The content of the invention
It is a primary object of the present invention to provide a kind of packaging bag device for opening, it is intended to realize that mechanization opens the package,
To improve blood bag packaging efficiency.
To achieve these goals, the present invention provides a kind of packaging bag device for opening, and the packaging bag device for opening includes
Plummer, support body, upper adsorbing mechanism, the first power set, lower adsorbing mechanism and bag mechanism is pulled, the support body, lower adsorbing mechanism
It is arranged on bag mechanism is pulled on the plummer, the upper adsorbing mechanism is arranged on the support body by first power set
On, the upper adsorbing mechanism can move back and forth in the presence of first power set along horizontally and vertically direction, with from
Packaging bag is captured at bag device and is moved to the top of the lower adsorbing mechanism, the lower adsorbing mechanism and lower adsorbing mechanism point
It Yong Yu not adsorb and pull the sack of upper side and the downside of packaging bag to open the package, the bag mechanism that pulls includes two
Clamping jaw and the second power set, second power set be used to drive move back and forth before and after described two clamping jaws, drive described in
Two clamping jaws are mutually drawn close or are located remotely from each other and drive described two clamping jaws to open and clamp the both sides of the edge of packing bag mouth.
Preferably, the upper adsorbing mechanism include upper suction cup carrier, multiple upper suckers on the downside of the upper suction cup carrier,
And upper sucker actuator, the upper sucker actuator are connected between sucker and upper suction cup carrier, for being driven in crawl packaging bag
The lower shake of dynamic upper sucker, to shake off the packaging bag that adsorbed packaging bag bottom is adhered to.
Preferably, the upper adsorbing mechanism further comprises sucker connector, and the upper sucker is connected by the sucker
Part is arranged on upper sucker actuator, and the sucker connector is provided with the longitudinal trough for being used for adjusting sucker installation site.
Preferably, first power set include the first level that the upper adsorbing mechanism of control moves back and forth in the horizontal direction
The first vertical actuator, connecting seat and the first straight line guide rail that adsorbing mechanism vertically moves back and forth on actuator, control
Pair, the first vertical actuator is connected between the connecting seat and the upper suction cup carrier of upper adsorbing mechanism, to be adsorbed in driving
Mechanism vertically moves back and forth up and down, the connecting seat by the first straight line guideway it is horizontally moveable be arranged on
On the support body, under the first level actuator driving effect, the connecting seat is together with the first vertical actuator and upper suction
Random structure can move back and forth in the horizontal direction together.
Preferably, second power set include:
Horizontal drive mechanism, for driving two clamping jaws to move forward to packaging bag position, and clamping packaging bag
After be moved rearwards;
Synchronizing moving drive mechanism, it is slidably mounted on the horizontal drive mechanism, for driving two clamping jaws to exist
Upper adsorbing mechanism and lower adsorbing mechanism pull up and down progressively to be drawn close while packaging bag to centre, and for driving two clamping jaws
It is located remotely from each other after workpiece enters packaging to pull straight packaging sack;And
Clamping jaw actuator, in the synchronizing moving drive mechanism, for driving the clamping jaw to open and then clamping
The both sides of the edge of packing bag mouth.
Preferably, the horizontal drive mechanism includes the second horizontal drive part, second straight line guideway, the synchronizing moving
Drive mechanism must be slidably arranged on the second straight line guideway, and the second horizontal drive part drives with the synchronizing moving
Motivation structure is fixedly connected to drive the synchronizing moving drive mechanism is front and rear in the horizontal direction to move back and forth.
Preferably, the synchronizing moving drive mechanism includes timing belt, synchronous pulley, flute profile idle pulley, motor, two timing belts
Briquetting and the 3rd line slideway auxiliary, the 3rd line slideway auxiliary include the 3rd line slideway and two the 3rd sliding blocks, the synchronization
Band is set on the synchronous pulley and flute profile idle pulley, including front side band portion and rear side band portion, the two timing belts briquetting difference
On two the 3rd sliding block, and the front side band portion and rear side band portion of the timing belt are compressed respectively, two clamping jaw point
It is not fixedly connected with two timing belt briquettings, the motor is connected with the synchronous pulley, to drive synchronous pulley to drive timing belt
Forward or reverse, and then drive two clamping jaws with the mutually fixation of timing belt briquetting to be drawn close to centre or mutually remote.
Preferably, the bag mechanism that pulls also includes two trough type photoelectric sensors, described two trough type photoelectric sensor peaces
Mounted in the side of the 3rd line slideway, the side of one of described two the 3rd sliding block is correspondingly fixed with catch.
Preferably, the lower adsorbing mechanism includes lower suction cup carrier, the lower sucker in the lower suction cup carrier, Yi Jiyong
In the 3rd power set for driving the lower sucker to be moved back and forth on vertically.
Preferably, the plummer is provided with bag device, for supplying packaging bag to packaging bag device for opening.
The packaging bag device for opening of the present invention, can realize that mechanization opens the package, can when being packed applied to blood bag
Improve blood bag packaging efficiency.Bag mechanism is pulled by setting, the opening of packaging bag can be made more smooth, and energy packaging bag is opened
Load and ensure to open bag center reference by pulling bag mechanism after product to be packaged (such as blood bag) and pull straight packaging after workpiece enters bag
Bag is convenient for next process (heat sealing) operation, to ensure the smooth corrugationless of sack at hot melt.
Embodiment
It should be appreciated that embodiment described herein is not used to limit this hair only to explain the present invention
It is bright.
An embodiment of packaging bag device for opening of the present invention as shown in Figure 1 to Figure 7 shows the.In the present embodiment, packaging bag is beaten
Opening apparatus 2 includes plummer 21, support body 22, upper adsorbing mechanism 23, the first power set 24, lower adsorbing mechanism 25 and pulls bag mechanism
26.Support body 22, lower adsorbing mechanism 25 and bag mechanism 26 is pulled on the plummer 21, upper adsorbing mechanism 23 passes through the first power and filled
Put 24 to be arranged on support body 22, upper adsorbing mechanism 23 can be past along horizontally and vertically direction in the presence of the first power set 24
Multiple mobile, to capture packaging bag 10 at bag device 1 and be moved to the top of lower adsorbing mechanism 25, lower adsorbing mechanism 25 is with
Adsorbing mechanism 25 is respectively used to adsorb and pulls upper side and the downside of packaging bag 10 (as shown in Figure 7) to open the package 10
Sack.
Reference picture 2 and Fig. 3, upper adsorbing mechanism 23 include upper suction cup carrier 231 and installed in the multiple of the upper downside of suction cup carrier 231
Upper sucker 232.Upper sucker 232 can provide absorption affinity by external vacuum pump.
In the present embodiment, the quantity of upper sucker 232 is four, and the four upper rectangular array of sucker 232 distributions.Upper suction
The installation site of disk 232 is adjustable with applicable different size of packaging bag 10.The quantity and installation site of upper sucker 232 not office
Limit is in this way, respective change can be carried out as needed, as long as packaging bag 10 can be picked up smoothly, and coordinate lower adsorbing mechanism 25 can
Open the package 10 sack.For example, in other embodiments, upper sucker 232 can also be three and battle array triangular in shape
Column distribution, or for five, i.e., the center of sucker 232 sets sucker on one again on four of rectangular array distribution
232。
As a further improvement, upper adsorbing mechanism 23 further comprises sucker actuator 233, upper sucker actuator 233
It is connected between sucker 232 and upper suction cup carrier 231, is moved for driving under the upper in the vertical direction of sucker 232.When on four
During 232 draw package bag 10 of sucker, it is possible to which two packaging bags 10 then go up the band of sucker actuator 233 because electrostatic sticks together
Dynamic upper sucker is shaken about 232, and that beneath packaging bag 10 is shaken off.Upper sucker actuator 233 can use cylinder, electric cylinders,
Or leading screw adds motor isoline drive mechanism, it is preferred to use cylinder.
Specifically, in the present embodiment, upper adsorbing mechanism 23 further comprises sucker connector 234, and upper sucker 232 passes through
Sucker connector 234 is arranged on upper sucker actuator 233, and sucker connector 234 is provided with to be installed for adjusting sucker 232
The longitudinal trough 2341 of position, upper sucker 232 are arranged on the first end of sucker connector 234, and longitudinal trough 2341 is located at sucker connection
Second end of part 234, by fastener such as screw through longitudinal trough 2341 with by sucker connector 234 together with upper sucker 232
It is installed along with sucker actuator 233, is connected by adjusting position and regulation sucker of the fastener in longitudinal trough 2341
The installation position of fitting 234, the installation site of sucker 232 can be adjusted, with adapt to the crawl of different size packaging bag 10 and
Open bag requirement.The position of longitudinal trough 2341 is not limited to set the second end of sucker connector 234, in other embodiments, also
Can set longitudinal trough to install sucker 232 in the first end of sucker connector 234, by adjusting upper sucker 232 vertical
The installation position of position and regulation sucker connector 234 in elongated slot, to adjust the installation site of upper sucker 232.
First power set 24 include the first level actuator that the upper adsorbing mechanism 23 of control moves back and forth in the horizontal direction
241st, the first vertical actuator 242, connecting seat 243 and the first straight line that adsorbing mechanism 23 vertically moves back and forth in control
Guideway 244.First vertical actuator 242 is connected between connecting seat 243 and the upper suction cup carrier 231 of upper adsorbing mechanism 23, with
Adsorbing mechanism 23 vertically moves back and forth up and down in driving.Connecting seat 243 horizontal can be moved by first straight line guideway 244
It is arranged on dynamicly on support body 22, first straight line guideway 244 includes line slideway 2441 and is slidably mounted in line slideway
The first sliding block 2442 on 2441, line slideway 2441 are fixed on support body 22, and the first sliding block 2442 is fixed on connecting seat 243
Bottom, the first vertical actuator 242 are connected with the first sliding block 2442.Under the driving effect of first level actuator 241, connecting seat
243 move back and forth in the horizontal direction together with the first vertical actuator 242 and upper adsorbing mechanism 23.First level actuator
241 and first vertical actuator 242 motor isoline drive mechanism can be added using cylinder, electric cylinders or chain, it is preferred to use
Electric cylinders.
Drag chain 245 is provided between first vertical actuator 242 and connecting seat 243 for collection connecting line and tracheae.
Drag chain 246 is provided with for collection connecting line and tracheae in the side of first straight line guideway 244 on support body 22, prevents connecting line
It is broken with tracheae during motion.
Reference picture 5 and Fig. 6, pulling bag mechanism 26 includes two power set 262 of clamping jaw 261 and second.Each clamping jaw 261
Including in the upper fixture block 2611 and lower fixture block 2611 being oppositely arranged, the second power set 262 are used for the upper fixture block for driving clamping jaw 261
2611 and lower fixture block 2611 is opened or holding action (as shown in dotted arrow A at clamping jaw in Fig. 5), the second power set
262 are additionally operable to move back and forth (as shown in dotted line four-headed arrow B in Fig. 5) before and after two clamping jaws 261 of driving, and two folders of driving
Pawl 261 is mutually drawn close or is located remotely from each other (as shown in dotted line four-headed arrow C in Fig. 5).
After packaging bag 10 is moved to above lower adsorbing mechanism 25 by upper adsorbing mechanism 23, the second power set 262 drive
Two clamping jaws 261 move forward, after two clamping jaws 261 clamp the both sides of the edge of the sack of packaging bag 10 respectively, upper adsorbing mechanism 23
While pulling packaging bag 10 about 25 with lower adsorbing mechanism, the second power set 262 drive two clamping jaws 261 progressively to centre
Draw close, ensure that the center reference of packaging bag 10 keeps origin-location not changed with bag is opened, so as to beneficial to be packaged
Workpiece (such as blood bag) enters bag.After workpiece to be packaged (such as blood bag) enters bag, two clamping jaws 261 clamp 10 bags of packaging bag respectively
The both sides of the edge of mouth, drive two clamping jaws 261 to be moved rearwards by the second power set 262 and pull straight sack, moved to hot melt
Heat sealing on the position of knife, to ensure the smooth corrugationless of sack at hot melt.
As a further improvement, the second power set 262 include horizontal drive mechanism, synchronizing moving drive mechanism and clamping jaw
Actuator 260.Horizontal drive mechanism is used to drive two clamping jaws 261 to move forward to packaging bag position, and is clamping bag
Next step heat sealing process is moved back into after pack.Synchronizing moving drive mechanism is slidably mounted in horizontal drive machine
On structure, progressively to centre while for driving two clamping jaws to be pulled above and below upper adsorbing mechanism and lower adsorbing mechanism in packaging bag
Draw close to ensure that the center reference of packaging bag keeps origin-location not changed with bag is opened, and for driving two folders
Pawl is located remotely from each other after workpiece enters packaging ensures after packaging bag smooth corrugationless after heat sealing to pull straight packaging sack.Clamping jaw
Actuator 260 is arranged in synchronizing moving drive mechanism, and upper fixture block 2611 and lower fixture block 2611 for driving clamping jaw 261 are opened
Then the both sides of the edge of packing bag mouth are clamped, clamping jaw actuator 260 can use cylinder.
Horizontal drive mechanism includes the second horizontal drive part 263, second straight line guideway 264, second straight line guideway 264
Two pairs of quantity and in being arranged side by side, each second straight line guideway 264 includes second straight line guide rail 2641 and slideably pacified
The second sliding block 2642 on second straight line guide rail 2641, second straight line guide rail 2641 are fixed on plummer by a mounting seat
On 21, the second sliding block 2642 is fixed on the bottom of synchronizing moving drive mechanism.Under the driving effect of the second horizontal drive part 263,
Synchronizing moving drive mechanism is front and rear in the horizontal direction to be moved back and forth.Second horizontal drive part 263 can use cylinder, electric cylinders or
Person's chain adds motor isoline drive mechanism, it is preferred to use electric cylinders.
It is same that synchronizing moving drive mechanism includes timing belt 266, synchronous pulley 2671, flute profile idle pulley 2672, motor 268, two
The step band line slideway auxiliary 265 of briquetting 269 and the 3rd.3rd line slideway auxiliary 265 includes the 3rd line slideway 2651 and two the 3rd
Sliding block 2652.3rd line slideway 2651 of the 3rd line slideway auxiliary 265 is arranged on plummer by second straight line guideway 264
On 21.Second sliding block 2642 is fixed on the bottom of the 3rd line slideway 2651.Second horizontal drive part 263 and the 3rd line slideway
2651 connections.The part of 3rd line slideway 2651 itself and upper installation is front and rear in the horizontal direction together to be moved back and forth.Timing belt 266
It is set on synchronous pulley 2671 and flute profile idle pulley 2672, including front side band portion 2661 and rear side band portion 2662, two is synchronous with pressure
Block 269 is respectively and fixedly installed to (be slidably mounted on horizontal drive mechanism) on two the 3rd sliding blocks 2652, and respectively
The front side band portion 2661 and rear side band portion 2662 of timing belt 266 are compressed, two clamping jaws 261 are separately mounted on two the 3rd sliding blocks 2652
(i.e. two clamping jaws 261 are fixedly connected with two timing belt briquettings 269).Motor 268 is connected with synchronous pulley 2671, to drive timing belt
Wheel 267 drives the forward or reverse of timing belt 266, and then drives two the 3rd sliding blocks 2652 fixed with the phase of timing belt briquetting 269 to move
It is dynamic, two clamping jaws 261 on two the 3rd sliding blocks 2652 is drawn close to centre or is made two clamping jaws on two the 3rd sliding blocks 2652
261 are located remotely from each other.
After packaging bag 10 is moved to above lower adsorbing mechanism 25 by upper adsorbing mechanism 23, pass through the second horizontal drive part
263 the 3rd line slideway auxiliaries 265 of driving move forward, and then drive two clamping jaws 261 to go ahead movement, two clamping jaws 261
After opening the both sides of the edge for then clamping the sack of packaging bag 10 respectively, upper adsorbing mechanism 23 and lower adsorbing mechanism pull bag about 25
While packing 10, motor 268 drives synchronous pulley 2671 to rotate, and drives timing belt 266 to move, and then drive two is synchronous with pressure
Block 269 and two clamping jaws 261 are moved progressively to be drawn close to centre, ensure that the center reference of packaging bag 10 keeps origin-location will not
Changed with bag is opened, so as to enter bag beneficial to workpiece to be packaged (such as blood bag).
After workpiece to be packaged (such as blood bag) enters bag, two clamping jaws 261 clamp two sides of the sack of packaging bag 10 respectively
Edge, drive two clamping jaws 261 to be moved rearwards by the second horizontal drive part 263 and pull straight sack, moved to the position of hot melt knife
Upper heat sealing, to ensure the smooth corrugationless of sack at hot melt.
As a further improvement, pulling bag mechanism 26 also includes two trough type photoelectric sensors 270, two groove profile photoelectric sensings
The side that device 270 is arranged on one of the side, two the 3rd sliding blocks 2652 of the 3rd line slideway 2651 is correspondingly fixed with gear
Piece 271.
Motor 268 drives synchronous pulley 267 to drive the forward or reverse of timing belt 266, and then drives and timing belt briquetting 269
Mutually two the 3rd fixed sliding blocks 2652 move, and two clamping jaws 261 on two the 3rd sliding blocks 2652 is drawn close to centre or mutually remote
From, catch 271 moves with the 3rd sliding block 2652, when catch 271 by a middle slip of trough type photoelectric sensor 270 extremely
The propagation that another trough type photoelectric sensor 270 obstructs the light again when middle, you can by the position of the 3rd sliding block 2652 now
Be reflected to main control module, thus control the 3rd sliding block 2652 movement stroke, and then control two clamping jaws 261 drawn close to centre or
Shift motion when being located remotely from each other.
Trough type photoelectric sensor 270 is transmitter and receiver in the photoelectric sensor of one, its transmitter and receiver
It is located at the both sides of U-type groove respectively, and forms an optical axis, when object to be detected (catch 271) is by U-type groove and blocking optical axis,
Just generate the switching signal detected.
As a further improvement, two trough type photoelectric sensors 270 are led by sensor slide rail 272 installed in the 3rd straight line
The side of rail 2651, installation site of the trough type photoelectric sensor 270 on sensor slide rail 272 can adjust, to facilitate trimming groove
The installation site of type photoelectric sensor 270, to adjust shift motion when two clamping jaws 261 are drawn close or opened, to adapt to difference
The packaging bag 10 of size.
Reference picture 4, lower adsorbing mechanism 25 include lower suction cup carrier 251 and the lower sucker 252 in lower suction cup carrier 251.
Lower sucker 252 can provide absorption affinity by external vacuum pump.In the present embodiment, the lower quantity of sucker 252 be two, and with upper absorption
Mechanism 23 is used for two 232 corresponding settings of upper sucker for adsorbing the sack end of packaging bag 10, so, can facilitate in lower adsorption machine
The side of structure 25 sets finished product discharger 5.
As a further improvement, packaging bag device for opening 2 further comprises being used to drive lower sucker 252 vertically
The 3rd power set 253 moved back and forth.In the present embodiment, the 3rd power set 253 are acted in lower suction cup carrier 251, are driven
Dynamic lower suction cup carrier 251 moves back and forth together with lower sucker 252 on vertically.In other embodiments, it can also be
Three power set 253 are acted directly on lower sucker 252, i.e., the 3rd power set 253 are connected to lower sucker 252 and lower suction cup carrier
Between 251, directly drive lower sucker 252 by the 3rd power set 253 and moved back and forth on vertically.3rd power set
253 can add motor isoline drive mechanism using cylinder, electric cylinders or chain, it is preferred to use cylinder.Opening the package 10
When, the 3rd power set 253 make lower sucker 252 rise the downside for holding packaging bag 10 and then decline, and the upper sucker risen
232 open the package 10 together.
Reference picture 8 is to Figure 11, as a further improvement, the plummer 2121 of packaging bag device for opening 2 is provided with bag device
1, for supplying packaging bag 10 to packaging bag device for opening 2.Bag device 1 include supporting plate 11, supporting plate lifting actuator 12 and
For stacking the packaging bag box 13 of packaging bag 10.The top of packaging bag box 13 is opened wide in order to which upper adsorbing mechanism 23 is from packaging bag box 13
The packaging bag 10 of the middle crawl the superiors.Supporting plate 11 is fixed on supporting plate lifting actuator 12, and packaging bag box 13 is carried on supporting plate 11
On.Supporting plate lifting actuator 12 is used to lift supporting plate 11, with the position height for Dai He13Nei the superiors packaging bag 10 of changing package.
Supporting plate lifting actuator 12 can add motor isoline drive mechanism using cylinder, electric cylinders or chain, it is preferred to use electric cylinders.
Bag device 11 further comprises the first photoelectric sensor 14 and controller (not shown), packaging bag box 13
Side is provided with windowing 131, and the first photoelectric sensor 14 is arranged on plummer 21 and set at face windowing 131, to pass through
The position height of the monitoring of windowing 131 the superiors packaging bag 10.Windowing 131 is vertically extending to packaging by the top of packaging bag box 13
The bottom of bag box 13.When packaging bag 10 is removed, the position height of the superiors' packaging bag 10 is less than first photoelectric sensor 14
Position height when, the first photoelectric sensor 14 131 can't detect packaging bag 10 by windowing, and signal can be fed back to control
Device, controller control supporting plate lifting actuator 12 drive supporting plate 11 to rise, are higher than the position height of the superiors' packaging bag 10 and are somebody's turn to do
The position height of photoelectric sensor, realization automatically feed packaging bag 10.
First photoelectric sensor 14 is arranged on plummer 21 by support frame 141, and the first photoelectric sensor 14 is supporting
Setting height(from bottom) position-adjustable on frame 141.
Bag device 11 further comprises the second photoelectric sensor 15, and the second photoelectric sensor 15 is arranged under supporting plate 11
Side, corresponding second photoelectric sensor 15 of supporting plate 11 are provided with first through hole 111, and the bottom of packaging bag box 13 is correspondingly arranged on sensor
Hole 132, the second photoelectric sensor 15 monitor packaging bag 10 by the gauge hole 132 of the bottom of packaging bag box 13 and use up situation, use
Alarm can be sent by controller when to the greatest extent.
The upside trihedral of supporting plate 11 of bag device 11 is into there is rib 112, simultaneously formed with opening 113 (as shown in Figure 9),
The accommodation space (not indicated in Fig. 9) of accommodating packaging bag box 13 is surrounded by rib 112 and supporting plate 11, packaging bag box 13 can be by opening
The push-in of mouth 113 and pull-out accommodation space.
The upside of supporting plate 11 is provided with fool proof buckle 114, and fool proof buckle 114 is located at the opposite of opening 113, for packaging bag
Box 13 is positioned, so that packaging bag box 13 is arranged on supporting plate 11 by correct direction.The bottom side of packaging bag box 13 is corresponding
Fool proof buckle 114 is provided with breach 133.
Bag device 11 further comprises the 3rd photoelectric sensor 16, and the 3rd photoelectric sensor 16 is arranged under supporting plate 11
Side, corresponding 3rd photoelectric sensor 16 of supporting plate 11 are provided with the second through hole 115, and the 3rd photoelectric sensor 16 passes through the second through hole 115
In place whether monitoring packaging bag box 13 placed, not in place, can send alarm by controller.
3rd photoelectric sensor 16, in being arranged side by side, is packed located at the opposite of opening 113 and with fool proof buckle 114 with monitoring
Whether the breach 133 of bag box 13 coordinates in place with fool proof buckle 114.
Bag device 1 further comprises the axis of guide 17 and guide bearing 18, and guide bearing 18 is arranged on plummer 21, led
It is fixedly connected to the upper end of axle 17 with supporting plate 11, the lower end of the axis of guide 17 is passed down through guide bearing 18.The lower end of the axis of guide 17
Finite place piece 171 is set, departs from plummer 21 to prevent the axis of guide 17 from moving up excess.
Reference picture 1, packaging bag device for opening 2 open the package 10 method it is as follows:
Packaging bag 10 is that the packaging bag box 13 for being placed on bag device 1 is stacked in the form of pile, during bag taking, upper absorption
Mechanism 23 is moved horizontally to the top of packaging bag box 13 in the presence of the first power set 24, then vertical to decline, Zhi Daosi
Individual upper sucker 232 holds the upper side of the superiors' packaging bag 10 in packaging bag box 13, and then vertical ascent to predetermined altitude will most
Upper strata packaging bag 10 is taken out from bag device 1;
Take out the top that lower adsorbing mechanism 25 is moved horizontally under the effect of the first power set 24 of packaging bag 10, bag
The sack end of pack 10 is relative with two lower suckers 252 of lower adsorbing mechanism 25, then declines, until the two of lower adsorbing mechanism 25
Individual lower sucker 252 holds the downside of packaging bag 10;
Two clamping jaws 261 for pulling bag mechanism 26 are travelled forward and clamp the sack both ends of packaging bag 10 and stretch, and then up/down is adsorbed
Mechanism holds the up/down both sides of packaging bag 10, while two clamping jaws 261 collapse to centre together, and packaging bag 10 is opened.
It is exactly that packaging bag 10 is opened after loading product to be packaged (such as blood bag) and pulled again to pull bag mechanism 26 to also have an effect
Straight packaging bag 10 is convenient for next process (heat sealing) operation, ensure that the smooth corrugationless of sack at hot melt.
By pull bag mechanism 26 the second power set 262 can two positions of clamping jaw 261 of adjust automatically, for different sizes
Packaging bag 10, both ends can be realized while grab bag and pull bag, it is therefore prevented that the change in location when pulling bag of packaging bag 10.
By setting upper adsorbing mechanism 23 and lower adsorbing mechanism 25, and the upper sucker 232 of upper adsorbing mechanism 23 and lower absorption
The lower sucker 252 of mechanism 25 can simultaneously respectively upwards, move down and opened to pull the upper side of packaging bag 10 and downside
Bag, open the stroke of bag up and down by adjust automatically, the center reference of packaging bag 10 keeps origin-location, Bu Huisui during bag is opened
Out bag and change, it is possible to achieve the sack difference size requirements of packaging bag 10 and the requirement of different sizes.Bag is opened by this
Device realizes automatic bag-opening function, and ensure that subsequent processing pallet load blood bag horizontally enters into packaging bag 10 and provides position base
It is accurate.
When the upper sucker 232 of upper adsorbing mechanism 23 inhales packaging bag 10 from packaging bag box 13, it is possible to two packaging bags
10 stick together, then drive upper sucker 232 to move up and down by upper sucker actuator 233, can be by that beneath packaging bag 10
Shake off.
The invention is not limited in embodiment of above, under technology contents disclosed in above-mentioned embodiment, can also enter
Row various change.Every equivalent structure transformation made using description of the invention and accompanying drawing content, or directly or indirectly use
In other related technical areas, it is included within the scope of the present invention.