CN206202810U - Packing machine film feeding device - Google Patents

Abstract

The utility model discloses a kind of packing machine film feeding device, its drip irrigation device is the thin-film unreeling mechanism for including two guide rollers being oppositely arranged and the setting of guide roller side, guide roller is obliquely installed, one end that guide roller is in eminence is provided with pressure holding piece, the edge of film is relative between pressure holding piece and guide roller and between film edge and pressure holding piece by pressure holding to be slided, and has reached that operation is more convenient and purpose of improve production efficiency.

Description

Packing machine film feeding device

Technical field

The utility model is related to a kind of packaging facilities, more particularly to a kind of packing machine film feeding device.

Background technology

As people's living standard is improved, people require drinking-water also to increase, particularly quality problem, bucket in recent years Dress water has come into huge numbers of families, and bottled water is also into industrialized production pattern.Because the bucket that bottled water is used is that circulation makes , dust fall and abrasion are unavoidable in transportation, so in order to improve bottled water quality, present bottled water is before dispatching from the factory Thin film can be outside put, it is reduced abrasion in transportation, while reducing storage and influenceing attractive in appearance in carrying.

And bagging can be carried out to bucket using packing machine now, specifically refer to Application No. 201520935975.3 Chinese patent, it includes bucket conveyer, film feeder and mold closing mechanism.Bucket conveyer includes that bottom supports transmission Bucket conveyer belt, bucket neck chain bar grip belts.Film feeder includes film placing mechanism and guide roller, is laterally set on film placing mechanism Film roll is equipped with, film passes through the guide roller being obliquely installed, and transverse direction is switched to from vertical expansion, and frame centre position is set a pair The split film of cutting of " L " type closes film die, cuts film and closes setting heater circuit in film die, is subject to close film device while cutting film and closing film die The driving of drive mechanism.It can be connecting rod haulage gear to close film device drive mechanism, cut film and close film die top by rhombus company The upper and lower 2 points of connections of bar.Other 2 points of link in rhomb form, a positioning fixing point, another is connected to ejecting rod of cylinder, by cylinder Turnover traction is cut film conjunction film die and opens or merge.

In the prior art, need to carry out change of lap after film roll is unreeled and finished, film needs to bypass inclination again during change of lap Guide roller, in reel change, the film on inclined guide roller is also easy to occur the phenomenon of downward landing, increases change of lap The difficulty of operation, influences the efficiency of production.

Utility model content

The purpose of this utility model is to provide a kind of more convenient and improve production efficiency the packing machine film conveying of operation Device.

Above-mentioned technical purpose of the present utility model technical scheme is that：A kind of packing machine film is defeated Device, including the thin-film unreeling mechanism that two guide rollers being oppositely arranged and guide roller side are set are sent, guide roller is inclined and set Put, one end that guide roller is in eminence is provided with pressure holding piece, and the edge of film is between pressure holding piece and guide roller and thin by pressure holding It is relative between film edge and pressure holding piece to slide.

By using above-mentioned technical proposal, when needing to change film, change film after new film roll around guide roller, Rear film switch to transverse direction from vertical expansion, reach and close at film device, and film is when bypassing guide roller, it is possible to use pressure holding piece pressure The firmly edge above film so that film is not easy to be slid from inclined guide roller.

Preferably, pressure holding piece include elastic pressuring plate, elastic pressuring plate one end be provided with fixing bolt and by fixing bolt with Guide roller is connected, and the other end is rotatably connected to pressure holding wheel, and pressure holding wheel is set along the direction of transfer of film.

By using above-mentioned technical proposal, during film is transmitted, pressure holding wheel load handles film, is sent out between film Raw rolling friction, it is smaller in the friction of direction of transfer, it is not easy to damage film.

The groove to be formed and coordinated with pressure holding wheel preferably, guiding roller surface caves inward, groove inner surface and guide roller Surface rounding off.

By using above-mentioned technical proposal, film can be clamped with relatively stable, can preferably prevent film from Slid on guide roller.

Preferably, thin-film unreeling mechanism includes frame and the let off roll being supported in frame, docking is connected with frame Platform, is provided with hot pressing part above docking platform, the gap passed through for film, machine are provided between hot pressing part and docking platform Driving hot pressing part is provided with frame to move downward so as to clamp the driver of film.

By using above-mentioned technical proposal, when change of lap is needed, by the end of the end of new film and remaining film The lower section of hot pressing part is stacked together and be positioned over, hot pressing part and driver are started afterwards, hot pressing part is heated, and driver is downward Promote hot pressing part so that the film that hot pressing part pressure holding is firmly mutually stacked so that two sections of films are hot pressed together, then pass through Driver lifts hot pressing part, you can start to continue to unreel.So that workpeople leads without again bypassing film roll after change of lap To preparations such as rollers, production efficiency is improve, while operation is also more convenient.Also and, be engaged with holder, when Securities is changed Film loses tension force, and film now is also not easy to be slid from inclined guide roller.

Preferably, be provided with reed on docking platform, reed one end rotates with docking platform and be connected, the other end and film Edge mate.

By using above-mentioned technical proposal, in docking, it is possible to use film is lived in the preliminary pressure holding of reed, and film is in docking When position relatively stablize so that docking it is relatively stable fully.

Preferably, let off roll includes the preceding let off roll, movable let off roll and rear let off roll, preceding let off roll and the work that set gradually The workspace placed for film roll when unreeling is formed between dynamic let off roll, is formed between movable roll and rear let off roll for be changed Storage area that the film roll of volume is placed, is provided with driving activity let off roll and moves downward so that storage area on movable let off roll The drive component that film roll is rolled to workspace.

By using above-mentioned technical proposal, operationally, wherein a roll of film roll is placed at workspace and is unreeled, one Film roll to be unreeled is rolled up to be placed at storage area；Film roll at workspace is unreeled after finishing, and takes down the core of film roll, is beaten Open drive component so that movable let off roll is moved downward, the film roll in storage area because the reason for self gravitation, against work The film roll of dynamic let off roll side is moved downward, and is tumbled to workspace；Then drive component driving activity let off roll is transported upwards It is dynamic, until movable let off roll returns to initial position, can now use hand steered firmly film roll, be film roll stabilizing at workspace, So as to complete change of lap.Film roll is preferentially placed on storage area so before change of lap, is just subtracted without interim operation in change of lap Time in few operating process, while operation is also more convenient, improve operating efficiency.

Preferably, width of the width of storage area less than workspace.

By using above-mentioned technical proposal so that film roll is more prone to reach workspace after scrolling down through, and is put in activity When winding up roller rises, film roll is also easier to be located in workspace, it may not be necessary to hand steered.

Preferably, drive component includes swing arm, connecting rod and pusher cylinder, swing arm one end rotates with movable let off roll and connects Connect, the other end is hinged with frame, one end of connecting rod is articulated with swing arm, the other end is slidably connected in frame and and pusher cylinder Piston rod be hinged.

By using above-mentioned technical proposal, stretching back and forth for piston rod causes that one end of connecting rod slidably reciprocates, so as to drive The swing of swing arm, the movable let off roll in swing arm end transports work(up and down along camber line, so as to complete the operation of change of lap so that behaviour Make more convenient, improve operating efficiency.

Preferably, the end sliding of preceding let off roll is fixedly connected with positioning disk, the inner side of positioning disk and the end of film roll Contact.

By using above-mentioned technical proposal, positioning disk has certain position-limiting action to film, can prevent to a certain extent The sideslip of film roll and film so that film is more stablized when unreeling, it is not easy to the phenomenon for deviateing.

Preferably, being rotatably connected to tensioning frame in frame, tensioning frame includes idler roller, and idler roller is supported with the upper surface of film Connect.

By using above-mentioned technical proposal, swung back and forth by the drive of the receipts film of idler roller when unreeling so that Film prevents film from occurring lax situation when unreeling to a certain extent all the time in the state of tensioning.

In sum, the utility model has the advantages that：When film is changed, even if film loses tensile force, Film is also not easy to be slid from guide roller, while change of lap can efficiently be completed with more convenient by drive component, by heat Docking of the casting die to film, has further speeded up the operation of change of lap, and equipment can start working after film docking, improve production Efficiency.

Brief description of the drawings

Fig. 1 is packing machine structural representation；

Fig. 2 is A portions enlarged drawing in Fig. 1；

Fig. 3 is B portions enlarged drawing in Fig. 1；

Fig. 4 is guide roller structural representation；

Fig. 5 is the structural representation of embodiment two；

Fig. 6 is the structural representation for protruding let off roll；

Fig. 7 is C portions enlarged drawing in Fig. 5.

In figure, 1, body；11st, import；2nd, guide roller；21st, pressure holding piece；211st, elastic pressuring plate；212nd, pressure holding wheel；22nd, it is recessed Groove；3rd, bucket conveyer；4th, film roll；41st, core；5th, thin-film unreeling mechanism；51st, frame；511st, chute；52nd, let off roll； 521st, preceding let off roll；522nd, movable let off roll；523rd, rear let off roll；53rd, positioning disk；531st, retainer ring；532nd, locking bolt； 54th, docking platform；541st, slewing rollers；542nd, reed；55th, hot pressing part；551st, lift cylinder；56th, swing arm；561st, connecting rod；562、 Pusher cylinder;6th, bucket neck chain bar grip belts；7th, tensioning frame；71st, idler roller；72nd, connecting rod；73rd, rotating shaft.

Specific embodiment

The utility model is described in further detail below in conjunction with accompanying drawing.Wherein identical parts identical accompanying drawing Mark is represented.It should be noted that the word "front", "rear" for being used in description below, "left", "right", "up" and "down" refer to It is the direction in accompanying drawing, word " bottom surface " and " top surface ", " interior " and " outward " are referred respectively to towards or away from particular elements geometry The direction at center.

Embodiment 1：A kind of packing machine, as shown in figure 1, including body 1, the side of body 1 is import, and opposite side is provided with Outlet, the side of import 11 is provided with bucket conveyer 3, and bucket conveyer 3 includes support body and is rotatably connected on support body Bucket transfer roller.Guide roller 2 is provided between bucket conveyer and import 11, the side of guide roller 2 is provided with film Unreeling structure 5.

Thin-film unreeling mechanism 5 can also be two, be symmetricly set on the both sides of body 1, and it includes frame 51 and support Let off roll 52 in frame 51, let off roll 52 include the preceding let off roll 521 for setting gradually, movable let off roll 522 and after unreel Roller 523（Refer to Fig. 6）, preceding let off roll 521 is positioned near the side of body 1.In preceding let off roll 521 and movable let off roll 522 Between have certain gap, workspace is formed between the two, when film roll 4 is placed on workspace, film roll 4 be subject to preceding let off roll 521 supports common with movable let off roll 522.Equally, storage is formed between movable let off roll 522 and rear let off roll 523 Area, storage area is placed with the film roll 4 for treating change of lap.

With reference to Fig. 6 and Fig. 7, preceding let off roll 521 can be drive roll, the interval of let off roll 521 before being driven by servomotor The rotation of property, while the end of preceding let off roll 521 is fixedly connected with positioning disk 53 by locking bolt 532, positioning disk 53 it is interior Side and the ends contact of film roll 4.Positioning disk 53 forms retainer ring 531, retainer ring 531 away from the side of film roll 4 is outwardly On offer screwed hole, locking bolt 532 coordinates with screwed hole screw thread, locking bolt 532 one end is through screwed hole and preceding puts Winding up roller 521 is abutted.

Chute 511 is provided with frame 51, chute 511 can be vertical direction, it is also possible to preferably let off roll backward 523 sides are inclined, and the end sliding of movable let off roll 522 is connected in chute 511, and drive component is provided with frame 51, is driven Dynamic component includes drive cylinder and support block, and support block can regard the end of sliding block, support block and movable let off roll 522 as Connection is rotated, the end of the piston rod of drive cylinder is connected with support block, flexible by piston rod drives movable let off roll About 522 sliding.

Preferably, being smaller than movable let off roll 522 and preceding putting between rear let off roll 523 and movable let off roll 522 Width of the width of the spacing between winding up roller 521, i.e. storage area less than workspace.

Operationally, wherein a roll of film roll 4 is placed at workspace and is unreeled, a roll of film roll 4 to be unreeled is put Put at storage area；Film roll 4 at workspace is unreeled after finishing, and takes down the core 41 of film roll 4, opens drive cylinder, living Stopper rod is bounced back so that movable let off roll 522 is moved downward, the film roll 4 in storage area because the reason for self gravitation, against The film roll 4 of the side of movable let off roll 522 is moved downward, and is tumbled to workspace；Then drive component driving activity let off roll 522 motions upwards, until movable let off roll 522 returns to initial position, can be now that film roll 4 is steady with hand steered firmly film roll 4 It is scheduled at workspace, so as to complete change of lap.

With reference to Fig. 5, while being also connected with docking platform 54 in frame 51, the top of docking platform 54 is provided with hot pressing part 55, it is in strip that hot pressing part 55 is overall, and gap is set between hot pressing part 55 and docking platform 54, and hot pressing part 55 includes being arranged on bottom Heater strip, forced together after heater strip is to film melts, thus complete docking.Set in the top of hot pressing part 55 and installed Plate, installing plate is affixed with frame 51, and driver is connected with installing plate, and driver can be lift cylinder 551, lift cylinder 551 piston rod is affixed with hot pressing part 55, drives hot pressing part 55 to move up and down.

Hot pressing part 55 and docking platform 54 are respectively positioned on side of the let off roll 52 away from body 1, at the same docking platform 54 away from The side of let off roll 52 is provided with slewing rollers 541, and the two ends of slewing rollers 541 are rotatably connected in frame 51 respectively, slewing rollers 541 A part can with the upper surface of slightly protruding docking platform 54, protrude distance between 1mm to 3mm.Slewing rollers 541 can be Two, in being distributed up and down, be formed with a gap between two slewing rollers 541, film through after the rear steering of gap towards machine The direction of body 1 conveys.

In order to film is lived in preliminary pressure holding, it is ensured that film is relatively stable during hot pressing, reed is provided with docking platform 54 542, Fig. 2 is referred to, the undulate of reed 542, one end is bent upwards to form flange, and it is flat that the other end is bolted on docking On platform 54, and bar-shaped trough can be horizontally arranged with docking platform 54, bolt is fixed after being slid in bar-shaped trough.Reed 542 It is two, and is oppositely arranged on the two ends of docking platform 54.

And pressure holding piece 21 is provided with the guide roller 2 being obliquely installed, and Fig. 3 and Fig. 4 is referred to, pressure holding piece 21 is in and is oriented to One end higher of roller 2, the edge of film by pressure holding between pressure holding piece 21 and guide roller 2 and film edge and pressure holding piece 21 it Between relative slide.Pressure holding piece 21 includes elastic pressuring plate 211, and the one end of elastic pressuring plate 211 is connected by fixing bolt with guide roller 2, The other end is rotatably connected to pressure holding wheel 212, and pressure holding wheel 212 is set along the direction of transfer of film, by pressure holding wheel 212 and guiding Roller 2 clamps the edge of film.The groove 22 to be formed and coordinated with pressure holding the wheel 212 preferably, surface of guide roller 2 caves inward, The periphery of pressure holding wheel 212 is located in groove 22, the surface rounding off of the inner surface of groove 22 and guide roller 2.

Tensioning frame 7 can be provided between preceding let off roll 521 and body 1, tensioning frame 7 includes rotating shaft 73, connecting rod 72 With idler roller 71, rotating shaft 73 and body 1 rotated and be connected, can be driven by motor with rotating shaft 73, carries out upper and lower swing, motor It is arranged in body 1；Certain rotating shaft 73 can also be acted on by the self gravitation of tensioning frame 7, and cooperation film pull into Row swings up and down.Rotating shaft 73 is affixed by connecting rod 72 with idler roller 71, and idler roller 71 is abutted with the upper surface of film.

Operationally, preceding let off roll 521 can carry out intermittence and unreels with servomotor, and when pause is unreeled, bucket is by bucket neck Chain grip belts 6 are sent at Film combining machine structure, and film is pullled, wrapped up to bucket, idler roller 71 be subject to film to On power and be swung up；After bucket parcel is finished, preceding let off roll 521 is rotated, and film releases one section, and idler roller 71 is to the bottom It is dynamic, the tensioning of film is kept, successively back and forth.

A roll of film roll 4 is unreeled after finishing, and is reentered into film roll 4, by the end of new film and remaining film End is stacked together and is positioned over the lower section of hot pressing part 55, and hot pressing part 55 and driver are started afterwards, and driver pushes down on heat Casting die 55 so that the film that the pressure holding of hot pressing part 55 is firmly mutually stacked, hot pressing part 55 is heated so that two sections of films are hot pressed Together, hot pressing part 55 is then lifted by driver, you can start to continue to unreel.And during change of lap, it is possible to use Pressure holding piece 21 pushes down the edge above film, in the case where film loses tension force so that film is not easy to be led from inclined Slid on roller 2.

Embodiment 2：As shown in fig. 7, a kind of drive component of thin-film unreeling mechanism 5, including swing arm 56, connecting rod 561 and Pusher cylinder 562, offers the chute 511 of arc in frame 51, the end of movable let off roll 522 is equally slidably connected at chute In 511, and its end is rotated with one end of swing arm 56 and is connected, and the other end of swing arm 56 is hinged in frame 51；Connecting rod 561 One end be hinged on the middle part of swing arm 56, the other end is hinged with the piston rod end of pusher cylinder 562.

Stretching back and forth for piston rod causes that one end of connecting rod 561 slidably reciprocates, so as to drive the swing of swing arm 56 so that place Movable let off roll 522 in the end of swing arm 56 transports work(along camber line to complete the operation of change of lap up and down.

This specific embodiment is only that, to explanation of the present utility model, it is not to limitation of the present utility model, ability Field technique personnel can make the modification without creative contribution to the present embodiment as needed after this specification is read, but As long as all being protected by Patent Law in right of the present utility model.

Claims (10)

1. a kind of packing machine film feeding device, including two guide rollers being oppositely arranged (2) and guide roller（2）Side is set Thin-film unreeling mechanism, guide roller (2) is obliquely installed, it is characterised in that：The one end of guide roller (2) in eminence is provided with pressure holding Part (21), the edge of film is by pressure holding between pressure holding piece (21) and guide roller (2) and between film edge and pressure holding piece (21) It is relative to slide.

2. packing machine film feeding device according to claim 1, it is characterised in that：Pressure holding piece (21) is including elastic pressuring plate (211), elastic pressuring plate (211) one end is provided with fixing bolt and is connected with guide roller (2) by fixing bolt, and the other end is rotated Pressure holding wheel (212) is connected with, pressure holding wheel (212) is set along the direction of transfer of film.

3. packing machine film feeding device according to claim 2, it is characterised in that：Guide roller (2) surface caves inward Form the surface rounding off of the groove (22) coordinated with pressure holding wheel (212), groove (22) inner surface and guide roller (2).

4. packing machine film feeding device according to claim 1, it is characterised in that：Thin-film unreeling mechanism（5）Including machine Frame (51) and the let off roll (52) being supported in frame (51), are connected with docking platform (54), docking platform in frame (51) (54) hot pressing part (55) is provided with above, is provided between hot pressing part (55) and docking platform (54) between pass through for film Gap, is provided with driving hot pressing part (55) and moves downward so as to clamp the driver of film in frame (51).

5. packing machine film feeding device according to claim 4, it is characterised in that：Docking platform is provided with spring on (54) Piece (542), reed (542) one end rotates with docking platform (54) and is connected, the edge mate of the other end and film.

6. packing machine film feeding device according to claim 4, it is characterised in that：Let off roll (52) is including setting gradually Preceding let off roll (521), movable let off roll (522) and rear let off roll (523), preceding let off roll (521) and activity let off roll (522) Between be formed with the workspace placed for film roll (4) when unreeling, be formed between movable roll and rear let off roll (523) for be changed The storage area that the film roll (4) of volume is placed, is provided with driving activity let off roll (522) and moves downward on movable let off roll (522) So that the drive component that the film roll (4) of storage area is rolled to workspace.

7. packing machine film feeding device according to claim 6, it is characterised in that：The width of storage area is less than workspace Width.

8. packing machine film feeding device according to claim 6, it is characterised in that：Drive component include swing arm (56), Connecting rod (561) and pusher cylinder (562), swing arm (56) one end rotate with movable let off roll (522) and are connected, the other end and frame (51) be hinged, one end of connecting rod (561) is articulated with swing arm (56), the other end be slidably connected in frame (51) and with promote gas The piston rod of cylinder (562) is hinged.

9. packing machine film feeding device according to claim 6, it is characterised in that：Slide the end of preceding let off roll (521) Shifting is fixedly connected with positioning disk (53), the inner side of positioning disk (53) and the ends contact of film roll (4).

10. packing machine film feeding device according to claim 4, it is characterised in that：Frame is rotatably connected on (51) Tensioning frame (7), tensioning frame (7) includes idler roller (71), and idler roller (71) is abutted with the upper surface of film.