CN108705807A - A kind of former of the bis- lamination paper table wares of PLA - Google Patents
A kind of former of the bis- lamination paper table wares of PLA Download PDFInfo
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- CN108705807A CN108705807A CN201810876944.3A CN201810876944A CN108705807A CN 108705807 A CN108705807 A CN 108705807A CN 201810876944 A CN201810876944 A CN 201810876944A CN 108705807 A CN108705807 A CN 108705807A
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- mold
- annular knurl
- cup
- bis
- edge
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- 238000003475 lamination Methods 0.000 title claims abstract description 32
- 238000007664 blowing Methods 0.000 claims abstract description 36
- 238000003860 storage Methods 0.000 claims abstract description 35
- 238000010438 heat treatment Methods 0.000 claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims description 55
- 238000002788 crimping Methods 0.000 claims description 24
- 238000000465 moulding Methods 0.000 claims description 16
- 238000005096 rolling process Methods 0.000 claims description 8
- 239000004429 Calibre Substances 0.000 claims description 7
- 230000003028 elevating effect Effects 0.000 claims description 6
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 6
- 230000008859 change Effects 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 10
- 238000002386 leaching Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000012528 membrane Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000032798 delamination Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000011265 semifinished product Substances 0.000 description 2
- 208000034530 PLAA-associated neurodevelopmental disease Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- 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
- B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
-
- 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
- B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
- B31B50/59—Shaping sheet material under pressure
-
- 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
- B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
- B31B50/60—Uniting opposed surfaces or edges; Taping
- B31B50/64—Uniting opposed surfaces or edges; Taping by applying heat or pressure, e.g. by welding
-
- 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
- B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
- B31B50/74—Auxiliary operations
Landscapes
- Making Paper Articles (AREA)
Abstract
The present invention relates to a kind of formers of the bis- lamination paper table wares of PLA comprising rack and bottom heater in rack is arranged；The bottom heater includes heating furnace mold, and blowing hot-air mold is housed in the heating furnace mold, and the blowing hot-air mold is equipped with blowhole, and blowhole is inclined to set, and the central axis of the blowhole and the angle of longitudinal straight line are angle of inclination.The blowing hot-air mould structure that the present invention passes through change bottom storage heater, the blowhole of the blowing hot-air mold is inclined to set, and its angle of inclination is set as 30 ° ± 2 °, set the airborne of blowhole to 0.8mm simultaneously, to change blowing area of the bottom storage heater to bottom of a cup, phenomena such as avoiding bottom storage heater from blowing to cup body and itself is caused to be layered, blister, ensure that the quality of the bis- lamination tablewares of PLA.
Description
Technical field
The present invention relates to paper table ware processing equipment fields, and in particular to a kind of molding of the bis- lamination paper table wares of PLA is set
It is standby.
Background technology
Dixie cup former is cup body and bottom of a cup that be a kind of while processing dixie cup, then combines cup body with bottom of a cup implementation
Process equipment.
And current dixie cup former is not directed to the bis- leaching of PLA mainly for the production of PE types dixie cup and list PLA dixie cups
The former of the paper table wares such as film dixie cup.If the former of the former of PE type dixie cups or list PLA dixie cups used
In the production bis- laminated paper cups of PLA, then the bis- laminated paper cup poor qualities of PLA produced can not normal use.
In view of this, the present inventor do not attain for the bis- lamination papery tableware moulding equipments of above-mentioned PLA improve it is caused all
More missings and inconvenience, and deeply conceive, and actively research improvement has a fling at, and then find producing in the bis- lamination paper table wares of PLA
It specifically has the following problems in the process：
For the bis- leaching membrane papers of PLA of bottom of a cup when being heated via storage heater, the air outlet angle of bottom storage heater is big, is carrying out
Bottom of a cup can heat cup body while heating, and the heat resisting temperature of the bis- lamination paper of the PLA of bottom of a cup and cup body is different
, thus lead to occur the phenomenon that film layer blistering, delamination, paper separation in cup body.
When carrying out volume bottom after cup body and bottom of a cup combination, due to the characteristic of the bis- lamination paper of PLA, it can become after heated
Harder than other materials paper, so when rolling up bottom, smaller volume bottom Embarrassing degree can cause the bis- lamination paper of PLA to deform,
Cause cup body and bottom of a cup can not combination forming.
When carrying out bottom of a cup annular knurl, due to cup body and the bis- laminations of the equal PLA of bottom of a cup, then its lateral surface will produce after the heating
Certain sugar, when carrying out annular knurl, sugar can stick together the annular knurl opening in annular knurl mold, so as to cause the rolling of annular knurl mold
The flowers are in blossom, and mouth bore becomes smaller, so that bottom of a cup is when carrying out annular knurl, pressure footprints are apparent, when holding liquid, are susceptible to
Leakage.
Due to the heated rear degraded toughness of the bis- lamination paper of PLA, the dynamics of bearing becomes smaller, when carrying out cup body wiredrawn edge, at rim of a cup
The phenomenon that will appear layering, being open, crumple.
As long as so solving the above problem that the bis- lamination paper table wares of PLA occur in process of production, you can production pledge
The bis- lamination paper table wares of high PLA are measured, thus this case generates.
Invention content
The purpose of the present invention is to provide a kind of formers that can produce the bis- lamination paper table wares of PLA.
To achieve the above object, the technical solution adopted by the present invention is：
A kind of former of the bis- lamination paper table wares of PLA comprising rack and the absorbing mechanism being arranged in rack, first
Storage heater, ultrasonic heaters, Song Di mechanisms, combined mechanism, the second storage heater, third storage heater, volume bottom
Mechanism, bottom of a cup knurling mechanism, rim of a cup curling mechanism, second storage heater and third storage heater are bottom-heated
Device；The bottom heater includes heater body, blowing air blower, heating furnace mold and blast pipe, the blast pipe
Connection blowing air blower, the blowing air blower connect heater body, and the heater body connects heating furnace mold, described
Blowing hot-air mold is housed, the blowing hot-air mold is equipped with the blowhole of multiple spaced sets, the blowhole in heating furnace mold
It is connected to blowing hot-air mould inside and outside, and blowhole is inclined to set, the central axis of the blowhole and longitudinal straight line
Angle is angle of inclination, which is 30 ° ± 2 °, aperture 0.8mm.
The roller bottom mechanism includes the actuator for rolling up bed die tool and driving volume bed die tool rotation, wherein actuator includes
Rotary sleeve and one end with spline are inserted in the spline of rotary sleeve, the driving of the other end and volume bed die tool linkage
Bar；The volume bottom groove of the volume bed die tool equipped with opening upwards and the mounting hole with drive rod cooperation, volume bed die tool pass through
The mounting hole fitted bolt is locked on drive rod；
Volume bottom groove includes slot bottom and is connected to the outside trough rim at slot bottom both ends and inside slot edge, wherein slot bottom
For arc structure comprising the first circular arc and the second circular arc, trough rim on the outside of the first circular sliding slopes, the second circular sliding slopes inner side slot
Side, the outside trough rim and inside slot edge are inclined surface structure.
The radius R1 of first circular arc is 1.7mm, and the radius R2 of the second circular arc is 3mm；The outside trough rim and volume
The centerlines of bed die tool are the angle of inclination of outside trough rim, which is 15 °.
The knurling mechanism includes the mounting cylinder of annular knurl mold being housed and set on rotatable annular knurl component in mounting cylinder, rolling
Flower component includes to be set up in mounting cylinder and rotatable annular knurl mounting base and be set up in annular knurl mounting base and pacify with annular knurl
The knurled wheel that is detachably connected of dress seat, mounting cylinder at the other end of setting annular knurl mold one end relative to being equipped with elevating mechanism；It should
Elevating mechanism includes the lifting seat being connect with mounting cylinder and lifting seat pedestal disposed in parallel and is set up in pedestal and lifting seat
Between cylinder；
The annular knurl mold is open equipped with an annular knurl, and the side wall of annular knurl opening is to be obliquely installed comprising annular in shape first
Sloped sidewall and the second sloped sidewall, the bore of the first sloped sidewall are less than the bore of the second sloped sidewall.
The angle of inclination of second sloped sidewall is 9 °, and the angle of inclination of the first sloped sidewall is 5.66 °, and first inclines
The lowest calibre of oblique side wall is 51.82mm.
The rim of a cup curling mechanism includes rotatable turntable, and turntable is equipped at least one for dixie cup placement
Sleeve, be provided with the mobile holder moved back and forth towards turntable above turntable, mobile holder is equipped with can be with turntable upper bush
Position cooperation preliminary crimping component and molding crimping component, the preliminary crimping component include be set up on holder and can week
The actuator rotated to the preliminary die with edge-folded of rotation and the preliminary volume mold of driving；The molding crimping component includes to be set up in
Mounting plate on holder and the molding die with edge-folded being connect with mounting plate；
The preliminary die with edge-folded is identical with molding die with edge-folded structure, that is, is die with edge-folded；The die with edge-folded is equipped with
Downward opening crimping groove, the crimping groove include a slot bottom and are separately connected and the outside trough rim at slot bottom both ends and inside
Trough rim, wherein slot bottom is arc structure comprising the first circular arc and the second circular arc, the first circular sliding slopes inside slot edge, the second circle
Arc connection outside trough rim.The radius of first circular arc is 15mm, and the radius of the second circular arc is 1.8mm, the outside trough rim with
The centerline axis parallel of die with edge-folded, inner side slot are then to be obliquely installed.
To sum up, the present invention by change bottom storage heater blowing hot-air mould structure, by blowing for the blowing hot-air mold
Air holes is inclined to set, and its angle of inclination is set as 30 ° ± 2 °, while setting the airborne of blowhole to 0.8mm, to
Change blowing area of the bottom storage heater to bottom of a cup, avoid bottom storage heater from blowing to cup body and itself is caused to be layered,
Phenomena such as blistering, also ensures the quality of the bis- lamination tablewares of PLA.
In addition, the present invention increases the outside trough rim of volume bottom groove by the way that the volume bottom groove of roller bottom mechanism to be changed
Angle of inclination, while the slot bottom for rolling up bottom groove being changed to be combined by both ends circular arc and is formed, so that the volume base angle degree that volume bed die has is presented
Go out the trend of gradual change, the bis- lamination bottom of a cup of PLA after heating can be well adapted to, bottom of a cup is avoided and deform and lead to not
The case where molding, to further ensure the quality of the bis- lamination tablewares of PLA.
The present invention by the annular knurl opening sidewalls of annular knurl mold by being set as including annular in shape the first sloped sidewall and the
Two sloped sidewalls, while the lowest calibre of the second sloped sidewall suitably being increased.Annular knurl mold is fitted well
Bottom of a cup structure is answered, and the lowest calibre of the second sloped sidewall is increased so that when the sugar of bottom of a cup sticks together annular knurl opening sidewalls
When upper, annular knurl mold still is able to preferably carry out annular knurl to bottom of a cup, and it is excessive to the active force of bottom of a cup and lead to avoid annular knurl mold
It causes bottom of a cup annular knurl emergent apparent, cup sepage is even resulted in, to improve the quality of the bis- laminated paper cups of PLA and other tablewares.
By setting the slot bottom of the crimping groove of die with edge-folded to the circular arc being made of both ends circular arc as a result, simultaneously, inciting somebody to action
The centerline axis parallel of its outside trough rim and die with edge-folded, inner side slot is then to be obliquely installed, to reduce wiredrawn edge mold in wiredrawn edge
When to the active force of rim of a cup, avoid rim of a cup from leading to its layering because active force is excessive, be open and crumple, to improve the bis- leaching of PLA
The quality of film dixie cup and other tablewares.
Description of the drawings
Fig. 1 is the overall schematic of former of the present invention；
Fig. 2 is the structural schematic diagram of storage heater of the present invention；
Fig. 3 is the heating furnace mold structure diagram of storage heater of the present invention；
Fig. 4 is the blowing hot-air mold structure diagram of storage heater of the present invention；
Fig. 5 is the structural schematic diagram of roller bottom mechanism of the present invention；
Fig. 6 is the volume bottom mold structure diagram of roller bottom mechanism of the present invention；
Fig. 7 is the volume bottom die cut view of roller bottom mechanism of the present invention；
Fig. 8 is the structural schematic diagram of bottom of a cup knurling mechanism of the present invention；
Fig. 9 is annular knurl mold structure diagram of the present invention；
Figure 10 is the sectional view of annular knurl mold of the present invention；
Figure 11 is the structural schematic diagram of rim of a cup curling mechanism of the present invention；
Figure 12 is the preliminary die with edge-folded structural schematic diagram of the present invention；
Figure 13 is present invention molding die with edge-folded structural schematic diagram；
Figure 14 is the sectional view of die with edge-folded of the present invention.
Specific implementation mode
As shown in Figure 1, present invention is disclosed a kind of formers of the bis- lamination paper table wares of PLA comprising rack and
The absorbing mechanism 1 that is arranged in rack, the first storage heater 21, ultrasonic heaters 3, Song Di mechanisms 4, combined mechanism 5,
Two storage heaters 22, third storage heater 23, roller bottom mechanism 6, bottom of a cup knurling mechanism 7, rim of a cup curling mechanism 8.
When producing the bis- lamination paper table ware such as dixie cups of PLA, bis- leaching membrane papers of PLA that cup body will be formed by absorbing mechanism 1
It is sent into former, then the two sides of the bis- leaching membrane papers of PLA is heated by the first storage heater 21, heating is completed
The two sides of the bis- leaching membrane papers of PLA are bonded by ultrasonic heaters 3 afterwards, form cup body.Then cup body enters combination machine
In structure 5, the bottom of a cup being sent into Song Di mechanisms 4 is combined, and the second storage heater 22 and third storage heater 23 are to bottom of a cup
It is heated, after the completion of heating, volume bottom is carried out by roller bottom mechanism 6.Roll up bottom after the completion of by bottom of a cup knurling mechanism 7 to annular knurl at
It manages, after the completion of bottom of a cup annular knurl, crimping processing is carried out to rim of a cup by rim of a cup curling mechanism 8, after the completion of processing, you can obtain PLA
Double laminated paper cups.
Above-mentioned absorbing mechanism 1, ultrasonic heaters 3, Song Di mechanisms 4, combined mechanism 5 and the molding of existing PE types dixie cup are set
Mechanism in standby or single PLA dixie cup formers is identical, herein without repeating.It below will be to the bis- lamination paper table wares of PLA
The bottom storage heater 2 of former（Second storage heater 22, third storage heater 23）, roller bottom mechanism 6, bottom of a cup rolling
Flower mechanism 7, rim of a cup curling mechanism 8 are described in detail.
Wherein, the second storage heater 22 and third storage heater 23 are bottom storage heater 2, and its structure phase
Together.As shown in Figures 2 to 4, bottom storage heater 2 includes heater body 24, blowing air blower 25,26 and of heating furnace mold
Blast pipe 27, the blast pipe connection blowing air blower, the blowing air blower connect heater body, the heater body
Connect heating furnace mold, blowing air blower 25 by air via blast pipe 27 introduce heater body 24 in, after heating hot gas by
Heating furnace mold 26 is blown out, to be heated to bottom of a cup.Blowing hot-air mold 28, blowing hot-air mold are housed in heating furnace mold 26
28 top is equipped with the blowhole 281 of multiple spaced sets, which is connected to 28 inside of blowing hot-air mold and outside,
And blow blowhole 281 and be inclined to set, the central axis of blowhole and the angle of longitudinal straight line are angle of inclination, the angle of inclination
θ 1 is 30 ° ± 2 °, aperture 0.8mm.
By the way that the blowhole 281 of blowing hot-air mold 28 is changed to be obliquely installed, and by its tilt angle theta 1 be set as 30 ° ±
2 °, while setting the aperture of blowhole 281 to 0.8mm, thus reduce the blowing area of blowing hot-air mold 28 so that Base Heat
When being heated to bottom of a cup, the hot wind that blowhole 281 is blown out will not be blown in cup body wind heater 2, to effectively prevent
There is phenomena such as blistering, delamination in cup body, the bond properties of bottom of a cup and cup body is also further ensured, to improve the bis- laminations of PLA
The quality of dixie cup or other tablewares.
As shown in Figures 5 to 7, roller bottom mechanism 6 includes the actuator of 61 rotation of volume bed die tool 61 and driving volume bed die tool,
Wherein, actuator includes that there is the rotary sleeve 62 of spline 64 and one end to be inserted in the spline 63 of rotary sleeve 64, another
The drive rod 63 at end and 61 linkage of volume bed die tool.Roll up bed die tool 61 be equipped with opening upwards volume bottom groove 611 and with driving
The mounting hole 612 of bar cooperation, volume bed die tool 61 are locked in by 612 fitted bolt of mounting hole on drive rod 63.Roll up bottom groove
611 include slot bottom 6111 and are connected to the outside trough rim 6113 and inside slot edge 6112 at 6111 both ends of slot bottom, wherein slot
Bottom 6111 is arc structure comprising the first circular arc 61111 and the second circular arc 61112, the first circular arc 61111 connection outside trough rim
6113, the second circular arc 61112 connects inside slot edge 6112, and the radius R1 of the first circular arc 61111 is 1.7mm, the second circular arc
61112 radius R2 is 3mm.Outside trough rim 6113 and inside slot edge 6112 are inclined surface structure, outside trough rim 6113 and volume bottom
The centerlines of mold 61 are the angle of inclination of outside trough rim 6113, which is 15 °.
By the way that the volume bottom groove 611 of roller bottom mechanism to be changed, inclining for the outside trough rim 6113 of volume bottom groove 611 is increased
Rake angle, while the slot bottom 6111 for rolling up bottom groove 611 being changed to be combined by both ends circular arc and is formed, make the volume base angle of volume bed die tool 61
Degree shows the trend of gradual change, can well adapt to the bis- lamination bottom of a cup of PLA after heating.
As shown in Fig. 8 to Figure 10, knurling mechanism 7 includes the mounting cylinder 71 of annular knurl mold 711 being housed and set on mounting cylinder 71
Interior rotatable annular knurl component 72, annular knurl component 72 include to be set up in mounting cylinder 71 and rotatable annular knurl mounting base 721
And the knurled wheel 722 for being set up in annular knurl mounting base 721 and being detachably connected with annular knurl mounting base 721, mounting cylinder 71 relative to
It is arranged at the other end of 711 one end of annular knurl mold and is equipped with elevating mechanism 73；The elevating mechanism 73 includes to be connect with mounting cylinder 71
Lifting seat 731 and lifting seat 731 pedestal 732 disposed in parallel and the cylinder that is set up between pedestal 731 and lifting seat 731
733.Annular knurl mold 711 is equipped with annular knurl opening 7111, and the side wall of annular knurl opening 7111 is to be obliquely installed comprising annular in shape
The first sloped sidewall 7112 and the second sloped sidewall 7113, the bore of the first sloped sidewall 7112 is less than the second sloped sidewall
7113 bore.Wherein the tilt angle theta 3 of the second sloped sidewall 7113 is 9 °, the tilt angle theta 4 of the first sloped sidewall 7112
It it is 5.66 °, and the lowest calibre of the first sloped sidewall 7112 is 51.82mm.
By the way that annular knurl 7111 side walls of opening of annular knurl mold 711 are set as including the first sloped sidewall 7112 annularly
With the second sloped sidewall 7113, while the lowest calibre of the second sloped sidewall 7113 suitably being increased.Make annular knurl mold
It can be well adapted for bottom of a cup structure, and the lowest calibre of the second sloped sidewall 7113 is increased so that when the sugar of bottom of a cup
When sticking together on annular knurl 7111 side walls of opening, annular knurl mold 711 still is able to preferably carry out annular knurl to bottom of a cup, avoids annular knurl mold
The active force of 7111 pairs of bottom of a cup is excessive and causes bottom of a cup annular knurl emergent apparent, cup sepage is even resulted in, to improve the bis- leaching of PLA
The quality of film dixie cup and other tablewares.
As shown in Figure 11 to 14, rim of a cup curling mechanism 8 includes rotatable turntable 81, and turntable 81 is equipped with extremely
A few sleeve 811 placed for dixie cup, 81 top of turntable is provided with the mobile holder 82 moved back and forth towards turntable, mobile
Holder 82 is equipped with the preliminary crimping component 83 that can coordinate with 81 upper bush of turntable, 811 position and molding crimping component 84, is adding
During work, wait for that the semi-finished product dixie cup of crimping is endlessly delivered on turntable 81, meanwhile, preliminary crimping component 83 and at
Type crimping component 84 then can be to waiting for that the semi-finished product dixie cup of crimping implements processing on turntable 81.Wherein, preliminary crimping component 83 includes
There is the drive that the preliminary die with edge-folded 831 that is set up on mobile holder 82 and can rotate in a circumferential direction and the preliminary volume mold 831 of driving rotate
Moving part 832, actuator 832 can be driving motor.It includes the mounting plate being set up on mobile holder 82 to be molded crimping component 84
842 and the molding die with edge-folded 841 that is connect with mounting plate 842.
Preliminary die with edge-folded 831 is identical with molding 841 structure of die with edge-folded, that is, is die with edge-folded 85.Die with edge-folded 85
It is equipped with downward opening crimping groove 851, which includes a slot bottom 8511 and be separately connected and slot bottom 8511
The outside trough rim 8513 and inside slot edge 8512 at both ends, wherein slot bottom 8511 is arc structure comprising the first circular arc 85111
With the second circular arc 85112, the first circular arc 85111 connects inside slot edge 8512, and the second circular arc 85112 connects outside trough rim 8513,
The radius R3 of first circular arc 85111 is 15mm, and the radius R4 of the second circular arc 85112 is 1.8mm, outside trough rim 8513 and wiring dit
The centerline axis parallel of tool 85, inside slot edge 8512 are then to be obliquely installed.
By setting the slot bottom of the crimping groove of die with edge-folded to the circular arc being made of both ends circular arc as a result, simultaneously, inciting somebody to action
The centerline axis parallel of its outside trough rim and die with edge-folded, inner side slot is then to be obliquely installed, to reduce wiredrawn edge mold in wiredrawn edge
When to the active force of rim of a cup, avoid rim of a cup from leading to its layering because active force is excessive, be open and crumple.And bottom groove slot bottom will be rolled up
The radius R3 of the first circular arc be set as 15mm, the radius R4 of the second circular arc is set as 1.8mm so that the wiredrawn edge quality of rim of a cup is more
Add.
To sum up, the present invention by by storage heater blowing hot-air mold, roller bottom mechanism volume bed die tool, bottom of a cup annular knurl
The annular knurl mold of mechanism and the die with edge-folded of rim of a cup curling mechanism have made change, have ensured the bis- lamination paper table wares of PLA
Production.
The above is only the embodiment of the present invention, is not intended to limit the scope of the present invention, therefore every
According to the technical essence of the invention to any subtle modifications, equivalent variations and modifications made by above example, this is still fallen within
In the range of inventive technique scheme.
Claims (7)
1. a kind of former of the bis- lamination paper table wares of PLA comprising rack and the absorbing mechanism being arranged in rack,
One storage heater, ultrasonic heaters, Song Di mechanisms, combined mechanism, the second storage heater, third storage heater, volume
Bottom mechanism, bottom of a cup knurling mechanism, rim of a cup curling mechanism, second storage heater and third storage heater are bottom-heated
Device；It is characterized in that：The bottom heater includes heater body, blowing air blower, heating furnace mold and blast pipe,
The blast pipe connection blowing air blower, the blowing air blower connect heater body, the heater body connection heating
Stove mold, the heating furnace mold is interior to be equipped with blowing hot-air mold, and the blowing hot-air mold is equipped with the blowing of multiple spaced sets
Hole, the blowhole be connected to blowing hot-air mould inside with it is external, and blowhole is inclined to set, the central axis of the blowhole with
The angle of longitudinal straight line is angle of inclination, which is 30 ° ± 2 °, aperture 0.8mm.
2. a kind of former of the bis- lamination paper table wares of PLA according to claim 1, it is characterised in that：The volume bottom
Mechanism includes the actuator for rolling up bed die tool and driving volume bed die tool rotation, wherein actuator includes the rotation for having spline
Set and one end are inserted in the spline of rotary sleeve, the drive rod of the other end and volume bed die tool linkage；On the volume bed die tool
Volume bottom groove equipped with opening upwards and the mounting hole with drive rod cooperation, volume bed die tool are locked by the mounting hole fitted bolt
It is fixed on drive rod；
Volume bottom groove includes slot bottom and is connected to the outside trough rim at slot bottom both ends and inside slot edge, wherein slot bottom
For arc structure comprising the first circular arc and the second circular arc, trough rim on the outside of the first circular sliding slopes, the second circular sliding slopes inner side slot
Side, the outside trough rim and inside slot edge are inclined surface structure.
3. a kind of former of the bis- lamination paper table wares of PLA according to claim 2, it is characterised in that：Described first
The radius R1 of circular arc is 1.7mm, and the radius R2 of the second circular arc is 3mm；The center wire clamp of the outside trough rim and volume bed die tool
Angle is the angle of inclination of outside trough rim, which is 15 °.
4. a kind of former of the bis- lamination paper table wares of PLA according to claim 1, it is characterised in that：The annular knurl
Mechanism includes that the mounting cylinder of annular knurl mold is housed and is set to rotatable annular knurl component in mounting cylinder, and annular knurl component includes to set up
In in mounting cylinder and rotatable annular knurl mounting base and being set up in annular knurl mounting base and be detachably connected with annular knurl mounting base
Knurled wheel, mounting cylinder at the other end of setting annular knurl mold one end relative to being equipped with elevating mechanism；The elevating mechanism include with
The lifting seat of mounting cylinder connection and lifting seat pedestal disposed in parallel and the cylinder that is set up between pedestal and lifting seat；
The annular knurl mold is open equipped with an annular knurl, and the side wall of annular knurl opening is to be obliquely installed comprising annular in shape first
Sloped sidewall and the second sloped sidewall, the bore of the first sloped sidewall are less than the bore of the second sloped sidewall.
5. a kind of former of the bis- lamination paper table wares of PLA according to claim 4, it is characterised in that：Described second
The angle of inclination of sloped sidewall is 9 °, and the angle of inclination of the first sloped sidewall is 5.66 °, and the lowest calibre of the first sloped sidewall
For 51.82mm.
6. a kind of former of the bis- lamination paper table wares of PLA according to claim 1, it is characterised in that：The rim of a cup
Curling mechanism includes rotatable turntable, and turntable is equipped at least one sleeve placed for dixie cup, turntable top
It is provided with the mobile holder moved back and forth towards turntable, mobile holder is equipped with the preliminary volume that can coordinate with turntable upper bush position
Side component and molding crimping component, the preliminary crimping component includes the preliminary crimping that is set up on holder and can rotate in a circumferential direction
Mold and the actuator of the preliminary volume mold rotation of driving；The molding crimping component include the mounting plate being set up on holder and
The molding die with edge-folded being connect with mounting plate；
The preliminary die with edge-folded is identical with molding die with edge-folded structure, that is, is die with edge-folded；The die with edge-folded is equipped with
Downward opening crimping groove, the crimping groove include a slot bottom and are separately connected and the outside trough rim at slot bottom both ends and inside
Trough rim, wherein slot bottom is arc structure comprising the first circular arc and the second circular arc, the first circular sliding slopes inside slot edge, the second circle
Arc connection outside trough rim.
7. a kind of former of the bis- lamination paper table wares of PLA according to claim 6, it is characterised in that：Described first
The radius of circular arc is 15mm, and the radius of the second circular arc is 1.8mm, the centerline axis parallel of the outside trough rim and die with edge-folded,
Inside slot edge is then to be obliquely installed.
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| CN201810876944.3A CN108705807A (en) | 2018-08-03 | 2018-08-03 | A kind of former of the bis- lamination paper table wares of PLA |
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| CN111945465A (en) * | 2020-08-07 | 2020-11-17 | 宣城市博思特日用品有限公司 | Two PLA drench membrane paper cup equipment |
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| CN113134994A (en) * | 2021-04-16 | 2021-07-20 | 浙江新发现机械制造有限公司 | Paper container mold with pre-edge curling function |
| CN114228250A (en) * | 2021-12-14 | 2022-03-25 | 温州市新智特机械有限公司 | Method for forming bottom of paper container |
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