CN106426898B - A kind of polylactic acid embryo material guiding extrusion strengthening device - Google Patents
A kind of polylactic acid embryo material guiding extrusion strengthening device Download PDFInfo
- Publication number
- CN106426898B CN106426898B CN201610957251.8A CN201610957251A CN106426898B CN 106426898 B CN106426898 B CN 106426898B CN 201610957251 A CN201610957251 A CN 201610957251A CN 106426898 B CN106426898 B CN 106426898B
- Authority
- CN
- China
- Prior art keywords
- embryo material
- die cavity
- mold core
- round platform
- diameter
- 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.)
- Active
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
- B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
- B29C55/30—Drawing through a die
-
- 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/02—Moulds or cores; Details thereof or accessories therefor with incorporated heating or cooling means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2067/00—Use of polyesters or derivatives thereof, as moulding material
- B29K2067/04—Polyesters derived from hydroxycarboxylic acids
- B29K2067/046—PLA, i.e. polylactic acid or polylactide
Abstract
It is oriented to the invention discloses a kind of polylactic acid embryo material and squeezes out strengthening device, polylactic acid embryo material is further processed, it is set to generate deformation by the effect of impressed pressure, by the way that the orientation effect of guider enhancing embryo material in process is arranged, and then improve the problems such as intensity of the proximate matter finally obtained is with solving that blocking, raw material discontinuity occur in strengthening process.
Description
Technical field
The present invention relates to a kind of extrusion molding equipment, more particularly to a kind of strengthen for polylactic acid embryo material guiding extrusion sets
It is standby.
Background technology
Polylactic acid has good histocompatbility as a kind of degradation material, therefore has extensive use on medical use
On the way, but the polylactic acid of conventional crystal form restricts its application because intensity and retentivity are low.
Chinese patent CN101342782A discloses a kind of method of polylactic acid extrusion molding, by the raw material containing polylactic acid
With nucleation agent composition in extrusion shaping machine first one-step forming, obtain semi-finished product, then semi-finished product heats again acquisition it is first at
Type product, after pre-profiling product are cooled to glass transition temperature hereinafter, forming stable structure by recrystallization process to improve
Product heat resistance, but the polylactic acid proximate matter prepared in this way still has the insufficient defect of intensity.
In addition in the method that would generally use injection molding of manufacture high molecular material, but the physical chemistry of high molecular material
The difference of property, manufacturing parameter is also different, needs to be transformed injection-moulding device, to solve that blocking, original occur in injection moulding process
The problems such as expecting discontinuity.
Invention content
The present invention provides a kind of polylactic acid embryo material guiding extrusion strengthening device, is existed by increasing guider solution polylactic acid
The problems such as blocking, raw material discontinuity occur in strengthening process.
A kind of polylactic acid embryo material guiding extrusion strengthening device, including oriented module, a control module and two control modules, guiding module
Block setting is above a control module, and below a control module, the bottom of oriented module, which is equipped with, squeezes out mandril for two control module settings；
One control module includes a control mold core fixed plate, a control mold core and embryo material conveyer, and a control mold core fixed plate is equipped with
One control mold core mounting hole, a control mold core are mounted in a control mold core mounting hole；
Two control modules include two control mold core fixed plates and two control mold cores, and two control mold core fixed plates are equipped with two control mold cores and fix
Hole, two control mold cores are mounted in two control mold core mounting holes；
It is equipped with cylindrical embryo material in one control mold core and heats die cavity, is equipped with product moulding die cavity in two control mold cores, embryo material is defeated
Device is sent to be equipped with embryo material hole；
Mandril is squeezed out to be coaxially disposed with heating die cavity, shaping mold cavity；
It is additionally provided with embryo material transfer passage in one control mold core, embryo material transfer passage heats die cavity perpendicular to embryo material, and embryo material is defeated
It send channel to heat die cavity with embryo material to be connected to；Be equipped with guider in the transfer passage, the guider in transfer passage
The distance of wall is 0.5mm-2mm；
Preferably, the guider matches towards the end of shaping mold cavity and the round platform die cavity.
Preferably, the section of the guider is hexagon.
Further, the guider towards the end of shaping mold cavity be round table-like, the diameter of the round platform upper bottom surface
Range with the diameter ratio of round platform die cavity bottom surface is 9:2-9:4.
Further, the central shaft angular range of the busbar of the round platform and round platform is 12.5 ° -32.5 °.
Preferably, the two controls module further includes bar gag lever post and gag lever post backing plate, and bar gag lever post is arranged in proximate matter
The bottom of shaping mold cavity, gag lever post backing plate are arranged in the bottom of two control mold core fixed plates, and bar gag lever post and two control mold cores are coaxial
Setting.
Preferably, in the round platform die cavity, the busbar of round platform and the central shaft angular range of round platform are 18 ° -25 °；Embryo material
When entering cylinder die cavity from round platform die cavity, cross-sectional area tapers into, and generates orientation effect, and the tension for enhancing final proximate matter is strong
Degree.
Preferably, embryo material hole includes embryo material hole main body and embryo material hole head, and embryo material hole head is frustum cone structure, embryo material hole head
The diameter of the upper bottom surface in portion is more than the diameter of its bottom surface, and embryo material hole main body is cylindrical structure, the bottom surface on embryo material hole head
Diameter it is identical as the diameter of embryo material hole main body, facilitate and embryo material be put into embryo material hole.
Preferably, embryo material heating die cavity is identical with the diameter of embryo material hole main body, facilitates and squeezes out mandril by embryo material from embryo material hole
Squeeze into embryo material heating die cavity.
Preferably, the polylactic acid embryo timber-used that embryo material hole conveys every time produces one in shaping a product, using an embryo material
Branch bar more can rationally control the condition of strengthening process, to solve caused by an embryo material produces branched bar embryo material preheating time
And stress degree the problem of differing.
Preferably, the diameter range of round platform die cavity upper bottom surface is 6mm-18mm, and the diameter range of round platform die cavity bottom surface is
2mm-8mm。
Preferably, the diameter range of a diameter of 18mm of round platform die cavity upper bottom surface, round platform die cavity bottom surface are 6mm-8mm.
Preferably, the diameter range of a diameter of 12mm of round platform die cavity upper bottom surface, round platform die cavity bottom surface are 4mm-
4.5mm。
Preferably, the diameter range of a diameter of 6mm of round platform die cavity upper bottom surface, round platform die cavity bottom surface are 2mm.
Preferably, embryo material conveyer include auxiliary squeeze out stick, when squeeze out mandril stroke it is restricted, be not enough to embryo material is complete
When full extrusion, extrusion mandril pushes auxiliary and squeezes out stick, assists extrusion stick that polylactic acid embryo material is squeezed into proximate matter shaping mold cavity.
Preferably, two control mold cores include main body and shoulder, and the cross section of shoulder is more than the cross section of main body, and two control mold cores are solid
The top for determining hole is equipped with step, and the shoulder of two control mold cores is stuck on the step of two control mold core mounting holes, the shoulder of two control mold cores
Height is greater than or equal to the height of the step of two control mold core mounting holes, ensures that a control mold core can be tightly attached on two control mold cores, keeps away
Exempt from the gap that polylactic acid embryo material is squeezed between a control mold core and two control mold cores；Two control mold core height are less than two control mold core mounting holes
Height, ensure hanging below two control mold cores, there are the spaces for bar gag lever post and gag lever post backing plate to be arranged.
One control mold core fixed plate is equipped with a control pilot hole and buffering spring eye, the lower end closed in buffer spring hole, two controls
Mold core fixed plate is equipped with two control pilot holes, and a control pilot hole, the quantity of two control pilot holes are identical as the quantity of mold guide post, and
Position corresponds to；Guide sleeve is equipped in one control pilot hole, the internal diameter of guide sleeve is less than the diameter of two control pilot holes.
Strengthening device is squeezed out using polylactic acid embryo material disclosed by the invention, preliminary molding polylactic acid embryo material can be carried out
Strengthen, orientation texture is realized by stress, enhances the intensity of final proximate matter, bending strength can be produced and reach 310MPa's
Polylactic acid proximate matter；And extrusion equipment is improved, it solves and blocking, unbalance stress occurs in extrusion process, at moral character
Can be uneven the problems such as.
Description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is structure of the invention decomposition diagram；
Fig. 3 is a control mold core schematic diagram；
Fig. 4 is the sectional view when present invention is conveyed；
Fig. 5 is two control mold core sectional views；
Fig. 6 is one of guider cutaway view Amplified image；
Fig. 7 is the two of guider cutaway view Amplified image.
Specific implementation mode
The specific implementation mode of the present invention is described further below in conjunction with the accompanying drawings：
As depicted in figs. 1 and 2, it is oriented to the invention discloses a kind of polylactic acid embryo material and squeezes out strengthening device, including guiding module
Block 1, a control module 2 and two control module 3, and for the setting of oriented module 1 above a control module 2, the two control settings of module 3 control module one
2 lower sections, oriented module 1 include die backing plate 11, and the bottom of die backing plate 11 is equipped with support spring 12, mold guide post 13 and squeezes
Go out mandril 16, squeezes out the lower section that mandril 16 is fixed on oriented module 1 by mandril pressing plate 15；
One control module 2 includes that a control mold core fixed plate 25, one is controlled mold core 24, embryo material conveyer 22, limit pull rod 21 and squeezed
Go out auxiliary rod 23, a control mold core fixed plate 25 is equipped with a control mold core mounting hole, and a control mold core 24 is mounted on a control mold core and fixes
Kong Zhong, embryo material conveyer are equipped with embryo material hole；
Two control modules 3 include two control mold core fixed plates 33 and two control mold cores 31, and two control mold core fixed plates 33 are equipped with two controls
Mold core mounting hole, two control mold cores 31 are mounted in two control mold core mounting holes；
As shown in Figures 3 to 5, it is equipped with cylindrical embryo material in a control mold core 24 and heats die cavity 241, be equipped in two control mold cores
Product moulding die cavity 311；
Mandril 16 is squeezed out to be coaxially disposed with heating die cavity 241, shaping mold cavity 311；
It is additionally provided with embryo material transfer passage 242 in one control mold core 24, embryo material transfer passage 242 heats die cavity perpendicular to embryo material
241, and embryo material transfer passage 242 is connected to embryo material heating die cavity 241；It is equipped with guider 4 in the transfer passage, is oriented to dress
The setting for setting 4 is the orientation effect in order to reinforce embryo material when forming embryo material, therefore the position of guider is according to actual fed
The position that orientation effect occurs in channel is related, in one embodiment of the invention, guider and transfer passage inner wall
Distance is 0.5mm-2mm；
In one embodiment of the invention, the guider 4 is towards the end of shaping mold cavity 311 and the round platform mould
Chamber matches.
In one embodiment of the invention, the guider 4 towards the end of shaping mold cavity 311 be round table-like, institute
The range for stating the diameter of round platform upper bottom surface and the diameter ratio of round platform die cavity bottom surface is 9:2-9:4.
In order to ensure that generation orientation effect and transfer passage of the embryo material in transfer passage do not block, the round platform
The central shaft angular range of busbar and round platform is 12.5 ° -32.5 °.
Further, in another embodiment of the present invention, the section of the guider is hexagon, and embryo material is passing through
The orientation in the both direction of guider is crossed, the intensity of proximate matter can be improved.As shown in fig. 7, in another reality of the present invention
Apply in example, the hexagon by two of total bottom it is trapezoidal form, embryo material after reinforcing, the intensity of proximate matter be improved and
Stress is also more uniform, shape is more stablized.
When processing, polylactic acid embryo material to be processed is arranged in embryo material hole, embryo material conveyer 22 is conveyed logical by embryo material
Road 242 enters a control mold core 24, polylactic acid embryo material is sent to the lower section for squeezing out mandril 16, squeezing out mandril 16 will be under polylactic acid embryo material
It is depressed into embryo material heating die cavity 241, a control mold core 24 heats polylactic acid embryo material, then squeezes out mandril 16 and exits embryo material
Hole, embryo material conveyer exit a control mold core fixed plate 25, then will squeeze out auxiliary rod 23 and be arranged in embryo material hole, embryo material conveyer 22
Auxiliary rod 23 will be squeezed out to send to 16 lower section of mandril is squeezed out, the pushing of mandril 16 is squeezed out and squeeze out auxiliary rod 23, polylactic acid embryo material is squeezed into
Processing is formed in the product moulding die cavity 311 of two control mold cores 31.
In one embodiment of the invention, embryo material hole includes embryo material hole main body and embryo material hole head, and embryo material hole head is
Frustum cone structure, the diameter of the upper bottom surface on embryo material hole head are more than the diameter of its bottom surface, and embryo material hole main body is cylindrical structure, embryo
The diameter of the bottom surface on material hole head is identical as the diameter of embryo material hole main body, facilitates embryo material being put into embryo material hole；
Embryo material heating die cavity 241 is identical with the diameter of embryo material hole main body, and extrusion mandril 16 is facilitated to squeeze embryo material from embryo material hole
Enter embryo material heating die cavity 241.
Product moulding die cavity 311 include cylinder die cavity 311b and with the round platform die cavity 311a that is communicated at the top of cylinder die cavity,
The diameter of the bottom surface of round platform die cavity 311a is identical as the diameter of cylinder die cavity 311b, the diameter of the upper bottom surface of round platform die cavity 311a
It is identical as the embryo material heating diameter of die cavity 241；The diameter of round platform die cavity upper bottom surface and the diameter ratio of round platform die cavity bottom surface
Range is 9:2-9:4；It squeezes out mandril and embryo material is squeezed into proximate matter shaping mold cavity 311, under the effect of the pressure, the length of embryo material increases
Add, cross-sectional area becomes smaller, and the deformation of embryo material makes embryo material generate orientation effect, enhances finally formed proximate matter intensity.
In round platform die cavity 311a, the busbar of round platform and the central shaft angular range of round platform are 12.5 ° -32.5 °；Embryo material is from circle
When platform die cavity enters cylinder die cavity, cross-sectional area tapers into, and generates orientation effect, enhances the tensile strength of final proximate matter.
In one embodiment of the invention, two control modules further include bar gag lever post 32 and gag lever post backing plate 34, bar
Gag lever post is arranged in the bottom of product moulding die cavity, and gag lever post backing plate is arranged in the bottom of two control mold core fixed plates, with two control moulds
Core is coaxially disposed, and the diameter of bar gag lever post is less than the diameter of cylinder die cavity.Bar gag lever post is set, polylactic acid forming is more convenient
Afterwards, proximate matter demoulds.
In one embodiment of the invention, the polylactic acid embryo timber-used that embryo material hole conveys every time is adopted in shaping a product
Producing a bar with an embryo material more can rationally control the condition of strengthening process, be made with solving a branched bar of embryo material production
At embryo material preheating time and stress degree differ the problem of.
In one embodiment of the invention, the diameter range of round platform die cavity upper bottom surface is 6mm-18mm, under round platform die cavity
The diameter range of bottom surface is 2mm-8mm.
In one embodiment of the invention, a diameter of 18mm of round platform die cavity upper bottom surface, round platform die cavity bottom surface it is straight
Diameter ranging from 6mm-8mm.
In one embodiment of the invention, a diameter of 12mm of round platform die cavity upper bottom surface, round platform die cavity bottom surface it is straight
Diameter ranging from 4mm-4.5mm.
In one embodiment of the invention, a diameter of 6mm of round platform die cavity upper bottom surface, the diameter of round platform die cavity bottom surface
Ranging from 2mm.
In one embodiment of the invention, the embryo material of diameter 12mm is squeezed into the heating of embryo material from embryo material conveyer first
Die cavity is heated, and heating temperature is set as 160 DEG C, and the two control mold cores for being preheated to 120 DEG C are put into two control moulds after the completion of heating
Core fixed plate squeezes out mandril and pushes, embryo material is squeezed into proximate matter shaping mold cavity, a diameter of 4mm of cylinder die cavity of product moulding die cavity.
After the completion of extruding, two control mold core coolings are taken out, are demoulded after the completion of cooling.
In one embodiment of the invention, two control mold cores include main body and shoulder, and the cross section of shoulder is more than main body
The top of cross section, two control mold core mounting holes is equipped with step, and the shoulder of two control mold cores is stuck on the step of two control mold core mounting holes,
The height of the shoulder of two control mold cores is greater than or equal to the height of the step of two control mold core mounting holes, ensures that a control mold core can be close to
On two control mold cores, polylactic acid embryo material is avoided to be squeezed into the gap between a control mold core and two control mold cores, two control mold core height are small
In the height of two control mold core mounting holes；And ensure below two control mold cores that vacantly there are for bar gag lever post and gag lever post to be arranged
The space of backing plate.
One control mold core fixed plate is equipped with a control pilot hole and buffering spring eye, the lower end closed in buffer spring hole, two controls
Mold core fixed plate is equipped with two control pilot holes, and a control pilot hole, the quantity of two control pilot holes are identical as the quantity of mold guide post, and
Position corresponds to；Guide sleeve 14 is equipped in one control pilot hole, the internal diameter of guide sleeve 14 is less than the diameter of two control pilot holes.
In one embodiment of the invention, the poly lactic acid type material finally obtained is used to prepare medical use bone screws.
Strengthening device is squeezed out using polylactic acid embryo material disclosed by the invention, preliminary molding polylactic acid embryo material can be carried out
Strengthen, orientation texture is realized by stress, enhances the intensity of final proximate matter, bending strength can be produced and reach 310MPa's
Polylactic acid proximate matter；And extrusion equipment is improved, it solves and blocking, unbalance stress occurs in extrusion process, at moral character
Can be uneven the problems such as.
According to the disclosure and teachings of the above specification, those skilled in the art in the invention can also be to above-mentioned embodiment party
Formula is changed and is changed.Therefore, the invention is not limited in specific implementation modes disclosed and described above, to the one of invention
A little modifications and changes should also be as falling into the scope of the claims of the present invention.In addition, although being used in this specification
Some specific terms, these terms are merely for convenience of description, does not limit the present invention in any way.
Claims (9)
1. a kind of polylactic acid embryo material, which is oriented to, squeezes out strengthening device, including oriented module, a control module and two control modules, oriented module
Setting is above a control module, and two control module settings are below a control module, it is characterised in that：
The bottom of the oriented module, which is equipped with, squeezes out mandril；
The one control module includes a control mold core fixed plate, a control mold core and embryo material conveyer, and a control mold core fixed plate is equipped with
One control mold core mounting hole, a control mold core are mounted in a control mold core mounting hole；
The two controls module includes two control mold core fixed plates and two control mold cores, and two control mold core fixed plates are equipped with two control mold cores and fix
Hole, two control mold cores are mounted in two control mold core mounting holes；
It is equipped with cylindrical embryo material in the one control mold core and heats die cavity, product moulding die cavity, institute are equipped in the two controls mold core
It states embryo material conveyer and is equipped with embryo material hole；
It is additionally provided with embryo material transfer passage in the one control mold core, embryo material transfer passage heats die cavity perpendicular to embryo material, and embryo material is defeated
It send channel to heat die cavity with embryo material to be connected to；Guider is equipped in the embryo material transfer passage, the guider and embryo material are defeated
It is 0.5mm-2mm to send the distance of vias inner walls；
The product moulding die cavity include cylinder die cavity and with the round platform die cavity that is communicated at the top of cylinder die cavity, under round platform die cavity
The diameter of bottom surface is identical as the diameter of cylinder die cavity, and the diameter of the upper bottom surface of round platform die cavity heats the diameter phase of die cavity with embryo material
Together；
The diameter range of the round platform die cavity upper bottom surface is 6mm-24mm, and the diameter range of round platform die cavity bottom surface is 2mm-
10mm。
2. a kind of polylactic acid embryo material according to claim 1, which is oriented to, squeezes out strengthening device, it is characterised in that：Embryo material hole
Including embryo material hole main body and embryo material hole head, embryo material hole head is frustum cone structure, and the diameter of the upper bottom surface on embryo material hole head is more than
The diameter of its bottom surface；Embryo material hole main body is cylindrical structure, diameter and the embryo material hole main body of the bottom surface on embryo material hole head
Diameter is identical, and the embryo material heating die cavity is identical with the diameter of embryo material hole main body.
3. a kind of polylactic acid embryo material according to claim 1, which is oriented to, squeezes out strengthening device, it is characterised in that：The guiding dress
It sets towards the end of product moulding die cavity and the round platform die cavity and matches.
4. a kind of polylactic acid embryo material according to claim 3, which is oriented to, squeezes out strengthening device, it is characterised in that：The guiding dress
The section set is hexagon.
5. a kind of polylactic acid embryo material according to claim 3, which is oriented to, squeezes out strengthening device, it is characterised in that：The round platform mould
In chamber, the busbar of the round platform and the central shaft angular range of round platform are 12.5 ° -32.5 °.
6. a kind of polylactic acid embryo material according to claim 1, which is oriented to, squeezes out strengthening device, it is characterised in that：The two controls mould
Block further includes bar gag lever post and gag lever post backing plate, and bar gag lever post is arranged in the bottom of product moulding die cavity, gag lever post backing plate
It is arranged in the bottom of two control mold core fixed plates, bar gag lever post and two control mold core coaxial arrangements.
7. a kind of polylactic acid embryo material according to claim 1, which is oriented to, squeezes out strengthening device, it is characterised in that：The round platform mould
In chamber, the busbar of round platform and the central shaft angular range of round platform are 18 ° -25 °.
8. a kind of polylactic acid embryo material according to claim 1, which is oriented to, squeezes out strengthening device, it is characterised in that：The round platform mould
The diameter range of a diameter of 6-18mm of chamber upper bottom surface, round platform die cavity bottom surface are 2-8mm.
9. a kind of polylactic acid embryo material according to claim 1, which is oriented to, squeezes out strengthening device, it is characterised in that：Embryo material hole
The polylactic acid embryo timber-used conveyed every time is in one proximate matter of forming.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610957251.8A CN106426898B (en) | 2016-10-27 | 2016-10-27 | A kind of polylactic acid embryo material guiding extrusion strengthening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610957251.8A CN106426898B (en) | 2016-10-27 | 2016-10-27 | A kind of polylactic acid embryo material guiding extrusion strengthening device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106426898A CN106426898A (en) | 2017-02-22 |
| CN106426898B true CN106426898B (en) | 2018-08-17 |
Family
ID=58179569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610957251.8A Active CN106426898B (en) | 2016-10-27 | 2016-10-27 | A kind of polylactic acid embryo material guiding extrusion strengthening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106426898B (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101342782A (en) * | 2007-07-09 | 2009-01-14 | 黄建铭 | Method of preparing fire-resistant polylactic resin extrusion molding article and product thereof |
| CN101973125B (en) * | 2010-10-22 | 2012-12-12 | 中国科学院长春应用化学研究所 | Mould and method for manufacturing fracture internal fixation member |
| US20120184672A1 (en) * | 2011-01-14 | 2012-07-19 | Teknor Apex Company | Poly (lactic-acid) resin compositions |
| CN206124204U (en) * | 2016-10-27 | 2017-04-26 | 苏州西脉新诚生物科技有限公司 | Reinforcement device is extruded to polylactic acid embryo material direction |
-
2016
- 2016-10-27 CN CN201610957251.8A patent/CN106426898B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN106426898A (en) | 2017-02-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR20220056251A (en) | Method for producing resin vessel made of resin, mould unit and moulding apparatus | |
| CN106493282A (en) | Ti1023 titanium alloy tubular journal forging near isothermal forging manufacturing process | |
| CN106426973A (en) | Method for preparing orientated-state polylactic acid profile | |
| CN206124203U (en) | Reinforcement device is extruded to polylactic acid embryo material | |
| CN106424509A (en) | Three-way pipe fitting extrusion forming mold and forming method | |
| CN106346767B (en) | A kind of polylactic acid embryo material extrusion strengthening device | |
| CN107756733A (en) | A kind of plastic injection compression precise forming mold and technique | |
| CN106426898B (en) | A kind of polylactic acid embryo material guiding extrusion strengthening device | |
| CN206124204U (en) | Reinforcement device is extruded to polylactic acid embryo material direction | |
| CN109109288A (en) | A kind of injection moulding equipment | |
| CN108188314A (en) | Band ear cylinder proper forgings One-time forging Whole fiber moulding process | |
| CN101722204A (en) | Extrusion process for titanium alloy profile material | |
| CN106903835A (en) | A kind of injection molding process | |
| CN207859363U (en) | A kind of injection mold convenient for location and installation | |
| CN107604275B (en) | A kind of strong 7055 Production technology of aluminum alloy sectional bar of superelevation | |
| CN205966826U (en) | Aluminum -magnesium alloy wire material multihole extrusion mould | |
| CN106398148B (en) | A kind of alignment state polylactic acid section bar | |
| CN202571117U (en) | Steel tie rod end forming equipment | |
| CN214726241U (en) | Aluminum alloy adds silica gel forming die | |
| CN107999552B (en) | A kind of vehicle beam profile diplopore extruding production technology | |
| CN107185987B (en) | A kind of flat extruding cylinder plank Extrusion Die Design method | |
| CN206718514U (en) | The former of arc plastic material | |
| CN206484843U (en) | A kind of plastic-injection mould | |
| CN207889049U (en) | A kind of three color injection molds | |
| CN104801027A (en) | Manufacture method for baseball bat |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |