CN218537282U - High-precision lossless opening equipment for packaging bags - Google Patents

Abstract

The utility model belongs to the technical field of medical equipment for packing technique and specifically relates to a wrapping bag high accuracy can't harm opening equipment. The high-precision lossless opening equipment for the packaging bag comprises a rack, a lifting bag supporting device, two side clamping devices, an upper opening device and an opening device, wherein the lifting bag supporting device, a lower opening device and the opening device are sequentially arranged on the rack along the X-axis direction, and the upper opening device is arranged on the rack and is positioned above the lifting bag supporting device, the lower opening device and the opening device. The utility model discloses a harmless opening equipment of wrapping bag high accuracy, structural design is reasonable, and wrapping bag opening success rate is high, and is efficient, and after the transfusion system after the kinking is packed into the wrapping bag, flare-up the wrapping bag opening part rapidly to do benefit to and ensure the efficiency and the success rate of follow-up wrapping bag sealing operation.

Description

High-precision lossless opening equipment for packaging bags

Technical Field

The utility model belongs to the technical field of medical equipment for packing technique and specifically relates to a wrapping bag high accuracy can't harm opening equipment.

Background

The transfusion device is a common medical consumable, and a channel between a vein and liquid medicine is established through aseptic processing and is used for venous transfusion. Generally comprises eight parts of a vein needle or an injection needle, a needle head protective cap, a transfusion hose, a liquid medicine filter, a flow rate regulator, a drip cup, a bottle stopper puncture outfit, an air filter and the like which are connected, and a part of transfusion devices also comprises an injection piece, a medicine adding port and the like. The disposable medical consumables such as transfusion system all need pack into the wrapping bag after rolling up before leaving the factory, and the wrapping bag is in order to pile up together before using, transfers to the opening system again after the positive position through the normal position device, opens the opening of wrapping bag and forms the support to the opening through the opening system.

The existing packaging bag high-precision nondestructive opening equipment has at least the following defects: (1) The structure design is unreasonable, so that the opening failure rate of the packaging bag is high, and the opening efficiency is low; (2) After the coiled infusion apparatus is placed in the packaging bag, the opening and two sides of the packaging bag are not flat, which affects the efficiency and success rate of the subsequent packaging bag sealing operation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a harmless opening equipment of wrapping bag high accuracy overcomes the not enough of aforementioned prior art, and structural design is reasonable, and wrapping bag opening success rate is high, and is efficient, and after the wrapping bag was packed into to the transfusion system after the kinking, flare-out the wrapping bag opening part rapidly to do benefit to and ensure the efficiency and the success rate of follow-up wrapping bag sealing operation.

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

a high-precision lossless opening device for packaging bags comprises a rack, a lifting bag supporting device, two side clamping devices, an upper opening device, a lower opening device and an opening device, wherein the lifting bag supporting device is used for supporting a main body of the packaging bag and adjusting the height of the packaging bag, the two side clamping devices are used for clamping two sides, perpendicular to the opening side, of the packaging bag and pushing the packaging bag inwards or pulling the packaging bag outwards;

when the system is used, the packaging bag is adsorbed from the packaging bag righting device through the upper opening device and transferred to the lifting type bag supporting device, the lifting type bag supporting device adjusts the height of the packaging bag, the two sides of the packaging bag, which are perpendicular to the opening end, are clamped by the clamping devices on the two sides, the lower opening device adsorbs the lower end face of the opening of the packaging bag, the upper opening device adsorbs the upper end face of the opening of the packaging bag, the upper opening device moves upwards while rubbing the packaging bag, meanwhile, the packaging bag is pushed inwards by the clamping devices on the two sides, the packaging bag is rapidly opened, the opening of the packaging bag is expanded and supported through the opening expanding device, the wound infusion apparatus can be filled into the packaging bag, the opening expanding device withdraws from the opening of the packaging bag after filling, the packaging bag is pulled outwards by the clamping devices on the two sides, the opening of the packaging bag is flattened, no crease exists on the surface of the packaging bag, and the subsequent transferring and heat-welding sealing operation efficiency and success rate of the packaging bag are improved.

Further, both sides clamping device includes guide rail mounting panel, riser, guide rail, first fixture, second fixture, bag tensioning servo motor, action wheel, follows driving wheel and hold-in range, wherein:

the bag tensioning device comprises a rack, a guide rail mounting plate, a motor mounting plate, a bag tensioning servo motor, a driving shaft of the bag tensioning servo motor, a driven wheel, a synchronous belt and a synchronous belt, wherein the guide rail mounting plate is arranged along the Y-axis direction;

the bag clamping device is characterized in that a plurality of groups of first clamping mechanisms and second clamping mechanisms are arranged on the guide rail at intervals, each of the first clamping mechanisms and the second clamping mechanisms comprises a sliding block, a pneumatic claw mounting plate, a bag clamping pneumatic claw, a clamping claw mounting plate, a tensioning clamping claw, a bag clamping silica gel layer, a driving plate and a synchronous belt pressing plate, the sliding blocks are arranged on the guide rail in a sliding mode, the pneumatic claw mounting plates are arranged at the upper ends of the sliding blocks, the bag clamping pneumatic claws are mounted on the pneumatic claw mounting plates, the two claws of the bag clamping pneumatic claws are opened and closed up and down, the clamping claw mounting plates are mounted on the two claws of the bag clamping pneumatic claw, the tensioning clamping claws are mounted on the clamping claw mounting plates, the bag clamping silica gel layer is arranged at the closed ends of the tensioning clamping claws, the driving plate is longitudinally arranged on one side of the sliding block, the synchronous belt pressing plate is mounted on the driving plate, and the synchronous belt pressing plate is connected with a synchronous belt;

the tensioning clamping jaws of the first clamping mechanism and the second clamping mechanism are symmetrically arranged, the driving plates of the first clamping mechanism and the second clamping mechanism are positioned on different sides of an annular closed synchronous belt, and the synchronous belt drives the first clamping mechanism and the second clamping mechanism to be close to or far away from each other when rotating;

when the two-side clamping device is used, the two sides of a packaging bag are clamped by the tensioning clamping jaws of the first clamping mechanism and the second clamping mechanism, the opening and closing of the upper tensioning clamping jaw and the lower tensioning clamping jaw are realized through bag clamping air jaw control, the bag tensioning servo motor is started, the driving wheel rotates to drive the synchronous belt between the driving wheel and the driven wheel to rotate, and the first clamping mechanism and the second clamping mechanism are installed on the two sides of the synchronous belt through the synchronous belt pressing plate.

Further, both sides clamping device still includes photoelectric sensing switch, inductive switch detection support and initial point detection switch support, initial point detection switch support mounting is on the guide rail mounting panel, and initial point detection switch shelf location has photoelectric sensing switch, all install inductive switch on every first fixture and the second fixture and detect the support, and photoelectric sensing switch, inductive switch detect the maximum distance that setting up of support and initial point detection switch support mainly is used for restricting first fixture and second fixture and remove along the Y axle for centre gripping, the interpolation and the tensioning operation to the wrapping bag are more accurate.

Furthermore, both sides clamping device still includes guide rail mounting panel support frame, the upper end of guide rail mounting panel support frame is connected with the lower extreme of guide rail mounting panel, and the lower extreme and the ground of guide rail mounting panel support frame are connected, play the effect of supporting the guide rail mounting panel, strengthen the stability of guide rail mounting panel.

Further, the lifting type bag supporting device comprises an air cylinder seat plate, a bag supporting lifting air cylinder, a guide plate, a bag supporting transverse support plate, a bag supporting welding plate and a bag supporting vertical plate, wherein the air cylinder seat plate is installed on the rack or installed on a guide rail installation plate, the bag supporting lifting air cylinder is installed on the air cylinder seat plate, the top of the bag supporting lifting air cylinder is provided with a 7-shaped right-angle guide plate, a longitudinal plate of the guide plate is in clearance fit with the side surface of the bag supporting lifting air cylinder, the bag supporting transverse support plate is installed on the transverse plate of the guide plate, the bag supporting welding plates are arranged on the bag supporting transverse support plate at intervals along the Y-axis direction, the distance between the bag supporting welding plates at the two ends is smaller than the width of the packaging bag, the bag supporting vertical plate used for limiting the descending height of the bag supporting welding plate is installed at the upper end of the air cylinder seat plate, the packaging bag is supported on the bag supporting welding plate, the bag supporting lifting air cylinder is opened according to the drooping degree of the two side edges of the packaging bag, and the packaging bag lifting air cylinder is adjusted to be favorable for smoothly clamping the first clamping mechanisms and the second clamping mechanisms of the two side clamping devices.

Furthermore, a lifting bag supporting device is arranged between each group of the first clamping mechanism and the second clamping mechanism.

Further, the lower opening device includes stroke cylinder backing plate, stroke cylinder bottom plate, lower open air cylinder, lower open top jar, after positioning baffle, back positioning board, after positioning extension bar, under shed mechanism and under shed mechanism mounting panel, wherein:

the stroke cylinder base plate is longitudinally arranged on the rack, the stroke cylinder bottom plate is longitudinally arranged on the stroke cylinder base plate, a groove is formed in the outer side surface of the stroke cylinder bottom plate, a rear positioning baffle and a rear positioning plate are arranged in the groove at intervals up and down, a lower opening cylinder is arranged above the rear positioning baffle, a lower opening jacking cylinder is arranged below the rear positioning plate, a jacking head of the lower opening jacking cylinder penetrates through the rear positioning plate upwards and then is connected with the rear positioning baffle, the lower end of the rear positioning extension rod is connected with the upper end face of the rear positioning plate, the upper end of the rear positioning extension rod is connected with the lower opening cylinder, a lower opening mechanism mounting plate is horizontally arranged at the top of a piston cylinder of the lower opening cylinder, and lower opening mechanisms are arranged on the lower opening mechanism mounting plate at intervals;

the lower opening mechanism comprises a lower opening linear bearing, a lower opening guide shaft, a lower opening spring, a lower opening sucker seat, a lower sucker flattening vertical plate, a lower sucker flattening pressing plate, a lower sucker connecting rod, a lower vacuum sucker and a lower limiter, wherein the lower opening linear bearing is arranged on a lower opening mechanism mounting plate at intervals, the lower opening guide shaft is arranged in the lower opening linear bearing, the upper ends of the lower opening guide shaft are connected through the lower opening sucker seat, the lower opening spring is sleeved on the lower opening guide shaft between the lower opening sucker seat and the lower opening linear bearing, the lower sucker flattening vertical plate is arranged at two ends of the upper end surface of the lower opening sucker seat, the lower sucker flattening pressing plate is connected between the tops of the lower sucker flattening vertical plates, a lower vacuum sucker perforation hole is formed in the lower sucker flattening flat pressing plate, the lower sucker connecting rod is arranged on the lower opening sucker flattening seat between the two lower sucker flattening vertical plates, the lower vacuum sucker connecting rod is arranged at the top of the lower sucker connecting rod, the main body of the lower vacuum sucker penetrates downwards through the lower vacuum perforation hole from the lower vacuum perforation hole, the top surface of the lower sucker is positioned above the lower vacuum perforation hole, the lower sucker, and the lower opening position of the lower sucker seat of the lower opening mechanism mounting plate is arranged at the lower limiter corresponding position of the lower sucker seat;

when the lower opening device is used, the lower opening cylinder stretches out and pushes up the lower opening mechanism, so that the lower vacuum chuck is adsorbed on the lower end face of the opening of the packaging bag, and the lower opening cylinder contracts and pulls down the lower opening mechanism, so that the lower vacuum chuck pulls the lower end face of the packaging bag downwards.

Further, go up opening device includes upper guideway, top block, top cylinder bottom plate, upper shed riser, upper shed cylinder bedplate, upper shed cylinder, upper shed top jar, upper shed linear bearing, upper shed guide shaft, first connecting plate, second connecting plate, rub a bag guide rail with hands, rub a bag slider with hands, rub a bag cylinder with hands, rub a bag limiting plate with hands, rub a bag stopper with hands and go up opening mechanism, wherein:

the upper end face of the second connecting plate is provided with a bag rubbing guide rail along the Y-axis direction, the bag rubbing guide rail is arranged on a bag rubbing guide rail, one end of the upper end face of the second connecting plate is provided with a bag rubbing air cylinder, a piston rod of the bag rubbing air cylinder is connected to the upper end face of the first connecting plate along the Y-axis direction, the other end of the first connecting plate is provided with a limiting plate for limiting the position of an upper end face of a first bag, and the upper end face of the second connecting plate is provided with a limiting plate for limiting the position of an upper end face of the first bag;

the upper opening device moves the packaging bag to be taken down from the righting device, the upper opening device is moved to the upper lifting type bag supporting device along the upper guide rail through the air cylinder or other driving mechanisms, the upper opening air cylinder stretches out, the upper opening top cylinder also stretches out, the packaging bag is placed on a bag supporting welding plate of the lifting type bag supporting device, the bag supporting welding plate supports the main body of the packaging bag, the sagging is prevented, the bag tensioning servo motor drives the tensioning clamping jaw to move, the packaging bag is clamped by the tensioning clamping jaw, the bag rubbing air cylinder moves when the upper opening air cylinder retracts, the lower opening air cylinder retracts, the packaging bag is driven by the bag tensioning servo motor to push the packaging jaw inwards, the opening of the packaging bag is smoothly opened, and the opening of the packaging bag is expanded through the opening device and the opening of the packaging bag is supported.

Further, go up the shedding mechanism and include that open top bedplate, open top support riser, first sucking disc seat, second sucking disc seat, last sucking disc connecting rod, open top sucking disc, open top linear bearing, open top guide axle, open top spring, last sucking disc flatten the riser and go up the sucking disc and flatten the clamp plate, wherein:

the upper opening seat plate is installed on the lower end face of the second connecting plate, an upper opening linear bearing is installed at one end, close to the opening of the packaging bag, of the upper opening seat plate, an upper opening guide shaft is installed in the upper opening linear bearing, the lower end of the upper opening guide shaft is connected through a first sucker seat, an upper opening spring is sleeved on the upper opening guide shaft between the first sucker seat and the upper opening seat plate, an upper sucker connecting rod is installed on the first sucker seat, an upper opening sucker is installed at the lower end of the upper sucker connecting rod, an upper sucker flattening vertical plate is arranged at one end, far away from the opening of the packaging bag, of the lower end face of the first sucker seat, an upper sucker flattening pressing plate extending to the upper opening sucker is installed at the lower end of the upper sucker flattening vertical plate, a sucker through hole is formed in the upper sucker flattening pressing plate, a main body of the upper opening sucker penetrates through the sucker through hole, the bottom of the upper opening sucker is located below the sucker through hole, an upper opening supporting vertical plate is arranged in the middle of the lower end face of the upper opening seat plate, a second sucker connecting rod is horizontally arranged on the lower end face of the upper opening sucker connecting rod, when the upper opening cylinder is used, and the upper opening of the packaging bag is conveniently sucked in a cylinder when the upper opening cylinder.

Furthermore, the opening device comprises an opening bottom plate, an opening sliding rail, an opening sliding plate, an opening vertical plate, an opening cylinder seat plate, an opening cylinder, an upper opening assembly and a lower opening assembly, wherein the opening bottom plate is fixed on the rack, the opening sliding rail is arranged on the upper end surface of the opening bag bottom plate along the X-axis direction, the opening sliding plate is installed on the opening sliding rail, the opening cylinder seat plate is installed 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 sliding plate, the opening vertical plate is vertically installed on the upper end surface of the opening sliding plate, and the upper opening assembly and the lower opening assembly are installed on the opening vertical plate;

the lower opening assembly comprises a lower opening cylinder, a lower opening seat plate and a lower opening pressing sheet, the lower opening cylinder is arranged on the opening vertical plate, the upper end of the lower opening cylinder is fixedly connected with the horizontally arranged lower opening seat plate, and the lower opening pressing sheet extending out of the lower opening seat plate is arranged on the upper end surface of the lower opening seat plate;

the upper opening assembly comprises an upper opening cylinder, an upper opening seat plate and an upper opening pressing sheet, a through hole is formed in the lower opening seat plate, 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 the upper opening pressing sheet extending out of the upper opening seat plate;

the opening cylinder seat plate is provided with a bag opening adjusting guide rail, the lower end of the lower opening plate is connected with a bag opening adjusting plate, and the bag opening adjusting plate is provided with a bag opening adjusting slide block matched with the bag opening adjusting guide rail;

promote the opening slide through the opening cylinder and remove to the opening of wrapping bag, make upper shed preforming and under shed preforming insert in the sack gap of wrapping bag, it shifts up to control the upper shed preforming through the upper shed cylinder, the under shed preforming is controlled through the under shed cylinder and is moved down, enlarge the opening of wrapping bag to the demand size by the gap rapidly and form the support to the opening of wrapping bag, in order to do benefit to smoothly pushing into the wrapping bag with the transfusion system after the lap, then the opening cylinder withdraws, the opening of wrapping bag is withdrawed from to upper shed preforming and under shed preforming, the opening both sides of wrapping bag are through the outside exhibition flat that draws of both sides clamping device.

The beneficial effects of the utility model are that: compared with the prior art, the utility model discloses a harmless opening equipment of wrapping bag high accuracy has following advantage: the structure design is reasonable, the packaging bag moves on the righting device of the upper opening device and is taken down, the upper opening device moves to the upper part of the lifting type bag supporting device along the upper guide rail through the air cylinder or other driving mechanisms, the upper opening air cylinder stretches out, meanwhile, the upper opening top cylinder also stretches out, the packaging bag is placed on a bag supporting welding plate of the lifting type bag supporting device, the bag supporting welding plate supports the main body of the packaging bag and prevents the packaging bag from sagging, the bag tensioning clamping jaw is driven by the bag tensioning servo motor to move, the packaging bag is clamped by the tensioning clamping jaw, the bag rubbing air cylinder moves when the upper opening air cylinder retracts, the lower opening air cylinder retracts, meanwhile, the bag tensioning servo motor drives the tensioning clamping jaw to push the packaging bag inwards, the opening of the packaging bag is smoothly opened, the opening of the packaging bag is expanded through the opening expanding device and supports the opening of the packaging bag, after the coiled packaging bag is filled in the packaging bag, the opening air cylinder retracts, the upper opening pressing sheet and the lower opening pressing sheet withdraw from the packaging bag, the packaging bag rotates anticlockwise, two sides of the opening of the packaging bag are stretched outwards, so that the two sides of the opening of the packaging bag are flattened, and the infusion apparatus can be transferred to the sealing device to carry out the synchronous belt operation.

Drawings

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

FIG. 2 is a schematic diagram of the position structures of the lifting bag supporting device, the two-side clamping device, the upper opening device, the lower opening device and the opening propping device of the present invention;

FIG. 3 is a schematic diagram of the position structure of the lifting bag supporting device, the two-side clamping device and the lower opening device of the present invention;

FIG. 4 is a schematic structural view of the lifting bag supporting device of the present invention;

FIG. 5 is another schematic view of the lifting bag supporting device of the present invention;

fig. 6 is a schematic perspective view of the two-side clamping device of the present invention;

FIG. 7 is a schematic view of the two-side holding device of the present invention;

fig. 8 is a rear view of the two-side holding device of the present invention;

fig. 9 is a schematic structural view of the lower opening device of the present invention;

fig. 10 is a schematic structural view of the upper opening device of the present invention;

fig. 11 is another angle structure diagram of the upper opening device of the present invention;

fig. 12 is a schematic structural view of the upper shedding mechanism of the present invention;

fig. 13 is a schematic structural view of the opening expanding device of the present invention;

fig. 14 is another angle structure diagram of the opening-spreading device of the present invention;

wherein, the first and the second end of the pipe are connected with each other, 1 rack, 2 lifting bag supporting devices, 201 air cylinder base plate, 202 bag supporting lifting air cylinders, 203 guide plate, 204 bag supporting transverse support plate, 205 bag supporting welding plate, 206 bag supporting vertical plate, 3 two-side clamping devices, 301 guide rail mounting plate, 302 vertical plate, 303 guide rail, 304 bag tensioning servo motor, 305 driving wheel, 306 driven wheel, 307 synchronous belt, 308 slide block, 309 air claw mounting plate, 310 bag clamping air claw, 311 clamping jaw mounting plate, 312 tensioning clamping jaw, 313 bag clamping silica gel layer, 314 drive plate, 315 synchronous belt pressing plate, 316 photoelectric induction switch, 317 induction switch detection bracket, 318 origin detection switch bracket, 319 guide rail mounting plate support frame, 4 upper opening device, 401 upper guide rail, 402 upper slide block, top air cylinder base plate, 404 upper opening vertical plate, 405 upper opening air cylinder, 406 upper opening air cylinder, 407 upper opening top cylinder, 408 first upper opening linear bearing 409 first upper opening guide shaft, 410 first connecting plate, 411 second connecting plate, 412 bag rolling guide rail, 413 bag rolling slide block, 414 bag rolling cylinder, 415 bag rolling limit plate, 416 bag rolling limit device, 417 upper opening seat plate, 418 upper opening support vertical plate, 419 first suction cup seat, 420 second suction cup seat, 421 upper suction cup connecting rod, 422 upper opening suction cup, 423 second upper opening linear bearing, 424 second upper opening guide shaft, 425 upper opening spring, 426 upper suction cup flattening vertical plate, 427 upper suction cup flattening pressing plate, 5 lower opening device, 501 stroke cylinder cushion plate, 502 stroke cylinder bottom plate, 503 lower opening cylinder, 504 lower opening top cylinder, 505 rear positioning baffle, 506 rear positioning plate, 507 rear positioning extension bar, 508 lower opening mechanism, 509 lower opening mechanism mounting plate, 510 lower opening linear bearing, 511 lower opening guide shaft, 512 lower opening spring, 513 lower opening suction cup seat, 514 lower sucker flattening vertical plate, 515 lower sucker flattening pressing plate, 516 lower sucker connecting rod, 517 lower vacuum sucker, 518 lower stopper, 6 opening spreader, 602 opening bottom plate, 603 opening slide rail, 604 opening slide plate, 605 opening vertical plate, 606 opening cylinder seat plate, 607 opening cylinder, 608 lower opening support cylinder, 609 lower opening seat plate, 610 lower opening pressing plate, 611 upper opening support cylinder, 612 upper opening support seat plate, 613 upper opening pressing plate, 614 opening adjusting guide rail, 615 opening adjusting plate and 616 opening adjusting slide block.

Detailed Description

In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the attached drawings in the embodiments of the present invention will be combined below to clearly and completely describe the technical solution in the embodiments of the present invention.

In the embodiment shown in fig. 1-3, a high-precision lossless opening device for packaging bags comprises a frame 1, a lifting bag supporting device 2 for supporting the main body of the packaging bag and adjusting the height of the packaging bag, two side clamping devices 3 for clamping two sides of the packaging bag perpendicular to the opening side and pushing the packaging bag inwards or outwards, an upper opening device 4 for transferring the packaging bag onto the lifting bag supporting device 2 and adsorbing the upper end surface of the packaging bag to lift and rub the packaging bag in the bag opening process, a lower opening device 5 for adsorbing the lower end surface of the packaging bag, and an opening expanding device 6 for expanding and supporting the opening of the packaging bag, wherein the lifting bag supporting device 2, the lower opening device 5, and the opening expanding device 6 are sequentially arranged on the frame 1 along the X-axis direction, and the upper opening device 4 is arranged on the frame 1 and positioned above the lifting bag supporting device 2, the lower opening device 5, and the opening expanding device 6;

when the system is used, the packaging bag is adsorbed from the packaging bag righting device through the upper opening device 4 and transferred onto the lifting type bag supporting device 2, the height of the packaging bag is adjusted through the lifting type bag supporting device 2, the two sides of the packaging bag, perpendicular to the opening end, are clamped by the clamping devices 3 on the two sides, the lower opening device 5 adsorbs the lower end face of the opening of the packaging bag, the upper opening device 4 adsorbs the upper end face of the opening of the packaging bag, the upper opening device 4 moves upwards while rubbing the packaging bag, meanwhile, the packaging bag is pushed in the clamping devices 3 on the two sides, the packaging bag is rapidly opened, at the moment, the opening opened by the packaging bag is expanded and supported through the opening expanding device 6, the wound infusion apparatus can be filled into the packaging bag, the filled rear opening expanding device 6 withdraws from the opening of the packaging bag, the clamping devices 3 on the two sides pull the packaging bag outwards to flatten the opening of the packaging bag, so that no crease exists on the surface of the packaging bag, and the efficiency and success rate of the hot welding sealing operation of the packaging bag are improved.

In this embodiment, as shown in fig. 6 to 8, the two-side clamping device 3 includes a guide rail mounting plate 301, a vertical plate 302, a guide rail 303, a first clamping mechanism, a second clamping mechanism, a bag tensioning servo motor 304, a driving wheel 305, a driven wheel 306, and a timing belt 307, wherein:

the guide rail mounting plate 301 is arranged along the Y-axis direction, a guide rail 303 is mounted on the guide rail mounting plate 301 along the Y-axis direction, vertical plates 302 are arranged at two ends of the guide rail mounting plate 301, the vertical plates 302 are mounted on the rack 1, a motor mounting plate is fixed at the lower end of one vertical plate 302, a bag tensioning servo motor 304 is mounted on the motor mounting plate, a driving shaft of the bag tensioning servo motor 304 is connected with a driving wheel 305, a driven wheel 306 is rotatably arranged on the other vertical plate 302 through a driven wheel 306 mounting plate, and an annular closed synchronous belt 307 is arranged between the driving wheel 305 and the driven wheel 306;

a plurality of groups of first clamping mechanisms and second clamping mechanisms are arranged on the guide rail 303 at intervals, each of the first clamping mechanisms and the second clamping mechanisms comprises a sliding block 308, a pneumatic claw mounting plate 309, a bag clamping pneumatic claw 310, a clamping claw mounting plate 311, a tensioning clamping claw 312, a bag clamping silica gel layer 313, a driving plate 314 and a synchronous belt pressing plate 315, the sliding block 308 is arranged on the guide rail 303 in a sliding manner, the pneumatic claw mounting plate 309 is arranged at the upper end of the sliding block 308, the bag clamping pneumatic claw is arranged on the pneumatic claw mounting plate 309, the two claws of the bag clamping pneumatic claw 310 are opened and closed up and down, the clamping claw mounting plates 311 are arranged on the two claws of the bag clamping pneumatic claw 310, the tensioning clamping claw 312 is arranged on the clamping claw mounting plate 311, the bag clamping silica gel layer 313 is arranged at the closed end of the tensioning clamping claw 312, the driving plate 314 is arranged on one side of the sliding block 308 along the longitudinal direction, the synchronous belt pressing plate 315 is arranged on the driving plate 314, and the synchronous belt pressing plate 315 is connected with the synchronous belt 307;

the tensioning clamping jaws 312 of the first clamping mechanism and the second clamping mechanism are symmetrically arranged, the driving plates 314 of the first clamping mechanism and the second clamping mechanism are positioned on different sides of a circular closed synchronous belt 307, and the synchronous belt 307 drives the first clamping mechanism and the second clamping mechanism to approach or separate from each other when rotating;

when the two-side clamping device 3 is used, the two sides of the packaging bag are clamped by the tensioning clamping jaws 312 of the first clamping mechanism and the second clamping mechanism, the opening and closing of the upper and lower tensioning clamping jaws 312 are controlled by the bag clamping pneumatic claw 310, the bag tensioning servo motor 304 is started, the driving wheel 305 rotates to drive the synchronous belt 307 between the driving wheel 305 and the driven wheel 306 to rotate, the first clamping mechanism and the second clamping mechanism are installed on the two sides of the synchronous belt 307 through the synchronous belt pressing plate 315, when the synchronous belt 307 rotates clockwise, the first clamping mechanism and the second clamping mechanism are close to each other, the packaging bag is pushed inwards, when the synchronous belt 307 rotates anticlockwise, the packaging bag is pulled outwards and tensioned, when the packaging bag is supported on the bag supporting device 2, the bag clamping pneumatic claws 310 on the first clamping mechanism and the second clamping mechanism control the tensioning clamping jaws 312 to open, the synchronous belt 307 rotates clockwise, the tensioning clamping jaws 312 of the first clamping mechanism and the second clamping mechanism are close to move to positions corresponding to the positions on the two sides of the packaging bag, at the moment, the tensioning clamping jaws 312 are closed and clamp the packaging bag to move continuously, namely, the packaging bag can push the packaging bag inwards, the packaging bag to assist the opening, after the packaging bag is packed into the packaging bag, the packaging bag is sealed by the lifting type infusion apparatus, and the opening is transferred to be flattened anticlockwise rotated, and the sealing device, and the opening of the packaging bag is beneficial to be flattened.

In this embodiment, both sides clamping device 3 still includes photoelectric sensing switch 316, inductive switch detection support 317 and origin detection switch support 318, origin detection switch support 318 installs on guide rail mounting panel 301, installs photoelectric sensing switch 316 on the origin detection switch support 318, all install inductive switch detection support 317 on every first fixture and the second fixture, photoelectric sensing switch 316, inductive switch detection support 317 and origin detection switch support 318 set up the maximum distance that mainly is used for restricting first fixture and second fixture and remove along the Y axle for centre gripping, the interpolation and the tensioning operation to the wrapping bag are more accurate.

In this embodiment, both sides clamping device 3 still includes guide rail mounting panel support frame 319, the upper end of guide rail mounting panel support frame 319 is connected with the lower extreme of guide rail mounting panel 301, and the lower extreme and the ground of guide rail mounting panel support frame 319 are connected, play the effect of supporting guide rail mounting panel 301, strengthen guide rail mounting panel 301's stability.

In this embodiment, as shown in fig. 4 and 5, the lifting type bag supporting device 2 includes an air cylinder base plate 201, a bag supporting lifting air cylinder 202, a guide plate 203, a bag supporting transverse support plate 204, a bag supporting welding plate 205 and a bag supporting vertical plate 206, the air cylinder base plate 201 is mounted on the frame 1 or on a guide rail mounting plate, the bag supporting lifting air cylinder 202 is mounted on the air cylinder base plate 201, the top of the bag supporting lifting air cylinder 202 is mounted with a "7" -shaped right-angle guide plate 203, a longitudinal plate of the guide plate 203 is in clearance fit with a side surface of the bag supporting lifting air cylinder 202, the bag supporting transverse support plate 204 is mounted on the transverse plate of the guide plate 203, the bag supporting welding plates 205 are arranged on the bag supporting transverse support plate 204 at intervals along the Y-axis direction, a distance between the bag supporting welding plates 205 located at two ends is smaller than a width of the packaging bag, the bag supporting vertical plate 206 for limiting a descending height of the bag supporting welding plate 205 is mounted at an upper end of the air cylinder base plate 201, and the packaging bag is supported on the bag supporting welding plate 205. The bag supporting lifting cylinder 202 is opened according to the sagging degree of the two side edges of the packaging bag perpendicular to the opening end, and the height of the packaging bag is adjusted, so that the first clamping mechanism and the second clamping mechanism of the two-side clamping device 3 can smoothly clamp the two sides of the opening of the packaging bag.

In this embodiment, a lifting bag supporting device 2 is arranged between each group of the first clamping mechanism and the second clamping mechanism.

Further, as shown in fig. 9, the lower opening device 5 includes a stroke cylinder pad 501, a stroke cylinder base plate 502, a lower opening cylinder 503, a lower opening top cylinder 504, a rear positioning baffle 505, a rear positioning plate 506, a rear positioning extension rod 507, a lower opening mechanism 508, and a lower opening mechanism mounting plate 509, wherein:

the stroke cylinder base plate 501 is longitudinally arranged on the machine frame 1, the stroke cylinder base plate 502 is longitudinally arranged on the stroke cylinder base plate 501, a groove is formed in the outer side surface of the stroke cylinder base plate 502, a rear positioning baffle 505 and a rear positioning plate 506 are arranged in the groove at intervals from top to bottom, a lower opening cylinder 503 is arranged above the rear positioning baffle 505, a lower opening jacking cylinder 504 is arranged below the rear positioning plate 506, a jacking head of the lower opening jacking cylinder 504 upwards penetrates through the rear positioning plate 506 and then is connected with the rear positioning baffle 505, the lower end of the rear positioning extension rod 507 is connected with the upper end surface of the rear positioning plate 506, the upper end of the rear positioning extension rod is connected with the lower opening cylinder 503, a lower opening mechanism mounting plate 509 is horizontally arranged at the top of a piston cylinder of the lower opening cylinder 503, and lower opening mechanisms 508 are arranged on the lower opening mechanism mounting plate 509 at intervals;

the lower opening mechanism 508 comprises a lower opening linear bearing 510, a lower opening guide shaft 511, a lower opening spring 512, a lower opening sucker base 513, a lower sucker flattening vertical plate 514, a lower sucker flattening pressing plate 515, a lower sucker connecting rod 516, a lower vacuum sucker 517 and a lower limiter 518, the lower opening linear bearing 510 is arranged on a lower opening mechanism mounting plate 509 at intervals, the lower opening guide shaft 511 and the upper end of the lower opening guide shaft 511 are arranged in the lower opening linear bearing 510 and are connected through the lower opening sucker base 513, the lower opening sucker base 511 between the lower opening sucker base 513 and the lower opening linear bearing 510 is sleeved with the lower opening spring 512, the lower sucker flattening vertical plate 514 is arranged at two ends of the upper end surface of the lower opening sucker base 513, the lower sucker flattening pressing plate 515 is connected between the tops of the lower sucker flattening vertical plate 514, the lower sucker flattening pressing plate 517 is arranged on the lower sucker flattening pressing plate 515, the lower sucker connecting rod 517 is arranged on the lower opening sucker base 513 between the two lower sucker flattening vertical plates 514, the lower sucker connecting rod 516 is arranged on the lower sucker connecting rod 517, the lower sucker connecting rod 517 is arranged above the lower sucker base 518, and is arranged on the lower sucker connecting rod 518, and corresponds to the lower sucker positioning hole 518;

when the lower opening device 5 is used, the lower opening cylinder 503 extends and pushes up the lower opening mechanism 508, so that the lower vacuum suction cup 517 is adsorbed on the lower end face of the opening of the packaging bag, and the lower opening cylinder 503 contracts and pulls down the lower opening mechanism 508, so that the lower vacuum suction cup 517 pulls down the lower end face of the packaging bag.

In this embodiment, as shown in fig. 10 to 12, the upper opening device 4 includes an upper guide rail 401, an upper slide block 402, a top cylinder bottom plate 403, an upper opening vertical plate 404, an upper opening cylinder seat plate 405, an upper opening cylinder 406, an upper opening top cylinder 407, a first upper opening linear bearing 408, a first upper opening guide shaft 409, a first connection plate 410, a second connection plate 411, a bag rolling guide rail 412, a bag rolling slide block 413, a bag rolling cylinder 414, a bag rolling limit plate 415, a bag rolling limit stop 416, and an upper opening mechanism, where:

two sides of the lower end surface of the top cylinder bottom plate 403 are provided with upper sliding blocks 402 along the X-axis direction, the upper sliding blocks 402 are connected with an upper guide rail 401 arranged on the rack 1 along the X-axis direction, the lower end surface of the top cylinder bottom plate 403 is symmetrically provided with upper opening vertical plates 404, the bottoms of the two upper opening vertical plates 404 are connected through an upper opening cylinder seat plate 405, an upper opening cylinder 406 is mounted on the upper opening cylinder seat plate 405, two sides of the upper opening cylinder 406 are provided with upper opening top cylinders 407, a piston rod of the upper opening cylinder 406 downwards passes through the upper opening cylinder seat plate 405 and is connected with a first connecting plate 410 arranged horizontally, a first upper opening linear bearing 408 is symmetrically mounted on the upper opening cylinder seat plate 405, a first upper opening guide shaft 408 is mounted in the first upper opening linear bearing 408, the lower end of the first upper opening guide shaft 409 is fixed on the first connecting plate 410, the lower end of the first connecting plate 410 is provided with a rubbing bag sliding bag slider 413 along the Y-axis direction, a second connecting plate 411 is horizontally arranged below the first connecting plate 410, the upper end surface of the second connecting plate 411 is provided with a rubbing bag mechanism 416 for limiting plate 410, the sliding of the first connecting plate 410, the upper opening limiting plate 410 is mounted on the upper end surface of the first connecting plate 410;

the upper opening device 4 is used for taking down the packaging bag moving righting device, the upper opening device 4 is moved to the upper portion of the lifting type bag supporting device 2 along the upper guide rail 401 through an air cylinder or other driving mechanisms, the upper opening air cylinder 406 extends out, meanwhile, the upper opening top cylinder 407 also extends out, the packaging bag is placed on a bag supporting welding plate of the lifting type bag supporting device 2, a main body of the packaging bag is supported by the bag supporting welding plate to prevent sagging, the bag tensioning servo motor drives the tensioning clamping jaw to move, the packaging bag is clamped by the tensioning clamping jaw, the bag rubbing air cylinder 414 acts when the upper opening air cylinder 406 retracts, the lower opening air cylinder 503 retracts, meanwhile, the bag tensioning servo motor drives the tensioning clamping jaw to push the packaging bag inwards, the opening of the packaging bag is smoothly opened, and the opening of the packaging bag is expanded through the opening device 6 and the opening of the packaging bag is supported.

In this embodiment, the upper opening mechanism includes an upper opening seat plate 417, an upper opening support vertical plate 418, a first suction cup seat 419, a second suction cup seat 420, an upper suction cup link 421, an upper opening suction cup 422, a second upper opening linear bearing 423, a second upper opening guide shaft 424, an upper opening spring 425, an upper suction cup flat vertical plate 426, and an upper suction cup flat pressing plate 427, where:

the upper open seat plate 417 is installed on the lower end surface of the second connecting plate 411, one end of the upper open seat plate 417 close to the opening of the packaging bag is installed with a second upper open linear bearing 423, a second upper open guide shaft 424 is installed in the second upper open linear bearing 423, the lower end of the second upper open guide shaft 424 is connected through a first sucker seat 419, an upper open spring 425 is sleeved on the second upper open guide shaft 424 between the first sucker seat 419 and the upper open seat plate 417, an upper sucker connecting rod 421 is installed on the first sucker seat 419, an upper open sucker 422 is installed at the lower end of the upper sucker connecting rod 421, an upper sucker flattening vertical plate 426 is installed at one end of the lower end surface of the first sucker seat 419 far away from the opening of the packaging bag, an upper sucker flattening pressing plate 427 extending to the upper open sucker 422 is installed at the lower end of the upper sucker flattening vertical plate 426, the upper sucker flattening pressing plate 427 is provided with a sucker perforation, the main body of the upper open sucker 422 penetrates through the sucker perforation, the bottom of the upper open sucker 422 is positioned below the sucker perforation, the middle part of the lower end surface of the upper open seat plate 417 is provided with an upper open supporting vertical plate 418, the lower end of the upper open supporting vertical plate 418 is horizontally provided with a second sucker seat 420, an upper sucker connecting rod 421 is also arranged on the second sucker seat 420, the lower end of the upper sucker connecting rod 421 on the second sucker seat 420 is provided with the upper open sucker 422, the upper open sucker 422 is adsorbed on the upper end surface of the packaging bag under the action of the upper open cylinder 406 during use, so that the opening of the packaging bag is rubbed to open a seam when the bag rubbing cylinder 414 acts, and when the upper open cylinder 406 is withdrawn, the upper end surface of the packaging bag is lifted to open a seam.

In this embodiment, as shown in fig. 13 and 14, the opening device 6 includes an opening bottom plate 602, an opening slide rail 603, an opening slide plate 604, an opening vertical plate 605, an opening cylinder seat plate 606, an opening cylinder 607, an upper opening component and a lower opening component, the opening bottom plate 602 is fixed on the rack, the opening slide rail 603 is arranged on the upper end surface of the opening bag bottom plate along the X-axis direction, the opening slide plate 604 is installed on the opening slide rail 603, the opening cylinder seat plate 606 is installed at the rear end of the upper end surface of the opening bottom plate 602, one end of the opening cylinder 607 is connected with the opening cylinder seat plate 606, the other end is connected with the opening slide plate 604, the opening vertical plate 605 is vertically installed on the upper end surface of the opening slide plate 604, and the upper opening component and the lower opening component are installed on the opening vertical plate 605;

the lower opening assembly comprises a lower opening supporting cylinder 608, a lower opening seat plate 609 and a lower opening pressing sheet 610, the lower opening supporting cylinder 608 is installed on the opening seat plate 605, the upper end of the lower opening supporting cylinder 608 is fixedly connected with the lower opening seat plate 609 arranged horizontally, and the lower opening pressing sheet 610 extending out of the lower opening seat plate 609 is installed on the upper end surface of the lower opening seat plate 609;

the upper opening assembly comprises an upper opening supporting cylinder 611, an upper opening supporting seat plate 612 and an upper opening pressing plate 613, a through hole is formed in the lower opening seat plate 609, a piston rod of the upper opening supporting cylinder 611 penetrates through the through hole of the lower opening seat plate 609 and then is fixedly connected with the horizontally arranged upper opening supporting seat plate 612, and the lower end surface of the upper opening supporting seat plate 612 is provided with the upper opening pressing plate 613 extending out of the upper opening supporting seat plate 612;

the opening cylinder base plate 606 is provided with a bag opening adjusting guide rail 614, the lower end of the lower opening base plate 609 is connected with a bag opening adjusting plate 615, and the bag opening adjusting plate 615 is provided with a bag opening adjusting slide block 616 matched with the bag opening adjusting guide rail 614;

the opening sliding plate 604 is pushed by the opening cylinder 607 to move towards the opening of the packaging bag, so that the upper opening pressing sheet 613 and the lower opening pressing sheet 610 are inserted into the bag opening gap of the packaging bag, the upper opening pressing sheet 613 is controlled to move upwards by the upper opening supporting cylinder 611, the lower opening pressing sheet 610 is controlled to move downwards by the lower opening supporting cylinder 608, the opening of the packaging bag is rapidly enlarged to a required size from the gap and supports the opening of the packaging bag, the coiled infusion apparatus is smoothly pushed into the packaging bag, then the opening cylinder 607 is retracted, the upper opening pressing sheet 613 and the lower opening pressing sheet 610 withdraw from the opening of the packaging bag, and the two sides of the opening of the packaging bag are pulled outwards and flattened by the two-side clamping devices 3.

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 (10)

1. The utility model provides a wrapping bag high accuracy can't harm opening equipment which characterized in that: including the frame, be used for holding up the main part of wrapping bag and adjust the packing bag height over-and-under type hold in the palm bagging apparatus, be used for with the wrapping bag hold with opening side vertically both sides and push away the wrapping bag in inside or pull the both sides clamping device of wrapping bag outward, be used for with the wrapping bag shift to the over-and-under type hold in the palm the bagging apparatus on and adsorb the wrapping bag up end and carry out the last opening device who lifts and rub the bag operation, be used for adsorbing the lower opening device of terminal surface under the wrapping bag and be used for expanding and the opening distraction device that supports the wrapping bag opening, over-and-under type holds in the palm bagging apparatus, lower opening device and opening distraction device along the X axle direction and sets gradually in the frame, last opening device installs in the frame and is located over-and over type hold in the palm bagging apparatus, lower opening device and opening distraction device.

2. A high-precision non-destructive opening apparatus for a packing bag according to claim 1, wherein: both sides clamping device includes guide rail mounting panel, riser, guide rail, first fixture, second fixture, bag tensioning servo motor, action wheel, follows driving wheel and hold-in range, wherein:

the bag tensioning device comprises a rack, a guide rail mounting plate, a motor mounting plate, a bag tensioning servo motor, a driving shaft of the bag tensioning servo motor, a driven wheel, a synchronous belt and a synchronous belt, wherein the guide rail mounting plate is arranged along the Y-axis direction;

the bag clamping device is characterized in that a plurality of groups of first clamping mechanisms and second clamping mechanisms are arranged on the guide rail at intervals, each of the first clamping mechanisms and the second clamping mechanisms comprises a sliding block, a pneumatic claw mounting plate, a bag clamping pneumatic claw, a clamping claw mounting plate, a tensioning clamping claw, a bag clamping silica gel layer, a driving plate and a synchronous belt pressing plate, the sliding blocks are arranged on the guide rail in a sliding mode, the pneumatic claw mounting plates are arranged at the upper ends of the sliding blocks, the bag clamping pneumatic claws are mounted on the pneumatic claw mounting plates, the two claws of the bag clamping pneumatic claws are opened and closed up and down, the clamping claw mounting plates are mounted on the two claws of the bag clamping pneumatic claw, the tensioning clamping claws are mounted on the clamping claw mounting plates, the bag clamping silica gel layer is arranged at the closed ends of the tensioning clamping claws, the driving plate is longitudinally arranged on one side of the sliding block, the synchronous belt pressing plate is mounted on the driving plate, and the synchronous belt pressing plate is connected with a synchronous belt;

the tensioning clamping jaws of the first clamping mechanism and the second clamping mechanism are symmetrically arranged, the driving plates of the first clamping mechanism and the second clamping mechanism are located on different sides of an annular closed synchronous belt, and the first clamping mechanism and the second clamping mechanism are driven to be close to or far away from each other when the synchronous belt rotates.

3. A high-precision nondestructive opening apparatus for a packaging bag according to claim 2, wherein: both sides clamping device still includes photoelectric sensing switch, inductive switch detection support and initial point detection switch support, initial point detection switch support mounting is on the guide rail mounting panel, installs photoelectric sensing switch on the initial point detection switch support, all install inductive switch on every first fixture and the second fixture and detect the support.

4. A high-precision non-destructive opening apparatus for a packing bag according to claim 3, wherein: the clamping devices on the two sides further comprise guide rail mounting plate supporting frames, the upper ends of the guide rail mounting plate supporting frames are connected with the lower ends of the guide rail mounting plates, and the lower ends of the guide rail mounting plate supporting frames are connected with the ground.

5. A high-precision nondestructive opening apparatus for a packaging bag according to claim 2, wherein: the lifting type bag supporting device comprises an air cylinder seat plate, a bag supporting lifting air cylinder, a guide plate, a bag supporting transverse supporting plate, a bag supporting welding plate and a bag supporting vertical plate, wherein the air cylinder seat plate is installed on a rack or a guide rail installation plate, the bag supporting lifting air cylinder is installed on the air cylinder seat plate, the top of the bag supporting lifting air cylinder is provided with a right-angle guide plate in a shape of '7', a longitudinal plate of the guide plate is in clearance fit with the side surface of the bag supporting lifting air cylinder, the bag supporting transverse supporting plate is installed on the transverse plate of the guide plate, the bag supporting welding plates are arranged on the bag supporting transverse supporting plate at intervals along the Y-axis direction, the distance between the bag supporting welding plates at two ends is smaller than the width of a packaging bag, and the bag supporting vertical plate used for limiting the descending height of the bag supporting welding plates is installed at the upper end of the air cylinder seat plate.

6. The apparatus for opening a packaging bag with high precision and without damage as set forth in claim 5, wherein: and a lifting bag supporting device is arranged between each group of the first clamping mechanism and the second clamping mechanism.

7. The apparatus for opening a packaging bag with high precision and without damage as set forth in claim 5, wherein: lower opening device includes stroke cylinder backing plate, stroke cylinder bottom plate, lower opening cylinder, under shed top cylinder, back positioning baffle, back locating plate, back location extension bar, under shed mechanism and under shed mechanism mounting panel, wherein:

the stroke cylinder base plate is longitudinally arranged on the rack, the stroke cylinder bottom plate is longitudinally arranged on the stroke cylinder base plate, a groove is formed in the outer side surface of the stroke cylinder bottom plate, a rear positioning baffle and a rear positioning plate are arranged in the groove at intervals up and down, a lower opening cylinder is arranged above the rear positioning baffle, a lower opening jacking cylinder is arranged below the rear positioning plate, a jacking head of the lower opening jacking cylinder penetrates through the rear positioning plate upwards and then is connected with the rear positioning baffle, the lower end of the rear positioning extension rod is connected with the upper end face of the rear positioning plate, the upper end of the rear positioning extension rod is connected with the lower opening cylinder, a lower opening mechanism mounting plate is horizontally arranged at the top of a piston cylinder of the lower opening cylinder, and lower opening mechanisms are arranged on the lower opening mechanism mounting plate at intervals;

the lower opening mechanism comprises a lower opening linear bearing, a lower opening guide shaft, a lower opening spring, a lower opening sucker seat, a lower sucker flattening vertical plate, a lower sucker flattening pressing plate, a lower sucker connecting rod, a lower vacuum sucker and a lower limiter, wherein the lower opening sucker seat, the lower sucker flattening vertical plate, the lower sucker flattening pressing plate, the lower sucker connecting rod, the lower vacuum sucker and the lower limiter are arranged on a lower opening mechanism mounting plate at intervals, the lower opening guide shaft is arranged in the lower opening linear bearing, the upper ends of the lower opening guide shaft and the lower opening guide shaft are connected through the lower opening sucker seat, the lower opening spring is sleeved on the lower opening guide shaft between the lower opening sucker seat and the lower opening linear bearing, the lower sucker flattening vertical plate is arranged at two ends of the upper end surface of the lower opening sucker seat, the lower sucker flattening vertical plate flattening pressing plate is connected between the top of the lower sucker flattening vertical plate flattening pressing plate, a lower vacuum sucker perforation hole is formed in the lower sucker flattening pressing plate, the lower opening sucker connecting rod is arranged on the lower opening seat between the two lower sucker flattening vertical plate, the top of the lower sucker connecting rod is provided with the lower vacuum sucker, the lower sucker is arranged at the top of the lower opening mechanism mounting plate, the lower opening sucker seat, the lower opening mechanism mounting plate corresponds to the lower sucker opening position of the lower sucker.

8. The apparatus for opening a packaging bag with high precision and without damage as set forth in claim 7, wherein: go up opening device includes upper guideway, top slide, top cylinder bottom plate, upper shed riser, upper shed cylinder bedplate, upper shed cylinder, upper shed top jar, upper shed linear bearing, upper shed guide shaft, first connecting plate, second connecting plate, rub a bag guide rail, rub a bag slider with the hands, rub a bag cylinder with the hands, rub a bag limiting plate with the hands, rub a bag stopper with the hands and go up opening mechanism, wherein:

the upper end face of the second connecting plate is provided with a bag rubbing guide rail along the Y-axis direction, the bag rubbing slide block is arranged on the bag rubbing guide rail, one end of the upper end face of the second connecting plate is provided with a bag rubbing air cylinder, a piston rod of the bag rubbing air cylinder is connected to the first connecting plate along the Y-axis direction, the upper end face of the second connecting plate is provided with a bag rubbing guide rail along the Y-axis direction, the bag rubbing slide block is arranged on the bag rubbing guide rail, and a limiting plate for limiting the upper opening of the first connecting plate is arranged on the upper end face of the second connecting plate.

9. The apparatus for opening a packaging bag with high precision and without damage as set forth in claim 8, wherein: go up opening mechanism and include that open end bedplate, open end support riser, first sucking disc seat, second sucking disc seat, upper sucker connecting rod, open end sucking disc, open end linear bearing, upper shed guide axle, open end spring, upper sucker flatten the riser and the last sucking disc clamp plate that flattens, wherein:

the upper opening seat plate is installed on the lower end face of the second connecting plate, an upper opening linear bearing is installed at one end, close to the opening of the packaging bag, of the upper opening seat plate, an upper opening guide shaft is installed in the upper opening linear bearing, the lower end of the upper opening guide shaft is connected through a first sucker seat, an upper opening spring is sleeved on the upper opening guide shaft between the first sucker seat and the upper opening seat plate, an upper sucker connecting rod is installed on the first sucker seat, an upper opening sucker is installed at the lower end of the upper sucker connecting rod, an upper sucker flattening vertical plate is arranged at one end, far away from the opening of the packaging bag, of the lower end face of the first sucker seat, an upper sucker flattening pressing plate extending to the upper opening sucker is installed at the lower end of the upper sucker flattening vertical plate, a sucker through hole is formed in the upper sucker flattening pressing plate, a main body of the upper opening sucker penetrates through hole, the bottom of the upper opening sucker is located below the sucker through hole, an upper opening supporting vertical plate is arranged in the middle of the lower end face of the upper opening seat plate, a second sucker seat is horizontally provided with a second sucker seat, an upper sucker connecting rod is also installed on the second sucker seat.

10. A high-precision non-destructive opening apparatus for a packing bag according to claim 1, wherein: the opening device comprises an opening bottom plate, an opening sliding rail, an opening sliding plate, an opening vertical plate, an opening cylinder seat plate, an opening cylinder, an upper opening assembly and a lower opening assembly, wherein the opening bottom plate is fixed on the rack, the upper end surface of the opening bag bottom plate is provided with the opening sliding rail along the X-axis direction, the opening sliding plate is installed on the opening sliding rail, the opening cylinder seat plate is installed 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 sliding plate, the upper end surface of the opening sliding plate is vertically provided with the opening vertical plate, and the upper opening assembly and the lower opening assembly are installed on the opening vertical plate;

the lower opening assembly comprises a lower opening supporting cylinder, a lower opening seat plate and a lower opening pressing plate, the lower opening supporting cylinder is installed on the opening vertical plate, the upper end of the lower opening supporting cylinder is fixedly connected with the lower opening seat plate which is horizontally arranged, and the lower opening pressing plate extending out of the lower opening seat plate is installed on the upper end face of the lower opening seat plate;

the upper opening assembly comprises an upper opening support cylinder, an upper opening support seat plate and an upper opening pressing sheet, a through hole is formed in the lower opening seat plate, a piston rod of the upper opening support cylinder penetrates through the through hole of the lower opening seat plate and then is fixedly connected with the horizontally arranged upper opening support seat plate, and the lower end face of the upper opening support seat plate is provided with the upper opening pressing sheet extending out of the upper opening support seat plate;

the bag opening adjusting device is characterized in that the opening cylinder seat plate is provided with a bag opening adjusting guide rail, the lower end of the lower opening seat plate is connected with a bag opening adjusting plate, and the bag opening adjusting plate is provided with a bag opening adjusting slide block matched with the bag opening adjusting guide rail.

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