CN102700765A

CN102700765A - Folding device

Info

Publication number: CN102700765A
Application number: CN201110319049XA
Authority: CN
Inventors: 本诺·林登凯普
Original assignee: Krones AG
Current assignee: Krones AG
Priority date: 2010-10-22
Filing date: 2011-10-18
Publication date: 2012-10-03
Anticipated expiration: 2031-10-18
Also published as: EP2444323A1; EP2444323B1; CN102700765B; DE102010049124A1

Abstract

The invention relates to a folding device which is used for flanging connecting plates of packagings of articles (20) upwardly. The folding device (10) has at least one conveyor chain (3, 3') and at least one folding element (1, 11) which can be disposed on the conveyor chain (3, 3') in a manner of pivoting movement and is guided by the conveyor chain, and a coupling device (12, 13) which is disposed between the folding element (1, 11) and the conveyor chain (3, 3'), and is used for pivoting the intermediate folding elements in accordance with change of direction or deflection of conveyor chains. The coupling device is provided with deflector for lifting of articles from conveyor plane. The folding device can prevent objects especially bottles falling down from being clamped and prevent following failures due to the clamping.

Description

Folding apparatus

Technical field

The present invention relates to a kind ofly be used for the fishplate bar of the external packing that the is used for article folding apparatus of turnover upwards according to claim 1 preamble characteristic is described.

Background technology

In packaging industry, usually most identical product mixes are got up and be packaged in the carton, be arranged in the pellet type equipment or like that.For this reason, use the corresponding cardboard blanking blank of batch manufacturing in advance.Product is for example put together with the mode of expectation, on cardboard blanking blank, locate, and subsequently with the folding and set around product of cardboard blanking blank, method for example is: it is bonding or like that pieces of paperboard is overlapped ground mutually.

For the lower connecting plate of the fwd of pallet and back is upwards folding, for example US 4642967A disclose be arranged in jointly around conveyer chain on maintenance refer to and fold finger.

In addition, US 3555776 shows a kind of being used for around the machine of one group of article structure pallet.Said machine equipment be useful on preceding cardboard fishplate bar upwards turnover leading folding finger and be used for the back cardboard fishplate bar follow-up folding finger of turnover upwards, said folding finger be arranged in around conveyer chain on.

Normally, by the said equipment bottle is put together in carton or on the equipment of similar pallet.Following problem may occur in this case, that is,, and then on belt conveyor, carry individually for example owing to disappearance or wrong cardboard blanking blank etc. fall down single bottle.Said folding finger passes transmission plane by the below, and after folding process, disappears in below the transmission plane again.The bottle of single overturning possibly be clipped in folding finger and folding finger is arranged between the conveyer chain above that, and causes the extensive damage on the machine like this.

Folding 1 folding device and the described problem of referring to that have by prior art is known illustrated in Fig. 1 to Fig. 3.

Folding finger 1 is arranged in conveyor surface two runnings adjacent one another are, that be configured for cardboard blanking blank with connecting device 2 (with reference to Fig. 1) and locatees the

conveyer chain

3,3 of bottle 20 above that ^*Between, and only anchor at two

conveyer chains

3,3 ^*In one on.Second conveyer chain 3 ^*Motion can be irrelevant with the motion of first conveyer chain 3.Especially, second conveyer chain is not connected with the coupling mechanism of first conveyer chain 3.

At

conveyer chain

3,3 ^*On be furnished with flat cardboard (so-called pad) or have around the flat cardboard (so-called charging tray) on limit, on said cardboard, also be equipped with bottle 20.Bottle 20 the diameter D that interval width W comparability between the chain 3 of two runnings adjacent one another are is carried on cardboard is littler, thereby makes and fall and fall conveyer chain to 3,3 from cardboard ^*On bottle 20 can partly be retained in two

conveyer chains

3,3 ^*Go up and/or between (Fig. 2).Then, said bottle 20 is carried until folding and

bonding section

3,3 together ^*The end.

At

chain

3,3 ^*The end, folding 1 pivot (Fig. 3) forward that refer to.Thin especially or bottleneck 22 is towards folding when referring to 1 when bottle 20, so foldingly refers to that 1 can be pressed onto on the bottle 20.In this case, the adjacent members that bottle 20 is pressed towards folding apparatus (output transition piece), and stop and refer to 1 motion, and then also stop

chain

3,3 ^*Motion.

This especially causes following damage: adjacent member, especially export the transition piece bending.In addition, refer to that 1 coupling mechanism 2 can transship equally and crooked.The chain-drive CD-ROM drive motor can transship and report fault.

All three kinds of situations need the machine operator to get involved.The physical damage that has caused meaning machine down before preceding two kinds of situation is because must change the element that damages.Also must there be corresponding refill-unit and professional for this reason, or carry out expensive purchasing procedure.In addition, when said the damage, lacked manufacturer's adjustment of transition piece, this causes consequent malfunction aperiodically, and bottle also can fall down in said fault.

Summary of the invention

Task of the present invention is that the article that prevention is fallen down are blocking and consequent consequent malfunction of bottle especially.

Task of the present invention solves through the folding apparatus that comprises the characteristic in the claim 1.Other favourable design plan is described through dependent claims.

The present invention relates to a kind of be used to the make external packing that is used for article, the folding apparatus that is particularly useful for making the cardboard external packing that centers on container, bottle or the analogue of putting together.Such folding apparatus comprises at least one conveyer chain, preferably at least one conveyer chain is right, is used to carry external packing, for example carries cardboard blanking blank or analogue and layout article in groups above that.

For the upwards turnover of opposite side with external packing, said folding apparatus comprises the folding finger of folding finger of each at least one fwd and back in addition.Folding finger like this through connecting device for example pitman by at least one guiding in the right conveyer chain of conveyer chain.Said connecting device causes said folding finger to remain on desired (vertical) orientation in the beginning of folding and bonding process with between finishing.The folding pitman that refers to of fwd (deviating from external packing ground) is positioned at before the folding finger of fwd.The pitman of the folding finger of back (deviating from external packing ground) is positioned at after the folding finger of back, thereby makes said pitman never collide with external packing to be folded.

Based on the present invention, said coupling arrangement is constructed as follows, that is, said coupling arrangement at least in part folding refer to the opposed side of bundle to be folded on stretch out from transmitting the plane.Especially, be connected to the upwards expansion of connecting device of finger.Form guide thus, said guide can for example be configured to protruding rake

said guide/protruding rake below touch the article that are positioned on the conveyer chain and with its lifting that makes progress.According to preferred embodiment, the protruding rake that is used for dividing a word with a hyphen at the end of a line forward is installed in the folding pitman that refers to of fwd, and the protruding rake that is used for dividing a word with a hyphen at the end of a line backward is installed in the pitman of the folding finger of back.The protruding in other words rake of guide preferably designs with following mode, that is, make and not only to admit bottle, container or other article, also admits all types of objects, foreign matter, cardboard residual etc.This possibly for example also be should be contained in packing but since fault and with the packing data carrier or the analogue that separate.For stop such object for example data carrier (for example CD-ROM) fall in the transmission plane and block at this place or possibly cause other fault, guide is provided with the lifting portion that transmits the plane that exceeds.

Preferably, said protruding rake constitutes acute angle with the transmission plane.Thus, Individual Items are like the bottle lifting and can getting away to the side at least in part of for example overturning.So, be used for just not had obstacle on the folding track that refers to.

If said article the place, end that transmits the plane still be positioned at around one or more conveyer chains on; So said article are with following degree lifting; Promptly; Said article said article no longer can be clipped between folding finger and the adjacent members (output transition piece), because must be compared higher that folding finger is got at by the protruding rake lifting of connecting device.The situation of damaging by pressure is got rid of thus.

According to as alternative embodiment, employed folding finger can self have protruding rake and be configured to guide.At this, can realize equally according to advantage of the present invention, especially in other words bottle or the prevention that crushes of other object or foreign matter to the article that fall down.

Can be used as alternative embodiment according to other, transmit relatively protruding rake that the plane constitutes acute angle anchor at independently around the finger chain on.

The folding apparatus that has protruding rake can be applicable in all external packing folders, especially is applied in the cardboard folding machine that has the folding finger that drives by pitman.Said equipment also comprises coupling mechanism, and the pitman of said coupling mechanism does not anchor at and carries at least one chain that refers to, but for example through the plunger member guiding.

According to other embodiment, said folding apparatus anchor at around conveyer chain on.Replace second around conveyer chain ground, be provided with static member, for example induction element such as base plate or guide rail etc., said external packing guides along said guiding piece on said induction element.

Description of drawings

Below, should further explain embodiments of the invention and advantage thereof by accompanying drawing.Each element dimension scale relation does not relative to each other always meet real dimension scale relation among the figure, because simplified some shapes, and other shapes illustrate with respect to other element in order to illustrate better with amplifying.

Fig. 1 to Fig. 3 illustrates based on the folding finger of known prior art and the folding arrangement that refers on the connecting device on the conveyer chain.

Fig. 4 to Fig. 6 illustrates the arrangement of folding device according to the present invention on conveyer chain.

The specific embodiment

Use corresponding to Reference numeral for element identical or that play same function of the present invention.In addition, for the purpose of clear, in each figure, only illustrate introducing the required Reference numeral of corresponding figure.Illustrated embodiment only is according to equipment of the present invention or design-calculated example how according to the method for the invention, is not the osed top restriction.

Fig. 4 illustrates according to folding device 10 of the present invention; This folding device is used for being applied in folding cardboard equipment (not shown), is particularly useful for the upwards turnover of the preceding cardboard fishplate bar of on throughput direction TR, seeing of the carton external packing, so-called charging tray or other analogue.Folding device 10 refers to that by folding 11 constitute, and said folding finger is arranged on the connecting device 12.Connecting device 12 is also referred to as pitman 13 and drives to connect and refers to 11.According to the present invention, connecting device 12 makes progress and on the throughput direction TR of chain 3, enlarges.Thus, form protruding rake A wedge in other words.Said protruding rake A is touched by the below and is positioned at

conveyer chain

3,3 ^*On bottle 20 (not shown) referring to Fig. 5 and Fig. 6, and the said bottle of lifting.

Fig. 5 shows and is positioned at

conveyer chain

3,3 ^*Between bottle 20 by the liftings of the connecting device 12 that makes up according to the present invention, and Fig. 6 illustrates when folding and refers to that 11 slip into

conveyer chain

3,3 again ^*When below is at

conveyer chain

3,3 ^*The situation of end.

Bottle 20 only also has sub-fraction to be positioned at

conveyer chain

3,3 ^*Between, and in the

end

3,3 of chain ^*Be on the side direction from

chain

3,3 ^*Tumbled.If should bottle 20 not tumbled, it still can not refer to that 11 press to the adjacent member at output transition piece place from the top down by folding so, because bottle 20 liftings must be compared higher that finger 11 upwards gets at.Got rid of thus like the situation of damaging by pressure (referring to figs. 1 through Fig. 3) in the known prior art.

The present invention introduces with reference to preferred embodiment ground.But what it is contemplated that to those skilled in the art is, can make amendment or changes the present invention, and not break away from the protection domain of following claim at this.

Reference numerals list

1 folding the finger

2 connecting devices/connecting device

3,3 ^*Conveyer chain

10 folding devices

11 folding fingers

12 connecting devices

13 pitmans

20 bottles

22 bottlenecks

The protruding rake of A

The D diameter

The TR throughput direction

The W width.

Claims

1. one kind is used for the fishplate bar of the external packing that is used for article (20) folding apparatus of turnover upwards, and said folding apparatus comprises at least one conveyer chain (3,3 ^*) and at least one be installed in said conveyer chain (3,3 with mode that can pivoting action ^*) on and by the folding finger (1,11) of said conveyer chain guiding and be positioned at folding (1,11) and the conveyer chain (3,3 of referring to ^*) between be used for and said conveyer chain (3,3 ^*) direction change and/or pivot the relatively connecting device (12,13) of said folding finger (1,11) of deflection, it is characterized in that said folding apparatus has and is used for object from transmitting the guide that the plane lifting goes out.

2. folding apparatus according to claim 1, wherein, said guide is configured to article and/or object are gone out from said transmission plane lifting.

3. folding apparatus according to claim 1 and 2, wherein, said guide is configured to protruding rake (A), and said protruding rake goes out article and/or object from said transmission plane lifting.

4. according to any described folding apparatus in the claim 1 to 3, wherein, the said in other words protruding rake of said guide (A) is attached troops to a unit in said folding finger (1,11) and/or said connecting device (12,13).

5. according to any described folding apparatus in the claim 1 to 4, wherein, the said in other words protruding rake of said guide (A) is arranged in the zone of said connecting device (12,13), and is independent of said connecting device.

6. folding apparatus according to claim 5, wherein, the situation lower edge throughput direction of said protruding rake (A) folding finger (1,11) in front is arranged in said connecting device (12,13) before.

7. folding apparatus according to claim 5, wherein, said protruding rake (A) is after the situation lower edge throughput direction of the folding finger of back is arranged in said connecting device.

8. according to any described folding apparatus in the claim 1 to 7, wherein, the vertically structure of the said relatively transporting flat of said protruding rake (A) with acutangulating.

9. according to any described folding apparatus in the claim 1 to 8, wherein, said article (20) can surpass said folding finger (1,11) by the said in other words protruding rake of said guide (A) lifting.

10. according to any described folding apparatus in the claim 6 to 9, wherein, said folding finger (1,11) and said connecting device (12) form the unit.