CN104428226A

CN104428226A - Method and device for opening printed products

Info

Publication number: CN104428226A
Application number: CN201280074371.3A
Authority: CN
Inventors: M.拉姆塞尔
Original assignee: Ferag AG
Current assignee: Ferag AG
Priority date: 2012-04-30
Filing date: 2012-09-07
Publication date: 2015-03-18
Anticipated expiration: 2032-09-07
Also published as: CN104428226B; IN2014KN02392A; EP2844594A1; WO2013163768A1; WO2013163770A1; CN104395213A; BR112014026690A2; CH706457A1; ZA201407783B; IN2014KN02309A; BR112014026865A2; EP2844593B1; EP2844593A1; ZA201408608B

Abstract

The invention relates to a method and a device for inserting a flat object (16) into a planar product (4) that includes two product parts (10, 10b) connected to one another at a connecting edge (11). The planar product (4) is introduced, by its connecting edge (11), into the pocket (1) of an opening device, said pocket (1) having two opposite pocket sides (2, 3). A first product part (10a) is retained on a first pocket side (2) by means of a retaining mechanism (8), and the second product part (10b) is moved towards the second pocket side (3) so that the product (4) is opened.

Description

For opening method and the device of print product

Technical field

The present invention relates to the field of process further and transmission print product.The present invention relates to for opening the flat products with at least two product sections, the method being particularly useful for opening print product and device, described at least two product sections are connected to via connection edge and go up each other.

Background technology

These class methods and device are especially used so that the major product insertion of any and unlimited supplementary issue (such as, as advertisement supplementary issue) such as being folded and open is as in newspaper or magazine.

In order to flat object is inserted concrete folded products two product sections between, open and insertion apparatus it is known that the product (specifically print product) of the processing equipment from such as rotary printing machines is passed to, to keep wherein and to open described product, flat object is introduced and removes the final products formed thus, and it is transmitted further.

Therefore, for this purpose, it is known for opening with insertion apparatus, under any circumstance all comprises the circulating system with multiple bag or compartment, described bag or compartment move along circulation path (especially, around the circular loop path of at least one rotation axis).

Such as, bag is arranged on rigid rotating body (such as, delivery wheel).For the periphery that to see off be arranged in rotating body of print product with the object be inserted into.There is connection edge in front portion (namely, the product section of product is connected to the folded edge gone up each other in front portion) print product introduce in bag, and be opened and stayed open by device for opening, so that flat object can be introduced in the product opened.

Compartment is all limited by partition wall in either case.Such as, this device is described in EP2297014B1.

Method step most important and also the meticulousst may be opened product before insertion object.On the one hand, opening and staying open of product should realize in quick and failure-free mode, and but then, the product with this program should as far as possible lightly process, so that described product can not be impaired.

This open with the reliable operation of insertion apparatus therefore first and most significantly depend on the program of opening.The different device opened and stay open for folded products is known from prior art with the method be associated.

Therefore, DE69026238T2 describes that a kind of described folding print product includes two product sections for opening and insert supplement to the method in folding print product and device, its by folded edge be connected to each other.Print product for this inserts in the bag of the bag forwarder opened to bottom from below in the folding mode being in front portion.Bag comprises fixture, and by this fixture, the overlapping portion of the anterior product section of the print product opened to bottom is firmly held on front bag side.Bag boots up along arcuate guides.Utilize this program, rear product section is positioned at because gravity is pivoted to downwards on relative bag side, so that print product is opened, and supplement can be inserted into.

EP0911289B2 describes a kind of method equally and opens and insertion apparatus, and wherein bag is used for supplement to insert in folding print product, and described print product includes and is connected to by folded edge two product sections gone up each other.For this reason, print product inserts in the bag of this insertion apparatus in folding fore mode equally.Bag comprises fixture equally, and by this fixture, the overlapping portion of a product section is firmly held on bag side.Here, print product open also by other products part pivotable leave relative bag portion assign to realize, described pivotable is left and is caused by gravity.The pivotable of the second product section is left and is pivoted to obliquity to realize relative to vertical axis by whole bag.

According to WO1998/033656A1 open with the print product in the bag of insertion apparatus open with comparability compared with mode realize.In the literature, also illustrate for supplement being inserted the method in folding print product and having opening and insertion apparatus of bag, folding print product includes and is connected to by folded edge two product sections gone up each other.Print product for this inserts in the bag of this insertion apparatus in folding fore mode equally.Bag includes fixture equally, and by fixture, the overlapping portion of a product section is firmly held on bag side.The opening to be left by the pivotable of another product section of print product is positioned at relative bag side (this is caused by gravity) and realizes.Here, the pivotable of the second product section is left by making whole bag be pivoted to obliquity to realize relative to vertical axis.

EP2297014B1 describes and a kind ofly enters device in folding print product for opening and insert flat object.Device comprises the circulating system with multiple compartment, and compartment can move along the closed ring circulation path around rotation axis.Compartment comprises compartment base, and it is defined along loop direction by compartment walls.In addition, compartment circumferentially comprises the opening for introducing print product.Compartment includes fixture, and by fixture, the overlapping portion of rear product section is firmly held in rear compartment walls.Compartment guides downwards along arc path, and that Open Side Down is mobile for the compartment wherein on periphery.Utilize this program, rear product section is pivoted to downwards in relative compartment walls due to gravity, so that the product of printing is opened, and supplement can be inserted into.

EP1090867B1 describes a kind of for supplement being inserted the method in folding print product and having opening and insertion apparatus of bag equally, and described print product includes and is connected to by folded edge two product sections gone up each other.Print product for this inserts in the bag of this insertion apparatus in folding fore mode equally.Now, bag includes hook element, and it can pivotable, is attached on the first bag side, and by described hook element, the first product section is firmly held on the first bag side.In addition, bag comprises gripper hook, and it is attached on the second bag side, and by this gripper hook, the overlapping portion of the second product section remains on the second bag side.Hook element and gripper hook are designed so that now, and when being pivoted in bag, the overlapping portion at gripper hook rear is shifted onto in clip position by hook element.

US4477067A describes a kind of for supplement being inserted the method in folding print product and having opening and insertion apparatus of bag, and this print product includes two product sections, and two product sections are connected to by folded edge and go up each other.For this reason, print product is directed in the bag of insertion apparatus in folding fore mode.Now, bag includes hook element, and it can be pivoted in bag, and by this hook element, the overlapping portion of the first product section is firmly held on the first bag side.Therefore, overlapping portion can be brought into clip position by means of rotating brush and suction nozzle.In addition, bag comprises the second bag side, and it slopes to the first bag side, and is kept just tilting to this side in overlapping portion once print product by fixture.Print product is opened by the inclination of the second bag side due to the support of gravity.

EP0475192B1 describes again has opening and insertion apparatus of bag, and it transmits along closed circulation path, and for receiving print product.Bag includes the abutting part to base, and it is by adjusting mechanism adjustable height.The height adjustable abutting part of adjustment is utilized to be used for the automatic adaptation of bag to the change height of print product.In other words, be not used in the height adjustment of the abutting part of base and open print product.

WO2009/043358A1 describes a kind of for supplement is inserted opening and insertion apparatus in folding print product.The product of printing comprises two product half portion, and wherein the first product half portion comprises overlapping portion.Open and comprise delivery wheel with insertion apparatus, it has the rotation axis of on even keel aligning and multiple bag radially opened, and bag is arranged along the periphery of delivery wheel, and for receiving print product.

In addition, open to comprise with insertion apparatus for by folding print product to delivering to first in bag to seeing off.Print product is introduced in bag towards bag base in the mode of its folded edge in front portion.

In addition, open also to comprise with insertion apparatus for two product half portion are pushed away separately open layout.In addition, open and second in space that insertion apparatus comprises for being inserted by supplement between product half portion to seeing off.

Open layout and comprise movable push rod, it translationally can be shifted relative to the edge of two product half portion.Push rod comprises wedge-shaped element, and it is arranged to a certain distance from bag base, so that the edge of product section is pushed away from by the motion of translation of push rod separately.

For opening product and being for the shortcoming that the conventional equipment that inserts supplement and the method that is associated have, their relative complex and be therefore easy to damage or et out of order.In addition, complicated machinery and complicated control technology improve the manufacturing cost of this device.

In addition, the more simple mechanism from prior art can not run with reliable fashion again then, and is therefore easy to damage.

Summary of the invention

Therefore, the object of the present invention is to provide a kind of method and device of the type originally mentioned, its conception is simple, and easily implements in control technology.Therefore, device should manufacture comparatively cheap and safeguard simple.

This object is realized by the feature of independent claims 1 and 13.Other Advantageous developments scheme of the present invention and embodiment will draw from dependent claims, specification sheets and accompanying drawing.Therefore, about contextual claim to a method feature can with device claim combinations, and vice versa.

Flat products includes at least two product sections, and it is connected in connection edge and goes up each other.Hereinafter, described product section is called as the first product section and the second product section.The first product section in bag is arranged along direction of transfer with formula in the wings, and the second product section is to arrange in previous mode, that is to say, runs in front portion.Product section preferably designs with flexi mode.Product section can be individual or multiple.

Such as, connect edge and can be folded edge or creased edges.This means that product section or multiple product sections are connected to via folded edge or creased edges to go up each other.

Connect edge can be designed to binding unit or order conjunction portion.This means that independently product section or multiple product sections are via binding unit or order conjunction portion and be connected to and go up each other.Such as, bookbinding can be bonding bookbinding or ring bookbinding.Such as, order conjunction can be line order conjunction or cable order conjunction.Equally it is conceivable that going out other bookbinding or ordering conjunction method.

The folded edge of multiple piece print product (such as, e.g., newspaper) also can form spine.

Flat products also can comprise many folding parts fraction product, and it inserts each other, such as, and newspaper folding part or spine.Segment bounds product can comprise some product sections equally, is connected to particular by connection edge two product sections gone up each other.

Specifically, flat products can be print product, as envelope, booklet, newspaper, magazine or periodical.

First product section of flat products preferably includes so-called overlapping portion.Overlapping portion corresponds to product section section, and it comprises free edge, and it is projected into outside other free edge of another product section in the closure state of concrete folded products.Overlapping portion is preferably located in the first product section.

Such as, overlapping portion causes because the non-centering of product is folding.Overlapping portion is used for the comparatively simple process of product, specifically for opening product in further processing.The final cutting of the print product that overlapping portion can utilize is excised.Product not necessarily needs to have overlapping portion.

Such as, the flat object be inserted into can be another print product, e.g., and the product of preparation or additional product, newspaper section, advertisement supplement, card, booklet or leaflet.Flat object also can be the product having and connect edge, specifically folding product.In addition, object also can be good sample or data medium.Flat object can with flexible or flexible patten's design.

In order to perform according to method of the present invention, have the fore flat products that it connects edge and be introduced in the bag of device, described bag is used for opening flat products.As a result, connect edge directed towards bag base, or against thereon.Bag outward opening points to.

Bag comprises two bag sides respect to one another.After first, product section is kept by holding device, securely for opening product.First product section is specifically firmly held on the first bag side.The first product section for this preferably remains on opening side place, specifically in the region of its free edge, that is, on overlapping portion.Therefore, product remains on side place.

To be caused by the movement of the part of bag or bag and then tensile force independent of gravity is applied in the second free product section in front.The movement mentioned of bag preferably additionally and occur along the movement of drive access relative to bag.

Second product section moves towards the second bag side in the middle of the opening at least partly of product due to this tensile force.

Specifically act in the second product section in no touch mode according to the tensile force that the present invention produces.No touch means particularly does not have mechanical element directly to act in the second product section.On the contrary, tensile force acts in the second product section indirectly.

Program of opening realizes in the opened areas of arranging along drive access.Device as described below preferably includes for being applied to by tensile force the second product section opens device.Second product section is arranged in bag in the mode that preferably can move freely (that is, non-maintenance).

Therefore comprise at least one bag for performing according to the device be associated of method of the present invention, it has bag opening and two bag sides, bag side with to be spaced apart from each other and for receiving product.Bag side is arranged one by one relative to direction of transfer.

Specifically in a broad sense, the compartment with compartment walls for receiving product is also included within term " bag ".Compartment side corresponds to bag side.

Bag side forms supporting zone, specifically for the stayed surface of product section.Bag side or supporting zone such as can be designed to wall.Such as, wall can be designed to the hinge wall with some wall portions.But Support such as also can be strip supporting member or pillar stiffener.

Described bag preferably cooperates with abutment element being positioned at the side place relative with bag opening, and abutment element limits product inserts the depth of penetration in bag.This abutment element such as can be designed to bag base.Bag base can be connected in the one in two bag sides.Two bag sides also can be connected to and go up each other by bag base.Such as, but abutment element also can be designed independent of bag, as the sub-component of static or common movement.

But device comprises the holding device for the first rear product section being firmly held on the first bag side.In addition, device comprises opens device, its for product at least partly and in the middle of preferably opening completely, second (preferred non-maintenance) front product section is moved to the second bag side.

In addition, the method specifically also comprises and being inserted in the product opened by object.Device for this preferably also comprises for object being inserted the insertion apparatus in the product opened along opening in the insert district in the downstream in district of direction of transfer being arranged in.

This device preferably also comprises conveyer, sees in the transmission direction, and at least one bag is directed across along closed circulation path and opens district by conveyer, and optionally can be through insert district and through delivery area.

Device specifically preferably includes multiple bag, and it moves along closed circulation path one by one.

Conveyer such as can comprise apparatus for rotating, the rotating body that specifically can rotate around rotation axis, such as, e.g., and delivery wheel or wire wheel.Here, bag is circumferentially arranged, wherein bag opening is radially towards outward.The closed drive access of bag such as can be circular.

According to another concrete development program of the present invention, the second product section is by moving with bag tomorrow second side that superposes of gravity at the central tensile force of opening of product.The method and device can be designed to product is partly opened by tensile force, and are opened completely by the superposition of gravity.

Such as produce by the modification of one or more embodiment described subsequently with the tensile force of gravitational independent.

According to about the first embodiment variant opening product according to method according to the present invention, the first bag side of the first product section is kept to comprise the first lateral areas section (the lateral areas section of opening side) at opening side place, and the second lateral areas section located inside bag (the lateral areas section inside bag).Now, two lateral areas sections can relative to each other move, and make the relative movement of two lateral areas sections achieve the first product section towards the second bag side archwise.

In the middle of the opening at least partly of product, the second product section due to the first product section to be pressed towards the second product section archwise towards band second product side from.

In order to open product, the first lateral areas section in relative movement preferably moves apart the second bag side.Relative movement means that the first lateral areas section and/or the second bag section are moved by the second intersegmental ground connection in lateral areas.

Thus, first product section with its opening side free edge is bending leaves the second product section.Utilize this program, result, the opening side free edge of two product sections moves apart, and be spaced apart from each other.Insertion opening for flat object produces between free edge.

Wherein the first lateral areas section displacement point of moving in mode mentioned above or shift relative to the second lateral areas section or displacement district be preferably placed in the first bag side towards in the half of bag aperture arrangement, and 1/3rd places being positioned at outside towards bag aperture arrangement specifically in bag side.

The device be associated for this comprises at least one bag, and its first bag side comprises the second lateral areas section inside the first lateral areas section of opening side and bag.Now, two lateral areas sections can be relative to each other shifted by movable and deformable region, so that the first lateral areas section can move apart the second bag with relative movement, for opening product.

The first bag side for this can be designed with single part or many parts mode, and wherein two bag sections all form independent component.

According to embodiment variant mentioned above first further develops scheme, the patten's design that two lateral areas Duan Yike are pivoted relative to each other.Now, the first lateral areas section for opening product preferably can leave open the second bag side at relative movement maincenter.

Device according to another development program comprises bag, and two lateral areas section can be pivoted relative to each other, so that the first lateral areas section can leave open the second bag side, for opening product at relative movement maincenter.

Two lateral areas sections are connected to by joint connection or flexible joint and go up each other.Flexible joint specifically allows that the first lateral areas section is bending relative to the second lateral areas section to be left.Flexible joint specifically can design with elastic type.

The joint axis of joint connection can perpendicular to the plane of the circulation path of cross-over connection bag.Joint axis specifically can be parallel to the rotation axis of the device being designed to rotating body.Joint axis also relative to the plane mentioned or can be aimed at relative to rotation axis obliquely.But joint axis preferably crosses direction of transfer and arranges.The tilt alignment of the joint axis of type mentioned above realizes opening of product in the mode departing from corner.This can be especially favourable for thin product.

Flexible joint preferably has resilience feature.That is, bending the leaving of restoring force and the first lateral areas section is accumulated explicitly, and this restoring force causes the first lateral areas section to be again back to its initial position when no longer existence causes the bending power left.

Resilience feature is such as realized by connecting portion or the first bag side of spring steel or the design of another elastomeric material (as plastics).In addition, the spring element (as coil spring) producing restoring force can be arranged in joint connection.

According to the modification of embodiment mentioned above second further develops scheme, two lateral areas sections can relative to each other move in the middle of folding line (kink) is formed, and make the relative movement of two lateral areas sections realize the first product section towards the second bag side archwise.

As preferably, the first lateral areas section in relative movement by forming folding line to move apart the second bag side between the first lateral areas section and the second lateral areas section, for opening flat products.But people are also moved by folding line bag tomorrow second side between formation first lateral areas section and the second lateral areas section in relative movement it is conceivable that going out the second lateral areas section.

Comprise bag according to the device that this further develops scheme, two lateral areas section can relative to each other be shifted, make the first lateral areas section by formed folding line between the first lateral areas section and the second lateral areas section come relative to the second bag sidesway from.

Two lateral areas sections for this are connected to each other preferably by deformable flexible region.Deformable flexible region specifically allows the first lateral areas section to bend relative to the second lateral areas section, and therefore forms folding line that is stepped or shoulder shape.Here, deformable flexible region is also preferred designs with elastic type.

The restraint device opened and/or in insert district can be included according to this second device for opening further developing scheme, bag is pressed against on this restraint device, or this restraint device to be pressed against on bag and in the middle of the formation of above-mentioned folding line, to cause the first bag wall elastic deformation.Restraint device specifically acts on the first bag side at opening side place.

Restraint device can not be avoided in first bag side, because the bag in device for opening is preferably kept along drive access by conveyer.

Folding line axis can perpendicular to the plane of the circulation path of cross-over connection bag.Folding line axis specifically can be parallel to the rotation axis of the device being designed to rotating body.This folding line axis also can be aimed at the plane mentioned or rotation axis obliquely.But folding line axis preferably crosses direction of transfer and arranges.The tilt alignment of the folding line axis of type mentioned above realizes opening of product in the mode departing from corner.This can be especially favourable for thin product.

According to the second embodiment variant, pulsatile delivery device is bonded between two free edges of two product sections being in opening side place.Pulsatile delivery device acts in the second product section now, and the second product section is moved towards the second bag side in the middle of the opening of product.

But, do not act in the second product section in no touch mode according to the tensile force that this embodiment variant produces.But this embodiment variant is applicable to not exclusively opens product, this product is partly opened according to method and apparatus according to the present invention.

Applicable pulsatile delivery device is comprised according to the device for opening of this embodiment variant, it can be combined between two opening side edges of two product sections, to act in the second product section thus, second product section is moved, to open product towards the second bag side by pulsatile delivery device.

Such as, pulsatile delivery device can be turning unit, it has at least one rotating element radially given prominence to, wherein rotating element is during it rotates around centre of gration, join in the product partially opened, and collision the second product section, grasp the second product section, and be located in the second bag side.Pulsatile delivery device self can guide along closed circulation path, and this path is directed to product and opens in district, and is guided out again.

By this program, the first bag side and the second position relative to each other, bag side preferably remain unchanged.That is, turning unit is not exerted one's influence to position relative to each other, two bag sides.

The rotation axis of rotating element is preferably parallel to the plane being orthogonal to direction of transfer in this position, and at this place, rotating element acts on product.The rotation axis of rotating element is preferably parallel to the rotation axis of conveyer.

Pulsatile delivery device is specifically applicable to opening completely of product, thus, the free edge of product section not only can be separated from each other, and the second product section is also directed on the second bag side with surface based fashion.

According to the 3rd embodiment variant, bag moves through along drive access and opens district, and simultaneously at least partially around pivot axis and direction of transfer pivotable on the contrary.Acceleration force acts in the second product section due to the superposition of two kinds of motions, and this second product section guides towards the second bag side by these acceleration forces, and achieves opening of product.

Move along first of drive access about bag, bag can utilize and guide along arc drive access towards outer bag opening, so that bag can be brought into the position tilted relative to vertical axis.This effect had is, in the middle of product is opened due to gravity, the second product section moves towards the second bag side, and preferably against thereon, or continue against thereon.

As described above, bag is also suitable for opening completely along the inclination of arc drive access the product that Part I opens, or the product opened completely is stayed open.

But bag can also carry out in a linear fashion along the movement of drive access, has negative, positive gradient, or does not have gradient.The effect mentioned caused by gravity is also realized by the Linear-moving with negative gradient.

Device for opening comprises the applicable device for bag being brought into the position tilted relative to vertical axis, makes the second product section due to gravity or at least supports that bag tomorrow second side is moved by gravity, or remain on this place.

Bag is moved around second of pivot axis and is realized by pivoting device.Pivoting action achieves bag relative to the additional change of its current location along the inclination of drive access.Pivot axis is preferably fixing, and at least one making the connection edge receiving product is especially positioned at the bag section of radially inner side or whole bag and direction of transfer pivotable on the contrary.But, comprise the bag section being especially positioned at the radial outside of bag section of bag opening preferably along direction of transfer pivotable.

" be positioned at inner side " and be meant to arrange towards bag base, and " being positioned at outside " is meant to towards bag aperture arrangement.

But whole bag also can relative to sender's always pivotable.

Bag preferably around its pivot axis back pivotable, at the latest product conveying (release) after.Therefore, around closed drive access cycle period, bag experiences a class and swings or swing movement.As hereafter further explaination, bag preferably back pivotable again, in order to the conveying of product.

If the bag section being positioned at now inner side during it transmits with direction of transfer pivotable on the contrary, then the second product section is resisted against on the second bag side in the middle of the opening of product due to the force of inertia be applied to it.Therefore, force of inertia corresponds to tensile force.

Pivot axis can be arranged in bag opening and be positioned at the region between the abutment element (specifically bag base) of inner side, so that the bag section be positioned on the both sides of pivot axis pivots in opposite direction.

Pivot axis can be designed to physics pivot, and such as, can be arranged on bag.Physics pivot such as can be arranged on bag side.Physics pivot such as can be arranged in bag opening and the region between the abutment element of inner side, or in the region of bag opening, or in the region of abutment element.

Pivot axis or the pivot that can be designed to physics or virtual rotating hinge or axis are also likely such as arranged in bag opening and the region between the abutment element of inner side, such as, in the middle of bag.But the bag according to this modification does not comprise physics rotating hinge.

Rotating hinge or the axis of virtual or physics also can be arranged in the centre of gration of apparatus for rotating and the region of bag base or abutment element, or are positioned at the radial outside of bag opening.

Mentioned above, when pivot axis is arranged between bag opening and abutment element, such as, first be positioned at outside bag section with bag opening along direction of transfer pivotable, and receive the connection edge of product be positioned at inner side bag section pivotable contrary to direction of transfer.

The inclination of bag mentioned above is also by guiding bag to realize along arc transmission extending part (section).This guiding such as realizes by guide.

Substantially, the guiding of bag and bag can be designed so that different pivoting action superpositions.

The program that bag moves the inclination of path along it can be implemented now in one way, makes the acceleration of the bag with its pivoting action achieve opening of product.Therefore, tilt procedure can be braked suddenly or stop, to reach before expectation is tilted or to insert supplement at that time.Utilize this program, the second product section moves towards the second bag side due to its inertia.Also it is conceivable that going out, being reversed in the pivotal orientation of bag or bag section and this program.

According to the 4th embodiment variant, the connection edge in bag is shifted by the opening of position transfer device bag tomorrow, for flat products at least partly and preferably fully open.

Therefore, comprise position transfer device according to the device of this embodiment variant, by it, the position connecting edge can be shifted, for opening product along insertion and throughput direction in bag.Therefore, position transfer device opening in district by acting on the connection edge of product towards the position transfer of bag opening at device for opening.

Such as, position transfer device can be designed to the guiding device of the static or movement in device for opening, and along this guiding device, bag is introduced and opened and/or insert in region.Guiding device acts on the connection edge of the product be directed across in bag now, and is outwards promoted at described connection edge.

But people are also the transferable part of bag it is conceivable that out position transferring device, it is actuated by control setup (as guide).

Opening of product is realized by the first product section, first product section remains on opening side place in the region of its free edge, due to Distance Shortened away from the first pocket portion archwise, and thus leave the second product section in the central direction along the second bag side compacting of opening of product.

Specifically scheme is further developed, the first embodiment variant and the 4th embodiment variant and combination with one another according to of the present invention.According in the method for the first embodiment variant, move in the first product section combined towards the arc of the second product section orientation due to bag side.Further develop the curvature of the generation of scheme according to this or arcly can to act in the second product section, and realizing partially opening of product.But people also arcly still not to affect for the second product section it is conceivable that going out this, and therefore still the opening of unrealized product.

According in the subsequent processes of the 4th embodiment variant, the first product section is compressed by position transfer device or is suppressed, and wherein (in advance) archwise of the first product section increases, and described archwise is formed in advance.Utilize this program, arcly to act in the second product section, and in the middle of the opening at least partly of product, it is shifted towards the second bag side.

According to the 5th embodiment variant, bag guides around arc drive access.Radius of curvature or passageway radius reduce to open product along drive access.Bag moves along its circulation path, specifically along the direction of the centre of gration of device.

This realizes especially by the product remained in bag during transmitting along arc conventional via at it, and its in its middle front part connects edge and inwardly guide towards the rotation of conveyer or deflection center.

Utilize this program, the second product section experiences angle and accelerates due to the maintenance of its rotary pulse, and is moved towards the second bag side by it.Here the power forming the basis that angle is accelerated corresponds to tensile force.

This embodiment variant is also applicable to open the product only partially opened completely.

Comprise arc drive access section according to the device of this embodiment variant, bag can be removable along this section.Drive access section design becomes to make the bag opened during it transmits along arc drive access section in district be shifted towards centre of gration or deflection center or inwardly guide.Device for opening comprises the guide device being applicable to this.

First embodiment variant combines with the one or more embodiment variant mentioned subsequently now:

Second embodiment variant;

3rd embodiment variant;

4th embodiment variant;

5th embodiment variant.

Now, the second embodiment variant can combine with one or more embodiment variant mentioned subsequently:

First embodiment variant;

3rd implements modification;

4th embodiment variant;

5th embodiment variant.

3rd embodiment variant can combine with one or more embodiment variant mentioned subsequently now:

First embodiment variant;

Second embodiment variant;

4th embodiment variant;

5th embodiment variant.

4th embodiment variant can combine with one or more embodiment variant mentioned subsequently now:

First embodiment variant;

Second embodiment variant;

3rd implements modification;

5th embodiment variant.

5th embodiment variant can combine with one or more embodiment variant mentioned subsequently now:

First embodiment variant;

Second embodiment variant;

3rd implements modification;

4th embodiment variant.

4th embodiment variant and the 5th embodiment variant can equally by the product in its bag and combinations with one another, wherein its connection edge guides along the direction of deflection center or centre of gration in front portion, and go up staggered mode simultaneously or with the time, the connection edge of product is outwards promoted by position transfer device.

Utilize embodiment variant mentioned above, to open in district and/or to utilize towards outer bag opening in product transmission region, the movement along drive access of bag can be advanced with negative gradient, so that bag is brought into the position tilted relative to vertical axis along arc drive access or linear drive access.This effect had is, the second product section to move towards the second bag due to gravity or continues against thereon.

Holding device such as can comprise fixture (or clip), and the first product section is clamped on the first bag side by it.Fixture can be arranged on bag in the mode being positioned at radial outside, so that the region (specifically overlapping portion) of free edge is clamped on the first bag side by this fixture.Fixture such as can be attached on the first bag side in one way, makes it can be pivoted to bag inside and pivot out again.

According to the specific embodiment modification for the first product section being firmly held in the holding device on the first bag side, holding device comprises pressure zone, and it cooperates with the first bag side of bag.Pressure zone cooperates with the first bag side in one way, makes opening in district and/or insert district, and the free edge of the first product section is clamped on the first bag side by pressure zone.Therefore, the first product section is especially clamped on the first bag side during opening program and/or insertion program.

Pressure zone can be the band of continuous print or circulation.Such as, pressure zone is designed to the band of jointly advancing, and it is such as advanced jointly with the transfer rate of bag.Pressure zone is designed specifically to tape loop, and it is such as around the deflection of deflection roller.

Therefore holding device according to this embodiment comprises pressure zone.Pressure zone cooperates with the first bag side in one way, makes opening in district and/or insert district, and the free edge (specifically overlapping portion) of the first product section is clamped on the first bag side by pressure zone.

The first bag side for this preferably includes opening side curved section, and around it, the region of free edge or overlapping portion bends from the direction of insertion of bag or throughput direction during clamping.

The embodiment mentioned above of holding device can combine to open product with each embodiment variant mentioned above, or development program further with it combination.

The first product section being arranged in the product in bag especially can be kept by holding device, and holding device is attached on bag, or cooperates with it.First product section also remains on outside bag by holding device.Holding device can design independent of bag.

The first product section of the product of overlapping portion is not had such as to be kept by vacuum holder part.

Another aspect of the present invention relates to and product is transferred out device, especially transfers out apparatus for rotating.Device for this comprises and is sent from device for what be sent from by product.Such as, be sent from device and comprise belt conveyer, it assists product removing, and it such as supports that product skids off (such as, due to gravity) bag, and in controlled mode, described product is guided to the product removing belt conveyer being connected to it.

Bag preferably proceeds to bottom towards the motion of the bag being sent from device along arc drive access from top row.Product in the inferior segment of device is delivered to and is sent from device, and it such as can comprise belt conveyer.

For the object that the product of gentleness is carried, at least one bag to be brought into around pivot axis by pivoting device and is tilted to leave the position of vertical axis, wherein bag opening be sent from direction and point on the contrary.

Bag preferably moves along drive access, and simultaneously around pivot axis.The superimposed motion of bag is produced by it.

For product conveying object, bag is preferably pivoted into level attitude approximate horizontal.The bag of conveying products can surround (angle) at 45 ° with horizon or less, especially 20 ° or less angle.

Therefore, pivoting action achieves bag and changes relative to the additional tilt of its current location along its carrying path.Pivot axis is preferably fixing, makes the bag section being positioned at radially inner side at the connection edge receiving product along direction of transfer pivotable.But, comprise the bag section being positioned at radial outside and the direction of transfer pivotable on the contrary of bag opening.

But whole bag can along identical pivotal orientation pivotable, wherein bag opening relative to bag base move to sender in the opposite direction in.

Layout and the design of pivot axis/pivot can be similar to the 3rd embodiment variant.Corresponding description part relates to its correlative detail.

According to a preferred embodiment of the invention, the 3rd embodiment and above aspect of the present invention combine, and wherein comprise the public pivoting device with pivot axis at least one bag for this device.Opening district and the pivoting action of combination prepared in product conveying represents a class shake of bag thus.

Accompanying drawing explanation

Example hereafter by the preferred embodiment presented in the accompanying drawings illustrates theme of the present invention more in detail.Schematically show in various situation:

Fig. 1: according to the diagram linearly transmitting the program of opening of extending part or section of the combination of the first embodiment variant and the second embodiment variant;

Fig. 2: according to the diagram of the program of opening along arc transmission extending part of the first embodiment variant, the second embodiment variant and the 3rd embodiment variant;

Fig. 3: according to the diagram of the program of opening along arc transmission extending part of the first embodiment variant, the 3rd embodiment variant and the 4th embodiment variant;

Fig. 4: according to the diagram of the program of opening along arc transmission extending part of the first embodiment variant and the 3rd embodiment variant;

Fig. 5: according to the lateral plan according to device for opening of the present invention of the first embodiment variant, the second embodiment variant and the 3rd embodiment variant;

Fig. 6 a: according to the lateral plan according to device for opening of the present invention of the 3rd embodiment;

Fig. 6 b: from the enlarged detail of Fig. 6 a;

Fig. 7: according to the lateral plan according to device for opening of the present invention of the first embodiment variant and the 5th embodiment variant;

Fig. 8 a: the transparent view of the specific embodiment of bag;

Fig. 8 b: according to the lateral plan of the bag of Fig. 8 a.

Detailed description of the invention

Substantially, identical part is provided with identical Reference numeral in the accompanying drawings.

Fig. 1 shows and opens program according to the combination of the first embodiment variant (first further develops scheme) and the second embodiment variant according to of the present invention.

The bag 1 transmitted on direction of transfer R along linear transmission section or extending part F1 comprises the first bag side 2 and the second bag side 3 respectively.The first bag side 2 that direction of transfer R is in rear is formed by being connected to the first lateral areas section 2a of going up each other and the second lateral areas section 2b by joint connection 5.

Be included in fore its folded products 4 connected in edge introducing bag 1 being designed to folded edge 11 the first product section 10a direction of transfer R being in rear, and be in the second product section 10b in front in the transmission direction.Two product section 10a, 10b are connected to by folded edge 11 and go up each other.

First product section 10a comprises overlapping portion 14, and it is arranged in the region of bag opening 17, and it ends at free product edge 13.Second product section 10b comprises free product edge 12 similarly.

The overlapping portion 14 of the first product section 10a is clamped on the first bag side 2 by fixture securely, in the region of the bag opening 17 of fixture layout on the first bag side 2.First product section 10a remains on the first bag side 2 in this way.

In addition, bag comprises bag base 7, and it is used as the insertion abutting part of the folded edge 11 of product 4.

First lateral areas section 2a leaves the second bag side 3 via joint connection 5 pivotable, to open product 4.The opening side end section being resisted against the first product section 10 on the first bag side 2 bends away from the second product section 10b in this way.Therefore, the end edge 12,13 of two product section 10a, 10b is directed to be opened, and product section open.That is, product 14 is at least opened at its opening side section place.

Now, the device be associated also comprises the pulsatile delivery element 6 in the turning unit form with rotating element 9, and described rotating element is rotatably installed on it, and for opening the product 4 according to the second embodiment variant subsequently completely.

Rotating element 9 is bonded on each other in advance between isolated two free product edge 12,13 due to it around the in rotary moving of rotation axis D in the region of opening district O, moves towards the second product section 10b, and with the second product section 10b active exposure.Second product section 10b guides towards the second bag side 3 by continuous print is in rotary moving by rotating element 9 now.Product 4 is opened in this way completely.

Therefore, the combination of the first embodiment variant and the second embodiment variant is comprised according to the examples Example of Fig. 1.

Now, flat object (not shown) can insert in product 4 along insertion and throughput direction A.

First lateral areas section 2a keeps pivotable to leave the second bag side 3, at least until the program of insertion, and utilizes insertion program, so as keep insertion program product 4 to open width wide as far as possible.Therefore, funnel-form bag opening 17 is defined.

Program of opening shown in Fig. 2 has the method step according to the first embodiment variant of the shown in Figure 1 scheme that further develops according to first similarly.Bag 1 and pulsation transfer member 6 and its mode of action be similar to Fig. 1 to design.For this reason, eliminate the repetition of method step about it and device characteristic in this position, and with reference to the description about Fig. 1, described description relates to the examples Example according to Fig. 2 similarly.

Exemplary embodiment according to Fig. 2 is arch or arc transmission extending part F2 from the different of the examples Example according to Fig. 1, and along this extending part F, bag 1 guides along direction of transfer R.Now, the arc transmission extending part F2 of device for opening is designed to open in district O or is connected to bag on it tilt relative to vertical axis V and specifically tilt in one way, make according to the second non-maintenance product section 10b (additionally) of the 3rd embodiment variant because gravity moves towards the second bag side 3, or be resisted against on the second bag side due to gravity.

Transmit extending part F2 and specifically can be designed so that the bag 1 after opening completely is tilted by pulsatile delivery parts 9, so that the second product section 10b is resisted against on the second bag side 3, until the program of insertion due to gravity.

Therefore, the combination of the first embodiment variant and the 3rd embodiment variant is comprised according to the exemplary embodiment of Fig. 2.

The bag 1 shown in context of described in figure 3 program of opening and product 4 and product is remained in bag 1 examples Example corresponded to according to Fig. 1 and 2.Product 4 and bag 1 are similar to Fig. 1 and 2 to design.For this reason, eliminate the repetition of the Characteristic and function relation about this in this position, and but with reference to about the description of Fig. 1 and 2, described in be described in this respect and also relate to examples Example according to Fig. 3.

Here, the first lateral areas section 2a also leaves the second bag side 3 by joint connection 5 pivotable, to open product 4.To be resisted against on the first bag side 2 and to keep the opening side end section of the first product section 10 thereon to leave the second product section 10b by described first lateral areas section is bending clampingly.Therefore, the end edge 12,13 of two product section 10a, 10b is directed to be opened, and product 4 is partly opened.That is, product 4 is at least opened at its opening side section.

Bending another object left also for hereafter describing of the opening side end section of the first product section 10a.

In addition, device for opening comprises the displacement device 15 with stationary guide surfaces 19, and by displacement device, the product 4 be arranged in bag guides along direction of transfer R with its folded edge 11.

The guiding surface 19 of displacement device 15 is designed so that folded edge 11 shifts along transmitting extending part F2 towards bag opening 17 during bag 1 transmits, and this is after the first lateral areas section 2a pivotable is left or carry out simultaneously.There is the compression of the first product section 10a, because present first product section 10 remains on the first bag side 2 clampingly at its overlapping portion 14 place.Compression causes the first product section 10a towards the second bag side 3 archwise 18.The pivotable begun through due to the first lateral areas section 2a of archwise process is left and by existing or bendingly promoting of occurring simultaneously.

Second product section 10b is by arc 18 or to be protruded along the direction of the second bag side 3 by the first product section 10a and suppress towards the second bag side 2b.Therefore product 4 is opened completely.Once product 4 is opened completely, then folded edge 11 such as can lead back to its initial position by displacement device 15 on bag base 7.

According to the illustrative examples according to Fig. 3, transmission extending part F2 is similar to and designs with arcuate fashion according to the illustrative examples of Fig. 2.Similarly, the arc guiding segments F2 of device for opening is designed so that the bag opened in district O or after it tilts relative to vertical axis V and specifically tilts in one way, make according to the second non-maintenance product section 10b (additionally) of the 3rd embodiment variant because gravity moves towards the second bag side 3, or be resisted against on the second bag side 3 due to gravity.

Transmit extending part F2 and specifically can be designed so that bag 1 is at the rear-inclined opened completely, so that the second product section 10b is resisted against on the second bag side 3, until insertion program due to gravity.

Therefore, the combination of the first embodiment variant, the 3rd embodiment variant and the 4th embodiment variant is comprised according to the exemplary embodiment of Fig. 3.

Fig. 4 show according to second further develop scheme according to the first embodiment opening program of the present invention.The bag 31 that direction of transfer R transmits along arc transmission extending part F3 has the first bag side 2 and the second bag side 33 respectively.The first bag side 32 that direction of transfer R advances at rear portion or rear is formed by being connected to the first lateral areas section 32a of going up each other and the second lateral areas section 32b by deformable region 35.

Be included in the folded products 4 that its folded edge 11 is introduced in bag 31 in front portion the first product section 10a direction of transfer R being in rear, and be in the second product section 10b in front in the transmission direction.Two product section 10a, 10b are connected to by folded edge 11 and go up each other.

First product section 10a comprises overlapping portion 14, and it is arranged in the region of bag opening 17, and it ends at free product edge 13.Second product section 10b comprises free product edge 12 equally.

The overlapping portion 14 of the first product section 10 is clamped on the first bag side 32 by fixture 38 securely, and fixture 38 to be arranged on the first bag side 32 and to be arranged in the region of bag opening 17.This first product section 10a is remained on the first bag side 32 by it.

In addition, bag 31 also comprises bag base 37, and it is used as the insertion abutting part of the folded edge 11 of product 4.

First lateral areas section 32a moves towards the second lateral areas section 32b with relative movement now, to open product 4.Utilize this program, bag 31 is out of shape in deformable region 35, and forms stepped or shoulder folding line 35.

Folding line 35 makes the first lateral areas section 32a utilize this program to move apart the second bag side 33.To remain on the first bag side 32 with method of clamping and leave the second product section 10b against the opening side end section of its second product section 10a is bending in this way.Therefore, the end edge 12,13 of two product section 10a, 10b is directed separately, and product is opened at least in part.That is, product 14 is at least opened at its opening side section.

Device for opening comprises restraint device 36, for formation two lateral areas section 32a, and the folding line 35 mentioned between 32b.Restraint device 36 acts on the first bag side 32 at opening side place, and thus, during the first bag side 32 is transmitted along transmission extending part F3, described device is against the first bag side 32.

Now, bag 31 guides along transmission extending part F3 towards static restraint device 36.First bag side 32 is compressed on restraint device by the distance reduced gradually at opening side place.Restraint device 36 can not be avoided in first bag side 32, because the bag in device for opening 31 transmits extending part transmission with the mode kept by conveyer edge.On the contrary, bag 31 is extruded or compresses in folding line 35 forming process mentioned above.The first bag side 32 be deformed into spring.Connecting portion or the first bag side 32 are preferably made up of spring steel.

According to the examples Example according to Fig. 4, transmission extending part F3 is similar to and designs with arcuate fashion according to the exemplary embodiment of Fig. 2 and 3.Arch or the arc guiding segments F3 of device for opening design similarly, bag is made to open in district O or tilting relative to vertical axis V after it and specifically tilt in one way, make according to the second non-maintenance product section 10b (additionally) of the 3rd embodiment variant because gravity moves towards the second bag side 33, or be resisted against on the second bag side 33 due to gravity.

The restraint device 36 forming the guiding surface being used for the second bag side 32 is arranged in the region of opening district O.

Transmit extending part F3 and specifically can be designed so that bag 31 is at the rear-inclined opened completely, so that the second product section 10b is resisted against on the second bag side 33, until the program of insertion due to gravity.

Therefore, the combination of the first embodiment variant and the 3rd embodiment variant is comprised according to the exemplary embodiment of Fig. 4.

Fig. 5 shows the device for opening 50 of the specific embodiment with holding device 58.

Device for opening comprises the bag 51 as mentioned in Fig. 1,2 and 3, except the following difference pointed out.Therefore, eliminate the repetition of the device characteristic about this in this position, and but with reference to about Fig. 1,2 and 3 description, described description also relates to the illustrative examples according to Fig. 5.

Bag 51 with according to Fig. 1,2 and 3 the difference of bag be only the following fact: described bag does not comprise the fixture for being clamped in by the first product section 10a on the first bag side 52.But the first bag side 52 comprises end section surface 59, i.e. so-called curved section, it is angled away from the first lateral areas section 52a.End section surface 59 refers to from bag opening 17.

Bag 51 is carried from the conveyer in apparatus for rotating 54 form along closed arc transmission extending part F2.Bag 51 is arranged along the periphery of apparatus for rotating 54, and comprises radially towards outer bag opening 17.Apparatus for rotating 54 is rotatably installed around rotation axis D.

In addition, device for opening 51 comprises the holding device of pressure setting 58 form opening district O, to be firmly held on the first bag side 52 by the first product section 10a.

Pressure setting 58 comprises pressure zone 60, and it guides around deflection roll 61 in a looping fashion, and it forms the pressed surface towards the bag 51 along transmission extending part F2 movement.Pressure zone 60 cooperates like this with angled end section surface 59: form clamping zone together with them.Now, in the entrance of pressure setting 58, the overlapping portion 14 of product 4 radially protrudes past the first bag side 52.

During the transmission of product 4, overlapping portion 14, and to be remained between pressure zone 60 and end section surface 59 towards angled end section surface 59 or back curve clampingly by the pressure zone 60 of advancing.Pressure zone 60 is guided jointly along direction of transfer R, so that overlapping portion 14 can keep lower with the friction of pressure zone 60.

Then program of opening is similar to and realizes according to the examples Example of Fig. 2.For this reason, eliminate the repetition of the apparatus and method feature about this in this position, and but with reference to the description about Fig. 2, described description also relates to the examples Example according to Fig. 5.Examples Example according to Fig. 2 and the examples Example according to Fig. 1 different be only holding device design and with bag on change.

Direction of transfer R is construed to comprise along the device for opening 50 of the periphery of apparatus for rotating 54 feed direction Z1 by folded products 4 to the feeder unit 65 in the bag 51 delivered on apparatus for rotating 54 for edge.In addition, device for opening 50 comprises holding device 58 as has been described and opens device 6, and another feeder unit 66, and by feeder unit 66, supplement 16 is inserted in the product section 10a opening product along direction of insertion Z2, between 10b.The feeding of folded products 4 and supplement 16 is realized by belt conveyer.

First bag side 52 of bag 51 comprises the first bag section 52 and the second bag section 52b equally, and they are pivotally connected to by joint connection 55 and go up each other.

Be clamped in the first product section 10a on the first bag side 52 securely by pressure zone 60 as described above, according to this examples Example, also by making the first lateral areas section 52a pivotable leave, the second bag side 53 is bending leaves the second product section 10b.Product 4 utilizes this program to open at least in part.

Opening in district O, the product 4 still clamped securely by pressure zone 60 is opened completely by the rotating element 9 of turning unit 6.Identical with about in the description of Fig. 1 and 2 of the program of opening realized by turning unit 6.

Here, due to arc transmission extending part F2, bag 51 also tilts relative to vertical axis V in the E of insert district, so that second of the product opened 4 the non-maintenance product section 10b is resisted against on the second bag side 53 during insertion program.

Enter for the pressure zone 60 in the positive front portion of the feeder unit 66 of supplement leaves compacting guide portion by deflection roll 61 deflection and be back in guide portion.But the first product section 10a keeps being clamped, until and utilize the insertion of supplement 16.Until deflected into by pressure zone 58 return in guide portion supplement 16 is inserted just release clamping engage.After clamping engages release, the first product section 10a himself is positioned on the second product section 10b due to gravity, and product 4 closes thus.Product 4 is still being delivered to the realization of coming being sent from device (not shown) by this.

Therefore, the combination of the first embodiment variant and the second embodiment variant is comprised according to the exemplary embodiment of Fig. 5.

Fig. 6 a and 6b shows another embodiment of device for opening 70.Device for opening 70 comprises the conveyer of apparatus for rotating 74 form that can rotate around rotation axis D.Apparatus for rotating 74 forms closed arc transmission extending part F5, and the multiple bags 71 arranged one by one transmit along this extending part F5, and wherein the first bag side 72 is positioned at rear and the second bag side 73 is positioned at front on direction of transfer R on direction of transfer R.Bag 71 is arranged along the periphery of apparatus for rotating 74, and comprises radially towards outer bag opening 17.

Bag 4 is similar to and constructs according to the illustrative examples of Fig. 1 and 2, and inserts in bag 71, and remains on wherein at side place.The overlapping portion 14 of the first product section 10a is also clamped on the first bag side 72 securely by the fixture 78 be arranged in the region of the bag opening 17 on the first bag side 72.

Bag 71 also comprises bag base 77, and it is used as the insertion abutting part of the folded edge 11 of product 4.

But, bag 71 relative to its structure and its function also may correspond according to Fig. 1,2 and 3 bag.

Compared to according to the bag according to examples Example of Fig. 1 to 3, pivot axis or pivot 79 are arranged on the first bag side 72 and between bag opening 17 and bag base 77, around this pivot, bag 71 pivotally remains on slewing 74.Bag 71 can change in this way relative to the inclination of the longitudinal axis of vertical axis V or slewing 74.

The pivot axis 79 of bag 71 is introduced around in the circular loop path U of apparatus for rotating 74.

The device for opening 70 be recognized as along the periphery along slewing 74 of direction of transfer R comprise for along feeding direction Z1 by folded products 4 to the feeder unit 85 in the bag 71 delivered on apparatus for rotating 74, and insertion apparatus 86, by insertion apparatus 86, supplement 16 is inserted in the product section 10a of the product 4 opened along direction of insertion Z2, between 10b.The feeding of folded products 4 and supplement 16 is realized by belt conveyer.

After supplement 16 inserts in product 4 and before it is delivered to and is sent from device 87, fixture 78 is opened again, and product 4 discharges.Product 4 utilizes this program to close.

Device for opening 70 after feeder unit 86 comprises now and is sent from device 87, the closed and product transmission of release or be delivered to device 87.Be sent from device 87 and be designed to belt conveyer 88.Belt conveyer 88 receives the product 4 carried by device for opening 70, as overlapping tiles stream.

In order to open this product, between the first feeder unit 85 and the second feeder unit 86 open bag 71 in district O its to be conveyed through along circulation path open district O during around rotation axis 79 pivotable, and be caught to tilt relative to vertical axis V.Utilize this program, there is the outer bag tagma section of the bag opening 17 at direction of transfer R front portion place and there is inner bag section and the direction of transfer R pivotable on the contrary of bag base 77.

Second product section 10b is due to its inertia and the additional assistance utilizing gravity to cause and guiding towards the second bag side 73, because inner bag section and direction of transfer R back pivotable on the contrary, and product is opened in this way.The product 4 remaining on side place stays open due to gravity, wherein its due to bag along circulation path U continuation tilt and transmit further.

Therefore, the 3rd embodiment variant is comprised according to the exemplary embodiment of Fig. 6.With according to before the opening completely of the 3rd embodiment variant for the combination of the first embodiment variant partly opening product is same may.

Fig. 7 shows another embodiment of device for opening 90.Device for opening 90 comprises the conveyer of apparatus for rotating 94 form that can rotate around rotation axis D.Apparatus for rotating 94 forms closed arc transmission extending part F6, and the multiple bags 91 arranged one by one transmit along this extending part F6, and wherein the first bag side 92 is positioned at rear and wherein the second bag side 93 is positioned at front on direction of transfer R on direction of transfer R.Bag 91 is arranged along the periphery of apparatus for rotating 94, and comprises radially towards outer bag opening 17.

Bag 91 relative to its structure and function correspond to Fig. 1,2 and 3 bag.For this reason, eliminate the repetition of the device characteristic about this, and with reference to about Fig. 1,2 and 3 description, described description also relates to the examples Example according to Fig. 7.

The device for opening 90 be recognized as along the periphery along slewing 94 of direction of transfer R comprise for along feeding direction Z1 by folded products 4 to the feeder unit 85 in the bag 91 delivered on apparatus for rotating 94, and feeder unit 86, by feeder unit 86, supplement 16 is inserted in the product section 10a opening product 4 along direction of insertion Z2, between 10b.The feeding of folded products part 4 and supplement 16 is realized by belt conveyer.Two feeder units 85 and 86 are arranged in the upper region of apparatus for rotating 94.

Device for opening 90 after feeder unit 86 comprises now and is sent from device 87, and closed and product 4 that is release is delivered to device 87 and transmits and leave.Be sent from device 87 comprise product removing belt conveyer 88 and support belt conveyer 99, support belt conveyer and assist product removing, and support that product 4 skids off bag 91 due to gravity in the lower area of apparatus for rotating 94, prevent from dropping out, and the product remained in a controlled manner in bag is directed to product removing belt conveyer 88, after forwarder 88 is positioned at and supports belt conveyer 99.Product removing belt conveyer 88 receives the product 4 carried by device for opening and is used as overlapping tiles stream.

First bag side 92 of bag 91 comprises the first bag section 92a and the second bag section 92b equally, and it is pivotally connected to by joint connection 95 and goes up each other.

Now, program of opening is similar to and realizes according to the exemplary embodiment of Fig. 2.For this reason, eliminate the repetition of device characteristic about this and method characteristic in this position, but with reference to the description about Fig. 2.

The the first product section 10a be clamped in securely on the first bag side 91 by fixture 98 is also bent away from the second product section 10b by making the first lateral areas section 92a pivotable leave the second bag side 93 according to this illustrative examples.Utilize this program, product 4 is opened at least in part, that is, at least open in its end section in the face of bag opening 17.

Device for opening 90 now feature is also, bag 91 at it further along directed during arc drive access F6, wherein remain on product 4 in bag 91 with its folded edge 11 anterior and towards to rotate or the mode of deflection center D is directed inwardly, with open transmit along arc drive access F6 in district O during open product.This means the radial distance B1 of bag to centre of gration D, B2 can reduce on direction of transfer R.

Utilize this program, the second product section 10b experiences angle to accelerate because its rotary pulse keeps, and by it, moves along direction of transfer R towards the second bag side 93.The gravity that this program also provides by inclination bag 91 is additionally assisted.

Side by side, due to arc transmission extending part F6, the bag 91 opened in district O tilts relative to vertical axis V in one way, makes second of the product 4 opened the non-maintenance product section 10b after opening program because gravity continues to be resisted against on the second bag side 93.In order to keep product 4 to open, the inclination of bag 91 also keeps during insertion program.

Fixture 98 after supplement 16 is inserted in product 4 and supplement is delivered to be sent from device 87 before again open, and product 4 discharges.Product 4 utilizes this program to close.

Therefore, the combination of the 3rd embodiment variant and the 5th embodiment variant is comprised according to the exemplary embodiment of Fig. 7.

Fig. 8 a and 8b shows the specific embodiment of bag, and it can be applicable to according in device of the present invention.Bag 41 comprises the first bag side 42 and the second bag side 43, and bag opening 17 and bag base 47.The first bag side 42 that direction of transfer R is in rear comprises two support bars 44, and described support bar is spaced apart from each other, and from bag base 47, have outside the bending in direction along bag opening 17.Described bending the widening of accommodation space that ensure that towards bag opening 17.

Second bag side comprises the support bar 45 be spaced apart from each other equally.

The support bar 44,45 of two bag sides 42,43 can be designed to spring mode, and is such as made up of Elastic Steel or plastics.

Two bag sides 42,43 are connected at both sides place in the region of bag opening 17 goes up each other.

Be arranged in the abutting part that the bag base 47 relative with bag opening 17 forms the folded edge 11 of the product 4 introducing bag 41.

Bag base 47 abuts bars 48 by two and forms, and abuts bar 48 and is spaced apart from each other, and by support bar 44,45 and support-side 42,43 be connected to and go up each other.

The folded products 4 inserted in front portion in bag 1 with its folded edge 11 is included in the first product section 10a direction of transfer R being in rear, and on direction of transfer R, be in the second product section 10b in front, and these product sections are connected to by folded edge 11 and go up each other.

First product section 10 comprises overlapping portion 14, and it is resisted against on the first bag side 42 in the region of bag opening 17.Overlapping portion 14 ends in free product edge 13.Second product section 10b has equally and is positioned at the free product edge 12 relative with folded edge 11.

First bag side 42 comprises pressed surface 49 in its one end in the face of bag opening 17, and overlapping portion 14 is compressed on this pressed surface 49 clampingly by pressure zone (such as, seeing Fig. 5).Therefore, overlapping portion 14 is bent to outside at bag opening 17 (not shown) place.

In addition, bag 41 comprises cam rollers 46 in the region of bag opening 17, and it is attached on both sides, and cooperates with the cam guide (not shown) in conveyer.Bag 41 is such as arranged by the cam rollers 46 cooperated with cam guide relative to the inclination of vertical axis.Pivot axis is arranged in the region the second bag side 43 being arranged in bag opening 17.

Claims

1. one kind for opening the method for flat products (4); described product (4) is included in connection edge (11) place and is connected at least the first product section (10a) and the second product section (10b) that go up each other; wherein said flat products (4) inserts device for opening (50 to connect edge (11) fore mode described in it; 60; 70) bag (1; 31; 51; 71) in; wherein said bag (1,31,51; 71) two bag sides (2,3 positioned opposite to each other are comprised; 32,33; 52; 53; 72,73), and described first product section (10a) being in rear on described direction of transfer (R) is by holding device (8,38,58,78) be firmly held, and caused by the movement of the part of described bag or described bag and be applied in second product section freely (10b) in front with the tensile force of described gravitational independent, by described tensile force, described second product section (10b) is central towards described second bag side (3 in opening at least partly of described product (4), 33,53,73) mobile.

2. method according to claim 1, is characterized in that, described second product section (10b) is mobile towards described second bag side (3,33,53,73) by described tensile force and described superposing of gravity.

3. method according to claim 1 and 2, is characterized in that, keeps the described first bag side (2 of described first product section (10a); 32,52,72) the first lateral areas section (2a of opening side is comprised; 32a; 52a, 72a) and bag inside the second lateral areas section (2b, 32b; 52b; 72b), wherein two described lateral areas section (2a, 2b; 32a, 32b; 52a, 52b; 72a, 72b) can relative to each other move, and described first lateral areas section (2a, 32a, 52a, 72a) move apart described second bag side (3,33,53,73) to open described product (4), so that tensile force is being applied in the middle of on described second product section (10b) towards described second product section (10b) archwise by described first product section (10).

4. method according to claim 3, is characterized in that, described two lateral areas section (2a, 2b; 52a, 52b; 72a; 72b) can be pivoted relative to each other, and described first lateral areas section (2a, 52a, 72a) pivotable leaves described second bag side (3,53,73) to open described product (4).

5. method according to claim 3, it is characterized in that, described two lateral areas section (32a, 32b) can relative to each other be shifted, and described first lateral areas section (32a) is mobile relative to described second bag side (33) to move apart described second bag side by forming folding line (35) between described first lateral areas section (32a) and described second lateral areas section (32b), to open described flat products (4).

6. method according to any one of claim 1 to 5, it is characterized in that, described bag (71) moves through along described drive access (F5) and opens district (O) on direction of transfer (R), and simultaneously at least one bag section in the pivotal orientation contrary with described direction of transfer (R) around pivot axis (79) pivotable, wherein tensile force acts on described second product section (10b) due to the superposition of two motions, and the effect that described tensile force has is, described second product section (10b) is central mobile towards described second bag side (73) in opening at least partly of described product (4).

7. method according to any one of claim 1 to 6, it is characterized in that, described bag (71) is around pivot axis (79) pivotable, at least one of wherein receiving the connection edge (11) of described product (4) is positioned at bag section and direction of transfer (R) pivotable on the contrary of inner side, and wherein tensile force is applied on described second product section (10b) by described pivoting action, the effect that described tensile force has is, described second product section (10b) is central mobile towards described second bag side (73) in opening at least partly of described product (4).

8. method according to claim 7, it is characterized in that, described bag (71) is around pivot axis (79) pivotable, wherein receive the bag section and described direction of transfer (R) pivotable on the contrary that are positioned at inner side at the connection edge (11) of described product (4), and the bag section comprised outside being positioned at of described bag opening (17) is along described direction of transfer (R) pivotable.

9. the method according to any one of claim 6 to 8, it is characterized in that, described bag (71) pivotable, and described pivoting action reduces suddenly afterwards, and/or described pivoting action is reversed, make described second product section (10b) mobile towards described second bag side (73) by the force of inertia acted in described second product section.

10. method according to any one of claim 1 to 9, it is characterized in that, connection edge (11) in described bag (1) is shifted by the opening (17) of position transfer device (15) towards described bag (1), to open described product (4).

11. methods according to any one of claim 1 to 10, it is characterized in that, described bag (71) is directed around arc drive access (F5), and reduce along the radius of curvature of described drive access (F5) to open described product (4), accelerate so that described second product section (10b) experiences angle due to the maintenance of its rotary pulse, and mobile towards described second bag side (73) by it.

12. methods according to any one of claim 1 to 11, it is characterized in that, described bag (71) is directed around arc drive access (F5), and remain on during it transmits along described arc drive access (F5) described product (4) in described bag (71) with its connect edge (11) fore mode towards described rotation or deflection center directed, with the object in order to open described product (4), accelerate so that described second product section (10b) experiences angle due to the maintenance of its rotary pulse, and it is central mobile towards described second bag side (73) opening at least partly of described product (4) by it.

13. 1 kinds for opening the device (50 of folding flat products (4); 70; 90); described product (4) comprises and is connected to by folded edge (11) the first product section (10a) and the second product section (10b) that go up each other; described device is particularly useful for performing the method according to any one of claim 1 to 12; described device comprises at least one bag (1; 31; 51; 71); it can move along drive access and two the bag sides (2,3 having bag opening (17) and be spaced apart from each other; 32,33; 52,53; 72,73), form supporting zone and for receiving described product (4), and comprise holding device (8,38,58,78) described first bag side (2,32,52 is firmly held in for by described first product section (10a) at described direction of transfer (R) rear, 72) on, and comprise and open device, it for being directed to described second bag side (3,33 by the guide along direction of transfer second product section (10b) in the middle of the opening at least partly of described product (4), 53,73) on.

14. devices according to claim 13, is characterized in that, keep the described first bag side (2 of described first product section (10a); 142,52,72) the first lateral areas section (2a of opening side is comprised; 142a; 52a, 72a) and bag inside the second lateral areas section (2b, 142b; 52b; 72b), wherein said two lateral areas section (2a, 2b; 32a, 32b; 52a, 52b; 72a, 72b) can relative to each other move, make described two lateral areas section (2a, 2b; 32a, 32b; 52a, 52b; 72a, 72b) relative movement realize the archwise of described first product section (10a) towards described second bag side (3,33,53,73).

15. devices according to claim 14, is characterized in that, described two lateral areas section (2a, 2b; 52a, 52b; 72a, 72b) can be pivoted relative to each other.

16. devices according to claim 14, is characterized in that, described two lateral areas section (32a, 32b) can relative to each other be moved in the middle of the formation of folding line (35).

17. according to claim 13 to the device according to any one of 16, it is characterized in that, described device (70) comprises and is dispensed to described bag (71) and the pivoting device with pivot axis (79), described axis (79) is fixed, and makes at least one bag section can pivot out current location along described drive access (F5) on the contrary around described pivot axis (79) and described direction of transfer (R).

18. devices according to claim 17, it is characterized in that, described device (70) comprises the device for performing aggregate motion, and wherein said aggregate motion comprises described bag (71) along the motion of described drive access (F5) and described bag (71) around the pivotable of described pivot axis (79).

19. according to claim 13 to the device according to any one of 18, it is characterized in that, described device comprises position transfer device (15), by described position transfer device (15), described connection edge (11) described open program during described position can in described bag (1) along described insertion and throughput direction (A) transfer.

20., according to claim 13 to the device according to any one of 19, is characterized in that, described device comprises arc drive access section (F6), and the radius of curvature of described arc drive access section reduces described opening in district (O).

21. according to claim 13 to the device according to any one of 19, it is characterized in that, described device comprises arc drive access section (F6), described bag (71) can be mobile along described section (F6), and described bag (71) is open can be radially inwardly displaced during it transmits along described arc drive access section (F5) in district (O).