CN108146019A - Bag with square bottom production line - Google Patents
Bag with square bottom production line Download PDFInfo
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- CN108146019A CN108146019A CN201611105570.2A CN201611105570A CN108146019A CN 108146019 A CN108146019 A CN 108146019A CN 201611105570 A CN201611105570 A CN 201611105570A CN 108146019 A CN108146019 A CN 108146019A
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- film cylinder
- bag
- square bottom
- production line
- boiling hot
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 41
- 238000009835 boiling Methods 0.000 claims abstract description 43
- 238000002788 crimping Methods 0.000 claims abstract description 42
- 206010053615 Thermal burn Diseases 0.000 claims abstract description 17
- 238000005520 cutting process Methods 0.000 claims abstract description 13
- 238000000465 moulding Methods 0.000 claims description 25
- 239000002184 metal Substances 0.000 claims description 19
- 229910052751 metal Inorganic materials 0.000 claims description 19
- 238000007493 shaping process Methods 0.000 claims description 18
- 238000010438 heat treatment Methods 0.000 claims description 12
- 238000011144 upstream manufacturing Methods 0.000 claims description 8
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 12
- 230000007704 transition Effects 0.000 description 12
- 238000010586 diagram Methods 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000003825 pressing Methods 0.000 description 3
- 206010037660 Pyrexia Diseases 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012261 overproduction Methods 0.000 description 1
- 229940126589 solid medicine Drugs 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- TUTLDIXHQPSHHQ-UHFFFAOYSA-N tin(iv) sulfide Chemical compound [S-2].[S-2].[Sn+4] TUTLDIXHQPSHHQ-UHFFFAOYSA-N 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Abstract
The present invention provides a kind of bag with square bottom production line, it includes：The carry-over pinch rolls of at least one rotation, for drawing the movement of film cylinder；A pair is inserted into the insert edge backing plate of the inside edge of film cylinder；One group scalds crimping unit, and boiling hot crimping unit is pairs of to be arranged in above and below insert edge backing plate；One group scalds base device, scalds base device and is arranged in above and below film cylinder.Boiling hot crimping unit and boiling hot base device by setting, it successively can heat and bond to form flanging and base on inside edge film cylinder Bag Material, bag with square bottom can be obtained after after cutting, this bag with square bottom has two layers of connection structure in the both sides of bottom, one layer is cementing line that four flangings are formed, another layer is the connection structure formed by the base bonded, and which increase the intensity of bag with square bottom.And it is an entirety in side, jointless structure, which in turns increases the intensity of bag with square bottom using the bag with square bottom of production line of the present invention production.And the bag with square bottom of this structure also allows for cutting.
Description
Technical field
The present invention relates to a kind of bag with square bottom production field, particularly a kind of bag with square bottom production line.
Background technology
The types such as existing medical plastic bag bag bottom structure has a word flat bag underseal to cut, round bag underseal is cut.A wherein word flat
Bag underseal cutting process is relatively simple, and process costs are relatively low, but word flat bottom bag has fortune when shipping bulk solid medicine
Defeated low space utilization, the shortcomings of easily residual in toppling process；And the technical process that round bag underseal is cut is also complex, into
This is higher, and round bag bottom transport space utilization rate is relatively low.
Also there are a kind of bag with square bottom, such as the record of 202848245 U of Chinese patent literature CN, Yi Zhongfang in the prior art
Bottom bag, bottom bag are equipped with oblique hot pressing side, and bottom squarely after the plastic bag unfolding of the side of making bottom can fully connect with rectangular article
It touches, in bulk cargo utilization, can also save transport space, save material, reduce production cost.
104943235 A of Chinese patent literature CN describe a kind of bag with square bottom side layer formation mechanism, including making along flowing water
Input module, steering assembly, flange component, material stock component and the inflection component that industry direction is set gradually；The steering assembly
Pan feeding direction and discharging direction are in 90 degree of angles；The inflection component includes multiple side layers by material storing mechanism output and is oriented to
Transmit the guide roller of the L-shaped inflection transport path of shape.It can be incited somebody to action by the setting steering assembly in mechanism and inflection component straight
Linear assembly line forms the three-dimensional structure of bending, and such structure floor space is small, compact-sized, conducive to main pipeline it
Between linking and integrated, reduce floor space.But the mechanism is to glue upper film, lower film, counterdie and side layer by assembly line
Connect, device structure is complex, using upper film, lower film, counterdie and side layer it is compound by the way of produced, bag with square bottom
Intensity can be affected.
Invention content
The technical problems to be solved by the invention are to provide a kind of bag with square bottom production line, can continuously roll over production integration
The bag with square bottom of folded bonding, and production efficiency is high, the intensity of bag with square bottom finished product is higher.
In order to solve the above technical problems, the technical solution adopted in the present invention is：A kind of bag with square bottom production line, it includes：
The carry-over pinch rolls of at least one rotation, for drawing the movement of film cylinder；
A pair is inserted into the insert edge backing plate of the inside edge of film cylinder；
One group scalds crimping unit, and boiling hot crimping unit is pairs of to be arranged in above and below insert edge backing plate；
One group scalds base device, scalds base device and is arranged in above and below film cylinder.
In preferred scheme, the carry-over pinch rolls are the traction two pairs of rollers arranged in pairs by driving device driving rotation；
Or the carry-over pinch rolls are by the film cylinder driven roller of driving device driving rotation, are set in the both sides of film cylinder driven roller
It is useful for the roller of increase film cylinder cornerite in film cylinder driven roller.
In preferred scheme, it is additionally provided with tension-adjusting gear；
The tension-adjusting gear is damp type tension-adjusting gear, is tensioned roll-type tension-adjusting gear or roller tension
Regulating device.
In preferred scheme, the boiling hot base device is arranged on the downstream of boiling hot crimping unit.
In preferred scheme, pressure crimping unit is equipped in the downstream for scalding crimping unit；
Pressure base device is equipped in the downstream for scalding base device.
In preferred scheme, the structure of the boiling hot crimping unit and boiling hot base device is connect for block with lifting gear,
The block is heating element, to heat simultaneously bonding film cylinder.
In preferred scheme, in the boiling hot crimping unit, position that heating element is contacted with film cylinder is an oblique line, oblique line
A vertical line is connected close to the end of film cylinder center line；
In the boiling hot base device, the position that heating element is contacted with film cylinder is a horizontal line, in hot pressure film cylinder, the horizontal line
The vertical line formed with boiling hot crimping unit intersects.
In preferred scheme, in the boiling hot crimping unit and boiling hot base device, embedded with metal piece is equipped in block, is inlayed
Sheet metal is equipped with the protrusion contacted with film cylinder, and the coil of heating embedded with metal piece is equipped on the inside of embedded with metal piece.
In preferred scheme, cutter device is additionally provided in the most downstream of production line；
The cutter device is the blade driven by lifting gear；
Or the cutter device is the blade run along film cylinder width direction, blade is connect with driving device.
In optional scheme, insert edge molding machine is equipped in the upstream of production line, insert edge molding machine is located at blown film device
Above or below；
It is set in the insert edge molding machine there are two opposite fork strap, fork strap is used to be formed in film cylinder both sides and fold inward
Flanging；
The shaping frame that film cylinder is made gradually to flatten is additionally provided in insert edge molding machine, shaping frame is located at the both sides of fork strap.
In another optional scheme, negative pressure insert edge molding machine is equipped in the upstream of production line；
The structure of the negative pressure insert edge molding machine is：Negative pressure insert edge molding machine has a cavity, which is equipped with an entrance
With an outlet, film cylinder strip enters from entrance, is discharged from outlet, and the entrance and exit of cavity is flat structure, in cavity
Portion's height increase, in the cavity equipped with fork strap；
The upper wall and lower wall of cavity are vacuum cavity structure, and the inner wall of vacuum cavity is equipped with multiple stomatas, and outer wall is equipped at least one
A vacuum orifice.
A kind of bag with square bottom production line provided by the invention, boiling hot crimping unit and boiling hot base device by setting, Neng Gou
With successively heating and bonding to form flanging and base on inside edge film cylinder Bag Material, bag with square bottom can be obtained after cleaved, is such as schemed
Shown in 12d, this bag with square bottom has two layers of connection structure in the both sides of bottom, and one layer is cementing line that four flangings are formed,
Another layer is the connection structure formed by the base bonded, and which increase the intensity of bag with square bottom.And use production line of the present invention
The bag with square bottom of production is an entirety in side, and jointless structure, which in turns increases the intensity of bag with square bottom.It is and this
The bag with square bottom of structure also allows for cutting.
Description of the drawings
The invention will be further described with reference to the accompanying drawings and examples：
Fig. 1 is the overall structure diagram of the present invention.
Fig. 2 is the structure diagram of insert edge molding machine in the present invention.
Fig. 3 is the side view of centerboard part of the present invention.
Fig. 4 is the front view of centerboard part of the present invention.
Fig. 5 is the vertical view of film cylinder driven roller in the present invention.
Fig. 6 is schematic diagram when the gradual flanging of film cylinder deforms in the present invention.
Fig. 7 is the overlooking the structure diagram that crimping unit is scalded in the present invention.
Fig. 8 is the overlooking the structure diagram that base device is scalded in the present invention.
Fig. 9 is the A-A schematic cross-sectional views of Fig. 7.
Figure 10 is the structure diagram of cutter device in the present invention.
Figure 11 is the structure diagram of negative pressure insert edge molding machine in the present invention.
Figure 12 is the processing flow schematic diagram of the present invention.
In figure：Blown film device 1, air inlet pipe 101, feed arrangement 102, film cylinder 2, inside edge 21, flanging 22, base 23 are inserted
Edge forming device 3, the first shaping frame 301, curved lever 302, top adjusting bolt 303, pressing plate 304, fork strap 305, arc
Transition part 3051, blade 3052, back 3053, first connecting rod 306, the second shaping frame 307, second connecting rod 308, link block
309, screw rod 310, rack 311, handle 312, insert edge depth adjustment bolt 313, depth adjustment nut 314 drives two pairs of rollers 4, right
Roll driving apparatus 5, transition roller 6, film cylinder driven roller 7, roll driving apparatus 701, friction gearing 702, insert edge backing plate 8 cross film
Roller 9 scalds crimping unit 10, scalds flanging block 1001, block 10011, coil 10012, embedded with metal piece 10013, boiling hot flanging protrusion
10014, flanging cylinder 1002 is scalded, presses crimping unit 11, scalds base device 12, presses base device 13, draws two pairs of rollers 14, compresses dress
Put 15, idler roller 16, bag with square bottom 17, cutter device 18, sprocket wheel 1801, blade 1802, chain 1803, guide rail 1804.
Specific embodiment
About orientation, for ease of statement, upper and lower orientation that the orientation in this example is subject in Fig. 1 is upper and lower in this example
The running route of film cylinder material is subject in trip.
In Fig. 1,7 ~ 11, a kind of bag with square bottom production line, it includes：
The carry-over pinch rolls of at least one rotation move for drawing film cylinder 2；
A pair is inserted into the insert edge backing plate 8 of the inside edge 21 of film cylinder 2；
One group scalds crimping unit 10, and boiling hot crimping unit 10 is pairs of to be arranged in above and below insert edge backing plate 8；
One group scalds base device 12, scalds that base device 12 is opposite is arranged in above and below film cylinder 2.
The raw material that production line in this example uses by carry-over pinch rolls, such as is drawn for the film cylinder strip with inside edge 21
The structure of two pairs of rollers 14, traction film cylinder 2 move, and form flanging in the position of film cylinder strip inside edge by scalding crimping unit 10 first
22, the base 23 intersected with flanging 22 then is formed in film cylinder strip by scalding base device 12, finally after cutting or cutting
Obtaining the such as bag with square bottom 17 as shown in Figure 12 d, the both sides of the bottom of this bag with square bottom 17 has two layers of connection structure, and one layer is four
The cementing line that flanging is formed, another layer is the connection structure formed by the base bonded.In this example, one is described completely
Automatic production line, but the step of its partial, is made into manually, such as be prepared for the film cylinder strip with inside edge
Later, by being manually transported to the production line of boiling hot crimping unit 10 and boiling hot base device 12 again, the protection of the present invention should be belonged to
Range.
In preferred scheme, the carry-over pinch rolls are the traction two pairs of rollers 14 arranged in pairs by driving device driving rotation；
As shown in fig. 1,1 in figure in driving two pairs of rollers 4 and draw the structures of two pairs of rollers, draw two pairs of rollers 14 or driving two pairs of rollers 4 with one
Driving device connects, usually motor, such as speed regulating motor, servo motor or stepper motor, motor are connect with retarder.Slow down
Device is connect by transmission device with traction two pairs of rollers.
Or the carry-over pinch rolls are by the film cylinder driven roller 7 of driving device driving rotation, in film cylinder driven roller 7
Both sides are equipped with the roller for increasing the cornerite in film cylinder driven roller 7 of film cylinder 2.Such as the mistake deflector roll 9 in 7 side of film cylinder driven roller,
With the transition roller 6 of 7 opposite side of film cylinder driven roller.Film cylinder driven roller 7 in this example is connect with roll driving apparatus 701, usually electric
Machine, such as speed regulating motor, servo motor or stepper motor, motor are connect with retarder.Retarder passes through transmission device and film cylinder
Driven roller 7 connects.
In preferred scheme, it is additionally provided with tension-adjusting gear；The tension-adjusting gear of setting is for 2 strip of adjusting film cylinder
Tension, so that strip is smooth.
The tension-adjusting gear is damp type tension-adjusting gear, such as connects damping unit in the end of roller, excellent
Choosing is opened using 16 structure of idler roller in magnetic-powder-type damping unit, tensioning roll-type tension-adjusting gear such as Fig. 1 or roller
Apparatus for adjusting force.
In preferred scheme, the boiling hot base device 12 is arranged on the downstream of boiling hot crimping unit 10.Thus structure is convenient for
Processing avoids that insert edge backing plate 8 is caused to interfere after scalding base.
In preferred scheme, pressure crimping unit 11 is equipped in the downstream for scalding crimping unit 10；Thus structure, for that will burn
Flanging 22 flatten, and auxiliary heat dissipation, avoid generating larger deformation.One piece of generally use and 22 corresponding pressure of flanging
Plate, pressing plate are connect with lifting cylinder.
Pressure base device 13 is equipped in the downstream for scalding base device 12.Thus structure, for the base burnt 23 to be flattened
It is whole
In preferred scheme, the structure of the boiling hot crimping unit 10 and boiling hot base device 12 is connect for block with lifting gear,
The block is heating element, to heat simultaneously bonding film cylinder 2.Lifting gear in this example is cylinder or rack-and-pinion
Mechanism.
In preferred scheme, in the boiling hot crimping unit 10, the position that heating element is contacted with film cylinder 2 is an oblique line,
Oblique line connects a vertical line close to the end of 2 center line of film cylinder；Preferably, the position that oblique line is connect with vertical line is with curved line transition.
In the boiling hot base device 12, the position that heating element is contacted with film cylinder 2 is a horizontal line, in hot pressure film cylinder 2,
The vertical line that the horizontal line is formed with boiling hot crimping unit 10 intersects.Thus structure can increase the intensity of bag with square bottom 17, especially
The inner end bond locations in flanging 22 is avoided the phenomenon that stress concentration occur.
In preferred scheme, in the boiling hot crimping unit 10 and boiling hot base device 12, mosaic gold is equipped in block 10011
Belong to piece 10013 or embedded with metal item, embedded with metal piece 10013 or embedded with metal item are equipped with the protrusion contacted with film cylinder 2, are inlaying
The coil 10012 of heating embedded with metal piece 10013 or embedded with metal item is equipped on the inside of engaged column piece 10013 or embedded with metal item.
There are many coil is optional, a kind of is the resistive coils to be generated heat using coil, will be hot after resistive coils electrified regulation
Amount is conducted to embedded with metal piece 10013 or embedded with metal item, so as to be bonded after making 2 material melts of film cylinder, the fever of this structure
Measure larger, temperature is difficult to control.Another optional coil is induction coil, is passed through alternating current in induction coil, makes to inlay
The surface of sheet metal 10013 or embedded with metal item generates current vortex fever, is bonded after making 2 material melts of film cylinder.This structure
Calorific value is relatively small, and temperature is easily controllable.
In preferred scheme, cutter device 18 is additionally provided in the most downstream of production line；Thus structure, for what will be prepared
Bag with square bottom 17 is cut.
In optional scheme, the cutter device 18 is the blade driven by lifting gear；This is conventional cutting side
Formula, but the structure needs longer blade, if the accuracy decline of blade cutting edge, is susceptible to and cuts the problem of uneven.
In another optional scheme such as Fig. 1,10 or the cutter device 18 is to be run along 2 width direction of film cylinder
Blade 1802, blade 1802 connect with driving device.Structure in this example is that sprocket wheel 1801 is connect with driving device, chain
1803 form a chain-drive mechanism on sprocket wheel 1801, and blade 1802 is fixedly connected with chain, by driving device, such as
Servo motor, speed regulating motor or stepper motor are rotated by retarder drive sprocket 1801, so as to drive chain 1803 along film
Cylinder 2 width directions operation, film cylinder is cut.To ensure cut quality, guide rail 1804 is additionally provided with, blade 1802 is along guide rail 1804
It slides, to improve cutting accuracy.To improve cutting efficiency, using the structure of reciprocating cutting, blade 1802 carries sword for both sides
The blade of mouth.It is further preferred that the top of blade 1802 is wider, and bottom is relatively narrow.
In preferred scheme such as Fig. 1, insert edge molding machine 3 is equipped in the upstream of production line, insert edge molding machine 3, which is located at, to be blown
Above or below film device 1；The structure blown on wherein, is suitble to the relatively low occasion of factory building height, the control difficulty of which compared with
Greatly, as in Fig. 1, blown film device 1 is connect with air inlet pipe 101 and feed arrangement 102, needs accurately to control the air inlet of air inlet pipe 101
Amount, to reduce the ratio of waste product.And lower blowing structure, the height for needing workshop are higher, but control it is relatively easy, rejection rate compared with
It is low.Lower blowing structure is being not shown in figure.
It is set in the insert edge molding machine 3 there are two opposite fork strap 305, fork strap 305 is used in 2 both sides of film cylinder
Form the flanging folded inward；
The shaping frame that film cylinder 2 is made gradually to flatten is additionally provided in insert edge molding machine 3, shaping frame is located at the two of fork strap 305
Side.Thus structure forms the flanging folded inward using fork strap 305 in 2 both sides of film cylinder of blowout.
In preferred scheme such as Fig. 3,4, the upstream of the fork strap 305 is equipped with curved transition sections 3051, close to film
The side of cylinder 2 is equipped with the blade 3052 of narrower width, and the back 3053 of wider width is equipped in the side far from film cylinder 2.
In preferred scheme, 305 upstream of fork strap is wider, and downstream is relatively narrow.By the structure of above-mentioned fork strap, such as
Shown in Fig. 6, the outer wall of film cylinder 2 can be made to seamlessly transit into inside edge, so as to which the outer wall of film cylinder 2 be avoided to rupture or left easily
The folding line of fracture.
In preferred scheme such as Fig. 3, the back 3053 of fork strap 305 is connect with insert edge depth adjustment bolt 313, insert edge depth
Degree adjusting bolt 313 is connect with rack 311 in a manner of adjustable.In this example, one end of depth adjustment bolt 313 and fork strap
305 back fixation connection, depth adjustment bolt 313 pass through rack 311, are fixedly connected by four nuts.Pass through adjusting nut
Position on depth adjustment bolt 313, you can adjusting film cylinder 2 is to the depth of inside edge.
In preferred scheme such as Fig. 1,2, in the insert edge molding machine 3, in the both sides of fork strap 305, outside film cylinder 2
It encloses equipped with the shaping frame arranged into "eight" shape, the upstream-end opening of shaping frame is larger, and downstream-end opening is smaller.In this example
Shaping frame be made of two montants and more between two montants horizontal curved levers 302, preferably in curved lever
302 periphery is coated with the flexible material of low-frictional force, such as chemical fibre flannelette, pleuche or polytetrafluoro material.
In preferred scheme such as Fig. 1,2, opening adjusting device is equipped between shaping frame.Thus structure, to adapt to not
With the film cylinder 2 of diameter.
In preferred scheme such as Fig. 2, in the opening adjusting device, one end of first connecting rod 306 and the first shaping frame
Frame 301 is hinged, and one end of second connecting rod 308 is hinged with the second shaping frame 307, first connecting rod 306 and second connecting rod 308 it is another
One end is hinged with link block 309, and one end of screw rod 310 is connect with link block 309 in a manner of not being axially movable rotatably, spiral shell
Bar 310 is connect with fixed nut thread, and the other end of screw rod 310 is equipped with handle 312.It is further preferred that opening adjusts dress
It puts and is preferably provided at two larger positions of shaping frames opening.In preferred such as Fig. 2, smaller in two shaping frames openings
Position be additionally provided with top adjusting bolt 303, top adjusting bolt 303 passes through pressing plate 304 and bevel washer and fixing nut screw thread
Connection, thus structure, facilitates the size for adjusting smaller opening.
In preferred scheme such as Fig. 2, the downstream of insert edge molding machine 3 is equipped with the driving two pairs of rollers 4 for drawing film cylinder 2, drives
Dynamic two pairs of rollers 4 are connect by transmission mechanism with to roll driving apparatus 5, preferably using chain-drive mechanism, belt gear, gear
Mechanism or synchronous belt drive mechanism, to being preferably provided with the motor or servo motor of adjustable speed, Huo Zhebu in roll driving apparatus 5
Stepper motor, motor are connect with retarder, and retarder is connect with transmission mechanism.
After 2 strip of film cylinder after insert edge bypasses multiple transition rollers 6, around winder driven roller 7, the side of winder driven roller 7
It is movably equipped with film collecting roller 9 and a transition roller 6.
Preferably, one of transition roller 6 is equipped with pressure sensor, for the tension of 2 strip of sense film cylinder, avoid because
Winding makes film cylinder generate larger stretcher strain.
In preferred scheme such as Fig. 5, the end of winder driven roller 7 passes through friction gearing 702 and roll driving apparatus 701
Connection.Thus structure avoids torque too big, breaks 2 coiled strip of film cylinder.There are two being set in the friction gearing 702 mutually
Between the disk body that is driven with frictional force, be driven by the frictional force between two disk bodies, when frictional force is more than default
Value then generates slip, so as to define the torque of transmission between two disk bodies.
Embodiment 1：
The film cylinder strip with inside edge prepared using insert edge molding machine 3, when in use as in Fig. 1, coating materials is from feed arrangement
102 enter blown film device 1, and air inlet pipe 101 is inputted in compressed air to blown film device 1, blowout film cylinder 2, film cylinder 2 from insert edge into
The larger open of type device 3 is entered between the first shaping frame 301 and the second shaping frame 307, by the fork strap 305 set
Gradually the both sides of film cylinder 2 is made to be folded inwardly to form inside edge, and the driving two pairs of rollers 4 in 3 downstream of insert edge molding machine are drawn and ground
Pressure forms 2 strip of film cylinder with inside edge, and the rotary speed of driving two pairs of rollers 4 is adjustable, with the production energy with blown film device 1
Power is adapted.Film cylinder strip bypasses multiple transition rollers 6, then with larger cornerite around winder driven roller 7, by the winder rotated
Driven roller 7 provides secondary tractive force, and the tension detecting apparatus of film cylinder strip is equipped on transition roller 6, and control device passes through
Detect the rotating speed of the tension force winder driven roller 7 of film cylinder strip.Film cylinder strip is pulled the traction of two pairs of rollers 14, by scalding folding
Side device 10, the inside edge 21 of 2 strip of film cylinder herein are inserted into insert edge backing plate 8, and the lifting gear for scalding crimping unit 10 is fallen,
Hot pressure forms flanging 22 in 2 strip of film cylinder, and as shown in Fig. 7,12,2 strip of film cylinder walks on, and pressure crimping unit 11 is fallen,
The flanging of hot pressure is flattened, the lifting gear of crimping unit 11 is pressed preferably to use cylinder.2 strip of film cylinder walks on, and passes through
Base device 12 is scalded, the lifting gear for scalding base device 12 is fallen, and hot pressure forms base 23 in 2 strip of film cylinder, such as Fig. 8,12
Shown in, base 23 and the vertical line section of flanging 22 are intersected, to avoid stress concentration.2 strip of film cylinder walks on through over-pressed base
Device 13, the lifting gear of pressure base device 13 are fallen, the base of hot pressure are flattened.It is obtained after the cutting of cutter device 18
17 finished product of bag with square bottom.In the walking process of 2 strip of film cylinder, equipped with multiple transition rollers 6 and at least one idler roller 16, Fig. 1
It is middle that idler roller 16 is arranged between boiling hot crimping unit 10 and boiling hot base device 12, it is arranged on boiling hot crimping unit 10 and boiling hot base dress
It is also feasible to put 12 upstream or downstream.
Embodiment 2：
Embodiment 1 employs the structure for directly preparing bag with square bottom through production line by blown film device 1, but the production line needs independence
Blown film device, it is higher for the production and processing Capability Requirement of enterprise.In another optional scheme, using common film cylinder strip
After carrying out inside edge operation, then carry out producing bag with square bottom after scalding flanging, boiling hot base.
In another optional scheme, insert edge molding machine 3 and blown film device 1 are replaced with negative pressure insert edge molding machine 19, such as
In Figure 11, a kind of negative pressure insert edge molding machine 19, have a cavity, the cavity be equipped with an entrance and one outlet, film cylinder strip from
Entrance enters, and is discharged from outlet, and the entrance and exit of cavity is flat structure, and cavity middle height increases, in the cavity
Equipped with fork strap 305, the structure of fork strap 305 is identical with the structure in aforementioned embodiment 1.The upper wall and lower wall of cavity are negative
1903 structure of cavity is pressed, the inner wall of vacuum cavity 1903 is equipped with multiple stomatas 1901, and outer wall is equipped at least one vacuum orifice
1902.Preferably, driving two pairs of rollers 4 are equipped in the position of cavity outlet.In use, scroll-like film cylinder strip enters from entrance,
Under the absorption of stomata 1901, film cylinder strip is flared, and the upper wall and lower wall of cavity is attached to respectively, preferably in the side of cavity
Wall is not provided with stomata 1901, and film cylinder strip reverts to tubular by the effect of negative-pressure adsorption, the traction through two pairs of rollers 4 of overdriving, film cylinder
By fork strap 305, inside edge 21 is gradually formed, and film forming cylinder strip is flattened by driving two pairs of rollers 4.Thereafter structure is film cylinder band
Material, by scalding crimping unit 10, scalding base device 12 and cutter device 18, obtains bag with square bottom, subsequent work around multiple transition rollers 6
Sequence is in the same manner as in Example 1.Using the structure, it can use and be given birth to carry out the normal film cylinder strip of inside edge as raw material
Production.
The above embodiments are only the preferred technical solution of the present invention, and are not construed as the limitation for the present invention, this Shen
Please in embodiment and embodiment in feature in the absence of conflict, mutually can arbitrarily combine.The protection model of the present invention
The technical solution that should be recorded with claim is enclosed, the equivalent replacement side of technical characteristic in the technical solution recorded including claim
Case is protection domain.Equivalent replacement i.e. within this range is improved, also within protection scope of the present invention.
Claims (10)
1. a kind of bag with square bottom production line, it is characterized in that it includes：
The carry-over pinch rolls of at least one rotation, for drawing film cylinder（2）Movement；
A pair is inserted into film cylinder（2）Inside edge（21）Insert edge backing plate（8）；
One group scalds crimping unit（10）, scald crimping unit（10）Pairs of is arranged in insert edge backing plate（8）Above and below；
One group scalds base device（12）, scald base device（12）It is arranged in film cylinder（2）Above and below.
2. a kind of bag with square bottom production line according to claim 1, it is characterized in that：The carry-over pinch rolls for it is arranged in pairs by
The traction two pairs of rollers of driving device driving rotation（14）；
Or the carry-over pinch rolls are by the film cylinder driven roller of driving device driving rotation（7）, in film cylinder driven roller（7）'s
Both sides are equipped with to increase film cylinder（2）In film cylinder driven roller（7）The roller of upper cornerite.
3. a kind of bag with square bottom production line according to claim 1, it is characterized in that：It is additionally provided with tension-adjusting gear；
The tension-adjusting gear is damp type tension-adjusting gear, is tensioned roll-type tension-adjusting gear or roller tension
Regulating device.
4. a kind of bag with square bottom production line according to claim 1, it is characterized in that：The boiling hot base device（12）It is arranged on
Scald crimping unit（10）Downstream；
In boiling hot crimping unit（10）Downstream be equipped with pressure crimping unit（11）；
In boiling hot base device（12）Downstream be equipped with pressure base device（13）.
5. a kind of bag with square bottom production line according to claim 1, it is characterized in that：The boiling hot crimping unit（10）With boiling hot bottom
Side device（12）Structure connect with lifting gear for block, the block is heating element, to heat simultaneously bonding film cylinder
（2）.
6. a kind of bag with square bottom production line according to claim 5, it is characterized in that：The boiling hot crimping unit（10）In, add
Thermal element and film cylinder（2）The position of contact is an oblique line, and oblique line is close to film cylinder（2）The end of center line connects a vertical line；
The boiling hot base device（12）In, heating element and film cylinder（2）The position of contact is a horizontal line, in hot pressure film cylinder（2）
When, the horizontal line and boiling hot crimping unit（10）The vertical line of formation intersects.
7. a kind of bag with square bottom production line according to claim 5, it is characterized in that：The boiling hot crimping unit（10）With boiling hot bottom
Side device（12）In, block（10011）It is interior to be equipped with embedded with metal piece（10013）, embedded with metal piece（10013）It is equipped with and film cylinder
（2）The protrusion of contact, in embedded with metal piece（10013）Inside is equipped with heating embedded with metal piece（10013）Coil（10012）.
8. a kind of bag with square bottom production line according to claim 1, it is characterized in that：Cutting is additionally provided in the most downstream of production line
Device（18）；
The cutter device（18）For the blade driven by lifting gear；
Or the cutter device（18）For along film cylinder（2）The blade of width direction operation（1802）, blade（1802）With
Driving device connects.
9. a kind of bag with square bottom production line according to claim 1, it is characterized in that：It is molded in the upstream of production line equipped with insert edge
Device（3）, insert edge molding machine（3）Positioned at blown film device（1）Above or below；
The insert edge molding machine（3）In set there are two opposite fork strap（305）, fork strap（305）For in film cylinder（2）
Both sides form the flanging folded inward；
Insert edge molding machine（3）In be additionally provided with and make film cylinder（2）The shaping frame gradually flattened, shaping frame are located at fork strap
（305）Both sides.
10. a kind of bag with square bottom production line according to claim 1, it is characterized in that：It is inserted in the upstream of production line equipped with negative pressure
Edge forming device（19）；
The negative pressure insert edge molding machine（19）Structure be：Negative pressure insert edge molding machine（19）With a cavity, which sets
There are an entrance and an outlet, film cylinder strip enters from entrance, is discharged from outlet, the entrance and exit of cavity is flat knot
Structure, cavity middle height increase, in the cavity equipped with fork strap（305）；
The upper wall and lower wall of cavity are vacuum cavity（1903）Structure, vacuum cavity（1903）Inner wall be equipped with multiple stomatas
（1901）, outer wall is equipped at least one vacuum orifice（1902）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611105570.2A CN108146019A (en) | 2016-12-05 | 2016-12-05 | Bag with square bottom production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611105570.2A CN108146019A (en) | 2016-12-05 | 2016-12-05 | Bag with square bottom production line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108146019A true CN108146019A (en) | 2018-06-12 |
Family
ID=62471083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611105570.2A Pending CN108146019A (en) | 2016-12-05 | 2016-12-05 | Bag with square bottom production line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108146019A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109334110A (en) * | 2018-08-30 | 2019-02-15 | 浙江正威机械有限公司 | Device for folding in the two sides of plastic three-dimensional bag webs material |
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|---|---|---|---|---|
| GB1315262A (en) * | 1971-05-19 | 1973-05-02 | Venus Packaging Ltd | Manufacturing a gussetted web for use in manufacturing plastics bags |
| US4452597A (en) * | 1981-02-26 | 1984-06-05 | Windmoller & Holscher | Method and apparatus for forming stacks of sacks |
| CN85104209A (en) * | 1985-06-01 | 1986-11-26 | 无比石油公司 | The method and system of preparation thermoplastic bag |
| JPH01127326A (en) * | 1987-11-13 | 1989-05-19 | Taiyo Shokai Kk | Manufacture of double-side gusset folding sealing bag having internal folding piece at opening edge |
| JP2003137305A (en) * | 2001-11-02 | 2003-05-14 | Kyouei Kk | Square bottom bag, and method and apparatus for manufacturing the same |
| CN206230953U (en) * | 2016-12-05 | 2017-06-09 | 宜昌市福沃特科技有限公司 | Bag with square bottom production line |
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2016
- 2016-12-05 CN CN201611105570.2A patent/CN108146019A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1315262A (en) * | 1971-05-19 | 1973-05-02 | Venus Packaging Ltd | Manufacturing a gussetted web for use in manufacturing plastics bags |
| US4452597A (en) * | 1981-02-26 | 1984-06-05 | Windmoller & Holscher | Method and apparatus for forming stacks of sacks |
| CN85104209A (en) * | 1985-06-01 | 1986-11-26 | 无比石油公司 | The method and system of preparation thermoplastic bag |
| JPH01127326A (en) * | 1987-11-13 | 1989-05-19 | Taiyo Shokai Kk | Manufacture of double-side gusset folding sealing bag having internal folding piece at opening edge |
| JP2003137305A (en) * | 2001-11-02 | 2003-05-14 | Kyouei Kk | Square bottom bag, and method and apparatus for manufacturing the same |
| CN206230953U (en) * | 2016-12-05 | 2017-06-09 | 宜昌市福沃特科技有限公司 | Bag with square bottom production line |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109334110A (en) * | 2018-08-30 | 2019-02-15 | 浙江正威机械有限公司 | Device for folding in the two sides of plastic three-dimensional bag webs material |
| CN109334110B (en) * | 2018-08-30 | 2023-11-17 | 浙江正威机械有限公司 | Plastic three-dimensional bag sheet material two-side inward folding device |
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