CN207943238U - Rotary packer - Google Patents

Abstract

Rotary packer disclosed in the present application, including rack, former and longitudinal heat-sealing device, wherein：Longitudinal heat-sealing device includes the first rotation basis, fixed sealing knife, activity sealing knife and the first guide rail being rotatably arranged in rack, fixed sealing knife is fixed on the basis of the first rotation, activity sealing knife is corresponded with fixed sealing knife, activity sealing knife is hinged with corresponding fixed sealing knife, first guide rail is arranged in rack, and first guide rail there is guide surface, guide surface are rotated for boot activity sealing knife to realize the folding with fixed sealing knife；Former is arranged in sealing knife opened areas close to one end of sealing knife enclosed region, former is used for doubling packaging base material, the packaging base material after doubling is imported sealing knife enclosed region from sealing knife opened areas, in sealing knife enclosed region, fixed sealing knife is closed with activity sealing knife the packaging base material after doubling is isolated into multiple material accommodation spaces.Said program can solve the problems, such as that current column packing machine packaging efficiency is relatively low.

Description

Rotary packer

Technical field

This application involves feeder apparatus technical field more particularly to a kind of rotary packers.

Background technology

Packing machine is to apply more universal packaging facilities, more applies the packaging in fields such as drug, food, especially It is that bagged product is ultimately formed to the packaging of the materials such as Chinese medicinal granule, particle electuary, granule state food.The work of packing machine Include bag making molding, metering, filling, horizontal sealing, longitudinal sealing, cutting, cursor correction etc. as flow.Currently, to the packing work of material Usually realized by column intermittent packaging machine.When carrying out packaging operation, column intermittent packaging machine is needed according to technological process Sequence gradually executes each technological action, each technological action logically requirement action interlocking.It will be apparent that the intermittent packet of column The packaging efficiency of installation is relatively low.

In order to improve packaging efficiency, producer more at present releases multi-column type packing machine, each row of multi-column type packing machine It is a packing lines, and then can realizes multi-thread packaging.Multi-column type packing machine can improve packaging efficiency.But multi-column type packet There is still a need for each technological actions logically to act interlocking for every packing lines of installation, it is obvious that multi-column type packing machine is packed It is less efficient, it still cannot be satisfied the demand of high-volume packaging.

Utility model content

The application provides a kind of rotary packer, relatively low with the column packing machine packaging efficiency for solving the problems, such as current.

To solve the above-mentioned problems, the application uses following technical proposals：

Rotary packer, including rack, former and longitudinal heat-sealing device, wherein：

The longitudinal direction heat-sealing device includes the first rotation basis being rotatably arranged in the rack, fixed sealing knife, work Dynamic sealing knife and the first guide rail, the fixed sealing knife are fixed on the basis of first rotation, the activity sealing knife and the fixation Sealing knife corresponds, and the activity sealing knife is hinged with the corresponding fixed sealing knife, and first guide rail is arranged in the machine On frame, and first guide rail has a guide surface, the guide surface for guide activity sealing knife rotation with realize with it is described The folding of fixed sealing knife；The pivot region on first rotation basis includes sealing knife enclosed region and sealing knife opened areas, is in The activity sealing knife and the fixed sealing knife in the sealing knife opened areas is in the open state, in sealing knife enclosed region The activity sealing knife is in closed state with the fixed sealing knife；

The former is arranged in the sealing knife opened areas close to one end of the sealing knife enclosed region, the former For doubling packaging base material, the packaging base material after doubling is imported into the sealing knife enclosed region from the sealing knife opened areas, In the sealing knife enclosed region, the fixed sealing knife is closed with the activity sealing knife the packaging base material after doubling to be isolated At multiple material accommodation spaces.

Preferably, in above-mentioned rotary packer, first guide rail is the ring for being looped around first rotation basis outside The top surface of shape body, the ring bodies is the guide surface, and the free end of the activity sealing knife, which can take, puts on the guide surface.

Preferably, in above-mentioned rotary packer, the guide surface includes the first guide plane, the second guide plane and two Transition face, the transition face is for being connected first guide plane both ends opposite with second guide plane, vertical On direction, the first guide plane is less than second guide plane.

Preferably, further include the second guide rail and multiple filling hoppers, multiple filling hoppers in above-mentioned rotary packer It is arranged on the circumferential edges on first rotation basis, and is spaced apart with the fixed sealing knife, multiple filling hoppers In the direction of the rotational plane perpendicular to first rotation basis sliding-type base cooperation is rotated with described first；

Second guide rail have guide structure, the guide structure for guide multiple filling hoppers perpendicular to The direction of the rotational plane lifts；The sealing knife enclosed region includes material fill area, is located at the sealing knife enclosed region The filling hopper stretch into the material accommodation space, and in the material fill area into the material accommodation space Attal.

Preferably, in above-mentioned rotary packer, the guide structure is the cyclic annular guiding groove being arranged in the rack, more A filling hopper is respectively connected with hopper push rod, and the hopper push rod is both provided with sliding block, and the sliding block draws with the ring-type Guide groove is slidably matched.

Preferably, in above-mentioned rotary packer, the rack is provided with cyclic annular locating slot, the bottom of each hopper push rod End is stretched into the cyclic annular locating slot；The bottom end of each hopper push rod is provided with detent mechanism, the detent mechanism packet Connecting plate, locating rod and bearing are included, the connecting plate is fixedly connected with the bottom end of the locating rod and the filling hopper, described fixed Position bar be arranged side by side with the filling hopper, the bearing is arranged in the bottom end of the locating rod, and with it is described ring-type locating slot Side wall formed revolute pair.

Preferably, further include meter material device in above-mentioned rotary packer, the meter material device is used for in the material The filling hopper blowing of fill area.

Preferably, in above-mentioned rotary packer, the meter material device is turnmeter material device, the turnmeter material device packet The second rotation basis and multiple material cups are included, is arranged in the rack to the second rotation foundation rotation, multiple objects Material cup is distributed on the circumferential edges on second rotation basis, and multiple material cups can be in the material fill area and phase To the filling hopper connection.

Preferably, further include transition funnel in above-mentioned rotary packer, the transition funnel is in the object for being connected to Expect the material cup of fill area and the opposite filling hopper.

Preferably, in above-mentioned rotary packer, the circus movement track of the material cup is inscribed within the filling hopper It is transported in the material fill area and the round of filling hopper the circus movement track of circus movement track, the material cup Dynamic trajectory tangential.

Above-mentioned at least one technical solution that the application uses can reach following advantageous effect：

In the process of work, packaging base material from sealing knife after former by opening area for rotary packer disclosed in the present application Domain enters sealing knife enclosed region close to one end of sealing knife enclosed region, and fixed sealing knife and activity sealing knife turn with the first rotation basis Dynamic, under the action of the first guide rail, activity sealing knife can be in closed state in sealing knife enclosed region and solid sealing knife, and then realize Longitudinal heat-sealing is carried out to the packaging base material after doubling, to which the packaging base material after doubling is isolated into multiple material accommodation spaces. First rotation basis can drive fixed sealing knife and activity sealing knife persistently to rotate, so as to constantly to the packet after former doubling It fills base material and implements longitudinal heat-sealing.By the above process as can be seen that rotary packer disclosed in the present application can be carried out at the same time bag Body formed and longitudinal heat-seal operation, for each process needs sequence of middle packing machine carries out compared with the prior art, the application Disclosed rotary packer can improve packaging efficiency.

Description of the drawings

Attached drawing described herein is used for providing further understanding of the present application, constitutes part of this application, this Shen Illustrative embodiments and their description please do not constitute the improper restriction to the application for explaining the application.In the accompanying drawings：

Fig. 1 is the schematic diagram of rotary packer disclosed in the embodiment of the present application；

Fig. 2 is the vertical view of the part-structure of Fig. 1, since the folding of activity sealing knife b rises in sealing knife opened areas B in Fig. 2 Activity sealing knife is not shown in sealing knife opened areas B far from fixed sealing knife a in beginning.

Fig. 3-Fig. 5 is sectional perspective structural representation of the rotary packer under different visual angles disclosed in the embodiment of the present application Figure；

Fig. 6-Fig. 8 is that the application implements the sectional perspective structural schematic diagram of the rotary packer that provides under different visual angles.

Reference sign：

100- racks, 110- ring-types guiding groove, 120- ring-types locating slot, 200- formers, the longitudinal directions 300- heat-sealing device, 310- first rotates basis, 311- external toothings, 320- fix sealing knife, 330- activities sealing knife, the first guide rails of 340-, 341- are guided Face, the first guide planes of 341a-, the second guide planes of 341b-, 341c- transition faces, 400- filling hopper, 500- hoppers push rod, 510- sliding blocks, 600- detent mechanisms, 610- connecting plates, 620- locating rods, 630- bearings, 700- meter material device, second turn of 710- Dynamic basis, 720- material cups, 730- transition funnels；

A- fixes sealing knife, b- activities sealing knife, c- fillings hopper, the first guide rails of d-, e- ring-types guiding groove, the positioning of f- ring-types Slot, g- hopper push rods；

A- sealing knifes enclosed region, B- sealing knife opened areas.

Specific implementation mode

To keep the purpose, technical scheme and advantage of the application clearer, below in conjunction with the application specific embodiment and Technical scheme is clearly and completely described in corresponding attached drawing.Obviously, described embodiment is only the application one Section Example, instead of all the embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not doing Go out the every other embodiment obtained under the premise of creative work, shall fall in the protection scope of this application.

Below in conjunction with attached drawing, the technical solution that each embodiment of the application provides is described in detail.

- 7 are please referred to Fig.1, the embodiment of the present application discloses a kind of rotary packer, and disclosed rotary packer includes rack 100, former 200 and longitudinal heat-sealing device 300.

Wherein, rack 100 is the basis of rotary packer, and installation base is provided for other component parts of rotary packer Plinth.Longitudinal heat-sealing device 300 includes the first rotation basis 310, fixed sealing knife 320 (fixation sealing knife a), activity envelope in such as Fig. 2 Knife 330 (the activity sealing knife b) in such as Fig. 2 and 340 (the first guide rail d) in such as Fig. 1 of the first guide rail.First 310 turns of rotation basis It is arranged dynamicly in rack 100, can be turned round around rack 100.In general, the first rotation basis 310 is provided with external toothing 311, revolve The driving equipment of installation is subcontracted by driving external toothing 311 to rotate, reaches the first rotation of driving basis 310 relative to rack 100 The purpose of rotation.

Fixed sealing knife 320 is fixed on the first rotation basis 310, and activity sealing knife 330 is corresponded with fixed sealing knife 320, Activity sealing knife 330 is hinged with corresponding fixed sealing knife 320, so that activity sealing knife 330 can be relative to fixed sealing knife 320 rotations.Specifically, the bottom end of activity sealing knife 330 can be hinged with the bottom end of fixed sealing knife 320, the top of activity sealing knife 330 End is folding initiating terminal, and activity sealing knife 330, which turns to the state being bonded with fixed sealing knife 320, can realize heat-seal operation, on the contrary, It then cannot achieve heat-seal operation.In the process of work, fixed sealing knife 320 and activity sealing knife 330 are basic with the first rotation together 310 rotation and rotate.

First guide rail 340 is arranged in rack 100, and the first guide rail 340 has guide surface 341, and guide surface 341 is for drawing The rotation of activity sealing knife 330 is led, and then realizes the folding with fixed sealing knife 320.Activity sealing knife 330 can be rotated around its hinged end, from And realize folding initiating terminal action.The pivot region on the first rotation basis 310 includes that sealing knife enclosed region A (corresponds to heat in Fig. 2 Seal actuating range) and sealing knife opened areas B.Activity sealing knife 330 in sealing knife opened areas B is in fixed sealing knife 320 Opening state；Activity sealing knife 330 in sealing knife enclosed region A is in closed state with fixed sealing knife 320, and then realizes heat Envelope operation.

Former 200 is used for doubling packaging base material, and the packaging base material after doubling is imported envelope from sealing knife opened areas B In knife enclosed region A.In the specific course of work, packaging base material is usually released from blowing reel, and packaging base material is usually Band-like film is folded in half after former 20, carries out obtaining the packaging base material after doubling, the fold position conduct of packaging base material One enclosed edge of the packaging bag obtained after final packaging.In a kind of specific embodiment, there are two the tools of former 200 The arrival end of contoured sidewall, two contoured sidewall self-forming devices 200 is moved closer to outlet end, final to realize that packaging base material is going out It is exported after mouth end doubling.

In sealing knife enclosed region A, fixed sealing knife 320 is closed with activity sealing knife 330 with the packaging after longitudinal heat-sealing doubling Base material, to which the packaging base material after doubling is isolated into multiple material accommodation spaces.It should be noted that longitudinal heat in the application Envelope refers in the direction heat-sealing perpendicular to the fold position of packaging base material so that packaging base material after doubling only there are with it is right Parallel opening at folding, the opening can realize final closed allround by subsequent transversal heat seal.

Rotary packer disclosed in the embodiment of the present application in the process of work, packaging base material by after former 200 from Enter sealing knife enclosed region, fixed sealing knife 320 and activity sealing knife 330 close to one end of sealing knife enclosed region in sealing knife opened areas It rotates basis 310 with first to rotate, under the action of the first guide rail 340, the meeting of activity sealing knife 330 is in sealing knife enclosed region and admittedly Body sealing knife 320 is in closed state, and then realizes and carry out longitudinal heat-sealing to the packaging base material after doubling, thus by the packet after doubling Dress base material is isolated into multiple material accommodation spaces.First rotation basis 310 can drive fixed sealing knife 320 and activity sealing knife 330 to hold Continuous rotation, so as to constantly implement longitudinal heat-sealing to the packaging base material after 200 doubling of former.It by the above process can be with Find out, rotary packer disclosed in the embodiment of the present application can be carried out at the same time the body formed and longitudinal heat-seal operation of bag, and can hold Continuous sex work, for each process needs sequence of middle packing machine carries out compared with the prior art, disclosed in the embodiment of the present application Rotary packer can improve packaging efficiency.

Please refer to Fig.3-5, in the embodiment of the present application, the first guide rail 340 is to be looped around 310 outside of the first rotation basis The top surface of ring bodies, ring bodies is guide surface 341, and the free end of activity sealing knife 330, which can take, to be placed on guide surface 341.Specific The course of work in, with the rotation of activity sealing knife 330, guide surface 341 can gradual boot activity sealing knife 330 relative to fixation Sealing knife 320 is rotated around hinged place, and activity sealing knife 330 is propped or put down eventually by guide surface 341, reaches activity sealing knife 330 The purpose for being bonded or separating with fixed sealing knife 320.

As it was noted above, activity sealing knife 330 is in fit-state in sealing knife enclosed region A with fixed sealing knife 320, activity Sealing knife 330 is in the open state with fixed sealing knife 320 in sealing knife opened areas B, that is, in the two regions, activity envelope Knife 330 is at least kept open in a part of stroke or fit-state.Based on this, in the embodiment of the present application, guide surface 341 May include that the first guide plane 341a, the second guide plane 341b and two transition face 341c, transition face 341c are used to be connected Both ends opposite first guide plane 341a and the second guide plane 341b.In the vertical direction, the first guide plane 341a is low In the second guide plane 341b.In two transition face 341c, one is for activity sealing knife 330 to be fixed sealing knife towards close 320 direction guiding, and then realize that the first guide plane 341a is guided to the second directions guide plane 341b.Another one is to use It is guided in the direction by activity sealing knife 330 away from fixed sealing knife 320, and then realizes the second guide plane 341b towards first The directions guide plane 341a guide, and in other words, the second guide plane 341b is relatively low, can not realize and support to activity sealing knife 330, living Dynamic sealing knife 330 rotates under the action of its own gravity and rotation centrifugal force around hinged end, to realize point with fixed sealing knife 320 From.

Rotary packer disclosed in the embodiment of the present application can also include the second guide rail and multiple filling hoppers 400 (as schemed C in 1 and Fig. 2).Multiple filling hoppers 400 are arranged on the circumferential edges on the first rotation basis 310, and with fixed sealing knife 320 It is spaced apart.It is so-called be spaced apart refer to the fixed sealing knife of adjacent two 320 between arrange a filling hopper 400, phase Accordingly, a fixed sealing knife 320 is set between two adjacent filling hoppers 400.Certainly, fixed sealing knife 320 and casting resin Distribution relation between bucket 400 be not limited to it is described above be spaced apart, as long as ensuring the material formed by longitudinal heat-sealing Accommodation space can be by filling 400 attal of hopper.

Multiple filling hoppers 400 are in the direction of the rotational plane perpendicular to the first rotation basis 310 and the first rotation basis 310 are slidably matched.Second guide rail has guide structure, and guide structure is for guiding multiple filling hoppers 400 perpendicular to first The direction lifting of the rotational plane on rotation basis 310.Sealing knife enclosed region A includes that material fill area (fills as shown in Figure 2 Fill out region), the filling hopper positioned at the sealing knife enclosed region stretches into the material accommodation space, and in the material Fill area attal into the material accommodation space.It is, with the lasting progress of heat-sealing, filling hopper 400 can With in material fill area into material accommodation space attal.Specifically, filling hopper 400 enters sealing knife enclosed region A It can decline and stretch into material accommodation space, filling material head 400 is entering sealing knife opening area from the tail end of sealing knife enclosed region A Domain B when, then material accommodation space is receded under the guiding of the second guide rail.

In a kind of specific embodiment, filling hopper 400 can pass through the (hopper in such as Fig. 1 of hopper push rod 500 Push rod g) is connect with the first rotation basis 310, and filling hopper 400 is fixed on hopper push rod 500, and hopper push rod 500 is slidably Setting can carry out elevating movement on the first rotation basis 310 relative to the first rotation basis 310, hopper push rod 500 Elevating movement can drive filling hopper 400 to synchronize lifting.

In specific stowing operation, multiple filling hoppers 400 can be rotated with the first rotation basis 310, in rotation In the process, filling hopper 400 can carry out elevating movement, and drop to minimum point in material fill area, and then can extend into object Material filling carries out blowing in space, and when material filling finishes, filling hopper 400 can be gradually increasing, and can finally be filled from material empty Between in detach, by material filling material filling space can complete final closing by subsequent horizontal sealing process.As it can be seen that should Preferred embodiment can be realized and be filled to material during heat-sealing, it is seen then that rotary packaging disclosed in the embodiment of the present application Function is carried out at the same time body formed bag, longitudinal direction heat-sealing and material filling, these processes, which are carried out at the same time, can further increase packaging effect Rate.

Above-mentioned guide structure can be guide surface, or guiding groove.The application does not limit the specific knot of guide structure Structure, as long as guiding function can be played so that filling hopper 400 is in the rotational plane direction liter perpendicular to the first rotation basis 310 Drop.As shown in Figure 6 and Figure 7, guide structure is the (ring-type in such as Fig. 1 of cyclic annular guiding groove 110 being arranged in rack 100 Guiding groove e).Hopper push rod 500 can be provided with sliding block 510, and sliding block 510 is slidably matched with cyclic annular guiding groove 110.

In order to further increase the stability of filling hopper 400, in rotary packer disclosed in the embodiment of the present application, rack 100 can be provided with cyclic annular locating slot 120, and (the cyclic annular locating slot f) in such as Fig. 1, the bottom end of each hopper push rod 500 can be with It stretches into cyclic annular locating slot 120.Detent mechanism 600 can also be arranged in the bottom end of each hopper push rod 500, and detent mechanism 600 wraps Include connecting plate 610, locating rod 620 and bearing 630.Connecting plate 610 is used to be fixedly connected locating rod 620 and hopper push rod 500 Bottom end, locating rod 620 with filling hopper be arranged side by side, bearing 630 is arranged in the bottom end of locating rod 620, and with cyclic annular locating slot 120 side wall forms revolute pair.In such cases, locating rod 620 with hopper push rod 500 along cyclic annular locating slot 130 rotate, Locating rod 620 is connected by connecting plate 610 with hopper push rod 500, is finally avoided that the rotation of hopper push rod 500, can also be kept away Exempt from hopper push rod 500 due to certainly then taking sliding block 510 out of cyclic annular guiding groove 110.

Certainly, sliding block 510 can also be by location structure and cyclic annular guiding groove 110 perpendicular to cyclic annular guiding groove 110 Notch direction location fit, this is also avoided that sliding block 510 transfers disengaging ring-type guiding groove 110 certainly due to hopper push rod 500.When So, during hopper push rod 500 lifts, detent mechanism 600 can also be lifted with hopper push rod 500, during this, bearing 630 also need to lift in the depth direction of cyclic annular locating slot 120.

Rotary packer disclosed in the embodiment of the present application can also include meter material device 700, meter material device 700 be used for 400 blowing of filling hopper in material fill area.

Meter material device 700 is for material metering and by the discharge of materials of set amount after metering to filling in hopper 400, most It is filled eventually into material accommodation space by filling hopper 400.Referring again to Fig. 1, in a kind of specific embodiment, meter material Device 700 is turnmeter material device, and turnmeter material device includes the second rotation basis 710 and multiple material cups 720, the second rotation Basis 710 is rotatably arranged in rack 100, and multiple material cups 720 are distributed on the circumferential edges on the second rotation basis 710, Multiple material cups 720 can be docked in material fill area with corresponding filling hopper 400, and then realize material filling.

In the specific course of work, multiple material cups 720 are rotated with the second rotation basis 710, when the material cup of charge 720 turn to material fill area, then can be connected to opposite filling hopper 400, and then realize blowing.When blowing is completed, Material cup 720 then can leave material fill area and carry out splicing again.Above-mentioned turnmeter material device can continue to realize material Supply, without being influenced by other process.As it can be seen that the preferred scheme can realize body formed bag, longitudinal direction heat-sealing, material meter Amount, feed are carried out at the same time, this can further increase the packaging efficiency of packing machine.

In order to advanced optimize above-mentioned technical proposal, turnmeter material device can also include disclosed in the embodiment of the present application Funnel 730 is crossed, each material cup 720 can correspond to a transition funnel 730, and transition funnel 730 is in material for being connected to The material cup 720 of fill area and filling hopper 400, so that the material in material cup 720 is easier to enter filling hopper 400, without revealing.

As described above, multiple material cups 720 are distributed in the circular edge on the second rotation basis 710, with the second rotation base Plinth 710 rotates, and filling hopper 400 can rotate with the first rotation basis 310.In a kind of specific embodiment, material cup 720 Circus movement track be inscribed within filling hopper 400 circus movement track, the circus movement track of material cup 720 is filled in material It fills out region and fills the circus movement trajectory tangential of hopper 400.The structure that this arrangement can improve rotary packer is tight Degree of gathering, and then the floor space of rotary packer can be further decreased.

In preferred scheme, the circus movement trajectory tangential in the circus movement track of material cup 720 and filling hopper 400 Place, can have multiple filling hoppers 400 to be communicated correspondingly with material cup 400 respectively, and then can realize multistation charge, very Obviously, this can further increase material pack effectiveness, and then improve packaging efficiency.

In rotary packer disclosed in the embodiment of the present application, the first guide rail 340, cyclic annular guiding groove 110, cyclic annular locating slot 120 equal components or structure, can play the role of changing moving component track, be similar to cam mechanism.Said combination structure can So that entire rotary packer structure it is compacter, while can also improve moving component motion process stability.

Multiple working procedure is superimposed rotary packer disclosed in the embodiment of the present application in the process of work, the molding of realization bag making, Metering, filling and longitudinal sealing are carried out at the same time, can largely low raising packaging efficiency, be particularly suitable for large batch of packaging and produce.

Herein, only emphasis describes the difference with other preferred embodiments, each preferred embodiment to each preferred embodiment It as long as not conflicting, can arbitrarily combine, embodiment is formed by after combination also within scope disclosed in this specification, is examined It is succinct to consider text, is individually described with regard to being no longer formed by embodiment to combination herein.

Above is only an example of the present application, it is not intended to limit this application.For those skilled in the art For, the application can have various modifications and variations.It is all within spirit herein and principle made by any modification, equivalent Replace, improve etc., it should be included within the scope of claims hereof.

Claims (10)

1. rotary packer, which is characterized in that including rack, former and longitudinal heat-sealing device, wherein：

The longitudinal direction heat-sealing device includes the first rotation basis being rotatably arranged in the rack, fixed sealing knife, activity envelope Knife and the first guide rail, the fixed sealing knife are fixed on the basis of first rotation, the activity sealing knife and the fixed sealing knife It corresponding, the activity sealing knife is hinged with the corresponding fixed sealing knife, and first guide rail is arranged in the rack, And first guide rail has guide surface, the guide surface is for guiding the activity sealing knife rotation to realize and the fixed envelope The folding of knife；The pivot region on first rotation basis includes sealing knife enclosed region and sealing knife opened areas, is in the envelope The activity sealing knife and the fixed sealing knife in knife opened areas is in the open state, is in the work of sealing knife enclosed region Dynamic sealing knife is in closed state with the fixed sealing knife；

The former is arranged in the sealing knife opened areas close to one end of the sealing knife enclosed region, and the former is used for Packaging base material after doubling is imported the sealing knife enclosed region, in institute by doubling packaging base material from the sealing knife opened areas Sealing knife enclosed region is stated, the fixed sealing knife is closed more the packaging base material after doubling to be isolated into the activity sealing knife A material accommodation space.

2. rotary packer according to claim 1, which is characterized in that first guide rail is to be looped around described first turn The ring bodies in dynamic basis outside, the top surface of the ring bodies is the guide surface, and the free end of the activity sealing knife, which can take, to be placed on On the guide surface.

3. rotary packer according to claim 2, which is characterized in that the guide surface includes the first guide plane, the Two guide planes and two transition faces, the transition face is for being connected first guide plane and the second guide plane phase To both ends, in the vertical direction, the first guide plane be less than second guide plane.

4. rotary packer according to claim 1, which is characterized in that further include the second guide rail and multiple filling hoppers, Multiple filling hoppers are arranged on the circumferential edges on first rotation basis, and are spaced apart with the fixed sealing knife, Multiple filling hoppers are sliding in the direction of the rotational plane perpendicular to first rotation basis and first rotation basis Dynamic cooperation；

Second guide rail has guide structure, and the guide structure is for guiding multiple filling hoppers perpendicular to described The direction of rotational plane lifts；The sealing knife enclosed region includes material fill area, is located at the institute of the sealing knife enclosed region It states filling hopper to stretch into the material accommodation space, and is filled into the material accommodation space in the material fill area Material.

5. rotary packer according to claim 4, which is characterized in that the guide structure is to be arranged in the rack Cyclic annular guiding groove, multiple filling hoppers are respectively connected with hopper push rod, and the hopper push rod is both provided with sliding block, the cunning Block is slidably matched with the cyclic annular guiding groove.

6. rotary packer according to claim 5, which is characterized in that the rack is provided with cyclic annular locating slot, each The bottom end of the hopper push rod is stretched into the cyclic annular locating slot；The bottom end of each hopper push rod is provided with localization machine Structure, the detent mechanism include connecting plate, locating rod and bearing, and the connecting plate is fixedly connected with the locating rod and the filling The bottom end of hopper, the locating rod are arranged side by side with the filling hopper, and the bearing is arranged in the bottom end of the locating rod, and Revolute pair is formed with the side wall of the cyclic annular locating slot.

7. rotary packer according to claim 4, which is characterized in that further include meter material device, the meter material device is used In to the filling hopper blowing in the material fill area.

8. rotary packer according to claim 7, which is characterized in that the meter material device is turnmeter material device, institute It includes the second rotation basis and multiple material cups to state turnmeter material device, is arranged in the machine to the second rotation foundation rotation On frame, multiple material cups are distributed on the circumferential edges on second rotation basis, and multiple material cups can be described Material fill area is connected to the opposite filling hopper.

9. rotary packer according to claim 8, which is characterized in that further include transition funnel, the transition funnel is used It is in the material cup of the material fill area and the opposite filling hopper in connection.

10. rotary packer according to claim 8, which is characterized in that the circus movement track inscribe of the material cup In the circus movement track of the filling hopper, the circus movement track of the material cup the material fill area with it is described Fill the circus movement trajectory tangential of hopper.