CN207415873U - Injection molding integrated processing device - Google Patents
Injection molding integrated processing device Download PDFInfo
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- CN207415873U CN207415873U CN201721529050.4U CN201721529050U CN207415873U CN 207415873 U CN207415873 U CN 207415873U CN 201721529050 U CN201721529050 U CN 201721529050U CN 207415873 U CN207415873 U CN 207415873U
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- injection
- die cavities
- processing device
- cover half
- integrated processing
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Abstract
The utility model discloses injections to be molded integrated processing device, and including dynamic model and cover half, the cover half is equipped with injection die cavities and forming recess, is connected between the injection die cavities and forming recess by Jiao Kou, and the Jiao Kou is equipped with glue mouth valve；Cavity compression sliding block is additionally provided on the cover half, the cavity compression sliding block is used to the injection embryo material in injection die cavities being squeezed into forming recess through Jiao Kou.The utility model is combined together by that will be molded to squeeze out with molding, make thermoplastic material in injection molding process, it is squeezed out under its crystallization temperature by second of molding, its rapid crystalline orientation and the heat treatment in later stage is promoted to fix its state of orientation, discharge internal stress, the requirement of the mechanical property and stability of the medical precision shaped moulding of surgical implantation crystallographic thermoplastic material can be met, and use scope is wide.
Description
Technical field
The utility model is related to a kind of and injection-moulding devices, and in particular to injection molding integrated processing device.
Background technology
Poly-lactic acid material has good biocompatibility and biological degradability, and the past is over 10 years, although surgical implantation is used
Poly-L-lactic acid has been used as the material of the products such as implantable device, tissue scaffold, but each product of the stable mechanical property at its initial stage
Performance differs, its use is limited in particular for the position of load-bearing, stress.At present, the medical abnormity of surgical implantation poly-L-lactic acid
The processing method of precision part is mainly injection molding.Poly-L-lactic acid is heated to more than fusing point, is then molded to required shape,
Finally it is cooled down, is surely sized.Optically pure surgical implantation poly-L-lactic acid is cooled down from molten state (as common
Melt poly-L-lactic acid is cooled down with very high cooldown rate in injection molding process), what obtained medical precision part was presented is intimate
Amorphous state.From mechanical property, the draftability of this unstretched, crystallization treatment surgical implantation poly-L-lactic acid product
Can be relatively low with bending property, it can be disintegrated in degradation process, moment loses its mechanical property.
The Physical and mechanical properties of the medical precision part of surgical implantation poly-L-lactic acid depend on its solid-state structure and crystallinity,
Therefore, it is necessary to study crystal property of the poly-L-lactic acid product in forming process.The crystallinity of poly-L-lactic acid is high, the doctor prepared
Thermal stability with precise injection molding part is better.(Perego G., Cella G.D., the Bastioli C.Effect of such as Perego
molecular weightand crystallinity on poly(lactic acid)mechanical
properties.Polymer.1996；59:37-43.) research of people shows that PLLA injection-molded items make annealing treatment at 105 DEG C
The crystallization of 90min improves it and stretches and the elasticity of flexure, impact strength and thermal stability.Contra is crystallized with aforementioned static
Method also has：Crystalline polymer is subject to high Hydrostatic in the forming processes such as extrusion, injection, calendering, molding and film stretching
The effect of pressure can accelerate the crystallization of polymer.It is small due to the medical precision part of surgical implantation poly-L-lactic acid, no
The suitable method for squeezing out, rolling, stretching, and heating for multiple times can bring the mechanical properties decrease of product.In addition, add with multiple
Construction equipment contacts, and can increase the pollution of the medical precision part of surgical implantation poly-L-lactic acid.
Utility model content
Technical problem to be solved in the utility model is that the medical precision part of existing injection molding apparatus production is presented
Be intimate amorphous state, mechanical property is poor, and it is an object of the present invention to provide injection molding integrated processing device, by will be molded and
Molding is squeezed out and is combined together, and makes thermoplastic material in injection molding process, is molded under its crystallization temperature by second
It squeezes out, its rapid crystalline orientation and the heat treatment in later stage is promoted to fix its state of orientation, discharges internal stress, surgery plant can be met
Enter the requirement of the mechanical property and stability with the medical precision shaped moulding of crystallographic thermoplastic material, and use scope is wide.
The utility model is achieved through the following technical solutions：
Injection molding integrated processing device, including dynamic model and cover half, the cover half is equipped with injection die cavities and shaping type
Chamber is connected between the injection die cavities and forming recess by Jiao Kou, and the Jiao Kou is equipped with glue mouth valve；On the cover half also
Sliding block is compressed equipped with cavity, the cavity compression sliding block is used to the injection embryo material in injection die cavities being squeezed into shaping type through Jiao Kou
Intracavitary.
Preferably, the dynamic model is equipped with hot flow path, and the output terminal of the hot flow path is connected with injection die cavities.
Preferably, needle is additionally provided on the hot flow path, the needle is used to control hot flow path and injection die cavities connected entrance
The switch at place.
Preferably, cavity compression sliding block is by the hydraulic push rod mechanism drive motion that is arranged on cover half.
Preferably, the dynamic model is connected with cover half by guide post, the injection die cavities and forming recess by dynamic model top surface
Groove and cover half ground groove adaptation are formed.
Preferably, be equipped with cushion chamber positioned at the lower section of injection die cavities on the cover half, set in the cushion chamber fixed plate and
Thimble, axial one end of the thimble is fixed in fixed plate, the other end is connected with the jacking block in injection die cavities；It is described solid
Fixed board drives thimble to be moved up and down along cushion chamber, is ejected for promoting jacking block that will compress clout in injection die cavities.
Preferably, mandril is additionally provided in the fixed plate, axial one end of the mandril is fixed in fixed plate, the other end
Stretch into forming recess, and the fixed plate drive mandril moved up and down along cushion chamber, for promote by forming recess into
Product eject.
Preferably, the fixed plate is promoted by release link and sliding motion.
Preferably, electrically heated rod is equipped in the injection die cavities and forming recess to be heated.
The utility model compared with prior art, has the following advantages and advantages：
1st, the utility model injection molding integrated processing device can obtain fine and close moulding embryo by melting injection
Material, it is ensured that it is evenly distributed, pore-free；
2nd, the utility model injection molding integrated processing device promotes poly-L-lactic acid to crystallize rapidly and takes by molding extrusion
To and the heat treatment in later stage fix its state of orientation, discharge internal stress, increase its crystallinity, ensure the mechanical property of product；
3rd, the utility model injection molding integrated processing device, by the melting of poly-L-lactic acid injection, molding squeeze out and after
Processing crystallization is incorporated into one set of die, and excessive intermediate product is avoided to shift the pollution for contacting and bringing with die apparatus, while
Finished product mechanical properties decrease caused by significantly improving when material heats repeatedly.
Description of the drawings
Attached drawing described herein is used for providing further understanding the utility model embodiment, forms the one of the application
Part does not form the restriction to the utility model embodiment.In the accompanying drawings：
Fig. 1 is the injection structure schematic diagram of molten condition in the utility model hot flow path；
Fig. 2 is glue mouth valve and valve needle of hot runner status architecture schematic diagram after the completion of the utility model injection embryo material；
Fig. 3 is molded embryo material for the utility model and is compressed to forming recess structure diagram；
Fig. 4 is each member reset structure diagram after the completion of the utility model compression；
Fig. 5 is the utility model finished product ejecting structure schematic diagram.
Mark and corresponding parts title in attached drawing：1- cavities compress sliding block, 2- injection die cavities, 3- glue mouth valves, 4-
Forming recess, 4-1- finished products, 4-2- compression clouts, 5- hot flow paths, 5-1- needles, 6- jacking blocks, 6-1- thimbles, 6-2- mandrils, 7-
Dynamic model, 8- cover half, 9- hydraulic push rods mechanism, 10- fixed plates, 11- release links.
Specific embodiment
For the purpose of this utility model, technical solution and advantage is more clearly understood, with reference to embodiment and attached drawing,
The utility model is described in further detail, and the exemplary embodiment and its explanation of the utility model are only used for explaining this
Utility model is not intended to limit the scope of the present invention.
Embodiment 1
As shown in Fig. 1~5, the utility model injection molding integrated processing device including the dynamic model 7 closed up and down and is determined
Mould 8, dynamic model 7 are arranged on the top of cover half 8, and cover half 8 is equipped with the injection die cavities 2 and forming recess 4 of left and right distribution, injection die cavities 2
It is connected between forming recess 4 by Jiao Kou, Jiao Kou is equipped with glue mouth valve 3.Cavity compression sliding block 1, type are additionally provided on cover half 8
Chamber compression sliding block 1 is used to the injection embryo material in injection die cavities 2 being squeezed into forming recess 4 through Jiao Kou.
Embodiment 2
Be further improved on the basis of embodiment 1, the dynamic model 7 be equipped with hot flow path 5, the output terminal of hot flow path 5 with
Injection die cavities 2 connect.Needle 5-1 is additionally provided on hot flow path 5, needle 5-1 is used to control hot flow path 5 and 2 connected entrance of injection die cavities
The switch at place.
Embodiment 3
It is further improved on the basis of embodiment 2, cavity compression sliding block 1 is by the hydraulic push rod that is arranged on cover half 8
9 drive motion of mechanism.Dynamic model 7 is connected with cover half 8 by guide post, injection die cavities 2 and forming recess 4 by dynamic model 7 top surface groove
It is formed with 8 ground groove adaptation of cover half.Cushion chamber is equipped with positioned at the lower section of injection die cavities 2 on cover half 8, fixed plate is set in cushion chamber
Axial one end of 10 and thimble 6-1, thimble 6-1 are fixed in fixed plate 11, the other end and the jacking block 6 in the injection die cavities 2
Connection.Fixed plate 10 drives thimble 6-1 to be moved up and down along cushion chamber, for promoting jacking block 6 will compression clout 4- in injection die cavities 2
2 ejections.Mandril 6-2 is additionally provided in fixed plate 10, axial one end of the mandril 6-2 is fixed in fixed plate 10, and the other end is stretched
Enter in forming recess 4, and fixed plate 10 drive mandril 6-2 moved up and down along cushion chamber, for promote by forming recess 4 into
Product 4-1 is ejected.Fixed plate 10 promotes sliding motion by release link 11, and hydraulically extensible rod structure can be used in release link 11.
Embodiment 4
It is further improved on the basis of embodiment 3, electrically heated rod is equipped in the injection die cavities 2 and forming recess 4
It is heated.
Embodiment 5
Based on embodiment 4 crystalline material injection self-reinforcing process equipment operation principle be：
Step 1：Dynamic model 7 and 8 mold of cover half are in closure state, cavity compression sliding block 1 is in reset state and reserves note
Embryo material space is moulded, the initial position that sliding block 1 can be compressed by adjusting cavity adjusts compression ratio, and glue mouth valve 3 is in closed form
State ensures the design size of injection embryo material；The injection raw material easily crystallized are imported into hot flow path 5 by high-temperature fusion, are then converged
Enter to injection die cavities 2, injection blank is molded, as shown in Figure 1；
Step 2：Blank injection is completed, and is closed valve needle of hot runner 5-1, is prevented injection molding material from flowing back, injection die cavities 2 cool down supreme
In 10 DEG C or so of the glass transition temperature of injection molding material elastomeric phase, injecting glue glue mouth valve 3 is then turned on, injection embryo material is being molded
Molecular structure is in confusing state after finishing, as shown in Figure 2；
Step 3：Cavity compression sliding block 1 compresses the injection embryo material in injection die cavities 2 under external force, by elastic stage
Injection embryo material it is orderly be compressed to forming recess 4, by the extruding to elastomer embryo material state, injection embryo material is due to extrusion shearing
Orientation, as shown in Figure 3；
Step 4：Injecting glue glue mouth valve 3 is closed, forms the material molecule in compression clout 4-2 and finished product 4-1, finished product 4-1
Chain is orderly to be arranged in forming recess and Step crystallization.Cavity compression sliding block 1 is retracted into reset state, reserves jacking block 6 and ejects
Space, as shown in Figure 4；
Step 5：4 temperature of forming recess is made to be maintained at crystallization temperature, after the completion for the treatment of product crystallization, is promoted by thimble 6-1
Jacking block 6 ejects compression clout 4-2, mandril 6-2 pushing-off product 4-1, and finished product 4-1 shortens former crystallization heat treatment need in crystallization process
The thermal field time wanted, as shown in Figure 5.
Above-described specific embodiment, the purpose of this utility model, technical solution and advantageous effect have been carried out into
One step is described in detail, it should be understood that the foregoing is merely specific embodiment of the present utility model, is not used to limit
Determine the scope of protection of the utility model, within the spirit and principle of the utility model, any modification for being made equally is replaced
It changes, improve, should be included within the scope of protection of this utility model.
Claims (9)
1. injection molding integrated processing device, including dynamic model (7) and cover half (8), which is characterized in that set on the cover half (8)
There are injection die cavities (2) and forming recess (4), connected between the injection die cavities (2) and forming recess (4) by Jiao Kou, it is described
Jiao Kou is equipped with glue mouth valve (3)；Cavity compression sliding block (1), the cavity compression sliding block (1) are additionally provided on the cover half (8)
For the injection embryo material in injection die cavities (2) to be squeezed into through Jiao Kou in forming recess (4).
2. injection molding integrated processing device according to claim 1, which is characterized in that the dynamic model (7) is equipped with
Hot flow path (5), the output terminal of the hot flow path (5) are connected with injection die cavities (2).
3. injection molding integrated processing device according to claim 2, which is characterized in that on the hot flow path (5) also
Equipped with needle (5-1), the needle (5-1) is used to control hot flow path (5) and the switch at injection die cavities (2) connected entrance.
4. injection molding integrated processing device according to claim 1, which is characterized in that the cavity compresses sliding block
(1) hydraulic push rod mechanism (9) drive motion by being arranged on cover half (8).
5. injection molding integrated processing device according to claim 1, which is characterized in that the dynamic model (7) and cover half
(8) connected by guide post, the injection die cavities (2) and forming recess (4) are by the top surface groove of dynamic model (7) and cover half (8) ground
Groove adaptation is formed.
6. injection molding integrated processing device according to claim 5, which is characterized in that be located on the cover half (8)
The lower section of injection die cavities (2) is equipped with cushion chamber, and fixed plate (10) and thimble (6-1), the thimble (6-1) are set in the cushion chamber
Axial one end be fixed in fixed plate (10), the other end is connected with the jacking block (6) in the injection die cavities (2)；The fixation
Plate (10) drives thimble (6-1) to be moved up and down along cushion chamber, for promoting jacking block (6) will compression clout (4- in injection die cavities (2)
2) eject.
7. injection molding integrated processing device according to claim 6, which is characterized in that on the fixed plate (10) also
Equipped with mandril (6-2), axial one end of the mandril (6-2) is fixed in fixed plate (10), and the other end stretches into forming recess (4)
It is interior, and the fixed plate (10) drive mandril (6-2) moved up and down along cushion chamber, for promote by forming recess (4) into
Product (4-1) eject.
8. the injection molding integrated processing device according to claim 6 or 7, which is characterized in that the fixed plate (10)
It is promoted by release link (11) and sliding motion.
9. it is according to claim 1 injection molding integrated processing device, which is characterized in that the injection die cavities (2) and
Electrically heated rod is equipped in forming recess (4) to be heated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721529050.4U CN207415873U (en) | 2017-11-15 | 2017-11-15 | Injection molding integrated processing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721529050.4U CN207415873U (en) | 2017-11-15 | 2017-11-15 | Injection molding integrated processing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207415873U true CN207415873U (en) | 2018-05-29 |
Family
ID=62306386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721529050.4U Active CN207415873U (en) | 2017-11-15 | 2017-11-15 | Injection molding integrated processing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207415873U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110239027A (en) * | 2019-04-28 | 2019-09-17 | 江苏丞宇米特医疗科技有限公司 | Micropore injection moulding molding die and its forming method |
-
2017
- 2017-11-15 CN CN201721529050.4U patent/CN207415873U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110239027A (en) * | 2019-04-28 | 2019-09-17 | 江苏丞宇米特医疗科技有限公司 | Micropore injection moulding molding die and its forming method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Mould pressing of moulding plastics integration processing equipment Effective date of registration: 20190620 Granted publication date: 20180529 Pledgee: Chengdu technical transformation incubator management Co., Ltd. Pledgor: CHENGDU MEIYIDA MEDICAL TECHNOLOGY CO., LTD. Registration number: 2019510000071 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20200708 Granted publication date: 20180529 Pledgee: Chengdu technical transformation incubator management Co.,Ltd. Pledgor: CHENGDU MEIYIDA MEDICAL TECHNOLOGY Co.,Ltd. Registration number: 2019510000071 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |