CN207088439U - A kind of intervention catheter injection mold based on the micro- extrusion technology of polymer - Google Patents
A kind of intervention catheter injection mold based on the micro- extrusion technology of polymer Download PDFInfo
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- CN207088439U CN207088439U CN201720802373.XU CN201720802373U CN207088439U CN 207088439 U CN207088439 U CN 207088439U CN 201720802373 U CN201720802373 U CN 201720802373U CN 207088439 U CN207088439 U CN 207088439U
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- runner
- headstock
- core support
- micro
- knock
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Abstract
The utility model discloses a kind of intervention catheter injection mold based on the micro- extrusion technology of polymer,Including headstock,Headstock bosom is horizontally arranged with core support,Runner and lower runner are respectively arranged with the top and bottom of core support and headstock,Core support's right-hand member is provided with time die holder,Bosom is provided with swaging die on the right side of secondary die holder,Core support's inside center is provided with rear depression bar,Depression bar extends transversely through core support and time die holder afterwards,And rear depression bar right-hand member is connected with knock-out gear,And knock-out gear is located among swaging die,It is provided with the top of headstock and pours sleeve pipe,Sleeve pipe is poured longitudinally through headstock,And pour sleeve bottom and be communicated with runner,And lower runner is connected by curved surface chamber,Upper runner and lower runner right-hand member are respectively connected with wedge-shaped runner,Wedge-shaped runner end is respectively connected with tapered mouth,And tapered mouth is respectively arranged at the top and bottom of knock-out gear.
Description
Technical field
It the utility model is related to technology of die manufacturing field, specially a kind of Jie based on the micro- extrusion technology of polymer
Enter catheter injection mold.
Background technology
Catheter system is used for the tubular rubber product of medical treatment.External application can be divided into and the former is used for two types in vivo
Various gas stop, liquid stop it is pleased give, such as stethoscope sebific duct, transfusion sebific duct；The latter is generally called medical gum-elastic catheter, can be divided into again by structure
Single lumen catheter and multi-lumen tube, single lumen catheter only have an inner chamber, and multi-lumen tube is performed the operation for medical surgery, has more than two inner chambers (such as
Two-chamber haemostatic catheter, double air bags three cavities pipe etc.), multi-cavity catheter is all felt well with one or two latex gas, plays closing or compressing
The rubber tube of effect, rubber catheter system insertion people's body cavity and blood vessel, for injection of medicine or extract internal liquid and determination tube chamber out
Stretching degree, different operating theater instruments, assistive device and medicine can be sent to lesions position by catheter, be included in operation
Had a wide range of applications in treatment, and the conduit wall unevenness of multi-cavity is even, it is necessary to extrusion according to small complex section section bar
Swell and mould molding section section is compensated with cooling meat rule, mould molding section sectional dimension is excessive or too small will all make
Into the difficulty of assembling, and most mould uses single sprue gate so that condensate overlong time, body row is expected during condensate
Go out not in time, cause layer knot phenomenon.
Utility model content
In order to overcome the shortcomings of prior art, the utility model provides one kind and is based on the micro- extrusion technology of polymer
Intervention catheter injection mold, can accelerate the condensate time, improve condensate efficiency.
Technical scheme is used by the utility model solves its technical problem：One kind is based on the micro- extrusion molding skill of polymer
The intervention catheter injection mold of art, including headstock, the headstock bosom are horizontally arranged with core support, the core
Runner and lower runner are respectively arranged with the top and bottom of support and headstock, core support's right-hand member is provided with time mould
Seat, the secondary die holder right side bosom are provided with swaging die, and core support's inside center is provided with rear depression bar, pressed after described
Bar extends transversely through core support and time die holder, and rear depression bar right-hand member is connected with knock-out gear, and the knock-out gear is located at swaging die
Centre, the headstock top, which is provided with, pours sleeve pipe, and the sleeve pipe that pours pours sleeve bottom and be communicated with longitudinally through headstock
Runner, and lower runner is connected by curved surface chamber, the upper runner and lower runner right-hand member are respectively connected with wedge-shaped runner,
The wedge-shaped runner end is respectively connected with tapered mouth, and the tapered mouth is respectively arranged at the top and bottom of knock-out gear；
The knock-out gear includes the plastotype post of cylindrical tube, and the plastotype post, is internally provided with forming cavity, it is described into
Die cavity bosom is provided with middle plug, and the middle plug surrounding is evenly arranged with four edge rods, set among the middle plug
It is equipped with the cold pipe of core.
As a kind of preferable technical scheme of the utility model, the core support by two diameters it is different cylinder one into
Type, and section is into T-shaped.
As a kind of preferable technical scheme of the utility model, described pour is set with outer layer jacket outside sleeve pipe.
As a kind of preferable technical scheme of the utility model, the secondary die holder and swaging die be respectively installed with retainer plate and
Packing ring is covered, and is fixed by screw.
As a kind of preferable technical scheme of the utility model, the edge rod and middle plug be fixedly connected on rear depression bar and
On the inwall of knock-out gear junction.
As a kind of preferable technical scheme of the utility model, the wedge shape that the upper runner connects with lower runner shunts
Road is cut inside swaging dies with 45 degree and 135 degree respectively, and the wedge-shaped runner section is circle.
Compared with prior art, the beneficial effects of the utility model are：The utility model passes through in core support and headstock
Between double runner is set, the material body poured in sleeve pipe is rapidly performed by shunting by upper runner and lower runner, accelerated
Company when while condensate, carrying out preliminary material body cooling, be easy to the fast cooling shaping of follow-up material body, while ensureing its condensate
Connecing property, do not terminate in temperature it is too high when condense stress and continue to deform, cut by tapered runner in swaging dies for 45 degree and 135 degree,
After connect forming cavity so that material body in forming cavity rapid shaping push depanning, and knock-out gear forming cavity at the top of set cone
Type mouth is arranged on optimal moulding by casting position, and gate vestiges are arranged on tapered intraoral portion so that catheter surface has good
Shiny surface, the segment distance of forming cavity one is extended by middle plug and the edge rod set in knock-out gear, make its after depanning not
Deformation is produced due to gravity, the pipeline connected with the cold pipe of core is provided among rear depression bar, passes through external air cooling mechanism
Cooled down so that keep continuing cooling shaping in depanning.
Brief description of the drawings
Fig. 1 is the utility model section structural representation；
Fig. 2 is the utility model knock-out gear structural representation.
In figure：1- headstocks；2- core supports；3- outer layer jackets；4- retainer plates；5- die holder；6- swaging dies；7- covers packing ring；
8- knock-out gears；The cold pipe of 801- cores；802- forming cavities；803- plastotype posts；804- edges rod；Plug in 805-；9- wedge shape shuntings
Road；The tapered mouths of 10-；11- plugs；12- curved surface chambers；13- pours sleeve pipe；The upper runners of 14-；Runner under 15-；Depression bar after 16-.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Embodiment：
As shown in figure 1, the utility model provides a kind of technical solution, including headstock 1, inside the headstock 1
Intermediate lateral is provided with core support 2, and the top and bottom of the core support 2 and headstock 1 are respectively arranged with the He of runner 14
Lower runner 15, the right-hand member of core support 2 are provided with time die holder 5, and the secondary right side bosom of die holder 5 is provided with swaging die 6,
The inside center of core support 2 is provided with rear depression bar 16, and the rear depression bar 16 extends transversely through core support 2 and time die holder 5, and rear pressure
The right-hand member of bar 16 is connected with knock-out gear 8, and the knock-out gear 8 is located among swaging die 6, and the top of headstock 1 is provided with
Sleeve pipe 13 is poured, the sleeve pipe 13 that pours pours the bottom of sleeve pipe 13 and be communicated with runner 14 longitudinally through headstock 1, and passes through song
The lower runner 15 of the connection of face chamber 12, the upper runner 14 and the lower right-hand member of runner 15 are respectively connected with wedge-shaped runner 9, the wedge
The end of shape runner 9 is respectively connected with tapered mouth 10, and the tapered mouth 10 is respectively arranged at the top and bottom of knock-out gear 8；
As shown in Fig. 2 the knock-out gear 8 includes the plastotype post 803 of cylindrical tube, and the plastotype post 803, it is internal
Forming cavity 802 is provided with, the bosom of forming cavity 802 is provided with middle plug 805, and the middle surrounding of plug 805 is uniformly set
Four edge rods 804 are equipped with, the cold pipe 801 of core is provided among the middle plug 805.
Preferably, the core support 2 is integrally formed by two different cylinders of diameter, and section is into T types；It is described to pour
Outer layer jacket 3 is set with outside sleeve pipe 13；The secondary die holder 5 and swaging die 6 are respectively installed with retainer plate 4 and set packing ring 7, and pass through
Screw is fixed；The edge rod 804 and middle plug 805 are fixedly connected on the rear junction inwall of depression bar 16 and knock-out gear 8；It is described
Upper runner 14 and the wedge-shaped runner 9 of lower runner 15 connection are cut inside swaging dies 6 with 45 degree and 135 degree respectively, and institute
The wedge-shaped section of runner 9 is stated as circle.
Of the present utility model to be mainly characterized by, the utility model between core support and headstock by setting double split flow
Road, the material body poured in sleeve pipe is rapidly performed by shunting by upper runner and lower runner, while condensate is accelerated, carried out
Preliminary material body cooling, is easy to the fast cooling shaping of follow-up material body, while connectivity when ensureing its condensate, does not terminate in temperature
Condense stress when too high to continue to deform, by tapered 45 degree and 135 degree incision swaging dies of runner, connecting forming cavity afterwards, making
It must expect that body rapid shaping in forming cavity pushes depanning, and the tapered mouth set at the top of knock-out gear forming cavity is arranged on and most preferably poured
Injection forming position, and gate vestiges are arranged on tapered intraoral portion so that catheter surface has good shiny surface, passes through depanning machine
Middle plug and the edge rod set in structure extends the segment distance of forming cavity one, it is not produced after depanning due to gravity
Deformation, the pipeline connected with the cold pipe of core is provided among rear depression bar, is cooled down by external air cooling mechanism so that in depanning
When keep continue cooling shaping.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation
Involved claim.
Claims (6)
1. a kind of intervention catheter injection mold based on the micro- extrusion technology of polymer, including headstock (1), its feature
It is：Headstock (1) bosom is horizontally arranged with the top of core support (2), the core support (2) and headstock (1)
Upper runner (14) and lower runner (15) are respectively arranged with bottom, core support (2) right-hand member is provided with time die holder (5),
Bosom is provided with swaging die (6) on the right side of the secondary die holder (5), and core support (2) inside center is provided with rear depression bar
(16), the rear depression bar (16) extends transversely through core support (2) and time die holder (5), and rear depression bar (16) right-hand member is connected with depanning machine
Structure (8), and the knock-out gear (8) is located among swaging die (6), is provided with the top of the headstock (1) and pours sleeve pipe (13), institute
State and pour sleeve pipe (13) longitudinally through headstock (1), and pour sleeve pipe (13) bottom and be communicated with runner (14), and pass through curved surface chamber
(12) lower runner (15) is connected, the upper runner (14) and lower runner (15) right-hand member are respectively connected with wedge-shaped runner (9),
Wedge-shaped runner (9) end is respectively connected with tapered mouth (10), and the tapered mouth (10) is respectively arranged at knock-out gear (8)
Top and bottom；
The knock-out gear (8) includes the plastotype post (803) of cylindrical tube, and the plastotype post (803), is internally provided with shaping
Chamber (802), forming cavity (802) bosom are provided with middle plug (805), and middle plug (805) surrounding is uniformly arranged
There are four edge rods (804), the cold pipe of core (801) is provided among the middle plug (805).
2. a kind of intervention catheter injection mold based on the micro- extrusion technology of polymer according to claim 1,
It is characterized in that：The core support (2) is integrally formed by two different cylinders of diameter, and section is into T-shaped.
3. a kind of intervention catheter injection mold based on the micro- extrusion technology of polymer according to claim 1,
It is characterized in that：Described pour is set with outer layer jacket (3) outside sleeve pipe (13).
4. a kind of intervention catheter injection mold based on the micro- extrusion technology of polymer according to claim 1,
It is characterized in that：The secondary die holder (5) and swaging die (6) are respectively installed with retainer plate (4) and set packing ring (7), and pass through spiral shell
Nail is fixed.
5. a kind of intervention catheter injection mold based on the micro- extrusion technology of polymer according to claim 1,
It is characterized in that：The edge rod (804) and middle plug (805) are fixedly connected on rear depression bar (16) and knock-out gear (8) connection
Locate on inwall.
6. a kind of intervention catheter injection mold based on the micro- extrusion technology of polymer according to claim 1,
It is characterized in that：The wedge-shaped runner (9) of the upper runner (14) and lower runner (15) connection is respectively with 45 degree and 135 degree
It is internal to cut swaging die (6), and the wedge-shaped runner (9) section is circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720802373.XU CN207088439U (en) | 2017-07-05 | 2017-07-05 | A kind of intervention catheter injection mold based on the micro- extrusion technology of polymer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720802373.XU CN207088439U (en) | 2017-07-05 | 2017-07-05 | A kind of intervention catheter injection mold based on the micro- extrusion technology of polymer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207088439U true CN207088439U (en) | 2018-03-13 |
Family
ID=61555728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720802373.XU Expired - Fee Related CN207088439U (en) | 2017-07-05 | 2017-07-05 | A kind of intervention catheter injection mold based on the micro- extrusion technology of polymer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207088439U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108454054A (en) * | 2018-04-25 | 2018-08-28 | 中南大学 | A kind of five cavities conduit pipe extruder heads |
| CN117885291A (en) * | 2024-03-15 | 2024-04-16 | 四川省安利康医疗用品有限公司 | Die assembly for catheter processing and use method thereof |
-
2017
- 2017-07-05 CN CN201720802373.XU patent/CN207088439U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108454054A (en) * | 2018-04-25 | 2018-08-28 | 中南大学 | A kind of five cavities conduit pipe extruder heads |
| CN117885291A (en) * | 2024-03-15 | 2024-04-16 | 四川省安利康医疗用品有限公司 | Die assembly for catheter processing and use method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180313 Termination date: 20190705 |
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| CF01 | Termination of patent right due to non-payment of annual fee |