CN207565960U - Fervent enclosed mechanism and film packaging machine - Google Patents

Abstract

The utility model provides a kind of fervent enclosed mechanism, for the fervent sealing of packing box film packaging, including supporting rack, fervent knife assembly, baffle plate assembly and clamping piece；The baffle plate assembly is flexibly connected with support frame as described above, and clamping piece clamping can be coordinated to treat the film earnestly sealed with respect to supporting rack displacement；The fervent knife assembly is flexibly connected with supporting rack, is set to baffle plate assembly far from packing box side；Displacement earnestly seals the film of clamping to the fervent knife assembly in a first direction；The first direction and horizontal plane are into angle α.The utility model also provides a kind of film packaging machine with the fervent enclosed mechanism.

Description

Fervent enclosed mechanism and film packaging machine

【Technical field】

The utility model is related to film packaging field, more particularly to a kind of fervent enclosed mechanism and film packaging machine.

【Background technology】

Commercialized society, enterprise are to publicize the product of oneself, can all strive making the outer packing of oneself product more attractive more aobvious Top grade need to usually pack the transparent film of last layer again in the outer surface of square box.As electronic product, food, cosmetics, The effects that being both needed in the outer packing of medical supplies etc. with a square package bag to play moisture-proof, anti-scratch or beauty.

During film packaging, heat-seal process is carried out to film, so that film wraps up packing box.It is however, existing Fervent mechanism cuts off film clout ineffective when carrying out heat-seal process to film so that packing film and packing box it Between gap surplus it is excessive, cause film packaging effect bad.

【Utility model content】

The technical issues of to overcome current film packaging field, the utility model provide a kind of fervent enclosed mechanism and thin Film packing machine.

The utility model provides a kind of fervent enclosed mechanism, for the fervent sealing of packing box film packaging, including support Frame, fervent knife assembly, baffle plate assembly and clamping piece；The baffle plate assembly is flexibly connected with support frame as described above, and can opposite branch Support displacement treats the film earnestly sealed so that clamping piece to be coordinated to clamp；The fervent knife assembly is flexibly connected with supporting rack, setting In baffle plate assembly far from packing box side；Displacement earnestly seals the film of clamping to the fervent knife assembly in a first direction； The first direction and horizontal plane are into angle α.

Preferably, the fervent enclosed mechanism further includes link, and the link is connect with the fervent knife assembly, and It is slidably matched with baffle plate assembly；And the fervent knife assembly and baffle plate assembly elastic movable supports.

Preferably, the first actuator is provided on support frame as described above, first actuator is connect with link, the company of drive Frame displacement in the vertical direction is connect, so as to drive baffle plate assembly displacement in the vertical direction.

Preferably, the fervent knife assembly includes the second actuator and sealing hot knife, second actuator are fixed In the connector and drive sealing hot knife displacement cutting film in a first direction.

Preferably, fervent knife assembly further includes elastic component, and the baffle plate assembly includes casing member, and the elastic component elasticity connects Connect the sealing hot knife and casing member；When the second actuator displacement in the vertical direction, the sealing hot knife passes through institute It states elastic component and applies elastic force to the casing member.

Preferably, it is provided with through flow hole in the casing member.

Preferably, the baffle plate assembly further includes a press mold part, and the press mold part is contacted with pellicular front, coordinates with clamping piece Clamp film；Fervent mouth is offered on the press mold part, the sealing hot knife earnestly seals film through the fervent mouth.

Preferably, the angle α meets, 85 ° >=α >=20 °.

Preferably, the baffle plate assembly is set horizontal by angle, and when clamping film jointly with clamping piece, described Baffle plate assembly is between fervent knife assembly and mounted box.

The utility model also provides a kind of film packaging machine, and the film packaging machine has aforementioned fervent enclosed mechanism.

Compared with prior art, easy-to-tear film packing machine provided by the utility model has the following advantages：

1st, it by the way that baffle plate assembly and clamp assemblies is set to clamp film to be cut, prevents from treating the film position earnestly sealed It moves, so that earnestly knife assembly as much as possible can cut off film clout, reduces more than the gap between film and packing box Amount；By the way that baffle plate assembly is set between fervent knife assembly and packing box, prevent heat radiation caused by fervent knife assembly from making Packing film portions under heat is obtained to shrink；By the oblique displacement of fervent knife assembly so as to more accurately cutting packet as much as possible The film clout of packing box is wrapped in, further to reduce the gap surplus between film and packing box, accomplishes the accurate of packing box Film packaging is sealed.

2nd, pass through baffle plate assembly and fervent knife assembly resilient engagement so that baffle plate assembly is that clamping piece cooperation clamping is to be cut Baffle plate assembly and clamping piece hard contact is avoided to cause to damage during the film removed；It can lead to when fervent knife assembly moves in place simultaneously It crosses to baffle plate assembly application elastic force and so that baffle plate assembly is more excellent to the clamping force of film.

【Description of the drawings】

Fig. 1 is film packaging machine modular structure schematic diagram provided by the utility model.

Fig. 2A is the structure diagram that push away case structure pushes away box process.

Fig. 2 B are the structure diagrams of grip box mechanism grip box process.

Fig. 2 C are the structure diagrams of Cheng Mo mechanisms support film bag making process.

Fig. 2 D are to expand the structure diagram that bag mechanism expands bag first state.

Fig. 2 E are to expand the structure diagram that bag mechanism expands the second state of bag.

Fig. 3 A are the dimensional structure diagrams that push away case structure pushes away box process.

Fig. 3 B are the dimensional structure diagrams of grip box mechanism grip box process.

Fig. 3 C are the dimensional structure diagrams of Cheng Mo mechanisms support membrane process.

Fig. 3 D are to expand bag mechanism to expand bag first state dimensional structure diagram.

Fig. 3 E are to expand bag mechanism to expand bag the second state dimensional structure diagram.

Fig. 3 F are that packing box is completed to expand the dimensional structure diagram after bag.

Fig. 4 is the structure diagram that packaging bag is earnestly sealed.

Fig. 5 is the dimensional structure diagram that fervent enclosed mechanism earnestly seals packing box.

Fig. 6 A are the configuration schematic diagrams at fervent the first visual angle of enclosed mechanism.

Fig. 6 B are the configuration schematic diagrams at fervent the second visual angle of enclosed mechanism.

Fig. 6 C are enlarged structure schematic diagrams of Fig. 6 B at B.

Fig. 7 A are the first state structure diagrams that fervent enclosed mechanism carries out fervent sealing action.

Fig. 7 B are the first state partial enlargement structural representations that fervent enclosed mechanism carries out fervent sealing action.

Fig. 7 C are the second status architecture schematic diagrames that fervent enclosed mechanism carries out fervent sealing action.

Fig. 7 D are the second state partial enlargement structural representations that fervent enclosed mechanism carries out fervent sealing action.

Fig. 7 E are the packing box dimensional structure diagrams after fervent sealing.

Fig. 7 F are the packing box planar structure schematic diagrams after fervent sealing.

Fig. 8 is reason angle chamfering mechanism structure diagram.

Fig. 9 A are that first state structure diagram is made in reason angle chamfering mechanism A stations reason angular motion.

Fig. 9 B are that the second status architecture schematic diagram is made in reason angle chamfering mechanism A stations reason angular motion.

Figure 10 A are film thermal contracting mechanism's structure diagrams.

Figure 10 B are packing box film pyrocondensation status architecture schematic diagrames.

Figure 10 C are status architecture schematic diagrames after packing box film pyrocondensation.

【Specific embodiment】

In order to make the purpose of this utility model, technical solution and advantage are more clearly understood, below in conjunction with attached drawing and implementation Example, the present invention is further described in detail.It should be appreciated that specific embodiment described herein is only used to solve The utility model is released, is not used to limit the utility model.

Referring to Fig. 1, a kind of film packaging machine 100, for packing packing box, including the feeding mechanism set gradually 10, bag-making packaging machine structure 20, fervent enclosed mechanism 26, reason angle chamfering mechanism 27 and discharging mechanism 70.Square box is outer Surface is cuboid, cube-shaped box body, and hollow processing can be done at the non-rib of the outer surface, and corner can be right angle, directly Angle and rounded corners, as long as shape is similar to cuboid, the box body of square is included in the rectangular packet of the utility model meaning Within the scope of mounted box, the follow-up packing box is square box in the utility model.

For feeding mechanism 10 for transporting square box to be packaged, bag-making packaging machine structure 20 provides a film opened simultaneously The packaging bag with opening is made in film and packaging bag is made to be wrapped in packing box.Fervent enclosed mechanism 26 will wrap packaging bag The opening of pack is earnestly sealed, so that packaging bag is wrapped in six faces of packing box, manages angle chamfering mechanism 27 by the packet after sealing Pack tailing reason direct join excision, the tailing of excision recycled by garbage collection mechanism 30, complete to packaging bag reason angle and The packing box of clout excision is sent out through discharging mechanism 70.

In section Example, film packaging machine 100, which further includes, expands bag mechanism 25, expands bag mechanism 20 and is set to bag making packaging Mechanism 20 and earnestly between enclosed mechanism 26, expands bag mechanism 25 and the opening of packaging bag is unfolded, make opening upper surface film and Spacing between the film of lower face reduces, and so as to which film be made to be adjacent to packing box, reduces the gap surplus between film and packing box, So as to fervent 26 precise ablation film clout of enclosed mechanism.

In section Example, film packaging machine 100 further includes film thermal contracting mechanism 40, and film thermal contracting mechanism 40 is set to It manages between angle chamfering mechanism 27 and discharging mechanism 70, completes to manage packaging bag the packing box of angle and clout excision first through film heat Pyrocondensation of the contracting mechanism 40 to packaging bag makes packaging bag be sent out after being further tightly attached to packing box through discharging mechanism 70.

Fig. 2A -2B and Fig. 3 A-3B are please referred to, 20 rack (not shown) of bag-making packaging machine structure connect with rack and sets successively The fervent mechanism 24 of film supplying unit 21, push away case structure 22, grip box mechanism 28, Cheng Mo mechanisms 23 and bag making put.

It is appreciated that in bag-making packaging machine structure 20 that film supplying unit 21 is for providing the film opened, so that film can wrap Packaging bag is made during dress.Push away case structure 22, grip box mechanism 28, Cheng Mo mechanisms 23 and the fervent mechanism 24 of bag making are used to coordinate Packaging bag, therefore push away case structure 22, grip box mechanism 28, Cheng Mo mechanisms 23 and system is made in the film that film supplying unit 21 is provided Earnestly mechanism 24 can be referred to as bag-making organization to bag.

Film supplying unit 21 includes, for membrane module 211 and winder component 213, for membrane module 211 and winder component 213 coordinating One film opened on vertical plane is provided, and defines a feeding mouth 215, film normal is positioned over the pan feeding side of feeding mouth 215 To, and the width of the film is more than the length of packing box, to ensure completely wrap up packing box.

Packing box is sent at feeding mouth 215 by feeding mechanism 10.Push away case structure 22 can be pushed away box piece or push away box bar, The direction displacement that can advance along packing box, i.e. X-direction displacement, will to packing box with the thrust on vertical thin-film direction Packing box pushes the film at feeding mouth 215 to so that film is wrapped in three faces of packing box, three faces two of which face phase Mutually parallel, another face connects two faces being mutually parallel.Such as Fig. 3 B are formed after film is wrapped in three faces of packing box Three shown adjacent opening a, b, c, two of which opening a, b is in the opposite sides of packing box.

Grip box mechanism 28 includes grip box part 281, and grip box part 281 is connect, and be respectively arranged at feeding mouth for two with rack The opposite sides of 215 Z-direction, after packing box is wrapped film, grip box part 281 acts opposite displacement in the Z-axis direction, i.e., Displacement on vertical direction clamps the upper end of packing box and the face of lower end with respect to two, by packing box clamping position, while also makes to be close to It can not be shifted between film and packing box on packing box, film is adjacent to packing box.

After packing box is by 28 clamping position of grip box mechanism, Cheng Mo mechanisms 23 enter the opening of packaging bag opposite sides, will The film of opening struts, and film is prevented because external force, its own gravity or electrostatic interaction are bonded, to ensure that the fervent mechanism 24 of bag making exists In fervent bag making process, serious deformation will not occur for the film at packaging bag both-side opening, it is ensured that subsequently to film to packing box Accurate packaging.Specifically, Cheng Mo mechanisms 23 include two support membrane 231, and for laminated structure, it connects with rack support membrane 231 It connects, the opening of packing film opposite sides is entered in closed form.Membrane 231 is supportted into after being open, opposite displacement in the Z-axis direction Opening a, b of film opposite sides is strutted in the Z-axis direction so that the upper side thin membrane and downside film of opening a, b are as far as possible With packing box corresponding surface, corresponding keeping parallelism.

Fig. 2 C-2D and Fig. 3 C-3D are please referred to, after Cheng Mo mechanisms 23 provide support to opening a, b of film both sides, system Earnestly mechanism 24 earnestly seals the opening between packing box opposite sides opening to bag, i.e. opening c in Fig. 3 B makes to be packaged in The film of packing box forms the packaging bag with both sides opposed open, that is, has the packaging bag of opening a, b, while makes film supplying unit 21 films provided bind again at fervent place, form cut mark h1 as shown in Figure 2 D.And enter packaging bag expanding bag mechanism 25 After both-side opening, support membrane mechanism 23 moves in the Y-axis direction to far from packing box direction, resets.

Specifically, the fervent mechanism 24 of bag making includes bag making hot knife 241 and bag making bed plate 243, bag making hot knife 241, system Bag bed plate 243 is connect, and be set to the opposite sides of feeding mouth 215 in the Z-axis direction with rack.Cheng Mo mechanisms 23 will be with respect to two After the film of side opening struts, push away case structure 22 is resetted to far from the displacement of packing box direction.Then, the system of the fervent mechanism 24 of bag making Bag 243 opposite displacement of hot knife 241 and bag making bed plate, the lower films at the c that is open are fervent, opening c is earnestly sealed, simultaneously Film on the film supplying unit 21 earnestly located is respectively formed on packaging line h2 with the film for being packaged in formation packaging bag on packing box. So that tool there are three be open packing film, become only there are two opposed open packaging bag.

Meanwhile rotated in plastic film residue collect mechanism 213, the film at feeding mouth 215 is stretched again, so as to next time to packaging Box carries out film packaging, also by the retracting of cut mark h1 in film material volume, prevents in subsequent handling due to the cut mark h1 on film In the presence of and influence entire package effect.

After the fervent mechanism 24 of bag making completes fervent bag making action, expand bag mechanism 25 and enter opening for packaging bag opposite sides Mouthful, then Cheng Mo mechanisms 23 reset, to prepare to support film next time.

Fig. 2 E and 3E-3F are please referred to, expands bag mechanism 25 and includes two expansion bag webs 251, expand bag webs 251 and enter in closed form The opening of packaging bag both sides, then Cheng Mo mechanisms 23 resetted to far from packing box direction displacement, meanwhile, two are expanded bag webs 251 in X Displacement is unfolded in the opposite direction respectively in axis direction, the film level of opening is strutted so that the film of opening upper surface Spacing between the film of lower face reduces or even is in contact so that film is adjacent to packing box, convenient for film fit closely in The surface of packing box forms the packing box of packaged bag integral packaging as illustrated in Figure 3 F.

However, packaging bag, after packing box is packed, packaging bag can also be there are clout film, those clout films are included more than side Expect film e and angle clout film f.In order to film be made more to fit closely and packing box, realize to the accurate close of packing box Packaging needs as much as possible by extra side clout film e and angle clout film f excisions.

It is appreciated that in some embodiments, it can be no to expand bag mechanism 25, and the fervent mechanism 24 of bag making seals film After the packaging bag with both-side opening is made in mouth, fervent enclosed mechanism seals the both-side opening of packaging bag.

Fig. 4-5 are please referred to, fervent enclosed mechanism 26 is fervent by side clout film e so that more than the side of packaging bag opposite sides Material is removed as far as possible, so that the film of packaging bag is adjacent to packing box, realization pair as far as possible while packaging bag enclosing The fine packaging of packing box.And due in actual production process, square box is fed in production in engineering can be there are Slight deformation so that certain faces therein are not very smooth, therefore are carrying out wanting when tailing is cut off to packaging bag Ensure to touch with the corner of packing box.

Please refer to Fig. 6 A-6B, fervent enclosed mechanism 26 include supporting rack 261, fervent knife assembly 263, link 265 and Clamping piece 267.The side that fervent knife assembly 263 is set to packaging bag film is connect by link 265 with supporting rack 261, and With link 265 is oblique is slidably matched, with oblique cutting film.Clamping piece 269 is set to the opposite opposite side of packaging bag film, Coordinate clamping film, and sealing support is provided for fervent knife assembly 263 with fervent knife assembly 263, packing film is earnestly sealed.

Specifically, the first actuator 2611 is provided on supporting rack 261, the first actuator 2611 is connect with link 265, The displacement in vertical direction, that is, Z-direction of link 265 is driven, displacement connects in the Z-axis direction so as to drive fervent knife assembly 263 Nearly film.Preferably, the first actuator 2611 is cylinder.

Be provided with the first sliding part 2651 on link 265 and fervent 263 matched face of knife assembly, for it is fervent Component 263 is slidably matched.First sliding part 2651 is set horizontal by angle α, 85 ° >=α >=20 °, so that fervent group Part 263 can displacement in a first direction, i.e., shifted up horizontal by angle α side.With to the packaging on packing box Bag film as much as possible can cut packing film clout when earnestly sealing so that and film more compacts fitting and packing box, To reach more fine packaging, while packing box will not be caused to damage when earnestly sealing.

Preferably, the first sliding part 2,651 at least two is divided into two groups of opposite sides for being set to link 265.

Fervent knife assembly 263 includes knife rest 2631, sealing hot knife 2632, the second actuator 2633, the second sliding part 2634 and locating part 2635.Knife rest 2631 is detachably connected with sealing hot knife 2632, and the second sliding part 2634 is set to knife On frame 2631 and 265 matched face of link, and the second sliding part 2634 is correspondingly arranged with the first sliding part 2651, with the One sliding part 2651 is slidably matched.

Second actuator 2633 connects knife rest 2631 and link 265, and passes through link 265 and provide supporting part moving knife Frame 2631 slides oblique displacement with respect to link 265, so as to which sealing hot knife 2632 be driven to synchronize oblique displacement, coordinates clamping piece 267 pairs of films carry out fervent.Preferably, the second actuator 2633 is cylinder.Meanwhile in the present embodiment, the first sliding part 2651 Can be sliding rail, the second sliding part 2634 is the sliding block that is slidably matched with sliding rail or the first sliding part 2651 is sliding block, and second slides Moving part 2634 is sliding rail.

Locating part 2635 is installed with knife rest 2631 and is set to the opposite sides of the second sliding part 2634, for being slided to first Moving part 2651 carries out slip limiting, prevents 2651 stroke over range of the first sliding part, causes to damage with other assemblies hard contact.

Also referring to Fig. 6 C, sealing hot knife 2632 is used for fervent film position as blade part 2630, blade part 2630 It is set close to packing box side horizontal by angle β, 90 ° of ＞ β >=α.More films can be cut off when fervent to film Clout.And the stepped intensity set to enhance blade part 2630 of the edge of a knife of blade part 2630.

Referring again to Fig. 6 A-6B, fervent enclosed mechanism 26 further includes baffle plate assembly 269, baffle group in some embodiments Part 269 and fervent 263 homonymy of knife assembly, and set horizontal by angle, while baffle plate assembly 269 and 265 activity of link Connection grips the film clout of packaging bag for coordinating with clamping piece 267, and can effective barrier closures hot knife 2632 Generated heat radiation prevents heat radiation from making to be wrapped in the packing film pyrocondensation on packing box, influences subsequently to the packet of packing box Fill effect.

Specifically, third sliding part 2652 is provided on link 265, third sliding part 2651 is set horizontal by γ angles It puts, and 90 ° of ＞ γ ＞ β.For forming oblique be slidably matched with baffle plate assembly 269.Baffle plate assembly 269 includes casing member 2691st, the 4th sliding part 2692 and press mold part 2694.Casing member 2691 is set horizontal by angle γ, the 4th sliding part 2692 connect with casing member 2691, and accurately clamp film edge with oblique be slidably matched of third sliding part 2652.Press mold part 2694 connect with casing member 2691, are set to 2691 bottom of casing member, and the bottom surface of press mold part 2694 is parallel with horizontal plane, so as to Face clamping is cooperatively formed so as to securely clamp the film clout of packaging bag with clamping piece 267, accomplishes fervent knife assembly 263 Accurate earnestly sealing.Fervent mouth 2695 is offered on press mold part 2694, sealing hot knife 2632 can be from the fervent mouth 2695 In film across fervent press mold part 2694 and clamping piece 267.Press mold part 2694 can be integrally formed with casing member 2691, It may also be separately positioned.

Through flow hole (not shown) is provided in casing member 2691, through flow hole is connected with condenser pipe 2696, passes through condenser pipe 2696 injection condensate liquids, to reduce the temperature of casing member 2691, so that the heat radiation of effective barrier closures hot knife 2632 is to packet The influence of film on packing box prevents film from locally being shunk by heat radiation, so that film can be fitted closely more preferably In packing box surface.

Elastic parts 2636 is additionally provided on fervent knife assembly 263, connector 2693, bullet are provided on baffle plate assembly 269 Property component 2636 with forming resilient engagement by connector 2693 and casing member 2691, apply elastic force to baffle plate assembly 269, Further apply elastic force to baffle plate assembly 269 when earnestly being sealed to packaging bag film so that baffle plate assembly 269 and clamping piece 267 film clamp dynamics biggers of the cooperation between baffle plate assembly 269 and clamping piece 267, to the clamping position effect of film more It is excellent, so that earnestly component 263 is earnestly more accurate.

Specifically, elastic parts 2636 includes connecting rod 2637, elastic component 2638 and block 2639.Connecting rod 2,637 1 End is connect with knife rest 2631, and the opposite other end is connect with block 2639, and through-hole, connector 2693 are offered on connector 2693 Coordinated by the movable connection of through-hole and connecting rod 2637.Elastic component 2638 is set between block 2639 and connector 2693, By the position-limiting action of block 2639, connector 2693 can be caused along connecting rod 2637 in block 2639 under external force The elastic displacement between knife rest 2631, so that earnestly knife assembly 263 can 269 elastic displacement of opposing flaps component.

Further, when fervent knife assembly 263 is to close to the displacement of film direction by elastic component 2638 to baffle plate assembly 269 Apply elastic force so that can further increase the clamping force to film in displacement process.Preferably, elastic component 2638 is Spring is sheathed in the connecting rod 2637 between block 2639 and connector 2693.

Fig. 7 A-7B are please referred to, when corner extra to packaging bag is cut off and is sealed, the first actuator 2611 is in Z axis The upper shipper pole in direction moves the baffle plate assembly 269 being attached thereto and synchronizes displacement in the same direction, moves closer to film to be held, clamps simultaneously Part 267 with the 2611 reversed displacement of the first actuator, coordinates common folder with the press mold part 2694 of baffle plate assembly 269 in the Z-axis direction Hold the side clout film e of packaging bag to be cut off.Since baffle plate assembly 269 is horizontal by angle setting, in displacement process In, film can be made close to packing box while be clamped, and since baffle plate assembly 269 is oblique close during film clamp Packing box, thus the oblique clamping of film to the greatest extent can may be used causing film packing box has slight deformation baffle plate assembly 269 While packing box can be adjacent to, packing box will not be damaged.

Further, after press mold part 2694 and clamping piece 267 clamp the side clout film e of packaging bag, casing member 2691 It keeps off between sealing hot knife 2632 and the packaging bag film being packaged on packing box, prevents the heat radiation of sealing hot knife 2632 So that packaging bag film local heating shrinks.

Fig. 7 C-7E are please referred to, while press mold part 2694 pushes down side clout film e, the second actuator 2633 action band Dynamic sealing 2632 oblique displacement of hot knife, to cut off more packaging bag clouts, more than the side for reaching precise ablation film packaging bag Expect the purpose of e, so that packaging bag can more preferably be tightly attached to packing box, reach more excellent, finer packaging effect.

The side clout e of removed film packaging bag collects packet garbage collection mechanism 30, the embodiment of the utility model Middle garbage collection mechanism 30 can be that manipulator can also be sucker.

When the second actuator 2633 drives sealing hot knife 2632 to act, while pass through connecting rod 2637 and block 2639 squeeze elastic component 2638 so that and elastic deformation occurs for elastic component 2638, applies elastic force to baffle plate assembly 269, so that Film packaging bag side clout e clamping force biggers between clamping piece 267 and baffle plate assembly 269 are more secured, convenient for precise ablation The side clout e of film packaging bag.

It is earnestly sealed to packaging oil packing box and with the packaging bag that opposite sides is open in fervent knife assembly 263 Afterwards, sealing part leaves fervent packaging line h2 and angle film clout f, as seen in figure 7e.

As shown in Figure 7 F, after packing box completes earnestly sealing, also there are more than larger gap between film and packing box D is measured, while packaging bag film is also there are angle clout f, therefore also need to carry out reason angle corner cut process, the corner of packaging bag film is managed Direct join is cut off, with the gap surplus between further small packet mounted box and packaging bag film.

Distinguish as shown in figure 8, reason angle chamfering mechanism 27 divides for A station 27a and B station 27b, A station 27a and B stations 27b The opposite both sides of packing box are arranged on, and the mechanical structure of A station 27a and B stations 27b is basically identical, is respectively utilized to complete Reason angle is carried out to the corner of the opposite sides of packaging bag for containing packing box, and is cut off straight film clout is managed, is being cut off Place, which is formed, combines film, reduces the surplus in the gap between packing box and film so that packing film is adjacent to packet as far as possible Mounted box plays and more preferably packs effect.

Fig. 9 A-9B are please referred to, the reason angle chamfering mechanism 27 of wherein A stations 27a includes Li Jiao mechanisms 271a, chamfering mechanism 272a and La Jiao mechanisms 273a.Li Jiao mechanisms 271a, chamfering mechanism 272a, La Jiao mechanism 273a are successively set on packing box One end.Li Jiao mechanisms 271a includes reason corner fittings 2711a, and reason corner fittings 2711a can be roller, polished rod or sliding block.For that will pack The corner reason of bag is straight.It is two to manage corner fittings 2711a, is set to packing box side, gradual displacement is close to the angle to be managed of packing box Side wall.Manage corner fittings 2711a among displacement process by the film that packaging bag is made gradually close to packing box, then manage corner fittings 2711a moves or rolls packaging bag along the side wall of packing box, and packaging bag film is made to be close to packing box, and then makes packing box front end Corner reason it is straight.And when if minimum perforation is perforated on packing film, in movement or rolling process, if being pierced on packing film The perforation worn, resonable corner fittings 2711a is mobile or rolling process air can be run out of from perforation, so that the film of packaging bag It is easier to be adjacent to packing box.

Li Jiao mechanisms 271a further include angle part 2713a, angle part 2713a with reason corner fittings 2711a it is adjacent, with resonable corner fittings 2711a is gripped after packaging bag corner is managed directly, prevents film return, influences to pack effect.Meanwhile also allow for chamfering mechanism 272a stretches the film clout excision of positioning by direct join is managed.

Chamfering mechanism 272a includes corner cut hot knife 2721a and corner cut bed plate 2723a, manages the film corner after straight fix It is placed between corner cut hot knife 2721a and corner cut bed plate 2723a, corner cut hot knife 2721a and corner cut bed plate 2723a are opposite Movement forms packaging line so that film environmental sealing packing box to cut off the corner after reason is directly fixed in cut place.

La Jiao mechanisms 273a can be manipulator, corner fittings 2731a and second be drawn to draw corner fittings 2733a including first.First Corner fittings 2731a and second is drawn to draw corner fittings 2733a after chamfering mechanism 272 cuts off corner, the tailing of excision is pulled away from packet Mounted box.

It is appreciated that Li Jiao mechanisms 271a includes the opposite sides that reason corner fittings 2711a can also be set to packing box, only Corner fittings 2711a, which need to be managed, can exert a force the packaging bag corner for being packaged with packing box when movement and manage straight.In A stations After 27a manages the corner of packing box one end directly, other end corner reason opposite to packing box B stations 27b is straight.

The mechanical structure of B stations 27b and A stations 27a are essentially identical, are symmetrical arranged, including Li Jiao mechanisms 271b, corner cut Mechanism 272b and La Jiao mechanism 273b.Packing box A stations 27a one end of packaging bag is carried out reason angle and corner cut after the completion of, In B station 27b, step completes the reason angle of the packaging bag corner of the packing box opposite other end and corner cut work in the same way Make.

The reason angle corner cut process of A stations 27a and the reason angle corner cut process of B stations 27b can be carried out at the same time, and can also first be existed One of station completes reason angle corner cut process, then completes reason angle corner cut process to another station.

0A is please referred to Fig.1, completes packing box thermally equivalent contraction in film thermal contracting mechanism 40 of reason angle corner cut process, patch Hard-pressed bale mounted box.

0B-10C is please referred to Fig.1, if having perforation on film, extra gas N will be discharged from perforation in film packaging bag, So that film packaging bag more fits closely packing box M, accomplish precisely to pack.

Meanwhile under the thermodynamic activity of film thermal contracting mechanism 40 when film pyrocondensation by boring close so that packaging it is thin Film package bag forms closed environment package packing box M, and send out through discharging mechanism 70 from new.

Easy-to-tear film packing machine provided by the utility model has the following advantages compared with prior art：

1st, it by the way that baffle plate assembly and clamp assemblies is set to clamp film to be cut, prevents from treating the film position earnestly sealed It moves, so that earnestly knife assembly as much as possible can cut off film clout, reduces more than the gap between film and packing box Amount；By the way that baffle plate assembly is set between fervent knife assembly and packing box, prevent heat radiation caused by fervent knife assembly from making Packing film portions under heat is obtained to shrink；By the oblique displacement of fervent knife assembly so as to more accurately cutting packet as much as possible The film clout of packing box is wrapped in, further to reduce the gap surplus between film and packing box, accomplishes the accurate of packing box Film packaging is sealed.

2nd, pass through baffle plate assembly and fervent knife assembly resilient engagement so that baffle plate assembly is that clamping piece cooperation clamping is to be cut Baffle plate assembly and clamping piece hard contact is avoided to cause to damage during the film removed；It can lead to when fervent knife assembly moves in place simultaneously It crosses to baffle plate assembly application elastic force and so that baffle plate assembly is more excellent to the clamping force of film.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Any modification made within the principle of utility model, equivalent replacement and improvement etc. should all include the scope of protection of the utility model Within.

Claims (10)

1. a kind of fervent enclosed mechanism, for the fervent sealing of packing box film packaging, it is characterised in that：Including supporting rack, heat Cutter assembly, baffle plate assembly and clamping piece；The baffle plate assembly is flexibly connected with support frame as described above, and can be with respect to supporting rack position It moves that clamping piece clamping is coordinated to treat the film earnestly sealed；

The fervent knife assembly is flexibly connected with supporting rack, is set to baffle plate assembly far from packing box side；The hot knife group Displacement earnestly seals the film of clamping to part in a first direction；

The first direction and horizontal plane are into angle α.

2. fervent enclosed mechanism as described in claim 1, it is characterised in that：The fervent enclosed mechanism further includes link, The link is connect with the fervent knife assembly, and is slidably matched with baffle plate assembly；And the fervent knife assembly and baffle group Part elastic movable supports.

3. fervent enclosed mechanism as claimed in claim 2, it is characterised in that：The first actuator is provided on support frame as described above, First actuator is connect with link, link displacement in the vertical direction is driven, so as to drive baffle plate assembly vertical Side shifts up.

4. fervent enclosed mechanism as claimed in claim 3, it is characterised in that：The fervent knife assembly include the second actuator with And sealing hot knife, second actuator be fixed on the connector and drive sealing hot knife in a first direction displacement cut Cut film.

5. fervent enclosed mechanism as claimed in claim 4, it is characterised in that：Fervent knife assembly further includes elastic component, the gear Plate component includes casing member, sealing hot knife and casing member described in the elastic component elastic connection；When the second actuator is vertical When side shifts up, the sealing hot knife applies elastic force by the elastic component to the casing member.

6. fervent enclosed mechanism as claimed in claim 5, it is characterised in that：Through flow hole is provided in the casing member.

7. fervent enclosed mechanism as claimed in claim 5, it is characterised in that：The baffle plate assembly further includes a press mold part, institute It states press mold part to contact with pellicular front, coordinates clamping film with clamping piece；

Fervent mouth is offered on the press mold part, the sealing hot knife earnestly seals film through the fervent mouth.

8. fervent enclosed mechanism as claimed in any one of claims 1 to 6, it is characterised in that：The angle α meets, 85 ° >=α ≥20°。

9. fervent enclosed mechanism as claimed in any one of claims 1 to 6, it is characterised in that：The baffle plate assembly and horizontal plane It is set in angle, and when clamping film jointly with clamping piece, the baffle plate assembly is between fervent knife assembly and packing box.

10. a kind of film packaging machine, it is characterised in that：The film packaging machine includes as claimed in any one of claims 1 to 6 Fervent enclosed mechanism.