CN106660295B - For constituting the device and method of the bottom opening of bag body - Google Patents
For constituting the device and method of the bottom opening of bag body Download PDFInfo
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- CN106660295B CN106660295B CN201580033390.5A CN201580033390A CN106660295B CN 106660295 B CN106660295 B CN 106660295B CN 201580033390 A CN201580033390 A CN 201580033390A CN 106660295 B CN106660295 B CN 106660295B
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- bag body
- tubulose
- bag
- wedge
- conveying direction
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- 239000000463 material Substances 0.000 description 10
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
- B31B70/003—Opening or distending bags
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
- B31B70/02—Feeding or positioning sheets, blanks or webs
- B31B70/04—Feeding sheets or blanks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
- B31B70/26—Folding sheets, blanks or webs
- B31B70/262—Folding sheets, blanks or webs involving longitudinally folding, i.e. along a line parallel to the direction of movement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B2150/00—Flexible containers made from sheets or blanks, e.g. from flattened tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B2150/00—Flexible containers made from sheets or blanks, e.g. from flattened tubes
- B31B2150/001—Flexible containers made from sheets or blanks, e.g. from flattened tubes with square or cross bottom
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B2150/00—Flexible containers made from sheets or blanks, e.g. from flattened tubes
- B31B2150/001—Flexible containers made from sheets or blanks, e.g. from flattened tubes with square or cross bottom
- B31B2150/0014—Flexible containers made from sheets or blanks, e.g. from flattened tubes with square or cross bottom having their openings facing transversally to the direction of movement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B2150/00—Flexible containers made from sheets or blanks, e.g. from flattened tubes
- B31B2150/003—Flexible containers made from sheets or blanks, e.g. from flattened tubes made from tubular sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B2160/00—Shape of flexible containers
- B31B2160/10—Shape of flexible containers rectangular and flat, i.e. without structural provision for thickness of contents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B2160/00—Shape of flexible containers
- B31B2160/20—Shape of flexible containers with structural provision for thickness of contents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
- B31B70/26—Folding sheets, blanks or webs
- B31B70/56—Folding sheets, blanks or webs by rotary members co-operating with blades
Landscapes
- Supplying Of Containers To The Packaging Station (AREA)
- Making Paper Articles (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
Abstract
The present invention relates to a kind of bag sections (2 ' on open end regions (9) in the bag body of tubulose (2), 2 " device and method of bottom opening (8) are constituted between), it has the conveying device (3) for conveying direction (5) conveying bag body (2) for extending (6) for the longitudinal direction transverse to bag body, and have for the bag section (2 ' on the open end region (9) of the bag body of tubulose (2), 2 " shedding motion (7) of bottom opening (8) is constituted between), wherein, the shedding motion (7) have at least two along the bag body (2) of tubulose conveying direction (5) arranged in succession be in wedge element (12；12 ', 12 ", 12 " ') form expansion member (10), wedge element has the lozenges (14 risen in face of direction of rotation (13)；14 ', 14 "); using the lozenges can bag body make in the transmission process on conveying device (3) tubulose bag body (2) bag section (2 ', 2 ") mutually liftoff expansion on open end regions (9), wherein, the wedge element (12 of the expansion member (10) of arranged in succession；12 ', 12 ", 12 " ') the ever-increasing wedge shape height (h) of the conveying direction (5) with bag body (2) different, along tubulose, bearing surface (4) of the highly preferred bag body (2) perpendicular to tubulose of the wedge shape on conveying device (3).
Description
Technical field
The present invention relates to bottom opening is constituted between the bag section on a kind of open end region of bag body in tubulose
Equipment, the equipment belt have the conveying device for conveying bag body transverse to the conveying direction of bag body longitudinally extended, and
And the equipment also has and constitutes opening for bottom opening between the bag section on the open end region for the bag body in tubulose
Mouth device, wherein the shedding motion has at least one around the rotatable expansion member of rotation axis, the expansion member energy
Between bag section on the open end region of enough bag bodies for importing tubulose when rotated.
Moreover, it relates to be constituted between a kind of bag section on open end region for the bag body in tubulose
The method of bottom opening, wherein the conveying direction that the bag body longitudinally extends transverse to it is conveyed, and in rotary course
In, it is imported around the expansion member that rotation axis rotates between the bag section on the open end region of the bag body of tubulose.
Background technique
In the prior art, just become known for the equipment for manufacturing sack for a long time.The equipment includes to tubes of material
Preparation, the tubes of material or is obtained by forming tubular material width or is interconnected by the long side of flat material roll
It is obtained at tubulose final structure, the equipment includes tubes of material being cut into the bag body of the tubulose of suitable length and by pipe
Opening appropriate, folding and the closing of the open end of the bag body of shape and form a bag bottom.In order to open a bag bottom, in existing skill
It suggested different solutions in art.
It is a kind of for strutting the equipment for intersecting bottom on paper tube as known to 640 287 C of DE, wherein the two of pipe section
A tubular layer is sold by separation and is separated from each other.In the further processing of tubulose paper, enters between two tubular layers and expand
Open up disk, its shell is from top to being extended to increasingly wider wedge shape.Therefore, extension disk gos deep into paper deeper and deeperly when rotated
Two wrapping layers of pipe, therefore paper tube bottom is equably mutually extended.
But this known design scheme has the disadvantage that the extension of tubular body end is with relatively small number of path steep
It is realized on high and steep lozenges.Therefore, mistake can be generated.
In addition, DE 1 611 701 also disclose it is a kind of in manufacturing bottom machine manufacture bag body and sieve friendship
The equipment of the end of tubular slug that axial transport is opened when pitching bottom, plane setting.Bottom is being manufactured for continuous work
In mechanical design variations scheme, tubular sections are directed on different stations on lateral position by circular clamp chain
By.In order to open tubular base, equipped with the wind chamber pair that position is fixed, it has rows of inlet hole.The wind chamber passes through
Pipeline is connected with vacuum pump.Wind chamber along transmission direction, only dispersedly arrange by poor several millimeters of ground.Known design scheme is not
So it can set and be adapted to, the importing of extension disk or similar device can be realized between tubular layer.Relatively, in the prior art
In, on the one hand supporting disk has air-blast atomizer, its air-flow is directed toward the air gap between two film layers.On the other hand,
Two wind chambers pair that are other, operating on the contrary are needed, is extracted out and is laid with using them and intersect bottom.
A kind of bottom molding equipment for hard bottom plate bag machine, is provided with sickle shaped as known to document DE 912 045
Bottom shaping mechanism, the bottom shaping mechanism can be mobile towards the pipe end that is open in advance.Falculate bottom shaping mechanism around
Rotary shaft operation, the rotary shaft are movably placed on a lever arm of the double lever of rotatable bearing.The lever
Arm by setting articulate connecting rod and double lever and the roller of eccentric part is controlled on its end.Pass through bottom shaping mechanism
Rotary shaft around the swing of fulcrum, also implement pendulum except the shuttling movement that bottom shaping mechanism generates except through gearing
It is dynamic.
Unfortunately the embodiment is unstable, because falculate bottom shaping mechanism cannot ensure always
Sufficient bottom-open.Therefore it will appear malfunction in the prior art, the malfunction will lead to operation troubles.This
Outside, the bearing of bottom shaping mechanism is comparatively complicated.
In addition, in the prior art also using the bottom with the rotary type expansion tool for being equipped with upper-part and lower part
Be open station, and the upper-part and lower part is in cyclic motion process by mechanical structure mutually from operation.Unfortunately,
Structure is complicated and easy failure for the expansion tool of this multi-piece type.In addition it is necessary to which this expansion tool is comprehensively arranged.
The equipment of the other kinds of opening for bottom of the tube is for example by document WO 2012/049040 or AT 406 755
Known to B.
Summary of the invention
Corresponding thereto, technical problem to be solved by the present invention lies in provide a kind of as described above for constituting bottom
The drawbacks of equipment of opening, the equipment overcomes or reduces in the prior art.Accordingly, on the one hand the purpose of the present invention is, with
High accuracy and reliability form bottom opening or bottom-open during continuous operation, wherein the knot for the equipment
Structure is as low as possible at that should be kept as.In addition, should also reduce maintenance cost.In addition, should also realize high production speed.
The technical problem is solved by device and method according to the present invention.
According to the present invention, rotatable expansion member has wedge piece, which has at least one in face of rotation side
The lozenges ramped up can make the bag section on open end regions of the bag body of tubulose in bag using the lozenges
Mutually liftoff expansion in the transmission process of body on a conveyor, so as in the bag on open end regions of the bag body of tubulose
Bottom opening is constituted between section.
Therefore in order to open bag body bottom, in this embodiment using the expansion member of wedge shape, the wedge of the expansion member
Shape face rises in face of bag body direction of rotation on a conveyor namely from front end region to the direction in rear end region.?
When the bag body of tubulose is carried through shedding motion, the wedge element of rotation put in the bag body of tubulose on open end regions
Between the bag section that successively front and back is placed, wherein bag section is extruded ground mutually by the lozenges of wedge element risen backward
Expansion.By the opening width of the bottom opening of the bag body of wedge element continuous enlargement tubulose.Advantageously, therefore bottom opening can be with
It is particularly securely molded on the open end regions of the bag body of tubulose.Thus, it is possible to significantly improve the durable of shedding motion
Degree.When the bag section on the open end regions of the bag body in tubulose is carried through shedding motion in horizontal position, wedge
Element preferably has the rotary shaft for leading to bearing surface extension vertical namely perpendicular to bag body on a conveyor.In the reality
It applies in mode, the lozenges of rising and the transporting flat of horizontal plane are angularly arranged, wherein lozenges is according to embodiment
Difference and tilt or dip down upwards from front end to rear end and tiltedly extend.Alternately, opening wide in the bag body of tubulose
End regions on bag section can also for example with the bearing surface on transporting flat at such as 90 ° ground be bent.In the implementation
In mode, wedge element can rotatably be arranged around horizontal rotary shaft.In the case, the lozenges of wedge element is in horizontal plane
In in face of direction of rotation rise arrange.The shuttling movement of wedge element is so mutually coordinated with the conveying speed along conveying device, from
And bottom opening is constituted on the open end regions of the bag body of tubulose.It, can be in tubulose according to the difference of embodiment
Bag body at least one, all constitute (bottom) opening on two outstanding open end regions.For this purpose, the equipment can
To be respectively provided at least one wedge element on two sides, to constitute the opening of bottom opening or top side.Reality according to the present invention
The mode of applying is characterized in that lower structural cost, wherein can save the machinery for popping up multi-piece type expansion tool
Structure.In addition, rotationally supporting for expansion tool is extremely simple.It is also advantageous that wedge-shaped expansion member is in the process of running
It is reliably played a role with high production speed.Maintenance cost can be kept as lower in a cost-effective manner.
The bottom opening on open end regions in order to make the bag body of tubulose is constituted with required opening width, opening
Device has at least two expansion members being sequentially placed before and after the conveying direction of the bag body of tubulose.Preferably, along tubulose
The wedge element configuration that the conveying direction observation of bag body is located at front is used to form the first relatively narrow opening width of bottom opening, and
And the bottom on the open end region for the bag body that the wedge element configuration that conveying direction observation is located behind is used to form tubulose
Wider second opening width of opening.
For this purpose, the wedge element for the expansion member that front and back is sequentially placed has the defeated of bag body different, along tubulose
Send direction ever-increasing wedge shape height, the bearing of the highly preferred bag body perpendicular to tubulose of wedge shape on a conveyor
Face.Accordingly, the maximum extension amount of bearing surface of the wedge shape height namely wedge element of wedge element perpendicular to bag body on a conveyor
It is continuously increased with connecing a wedge element along conveying direction observation, from a wedge element.Thus pass through structure letter in an advantageous manner
Single measure hierarchically constitutes bottom opening.
According to a kind of particularly preferred embodiment, at least one expansion member, preferably each expansion member have use
In the adjustment device of the wedge-shaped height of adjustment expansion member.In this embodiment, wedge-shaped height is adjustable.Advantageously,
Can have to apply in this way and pointedly take adjustment.Adjustment device for example can have the longitudinal guiding extended along short transverse
Portion is used for opposite two sections for adjusting expansion member component in other words.Lock piece additionally can be set, be used to expand
Component is opposite in other words is locked on the relative position set for the section of element.
In order to make the expansion mutually liftoff in opposite direction of the bag section on open end regions of bag body, it is advantageous to
There are two along lozenges, preferably upper wedge face and lower wedge face of the conveying direction phase from operation for wedge element tool, wherein top
Lozenges and lower wedge face preferably respectively with the bearing surface of the bag body of tubulose on a conveyor it is at an acute angle arrange.Thus excellent
Selection of land, in shedding motion, the upper pouch section of the bag body of tubulose squeezes upwardly by the upper wedge of wedge element, wherein
Lower pouch section squeezes downwards by the lower wedge of wedge element.It is possible thereby to particularly securely be constituted in the bag body of tubulose
Bottom opening.Preferably, upper wedge face and lower wedge face are symmetrical about the bag body bearing surface on a conveyor of tubulose
Ground arrangement.It is possible thereby to make the bag section of the bag body of tubulose around the median surface being made of the bearing surface in conveying device equably
Squeeze mutually from, so as to constitute tubulose bag body the bottom opening on open end regions.
In order to realize the continuously shaped of the bottom opening in the bag body of tubulose, it is advantageous to which expansion member, which has, is revolving
Along the conveying direction of the bag body of tubulose mutually overlapped wedge element when turning, wherein the wedge element for being located at front along conveying direction has
There is the recessed sky for passing through the wedge element being located behind along conveying direction.In this embodiment, wedge element is in shuttling movement
When temporarily overlap joint ground arrangement, wherein the front end region for the wedge element being located behind along conveying direction pass through along conveying direction position
In the recessed sky of the wedge element in front.Advantageously, therefore, it is moved from the bag body of tubulose in the wedge element for being located at front along conveying direction
Before out, just protruded into along the wedge element that conveying direction is located behind between the bag section of the bag body of tubulose.Advantageously, exist
Malfunction, especially blocking of the bag body in shedding motion are reliably avoided in the embodiment.
In order to open the bottom section of traditional bag body, it is considered particularly advantageously, lucky three expansion members being arranged,
The expansion member have when rotated overlapped along conveying direction, bag body for protruding into tubulose in open end regions
On bag section between wedge element.The embodiment realizes the lasting molding of bottom opening, wherein largely avoids
Malfunction.
According to a kind of particularly preferred embodiment, wedge element has solid on based on direction of rotation end regions rearward
Section is held, the forward region of the bag body for importing tubulose when the lozenges along the wedge element that conveying direction is subsequent or is located behind
Being held based on the region of conveying direction rearward by the bag body of tubulose when in domain.Advantageously, the bag of tubulose can be made in this way
Body is held in the state of partially open by means of wedge element, and at the same time, the wedge element subsequent along conveying direction is in order to expand
Wide bottom opening and in the open end region of the bag body that puts in tubulose.
In this embodiment advantageously, the fixing section of wedge element has guiding arris, the guiding arris arrangement
In the rear end substantially the same height observed with lozenges along direction of rotation.The height is herein with guiding arris relative to pipe
The spacing of the bearing surface of the bag body of shape on a conveyor is related.When the bottom section of the bag body of subsequent wedge element insertion tubulose
When middle, the open end region under partially open mode of the bag body of tubulose is consolidated by the guiding arris of wedge element
It holds, hierarchically to increase the opening width of bottom opening.
On the one hand in order to realize the overlap joint arrangement of expansion member that successively front and back is placed and on the other hand in order to protecting
Hold the temporary partially open state of the bag body of tubulose, it is advantageous to which wedge element has between lozenges and fixing section to be used
In making the recessed sky passed through along the subsequent wedge element of conveying direction.Accordingly, the wedge element is in (along direction of rotation observation) front end
There is fixing section with lozenges in portion and on rear end, wherein be equipped with and be used between lozenges and fixing section
The recessed sky for the wedge element rotary motion for allowing to be located behind.Therefore wedge element also arranges by the recessed empty part overlap joint, from
And the partially open end regions of the bag body of tubulose is avoided to close up again.
In order to simplify wedge element in the importing in open end regions of the bag body of tubulose, it is advantageous to wedge element
It arcuately, is especially bent to arc-shaped along direction of rotation.Accordingly, the bearing of bag body of the wedge element based on tubulose on a conveyor
Face is arcuately constituted.It is possible thereby to which particularly securely contoured bottom is open.
In order to promote expansion member to be rotated, it is advantageous to wedge element with and driving its coupling shaft element phase
Even, the rotation axis of the shaft element is arranged with being preferably substantially perpendicular to the bearing surface of bag body on a conveyor.Accordingly, wedge member
Part preferably has the rotary shaft of substantially vertical rotation axis namely the bearing surface arrangement for being substantially perpendicular to conveying device
Line.
Structure is simple, in terms of steady implementation advantageously, there is wedge element at least one to be preferably substantially perpendicular to bag
The plate of the bearing surface arrangement of body on a conveyor, shown plate constitute lozenges on end side.Accordingly, lozenges preferably exists
It is constituted on the top edge for the plate substantially vertically erect with the bearing surface in conveying device or lower edge.
For manufacturing technology reasons, it is preferably provided that, there is wedge element at least one to be preferably about parallel to bag body
The diskware of bearing surface arrangement on a conveyor, the diskware are connected in outer edge region with the plate with lozenges.
In open end region in order to the bag body for making expansion member get into tubulose, it is advantageous to which shedding motion exists
There is pre- opening station on conveying directionIt can be by the bag of tubulose using the pre- opening station
From planar the mutual state for reclining placement up and down of bag section on the open end region of body is changed into the state being spaced apart from each other.
On opening station in advance, bottom opening is open to a certain extent, so that the narrow end portion of wedge element be enable simply to protrude into tubulose
Bag body open end region on bag section between.
According to a kind of particularly preferred embodiment, the pre- station that is open has at least one guide element, the guiding member
The guiding face of bag section on open end region of the part with bag body inclined, for tubulose relative to conveying direction,
In, the guiding face is connected with for bag section to be inhaled the suction element on guiding face.When by pre- opening station, tubulose
Bag body open end region on bag section conveyed along the guiding face of guide element, wherein bag section by suction member
Part is kept in contact with guiding face.Due to the inclination arrangement of guiding face, this bag of section is when along pre- opening station conveying relative to another
One bag section is separate, so that the bag section on the open end region of the bag body of tubulose from planar mutually reclines up and down
The state of placement is changed into the state of bottom opening partly open that is being spaced apart from each other.
In order to realize bag body from pre- opening direct transfer of the station at least one expansion member, it is advantageous to pre-
At least one guide element of opening station is observed along conveying direction and is arranged at least one expansion member overlap joint.Accordingly, one
Denier bag section opens up into substantially maximum open width in opening station in advance, and wedge element is inserted between the bag section of bag body.
It is therefore advantageous that may be implemented to constitute the continuous transition between bottom opening in opening station in advance and using expansion member.It is excellent
It is selected between the pre- opening station and expansion member with inclined guiding face and is not provided with other shedding motions.
In order to discharge bottom opening when transporting the bag body of tubulose, it is advantageous to equipped with for driving with guiding face
The driving element of guide element.In guide element movement, bag section is retained on guiding face by suction element.
In this embodiment advantageously, guide element has the guide strips, especially for no reason being connected with driving element
Scalp band constitutes the guiding face of the bag section on the open end region for the bag body of tubulose on the guide strips.According to
This, when the bag body of tubulose is conveyed by the station that is open in advance, pump orifice is preferably as guide strips guide together.In the implementation
At least one driven roller is set as driving element, guide strips are run in the driven roller in mode.It is preferably set up two
The Endless belt of a driven roller, the guiding face with the bag body for tubulose is wound around the driven roller.
In order to evenly or uniformly manufacture bottom opening on the open end region of the bag body of tubulose, it is advantageous to
For opening station tool there are two guide element, the guide element has bag along conveying direction phase from operation, for tubulose in advance
The guiding face of bag section on the open end region of body.In a preferred embodiment, the guide element on top is equipped with
The top guiding face risen upwards along conveying direction, and the guide element of lower part is equipped with along the lower part that conveying direction declines downwards
Guiding face.In a kind of alternative embodiment, the bag body of tubulose is perpendicularly bent toward in open end region with transporting flat.
In this embodiment, the guide element of opening station is horizontally arranged in advance, wherein the spacing between guiding face is in conveying direction
It is upper constantly to increase.
In order to be retained on bag section on guiding face when being carried through pre- opening station, it is advantageous to suction element tool
There is at least one that the pump orifice for suction bag section on guiding face is set.The pump orifice forms device phase with negative pressure
Even, the negative pressure forms device and inhales relevant bag section on guiding face.
According to a kind of particularly preferred embodiment, just what a pump orifice is arranged on guiding face.Preferably
In, bag section is retained on corresponding guiding face when being carried through pre- opening station by only one pump orifice.With it is existing
There is the suction hole sequence used in technology with multiple rules (to be only able to achieve using the suction hole sequence relatively small
Opening angle) suction belt compare, which is unexpectedly proved to be more favorable.This office of the prior art
The reason of limit, is that pump orifice before and after successive will lead to when opening bag body with smaller angle forms stress in bag body, and
The stress can then be such that bag body loosens from guiding face.For this reason, in the prior art along conveying direction in suction belt
The suction box pair of another pre- shedding motion, especially pressure air nozzle and inverted running can be also set later, to realize bag
The folding of bottom.Correspondingly thereto, the arrangement of only one pump orifice can be such that bag body is inhaled dottedly to lead on guiding face
Draw on face.Guiding face can have with respect to bigger inclination angle compared with transporting flat, without prolonging along the master of bag section as a result,
It stretches to form stress.Advantageously, thus it is retained on bag body reliably on guiding face.Pass through the dotted attraction to bag section, the bag
On the one hand on the other hand section can be linearly mounted along curve.It, can be near guiding face according to the difference of application
Negative pressure chamber is correspondingly set.
It further preferably provides, the Endless belt for constituting guide element has lucky two pump orifices.In the embodiment party
In formula, setting Endless belt is equipped with lucky two pump orifices as guide element, the Endless belt.Two pump orifices it
Between spacing be preferably roughly equivalent to the half (namely half of perimeter) of Endless Belt Length.If be carried through in bag body
This pump orifice is arranged on guiding face when pre- opening station, then another pump orifice be then in Endless belt and bag body
On opposite side.Thus this pump orifice works, and another pump orifice is inoperative.For Endless
For belt is run in a short time, two pump orifices can all be inoperative.Especially driven when two pump orifices are in
Even more so when in the region of dynamic roller, the driven roller drives Endless belt.
A kind of embodiment is particularly preferred, wherein there is pre- opening station at least one negative pressure to form unit, described
Negative pressure forms unit and has the negative pressure chamber adjacent with the guiding face for the guide element for being equipped with pump orifice.The preferred cloth of negative pressure chamber
It sets in the shell inside guide element, the guide element preferably has Endless belt.The negative pressure chamber on this one side
Device is formed with negative pressure by suction pipeline to be connected.Endless belt is directed through negative pressure chamber, the nothing on another side
Headpiece belt has pump orifice.It is placed in relevant bag section on the guide element of Endless belt.
In addition, the method that the technical problems to be solved by the invention also pass through the above-mentioned type solves, wherein rotatable expansion
Opening element has the wedge element at least one lozenges risen in face of direction of rotation, can make pipe using the lozenges
The mutually liftoff expansion in bag body transmission process on a conveyor of bag section on the open end region of the bag body of shape, so as to
Bottom opening is constituted between the bag section on the open end region of the bag body of tubulose.
Detailed description of the invention
Below by preferred embodiment, the present invention is further explained, however the embodiment should not constitute limit to the present invention
System.In the accompanying drawings:
Fig. 1 a schematically shows the schematic diagram of the equipment for manufacturing sack, and which provided according to the present invention for beating
Open the shedding motion of the bottom section of bag body；
Fig. 1 b schematically shows the part of the pre- opening station of equipment according to fig. 1a；
The part that Fig. 2 to Fig. 7 shows shedding motion according to fig. 1a is constituted when bag is open by wedge-type expansion member
View, the expansion member make the mutually liftoff expansion of bag section that front and back is sequentially placed on the open end region of the bag body of tubulose.
Specific embodiment
Fig. 1 a shows a part of the equipment 1 for manufacturing sack, wherein material roll, especially made of textile material
Material roll is processed to hard bottom plate bag or hard bottom plate bag valve in multiple and different stations.The equipment 1, which has, (to be not shown
) cutter device or separator, for material roll to be cut into the bag body 2 of tubulose.The bag body 2 of the tubulose is mutual by two
" the composition, wherein each bag of section 2 ', 2 " can be made of the layer of multiple and different materials of bag section 2 ', 2 placed up and down.Pipe
The bag body 2 of shape is transferred in conveying device 3.In conveying device 3, bag body 2 is before and after successive in the substantially water of conveying device 3
Prolonged along conveying direction 5 transverse to the longitudinal direction that it schematically shows in Fig. 2 on flat bearing surface 4 with the recline state of placement of planar
Axis 6 is stretched to be conveyed.
Such as Fig. 1 a, also refer to Fig. 2 to Fig. 6 further shown in, conveying device 3 is connected with shedding motion 7, the shedding motion
For the bag section 2 ', 2 on the open end region 9 of the bag body 2 of tubulose " between constitute bottom opening 8.Shedding motion 7 has
There is pre- opening station 23, using the pre- opening station by bag section 2 ', 2 on the open end region 8 of the bag body 9 of tubulose "
The state of placement of capable of reclining above and below planar ground is changed into the state being spaced apart from each other.
As shown in Figure 1a, opening station 23 has with the upper of the top guiding face 24 ' ramped up along conveying direction 5 in advance
Portion's guide element 24 simultaneously has the lower part guide element 25 with the lower part guiding face 25 ' declined downwards along conveying direction 5.Institute
Show and Endless belt is set in embodiment as guide element 24,25, the guide element driven rolls 24 ", 24 " ' drive.
Guide element 24,25 is respectively and for being sucked corresponding bag section 2 ', 2 " suction element 26 be connected.26 phase of suction element
There is at least one pump orifice 26 ' on the guiding face 24 ', 25 ' of Endless belt with answering.In this embodiment, each
Endless belt all has lucky two pump orifices 26 ' (referring to Fig.1 b).
As shown in Figure 1 b, opening station 23 is respectively provided with and forms unit 27 for the negative pressure of each guide element 24,25 in advance.
Negative pressure forms unit 27 and is respectively provided with negative pressure chamber 27 ', the negative pressure chamber and top guide element 24 or lower part guide element
25 guiding face 24 ', 25 ' adjacently extends.Negative pressure chamber 27 ' is arranged in shell 27 " in, the shell is arranged in guide element
24,25 inside.In order to above apply negative pressure in the pump orifice 26 ' of guide element 24,25, negative pressure chamber 27 ' passes through suction pipeline
27 " ' be connected with (unshowned) negative pressure formation device, such as vacuum pump.When the bag body 2 of tubulose is directed through pre- opening station 23
When, bag section 2 ', 2 " sticks on along guiding face 24 ', 25 ' of 5 phase of conveying direction from operation.Bag section 2 ', 2 as a result, are " continuous
Ground from advance opening station 23 input end planar ground above and below recline placement state be changed into be spaced apart from each other, partly open bottom
The state of portion's opening 8.
As further shown in Fig. 1 a, shedding motion 7 has multiple expansions along conveying direction 5 after pre- opening station 23
Element 10 is opened, the expansion member is rotatably supported rotating around vertical rotation axis 11.It is abundant by the station 23 that is open in advance
Open tubulose bag body 2 bottom opening 8, thus enable expansion member 10 get into tubulose bag body 2 open end region 9
On bag section 2 ', 2 " between.Expansion member 10 is put in rotary motion on the open end region 9 of the bag body 2 of tubulose
Bag section 2 ', 2 " between, wherein constitute bottom opening 8.
As further shown in Fig. 1 a, shedding motion 7 has bottom fold station 28 along conveying direction 5, rolls in the bottom
The geometry of opening is set to be in the state of the rectangle standardized by pin element 29 in folded station.Since then, the bag body 2 of tubulose is with this
Mode known to body is processed into the sack that preparation is completed.
The expansion member 10 when constructing bottom opening 8 in different phase is shown into Fig. 7 in Fig. 2.The bag body 2 of tubulose
The state (as shown in Fig. 3 to Fig. 7) of placement of capable of being reclined up and down with planar ground in a horizontal plane herein is pumped through opening
Device 7.Alternately, bottom section is also possible to curved (as illustrated schematically in fig. 2) when conveying is by shedding motion 7.
According to fig. 2,3, the bag body 2 of the tubulose of the bottom opening 8 with fractional open is conveyed from pre- opening station 23 just
To expansion member 10.According to Fig. 3 to Fig. 7, the opening width of bottom opening 8 hierarchically increases, so that bottom opening 8 be made to expand
It is completely open after element 10.
As shown in Figures 2 to 7, the expansion member 10 rotatably supported is respectively provided with wedge element 12, in the wedge element
On be configured in face of direction of rotation 13 namely from front end region rear end portion region rise lozenges 14.In the bag of tubulose
When conveying in conveying device 3, wedge element 12 is forced on the open end region 9 of the bag body 2 of tubulose body 2 using lozenges 14
Mutually opposed bag section 2 ', 2 " is constantly located remotely from each other, thus in 9 area Shang Dai of the open end region of the bag body of tubulose 2
Section 2 ', 2 " between formed bottom opening 8.Each wedge element 12 have for upper pouch section 2 ' upper wedge face 14 ' and
For lower pouch section 2 " lower wedge face 14 ".The lozenges 14 ' of wedge element 12,14 are " respectively with the bag body of tubulose 2 defeated
The horizontal bearing surface 4 on device 3 is sent to arrange at an acute anglely.
As further shown in Fig. 2 to Fig. 7, wedge element 12 with substantially perpendicularly namely with bag body 2 in conveying device 3
The vertically arranged shaft element 15 of bearing surface 4 be connected, (unshowned) driver drives the shaft element to be rotated.
In the illustrated embodiment, lozenges 14 is formed on the panel element 16 substantially vertically erect.It is located at along the observation of conveying direction 5
The wedge element 12 ' in front has only one panel element 16.Wedge element 12 is located in the middle along the observation of conveying direction 5 " and along defeated
Direction 5 is sent to observe the wedge element 12 " ' be respectively provided with upper plate member 16 ' and lower plate member 16 " being located behind, upper board is first
Part has upper wedge face 14 ' in upper end side, and lower plate member has lower wedge face 14 in lower end side ".Plate member
Part 16；16 ', 16 " it is bent in a top view according to 13 arc-shaped of direction of rotation.In addition, wedge element 12 has substantially in water
On the one hand the diskware 17 extended in average face, the diskware are coupled with shaft element 15, are on the other hand carried in outer edge region
With lozenges 14；14 ', 14 " panel element 16.
As further shown in Fig. 2 to Fig. 7, shedding motion 7 in the illustrated embodiment has that there are three the bag bodies 2 along tubulose
The expansion member 10 being sequentially placed before and after conveying direction 5.Each expansion member 10 has wedge element 12, and the wedge element has not
The wedge-shaped height h that the conveying direction 5 of bag body 2 same, along tubulose increases.Wedge-shaped height h along direction of rotation 11 herein by seeing
Spacing of the bag body 2 of the rear end and tubulose of examining lozenges 14 between the bearing surface 4 in conveying device 3 measures.Bottom as a result,
Wedge element 12 of opening width b (referring to Fig. 6) of opening 8 connects 12 ground of wedge element and incrementally increases.
As further shown in Fig. 2 to Fig. 7, wedge element 12 is observed along conveying direction 5 take by recessed empty 18 part when rotated
Ground connection arrangement, so as to realize bottom opening 8 opening width b continuous growth.For this purpose, position is observed along conveying direction 5
Wedge element 12 ' in front has for making subsequent along conveying direction 5, " the recessed sky passed through that is located in the middle wedge element 12
18′.Correspondingly, intermediate wedge element 12 " has for allowing to observe the wedge element 12 being located behind along conveying direction 5 " ' rotation
Recessed empty 18 " of movement.
As further shown in Fig. 2 to Fig. 7, wedge element 12 has fixing area on the rear end region based on direction of rotation 13
Section 19, using the fixing section, by bag section 2 ', 2, " Background Region based on conveying direction 5 is maintained at current open shape
State, at the same time, the lozenges 14 of the wedge element 12 subsequent along conveying direction 5 import the bag section 2 ', 2 of the bag body 2 " front
In region 21.For this purpose, the fixing section 19 of wedge element 12 has at least one guiding arris 22, in illustrated embodiment
In, it is respectively provided with a top guiding arris 22 ' and lower part guides arris 22 ", the top guiding arris and lower part guide edge
Rib is arranged in and the related lozenges 14 ' of each wedge element 12,14, and " rear end observed along direction of rotation 13 is substantially the same
In height.
In the illustrated embodiment, on the one hand, the wedge element 12 ' for being located at front along the observation of conveying direction 5, which has, to be associated with
The upper pouch section 2 ' of the bag body 2 of tubulose and lower pouch section 2 " holding section 19 '.It is possible thereby to be reliably achieved tubulose
Bag body 2 is from the wedge element 12 ' in front to intermediate wedge element 12 " transfer.On the other hand, it is observed along conveying direction 5 in being located at
Between wedge element 12 " have corresponding fixing section 19 ", to realize that bag body 2 observes the wedge being located behind to along conveying direction 5
Element 12 " ' reliable transfer.
The label " lower section " of arrangement for different components, such as wedge element and " top " in the disclosure for example with
In preferred operating status, wherein 2 ', 2 " quilt in horizontal position of bag section on the open end region 9 of the bag body 2 of tubulose
Conveying.It is " for example curved with 90 ° relative to transporting flat it is obvious that a kind of embodiment also can be set, wherein bag section 2 ', 2
It is bent.In this embodiment, the component of equipment, such as wedge element 12 are then with corresponding angle tilt.
Claims (22)
1. a kind of for constituting bottom between the bag section (2 ', 2 ") on open end regions (9) in the bag body of tubulose (2)
The equipment of portion's opening (8), the equipment have conveying direction (5) delivery bag for extending (6) for the longitudinal direction transverse to bag body
The conveying device (3) of body (2), and the equipment also has for the bag body (2) in tubulose in open end regions (9)
On bag section (2 ', 2 ") between constitute bottom opening (8) shedding motion (7), wherein the shedding motion (7) have extremely
Lack one around rotation axis (11) rotatable expansion member (10), the expansion member can import the bag of tubulose when rotated
Body (2) between the bag section (2 ', 2 ") on open end regions (9), which is characterized in that the shedding motion (7) tool
There are at least two expansion members (10) along conveying direction (5) arranged in succession of the bag body (2) of tubulose, wherein each rotatable
Expansion member (10) all have at least one in face of direction of rotation (13) rise lozenges (14；14 ', 14 " wedge)
Element (12；12 ', 12 ", 12 " '), using the lozenges can make the bag body (2) of tubulose in open end regions (9)
On bag section (2 ', 2 ") mutually liftoff expansion in the transmission process that bag body is located on conveying device (3), so as in the bag of tubulose
Body (2) constitutes bottom opening (8) between the bag section (2 ', 2 ") on open end regions (9), and arranged in succession
The wedge element (12 of expansion member (10)；12 ', 12 ", 12 " ') conveying direction (5) with bag body (2) different, along tubulose
The wedge shape height (h) constantly increased.
2. equipment according to claim 1, which is characterized in that wedge element (12) tool there are two along conveying direction (5) mutually from
The lozenges of operation.
3. equipment according to claim 2, which is characterized in that wedge element (12) has along conveying direction (5) mutually from operation
Upper wedge face (14 ') and lower wedge face (14 "), wherein the upper wedge face (14 ') and lower wedge face (14 ")
Respectively with bearing surface (4) of the bag body of tubulose (2) on conveying device (3) it is at an acute angle arrange.
4. equipment according to claim 1 or 2, which is characterized in that expansion member (10) has when rotated along tubulose
The conveying direction (5) of bag body (2) overlapped wedge element (12；12 ', 12 ", 12 " '), wherein it is located at the wedge in front along conveying direction
Element (12；12 ', 12 ") have for making the wedge element (12 subsequent along conveying direction (5)；12 ", 12 " ') the recessed sky that passes through
(18)。
5. equipment according to claim 4, which is characterized in that lucky three expansion members (10) of setting, the expansion member
Part has when rotated along conveying direction (5) overlapped wedge element (12；12 ', 12 ", 12 " '), for importing the bag body of tubulose
(2) between the bag section (2 ', 2 ") on open end regions (9).
6. equipment according to claim 1, which is characterized in that wedge element (12；12 ', 12 ", 12 " ') it is being based on rotation side
There is fixing section (19 on the rear end region of (13)；19 ', 19 "), in the wedge being located behind along conveying direction (5)
Element (12；12 ", 12 " ') lozenges (14) bag body (2) that imports tubulose front area (21) in when to the bag body of tubulose
(2) Background Region (20) based on conveying direction (5) is held.
7. equipment according to claim 6, which is characterized in that wedge element (12；12 ', 12 ", 12 " ') fixing section
(19；19 ', 19 ") there is guiding arris (22), the guiding arris is arranged in and lozenges (14；14 ', 14 ") along direction of rotation
(13) in the identical height in rear end observed.
8. equipment according to claim 6 or 7, which is characterized in that wedge element (12；12 ', 12 ", 12 " ') in lozenges
(14；14 ', 14 ") with fixing section (19；19 ', 19 " there is the wedge element for making to be located behind along conveying direction (5) between)
(12；12 ", 12 " ') recessed empty (18) that pass through.
9. equipment according to claim 1, which is characterized in that wedge element (12；12 ', 12 ", 12 " ') along direction of rotation
(13) it is bent.
10. equipment according to claim 9, wherein wedge element (12；12 ', 12 ", 12 " ') along direction of rotation (13) circular arc
Shape it is bent.
11. equipment according to claim 1, which is characterized in that wedge element (12；12 ', 12 ", 12 " ') with and driver coupling
Shaft element (15) even is connected, the rotation axis (11) and the bearing surface of bag body (2) on conveying device (3) of the shaft element
(4) vertically arranged.
12. equipment according to claim 1, which is characterized in that wedge element (12；12 ', 12 ", 12 " ') there is at least one
With bearing surface (4) vertically arranged plate (16 of the bag body (2) on conveying device (3)；16 ', 16 "), the plate is in end side
Upper composition lozenges (14；14′,14″).
13. equipment according to claim 12, which is characterized in that wedge element (12；12 ', 12 ", 12 " ') have at least one
A diskware (17) being parallelly arranged with the bearing surface (4) of bag body (2) on conveying device (3), the diskware is in outer edge area
It is connected on domain with the plate (16) with lozenges (14,14 ', 14 ").
14. equipment according to claim 1, which is characterized in that shedding motion (7) has pre- opening station (23), utilizes
The pre- opening station can make the bag section (2 ', 2 ") on open end regions (9) of the bag body (2) of tubulose from planar
The recline up and down state of placement of ground is changed into the state being spaced apart from each other.
15. equipment according to claim 14, which is characterized in that be open station (23) in advance at least one guide element
(24,25), the guide element is with bag body (2) inclined, for tubulose relative to conveying direction (5) at open end
The guiding face (24 ', 25 ') of bag section (2 ', 2 ") on portion region (9), wherein guiding face (24 ', 25 ') with for by bag area
Section (2 ', 2 ") inhales the suction element (26) on guiding face (24 ', 25 ') and is connected.
16. equipment according to claim 15, which is characterized in that be equipped with for driving with guiding face (24 ', 25 ')
The driving element (24 ", 24 " ') of guide element (24,25).
17. equipment according to claim 14, which is characterized in that guide element (24,25) have with driving element (24 ",
24 " ') connected guide strips, constituted on the guide strips bag body (2) for tubulose in open end regions
(9) guiding face (24 ', 25 ') of the bag section (2 ', 2 ") on.
18. equipment according to claim 17, which is characterized in that the guide strips are Endless belts.
19. equipment according to claim 15, which is characterized in that in advance be open station (23) tool there are two guide element (24,
25), the guide element have along conveying direction (5) mutually from operation, bag body (2) for tubulose in open end region
The guiding face (24 ', 25 ') of bag section (2 ', 2 ") on domain (9).
20. equipment according to claim 15, which is characterized in that there is suction element (26) at least one setting to guide
Pump orifice (26 ') on face (24 ', 25 '), for one of bag section (2 ', 2 ") to be sucked.
21. equipment according to claim 20, which is characterized in that there is opening station (23) at least one negative pressure to be formed in advance
Unit (27), the negative pressure formed unit have with the guiding face of the guide element (24,25) that is equipped with pump orifice (26) (24 ',
25 ') adjacent negative pressure chamber (27 ').
22. a kind of for constituting between the bag section (2 ', 2 ") on open end regions (9) in the bag body of tubulose (2)
The method of bottom opening (8), wherein the conveying direction (5) that bag body (2) extends (2a) transverse to the longitudinal direction of bag body is conveyed,
And during transportation, around the bag body (2) of expansion member (10) the importing tubulose of rotation axis (11) rotation open
Between bag section (2 ', 2 ") on end regions (9), which is characterized in that shedding motion (7) has at least two bags along tubulose
The expansion member (10) of conveying direction (5) arranged in succession of body (2), wherein each rotatable expansion member (10) has
The lozenges (14 risen at least one in face of direction of rotation (13)；14 ', 14 " wedge element (12)；12′,12″,
12 " '), wherein the wedge element (12 of the expansion member (10) of arranged in succession；12 ', 12 ", 12 " ') have it is different, along tubulose
The conveying direction (5) of bag body (2) constantly increase wedge shape height (h), wherein the bag body (2) of tubulose in open end region
Bag section (2 ', 2 ") mutually liftoff expansion in the transmission process that bag body is located on conveying device (3) on domain (9), so as in pipe
The bag body (2) of shape constitutes bottom opening (8) between the bag section (2 ', 2 ") on open end regions (9).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ATA50354/2014A AT515831B1 (en) | 2014-05-20 | 2014-05-20 | Apparatus and method for forming a bottom opening |
| ATA50354/2014 | 2014-05-20 | ||
| PCT/AT2015/050127 WO2015176094A1 (en) | 2014-05-20 | 2015-05-20 | Device and method for forming a bottom opening on a bag body |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106660295A CN106660295A (en) | 2017-05-10 |
| CN106660295B true CN106660295B (en) | 2019-01-29 |
Family
ID=53489724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201580033390.5A Active CN106660295B (en) | 2014-05-20 | 2015-05-20 | For constituting the device and method of the bottom opening of bag body |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP3148788B1 (en) |
| CN (1) | CN106660295B (en) |
| AT (1) | AT515831B1 (en) |
| BR (1) | BR112016026891B1 (en) |
| TW (1) | TWI640420B (en) |
| WO (1) | WO2015176094A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110281583A (en) * | 2019-07-24 | 2019-09-27 | 浙江正信机械有限公司 | Bottom pocket creasing mechanism for non-woven fabric solid bag producer |
| EP4149748A4 (en) * | 2020-05-11 | 2024-06-19 | Lohia Corp Limited | An apparatus and a method for opening ends of tubular web pieces to make block bottom bags |
| CN112722463B (en) * | 2021-03-01 | 2023-04-07 | 广东宏川环宇智能装备有限公司 | Four-side sealing device of high-speed packaging machine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE640287C (en) * | 1933-09-21 | 1936-12-29 | Verpackungsbedarf G M B H | Device for raising cross floors |
| DE2232165A1 (en) * | 1971-08-19 | 1973-02-22 | Akerlund & Rausing Ab | CLOSING FLAP FOLDING DEVICE |
| DE2754290A1 (en) * | 1976-12-13 | 1978-06-15 | Azionaria Costruzioni | MACHINE FOR BUILDING AND FILLING BAGS |
| US5279095A (en) * | 1990-08-22 | 1994-01-18 | Sig Schweizerische Industrie-Gesellschaft | Apparatus for spreading open flat bags |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE912045C (en) | 1952-02-17 | 1954-05-24 | Fischer & Krecke Kg | Bottom laying device for cross bottom bag machines |
| DE1611701B1 (en) * | 1967-09-01 | 1971-10-07 | Windmoeller & Hoelscher | Method and device for opening the ends of transversely conveyed flat-lying hose pieces in the manufacture of the cross bottoms of sacks and bags in soil-making machines |
| AT406755B (en) | 1998-10-05 | 2000-08-25 | Starlinger & Co Gmbh | DEVICE FOR OPENING TUBULAR BAG BODIES |
| EP2441574B1 (en) | 2010-10-14 | 2013-05-15 | Starlinger & Co Gesellschaft m.b.H. | Method and device for constructing open bases at end sections of tubular bag bodies |
-
2014
- 2014-05-20 AT ATA50354/2014A patent/AT515831B1/en active
-
2015
- 2015-05-19 TW TW104115894A patent/TWI640420B/en active
- 2015-05-20 WO PCT/AT2015/050127 patent/WO2015176094A1/en active Application Filing
- 2015-05-20 CN CN201580033390.5A patent/CN106660295B/en active Active
- 2015-05-20 EP EP15731827.0A patent/EP3148788B1/en active Active
- 2015-05-20 BR BR112016026891-1A patent/BR112016026891B1/en active IP Right Grant
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE640287C (en) * | 1933-09-21 | 1936-12-29 | Verpackungsbedarf G M B H | Device for raising cross floors |
| DE2232165A1 (en) * | 1971-08-19 | 1973-02-22 | Akerlund & Rausing Ab | CLOSING FLAP FOLDING DEVICE |
| DE2754290A1 (en) * | 1976-12-13 | 1978-06-15 | Azionaria Costruzioni | MACHINE FOR BUILDING AND FILLING BAGS |
| US5279095A (en) * | 1990-08-22 | 1994-01-18 | Sig Schweizerische Industrie-Gesellschaft | Apparatus for spreading open flat bags |
Also Published As
| Publication number | Publication date |
|---|---|
| AT515831A1 (en) | 2015-12-15 |
| EP3148788B1 (en) | 2017-10-18 |
| TW201600325A (en) | 2016-01-01 |
| AT515831B1 (en) | 2016-07-15 |
| WO2015176094A1 (en) | 2015-11-26 |
| CN106660295A (en) | 2017-05-10 |
| TWI640420B (en) | 2018-11-11 |
| EP3148788A1 (en) | 2017-04-05 |
| BR112016026891B1 (en) | 2021-02-23 |
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