CN109235146A - A kind of method and molding die for eliminating paper pulp moulding product bending cracking - Google Patents
A kind of method and molding die for eliminating paper pulp moulding product bending cracking Download PDFInfo
- Publication number
- CN109235146A CN109235146A CN201811046399.1A CN201811046399A CN109235146A CN 109235146 A CN109235146 A CN 109235146A CN 201811046399 A CN201811046399 A CN 201811046399A CN 109235146 A CN109235146 A CN 109235146A
- Authority
- CN
- China
- Prior art keywords
- forming unit
- mould
- paper
- lower forming
- paper mould
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21J—FIBREBOARD; MANUFACTURE OF ARTICLES FROM CELLULOSIC FIBROUS SUSPENSIONS OR FROM PAPIER-MACHE
- D21J3/00—Manufacture of articles by pressing wet fibre pulp, or papier-mâché, between moulds
Abstract
The invention discloses a kind of technologies of elimination paper pulp moulding product bending cracking, specifically includes the following steps: Step 1: production molding die: molding die includes external mould frame, lower forming unit, upper forming unit, upper die and lower die；Step 2: production slurry: thickened pulp is made in raw material using pulping equipment, then screening filtering is carried out to thickened pulp, then the thickened pulp after screening is diluted, the dilute pulp for making paper pulp moulding product is made.Paper pulp moulding product manufactured by the present invention has good bending performance, obvious folding line is still not present in bending rear surface to a certain degree, compared with existing similar-type products in the market, paper pulp moulding product prepared by the present invention has more good service performance, can be applicable in the packing instructions of more high standard.
Description
Technical field
The present invention relates to paper mould processing technique fields, in particular to a kind of to eliminate what paper pulp moulding product bending was cracked
Method and molding die.
Background technique
With the continuous improvement of paper pulp moulding packing products production technology and the continuous promotion of quality, paper pulp moulding packing is produced
For product while application field constantly extends, paper pulp moulding packing products must have certain special performances, can be only achieved tool
The packing instructions of body, bent paper pulp moulding product appearance is exactly one of property, and paper pulp die in the prior art
The bent performance of molding product is poor, and general surface will appear obvious folding line after bending to a certain degree.
Therefore, the technology for inventing a kind of elimination paper pulp moulding product bending cracking is necessary to solve the above problems.
Summary of the invention
The purpose of the present invention is to provide a kind of technologies of elimination paper pulp moulding product bending cracking, by utilizing paper pulp die
The mode that modeling overturning is shifted with paper mould processes paper mould, so that paper pulp moulding product has good bending
Can, obvious folding line is still not present in bending rear surface to a certain degree, and compared with existing similar-type products in the market, the present invention is made
Standby paper pulp moulding product out has more good service performance, can be applicable in the packing instructions of more high standard, on solving
State the problem of proposing in background technique.
To achieve the above object, the invention provides the following technical scheme: a kind of eliminate what paper pulp moulding product bending was cracked
Technology, specifically includes the following steps:
Step 1: production molding die: molding die include external mould frame, lower forming unit, upper forming unit, upper mold, under
Mould；
Step 2: production slurry: thickened pulp is made in raw material using pulping equipment, is then sieving through to thickened pulp
Filter, then the thickened pulp after screening is diluted, the dilute pulp for making paper pulp moulding product is made；
Step 3: sizing material forming: dilute pulp obtained in appropriate step 2 being added to inside molding die and forms list
The top of member is dried after standing 12-17 minutes using 60-70 degrees Celsius of hot wind, and drying time is set as 6-8 minutes；
Step 4: paper mould is overturn: after the completion of drying, by lower forming unit and upper forming unit by the mould on external mould frame
It is taken out in slot, lower forming unit is then covered on upper forming unit surface, forming unit is located at upper forming unit top at present for this
Then lower forming unit and upper forming unit are carried out whole overturning by portion, so that upper forming unit is located at the top of lower forming unit；
Step 5: paper mould shifts: lower forming unit and upper forming unit being placed on vibratory equipment, so that vibration
Equipment drives lower forming unit to be vibrated by a small margin with upper forming unit, and time of vibration is set as 3-7 minutes, so that glutinous
Paper mould in upper forming unit bottom drop by upper forming unit bottom the top of lower forming unit；
Step 6: paper mould heats: the lower forming unit for carrying paper mould is put back to the die cavity on the inside of external mould frame
In, then the paper mould at the top of lower forming unit is heated using heating equipment, the heating temperature setting of heating equipment
It is 180-200 degrees Celsius, heating time is set as 6-8 minutes；
Step 7: paper mould is formed: after the completion of heating, external mould frame being placed at the top of lower die, upper mold is placed into outer
Framed top, the bottom connection of the lower forming blocks in lower die and lower forming unit inside stainless (steel) wire touches at this time, upper in upper mold
Forming blocks are in contact with the paper pulp molding forming at the top of lower forming unit, are then carried out down using hydraulic device to top plate in upper mold
Pressure, down force pressure are set as 17-23 tons, and pressing time is set as 20-30 minutes, and pressure is transmitted to by top plate by upper forming blocks
On paper mould, so that paper mould is formed；
Step 8: discharging: hydraulic device is removed, then by upper mold by removing at the top of external mould frame, then by lower forming unit
By being taken out in the die cavity on the inside of external mould frame, then upper forming unit is covered at the top of lower forming unit, then by lower forming unit
It overturns, lower forming unit and upper forming unit is placed on vibratory equipment again, time of vibration is set jointly with upper forming unit
It is set to 6-8 minutes, so that the paper mould of lower forming unit bottom is detached from and falls at the top of forming unit, after the completion of vibration,
The lower forming unit at the top of upper forming unit is removed by operator, then to the paper pulp die after the sizing on upper forming unit
Modeling is collected；
Step 9: cutting: cutting equipment using large size and cut to the paper mould after sizing, cut in paper mould
The through slot and V-shaped groove set out；
Step 10: bonding: according on paper mould through slot and V-shaped groove paper mould is folded, then rolling over
Environment-friendlyadhesive adhesive is smeared at folded place, so that product is made in paper mould；
Step 11: finishing: being modified to product edge obtained in step 10, using dressing tool by flash or more
Remaining waste material is dismissed.
Preferably, waiting environment-friendlyadhesive adhesive solidification in 10-15 minutes is stood after environment-friendlyadhesive adhesive is smeared in the step 10.
The present invention also provides molding dies used by a kind of technology of elimination paper pulp moulding product bending cracking, including
External mould frame, the external mould frame inside are equipped with die cavity, limited block are fixed on the die cavity inner wall, is equipped at the top of the limited block
Lower forming unit, the lower forming unit top are equipped with upper forming unit, and the lower forming unit includes with upper forming unit
Inner frame, the inner frame inside are fixed with stainless (steel) wire, run through in the inner frame and be equipped with adsorption magnet, the external mould frame
Top is equipped with upper mold and bottom and is equipped with lower die, and the upper mold includes top plate, the top plate bottom be fixed with forming blocks with
Buffer spring, the buffer spring are set to upper forming blocks two sides, and the lower die includes bottom plate, are fixed with down at the top of the bottom plate
Forming blocks.
Preferably, the external mould frame two sides are fixed with handle.
Preferably, the upper forming blocks cross section and lower forming blocks cross section are identical as stainless (steel) wire cross section.
The present invention also provides a kind of technology paper moulds produced of elimination paper pulp moulding product bending cracking, including
Paper mould ontology, the paper mould ontology inside are equipped with meshed groove.
Technical effect and advantage of the invention:
1, the present invention processes paper mould in the way of paper mould overturning and paper mould transfer, makes
Paper pulp moulding product has good bending performance, obvious folding line is still not present in bending rear surface to a certain degree, and in the market
Existing similar-type products are compared, and paper pulp moulding product prepared by the present invention has more good service performance, Ke Yishi
With the packing instructions of more high standard；
2, by being equipped with lower forming unit and upper forming unit, in order to carry out paper mould overturning and pulp molded rotary
When shifting, lower forming unit and upper forming unit can be alternately as the effects of upper cover and pedestal, thus convenient to paper mould
It is overturn and is shifted；
3, by through being equipped with adsorption magnet, being covered at the top of upper forming unit in order to lower forming unit in inner frame or
When upper forming unit is covered at the top of lower forming unit, adsorption magnet can effectively connect lower forming unit and upper forming unit
Connect, to prevent from carrying out paper mould transfer and when discharging, lower forming unit or upper forming unit shifted because of vibration or
It falls off.
Detailed description of the invention
Fig. 1 is process flow diagram of the invention.
Fig. 2 is molding die overlooking structure diagram of the invention.
Fig. 3 is molding die configuration schematic diagram of the invention.
In figure: 1 external mould frame, 2 die cavitys, 3 limited blocks, 4 lower forming units, forming unit on 5,6 inner frames, 7 stainless (steel) wires,
8 adsorption magnets, 9 upper molds, 10 lower dies, 11 top plates, 12 bottom plates, forming blocks, 14 buffer springs, 15 lower forming blocks, 16 handles on 13.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment 1
The present invention provides a kind of elimination paper pulp moulding product as shown in Figure 1 bending cracking technology, specifically include with
Lower step:
Step 1: production molding die: molding die includes external mould frame 1, lower forming unit 4, upper forming unit 5, upper mold
9, lower die 10；
Step 2: production slurry: thickened pulp is made in raw material using pulping equipment, is then sieving through to thickened pulp
Filter, then the thickened pulp after screening is diluted, the dilute pulp for making paper pulp moulding product is made；
Step 3: sizing material forming: dilute pulp obtained in appropriate step 2 being added to inside molding die and forms list
The top of member 5 is dried after standing 12 minutes using 60 degrees Celsius of hot wind, and drying time is set as 6 minutes；
Step 4: paper mould is overturn: after the completion of drying, by lower forming unit 4 with upper forming unit 5 by external mould frame 1
Die cavity 2 in take out, lower forming unit 4 is then covered on upper 5 surface of forming unit, this at present forming unit 4 be located at
Then lower forming unit 4 is carried out whole overturning with upper forming unit 5, so that under upper forming unit 5 is located at by 5 top of type unit
4 top of forming unit；
Step 5: paper mould shifts: lower forming unit 4 being placed on vibratory equipment with upper forming unit 5, so that vibration
Dynamic equipment drives lower forming unit 4 to be vibrated by a small margin with upper forming unit 5, and time of vibration is set as 3 minutes, so that
Stick together the top that the paper mould in upper 5 bottom of forming unit is dropped into lower forming unit 4 by upper 5 bottom of forming unit；
Step 6: paper mould heats: the lower forming unit 4 for carrying paper mould is put back to the mould of 1 inside of external mould frame
In slot 2, then heated using paper mould of the heating equipment to lower 4 top of forming unit, the heating temperature of heating equipment
180 degrees Celsius are set as, heating time is set as 6 minutes；
Step 7: paper mould is formed: after the completion of heating, external mould frame 1 being placed into 10 top of lower die, upper mold 9 is placed
To 1 top of external mould frame, the bottom connection of the lower forming blocks 15 in lower die 10 and lower 4 inside stainless (steel) wire 7 of forming unit is touched at this time,
Upper forming blocks 13 in upper mold 9 are in contact with the paper pulp molding forming at lower 4 top of forming unit, then using hydraulic device to upper
Top plate 11 is pushed in mould 9, and down force pressure is set as 17 tons, and pressing time is set as 20 minutes, and pressure is passed through by top plate 11
Upper forming blocks 13 are transmitted on paper mould, so that paper mould is formed；
Step 8: discharging: hydraulic device is removed, it is then that lower molding is single then by upper mold 9 by being removed at the top of external mould frame 1
Member 4 is taken out in the die cavity 2 by the inside of external mould frame 1, and upper forming unit 5 is then covered lower 4 top of forming unit, then by it is lower at
Lower forming unit 4, is placed on vibratory equipment by type unit 4 and the overturning jointly of upper forming unit 5 with upper forming unit 5 again,
Time of vibration is set as 6 minutes, so that the paper mould of 4 bottom of lower forming unit is detached from and falls on 5 top of forming unit, vibration
After the completion of dynamic, the lower forming unit 4 at upper 5 top of forming unit is removed by operator, is then determined on upper forming unit 5
Paper mould after type is collected；
Step 9: cutting: cutting equipment using large size and cut to the paper mould after sizing, cut in paper mould
The through slot and V-shaped groove set out；
Step 10: bonding: according on paper mould through slot and V-shaped groove paper mould is folded, then rolling over
Environment-friendlyadhesive adhesive is smeared at folded place, waiting environment-friendlyadhesive adhesive solidification in 10 minutes is stood after smearing environment-friendlyadhesive adhesive, so that product is made in paper mould；
Step 11: finishing: being modified to product edge obtained in step 10, using dressing tool by flash or more
Remaining waste material is dismissed.
Finished product obtained in 500 above-described embodiments is chosen, glossiness detection and surface roughness then are carried out to it
Then detection carries out bending detection to it, wherein 492 finished products reach it is found that wherein 482 finished products reach Eligibility requirements
Eligibility requirements, qualified product surface is without obvious folding line.
Embodiment 2
The present invention provides a kind of elimination paper pulp moulding product as shown in Figure 1 bending cracking technology, specifically include with
Lower step:
Step 1: production molding die: molding die includes external mould frame 1, lower forming unit 4, upper forming unit 5, upper mold
9, lower die 10；
Step 2: production slurry: thickened pulp is made in raw material using pulping equipment, is then sieving through to thickened pulp
Filter, then the thickened pulp after screening is diluted, the dilute pulp for making paper pulp moulding product is made；
Step 3: sizing material forming: dilute pulp obtained in appropriate step 2 being added to inside molding die and forms list
The top of member 5 is dried after standing 15 minutes using 65 degrees Celsius of hot wind, and drying time is set as 7 minutes；
Step 4: paper mould is overturn: after the completion of drying, by lower forming unit 4 with upper forming unit 5 by external mould frame 1
Die cavity 2 in take out, lower forming unit 4 is then covered on upper 5 surface of forming unit, this at present forming unit 4 be located at
Then lower forming unit 4 is carried out whole overturning with upper forming unit 5, so that under upper forming unit 5 is located at by 5 top of type unit
4 top of forming unit；
Step 5: paper mould shifts: lower forming unit 4 being placed on vibratory equipment with upper forming unit 5, so that vibration
Dynamic equipment drives lower forming unit 4 to be vibrated by a small margin with upper forming unit 5, and time of vibration is set as 5 minutes, so that
Stick together the top that the paper mould in upper 5 bottom of forming unit is dropped into lower forming unit 4 by upper 5 bottom of forming unit；
Step 6: paper mould heats: the lower forming unit 4 for carrying paper mould is put back to the mould of 1 inside of external mould frame
In slot 2, then heated using paper mould of the heating equipment to lower 4 top of forming unit, the heating temperature of heating equipment
190 degrees Celsius are set as, heating time is set as 7 minutes；
Step 7: paper mould is formed: after the completion of heating, external mould frame 1 being placed into 10 top of lower die, upper mold 9 is placed
To 1 top of external mould frame, the bottom connection of the lower forming blocks 15 in lower die 10 and lower 4 inside stainless (steel) wire 7 of forming unit is touched at this time,
Upper forming blocks 13 in upper mold 9 are in contact with the paper pulp molding forming at lower 4 top of forming unit, then using hydraulic device to upper
Top plate 11 is pushed in mould 9, and down force pressure is set as 20 tons, and pressing time is set as 25 minutes, and pressure is passed through by top plate 11
Upper forming blocks 13 are transmitted on paper mould, so that paper mould is formed；
Step 8: discharging: hydraulic device is removed, it is then that lower molding is single then by upper mold 9 by being removed at the top of external mould frame 1
Member 4 is taken out in the die cavity 2 by the inside of external mould frame 1, and upper forming unit 5 is then covered lower 4 top of forming unit, then by it is lower at
Lower forming unit 4, is placed on vibratory equipment by type unit 4 and the overturning jointly of upper forming unit 5 with upper forming unit 5 again,
Time of vibration is set as 7 minutes, so that the paper mould of 4 bottom of lower forming unit is detached from and falls on 5 top of forming unit, vibration
After the completion of dynamic, the lower forming unit 4 at upper 5 top of forming unit is removed by operator, is then determined on upper forming unit 5
Paper mould after type is collected；
Step 9: cutting: cutting equipment using large size and cut to the paper mould after sizing, cut in paper mould
The through slot and V-shaped groove set out；
Step 10: bonding: according on paper mould through slot and V-shaped groove paper mould is folded, then rolling over
Environment-friendlyadhesive adhesive is smeared at folded place, waiting environment-friendlyadhesive adhesive solidification in 13 minutes is stood after smearing environment-friendlyadhesive adhesive, so that product is made in paper mould；
Step 11: finishing: being modified to product edge obtained in step 10, using dressing tool by flash or more
Remaining waste material is dismissed.
Finished product obtained in 500 above-described embodiments is chosen, glossiness detection and surface roughness then are carried out to it
Then detection carries out bending detection to it, wherein 497 finished products reach it is found that wherein 498 finished products reach Eligibility requirements
Eligibility requirements, qualified product surface is without obvious folding line.
Embodiment 3
The present invention provides a kind of elimination paper pulp moulding product as shown in Figure 1 bending cracking technology, specifically include with
Lower step:
Step 1: production molding die: molding die includes external mould frame 1, lower forming unit 4, upper forming unit 5, upper mold
9, lower die 10；
Step 2: production slurry: thickened pulp is made in raw material using pulping equipment, is then sieving through to thickened pulp
Filter, then the thickened pulp after screening is diluted, the dilute pulp for making paper pulp moulding product is made；
Step 3: sizing material forming: dilute pulp obtained in appropriate step 2 being added to inside molding die and forms list
The top of member 5 is dried after standing 17 minutes using 70 degrees Celsius of hot wind, and drying time is set as 8 minutes；
Step 4: paper mould is overturn: after the completion of drying, by lower forming unit 4 with upper forming unit 5 by external mould frame 1
Die cavity 2 in take out, lower forming unit 4 is then covered on upper 5 surface of forming unit, this at present forming unit 4 be located at
Then lower forming unit 4 is carried out whole overturning with upper forming unit 5, so that under upper forming unit 5 is located at by 5 top of type unit
4 top of forming unit；
Step 5: paper mould shifts: lower forming unit 4 being placed on vibratory equipment with upper forming unit 5, so that vibration
Dynamic equipment drives lower forming unit 4 to be vibrated by a small margin with upper forming unit 5, and time of vibration is set as 7 minutes, so that
Stick together the top that the paper mould in upper 5 bottom of forming unit is dropped into lower forming unit 4 by upper 5 bottom of forming unit；
Step 6: paper mould heats: the lower forming unit 4 for carrying paper mould is put back to the mould of 1 inside of external mould frame
In slot 2, then heated using paper mould of the heating equipment to lower 4 top of forming unit, the heating temperature of heating equipment
200 degrees Celsius are set as, heating time is set as 8 minutes；
Step 7: paper mould is formed: after the completion of heating, external mould frame 1 being placed into 10 top of lower die, upper mold 9 is placed
To 1 top of external mould frame, the bottom connection of the lower forming blocks 15 in lower die 10 and lower 4 inside stainless (steel) wire 7 of forming unit is touched at this time,
Upper forming blocks 13 in upper mold 9 are in contact with the paper pulp molding forming at lower 4 top of forming unit, then using hydraulic device to upper
Top plate 11 is pushed in mould 9, and down force pressure is set as 23 tons, and pressing time is set as 30 minutes, and pressure is passed through by top plate 11
Upper forming blocks 13 are transmitted on paper mould, so that paper mould is formed；
Step 8: discharging: hydraulic device is removed, it is then that lower molding is single then by upper mold 9 by being removed at the top of external mould frame 1
Member 4 is taken out in the die cavity 2 by the inside of external mould frame 1, and upper forming unit 5 is then covered lower 4 top of forming unit, then by it is lower at
Lower forming unit 4, is placed on vibratory equipment by type unit 4 and the overturning jointly of upper forming unit 5 with upper forming unit 5 again,
Time of vibration is set as 8 minutes, so that the paper mould of 4 bottom of lower forming unit is detached from and falls on 5 top of forming unit, vibration
After the completion of dynamic, the lower forming unit 4 at upper 5 top of forming unit is removed by operator, is then determined on upper forming unit 5
Paper mould after type is collected；
Step 9: cutting: cutting equipment using large size and cut to the paper mould after sizing, cut in paper mould
The through slot and V-shaped groove set out；
Step 10: bonding: according on paper mould through slot and V-shaped groove paper mould is folded, then rolling over
Environment-friendlyadhesive adhesive is smeared at folded place, waiting environment-friendlyadhesive adhesive solidification in 15 minutes is stood after smearing environment-friendlyadhesive adhesive, so that product is made in paper mould；
Step 11: finishing: being modified to product edge obtained in step 10, using dressing tool by flash or more
Remaining waste material is dismissed.
Finished product obtained in 500 above-described embodiments is chosen, glossiness detection and surface roughness then are carried out to it
Then detection carries out bending detection to it, wherein 490 finished products reach it is found that wherein 494 finished products reach Eligibility requirements
Eligibility requirements, qualified product surface is without obvious folding line.
Embodiment 4
The present invention provides a kind of elimination paper pulp moulding product as Figure 2-3 bending cracking technology used by
Pattern has, including external mould frame 1, and die cavity 2 is equipped on the inside of the external mould frame 1, is fixed with limited block 3, institute on 2 inner wall of die cavity
State and be equipped with lower forming unit 4 at the top of limited block 3, upper forming unit 5 is equipped at the top of the lower forming unit 4, by be equipped with it is lower at
Type unit 4 and upper forming unit 5, in order to when carrying out paper mould overturning and being shifted with paper mould, lower forming unit 4 with it is upper
Forming unit 5 can be overturn and be shifted to paper mould to facilitate alternately as the effect of upper cover and pedestal, institute
It includes inner frame 6 that lower forming unit 4, which is stated, with upper forming unit 5, is fixed with stainless (steel) wire 7 on the inside of the inner frame 6, described
Through adsorption magnet 8 is equipped in inner frame 6, it is equipped with adsorption magnet 8 by running through in inner frame 6, in order to lower forming unit 4
Cover and cover at 5 top of upper forming unit or upper forming unit 5 at lower 4 top of forming unit, adsorption magnet 8 can effectively to it is lower at
Type unit 4 is attached with upper forming unit 5, to prevent when carrying out paper mould transfer and discharging, lower forming unit 4
Or upper forming unit 5 is shifted or is fallen off because of vibration, and upper mold 9 is equipped at the top of the external mould frame 1 and bottom is equipped with lower die 10, institute
Stating upper mold 9 includes top plate 11, and 11 bottom of top plate is fixed with forming blocks 13 and buffer spring 14, the buffer spring 14
Set on upper 13 two sides of forming blocks, the lower die 10 includes bottom plate 12, is fixed with lower forming blocks 15 at the top of the bottom plate 12.
Embodiment 5
In above-described embodiment 4,1 two sides of external mould frame are fixed with handle 16, in order to be moved easily and carry
The present invention.
In above-described embodiment 4, upper 13 cross section of forming blocks and lower 15 cross section of forming blocks are horizontal with stainless (steel) wire 7
Section is identical, in order to which external mould frame 1 is placed into 10 top of lower die, when upper mold 9 is placed into 1 top of external mould frame, in lower die 10
Lower forming blocks 15 and the bottom connection of lower 4 inside stainless (steel) wire 7 of forming unit touch, upper forming blocks 13 in upper mold 9 and it is lower at
The paper pulp molding forming at 4 top of type unit is in contact.
Embodiment 6
The present invention also provides a kind of technology paper moulds produced of elimination paper pulp moulding product bending cracking, including
Paper mould ontology, the paper mould ontology inside are equipped with meshed groove.
Following table can be obtained by above-described embodiment 1-3:
As seen from the above table, the paper pulp moulding product that all data produces in embodiment 2 has good bending performance, curved
Obvious folding line is still not present in folding rear surface to a certain degree, compared with existing similar-type products in the market, prepared by the present invention
Paper pulp moulding product have more good service performance, the packing instructions of more high standard can be applicable in.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features,
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (6)
1. a kind of method for eliminating paper pulp moulding product bending cracking, which is characterized in that specifically includes the following steps:
Step 1: production molding die: molding die include external mould frame (1), lower forming unit (4), upper forming unit (5), on
Mould (9), lower die (10)；
Step 2: production slurry: thickened pulp is made in raw material using pulping equipment, screening filtering then is carried out to thickened pulp,
The thickened pulp after screening is diluted again, the dilute pulp for making paper pulp moulding product is made；
Step 3: sizing material forming: dilute pulp obtained in appropriate step 2 is added to forming unit (5) upper inside molding die
Top, use 60-70 degrees Celsius of hot wind to be dried after standing 12-17 minute, drying time is set as 6-8 minutes；
Step 4: paper mould is overturn: after the completion of drying, by lower forming unit (4) and upper forming unit (5) by external mould frame (1)
On die cavity (2) in take out, lower forming unit (4) is then covered on upper forming unit (5) surface, this forming unit at present
(4) it is located at the top of upper forming unit (5), lower forming unit (4) and upper forming unit (5) is then subjected to whole overturning, so that
Upper forming unit (5) is located at the top of lower forming unit (4)；
Step 5: paper mould shifts: lower forming unit (4) and upper forming unit (5) being placed on vibratory equipment, so that vibration
Dynamic equipment drives lower forming unit (4) to be vibrated by a small margin with upper forming unit (5), and time of vibration is set as 3-7 minutes, from
And to stick together and lower forming unit (4) are dropped by upper forming unit (5) bottom in the paper mould of upper forming unit (5) bottom
Top；
Step 6: paper mould heats: the lower forming unit (4) for carrying paper mould is put back to the mould on the inside of external mould frame (1)
In slot (2), then the paper mould at the top of lower forming unit (4) is heated using heating equipment, the heating of heating equipment
Temperature setting is 180-200 degrees Celsius, and heating time is set as 6-8 minutes；
Step 7: paper mould is formed: after the completion of heating, external mould frame (1) being placed at the top of lower die (10), upper mold (9) is put
It sets at the top of external mould frame (1), at this time the lower forming blocks (15) in lower die (10) and lower forming unit (4) inside stainless (steel) wire (7)
Bottom connection touching, the upper forming blocks (13) in upper mold (9) are in contact with the paper pulp molding forming at the top of lower forming unit (4),
Then top plate (11) in upper mold (9) is pushed using hydraulic device, down force pressure is set as 17-23 tons, and pressing time is set
It is set to 20-30 minutes, pressure is transmitted on paper mould by top plate (11) by upper forming blocks (13), so that paper mould
Sizing；
Step 8: discharging: hydraulic device is removed, it is then that lower molding is single then by upper mold (9) by being removed at the top of external mould frame (1)
First (4) are then covered upper forming unit (5) at the top of lower forming unit (4) by taking out in the die cavity (2) on the inside of external mould frame (1),
Then lower forming unit (4) and upper forming unit (5) are overturn jointly, again by lower forming unit (4) and upper forming unit (5)
It is placed on vibratory equipment, time of vibration is set as 6-8 minutes, so that the paper mould of lower forming unit (4) bottom is detached from simultaneously
It falls at the top of forming unit (5), after the completion of vibration, by operator by the lower forming unit (4) at the top of upper forming unit (5)
It removes, then the paper mould after the sizing on upper forming unit (5) is collected；
Step 9: cutting: cutting equipment using large size and cut to the paper mould after sizing, cut out and set in paper mould
Fixed through slot and V-shaped groove；
Step 10: bonding: according on paper mould through slot and V-shaped groove paper mould is folded, then at folding
Environment-friendlyadhesive adhesive is smeared, so that product is made in paper mould；
Step 11: finishing: being modified to product edge obtained in step 10, using dressing tool by flash or extra useless
Material is dismissed.
2. a kind of method for eliminating paper pulp moulding product bending cracking according to claim 1, it is characterised in that: the step
Waiting environment-friendlyadhesive adhesive solidification in 10-15 minutes is stood after smearing environment-friendlyadhesive adhesive in rapid ten.
3. molding die used by a kind of method for eliminating paper pulp moulding product bending cracking, including external mould frame (1), feature
It is: is equipped with die cavity (2) on the inside of the external mould frame (1), is fixed with limited block (3), the limit on die cavity (2) inner wall
Lower forming unit (4) are equipped at the top of block (3), are equipped with upper forming unit (5) at the top of the lower forming unit (4), the lower molding
Unit (4) and upper forming unit (5) include inner frame (6), are fixed with stainless (steel) wire (7), institute on the inside of the inner frame (6)
It states on inner frame (6) through adsorption magnet (8) are equipped with, upper mold (9) is equipped at the top of the external mould frame (1) and bottom is equipped with lower die
(10), the upper mold (9) includes top plate (11), and top plate (11) bottom is fixed with forming blocks (13) and buffer spring
(14), the buffer spring (14) is set to upper forming blocks (13) two sides, and the lower die (10) includes bottom plate (12), the bottom plate
(12) top is fixed with lower forming blocks (15).
4. molding die used by a kind of method for eliminating paper pulp moulding product bending cracking according to claim 3,
It is characterized by: external mould frame (1) two sides are fixed with handle (16).
5. molding die used by a kind of method for eliminating paper pulp moulding product bending cracking according to claim 3,
It is characterized by: upper forming blocks (13) cross section and lower forming blocks (15) cross section with stainless (steel) wire (7) cross section phase
Together.
6. a kind of technology paper mould produced for eliminating paper pulp moulding product bending cracking, including paper mould ontology,
It is characterized in that: being equipped with meshed groove on the inside of the paper mould ontology.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811046399.1A CN109235146A (en) | 2018-09-07 | 2018-09-07 | A kind of method and molding die for eliminating paper pulp moulding product bending cracking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811046399.1A CN109235146A (en) | 2018-09-07 | 2018-09-07 | A kind of method and molding die for eliminating paper pulp moulding product bending cracking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109235146A true CN109235146A (en) | 2019-01-18 |
Family
ID=65067516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811046399.1A Withdrawn CN109235146A (en) | 2018-09-07 | 2018-09-07 | A kind of method and molding die for eliminating paper pulp moulding product bending cracking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109235146A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109797606A (en) * | 2019-04-10 | 2019-05-24 | 青岛永发模塑有限公司 | A kind of compensation method of paper mould identical product different parts constriction coefficient |
-
2018
- 2018-09-07 CN CN201811046399.1A patent/CN109235146A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109797606A (en) * | 2019-04-10 | 2019-05-24 | 青岛永发模塑有限公司 | A kind of compensation method of paper mould identical product different parts constriction coefficient |
| CN109797606B (en) * | 2019-04-10 | 2020-12-04 | 青岛永发模塑有限公司 | Method for compensating shrinkage coefficients of different parts of same product in pulp molding |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205735968U (en) | A kind of mould for hot bending and forming machine | |
| CN103452008A (en) | Molded pulp cup lid without overlapping curves on both surfaces and manufacturing method thereof | |
| CN210492340U (en) | Food baking mold convenient for demolding | |
| CN107059070A (en) | A kind of electroforming process of karat gold ornaments | |
| CN109133588A (en) | Glass processing die and glass processing method | |
| CN109235146A (en) | A kind of method and molding die for eliminating paper pulp moulding product bending cracking | |
| CN205740729U (en) | Flat panel products hot bending is the mould with more than two curl products and forming machine | |
| CN208815351U (en) | A kind of molding die being cracked for eliminating paper pulp moulding product bending | |
| CN208555577U (en) | A kind of Pneumatic bend device | |
| CN205305974U (en) | Square haw flakes production machine | |
| CN108000771A (en) | A kind of mould making process of tile carving molding high relief silica gel mould device | |
| CN206255981U (en) | A kind of many edge forming dies of 3D hot bendings | |
| CN207011586U (en) | Cake stripper apparatus | |
| CN106335153B (en) | The production technology of silicagel pad | |
| CN208555626U (en) | A kind of cutting mold | |
| CN207918676U (en) | A kind of bend glass hot bending die | |
| CN205241521U (en) | Automatic membrane that removes of cavity glass closes mascerating machine | |
| CN214873098U (en) | High-speed equipment for shaping paper products | |
| CN103990687A (en) | Automatic forming machine for tinfoil paper | |
| CN217203383U (en) | Novel paper pulp molding preparation equipment | |
| CN210547858U (en) | Device for collecting wax | |
| CN208613492U (en) | A kind of combined type hardware dies | |
| CN208084954U (en) | A kind of polytypic product integrated mould of camera lens upper cover | |
| CN106166826B (en) | A kind of abnormity moulding process units and method | |
| CN210256947U (en) | Rubber compression molding mould with more concentrated pressure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190118 |