CN1031060A - Film dispenser - Google Patents

Abstract

A kind of film dispenser comprises the clamper (8,33/34,68) that the reel (11) of packing (32) is used.Clamper (8,33/34,68) is supported by a supporter (10,23,36,62) that has handle (12,25,38,71).Braking roller (13,24,42,72) engages by supporter (10,23,36,62) supporting and with reel (11) periphery.Bias spring (14,27,43/44,78) with reel (11) and braking roller (13,24,42,72) biasing is pressed to together, sets up braking force thus on reel (11) and limits its rotation, go up skidding and walk around braking roller (13 from reel (11) at packing (32), 24,42,72) impel its stretching the time.

Description

Film dispenser

The present invention system is about packing, particularly about being fit to the article packing equipment with plastic package material or synthetic plastics Strapping Material.

So-called " oriented film "-typically refer to synthetic plastics material, the linear polyethylene of intrinsic such as having " adhesion " characteristic, oriented film has been used for the packing of multiple pattern article: pallet stacking article for example comprise beverage packaging unit such as piece material, glass container, beer and as the large-scale or Heavy Product of analogues such as big news paper roll, craft paper.

Oriented film is bundled into one with article, so that loading and unloading and transportation.Develop a collection of usefulness " stretching-big envelope " and packed the packaging machine of such group of products.

In many cases, may require many products identical or inequality when delivery or sale, be with pallet or be not with pallet ground packaging together, for example, may need several the goods packings of selling are integral in fields such as goods distribution, parts supplies.

So far, be with many goods packings that may be packaged into case, box respectively separately together in this class is used with celluloid strip, band, rope, metal or plastic tape or its similar whipping.This packing method is not only time-consuming but also require great effort, thereby quite expensive.

Background technology:

The machine that has now proposed several forms is suitable for coming connection with wrapping of piece with oriented film.Australian Patent NO 511,642 discloses and a kind of packing film stock layer has been surrounded automatic packaging machine on the goods.In this wrapping machine, the supporting drum rotation of a turntable clamping kinds of goods Jiu Wei And with respect to oriented film arranged.One drg acts on this reel, and producing tension force on the film stock, when it was added on the cargo of rotation, this stock stretched.This designed machine is used for sizable cargo, thereby cost is quite high.

Australian Patent NO 519,456 discloses a kind of technology of using the kindred type wrapping machine, and Australian Patent NO 505,121 disclose another kind of form with a plurality of cargos packing all-in-one-piece equipment.Similarly, US Patent 4,050,221,4,271,657 and 4,432,185 all disclose the stretch wrapping machine of other pattern, are used for that a plurality of packings are bundled into one or with the packaged of Wo 2008091717.

Use these machines and when oriented film held cargo, cargo must be transported to by the machine, load onto machine, clamp in some way or supporting.US Patent NO 4,102, and 513 disclose one adorns the plastic tensile film with roller and hold portable manual distributing box on the row article.

This distributing box has a roll device that the oriented film roller is installed.There are two handles to be connected on the roll device so that make the usefulness of support in use.Bearing set comprises that a Zhi Cheng Zhou And who is fixed on the base plate has and a pair ofly is installed in that axle is gone up so that overhang bracket in relative rotation.Above-mentioned supporting embeds the two ends of plastic tensile film roll, plays the friction braking element of brake action when at least one is supported with work, is limited in the rotation of the oriented film reel on the bolster.

A handle links to each other with the end bearing mechanism of rotation to increase or to reduce the pulling force to reel, changes memberane stress therefrom when packing.Yet this distributing box needs two manual manipulations, and in use needs to be controlled by the operator braking degree of film roll.

The patent NO of EUROPEAN PATENT OFFICE 0 in November 26 nineteen eighty-two, 081,328 disclose the film dispenser of another kind of form, wherein film is walked around a pair of roller, roller is installed to such an extent that can rotate with respect to film roll, the tension force that acts on the film causes that one in two rollers of being pressed presses to the film roll surface, and the engagement system of two rollers is that one of them roller is rotated hurry up than another roller, so as between two rollers the longitudinal stretching film.For ease of moving around the pallet stacking, distributing box is equipped with the base plate of belt wheel.When this distributing box when being portable, it need roll around the pallet stacking on the floor, and for the ease of this motion, the upper end is provided with handle.And then the stretching of film is controlled by the difference of two roller garden circular velocities.In case memberane stress reduces, keep one of two rollers to press to the refined σ of the herding cloth barefoot of film rolling neck rice huller.The motion of  yarn has reduced the stretching between two rollers with coughing stone acupuncture needle hard and infertile arm emperor jasmine border, city.

Therefore, need provide the equipment of an improved connection with wrapping of piece, it can avoid the problem in some above-mentioned packings at least.A kind of plastic sheeting that is suitable for using is provided, and preferably to make the packaging facilities of packing also be desired to linear low-density polyethylene film.

One of target of the present invention provides a kind of portable film dispenser, and it can be with a manual manipulation, and the user can carry out stretch package to one or one group of article.

It is quite simple that another target of the present invention provides a kind of structure, less movable parts arranged and use to be easy to film dispenser.

It also is a target of the present invention that a kind of film dispenser that can control the film stretching degree that is wrapped on the article on demand is provided.

The invention summary:

According to one aspect of the present invention, the device of a distribution package medium is provided, it comprises holding device, with clamping package media Juan Tong And it can be rotated, the brake equipment of package media reel and the bearing set of holding device, this medium is added on the article, can make it skidding from the reel again, above-mentioned brake equipment comprise at least one with the contacted roller means of package media mandrel surface and give above-mentioned reel Jia Li And at least with a coarctate biasing augmenter of roller.

The form an of the best is that holding device comprises and two suitable end journals of the two relative hollow end of plastic medium reel.This holding device then comprises an axle in other form, it can relatively be fixed on the bearing set, the plastic material reel can rotate with respect to it in the case, perhaps by hinged so that rotate with respect to bearing set.

Best circumstance provides one and provides the equipment of stretchable synthetic plastics material package media from reel, comprises and supports that this reel enables holding device in relative rotation; With the bearing set that this holding device links, making this equipment therefrom can be manually, wall-mounted or other kind configuration; And brake equipment comprises the braking roller that is loaded on the bearing set, has at least a reel and braking roller biased and press to another, rotatablely moves so that make braking roller contact reel surface And limit it thus.

Best, bearing set comprises one at least and is connected on this holding device or all-in-one-piece handle with it, in another embodiment, bearing set then comprises and is suitable for being fixed on the wall, on the bench, on the table or other lip-deep base plate.

The braking roller preferably be mounted to the plastic material mandrel surface Xiang Jie Chu And exert pressure between roller and reel with bias spring, to roll braking-force to limit its rotation.Like this, when plastic material during from the reel skidding, the rotation of braking roller restriction reel is elongated so just cause material Zhang Jin And, changes the then degree of its tensioning of scalable and stretching of spring tension.In a certain form, spring system is connected on the cam lever that is installed on the bearing set, and it is movable, increasing or to reduce spring tension, is added on pressure on the plastics reel thereby change by the braking roller.

Device in addition is suitable for being used for changing the attached power of being biased And and keeps this power constant substantially and irrelevant with the diameter of reel.

In a kind of form of the present invention, away from reel and brake equipment place, this equipment is provided with eyelet or leading sheave, and plastic material forms twisted wire or the analogue that is similar to rope from reel by eyelet or leading sheave.And in other form, plastic material makes quite thin material form the belt that is suitable for colligation, fastens article by folding or tie down system.

In most preferred embodiment of the present invention, this equipment has shutoff device, when skidding plastic material in reel, it can be cut off.One of form is that this shutoff device comprises a blade that is installed on the bearing set.Other mode is that cut-out equipment comprises a cutting knife, it can contact with plastic material at contiguous brake equipment place with respect to reel motion And coaxially, in a further embodiment, cutter has a blade, serrated blade is preferably left certain distance along being parallel to mandrel surface Yan Shen And substantially, when plastic material can touch it during skidding on reel.

When using equipment of the present invention, an end that is installed in the plastic tensile packing on the rotatable reel on the holding device spreads on the packed article and keep its stationkeeping when equipment separates with packed article, this motion causes the stretching of plastic material, is wrapped on the article simultaneously.When the tension force in the film reaches when giving fixed minimum value, there are enough application forces to be used for oriented film, overcome brake equipment simultaneously for brake action with film skidding reel.

A kind of linear polyethylene film is complied with the several times that its purposes can be stretched to its original length.Because the intrinsic elasticity of some kind film, the film that has stretched has the trend of recovering its free size or state, has pressure to act on by on the goods of this blister-pack or the article and goods is firmly fixed together thus.

According to additional aspects of the present invention, a kind of film dispenser has been proposed, comprise: housing, housing handle apparatus, the pair of guide rails that the core pipe two ends of supporting to be equipped with bobbins of packaging material are arranged in the housing, reel can rotate with respect to housing, acts on additional bias force device of making its deflection housing the place ahead on the core pipe and one and is installed in the housing rotationally and the contacted braking roller of bobbins of packaging material.

If desired, distributing box can also be designed to wall-mounted, as to have above-mentioned identical characteristics oriented film distributing box.

For the ease of understanding the present invention, only some embodiment is described in conjunction with the accompanying drawings below with way of example.

Description of drawings:

Fig. 1 is the side perspective illustration of first embodiment of the present invention;

Fig. 2 has represented the axle form an of the best;

Fig. 3 is the top view of second embodiment;

Fig. 4 is the top view cutaway view of other embodiment;

Fig. 5 is the transparent view of the other embodiment of explanation the present invention;

Fig. 6 is that top view cuts open in the office of distributing box shown in Fig. 5;

Fig. 7 is the cutaway view along Fig. 6 center line 7-7;

Fig. 8 represents to brake an improvement structure of roller.

The explanation of most preferred embodiment:

Fig. 1 shows a kind of oriented film distributing box that can one-hand control.The device of present embodiment comprises axle 8 (with reference to Fig. 2, will be described afterwards), and it is articulated in and is beneficial on the axle journal of framework 10 rotate.The shape of axle makes it can pass the hollow of oriented film reel 11.

The end away from reel 11 and axle 8 at framework 10 has one handle or handle 12.Distributing box has braking roller 13, preferably has the rubber roller of coarse texture, roller to be contained in that ， And has the spindle nose 16 that can slide on the arm 6 in groove 7.Give roller 13 additional bias forces so that it can keep a basic unmodified braking force on reel 11 by spring 14.When this equipment of use, this braking force is enough to make the film on the reel 11 to obtain the stretching of enough degree.One end of each additional bias spring 14 is connected in the hole 15 of a side of framework 10, and the other end then is connected on the spindle nose 16 of braking roller 13.As another kind of mode, also available compression spring device guarantees to brake roller and acts on bias force required on the oriented film reel.More desirably be in various embodiment of the present invention, to have to be suitable for to make spring controlled control apparatus, for example use one group of hole 15.

With reference to figure 2, it represents the axle 8 of a telescoping structure, holds an interior element 18 in staving 17, and it has a diameter to equal the head of staving 17 diameters.In the staving 17, the other end at head 19 has a compression spring (not shown) to make it to enter in the socket that matches with it on the framework 10 in order to plug 20 is produced subsidiary load, a pallet or banking pin 21 are arranged in the groove 22 of staving 17, run out of staving 17 in order to element 18 in stoping.During use,, pull the plug out of the socket 20 in the socket on framework 10, just can very simply axle 8 be moved on framework 10 as long as relatively move staving 17 and interior element 18.Another kind method is, engage receptacle and plug portion in handle 12 is comprising, removable lower handle and near axle 8.

Fig. 3 be the present invention in addition emperor's stool ├  mu Na oil stain cheat alarm stool ├  school Huan triangular bream make a noise curtain it can be to be similar to axle shown in Figure 2, also can be to be fixed on the framework 23, pass the hollow core of the reel 11 of oriented film 24.Framework 23 has handle or handle 25, and distributing box has the braking roller 26 that additional bias force is provided.Braking roller 26 is by steel wire rack 35 supportings, and this steel wire rack then is fixed on the framework 23 by a pair of eyelet 28, and the torsion spring 27 of making one with framework 35 is used for braking roller 26 is applied bias force.

With reference to Fig. 4, another embodiment shown in it is a kind of manual distributor 31 of being provided plastic sheeting by the reel on ground paper or other material fuse 30 32.30 in fuse be bearing in respectively with framework side element 36 and 37 all-in-one-piece plug ferrule 33 and 34 on, framework side element 36 has all-in-one-piece handle 38 with it, and handle extends generally along the coaxial direction of sleeve pipe 33 and 34.Free end at handle 38 has a bag of amplifying 39, in the socket 41 that buckle is made on side element 37 and be fixed together with framework component.

Roller 42, the roller of neoprene or its analogue preferably is contained in and makes it on the spring 43 and 44 to contact with the surface of film roll 32.Spring 43 and 44 is separately fixed on the tension regulating element 46 and 47 that is positioned within framework side element 36 and 37.Each regulating element has cam follower 48,49, can embed a groove seat of the many groove seats 51 on the sidewall that is arranged in the groove 52 on each framework side element 36 and 37.

On framework side element 36 cutting blade 53 is arranged, it is Dinged And by backplate 54 Gu and is protecting blade 53, and backplate allows film to touch blade 53, and can also prevent user's misconnection contact knife sheet accidentally simultaneously.

Be some purposes, the film of plastic material can be made for different shapes such as band, cable or line, for this purpose, be provided with on the distributing box 31 by wire rack 57 or eyelet 56 that its analogue supported, so that eyelet is away from roller 42.When plastic sheeting when the eyelet 56, the contraction of eyelet together with the tension force that is added on film with and intrinsic " adhesion " characteristic, make film be strained to the fine rule shape of very big intensity.

Referring to Fig. 5,6,7 and 8, the distributing box of this embodiment also comprises by the molded housing that forms 62 of synthetic plastics, and it has one around axis 66 hinged front portion 63 and rear portion 64.As shown in Figure 5, clip 67 with two partial fixings of housing at its control position.

The housing both sides are provided with a pair of guide rail 68 that can hold film roll core or core pipe 69, make it can allow membraneous material reel 11 to rotate and can move along guide rail 68 again.

There is the handle 71 of the one made at housing rear portion 64, housing anterior 63 then is equipped with a braking roller 72, braking roller 72 comprises that is installed in a bearing pin 73 of anterior 63,74, one of bearing sleeves that are loaded on the two ends of bearing pin 73 are rotatably installed in the PVC roller 76 that is similar to rigidity on the frame bearing sleeve tube 74.

A pair of bias spring 78 be contained in the coaxial axle journal 79 of bearing pin 66 on.One end 81 of bias spring 78 is by the bar in the housing rear portion 64 82 supporting, and 83 of the other ends are pressed on the core pipe 69 that guide rail 68 supported.78 pairs of core pipes 69 of bias spring apply the biasing subsidiary load, make reel 11 press to braking roller 72.During use, from the membraneous material of reel 11 from reel 11 engage with braking roller 72 in the roll gap that is generated by and the oriented film material is wrapped on packaged single-piece or the article in groups.Be stretched in the time of making film bag article by the braking force that applies of braking roller 72, its level of stretch depends on the rotation degree of flexibility of additional bias force and braking roller 72, because oriented film is by the roll gap of two rollers, material is strained all the time securely at reel 11 Shang And can keep a unmodified tension force when packing.

With reference to Fig. 8, biasing roller 72 has a built in type coupling mechanism, changes the rotation degree of flexibility of braking roller 72 in order to regulate in the use.Structure described in Fig. 8 comprises the adaptive a pair of flange 86 and 87 that engages in both ends with braking roller 72.Flange 86 with 87 by spring 88 and screw rod 89 tension that is being connected handle 91.Rely on the screw thread motion of handle 91 and screw rod 89, the axial location of scalable screw rod 89, change the tension force in the spring 88, changed flange 86 and 87 therefrom and acted on the pressure at braking roller two ends, rotate flexibility ratio thereby change it.

Claims (19)

1. the distributing box of a dispensing package medium on reel comprises: holding device, and a And can rotate it in order to clamping package media volume tube; Act on the brake equipment of this reel and the bearing set of holding device, can make package media skidding on this reel, described brake equipment comprises one at least with the contacted roller means of package media mandrel surface with execute additional bias force and make a described roller means and the coarctate bias unit of described reel.

2. one kind according to the described distributing box of claim 1, and wherein said holding device comprises a rotating axle that is installed on the bearing set.

3. one kind according to the described distributing box of claim 1, and wherein said holding device comprises opposed end journal, and And and the rotatable twelve Earthly Branches two ends in the package media reel core are gone in embedding.

4. one kind according to the described distributing box of any one claim in the claim 1 to 3, and wherein said bearing set has basic edge to be parallel to the handle that described spool axis is extended.

5. one kind according to the dispenser device described in aforementioned arbitrary claim, wherein said roller means comprises the cylindrical roller that is contained on the bearing set, and described bias unit comprises one or several spring, acts on reel or the braking roller and roller is contacted with the periphery of reel.

6. one kind according to the described distributing box of claim 5, wherein when package media on reel, during skidding, be after by the roll gap between roller and reel, to walk around the braking roller again.

7. one kind according to the described distributing box of aforementioned arbitrary claim, wherein roller means comprise one controlling braking force on the brake equipment, make the all-in-one-piece connecting device.

8. one kind according to the described distributing box of claim 7, and wherein said connecting device can be regulated.

9. one kind according to the described distributing box of aforementioned any one claim, and wherein roller means is installed on the both arms that bearing set stretches out, and groove is arranged on the arm, can slide along groove in the two ends of roller means; Bias unit has a pair of from bearing set extension and above-mentioned roller two ends bonded assembly spring.

10. one kind according to the described distributing box of above-mentioned any one claim, and wherein said bearing set comprises a housing and holding device is included in the guide rail that forms in the housing.

11. one kind according to the distributing box described in the claim 10, wherein said braking roller means is installed in rotation on that the package media reel then is installed on the core pipe in the housing, and guide rail is being supported the core pipe rotationally.

12. one kind according to the described distributing box of claim 11, wherein said bias unit comprises a pair of both-end spring element, and wherein one end of the other end and core pipe joins the reel biasing is pressed to braking roller direction an end by the housing support.

13. one kind according to the described distributing box of any one claim in the claim 10 to 12, its middle shell system is by together mutually hinged; And movable two parts between its opening and closing position constitute, can be near the package media reel during open position.

14. one kind according to the described distributing box of aforementioned any one claim, wherein bias unit is adjustable.

15. a film dispenser comprises housing, the housing handle apparatus, and a pair of relative guide rail is in order to support to install the core pipe two ends of bobbins of packaging material in the housing, and reel can rotate with respect to housing; Have bias unit to act on the core pipe to be pressed to housing the place ahead, a braking roller is installed in rotation on Ke Ti Zhong And and engages with bobbins of packaging material.

16. one kind according to the described distributing box of claim 15, and the one of being made for is arranged in the wherein said braking roller, adjustable, is used for limiting the connector apparatus that this roller rotates.

17. one kind according to the described distributing box of claim 16, connector apparatus wherein has an end flange that connects with the friction of braking roller one end at least and this flange is offset the bias unit of pressing to this end.

18. one kind according to the described distributing box of claim 17, wherein has the two ends of a pair of flange and above-mentioned braking roller to link.

19. one kind according to the described distributing box of claim 1, wherein package media is the stretching synthetic plastic film.

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