CN205738205U

CN205738205U - A kind of automatic packaging machine

Info

Publication number: CN205738205U
Application number: CN201620661287.7U
Authority: CN
Inventors: 束毅峰; 李旭东
Original assignee: Hangzhou Daisy Cosmetics Co Ltd
Current assignee: Hangzhou Daisy Cosmetics Co Ltd
Priority date: 2016-06-24
Filing date: 2016-06-24
Publication date: 2016-11-30
Anticipated expiration: 2026-06-24

Abstract

The utility model discloses a kind of automatic packaging machine, its drip irrigation device is: include frame, the sealer mechanism that is arranged in frame and the packaging bag of expansion is rolled into cylindrical shape be rolled into device, sealer mechanism includes the vertical sealer device for packaging bag is hot pressed into tubular that may be contained within frame, drive the vertical drive that vertical sealer device moves, the horizontal drive apparatus moved for the horizontal sealer device carrying out sealing by tubular packaging bag heat and driving horizontal sealer device, vertical sealer device, horizontal sealer device is arranged in frame up and down, the spray code spraying apparatus for packaging bag being carried out coding it is provided with in frame, spray code spraying apparatus is connected with frame relative to the adjusting means of position by being arranged in frame packaging bag after regulating in spray code spraying apparatus code spraying device and heat-sealing；Reached the operation of packaging by the sealer device on film rolling device and both direction, during packaging, many packaging bags carry out stamp simultaneously, improve its working (machining) efficiency greatly.

Description

A kind of automatic packaging machine

Technical field

This utility model relates to food packing device technical field, more specifically, it relates to a kind of automatic packaging machine.

Background technology

Nowadays packaging product category is various, and the packaging bag of various special shape usually uses pre-formed bags form to carry out material Filling, sealing, during traditional-handwork packaging, first by packaging film sealer, leave opening, after by hand food being loaded packaging film, then will Packaging film sealer, during packaging, food and human contact, easily cause pollution, production efficiency is low simultaneously, labor intensity Greatly, needing to expend substantial amounts of human resources, enterprise's production cost is high；At present, the Chinese patent of Publication No. CN202320817U Disclose a kind of automatic liquid pesticide packaging machine, be provided with feeding device, packaging material transporter and envelope including frame, frame Cutting apparatus, sealing-cutting device includes the hot enclosuring device being arranged on below discharge nozzle, and the lower section of hot enclosuring device is provided with paper pulling roller, hot enclosuring device Being respectively provided on two sides with heat-sealing arm plate, heat-sealing arm plate is provided with knife rest, is provided with cutting knife on knife rest, cutting knife is mounted on drawing Position below paper roller.

By feeding device, packaging material transporter and sealing-cutting device being simultaneously attached in a frame, reach fall Low manufacturing cost, shortens packaging stroke, improves the effect of production efficiency, but need on food pack after having packed Print the date of manufacture, and existing packaging complete after also need to manually carry out stamp again, increase certain labor intensity, extend food Produce the time consumed.

Utility model content

The deficiency existed for prior art, the purpose of this utility model is to provide a kind of while packaging automatically, Packaging bag is carried out the automatic packaging machine of stamp.

For achieving the above object, this utility model provides following technical scheme:

A kind of automatic packaging machine, the sealer mechanism including frame, being arranged in frame and the packaging bag of expansion is rolled into Cylindric is rolled into device, described sealer mechanism include may be contained within frame for packaging bag being hot pressed into the vertical of tubular Sealer device, drive vertical drive that vertical sealer device moves, for the level carrying out sealing by tubular packaging bag heat Sealer device and drive the horizontal drive apparatus that horizontal sealer device moves, described vertical sealer device, horizontal sealer device It is arranged in up and down in frame, described frame is provided with the spray code spraying apparatus for packaging bag carries out coding, described spray code spraying apparatus By being arranged in frame after regulating code spraying device in spray code spraying apparatus and heat-sealing packaging bag relative to the adjusting means of position and machine Frame connects.

Being arranged such, plane packaging bag makes packaging bag be rolled into circular shape through being rolled into device, then sends vertical envelope to Film device, drives vertical sealer device through vertical drive, cylindric packaging bag hot pressing sealer is become cylindrical shape, exists therewith Horizontal sealer device is delivered to, owing to taking the shape of a bag after sealer through last time bottom packaging bag after hot pressing sealer, i.e. by being rolled into device Only while leaving opening, being added to packaging bag by food now by corresponding device, spray code spraying apparatus carries out coding simultaneously, Also can be sprayed in spray code spraying apparatus by regulation adjusting means according to the size of packaging bag and at the particular location of packaging bag coding Code device relative to the regulation of position, improves the applicable performance of spray code spraying apparatus with packaging bag；It is then passed to lower section, passes through horizontal drive Device drives horizontal sealer device, and the packaging bag adding honest material is sealed by horizontal sealer device, makes single packaging for foodstuff Bag finished product, carries out coding again while reaching automatically to pack, be greatly saved operating time and corresponding labor intensity, with And improve corresponding production efficiency.

Arrange further: described vertical sealer device includes right angle setting frame, is arranged at the vertical of right angle setting frame both sides Sealer block and be arranged on vertical sealer block for pressing the vertical heat block of heat sealed package bag, described vertical drive with Vertical sealer block connects and drives vertical sealer block to be on right angle setting frame and is slidably connected towards the vertical sealer Block direction that opposes.

It is arranged such, promotes vertical sealer block by vertical drive, make two vertical sealer blocks close to each other, then pass through Vertical heat block on vertical sealer block carries out hot pressing sealer to the packaging bag of arc-shaped, makes the packaging bag of flat ribbon become cylinder Shape, reaches the sealer effect of packaging bag vertical direction.

Arrange further: described vertical drive includes the driving cylinder being connected with frame, is arranged at right angle setting frame On the push rod that litter is connected with vertical sealer block and the connecting plate that is slidably connected with litter is connected with connecting plate and with push away The universal driving shaft that bar connects and middle part is connected with gantry rotation, described universal driving shaft one end is connected with driving cylinder, the other end and push rod It is rotationally connected.

Being arranged such, one end of universal driving shaft, by driving cylinder, owing to the middle part of universal driving shaft is connected with gantry rotation, makes connection The moving axis other end is around, the point that is connected with frame with universal driving shaft as the center of circle, and the point being connected with frame with universal driving shaft is to other end push rod Distance be that radius moves in a circle, push rod one end is rotationally connected with universal driving shaft simultaneously, and other end drive connection strip is dynamic vertical Sealer block moves towards another vertical sealer Block direction, and now connecting rod is by the litter being arranged on right angle setting frame and vertical peace Shelve and be slidably connected, and litter plays and guides and stable effect.

Arrange further: between described spray code spraying apparatus vertical sealer device and horizontal sealer device, described spray code spraying apparatus bag Including connecting rod and the code spraying device being rotationally connected with connecting rod, described connecting rod is connected with adjusting means.

It is arranged such, after vertical sealer, carries out coding by arranging the spray code spraying apparatus in frame, simultaneously according to packaging bag Size, coding, in packaging bag position, makes the relative position between code spraying device and the packaging bag connected with connecting rod be adjusted, carries The coding suitability to packaging bag of the high spray code spraying apparatus.

Arrange further: described adjusting means include adjustable plate and be arranged in frame for adjustable plate is anchored on Fastening bolt in frame, described adjustable plate is provided with the bar shaped slided between frame and fastening bolt for adjustable plate recessed Groove, described adjustable plate is connected with connecting rod.

It is arranged such, when connecting plate is adjusted, by fastening bolt being relaxed, makes adjustable plate pass through strip groove Relative between fastening bolt with frame slide, can be along strip groove length direction sliding, it is possible to rotate adjustable plate and be adjusted, Reach to regulate connecting rod and the purpose of code spraying device, after code spraying device regulates, by rotating fastening bolt, adjustable plate is fastened In frame, reach the purpose of regulation.

Arrange further: described horizontal sealer device includes being horizontally mounted frame, is arranged at and is horizontally mounted on frame and to erecting The horizontal sealer block put and being arranged on horizontal sealer block for pressing the horizontal heat block of heat sealed package bag, described level is driven Dynamic device is connected with horizontal sealer block and driving horizontal sealer block is in be horizontally mounted on frame and slides towards opposition horizontal sealer Block direction It is dynamically connected.

It is arranged such, promotes horizontal sealer block by horizontal drive apparatus, make two horizontal sealer blocks close to each other, then pass through Horizontal heat block on horizontal sealer block carries out hot pressing sealer to the packaging bag equipped with food, and the packaging bag reaching cylindric becomes bag The effect sealed, it is achieved the purpose of food charging packaging automatically.

Arrange further: in described level envelope module, be provided with the shearing dress for carrying out cutting off by the packaging bag after sealer Put.

Being arranged such, be allowed to form finished product after hot sealing, now finished product connects together with the packaging bag of packaging to be fed, By shear, both are separated, the purpose of the complete automatic one-tenth bag of finished product after making sealer seal, effectively alleviate corresponding labor Fatigue resistance and be easy to processing effect.

Arrange further: described shear include return spring, after cutting off hot pressing sealer the cutting knife of packaging bag, wear Penetrate and be slidably connected with horizontal sealer block in horizontal sealer block and fix the fixing bar being connected with cutting knife and be connected with fixing bar Installing plate, towards another level in described cutting knife is disposed therein a horizontal sealer block and by horizontal drive apparatus drive installation plate Sealer Block direction moves, and described horizontal drive apparatus is connected with being horizontally mounted frame by installing plate, and described return spring is socketed on On fixing bar and two ends respectively with installing plate and be horizontally mounted frame and be connected.

It is arranged such, horizontal drive apparatus drive installation plate, makes the horizontal sealer block being connected with installing plate towards another level Sealer Block direction move, when two horizontal sealer blocks contact with each other carry out hot pressing sealer time, driving means continue drive installation plate, this Time the return spring fixing bar of compression slide with the continuation of installing plate and promote cutting knife to move towards another horizontal sealer Block direction, when cutting When cutter contacts with the packaging bag after hot pressing sealer, drive cutting knife to cut with the continuation of horizontal drive apparatus, formed individually Finished product, subsequently with driving means return, cutting knife returns to, in horizontal sealer block, reach the purpose automatically packed and cut off.

Arrange further: the hot surface that adds of described vertical heat block is provided with heating striped along its length.

It is arranged such, when packaging bag presses with heat block, makes packaging bag embed in striped, on the one hand by heating striped Thrust during limit is scalded in increase hot pressing, and striped and the more consolidation of packaging bag pressing sealer, strengthen its sealing effectiveness simultaneously.

Arrange further: described in be rolled into device and include being arranged in parallel with vertical sealer block and being arranged vertically with horizontal sealer block Barrel, described barrel is provided with for transmitting the guide ring that packaging bag is round shape, and some described guide rings are along barrel sender Arrange to interval.

It is arranged such, by packaging bag by semicircle guide ring, one-tenth arc-shaped laminating the most slowly and barrel, makes expansion Packaging bag be rolled into circular arc by being rolled into device, carrying out the protruding parts of packaging bag scalding limit by vertical sealer device, Make its packaging bag become cylindrical shape after scalding limit, improve the quick performance scalding limit, greatly facilitate vertical sealer device and scald the work on limit Make efficiency.

By using technique scheme, this utility model hinge structure is compared: by film rolling device by plane Packaging bag be rolled into arc-shaped, vertical drive carries out hot pressing sealer to packaging bag form circle by driving vertical sealer device The packaging bag of tubular, subsequently according to coding position and the size of packaging bag of packaging bag, by the code spraying device on spray code spraying apparatus with Relative position between packaging bag is adjusted, and spray code spraying apparatus carries out coding process to packaging bag subsequently, then by barrel toward bag Pack feeds, and after the amount of mess adds well, packaging bag is entered by horizontal drive apparatus by driving horizontal sealer device Row encapsulation process, carries out the sealing of bottom simultaneously by a upper packaging bag, and after package encapsulation, shear is with horizontal drive apparatus Continuation carry out the effect cut off after sealer, the packaging for foodstuff after finished product is cut, forms single packaging for foodstuff Bag, complete automatically to pack, stamp, the effect of separation, be greatly reduced corresponding manufacturing procedure and process time, also simultaneously Alleviate corresponding labor intensity, improve and on it, produce efficiency.

Accompanying drawing explanation

Fig. 1 is the structural scheme of mechanism of automatic packaging machine；

Fig. 2 is the structural representation of vertical sealer device and vertical drive；

Fig. 3 is horizontal sealer device, horizontal drive apparatus and the structural representation of shear；

Fig. 4 is the enlarged drawing in Fig. 3 at A.

In figure: 1, frame；2, sealer mechanism；21, vertical sealer device；211, right angle setting frame；212, vertical sealer block； 213, vertical heat block；214, substrate；22, vertical drive；221, cylinder is driven；222, litter；223, connecting plate；224、 Push rod；225, universal driving shaft；226, bearing pin；23, horizontal sealer device；231, it is horizontally mounted frame；232, horizontal sealer block；233, water Flat heat block；24, horizontal drive apparatus；25, shear；251, return spring；252, cutting knife；253, fixing bar；254, peace Dress plate；26, heating striped；27, buffer element；271, buffer spring；272, sliding pin；3, it is rolled into device；31, barrel；32, guide Ring；4, spray code spraying apparatus；41, connecting rod；42, code spraying device；43, adjusting means；44, adjustable plate；45, strip groove；46, fastening spiral shell Bolt.

Detailed description of the invention

Referring to figs. 1 through Fig. 4, automatic packaging machine is described further.

Embodiment 1: as it is shown in figure 1, a kind of automatic packaging machine, the sealer mechanism 2 including frame 1, being arranged in frame 1, The packaging bag of expansion is rolled into being rolled into device 3 and being used for carrying out packaging bag the spray code spraying apparatus 4 of coding of cylindrical shape；Film sealing machine Structure 2 includes may be contained within frame 1 for packaging bag being hot pressed into the vertical sealer device 21 of tubular, driving vertical sealer device The vertical drive 22 of 21 motions, for tubular packaging bag heat being carried out the horizontal sealer device 23 and the driving level that seal The horizontal drive apparatus 24 of sealer device 23 motion；Vertical sealer device 21 is arranged at the top of horizontal sealer device 23, coding Device 4 is arranged between vertical sealer device 21 and horizontal sealer device 23.

As it is shown in figure 1, be rolled into device 3 include being arranged in parallel with the vertical sealer block 212 in vertical sealer device 21 and with The horizontal vertically arranged barrel of sealer block 232 31 and being arranged on barrel 31 for transmitting packaging bag in horizontal sealer device 23 Guide ring 32 in round shape, barrel 31 in funnel-form from top to bottom between be gradually reduced, some described guide rings 32 are along barrel 31 Direction of transfer interval is arranged, the least with the reduction between barrel 31.

As in figure 2 it is shown, vertical sealer device 21 includes right angle setting frame 211, substrate 214 and is arranged on substrate 214 And opposition is arranged and the vertical sealer block 212 of right angle setting frame 211 both sides, vertical heat block 213 add hot surface along its length Direction is provided with heating striped 26；Vertical drive 22 includes the litter 222 being arranged on right angle setting frame 211 and slides Connecting plate 223 and drive connection plate 223 that pole 222 is slidably connected are sliding along litter 222 towards the other end vertical sealer block 212 direction Dynamic actuator；What actuator included being connected with frame 1 drive push rod 224 that cylinder 221 is connected with connecting plate 223 and with The universal driving shaft 225 that push rod 224 connects and middle part is rotationally connected with frame 1 by bearing pin 226, universal driving shaft 225 one end and driving gas Cylinder 221 connects, and the other end is rotationally connected with push rod 224；Drive cylinder 221 to drive one end of universal driving shaft 225, make universal driving shaft 225 Rotating with frame 1, the push rod 224 on the other end promotes connecting plate 223, makes connecting plate 223 and vertical with on connecting plate 223 Sealer block 212 slides towards vertical sealer block 212 direction that opposes, and carries out hot pressing sealer operation.

As in figure 2 it is shown, wherein substrate 214 and connecting plate 223 company of being bolted installing vertical sealer block 212 Connect, by for buffering two vertical rice soon in heat between substrate 214 and connecting plate 223 that the other end vertical sealer block 212 connects The buffer element 27 playing snubber contact during press seal film connects, and buffer element 27 uses four, and is arranged at connecting plate 223 and base On four angles between plate 214；Buffer element 27 include buffer spring 271 and one end and substrate 214 fixing be connected, the other end The sliding pin 272 being slidably connected with connecting plate 223, buffer spring 271 be socketed on sliding pin 272 and two ends respectively with substrate 214 with And connecting plate 223 connects.

As it is shown on figure 3, horizontal sealer device 23 includes being horizontally mounted frame 231, being arranged at the water being horizontally mounted frame 231 both sides Flat sealer block 232 and being arranged on horizontal sealer block 232 for pressing the horizontal heat block 233 of heat sealed package bag, level is driven Dynamic device 24 is connected with horizontal sealer block 232 and driving horizontal sealer block 232 is in be horizontally mounted on frame 231 and seals towards opposition level Film block 232 direction is slidably connected；The most horizontal sealer device 23 is essentially identical with vertical means configuration i.e. principle, vertical drive 22 drive vertical sealer block 212 to move for vertical direction, and horizontal drive apparatus 24 drives horizontal sealer block 232 for horizontal drive.

As shown in Figure 3 and Figure 4, it is provided with for the packaging bag after sealer is cut in level envelope module 232 simultaneously Disconnected shear 25；Shear 25 include return spring 251, after cutting off hot pressing sealer the cutting knife 252 of packaging bag, wear Penetrate the fixing bar 253 being slidably connected in horizontal sealer block 232 and the installation being connected with fixing bar 253 with horizontal sealer block 232 Plate 254, towards separately in cutting knife 252 is disposed therein a horizontal sealer block 232 and by horizontal drive apparatus 24 drive installation plate 254 One horizontal sealer block 232 direction motion, horizontal drive apparatus 24 is connected with being horizontally mounted frame 231 by installing plate 254, return bullet Spring 251 be socketed on fixing bar 253 and two ends respectively with installing plate 254 and be horizontally mounted frame 231 and be connected.

As in figure 2 it is shown, spray code spraying apparatus 4 includes connecting rod 41 and the code spraying device 42 being rotationally connected with connecting rod 41, and connect Extension bar 41 is connected with adjusting means 43；Adjusting means 43 include adjustable plate 44 and be arranged in frame 1 for by adjustable plate 44 are anchored on the fastening bolt 46 in frame 1, adjustable plate 44 are provided with for adjustable plate 44 between frame 1 and fastening bolt 46 The strip groove 45 slided, adjustable plate 44 is connected with connecting rod 41.

As it is shown in figure 1, in above-mentioned, horizontal drive apparatus 24 uses with vertical drive 22 and similarly configures, vertical sealer Device 21 may be used without similarly configuring with horizontal sealer device 23；By film rolling device, plane packaging bag is rolled into circular arc Shape, vertical drive 22 forms the packaging of cylindrical shape by driving vertical sealer device 21 that packaging bag carries out hot pressing sealer Bag, subsequently according to coding position and the size of packaging bag of packaging bag, by code spraying device on spray code spraying apparatus 4 42 and packaging bag it Between relative position be adjusted, spray code spraying apparatus 4 carries out coding process to packaging bag subsequently, then is entered toward packaging bag by barrel 31 Row charging, after the amount of mess adds well, packaging bag is carried out by horizontal drive apparatus 24 by driving horizontal sealer device 23 Encapsulation process, carries out the sealing of bottom simultaneously by a upper packaging bag, and after package encapsulation, shear 25 is with horizontal drive apparatus The effect that the continuation of 24 is cut off after carrying out sealer, cuts the packaging for foodstuff after finished product, forms single food bag Pack, complete automatically to pack, stamp, the effect of separation.

Embodiment 2: be with implementing 1 difference, described vertical drive 22 also can be used directly cylinder and replaces, makes Cylinder horizontal drive connecting plate 223, makes connecting plate 223 be on the litter 222 of right angle setting frame 211 slip, and then drives base Vertical sealer block 212 horizontal drive on plate 214 and substrate 214.

The above is only preferred implementation of the present utility model, and protection domain of the present utility model is not limited merely to Above-described embodiment, all technical schemes belonged under this utility model thinking belong to protection domain of the present utility model.Should refer to Go out, for those skilled in the art, without departing from the some improvement under this utility model principle premise and Retouching, these improvements and modifications also should be regarded as protection domain of the present utility model.

Claims

1. an automatic packaging machine, the sealer mechanism (2) including frame (1), being arranged in frame (1) and the packaging that will launch Bag be rolled into cylindrical shape be rolled into device (3), it is characterised in that: described sealer mechanism (2) includes may be contained within the use in frame (1) In the vertical sealer device (21) that packaging bag is hot pressed into tubular, the vertical drive that drives vertical sealer device (21) to move (22), for tubular packaging bag heat being carried out the horizontal sealer device (23) that seals and driving horizontal sealer device (23) to move Horizontal drive apparatus (24), described vertical sealer device (21), horizontal sealer device (23) be arranged in frame (1) up and down, Being provided with the spray code spraying apparatus (4) for packaging bag carries out coding in described frame (1), described spray code spraying apparatus (4) is by arranging Code spraying device (42) and packaging bag after heat-sealing it is used for regulating in spray code spraying apparatus (4) relative to the adjusting means of position in frame (1) (43) it is connected with frame (1).

Automatic packaging machine the most according to claim 1, it is characterised in that: described vertical sealer device (21) includes vertically pacifying Shelve (211), be arranged at the vertical sealer block (212) of right angle setting frame (211) both sides and be arranged at vertical sealer block (212) The upper vertical heat block (213) for pressing heat sealed package bag, described vertical drive (22) is with vertical sealer block (212) even Connect and drive vertical sealer block (212) to be on right angle setting frame (211) and slide even towards vertical sealer block (212) direction that opposes Connect.

Automatic packaging machine the most according to claim 2, it is characterised in that: described vertical drive (22) includes and frame (1) the driving cylinder (221) connected, the litter (222) being arranged on right angle setting frame (211) connect with vertical sealer block (212) Push rod (224) that the connecting plate (223) connect and be slidably connected with litter (222) is connected with connecting plate (223) and and push rod (224) universal driving shaft (225) that connection and middle part are rotationally connected with frame (1), described universal driving shaft (225) one end and driving cylinder (221) connecting, the other end is rotationally connected with push rod (224).

Automatic packaging machine the most according to claim 1, it is characterised in that: described spray code spraying apparatus (4) includes connecting rod (41) And the code spraying device (42) being rotationally connected with connecting rod (41), described connecting rod (41) is connected with adjusting means (43).

Automatic packaging machine the most according to claim 4, it is characterised in that: described adjusting means (43) includes adjustable plate (44) And the fastening bolt (46) being used for being anchored in frame (1) adjustable plate (44) being arranged in frame (1), described adjustable plate (44) strip groove (45) slided between frame (1) and fastening bolt (46) for adjustable plate (44), described tune it are provided with on Joint plate (44) is connected with connecting rod (41).

Automatic packaging machine the most according to claim 1, it is characterised in that: described horizontal sealer device (23) includes that level is pacified Shelve (231), be arranged at the horizontal sealer block (232) of the setting that is horizontally mounted on frame (231) and opposes and be arranged at level envelope The upper horizontal heat block (233) for pressing heat sealed package bag of film block (232), described horizontal drive apparatus (24) and horizontal sealer Block (232) connects and driving horizontal sealer block (232) is in and is horizontally mounted on frame (231) towards horizontal sealer block (232) side that opposes To being slidably connected.

Automatic packaging machine the most according to claim 6, it is characterised in that: it is provided with for sealing in described level envelope module Packaging bag after film carries out the shear (25) cut off.

Automatic packaging machine the most according to claim 7, it is characterised in that: described shear (25) includes return spring (251), after cut off hot pressing sealer the cutting knife (252) of packaging bag, wear and penetrate in horizontal sealer block (232) and horizontal sealer block (232) it is slidably connected and fixes the fixing bar (253) being connected and the installing plate being connected with fixing bar (253) with cutting knife (252) (254) peace is driven in, described cutting knife (252) is disposed therein a horizontal sealer block (232) and by horizontal drive apparatus (24) Dress plate (254) towards another horizontal sealer block (232) direction move, described horizontal drive apparatus (24) by installing plate (254) with Be horizontally mounted frame (231) to connect, described return spring (251) be socketed on that fixing bar (253) is upper and two ends respectively with installing plate (254) and be horizontally mounted frame (231) connect.

Automatic packaging machine the most according to claim 2, it is characterised in that: described vertical heat block (213) add hot surface It is provided with heating striped (26) along its length.

Automatic packaging machine the most according to claim 2, it is characterised in that be rolled into device (3) described in: and include and vertical sealer Block (212) is arranged in parallel and is used for the vertically arranged barrel of horizontal sealer block (232) (31) and being arranged on barrel (31) Transmitting the guide ring (32) that packaging bag is round shape, some described guide rings (32) are arranged along barrel (31) direction of transfer interval.