CN206011636U - A kind of injection-moulding device for preparing polylactic acid embryo material - Google Patents
A kind of injection-moulding device for preparing polylactic acid embryo material Download PDFInfo
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- CN206011636U CN206011636U CN201621021401.6U CN201621021401U CN206011636U CN 206011636 U CN206011636 U CN 206011636U CN 201621021401 U CN201621021401 U CN 201621021401U CN 206011636 U CN206011636 U CN 206011636U
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- thimble
- push rod
- injection
- embryo material
- panel
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Abstract
This utility model provides a kind of injection-moulding device for preparing polylactic acid embryo material, including nozzle, front mould and rear mold；Front mould includes flange, Re Zui, guide pillar, front core rod and sealing cushion block；Rear mold includes rear core rod, back stitching meson, thimble panel, thimble, back stitching, push rod and Ejector Retainer Plate；Thimble, thimble panel, back stitching, push rod in the rear mold and Ejector Retainer Plate composition ejection stripping device, wherein thimble are made using magnetic material, and push rod is made using ferroic material, and push rod is detachably connected by magnetic effect with thimble；Push rod is threadably secured with Ejector Retainer Plate and is connected, and thimble is threadably secured with thimble panel and is connected, and when equipment is used, changes the thimble of different length making the embryo material of different length.
Description
Technical field
This utility model belongs to injection equipment technology field, and in particular to a kind of injection-moulding device for preparing polylactic acid embryo material.
Background technology
Bone screw is used for the fixation of fracture and graft materials, is traditionally manufactured using metal material.Employing in recent years can be dropped
The screw that depolymerization compound material is manufactured gradually increases, the characteristics of which is maximum be implanted into human body after can degrade, with tissue
Healing, implant is slowly degraded, after organization healing, implant inhaled completely ashamed, thus should not second operation.This bone screw
Mechanical property is excellent, degree of crystallinity is high, and the requirement in production to equipment is very high.But, injection mo(u)lding is carried out to raw material directly and is added
Work, product mechanical property are poor.Additionally, bone screw has Multiple Type, in production, equipment is needed quickly to provide different types
Chamber.
The injection-moulding device for preparing polylactic acid embryo material in prior art mostly is commonly single injection-moulding device, ejection stripping device
Mostly the composition such as push rod, push pipe, stripper plate, when the bone screw of different model is produced, needs the transformation for carrying out complexity to equipment,
Including changing the mould of different model.
CN102247624A discloses a kind of absorbable bone screw and preparation method thereof, and the bone screw contains mass percent
For 5～40% nano-calcium carbonate, 95～60% polylactic acid.Nano-calcium carbonate calcium powder is mixed using solution with polylactic acid,
Nano-calcium carbonate calcium powder is dispersed in polymeric matrix with curtain coating rapid dry process, injection has required screw form mould
Molding in molding in the injection machine of tool.The method needs to produce different moulds according to bone screw shape standby, thus cost
Increase, and be unfavorable for efficiently production.
Utility model content
For solving the shortcoming and defect of prior art, primary and foremost purpose of the present utility model is that providing one kind can pass through letter
Easy to operate, prepare the injection-moulding device of different model polylactic acid embryo material.
For realizing above-mentioned utility model purpose, the technical solution adopted in the utility model is as follows：
A kind of injection-moulding device for preparing polylactic acid embryo material, including nozzle, front mould and rear mold；Front mould includes flange, Re Zui, leads
Post, front core rod and sealing cushion block；Rear mold includes rear core rod, back stitching meson, thimble panel, thimble, back stitching, push rod and thimble bottom
Plate；Thimble, thimble panel, back stitching, push rod in the rear mold and Ejector Retainer Plate composition ejection stripping device, wherein thimble are adopted
Magnetic material is made, and push rod is made using ferroic material, and push rod is detachably connected by magnetic effect with thimble；Push rod and thimble
Base plate is threadably secured connection, and thimble is threadably secured with thimble panel and is connected, and when equipment is used, changes different length
Thimble is making the embryo material of different length.
Preferably, the thimble is the T-shaped of the one of the cylinder composition of two different-diameters, wherein one end major diameter
Bottom surface and ejector pin contact, the die cavity in the bottom surface of other end minor diameter and rear core rod forms the shape of purpose embryo material.
Preferably, one end of the thimble minor diameter is passed through from thimble panel, and one end of major diameter is embedded in thimble panel
Interior, flush with thimble panel.
Preferably, the length of the thimble is 6.0-11.0cm.
The beneficial effects of the utility model：
1) ejection stripping device is improved, while using thimble and push rod, and difference is made by changing thimble to meet
The purpose of model embryo material.
2) material of device is improved, and thimble is made using magnetic material, and push rod is made using ferroic material, makes engagement firm
While, the replacing of equipment part is convenient.
Description of the drawings
Fig. 1 is the structural representation of the injection-moulding device that this utility model prepares polylactic acid embryo material.
Fig. 2 is the structural representation of the injection-moulding device front mould that this utility model prepares polylactic acid embryo material.
Fig. 3 is the structural representation of the injection-moulding device rear mold that this utility model prepares polylactic acid embryo material.
Specific embodiment
Below specific embodiment of the present utility model is described further：
Embodiment 1
As shown in Figure 1, Figure 2 and Figure 3, injection-moulding device includes front mould 1 and rear mold 2；Front mould 1 includes flange 11, hot nozzle 12, leads
Post 13, front core rod 14 and sealing cushion block 15；Rear mold 2 includes rear core rod 21, back stitching meson 22, thimble panel 23, thimble 24, back stitching
25th, push rod 26 and Ejector Retainer Plate 27.Thimble 24, thimble panel 23, back stitching 25, push rod 26 and 27 groups of Ejector Retainer Plate in rear mold 2
Into ejection stripping device, wherein thimble 24 is made using magnetic material, and push rod 26 is made using ferroic material, push rod 26 and thimble
24 are detachably connected by magnetic effect；Push rod 26 is threadably secured with Ejector Retainer Plate 27 and is connected, thimble 24 and thimble panel
23 are threadably secured connection.The thimble 24 of different length is changed making the embryo material of different length.Thimble 24 is two differences
Diameter cylinder composition one T-shaped, wherein the bottom surface of one end major diameter is contacted with push rod 26, other end minor diameter
Die cavity in bottom surface and rear core rod 21 forms the shape of purpose embryo material.Wear from thimble panel 23 one end of 24 minor diameter of thimble
Cross, one end of major diameter is embedded in thimble panel 23, is flushed with thimble panel 23.Preferably, 24 length of thimble is 7.2cm.
Front mould 1 is cover half, and rear mold 2 is dynamic model, and when injection-moulding device starts, rear mold 2 is moved to front mould 1 along guide pillar, when rear mold 2
When being brought into close contact front mould 1, nozzle 3 is close to front mould 1, and nozzle 3 is contacted and is directed at the charging aperture of hot nozzle 12, with the injection of 120bar
Polylactic acid raw material is injected heating fusion plastification in hot nozzle 12 by pressure injection 9.0sec, and then hot nozzle 12 in injection pressure is
Under the promotion of 120bar, 8.0sec is injected in pressurize, by melting after poly-lactic acid material entered by the injection of the discharging opening of hot nozzle 12
In the die cavity of rear mold 2, poly-lactic acid material is filled die cavity and is compacted, and cools down after pressurize through 15sec, obtains polylactic acid embryo material.
2 backhaul of rear mold, ejection stripping device control Ejector Retainer Plate 27 by screw rod and drive 24 2.0mm of falling rope of push rod 26 and thimble, gather breast
Sour embryo material is deviate from from die cavity.
After injection-moulding device operation stops, deenergization.Core rod 21 after taking-up, further take out thimble panel 23, by thimble face
Thimble 24 on plate 23 is unloaded, and is replaced by the thimble of 9.6cm.New thimble 24 is threadedly secured to thimble panel 23
On, load onto the replacing that rear core rod 21 completes thimble 24.Injection-moulding device is restarted, according to the step of above-mentioned production polylactic acid embryo material
Suddenly, you can the polylactic acid embryo material of another specification of production.
The announcement and teaching of book according to the above description, this utility model those skilled in the art can also be to above-mentioned reality
The mode of applying is changed and is changed.Therefore, this utility model is not limited to specific embodiment disclosed and described above, right
Some modifications and changes of utility model should also be as falling in scope of the claims of the present utility model.Although additionally,
Some specific terms used in this specification, but these terms are merely for convenience of description, not to this utility model structure
Into any restriction.
Claims (3)
1. a kind of injection-moulding device for preparing polylactic acid embryo material, including nozzle (3), front mould (1) and rear mold (2)；Front mould (1) includes method
Blue (11), hot nozzle (12), guide pillar (13), front core rod (14) and sealing cushion block (15)；Rear mold (2) includes rear core rod (21), back stitching
Meson (22), thimble panel (23), thimble (24), back stitching (25), push rod (26) and Ejector Retainer Plate (27)；In rear mold (2)
Thimble (24), thimble panel (23), back stitching (25), push rod (26) and Ejector Retainer Plate (27) composition ejection stripping device, which is special
Levy and be, thimble (24) are made using magnetic material, push rod (26) is made using ferroic material, push rod (26) and thimble
(24) it is detachably connected by magnetic effect；Push rod (26) is threadably secured with Ejector Retainer Plate (27) and is connected, thimble (24) with
Thimble panel (23) is threadably secured connection, when equipment is used, changes the thimble (24) of different length to make different length
Embryo material.
2. injection-moulding device according to claim 1, it is characterised in that thimble (24) are the cylinder of two different-diameters
The one of composition T-shaped, wherein the bottom surface of one end major diameter is contacted with push rod (26), the bottom surface of other end minor diameter with rear
Die cavity in core rod (21) forms the shape of purpose embryo material.
3. injection-moulding device according to claim 1 and 2, it is characterised in that one end of thimble (24) minor diameter is from top
Dial plate is passed through in (23), and one end of major diameter is embedded in thimble panel (23), is flushed with thimble panel (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621021401.6U CN206011636U (en) | 2016-08-31 | 2016-08-31 | A kind of injection-moulding device for preparing polylactic acid embryo material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621021401.6U CN206011636U (en) | 2016-08-31 | 2016-08-31 | A kind of injection-moulding device for preparing polylactic acid embryo material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206011636U true CN206011636U (en) | 2017-03-15 |
Family
ID=58257922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621021401.6U Active CN206011636U (en) | 2016-08-31 | 2016-08-31 | A kind of injection-moulding device for preparing polylactic acid embryo material |
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| Country | Link |
|---|---|
| CN (1) | CN206011636U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106256530A (en) * | 2016-08-31 | 2016-12-28 | 苏州西脉新诚生物科技有限公司 | A kind of injection-moulding device preparing polylactic acid embryo material |
-
2016
- 2016-08-31 CN CN201621021401.6U patent/CN206011636U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106256530A (en) * | 2016-08-31 | 2016-12-28 | 苏州西脉新诚生物科技有限公司 | A kind of injection-moulding device preparing polylactic acid embryo material |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |