CN206230953U - Bag with square bottom production line - Google Patents
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- CN206230953U CN206230953U CN201621323861.4U CN201621323861U CN206230953U CN 206230953 U CN206230953 U CN 206230953U CN 201621323861 U CN201621323861 U CN 201621323861U CN 206230953 U CN206230953 U CN 206230953U
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Abstract
The utility model provides a kind of bag with square bottom production line, and it includes：The carry-over pinch rolls of at least one rotation, for drawing film cylinder motion；It is inserted into the insert edge backing plate of the interior flanging of film cylinder for a pair；One group scalds crimping unit, scalds that crimping unit is paired is 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.By the boiling hot crimping unit and boiling hot base device that set, successively can heat and bond to form flanging and base on interior flanging film cylinder Bag Material, bag with square bottom can be obtained after cleaved, this bag with square bottom has the attachment structure of two-layer in the both sides of bottom, one layer is four cementing lines of flangings formation, another layer is the attachment structure that the base by bonding is formed, and which increases the intensity of bag with square bottom.And be an entirety, jointless structure, which in turns increases the intensity of bag with square bottom in side using the bag with square bottom of the utility model production line production.And the bag with square bottom of this structure, also allows for cutting.
Description
Technical field
The utility model is related to a kind of bag with square bottom production field, particularly a kind of bag with square bottom production line.
Background technology
Existing medical plastic bag bag bottom structure has the types such as word flat bag underseal is cut, circular 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 is deposited when bulk solid medicine is shipped
It is low in transport space utilization rate, the shortcomings of easily residual in toppling process；And technical process that circular bag underseal is cut is also more multiple
Miscellaneous, relatively costly, circular bag bottom transport space utilization rate is relatively low.
Also there are a kind of bag with square bottom, such as record of the U of Chinese patent literature CN 202848245, Yi Zhongfang in the prior art
Bottom bag, bottom bag is provided with oblique hot pressing side, and bottom squarely after the plastic bag unfolding of the side of making bottom can fully connect with square article
Touch, in bulk cargo utilization, it is also possible to save transport space, save material, reduce production cost.
The A of Chinese patent literature CN 104943235 describe a kind of bag with square bottom side layer formation mechanism, including make along flowing water
Input module, steering assembly, flange component, material stock component and inflection component that industry direction sets gradually；The steering assembly
Pan feeding direction and discharging direction are in 90 degree of angles；The inflection component includes that multiple side layers for exporting material storing mechanism are oriented to
Transmit the guide roller of the L-shaped inflection transport path of shape.Can be straight by the setting steering assembly in mechanism and inflection component
The streamline of wire forms the three-dimensional structure of bending, and such structure floor space is small, compact conformation, beneficial to main pipeline it
Between linking and integrated, reduce floor space.But the mechanism is that upper film, lower film, counterdie and side layer are glued by streamline
Connect and form, device structure is complex, produced by the way of upper film, lower film, counterdie and side layer are compound, bag with square bottom
Intensity can be affected.
The content of the invention
Technical problem to be solved in the utility model is to provide a kind of bag with square bottom production line, can continuously produce one
Change the bag with square bottom of folded, glued, 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 scheme that the utility model is used is：A kind of bag with square bottom production line, it is wrapped
Include：
The carry-over pinch rolls of at least one rotation, for drawing film cylinder motion；
It is inserted into the insert edge backing plate of the interior flanging of film cylinder for a pair；
One group scalds crimping unit, scalds that crimping unit is paired is 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, described carry-over pinch rolls are the traction by drive device driving rotation arranged in pairs to roller；
Or described carry-over pinch rolls are the film cylinder driven roller that rotation is driven by drive device, the two of film cylinder driven roller
Side is provided with the roller for increasing film cylinder cornerite in film cylinder driven roller.
In preferred scheme, tension-adjusting gear is additionally provided with；
Described tension-adjusting gear is damp type tension-adjusting gear, tensioning roll-type tension-adjusting gear or roller
Tension-adjusting gear.
In preferred scheme, described boiling hot base device is arranged on the downstream of boiling hot crimping unit.
In preferred scheme, pressure crimping unit is provided with the downstream for scalding crimping unit；
Pressure base device is provided with the downstream for scalding base device.
In preferred scheme, described boiling hot crimping unit and the structure of boiling hot base device are connected for block with lowering or hoisting gear,
Described block is heating element heater, is used to heat and bonding film cylinder.
In preferred scheme, in described boiling hot crimping unit, the position that heating element heater is contacted with film cylinder is an oblique line, oblique line
Termination near film cylinder center line connects a vertical line；
In described boiling hot base device, the position that heating element heater is contacted with film cylinder is a horizontal line, described in hot pressure film cylinder
The vertical line that horizontal line is formed with boiling hot crimping unit intersects.
In preferred scheme, in described boiling hot crimping unit and boiling hot base device, embedded with metal piece is provided with block, inlayed
Sheet metal is provided with the projection contacted with film cylinder, and the coil of heating embedded with metal piece is provided with the inside of embedded with metal piece.
In preferred scheme, cutter sweep is additionally provided with the most downstream of production line；
Described cutter sweep is the blade driven by lowering or hoisting gear；
Or described cutter sweep is the blade run along film cylinder width, blade is connected with drive device.
In optional scheme, insert edge shaped device is provided with the upstream of production line, insert edge shaped device is located at blown film device
Above or below；
Two relative fork straps are provided with described insert edge shaped device, fork strap is used to be formed inwardly in film cylinder both sides
The flanging of folding；
The shaping frame for making film cylinder gradually flatten is additionally provided with insert edge shaped device, shaping frame is located at the two of fork strap
Side.
In another optional scheme, negative pressure insert edge shaped device is provided with the upstream of production line；
The structure of the negative pressure insert edge shaped device is：Negative pressure insert edge shaped device has a cavity, and the cavity is provided with one
Entrance and an outlet, film cylinder strip enter from entrance, are discharged from outlet, and the entrance and exit of cavity is flat structure, chamber
Body middle height increases, and fork strap is provided with cavity；
The upper wall and lower wall of cavity are vacuum cavity structure, and the inwall of vacuum cavity is provided with multiple stomatas, outer wall be provided with to
A few vacuum orifice.
A kind of bag with square bottom production line that the utility model is provided, by the boiling hot crimping unit and boiling hot base device that set, energy
It is enough successively to heat and bond to form flanging and base on interior flanging film cylinder Bag Material, it is cleaved after can obtain bag with square bottom,
As shown in Figure 12 d, this bag with square bottom has the attachment structure of two-layer in the both sides of bottom, and one layer is four bondings of flangings formation
Line, another layer is the attachment structure that the base by bonding is formed, and which increases the intensity of bag with square bottom.And use the utility model
The bag with square bottom of production line production, is an entirety, jointless structure, which in turns increases the intensity of bag with square bottom in side.And
And the bag with square bottom of this structure, also allow for cutting.
Brief description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and examples：
Fig. 1 is overall structure diagram of the present utility model.
Fig. 2 is the structural representation of insert edge shaped device in the utility model.
Fig. 3 is the side view of the utility model centerboard part.
Fig. 4 is the front view of the utility model centerboard part.
Fig. 5 is the top view of film cylinder driven roller in the utility model.
Fig. 6 be the utility model in film cylinder gradually flanging deform when schematic diagram.
Fig. 7 is the overlooking the structure diagram of boiling hot crimping unit in the utility model.
Fig. 8 is the overlooking the structure diagram of boiling hot base device in the utility model.
Fig. 9 is the A-A schematic cross-sectional views of Fig. 7.
Figure 10 is the structural representation of cutter sweep in the utility model.
Figure 11 is the structural representation of negative pressure insert edge shaped device in the utility model.
Figure 12 is work flow schematic diagram of the present utility model.
In figure：Blown film device 1, air inlet pipe 101, feed arrangement 102, film cylinder 2, interior flanging 21, flanging 22, base 23 is inserted
Edge forming device 3, the first shaping frame 301, curved lever 302, top regulating 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, contiguous block
309, screw rod 310, frame 311, handle 312, insert edge depth adjustment bolt 313, depth adjustment nut 314 is driven to roller 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 crosses film
Roller 9, scalds crimping unit 10, scalds flanging block 1001, and block 10011, coil 10012, embedded with metal piece 10013 scalds flanging raised
10014, flanging cylinder 1002 is scalded, crimping unit 11 is pressed, base device 12 is scalded, base device 13 is pressed, traction compresses dress to roller 14
Put 15, idler roller 16, bag with square bottom 17, cutter sweep 18, sprocket wheel 1801, blade 1802, chain 1803, guide rail 1804.
Specific embodiment
On orientation, for ease of statement, the upper and lower orientation of orientation in this example in Fig. 1 is defined, upper and lower in this example
Swim and be defined by the running route of film cylinder material.
Such as 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；
It is inserted into the insert edge backing plate 8 of the interior flanging 21 of film cylinder 2 for a pair；
One group scalds crimping unit 10, scalds that crimping unit 10 is paired is arranged in above and below insert edge backing plate 8；
One group scalds base device 12, and boiling hot base device 12 is relative to be arranged in above and below film cylinder 2.
The raw material that production line in this example is used is the film cylinder strip with interior flanging 21, by carry-over pinch rolls, for example, is drawn
To the structure of roller 14, traction film cylinder 2 is moved, and forms flanging by scalding the position of flanging in film cylinder strip of crimping unit 10 first
22, the base 23 intersected with flanging 22 then is formed in film cylinder strip by scalding base device 12, eventually pass after cutting or cutting
The bag with square bottom 17 as shown in Figure 12 d is obtained, there is the attachment structure of two-layer the both sides of the bottom of this bag with square bottom 17, and one layer is four
The cementing line that bar flanging is formed, another layer is the attachment structure that the base by bonding is formed.In this example, one is described completely
Automatic production line, but make into the step of by its partial artificial, be for example prepared for the cylinder strip of the film with interior flanging
Afterwards, by being manually transported to the production line of boiling hot crimping unit 10 and boiling hot base device 12 again, should belong to of the present utility model
Protection domain.
In preferred scheme, described carry-over pinch rolls are the traction by drive device driving rotation arranged in pairs to roller 14；
As shown in fig. 1,1 in the figure in drive to roller 4, be also structure of the traction to roller, traction is to roller 14 or drives to roller 4 with one
Drive device is connected, usually motor, such as buncher, servomotor or stepper motor, and motor is connected with decelerator.Slow down
Device is connected with traction by transmission device to roller.
Or described carry-over pinch rolls are the film cylinder driven roller 7 that rotation is driven by drive device, in film cylinder driven roller 7
Both sides are provided with the roller for increasing the cornerite in film cylinder driven roller 7 of film cylinder 2.For example in the mistake deflector roll 9 of film cylinder driven roller 7 side,
With the transition roller 6 of the film cylinder opposite side of driven roller 7.Film cylinder driven roller 7 in this example is connected with roll driving apparatus 701, usually electricity
Machine, such as buncher, servomotor or stepper motor, motor are connected with decelerator.Decelerator is by transmission device and film cylinder
Driven roller 7 is connected.
In preferred scheme, tension-adjusting gear is additionally provided with；The tension-adjusting gear of setting is used for adjusting film 2 strips of cylinder
Tension force, so that strip is smooth.
Described tension-adjusting gear is damp type tension-adjusting gear, for example, connect damping unit in the termination of roller, excellent
The use magnetic-powder-type damping unit of choosing, the structure of idler roller 16 being tensioned in roll-type tension-adjusting gear such as Fig. 1, or roller
Apparatus for adjusting force.
In preferred scheme, described boiling hot base device 12 is arranged on the downstream of boiling hot crimping unit 10.Thus structure, is easy to
Processing, it is to avoid interference is caused to insert edge backing plate 8 after scalding base.
In preferred scheme, pressure crimping unit 11 is provided with the downstream for scalding crimping unit 10；Thus structure, for that will burn
Flanging 22 flatten, and auxiliary heat dissipation, it is to avoid produce larger deformation.Generally use one piece of pressure corresponding with flanging 22
Plate, pressing plate is connected with lift cylinder.
Pressure base device 13 is provided with the downstream for scalding base device 12.Thus structure, the base 23 for that will burn flattens
It is whole
In preferred scheme, described boiling hot crimping unit 10 and the structure of boiling hot base device 12 are that block connects with lowering or hoisting gear
Connect, described block is heating element heater, be used to heat and bonding film cylinder 2.Lowering or hoisting gear in this example is cylinder, or gear teeth
Bar mechanism.
In preferred scheme, in described boiling hot crimping unit 10, the position that heating element heater is contacted with film cylinder 2 is an oblique line,
Oblique line connects a vertical line near the termination of film 2 center lines of cylinder；Preferably, the position that oblique line is connected with vertical line is with curved line transition.
In described boiling hot base device 12, the position that heating element heater 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 bond locations in flanging 22 are avoided the phenomenon of stress concentration occur.
In preferred scheme, in described boiling hot crimping unit 10 and boiling hot base device 12, mosaic gold is provided with block 10011
Category piece 10013 or embedded with metal bar, embedded with metal piece 10013 or embedded with metal bar are provided with the projection contacted with film cylinder 2, in edge
Engaged column piece 10013 or embedded with metal bar inner side are provided with the coil 10012 of heating embedded with metal piece 10013 or embedded with metal bar.
Coil optionally has various, and a kind of is the resistive coils generated heat using coil, by heat after resistive coils electrified regulation
Amount is conducted to embedded with metal piece 10013 or embedded with metal bar, so that being bonded after film 2 material melts of cylinder, the heating of this structure
Amount is larger, and temperature is difficult to control.Another optional coil is induction coil, and alternating current is passed through in induction coil, makes to inlay
The surface of sheet metal 10013 or embedded with metal bar produces current vortex heating, is bonded after making film 2 material melts of cylinder.This structure
Caloric value is relatively small, and temperature is easily controllable.
In preferred scheme, cutter sweep 18 is additionally provided with the most downstream of production line；Thus structure, for that will prepare
Bag with square bottom 17 cuts.
In optional scheme, described cutter sweep 18 is the blade driven by lowering or hoisting gear；This is conventional cutting side
Formula, but the structure needs blade more long, if the precise decreasing of blade cutting edge, easily occurs cutting uneven problem.
Cutter sweep 18 in another optional scheme such as Fig. 1,10 or described is to be run along film 2 widths of cylinder
Blade 1802, blade 1802 is connected with drive device.Structure in this example is that sprocket wheel 1801 is connected with drive device, chain
1803 are arranged on sprocket wheel 1801 and constitute a chain-drive mechanism, and blade 1802 is fixedly connected with chain, by drive device, for example
Servomotor, buncher or stepper motor rotate by decelerator drive sprocket 1801, so as to drive chain 1803 along film
Cylinder 2 widths operation, film cylinder is cut.To ensure cut quality, guide rail 1804 is additionally provided with, blade 1802 is along guide rail 1804
Slide, to improve cutting accuracy.To improve cutting efficiency, using the structure of reciprocating cutting, blade 1802 is that both sides carry sword
The blade of mouth.It is further preferred that the top of blade 1802 is wider, and bottom is narrower.
In preferred scheme such as Fig. 1, insert edge shaped device 3 is provided with the upstream of production line, insert edge shaped device 3 is located at and blows
Above or below film device 1；The structure blown on wherein, is adapted 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 connected with air inlet pipe 101 and feed arrangement 102, it is necessary to the air intake of precise control air inlet pipe 101
Amount, to reduce the ratio of waste product.And lower blowing structure is, it is necessary to the height of factory building is higher, but control it is relatively easy, percent defective compared with
It is low.Lower blowing structure is not shown in figure.
Two relative fork straps 305 are provided with described insert edge shaped device 3, fork strap 305 is used in 2 both sides of film cylinder
Form the flanging to interior folding；
The shaping frame for making film cylinder 2 gradually flatten is additionally provided with insert edge shaped device 3, shaping frame is located at fork strap 305
Both sides.Thus structure, the flanging to interior folding is formed using fork strap 305 in 2 both sides of film cylinder of blowout.
In preferred scheme such as Fig. 3,4, the upstream of described fork strap 305 is provided with curved transition sections 3051, near film
The side of cylinder 2 is provided with the blade 3052 of narrower width, and the back 3053 of wider width is provided with the side away from film cylinder 2.
In preferred scheme, the described upstream of fork strap 305 is wider, and downstream is narrower.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 flanging, so as to avoid the outer wall rupture of film cylinder 2 or leave easily
The folding line of fracture.
In preferred scheme such as Fig. 3, the back 3053 of fork strap 305 is connected with insert edge depth adjustment bolt 313, insert edge depth
Degree regulating bolt 313 is connected with frame 311 in adjustable mode.In this example, one end of depth adjustment bolt 313 and fork strap
305 back fixation connection, depth adjustment bolt 313 passes through frame 311, is fixedly connected by four nuts.By adjusting nut
Position on depth adjustment bolt 313, you can the depth of adjusting film 2 inside flangings of cylinder.
In preferred scheme such as Fig. 1,2, in described insert edge shaped device 3, outside the both sides of fork strap 305, film cylinder 2
The shaping frame for being provided with into "eight" shape arrangement is enclosed, the upstream-end opening of shaping frame is larger, and downstream-end opening is smaller.In this example
The many piece curved levers of horizontal stroke 302 of the shaping frame by two montants and between two montants constitute, 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 provided between shaping frame.Thus structure, to adapt to not
With the film cylinder 2 of diameter.
In preferred scheme such as Fig. 2, in described 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 contiguous block 309, and one end of screw rod 310 is connected with contiguous block 309 in the way of not being axially movable rotatably, spiral shell
Bar 310 is connected with fixed nut thread, and the other end of screw rod 310 is provided with handle 312.It is further preferred that opening regulation dress
Put and be preferably provided at the larger position in two shaping frame openings.In preferred such as Fig. 2, smaller two shaping frame openings
Position be additionally provided with top regulating bolt 303, top regulating bolt 303 is through pressing plate 304 and bevel washer and fixing nut screw thread
Connection, thus structure, conveniently adjusts the size of smaller opening.
In preferred scheme such as Fig. 2, the downstream of insert edge shaped device 3 is provided with for the driving for drawing film cylinder 2 to roller 4, is driven
It is dynamic that roller 4 is connected by transmission mechanism with to roll driving apparatus 5, preferably using chain-drive mechanism, belt gear, gear
Mechanism or synchronous belt drive mechanism, the motor to being preferably provided with adjustable speed in roll driving apparatus 5, or servomotor, Huo Zhebu
Stepper motor, motor is connected with decelerator, and decelerator is connected with transmission mechanism.
After film 2 strips of cylinder after insert edge bypass multiple transition rollers 6, winder driven roller 7, the side of winder driven roller 7 are bypassed
It is movably equipped with film collecting roller 9 and a transition roller 6.
Preferably, one of transition roller 6 is provided with pressure sensor, for the tension force of sense film 2 strips of cylinder, it is to avoid because
Winding makes film cylinder produce larger stretcher strain.
In preferred scheme such as Fig. 5, the termination of winder driven roller 7 is by friction gearing 702 and roll driving apparatus 701
Connection.Thus structure, it is to avoid moment of torsion is too big, breaks film 2 coiled strips of cylinder.Two are provided with described 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 exceed it is default
Value, then produce slip, so as to define the moment of torsion of transmission between two disk bodies.
Embodiment 1：
The film cylinder strip of the interior flanging of band prepared using insert edge shaped device 3, when in use as in Fig. 1, coating materials is from charging
Device 102 enters into blown film device 1, in input compressed air to the blown film device 1 of air inlet pipe 101, blowout film cylinder 2, and film cylinder 2 is from inserting
The larger open of edge forming device 3 is entered between the first shaping frame 301 and the second shaping frame 307, by the plate for setting
Part 305 gradually makes the both sides of film cylinder 2 be folded inwardly to form interior flanging, and driving in the downstream of insert edge shaped device 3 is drawn to roller 4
With roll film cylinder 2 strips of the lower formation with interior flanging, it is adjustable to drive to the rotary speed of roller 4, with the life with blown film device 1
Production capacity power is adapted.Film cylinder strip bypasses multiple transition rollers 6, then winder driven roller 7 is bypassed with larger cornerite, by what is rotated
Winder driven roller 7 provides secondary tractive force, and the tension detecting apparatus of film cylinder strip, control device are provided with transition roller 6
By the rotating speed for detecting the tension force winder driven roller 7 of film cylinder strip.Film cylinder strip is pulled the traction to roller 14, passes through
Crimping unit 10 is scalded, the insertion insert edge of interior flanging 21 backing plate 8 of film 2 strips of cylinder herein scalds the lowering or hoisting gear drop of crimping unit 10
Under, hot pressure forms flanging 22 in film 2 strips of cylinder, and as shown in Fig. 7,12, film 2 strips of cylinder walk on, and press crimping unit 11
Fall, the flanging of hot pressure is flattened, press the lowering or hoisting gear of crimping unit 11 preferably to use cylinder.Film 2 strips of cylinder walk on,
By scalding base device 12, the lowering or hoisting gear for scalding base device 12 is fallen, and hot pressure forms base 23 in film 2 strips of cylinder, such as schemes
8th, shown in 12, base 23 intersects with the vertical line section of flanging 22, to avoid stress concentration.Film 2 strips of cylinder walk on through overvoltage
Base device 13, presses the lowering or hoisting gear of base device 13 to fall, and the base of hot pressure is flattened.By after the cutting of cutter sweep 18
Obtain the finished product of bag with square bottom 17.In the walking process of film 2 strips of cylinder, multiple transition rollers 6, and at least one idler roller are provided with
Idler roller 16 is arranged between boiling hot crimping unit 10 and boiling hot base device 12 in 16, Fig. 1, is arranged on boiling hot crimping unit 10 and is scalded
The upstream or downstream of base device 12 are also feasible.
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
Independent blown film device, the production and processing Capability Requirement for enterprise is higher.In another optional scheme, using common film cylinder
After strip carries out interior pre-flanging operation, then carry out producing bag with square bottom after scalding flanging, boiling hot base.
In another optional scheme, insert edge shaped device 3 and blown film device 1 are replaced with negative pressure insert edge shaped device 19, such as
In Figure 11, a kind of negative pressure insert edge shaped device 19, with a cavity, the cavity is provided with an entrance and an outlet, film cylinder strip from
Entrance enters, and is discharged from outlet, and the entrance and exit of cavity is flat structure, cavity middle height increase, in cavity
Fork strap 305 is provided with, the structure of fork strap 305 is identical with the structure in foregoing embodiment 1.The upper wall and lower wall of cavity are negative
The pressure structure of cavity 1903, the inwall of vacuum cavity 1903 is provided with multiple stomatas 1901, and outer wall is provided with least one vacuum orifice
1902.Preferably, driving is provided with to roller 4 in the position of cavity outlet.When using, the film cylinder strip of drum 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 overdriving to roller 4, film cylinder
By fork strap 305, interior flanging 21 is gradually formed, and roller 4 is flattened film forming cylinder strip by being driven.Thereafter structure is film cylinder band
Material bypasses multiple transition rollers 6, by scalding crimping unit 10, scalding base device 12 and cutter sweep 18, obtains bag with square bottom, follow-up work
Sequence is in the same manner as in Example 1.Using the structure, the normal film cylinder strip for being to carry out interior flanging can be used to be given birth to as raw material
Produce.
The above embodiments are only optimal technical scheme of the present utility model, and are not construed as limit of the present utility model
System, the feature in embodiment and embodiment in the application can mutually be combined in the case where not conflicting.This practicality is new
Technical characteristic in the technical scheme that the protection domain of type should be recorded with claim, including the technical scheme of claim record
Equivalents are protection domain.Equivalent i.e. within this range is improved, also protection domain of the present utility model it
It is interior.
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）Motion；
It is inserted into film cylinder for a pair（2）Interior flanging（21）Insert edge backing plate（8）；
One group scalds crimping unit（10）, scald crimping unit（10）Paired 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：Described carry-over pinch rolls for it is arranged in pairs by
Drive device drives the traction of rotation to roller（14）；
Or described carry-over pinch rolls are the film cylinder driven roller that rotation is driven by drive device（7）, in film cylinder driven roller（7）'s
Both sides are provided with for increasing 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；
Described tension-adjusting gear is damp type tension-adjusting gear, tensioning roll-type tension-adjusting gear or roller tension force
Adjusting means.
4. a kind of bag with square bottom production line according to claim 1, it is characterized in that：Described boiling hot base device（12）It is arranged on
Scald crimping unit（10）Downstream；
In boiling hot crimping unit（10）Downstream be provided with pressure crimping unit（11）；
In boiling hot base device（12）Downstream be provided with pressure base device（13）.
5. a kind of bag with square bottom production line according to claim 1, it is characterized in that：Described boiling hot crimping unit（10）With boiling hot bottom
Side device（12）Structure be connected with lowering or hoisting gear for block, described block is heating element heater, is used to heat and bonding film cylinder
（2）.
6. a kind of bag with square bottom production line according to claim 5, it is characterized in that：Described boiling hot crimping unit（10）In, plus
Thermal element and film cylinder（2）The position of contact is an oblique line, and oblique line is near film cylinder（2）The termination of center line connects a vertical line；
Described boiling hot base device（12）In, heating element heater 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：Described boiling hot crimping unit（10）With boiling hot bottom
Side device（12）In, block（10011）Inside it is provided with embedded with metal piece（10013）, embedded with metal piece（10013）It is provided with and film cylinder
（2）The projection of contact, in embedded with metal piece（10013）Inner side is provided 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 with the most downstream of production line
Device（18）；
Described cutter sweep（18）It is the blade driven by lowering or hoisting gear；
Or described cutter sweep（18）It is along film cylinder（2）The blade of width operation（1802）, blade（1802）With
Drive device is connected.
9. a kind of bag with square bottom production line according to claim 1, it is characterized in that：Insert edge shaping is provided with the upstream of production line
Device（3）, insert edge shaped device（3）Positioned at blown film device（1）Above or below；
Described insert edge shaped device（3）In be provided with two relative fork straps（305）, fork strap（305）For in film cylinder（2）
Both sides form the flanging to interior folding；
Insert edge shaped device（3）In be additionally provided with make film cylinder（2）The shaping frame for gradually flattening, shaping frame is 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：Negative pressure is provided with the upstream of production line to insert
Edge forming device（19）；
The negative pressure insert edge shaped device（19）Structure be：Negative pressure insert edge shaped device（19）With a cavity, the cavity sets
There are an entrance and an outlet, film cylinder strip enters from entrance, discharged from outlet, and the entrance and exit of cavity is flat knot
Structure, cavity middle height increase, is provided with fork strap in cavity（305）；
The upper wall and lower wall of cavity are vacuum cavity（1903）Structure, vacuum cavity（1903）Inwall be provided with multiple stomatas
（1901）, outer wall is provided with least one vacuum orifice（1902）.
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| CN201621323861.4U CN206230953U (en) | 2016-12-05 | 2016-12-05 | Bag with square bottom production line |
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| CN107791588A (en) * | 2017-10-27 | 2018-03-13 | 湖州骏马包装材料有限公司 | A kind of production and processing device of plastic packaging bag |
| CN108146019A (en) * | 2016-12-05 | 2018-06-12 | 宜昌市福沃特科技有限公司 | Bag with square bottom production line |
| CN108568161A (en) * | 2018-06-26 | 2018-09-25 | 江苏蓝天环保集团股份有限公司 | A kind of antistatic filter bag and its process units |
| CN108638580A (en) * | 2018-08-01 | 2018-10-12 | 广东顺德博丰塑料机械有限公司 | A kind of Bag Making Machine |
| CN109719998A (en) * | 2019-01-09 | 2019-05-07 | 四川汇利实业有限公司 | A kind of Key works Drug packing equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108146019A (en) * | 2016-12-05 | 2018-06-12 | 宜昌市福沃特科技有限公司 | Bag with square bottom production line |
| CN107791588A (en) * | 2017-10-27 | 2018-03-13 | 湖州骏马包装材料有限公司 | A kind of production and processing device of plastic packaging bag |
| CN107745547A (en) * | 2017-11-06 | 2018-03-02 | 温州正钻机械有限公司 | Plastic three-dimensional bag side bottom both sides hotly join exhaust shaped device |
| CN108568161A (en) * | 2018-06-26 | 2018-09-25 | 江苏蓝天环保集团股份有限公司 | A kind of antistatic filter bag and its process units |
| CN108638580A (en) * | 2018-08-01 | 2018-10-12 | 广东顺德博丰塑料机械有限公司 | A kind of Bag Making Machine |
| CN109719998A (en) * | 2019-01-09 | 2019-05-07 | 四川汇利实业有限公司 | A kind of Key works Drug packing equipment |
| CN110271222A (en) * | 2019-06-18 | 2019-09-24 | 吕飞 | Multi-layer bag machine |
| CN110271222B (en) * | 2019-06-18 | 2021-05-04 | 吕飞 | Multilayer bagging machine |
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