CN108297381A - Printing process in a kind of mould of blow molding thin-walled pressure vessel - Google Patents
Printing process in a kind of mould of blow molding thin-walled pressure vessel Download PDFInfo
- Publication number
- CN108297381A CN108297381A CN201810108199.8A CN201810108199A CN108297381A CN 108297381 A CN108297381 A CN 108297381A CN 201810108199 A CN201810108199 A CN 201810108199A CN 108297381 A CN108297381 A CN 108297381A
- Authority
- CN
- China
- Prior art keywords
- roll paper
- wedge
- label roll
- label
- 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.)
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Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/24—Lining or labelling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F3/00—Severing by means other than cutting; Apparatus therefor
- B26F3/06—Severing by using heat
- B26F3/08—Severing by using heat with heated members
- B26F3/12—Severing by using heat with heated members with heated wires
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/24—Lining or labelling
- B29C2049/2412—Lining or labelling outside the article
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/24—Lining or labelling
- B29C2049/2414—Linings or labels, e.g. specific geometry, multi-layered or material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/24—Lining or labelling
- B29C2049/2431—Means for preparing or treating the label or lining, e.g. cutting, deforming, heating or applying adhesive
- B29C2049/2437—Cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/24—Lining or labelling
- B29C2049/2443—Means for feeding the lining or label into the mould, preform or parison, e.g. grippers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Abstract
The invention discloses printing processes in a kind of mould of blow molding thin-walled pressure vessel to complete printing technology in the mould of blow-molded article by improving Mo Nei printing mechanisms and operating method.Mechanism operational process proposed in the present invention is simple, reliability is high, can replace multivariant robotic device, reduce production and operating cost.The present invention can be continuously finished the positioning of label, cut, and automatically by label transport to die cavity, technical process is simple, and without cutting label in advance, production efficiency is high；And it is positioned using photoelectricity, can avoid generating dislocation deviation in label cutting process, production precision is high.It is realized and is sealed using heat safe sealing ring, blow-molded article surface is avoided flaw occur.Transfer conveying does not occur from start to finish for label, not will produce dislocation, defect rate and rejection rate are relatively low.
Description
Technical field
The present invention relates to printing processes in a kind of mould of blow molding thin-walled pressure vessel, belong to the related skill of plastic products surface labeling
Art.
Background technology
Filmed label is also in printing in mould, is exactly by printed commecial label image printed sheet（Back side band hot melt adhesive）Directly put
Enter the mold region in plastic mo(u)lding machine, so that label and container is combined together by being blow molded or being molded, forms one completely
Packing container.Printing is used as a kind of completely new label packaging form in mould, in fashion for many years in European and American developed countries.In recent years,
Also favored at home by more and more printing element suppliers, label manufacturer and terminal consumer.Printing is more in mould
For the trade mark and label of the packagings such as food, daily use chemicals, considerable effect is played to logistics, anti-fake, identification etc..
In recent years, printing technology development is gradually ripe in state's internal model, and main method is that the label that will have been cut is stacked up,
Label is fetched using manipulator, and label is placed in injection molding or blow mold cavity, and then makes it in injection molding or blow-moulding process
In be attached at the surfaces of plastic products.Printing process is controlled by computer in current mould, it is already possible to reach higher work
Make efficiency, but still has Railway Project：1. manipulator cost is higher, lead to that the production cost increases；2. labeling requirement shifts to an earlier date
It cuts, increases processing step, improve process costs；If 3, label stacked position is incorrect or irregular, it is being put into mold
During portion, surface may will produce fold, lead to substandard products or waste product.
Invention content
It is an object of the present invention to be asked for cost is higher, processing step is complicated existing for printing process in current mould etc.
Topic proposes printing process in a kind of mould of blow molding thin-walled pressure vessel, passes through and improves Mo Nei printing mechanisms and operating method, solves
Problems of the prior art.
To achieve the above object, the present invention provides the following technical solutions：
Printing process in a kind of mould of blow molding thin-walled pressure vessel realized by circulate operation and printed in the mould of thin-walled injection moulding product,
Cyclic process includes the following steps：
(1) winding motor is run, and label roll paper is driven at the uniform velocity to walk about, and damp type unreeling wheel generates light resistance torque, prevents from marking
There is fold or ripple glaze in label roll paper, and when the positioning striped in photoelectricity localizer scan to label roll paper, winding motor stops, this
When, the pattern area on label roll paper is overlapped with the projection of the front end face of wedge-shaped die；
(2) master cylinder pushes wedge-shaped die to be moved to label roll paper direction by main telescopic rod, until the front end face and mark of wedge-shaped die
Roll paper fitting is signed, label roll paper is adsorbed on the front end face of wedge-shaped die by vacuum tube by the adsorption hole on wedge-shaped die；
(3) longitudinal cylinder drives cylinder mounting base and lateral cylinder to move up or down by longitudinal extension bar, until up and down
The heating wire of central symmetry installation is in contact, and then lateral cylinder drives fixed frame and heating wire to label by transversal stretching bar
Roll paper direction is moved, until heating wire is contacted with label roll paper, and is acted on using the thermal cut-out of heating wire, is cut from label roll paper
Note pattern is cut off, and leaves the cutting edge with four gap on label roll paper；
(4) under vacuum suction effect, the label design cut down is attracted on the front end face of wedge-shaped die；
(5) lateral cylinder drives heating wire to be moved to label roll paper negative direction by transversal stretching bar, until heating wire is made to return to
Initial position in its transverse direction, longitudinal cylinder drives lateral cylinder to move up or down by longitudinal extension bar, until electric heating
Silk returns to its longitudinal initial position；
(6) master cylinder pushes wedge-shaped die to be moved to mold direction by main telescopic rod, until the front end face and mold of wedge-shaped die
Internal model Cavity surface overlaps, and high-temperature resistant seal ring is realized sealing function by slight squeeze；
(7) injection port of blow moulding machine completes injection action, and forms chamber after so that mold is closed by the huffing device of blow moulding machine
The gas in internal portion keeps certain pressure, and then mold cooling system works, and makes blowing product rapid shaping, simultaneously switches off and wedge shape
The hot melt adhesive layer of the vacuum-tube switch that adsorption hole is connected on mould, label design surface is melt under the heat effect of injection plastics
Melt, and merged in cooling procedure with blowing product surface, completes the operation of blowing product surface printing；
(8) it molds, and injection moulded products is taken out using manipulator；
(9) master cylinder pulls wedge-shaped die to return to initial position by main telescopic rod.
The longitudinal cylinder, longitudinal extension bar, cylinder mounting base, lateral cylinder, transversal stretching bar, fixed frame are right up and down
Installation, the heating wire is claimed to be installed for upper and lower central symmetry, the longitudinal cylinder and lateral cylinder are indulged with what is be symmetrically installed respectively
To cylinder drive control synchronous with lateral cylinder.
The material of the high-temperature resistant seal ring is modified Teflon, can bearing temperature>260℃.
The heating wire includes U-shaped silk, first silk and second silk, the heating wire phase mutual connection of upper and lower central symmetry installation
After touch, internal to form cutting region, the front end of the cutting region and pattern area, the wedge-shaped die on the label roll paper
Face shapes and sizes are identical.
After the heating wire cuts the label roll paper, leaving band on its surface, there are four the boundaries of gap, reduce institute
Suffered resistance when label roll paper of the lozenges of wedge-shaped die after cutting is stated, and then avoids damage label roll paper；
The damping that the damp type unreeling wheel generates is more than the effect generated when the label roll paper after the wedge-shaped die passes through cutting
Power, and then avoid that label roll paper is made to generate fold or ripple glaze.
Compared to the prior art, the invention has the advantages that：
1, proposed in the present invention mechanism operational process is simple, reliability is high so that can be set instead of multivariant manipulator
It is standby, the complexity of robotic device is reduced, to reduce production and operating cost.
2, printing process in mould proposed by the present invention is continuously finished the positioning of label, cuts, and automatically arrives label transport
In die cavity, technical process is simple, and without cutting label in advance, production efficiency is high；And it is positioned using photoelectricity, avoidable label is cut
Dislocation deviation is generated during cutting, production precision is high.
3, the present invention realizes sealing using heat safe sealing ring, eliminates the gap between wedge-shaped die and blow molding die, avoids
There is flaw in blow-molded article surface, and is prolonged the service life using its high-temperature stability.
4, transfer conveying does not occur from start to finish for label, therefore not will produce dislocation, and defect rate and rejection rate are relatively low.
Description of the drawings
Fig. 1（a）For system structure diagram in printing process in a kind of mould of blow molding thin-walled pressure vessel in the present invention
Front view.
Fig. 1（b）For system structure diagram in printing process in a kind of mould of blow molding thin-walled pressure vessel in the present invention
Top view.
Fig. 2 be in the present invention in a kind of mould of blow molding thin-walled pressure vessel in printing process label roll paper structure signal
Figure.
Fig. 3（a）For in the present invention in a kind of mould of blow molding thin-walled pressure vessel in printing process heating wire structure signal
Figure.
Fig. 3（b）For central symmetry installation up and down in printing process in a kind of mould of blow molding thin-walled pressure vessel in the present invention
Structural schematic diagram of heating wire when being in contact.
Fig. 4 be in the present invention in a kind of mould of blow molding thin-walled pressure vessel in printing process wedge-shaped mode structure schematic diagram.
Specific implementation mode
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 describes.
The present invention provides printing process in a kind of mould of blow molding thin-walled pressure vessel, realizes that structure is as shown in Figs 1-4, leads to
It crosses circulate operation and realizes that printing, cyclic process include the following steps in the mould of thin-walled injection moulding product：
(1) winding motor 15 is run, and label roll paper 7 is driven at the uniform velocity to walk about, and damp type unreeling wheel 16 generates light resistance torque, is prevented
Only there is fold or ripple glaze in label roll paper 7, when the scanning of photoelectricity locator 17 to the positioning striped 702 on label roll paper 7, winding
Motor stops, at this point, the pattern area on label roll paper 7 is overlapped with the projection of the front end face 402 of wedge-shaped die 4；
(2) master cylinder 6 pushes wedge-shaped die 4 to be moved to 7 direction of label roll paper by main telescopic rod 5, until the front end face of wedge-shaped die 4
402 are bonded with label roll paper 7, before label roll paper is adsorbed on wedge-shaped die 4 by vacuum tube by the adsorption hole 403 on wedge-shaped die 4
On end face 402；
(3) longitudinal cylinder 10 drives cylinder mounting base 8 and lateral cylinder 11 to move up or down by longitudinal extension bar 9, directly
The heating wire 14 installed to upper and lower central symmetry is in contact, and then lateral cylinder 11 drives fixed frame 13 by transversal stretching bar 12
And heating wire 14 is moved to 7 direction of label roll paper, until heating wire is contacted with label roll paper 7, and utilizes the fervent of heating wire 14
Disconnected effect cuts lower note pattern 704 from label roll paper 7, and leaves the cutting edge with multiple gap on label roll paper
705；
(4) under vacuum suction effect, the label design 704 cut down is attracted on the front end face 403 of wedge-shaped die 4；
(5) lateral cylinder 11 drives heating wire to be moved to 7 negative direction of label roll paper by transversal stretching bar 12, until making heating wire
14 return to the initial position in its transverse direction, and longitudinal cylinder 10 drives lateral cylinder 11 to move upward or downward by longitudinal extension bar 9
It is dynamic, until heating wire 14 returns to its longitudinal initial position；
(6) master cylinder 6 pushes wedge-shaped die 4 to be moved to 2 direction of mold by main telescopic rod 5, until the front end face 402 of wedge-shaped die 4
It is overlapped with the internal model Cavity surface 201 of mold 2, and high-temperature resistant seal ring 3 is realized sealing function by slight squeeze；
(7) injection port of blow moulding machine completes injection action, and forms chamber after so that mold is closed by the huffing device of blow moulding machine
The gas in internal portion keeps certain pressure, and then mold cooling system works, and makes blowing product rapid shaping, simultaneously switches off and wedge shape
The vacuum-tube switch that adsorption hole 403 is connected on mould 4, the hot melt adhesive layer on 704 surface of label design is in the heat effect for injecting plastics
Under be melted, and merge in cooling procedure with blowing product surface, completes blowing product surface printing and operate；
(8) it molds, and injection moulded products is taken out using manipulator；
(9) master cylinder 6 pulls wedge-shaped die 4 to return to initial position by main telescopic rod 5.
The longitudinal cylinder 10, longitudinal extension bar 9, cylinder mounting base 8, lateral cylinder 11, transversal stretching bar 12, fixed frame
13 be installation symmetrical above and below, and the heating wire 14 is installed for upper and lower central symmetry, and the longitudinal cylinder 10 and lateral cylinder 11 divide
Drive control not synchronous with the longitudinal cylinder 10 and lateral cylinder 11 that are symmetrically installed.
The material of the high-temperature resistant seal ring 3 is modified Teflon, can bearing temperature>260℃.
The heating wire 14 includes the silk 1403 of silk 1402, second of U-shaped silk 1401, first, upper and lower central symmetry installation
Heating wire 14 contact with each other after, it is internal to form cutting region 1404, the cutting region 1404 on the label roll paper 7
Pattern area 703,402 shapes and sizes of front end face of the wedge-shaped die 4 it is identical.
After the heating wire 14 cuts the label roll paper 7, the boundary 705 of the gap with there are four can be left on its surface,
Reduce suffered resistance when label roll paper 7 of the lozenges 401 of the wedge-shaped die 4 after cutting, and then avoids damage label roll
Paper 7；
What the damping that the damp type unreeling wheel 16 generates generated when passing through the label roll paper 7 after cutting more than the wedge-shaped die 4
Active force, and then avoid that label roll paper is made to generate fold or ripple glaze.
Using technical solution of the present invention or those skilled in the art under the inspiration of technical solution of the present invention, if
Similar technical solution is counted out, and reaches above-mentioned technique effect, is to fall into protection scope of the present invention.
Claims (5)
1. printing process in a kind of mould of blow molding thin-walled pressure vessel, which is characterized in that realize thin-walled injection moulding by circulate operation
Printing, cyclic process include the following steps in the mould of product：
(1) winding motor is run, and label roll paper is driven at the uniform velocity to walk about, and damp type unreeling wheel generates light resistance torque, prevents from marking
There is fold or ripple glaze in label roll paper, and when the positioning striped in photoelectricity localizer scan to label roll paper, winding motor stops,
At this point, the pattern area on label roll paper is overlapped with the projection of the front end face of wedge-shaped die；
(2) master cylinder pushes wedge-shaped die to be moved to label roll paper direction by main telescopic rod, until the front end face and mark of wedge-shaped die
Roll paper fitting is signed, label roll paper is adsorbed on the front end face of wedge-shaped die by vacuum tube by the adsorption hole on wedge-shaped die；
(3) longitudinal cylinder drives cylinder mounting base and lateral cylinder to move up or down by longitudinal extension bar, until with upper
The heating wire of lower central symmetry installation is in contact, and then lateral cylinder drives fixed frame and heating wire to mark by transversal stretching bar
The movement of roll paper direction is signed, until heating wire is contacted with label roll paper, and is acted on using the thermal cut-out of heating wire, from label roll paper
The lower note pattern of cutting, and the cutting edge with four gap is left on label roll paper；
(4) under vacuum suction effect, the label design cut down is attracted on the front end face of wedge-shaped die；
(5) lateral cylinder drives heating wire to be moved to label roll paper negative direction by transversal stretching bar, until heating wire is made to return to
Initial position in its transverse direction, longitudinal cylinder drives lateral cylinder to move up or down by longitudinal extension bar, until electric heating
Silk returns to its longitudinal initial position；
(6) master cylinder pushes wedge-shaped die to be moved to mold direction by main telescopic rod, until the front end face and mold of wedge-shaped die
Internal model Cavity surface overlaps, and high-temperature resistant seal ring is realized sealing function by slight squeeze；
(7) injection port of blow moulding machine completes injection action, and forms chamber after so that mold is closed by the huffing device of blow moulding machine
The gas in internal portion keeps certain pressure, and then mold cooling system works, and makes blowing product rapid shaping, simultaneously switches off and wedge shape
The hot melt adhesive layer of the vacuum-tube switch that adsorption hole is connected on mould, label design surface is melt under the heat effect of injection plastics
Melt, and merged in cooling procedure with blowing product surface, completes the operation of blowing product surface printing；
(8) it molds, and injection moulded products is taken out using manipulator；
(9) master cylinder pulls wedge-shaped die to return to initial position by main telescopic rod.
2. printing process in a kind of mould of blow molding thin-walled pressure vessel according to claim 1, which is characterized in that described vertical
It is installation symmetrical above and below, the electricity to cylinder, longitudinal extension bar, cylinder mounting base, lateral cylinder, transversal stretching bar, fixed frame
Heated filament is the installation of upper and lower central symmetry, the longitudinal cylinder and lateral cylinder respectively with the longitudinal cylinder and transverse direction gas that are symmetrically installed
Cylinder synchronizes drive control.
3. printing process in a kind of mould of blow molding thin-walled pressure vessel according to claim 1, which is characterized in that described resistance to
The material of high-temperature seal ring is modified Teflon, can bearing temperature>260℃.
4. printing process in a kind of mould of blow molding thin-walled pressure vessel according to claim 1, which is characterized in that the electricity
Heated filament includes U-shaped silk, first silk and second silk, after the heating wire that upper and lower central symmetry is installed contacts with each other, internal shape
At cutting region, the front end face shapes and sizes of the cutting region and pattern area, the wedge-shaped die on the label roll paper
It is identical.
5. printing process in a kind of mould of blow molding thin-walled pressure vessel according to claim 1, which is characterized in that the electricity
After heated filament cuts the label roll paper, band can be left there are four the boundary of gap on its surface, reduce the wedge shape of the wedge-shaped die
Suffered resistance when face passes through the label roll paper after cutting, and then avoid damage label roll paper；
The damping that the damp type unreeling wheel generates is more than the effect generated when the label roll paper after the wedge-shaped die passes through cutting
Power, and then avoid that label roll paper is made to generate fold or ripple glaze.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810108199.8A CN108297381B (en) | 2018-02-02 | 2018-02-02 | Printing process in a kind of mould of blow molding thin-walled pressure vessel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810108199.8A CN108297381B (en) | 2018-02-02 | 2018-02-02 | Printing process in a kind of mould of blow molding thin-walled pressure vessel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108297381A true CN108297381A (en) | 2018-07-20 |
| CN108297381B CN108297381B (en) | 2019-09-24 |
Family
ID=62864118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810108199.8A Active CN108297381B (en) | 2018-02-02 | 2018-02-02 | Printing process in a kind of mould of blow molding thin-walled pressure vessel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108297381B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0483849A1 (en) * | 1990-11-02 | 1992-05-06 | CENTRO SVILUPPO SETTORI IMPIEGO S.r.l. | Process for surface upgrading of articles manufactured by blow molding or thermoforming |
| EP1310357A1 (en) * | 2001-11-07 | 2003-05-14 | Nan Ya Plastics Corp. | 3-layer co-extruded biaxial-oriented pearly synthetic paper label used for integrally molding with bottle in mold |
| CN101683758A (en) * | 2008-09-25 | 2010-03-31 | 康准电子科技（昆山）有限公司 | In-mold decoration forming method |
| CN103745655A (en) * | 2013-12-13 | 2014-04-23 | 中山市美高力印刷有限公司 | Method for manufacturing in-mould label |
-
2018
- 2018-02-02 CN CN201810108199.8A patent/CN108297381B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0483849A1 (en) * | 1990-11-02 | 1992-05-06 | CENTRO SVILUPPO SETTORI IMPIEGO S.r.l. | Process for surface upgrading of articles manufactured by blow molding or thermoforming |
| EP1310357A1 (en) * | 2001-11-07 | 2003-05-14 | Nan Ya Plastics Corp. | 3-layer co-extruded biaxial-oriented pearly synthetic paper label used for integrally molding with bottle in mold |
| CN101683758A (en) * | 2008-09-25 | 2010-03-31 | 康准电子科技（昆山）有限公司 | In-mold decoration forming method |
| CN103745655A (en) * | 2013-12-13 | 2014-04-23 | 中山市美高力印刷有限公司 | Method for manufacturing in-mould label |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108297381B (en) | 2019-09-24 |
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