening mounting plate 323, a lower pre-opening linear bearing 324, a lower pre-opening guide shaft 325, a lower pre-opening suction cup 326, a lower pre-opening spring 327, a lower pressing flat plate 328, a lower pressing flat adjusting plate 329 and a lower suction cup mounting plate 3210, wherein the lower pre-opening air cylinder base plate 321 is vertically mounted at the rear end of the lower pre-opening bag mechanism mounting frame 8, a cylinder barrel of the lower pre-opening air cylinder 322 is mounted on the lower pre-opening air cylinder base plate 321, the upper end of a piston rod of the lower pre-opening air cylinder 322 is horizontally mounted with the lower pre-opening mounting plate 323, the lower pre-opening linear bearing 324 is mounted on the lower pre-opening mounting plate 323, the lower pre-opening guide shaft 325 is mounted in the lower pre-opening linear bearing 324, the lower pre-opening guide shaft 325 is mounted at the upper end of the lower pre-opening guide shaft 325 with the lower suction cup mounting plate, a lower leveling adjusting plate 329 is vertically installed at the upper end of a lower sucker installing plate 3210, a lower pressing plate 328 is horizontally installed at the upper end of the lower leveling adjusting plate 329, an upward downward pre-opened sucker 326 is installed on the lower sucker installing plate 3210, a downward pre-opened sucker through hole is formed in the lower pressing plate 328, the upper end of the downward pre-opened sucker 326 extends out of the downward pre-opened sucker through hole, and a downward pre-opened limiting jackscrew 3211 is further arranged on the lower pre-opened installing plate 323; the upper bag pre-opening mechanism 2 places the adsorbed packaging bag on the lower pressing plate 328 and the bag supporting plate 315 of the lower bag pre-opening mechanism 3, so that the upper pre-opening sucker 247 is adsorbed on the upper surface of the packaging bag, and the lower pre-opening sucker 326 is adsorbed on the lower surface of the packaging bag to prepare for opening the bag.

In this embodiment, the lower pre-opening suction cup 326 is locked and installed on the lower suction cup installation plate 3210 by a nut, a long hole is formed in the lower leveling adjustment plate 329, the lower leveling adjustment plate 329 is locked on the lower suction cup installation plate 3210 by a bolt penetrating through the long hole, and the positions of the lower pre-opening suction cup 326 and the lower leveling adjustment plate 329 are flexibly adjusted according to actual conditions.

In the present embodiment, as shown in fig. 8 to 12, the tension transfer mechanism 4 includes a slide assembly 41 and a clamping assembly 42, the slide assembly 41 is mounted on the tension transfer mechanism mounting frame 7 and can slide on the tension transfer mechanism mounting frame 7 along the Y-axis direction, the tension transfer mechanism mounting frame 7 extends out of the main body of the rack 1, and the clamping assembly 42 is mounted on the slide assembly 41 and can slide on the slide assembly 41 along the X-axis direction.

In this embodiment, the clamping assembly 42 includes a tensioning air claw seat plate 421, a tensioning air claw 422, a tensioning seat plate 423, a bag clamping claw adjusting plate 424, a bag clamping claw mounting upright plate 425, a bag clamping claw 426, a tensioning limit plate 427, a tensioning limit jackscrew 428, a material supporting plate 429, a bag pressing mounting upright plate 4210, a bag pressing slide rail 4211, a bag pressing air cylinder 4212, a bag pressing slide plate 4213, a bag pressing push plate 4214 and a bag pressing plate 4215, the tensioning air claw 422 is mounted at the upper end of the tensioning air claw seat plate 421, the tensioning seat plates 423 are symmetrically arranged at the two ends of the tensioning air claw 422, the two tensioning seat plates 423 are close to or far away from each other along with the action of the tensioning air claw 422, the tensioning limit plate 427 and the bag clamping claw adjusting plate 424 are mounted at the upper end of the tensioning seat plate 423, the tensioning limit plate 427 is located at one end of the tensioning seat plate 423 close to the inner side of the tensioning air claw 422, the tensioning limit jackscrew 428 is arranged on the, the bag clamping claw adjusting plate 424 extends out of the tensioning seat plate 423, a bag clamping claw mounting vertical plate 425 extending downwards and facing the bag pre-opening mechanism 3 is arranged on a plate body of the bag clamping claw adjusting plate 424 extending out of the tensioning seat plate 423, a bag clamping claw 426 is arranged on the inner side of the tail end of the bag clamping claw mounting vertical plate 425, the bag clamping claw 426 is used for clamping bag bodies on two sides of an opening of a packaging bag, a bag pressing mounting vertical plate 4210 is arranged on the end face of the tensioning air claw seat plate 421 facing the bag clamping claw 426, a bag pressing sliding rail 4211 is arranged on the end face of the bag pressing mounting vertical plate 4210 facing the bag clamping claw 426, a bag pressing sliding plate 4213 is arranged on the bag pressing sliding rail 4211, a bag pressing push plate 4214 is arranged on the top face of the bag pressing mounting vertical plate 4210, the top of a piston rod of the bag pressing cylinder 4212 is fixedly connected with the bag pressing push plate 4214, a cylinder barrel of the bag pressing cylinder 4212 is fixedly connected with the bag pressing sliding plate 4213, a horizontally arranged bag, the retainer plate 429 is positioned at the lower end of the bag pressing plate 4215, one end of the retainer plate 429, which is far away from the bag clamping claw 426, is installed on the bag pressing installation vertical plate 4210, a through hole for the bag pressing cylinder 4212 and the bag pressing sliding plate 4213 to penetrate through is formed in one end of the retainer plate 429, which is far away from the bag clamping claw 426, and an opening matched with the bag supporting plate 315 of the lower bag pre-opening mechanism 3 is formed in one end of the retainer plate 429, which is close to the bag clamping claw 426; when the upper pre-opening sucker 247 is adsorbed on the upper surface of the packaging bag and the lower pre-opening sucker 326 is adsorbed on the lower surface of the packaging bag, the clamping assembly 42 moves along the slide seat assembly 41 to the material supporting plate 429 to be clamped with the bag supporting plate 315, the bag body of the packaging bag is supported by the bag supporting plate 315 and the material supporting plate 429 at the moment, the bag clamping claws 426 clamp the edges of two sides of the bag opening, then the lower pre-opening cylinder 322 moves downwards, the lifting cylinder 22 moves upwards, the tensioning seat plate 423 on the tensioning air claw 422 approaches each other, so that the bag opening of the packaging bag is retracted so as to pre-open the bag opening for a certain gap, then the bag opening is opened to a required size through the bag opening mechanism 5, the wound infusion apparatus is filled into the bag, the bag pressing cylinder 4212 acts, the cylinder of the bag pressing cylinder 4212 drives the bag pressing plate 4215 to move downwards easily to limit the packaging bag and the infusion apparatus inside, after the infusion set is filled, the bag opening mechanism 5 moves backwards, the tensioning air claw 422 acts to enable the tensioning seat plate 423 on the tensioning air claw 422 to be away from each other, the bag opening of the packaging bag is closed, the clamping assembly 42 moves to be separated from the lower bag pre-opening mechanism 3 along the sliding seat assembly 41, the whole tensioning transfer mechanism 4 moves out of the rack 1 along the tensioning transfer mechanism mounting frame 7, and the packaging bag with the clamped closed bag opening is transferred to the next process.

In this embodiment, the sliding seat assembly 41 includes a transferring sliding plate 411, a transferring sliding rail 412, a transferring cylinder 413 and a transferring connecting plate 414, a sliding block matched with the tensioning and transferring mechanism mounting frame 7 is disposed on a lower end surface of the transferring sliding plate 411, the transferring sliding rail 412 is disposed on an upper end surface of the transferring sliding plate 411, a sliding block matched with the transferring sliding rail 412 is disposed on a lower end surface of the transferring connecting plate 414, an upper end surface of the transferring connecting plate 414 is connected with a lower end surface of the tensioning gas claw seat plate 421, one end of the transferring cylinder 413 is fixed on the transferring sliding plate 411, and the other end of the transferring cylinder 413 is fixed on the tensioning gas claw seat plate 421, and the transferring cylinder 413 stretches and retracts to drive the clamping assembly 42 to move integrally along the transferring sliding rail 411, so that the clamping assembly 42.

In this embodiment, as shown in fig. 13 and 14, the bag opening mechanism 5 includes an opening bottom plate 51, an opening slide rail 52, an opening slide plate 53, an opening vertical plate 54, an opening cylinder seat plate 55, an opening cylinder 56, a lower opening cylinder 57, a lower opening seat plate 58, a lower opening pressing plate 59, an upper opening cylinder 510, an upper opening seat plate 511, and an upper opening pressing plate 512, the opening bottom plate 51 is fixedly mounted on the bag opening mechanism mounting frame 9, the opening slide rail 51 is disposed on an upper end surface of the opening bag bottom plate 51 along an X-axis direction, the opening slide plate 53 is mounted on the opening slide rail 51, the opening cylinder seat plate 55 is mounted on a rear end of the upper end surface of the opening bottom plate 51, one end of the opening cylinder 56 is connected to the opening cylinder seat plate 55, and the other end is connected to the opening slide plate 53, the opening cylinder 56 can extend and retract to drive the opening slide plate 53 to move the bag pre-opening mechanism 3 downward, the opening vertical plate 54 is provided with a lower opening cylinder 57 and an upper opening cylinder 510, the upper end of the lower opening cylinder 510 is fixedly connected with a horizontally arranged lower opening seat plate 58, the upper end surface of the lower opening seat plate 58 is provided with a lower opening pressing sheet 59 extending to the lower bag pre-opening mechanism 3, the lower opening seat plate 58 is provided with a through hole, a piston rod of the upper opening cylinder 510 penetrates through the through hole of the lower opening seat plate 58 and then is fixedly connected with a horizontally arranged upper opening seat plate 511, and the lower end surface of the upper opening seat plate 511 is provided with an upper opening pressing sheet 512 extending to the lower bag pre-opening mechanism 3; when the bag opening of the packaging bag is opened by the synchronous matching action of the lower pre-bag opening mechanism 3, the upper pre-bag opening mechanism 2 and the tensioning transfer mechanism 4, the opening air cylinder 56 pushes the opening sliding plate 53 to move towards the opening of the packaging bag, so that the upper opening pressing sheet 512 and the lower opening pressing sheet 59 are inserted into the bag opening gap of the packaging bag, and then the upper opening air cylinder 510 extends out and the lower opening air cylinder 57 contracts at the same time, so that the bag opening is opened to the required size.

In this embodiment, the opening vertical plate 54 is further provided with a lower opening linear bearing 513, the lower opening seat plate 58 is provided with a lower opening guide shaft 514, the lower opening guide shaft 514 extends into the lower opening linear bearing 513, the upper end surface of the lower opening seat plate 58 is further provided with a lower opening limit jackscrew 515, and the opening cylinder seat plate 55 is further provided with an axial movement limit jackscrew 516.

The working principle is as follows: the utility model discloses an automatic bag transfer opening device for packing bags, when in use, an upper pre-opening bag mechanism 2 firstly slides to the automatic bag taking mechanism along an upper slide rail 6, a lifting cylinder 22 extends downwards to enable an upper pre-opening sucker 247 to adsorb the packing bags taken down by the automatic bag taking device, then the lifting cylinder 22 contracts upwards, the upper pre-opening bag mechanism 2 slides to the position right above a lower pre-opening bag mechanism 3 along the upper slide rail 6, the lifting cylinder 22 extends out again to place the packing bags on a lower pressing plate 328 and a bag supporting plate 315 of the lower pre-opening bag mechanism 3, the upper pre-opening sucker 247 adsorbs the upper surface of the packing bags, the lower pre-opening sucker 326 adsorbs the lower surface of the packing bags, a clamping component 42 moves to a supporting plate 429 along a slide seat component 41 to be clamped with the bag supporting plate 315, at the moment, the bag bodies of the packing bags are supported by the bag supporting plate 315 and the supporting plate 429, bag clamping claws 426 clamp the edges of, then, the lower pre-opening cylinder 322 is moved downwards, the lifting cylinder 22 is moved upwards, the tensioning seat plate 423 on the tensioning air claw 422 is close to each other, the bag mouth of the packaging bag is retracted so as to pre-open the bag mouth for a certain gap, the opening cylinder 56 pushes the opening sliding plate 53 to move towards the opening of the packaging bag, the upper opening pressing plate 512 and the lower opening pressing plate 59 are inserted into the gap of the bag mouth of the packaging bag, then the lower opening cylinder 57 is contracted while the upper opening cylinder 510 is extended, the bag mouth is opened to a required size, the wound infusion set is filled into the bag, the bag pressing cylinder 4212 acts, the cylinder barrel of the bag pressing cylinder 4212 drives the bag pressing plate 4215 to move downwards to limit the packaging bag and the infusion set inside, otherwise, the infusion set is easily driven by a mechanism for feeding the infusion set into the bag to displace towards the bag mouth, the bag mouth opening mechanism 5 moves backwards after the infusion set is filled, the tensioning air claw 422 acts, the bag opening of the packaging bag is closed, the clamping assembly 42 moves along the sliding seat assembly 41 to be separated from the lower bag pre-opening mechanism 3, the whole tensioning and transferring mechanism 4 moves out of the rack 1 along the tensioning and transferring mechanism mounting frame 7, and the packaging bag with the closed bag opening clamped by the clamping assembly is transferred to the next process.

The above embodiments are only specific cases of the present invention, and the protection scope of the present invention includes but is not limited to the forms and styles of the above embodiments, and any suitable changes or modifications made thereto by those skilled in the art according to the claims of the present invention shall fall within the protection scope of the present invention.

Claims

1. The utility model provides an automatic transfer of wrapping bag device of opening which characterized in that: the bag pre-opening machine comprises a rack, an upper pre-bag-opening mechanism, a lower pre-bag-opening mechanism, a tensioning transfer mechanism and a bag opening mechanism, wherein an upper sliding rail for mounting the upper pre-bag-opening mechanism is arranged at the top end of the rack; the upper bag pre-opening mechanism transfers the packaging bags to the lower bag pre-opening mechanism, the upper bag pre-opening mechanism, the lower bag pre-opening mechanism and the tensioning mechanism are matched to open the bag openings of the packaging bags, the bag opening mechanism expands the opened bag openings of the packaging bags, and the bag openings are closed through the tensioning transfer mechanism after the materials are filled into the packaging bags and the packaging bags are transferred to the next process.

2. The automatic transfer bag opener according to claim 1, wherein: the upper bag pre-opening mechanism comprises a transfer top frame, a lifting cylinder, an installation cross beam and upper adsorption components, the transfer top frame is installed on the upper sliding rail, the lifting cylinder is installed at the lower end of the transfer top frame, the lower end of the lifting cylinder is connected with the installation cross beam, and the installation cross beam is provided with the upper adsorption components at intervals; the upper adsorption component comprises an upper pre-opening support plate, an upper pre-opening transverse plate, an upper pre-opening linear bearing, an upper pre-opening guide shaft, an upper pre-opening spring, an upper pre-opening mounting plate, an upper pre-opening sucker, an upper pressing plate and an upper pressing plate, the upper pre-opening support plate is vertically mounted on the mounting cross beam, the middle part of the upper pre-opening support plate is horizontally provided with the upper pre-opening transverse plate, the upper pre-opening linear bearing is mounted on the upper pre-opening transverse plate, the upper pre-opening guide shaft is mounted in the upper pre-opening linear bearing, the lower end of the upper pre-opening guide shaft is provided with the upper pre-opening mounting plate, the outer wall of the upper pre-opening guide shaft between the upper pre-opening transverse plate and the upper pre-opening mounting plate is sleeved with the upper pre-opening spring, the lower end of the upper pre-opening mounting plate is provided with the upper pressing plate, the lower end of the upper pressing plate is provided with the horizontal upper, the lower end of the upper pre-opened sucker extends out of the upper pre-opened sucker through hole.

3. The automatic transfer bag opener according to claim 2, wherein: go up the adsorption component and still include the sucking disc bedplate, sucking disc bedplate level sets up in the lower extreme of last pre-opened backup pad, and the interval is installed on the sucking disc bedplate and is gone up the pre-opened sucking disc.

4. The automatic transfer bag opener according to claim 2, wherein: the transfer top frame comprises a transfer sliding plate, a transfer vertical plate, a lifting air cylinder base plate, a lifting linear bearing, a lifting guide shaft, a lifting top cylinder and a transfer connecting plate, sliding blocks matched with an upper sliding rail are arranged at two ends of the transfer sliding plate, the transfer vertical plate is symmetrically arranged at the lower end of the transfer sliding plate, the lower end of the transfer vertical plate is fixedly connected with the lifting air cylinder base plate through the lifting air cylinder base plate, a cylinder barrel of the lifting air cylinder is installed between the transfer sliding plate and the lifting air cylinder base plate, a piston rod of the lifting air cylinder penetrates out of the lifting air cylinder base plate and then is connected with the transfer connecting plate, the transfer connecting plate is installed on an installation cross beam, the lifting linear bearing is installed on the lifting air cylinder base plate, the lifting guide shaft is installed on the upper end face of.

5. The automatic transfer bag opener according to claim 1, wherein: the lower pre-bag opening mechanism comprises a bag support assembly and a lower pre-bag opening assembly, the bag support assembly is arranged at the front end of the mounting frame of the lower pre-bag opening mechanism, and the lower pre-bag opening assembly is arranged at the rear end of the mounting frame of the lower pre-bag opening mechanism; the bag support assembly comprises a bag support air cylinder seat plate, a bag support air cylinder, a bag support seat plate, a bag support bracket and a bag supporting plate, wherein the bag support air cylinder seat plate is vertically arranged on the front end surface of the lower bag pre-opening mechanism mounting frame; the lower pre-opening bag component comprises a lower pre-opening air cylinder seat plate, a lower pre-opening air cylinder, a lower pre-opening mounting plate, a lower pre-opening linear bearing, a lower pre-opening guide shaft, a lower pre-opening sucker, a lower pre-opening spring, a lower pressing flat plate, a lower pressing flat adjusting plate and a lower sucker mounting plate, wherein the lower pre-opening air cylinder seat plate is vertically mounted at the rear end of the lower pre-opening bag mechanism mounting frame, a cylinder barrel of the lower pre-opening air cylinder is mounted on the lower pre-opening air cylinder seat plate, the upper end of a piston rod of the lower pre-opening air cylinder is horizontally provided with the lower pre-opening mounting plate, the lower pre-opening linear bearing is mounted on the lower pre-opening mounting plate, the lower pre-opening guide shaft is mounted in the lower pre-opening linear bearing, the lower sucker mounting plate is mounted at the upper end of the lower pre-opening guide shaft, the lower pre-opening spring is sleeved on the outer wall of the lower sucker mounting plate between the lower pre-opening mounting plates, the lower pressing flat adjusting plate is, the lower sucker mounting plate is provided with an upward pre-opened sucker downwards, the lower pressing plate is provided with a pre-opened sucker through hole, the upper end of the lower pre-opened sucker extends out of the pre-opened sucker through hole, and the lower pre-opened mounting plate is further provided with a pre-opened limiting jackscrew.

6. The automatic transfer bag opener according to claim 5, wherein: the tensioning transfer mechanism comprises a sliding seat assembly and a clamping assembly, the sliding seat assembly is installed on a mounting frame of the tensioning transfer mechanism and can slide on the mounting frame of the tensioning transfer mechanism along the Y-axis direction, and the clamping assembly is installed on the sliding seat assembly and can slide on the sliding seat assembly along the X-axis direction.

7. The automatic transfer bag opener according to claim 6, wherein: the clamping assembly comprises a tensioning gas claw seat plate, a tensioning gas claw, a tensioning seat plate, a bag clamping claw adjusting plate, a bag clamping claw mounting vertical plate, a bag clamping claw, a tensioning limiting plate, a tensioning limiting jackscrew, a material supporting plate, a bag pressing mounting vertical plate, a bag pressing slide rail, a bag pressing air cylinder, a bag pressing slide plate, a bag pressing push plate and a bag pressing plate, wherein the tensioning gas claw is mounted at the upper end of the tensioning gas claw seat plate, the tensioning seat plate is symmetrically arranged at two ends of the tensioning gas claw, the tensioning limiting plate and the bag clamping claw adjusting plate are mounted at the upper end of the tensioning seat plate, the tensioning limiting plate is positioned at one end of the tensioning seat plate close to the inner side of the tensioning gas claw, the tensioning limiting jackscrew is arranged on the tensioning limiting plate, the bag clamping claw adjusting plate is positioned at one end of the tensioning seat plate close to the outer side of the tensioning gas claw, the bag clamping claw adjusting plate extends out of the tensioning seat plate, the bag pressing mechanism is characterized in that a bag pressing mounting vertical plate is mounted on the end face, facing the bag clamping claw, of the tensioning gas claw seat plate, a bag pressing sliding rail is mounted on the end face, facing the bag clamping claw, of the bag pressing mounting vertical plate, a bag pressing sliding plate is mounted on the bag pressing sliding rail, a bag pressing pushing plate is mounted on the top face of the bag pressing mounting vertical plate, the top of a piston rod of a bag pressing air cylinder is fixedly connected with the bag pressing pushing plate, a cylinder barrel of the bag pressing air cylinder is fixedly connected with the bag pressing sliding plate, a horizontally arranged bag pressing plate is mounted on the end face, facing the bag clamping claw, of the cylinder barrel of the bag pressing air cylinder, a material supporting plate is located at the lower end of the bag pressing plate, one end, far away from the bag clamping claw, of the material supporting plate is mounted on the bag pressing mounting vertical plate, a through hole for the bag pressing air cylinder and the bag pressing.

8. The automatic transfer bag opener according to claim 7, wherein: the sliding seat assembly comprises a transfer sliding plate, a transfer sliding rail, a transfer air cylinder and a transfer connecting plate, a sliding block matched with the tensioning transfer mechanism mounting frame is arranged on the lower end face of the transfer sliding plate, the transfer sliding rail is arranged on the upper end face of the transfer sliding plate, a sliding block matched with the transfer sliding rail is arranged on the lower end face of the transfer connecting plate, the upper end face of the transfer connecting plate is connected with the lower end face of the tensioning air claw seat plate, and one end of the transfer air cylinder is fixed to the transfer sliding plate while the other end of the transfer air cylinder is.

9. The automatic transfer bag opener according to claim 1, wherein: the bag opening mechanism comprises an opening bottom plate, an opening slide rail, an opening slide plate, an opening vertical plate, an opening cylinder seat plate, an opening cylinder, a lower opening seat plate, a lower opening pressing plate, an upper opening cylinder, an upper opening seat plate and an upper opening pressing plate, wherein the opening bottom plate is fixedly arranged on a bag opening mechanism mounting frame, the opening slide rail is arranged on the upper end surface of the opening bag bottom plate along the X-axis direction, the opening slide plate is arranged on the opening slide rail, the opening cylinder seat plate is arranged at the rear end of the upper end surface of the opening bottom plate, one end of the opening cylinder is connected with the opening cylinder seat plate, the other end of the opening cylinder is connected with the opening slide plate, the opening vertical plate is vertically arranged on the upper end surface of the opening slide plate, the lower opening cylinder and the upper opening cylinder are arranged on the opening vertical plate, the upper end of the lower opening cylinder is fixedly connected, the lower opening seat plate is provided with a through hole, a piston rod of the upper opening cylinder penetrates through the through hole of the lower opening seat plate and then is fixedly connected with the upper opening seat plate which is horizontally arranged, and the lower end face of the upper opening seat plate is provided with an upper opening pressing sheet which extends downwards to the bag pre-opening mechanism.

10. The automatic transfer bag opener according to claim 9, wherein: the lower opening vertical plate is further provided with a lower opening linear bearing, the lower opening seat plate is provided with a lower opening guide shaft, the lower opening guide shaft extends into the lower opening linear bearing, and the upper end face of the lower opening seat plate is further provided with a lower opening limiting jackscrew.