CN109591345A - It is a kind of to reduce the Shooting Technique for injecting big basis bubble - Google Patents
It is a kind of to reduce the Shooting Technique for injecting big basis bubble Download PDFInfo
- Publication number
- CN109591345A CN109591345A CN201811609341.3A CN201811609341A CN109591345A CN 109591345 A CN109591345 A CN 109591345A CN 201811609341 A CN201811609341 A CN 201811609341A CN 109591345 A CN109591345 A CN 109591345A
- Authority
- CN
- China
- Prior art keywords
- injection
- mold
- baking oven
- woven fabrics
- reduce
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000002347 injection Methods 0.000 claims abstract description 52
- 239000007924 injection Substances 0.000 claims abstract description 52
- 239000000463 material Substances 0.000 claims abstract description 28
- 239000004745 nonwoven fabric Substances 0.000 claims abstract description 23
- 238000005187 foaming Methods 0.000 claims abstract description 18
- 239000004744 fabric Substances 0.000 claims abstract description 17
- 230000002051 biphasic effect Effects 0.000 claims abstract description 15
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 11
- 238000000465 moulding Methods 0.000 claims abstract description 10
- 239000000126 substance Substances 0.000 claims description 20
- 238000001746 injection moulding Methods 0.000 claims description 6
- 239000002994 raw material Substances 0.000 claims description 6
- 239000007921 spray Substances 0.000 claims description 6
- 230000008569 process Effects 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000002699 waste material Substances 0.000 abstract description 3
- 238000005507 spraying Methods 0.000 abstract description 2
- 238000002360 preparation method Methods 0.000 description 4
- 241001232787 Epiphragma Species 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000009940 knitting Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D35/00—Producing footwear
- B29D35/0009—Producing footwear by injection moulding; Apparatus therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D35/00—Producing footwear
- B29D35/12—Producing parts thereof, e.g. soles, heels, uppers, by a moulding technique
- B29D35/14—Multilayered parts
- B29D35/142—Soles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Abstract
The present invention relates to shoe sole manufacture fields, the Shooting Technique for injecting big basis bubble can be reduced by providing one kind, the following steps are included: footwear material prepares, carry out one injection, after one injection, it is laid with layer of non-woven fabric in bed die, is laid with release cloth above non-woven fabrics, it covers die cover plate rapidly later and locks, into baking oven；Mold is toasted out of baking oven and is finished, and is opened die cover plate and is removed release cloth and non-woven fabrics, checks；Carry out biphasic injection；Non-woven fabrics of the present invention can break the bubble of generation in foaming, reduce number of bubbles after molding, reduce waste product 30%, low in cost, can be convenient die sinking, save the process of release agent spraying.Peel strength between biphasic injection and one injection, greatly increases fastness, avoids the bonding of the remaining influence biphasic injection of ingot stripper.
Description
Technical field
The present invention relates to shoe sole manufacture fields, and in particular to one kind can reduce the injection molding work for injecting big basis bubble
Skill.
Background technique
Injection PU outsole can generate a large amount of bubble in the course of injection of injection, and bubble diameter is more than that the outsole of 3MM is not
Non-defective unit, diameter are more than that 5MM is unable to complete later period modification, can only be scrapped.The bubble of injection outsole is hidden in the bottom of outsole, nothing
Method is with the naked eye found.Double-density injection foams PU outsole, needs to carry out double injection, one injection outsole, biphasic injection indsole,
One injection foaming process occurs in closed mould inside completely, generates bubble and is not easy to be discharged.
Summary of the invention
In order to solve the technical issues of above-mentioned outsole is blistered in injection molding, providing one kind can effectively reduce the present invention
Bubble, increases the injection outsole Shooting Technique of product yield.
The present invention is implemented with the following technical solutions,
It is a kind of to reduce the Shooting Technique for injecting big basis bubble, comprising the following steps:
A) footwear material prepares, starting injection molding line, mold heat temperature raising；
B) chemical industry material is injected in bed die slot according to shoes code size, carries out one injection；
C) after one injection, it is laid with layer of non-woven fabric in bed die, is laid with release cloth above the non-woven fabrics, covers rapidly later
Die cover plate is simultaneously locked, into baking oven；
D) mold is toasted out of baking oven and is finished, and is opened die cover plate and is removed release cloth and non-woven fabrics, checks outsole foaming situation；
E) ready upper is put into mold, re-injects raw material above first time injection raw material, carries out secondary injection
It penetrates；
F) the chemical industry material of biphasic injection, according to the shape foaming of mold, molding completes rear mold and enters baking oven with assembly line；
G) after mold comes out with assembly line baking oven, middle layer mold and bed die are separated.
It wherein, further include bed die sprinkling inorganic agent in the step a), the inorganic agent is misty release agent, spray gun air pressure
0.3±0.1KPa。
Preferably, the oven temperature controls 55 ± 5 DEG C.
The invention has the beneficial effects that non-woven fabrics can break the bubble of generation, reduce gas after molding in foaming
Quantity is steeped, waste product 30% is reduced, it is low in cost, it can be convenient die sinking, save the process of release agent spraying.Biphasic injection and primary note
Peel strength between penetrating, greatly increases fastness, avoids the bonding of the remaining influence biphasic injection of ingot stripper, saves artificial
Working hour expense.
Specific embodiment
The present invention is further explained in the light of specific embodiments.
The present invention, which provides one kind, can reduce the Shooting Technique for injecting big basis bubble, comprising the following steps:
A) footwear material prepares, starting injection molding line, mold heat temperature raising；
B) chemical industry material is injected in bed die slot according to shoes code size, carries out one injection；
C) after one injection, it is laid with layer of non-woven fabric in bed die, is laid with release cloth above the non-woven fabrics, covers rapidly later
Die cover plate is simultaneously locked, into baking oven；
D) mold is toasted out of baking oven and is finished, and is opened die cover plate and is removed release cloth and non-woven fabrics, checks outsole foaming situation；
E) ready upper is put into mold, re-injects raw material above first time injection raw material, carries out secondary injection
It penetrates；
F) the chemical industry material of biphasic injection, according to the shape foaming of mold, molding completes rear mold and enters baking oven with assembly line；
G) after mold comes out with assembly line baking oven, middle layer mold and bed die are separated.
Embodiment one
One specific embodiment of above-mentioned technique,
A) preparation process, comprising: the preparation of footwear material: upper completes set last carving, fluffing, sticking steel plate process；The preparation of material: chemical industry material
Injection material-compound tank, adjustment temperature are simultaneously kept stirring；The preparation of equipment: starting injection molding line is adjusted to rated speed, is opened heating and is risen
Temperature；
B) bed die sprays inorganic agent, which uniformly sprays for release agent nebulizes, and prevents from excessively forming water droplet；
C) one injection sets corresponding injection dosage according to the size of shoes code, chemical industry material is injected in bed die slot, whole chemical industry
One injection is carried out in material injection bed die slot；
D) one injection forms, and after one injection, layer of non-woven fabric is spread above chemical industry material, is laid with release cloth above non-woven fabrics,
Then cover board and the latching for covering mold rapidly, space needed for constituting outsole foaming between bed die and cover board, epiphragma are complete
Cheng Hou, mold enter baking oven with assembly line, and the molding of chemical industry material is completed in baking oven；
E) demoulding handle, mold with assembly line from baking oven come out after, tear release cloth and non-woven fabrics, check the foaming feelings of outsole
Condition recalls defect ware, and the intact material of outsole, without the bubble for being more than 3mm, release cloth completely removes noresidue；
F) biphasic injection prepares, and ready upper is put into mold, closes mold and locks, by upper Qia in mold,
Check the sealing situation of the cohesive position of mold and upper, without Qia bad upper when closing mould, upper plays knitting wool and mold seal line is kissed
It closes；
G) biphasic injection injects chemical industry material in mold, positioned at the top of one injection material, is set according to the size of shoes code corresponding
Injection dosage, carry out biphasic injections in whole chemical industry material injection bed die slots；
H) after biphasic injection, mold flip lid in middle layer on bed die and is lockked rapidly, middle layer mold upper forms secondary with bed die
Confined space needed for the molding of foaming, the chemical industry material of biphasic injection glue upper and the outsole of one injection in foaming process
It is combined, and according to the shape foaming of mold, molding completes rear mold and enters baking oven with assembly line, completes in baking oven
The foaming of chemical industry material；
I) mold with assembly line from baking oven come out after, middle layer mold and bed die are separated, opening middle layer mold buckle, will infuse
The shoes that modeling is completed, which are transferred to, takes off last carving workbench, and molding shoes are separated with aluminum last；
J) after shoes gravity flow waterline is offline, progress deburring first, the chemical industry material that die gap overflow goes out when injection, release cloth
Edge exceeds the marginal portion of mold, is removed it using chipping edger, checks the foaming situation of outsole after shoes are injected and carries out
It arranges, by defective products reworked processing.Qualified shoes are transferred to subsequent processing packaging.
In above-mentioned steps, uniformly sprays and nebulize in release agent, control 0.3 ± 0.1KPa of spray gun air pressure, and oven temperature
55 ± 5 DEG C of control.
The present invention is compound using non-woven fabrics and release cloth when implementing, when spreading release cloth, by one layer of non-woven fabrics directly with
The contact of chemical industry material, in addition one layer of release cloth is between cover board and non-woven fabrics, when one injection chemical industry material foamable reaction, generation
Bubble, can penetrate into discharge, the chemical industry material of infiltration in non-woven fabrics can be demolded cloth and stop, and prevent chemical industry material and epiphragma from occurring viscous
Even, it is easy to open epiphragma, carries out subsequent biphasic injection foaming.Non-woven fabrics can break the bubble of generation in foaming, reduce
Number of bubbles after molding, non-woven fabrics+release cloth, can reduce waste product 30% by cost 0.056 yuan every, greatly improve production effect
Rate and yields.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (3)
1. one kind can reduce the Shooting Technique for injecting big basis bubble, comprising the following steps:
A) footwear material prepares, starting injection molding line, mold heat temperature raising；
B) chemical industry material is injected in bed die slot according to shoes code size, carries out one injection；
It is characterized in that,
C) after one injection, it is laid with layer of non-woven fabric in bed die, is laid with release cloth above the non-woven fabrics, covers rapidly later
Die cover plate is simultaneously locked, into baking oven；
D) mold is toasted out of baking oven and is finished, and is opened die cover plate and is removed release cloth and non-woven fabrics, checks outsole foaming situation；
E) ready upper is put into mold, re-injects raw material above first time injection raw material, carries out secondary injection
It penetrates；
F) the chemical industry material of biphasic injection, according to the shape foaming of mold, molding completes rear mold and enters baking oven with assembly line；
G) after mold comes out with assembly line baking oven, middle layer mold and bed die are separated.
2. according to claim 1 can reduce the Shooting Technique for injecting big basis bubble, which is characterized in that the step a)
In further include bed die sprinkling inorganic agent, the inorganic agent is misty release agent, 0.3 ± 0.1KPa of spray gun air pressure.
3. according to claim 1 can reduce the Shooting Technique for injecting big basis bubble, which is characterized in that the baking oven temperature
55 ± 5 DEG C of degree control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811609341.3A CN109591345A (en) | 2018-12-27 | 2018-12-27 | It is a kind of to reduce the Shooting Technique for injecting big basis bubble |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811609341.3A CN109591345A (en) | 2018-12-27 | 2018-12-27 | It is a kind of to reduce the Shooting Technique for injecting big basis bubble |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109591345A true CN109591345A (en) | 2019-04-09 |
Family
ID=65963786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811609341.3A Pending CN109591345A (en) | 2018-12-27 | 2018-12-27 | It is a kind of to reduce the Shooting Technique for injecting big basis bubble |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109591345A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103042648A (en) * | 2012-12-21 | 2013-04-17 | 苏州天华超净科技股份有限公司 | Preparation method for polyurethane injection molded shoes and preparation mold |
| CN104890177A (en) * | 2015-05-22 | 2015-09-09 | 天津贝迪安全设备有限公司 | Annular double-density polyurethane upper-joint sole injection production line and processing method thereof |
| CN207105432U (en) * | 2017-08-11 | 2018-03-16 | 北京和利时系统工程有限公司 | A kind of polyurethane moulding foaming molding mold |
-
2018
- 2018-12-27 CN CN201811609341.3A patent/CN109591345A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103042648A (en) * | 2012-12-21 | 2013-04-17 | 苏州天华超净科技股份有限公司 | Preparation method for polyurethane injection molded shoes and preparation mold |
| CN104890177A (en) * | 2015-05-22 | 2015-09-09 | 天津贝迪安全设备有限公司 | Annular double-density polyurethane upper-joint sole injection production line and processing method thereof |
| CN207105432U (en) * | 2017-08-11 | 2018-03-16 | 北京和利时系统工程有限公司 | A kind of polyurethane moulding foaming molding mold |
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| 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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190409 |
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| RJ01 | Rejection of invention patent application after publication |