CN106426740A - Manufacturing method for puncturing core rod, puncturing core rod and puncture outfit - Google Patents
Manufacturing method for puncturing core rod, puncturing core rod and puncture outfit Download PDFInfo
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- CN106426740A CN106426740A CN201610810871.9A CN201610810871A CN106426740A CN 106426740 A CN106426740 A CN 106426740A CN 201610810871 A CN201610810871 A CN 201610810871A CN 106426740 A CN106426740 A CN 106426740A
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- shaft
- curved lever
- injection molding
- die cavity
- core bar
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Classifications
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- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14065—Positioning or centering articles in the mould
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00526—Methods of manufacturing
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
- A61B2017/3454—Details of tips
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Engineering & Computer Science (AREA)
- Medical Informatics (AREA)
- General Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Pathology (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a manufacturing method for a puncturing core rod, the puncturing core rod and a puncture outfit. The manufacturing method for the puncturing core rod comprises the following steps that firstly, a sharp end and a first rod body are produced; and secondly, a second rod body is produced. The segmented injection molding forming manner is adopted in the manufacturing method for the puncturing core rod, stability of the formed rod position in the injection molding process can be effectively guaranteed through the method, the rod is prevented from deflecting, the puncturing core rod can be smoothly formed through injection molding, and the rejection rate of products is reduced.
Description
Technical field
The present invention relates to area of medical devices, wear in particular to a kind of manufacture method of puncture core bar and accordingly
Thorn core bar and puncture outfit.
Background technology
Check in abdominal cavity, in abdominal operation and other minimally invasive or surgical operations, puncture outfit is requisite operating theater instruments.
Puncture outfit can set up entrance passage in the stomach wall of human body, (such as endoscope, to cut for laparoscope or other operating theater instruments
Knife, stapler, seal wire, conduit, filter, support etc.) enter in abdominal cavity, and provide the passage of gas turnover, to control operation institute
The pneumoperitoneum needing, to be checked or operation technique.
When the operation of minimally invasive laparoscopic medical starts, doctor typically first scratches a little otch in patient's belly, then will wear
Move down while reciprocating rotation about the little otch that the summit be aligned of barbed end is scratched, puncture outfit makes puncture cannula pass through patient
Belly cortex, then, the puncture core bar within puncture cannula is extracted by doctor.
At present, the puncture core bar of above-mentioned puncture outfit in process of production, is molded with using Shooting Technique.During injection, first
First curved lever is put in die cavity, and curved lever is positioned.Then, to injection injection molding material between curved lever and die cavity.So
And, in above-mentioned manufacture method, curved lever is susceptible to offset, thus have impact on the injection mo(u)lding puncturing core bar.
Therefore, for the problems referred to above it is necessary to propose further solution.
Content of the invention
For the deficiencies in the prior art, the present invention is intended to provide a kind of manufacture method puncturing core bar and corresponding puncture
Core bar and puncture outfit, to overcome the deficiencies in the prior art.
For achieving the above object, the present invention provides a kind of manufacture method puncturing core bar, and it includes：Most advanced and sophisticated, first
Shaft and the second shaft, described most advanced and sophisticated one end being located at described first shaft, described second shaft is located at described first shaft
The other end；
The described manufacture method puncturing core bar comprises the steps：
The production of S1, tip and the first shaft；
By curved lever and part described most advanced and sophisticated and that the first shaft is corresponding, send into the first die cavity of the first injection molding station
In；
Described curved lever is positioned so as to the inwall holding position of the first die cavity relatively is fixed；
To between described first die cavity and curved lever inject injection molding material, injection molding material through pressurize, cooling aftershaping, after being molded
Tip and the first shaft separated with the first die cavity；
S2, the production of the second shaft；
Send into the curved lever part corresponding with described second shaft in the second die cavity of the second injection molding station；
Described curved lever is positioned so as to the side wall of opposite tip and the first shaft and the second die cavity relatively is protected
Hold position to fix；
To between described second die cavity and curved lever inject injection molding material, injection molding material through pressurize, cooling aftershaping, to shaping after
Puncture core bar carry out the demoulding.
As the present invention puncture core bar manufacture method improvement, in described step S1, described inwall include side wall and
Antetheca；Between described curved lever and described side wall, there is radial distance, under detenting force, described curved lever and described side wall
Between radial distance keep uniformity；Between described curved lever and described antetheca, there is axial distance, in detenting force
Under, the axial distance between described curved lever and described antetheca keeps uniformity.
As the improvement of the manufacture method of the puncture core bar of the present invention, in described step S1, it is fixed that described curved lever is carried out
During position, described curved lever and the first die cavity is kept to be coaxially disposed.
As the improvement of the manufacture method of the puncture core bar of the present invention, in described step S1, by the tip and the after shaping
One shaft and the first die cavity carry out detached during, curved lever is fixed with described most advanced and sophisticated and the first shaft holding position.
As the improvement of the manufacture method of the puncture core bar of the present invention, in described step S2, it is fixed that described curved lever is carried out
During position, described curved lever and the second die cavity is kept to be coaxially disposed.
As the improvement of the manufacture method of the puncture core bar of the present invention, described second injection molding station and described first injection work
Position is continuous to be arranged, or, described second injection molding station is separately positioned with described first injection molding station.
As the improvement of the manufacture method of the puncture core bar of the present invention, the length of described second shaft be more than described most advanced and sophisticated and
The length sum of the first shaft.
For achieving the above object, the present invention provides a kind of manufacture method puncturing core bar, and it includes：Most advanced and sophisticated, the 1st bar
Body, the 2nd shaft ..., N shaft, described tip, the 1st shaft, the 2nd shaft ..., N shaft is sequentially connected；
The described manufacture method puncturing core bar comprises the steps：
The production of S1', tip and the 1st shaft；
Send into curved lever and part described most advanced and sophisticated and that the 1st shaft is corresponding in the first die cavity of the first injection molding station；
Described curved lever is positioned so as to the inwall holding position of the first die cavity relatively is fixed；
To between described first die cavity and curved lever inject injection molding material, injection molding material through pressurize, cooling aftershaping, after being molded
Tip and the 1st shaft separated with the first die cavity；
S2', the production of the 2nd shaft；
Send into the curved lever part corresponding with described 2nd shaft in the second die cavity of the second injection molding station；
Described curved lever is positioned so as to the inwall of opposite tip and the 1st shaft and the second die cavity relatively keeps
Position is fixed；
To between described second die cavity and curved lever inject injection molding material, injection molding material through pressurize, cooling aftershaping, after being molded
Tip, the 1st shaft, the 2nd shaft separated with the second die cavity；
……
SN', the production of N shaft；
Send into the curved lever part corresponding with described N shaft in the N-type chamber of N injection molding station；
Described curved lever is positioned so as to opposite tip, the 1st shaft, the 2nd shaft ... ..., N-1 shaft and
The inwall holding position in N-type chamber is fixed；
To between described N-type chamber and curved lever inject injection molding material, injection molding material through pressurize, cooling aftershaping, to shaping after
Puncture core bar carry out the demoulding.
For achieving the above object, the present invention provides a kind of puncture core bar, and its basis punctures core bar as above
Manufacture method produces.
For achieving the above object, the present invention provides a kind of puncture outfit, and it includes puncturing as above core bar.
Compared with prior art, the invention has the beneficial effects as follows：The manufacture method of the puncture core bar of the present invention adopts segmentation
The injection molding of formula, it can effectively ensure that the stability of curved lever position in injection moulding process, it is to avoid it shifts, and makes
Must puncture core bar can smoothly injection mo(u)lding, reduce the percent defective of product.
Brief description
Fig. 1 is the floor map of puncture core bar one specific embodiment of the present invention；
Fig. 2 is in the manufacture method of puncture core bar of the present invention, the principle schematic during production of tip and the first shaft,
Wherein, when arrow represents and is positioned, the force direction of applying, the part that multiple arrows represent reserved can be used in into
The positioning of type bar；
Fig. 3 is in the manufacture method of puncture core bar of the present invention, the principle schematic during production of the second shaft, wherein,
Arrow represents when being positioned, the force direction of applying, and multiple arrows represent that reserved part can be used in carrying out curved lever
Positioning.
Specific embodiment
Embodiments of the invention are described below in detail, the example of described embodiment is shown in the drawings, wherein from start to finish
The element that same or similar label represents same or similar element or has same or like function.
In describing the invention it is to be understood that term " " center ", " longitudinal ", " horizontal ", " length ", " width ",
" thickness ", " on ", D score, "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outward ", " axle
To ", " radially ", " circumferential ", the orientation of the instruction such as " reciprocal " or position relationship be based on orientation shown in the drawings or position relationship,
Be for only for ease of the description present invention and simplify description, rather than instruction or the hint device of indication or element must have specific
Orientation, with specific azimuth configuration and operation, be therefore not considered as limiting the invention.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or hint relative importance
Or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include at least one this feature.In describing the invention, " multiple " are meant that at least two, such as two, three
Individual etc., unless otherwise expressly limited specifically.
Embodiment below with reference to Description of Drawings is exemplary it is intended to be used for explaining the present invention, and is not understood that
For limitation of the present invention.With reference to specific embodiment, each technical scheme of the present invention is described in detail.
As shown in figure 1, described puncture core bar inner hollow setting, it includes：Most advanced and sophisticated 1, first shaft 2 and the second shaft
3, wherein, described most advanced and sophisticated 1 is located at one end of described first shaft 2, and described second shaft 3 is located at the another of described first shaft 2
End.Preferably, the length of described second shaft 3 be more than described most advanced and sophisticated 1 and first shaft 2 length sum.
The manufacture method of the puncture core bar of the present invention, due to the molding mode using segmented, enables to curved lever and reserves
Enough length is positioned, and reserved part can be used in carrying out the positioning of curved lever, thus overcoming existing puncture
In core bar manufacture method, the problem that curved lever is susceptible to offset.Specifically, the manufacture method of the puncture core bar of the present invention includes
Following steps：
The production of S1, tip and the first shaft.
Described step S1 is used for producing tip 1 and the first shaft 2 puncturing core bar first.Due to described second shaft 3
Length be more than described most advanced and sophisticated 1 and first shaft 2 length sum, thus, in most advanced and sophisticated 1 and the first shaft 2 production process, favorably
In the fixation keeping position relationship between tip 1 and the first shaft 2 and curved lever.Meanwhile, curved lever and described second shaft 3 phase
Corresponding part, now can be used in the positioning of curved lever, so, further avoid curved lever and shifts.
As shown in Fig. 2 described step S1 specifically includes：
S11, by curved lever 4 and described most advanced and sophisticated 1 and the first corresponding part of shaft 2, send into the of the first injection molding station
In one die cavity 5.
Wherein, the internal diameter of described first die cavity 5 be more than described curved lever 4 external diameter, thus, described first die cavity 5 with enter
Limit between the curved lever 4 entering described first die cavity 5 described most advanced and sophisticated 1 and first shaft 2 injection mo(u)lding space.Additionally, shaping
Bar 4 with described most advanced and sophisticated 1 and first the corresponding part of shaft 2 refer to, curved lever 4 is used for assist most advanced and sophisticated 1 to become with the first shaft 2
The part of type.
S12, described curved lever 4 is positioned so as to the inwall holding position of relatively the first die cavity 5 is fixed.
Wherein, when described curved lever 4 being positioned, using the detent mechanism in corresponding injection moulding apparatus to curved lever 4,
The part to apply active force corresponding with described second shaft 3, makes described curved lever 4 and the first die cavity 5 keep being coaxially disposed.Institute
Rheme puts fixing being meant that：Make curved lever 4 locating rod 3 in the presence of the detent mechanism in injection moulding apparatus with described first
The inwall holding position relation of die cavity 5 is relatively fixed.
Specifically, described inwall includes side wall 51 and antetheca 52, has radially between described curved lever 4 and described side wall 51
Distance, under detenting force, the radial distance between curved lever 4 and the first die cavity 5 injection die cavities 2 keeps uniformly curved lever 4
Unanimously, thus realizing carrying out radial positioning to curved lever 4；Between described curved lever 4 and described antetheca 52, there is axial distance, become
Under detenting force, the axial distance between curved lever 4 and antetheca 52 keeps uniformity to type bar 4, thus realizing to shaping
Bar 4 carries out axially position.
Further, since the tip 1 of injection mo(u)lding is relative with the first shaft 2 punctures core bar generally speaking, length is shorter, and becomes
Type bar 4 can be used for the partly relatively long of positioning.So, curved lever 4 is not susceptible to offset, and ensure that the point of injection mo(u)lding
End 1 and the Forming Quality of the first shaft 2.
S13, between described first die cavity 5 and curved lever 4 inject injection molding material, injection molding material through pressurize, cooling aftershaping, will
Tip 1 after shaping and the first shaft 2 are separated with the first die cavity 5.
Wherein, by the tip 1 after shaping and the first shaft 2 and the first die cavity 5 carry out detached during, holding curved lever
4 are fixed with described most advanced and sophisticated 1 and the first shaft 2 holding position, so, in order to the injection mo(u)lding of the second shaft 3.
As shown in figure 3, the production of S2, the second shaft.
S21, by curved lever 4 part corresponding with described second shaft 3, send into the second die cavity 6 of the second injection molding station
In.
Wherein, the internal diameter of described second die cavity 6 be more than described curved lever 4 external diameter, thus, described second die cavity 6 with enter
The injection mo(u)lding space of described second shaft 3 is limited between the curved lever 4 entering described second die cavity 6.Meanwhile, first shaft 2
End also extend in the second die cavity 6, in order to be connected with the second shaft 3 injection.Additionally, described curved lever 4 and described second
The corresponding part of shaft 3 refers to, curved lever 4 is used for the part of auxiliary the second shaft 3 shaping.
S22, described curved lever 4 is positioned so as to the side of opposite tip 1 and the first shaft 2 and the second die cavity 6
Wall holding position is fixed.
Wherein, when described curved lever 4 being positioned, to curved lever 4 with described most advanced and sophisticated 1 and first shaft 2 corresponding
Part to apply active force, makes described curved lever 4 and the second die cavity 6 keep being coaxially disposed.Wherein, the application point of to apply active force is
Act on the tip 1 and the first shaft 2 outside curved lever 4, thus, under the transmission of power acts on, active force can be applied to
On curved lever 4, and then realize the positioning of described curved lever 4.Now, because the second shaft 3 of injection mo(u)lding punctures core bar relatively
Generally speaking, length is shorter, and curved lever 4 to can be used for position portion relatively long.So, curved lever 4 is not susceptible to offset,
Ensure that the quality of the second shaft 3 of injection mo(u)lding.
S23, between described second die cavity 6 and curved lever 4 inject injection molding material, injection molding material through pressurize, cooling aftershaping, right
Puncture core bar after shaping carries out the demoulding.
Wherein, in the second die cavity 6 during injection mo(u)lding, injection molding material is by being opened in the second die cavity 6 madial wall for the second shaft 3
Injection hole be injected in described second die cavity 6, the injection molding material of injection is contacted with the end of the first shaft 2, in injection molding material
Under heat effect, the end face of the first shaft 2 is merged with injection molding material, after the second shaft 3 injection mo(u)lding, the first shaft 2 with
Second shaft 3 is connected, and obtains complete puncture core bar.
Additionally, described second injection molding station is continuously arranged with described first injection molding station, or, described second injection molding station
Separately positioned with described first injection molding station.Wherein, when described second injection molding station and described first injection molding station are continuously arranged,
Can be realized by double coloured plastic injection machine, now, the tip after the first injection molding station shaping and the first shaft are sent to the automatically
Two injection molding station carry out the injection mo(u)lding of the second shaft.Described second injection molding station is separately positioned with described first injection molding station
When, injection mo(u)lding can be carried out respectively using two molds.
The present invention also provides a kind of manufacture method puncturing core bar, in the manufacture method of this puncture core bar, punctures core bar
Injection mo(u)lding is not limited to two sections of injection mo(u)ldings, can as needed, according to three sections, the more multistage Shooting Techniques such as four sections complete to puncture
The production of core bar.
Now, described puncture core bar includes：Tip, the 1st shaft, the 2nd shaft ... ..., N shaft, described most advanced and sophisticated, the 1st
Shaft, the 2nd shaft ... ..., N shaft is sequentially connected.Wherein, N is the positive integer more than or equal to 3.
Specifically, the described manufacture method puncturing core bar comprises the steps：
The production of S1', tip and the 1st shaft；
Send into curved lever and part described most advanced and sophisticated and that the 1st shaft is corresponding in the first die cavity of the first injection molding station；
Described curved lever is positioned so as to the inwall holding position of the first die cavity relatively is fixed；
To between described first die cavity and curved lever inject injection molding material, injection molding material through pressurize, cooling aftershaping, after being molded
Tip and the 1st shaft separated with the first die cavity；
S2', the production of the 2nd shaft；
Send into the curved lever part corresponding with described 2nd shaft in the second die cavity of the second injection molding station；
Described curved lever is positioned with the side wall holding position so as to opposite tip and the 1st shaft and the second die cavity
Fixing；
To between described second die cavity and curved lever inject injection molding material, injection molding material through pressurize, cooling aftershaping, after being molded
Tip, the 1st shaft, the 2nd shaft separated with the second die cavity；
……
SN', the production of N shaft；
Send into the curved lever part corresponding with described N shaft in the N-type chamber of N injection molding station；
Described curved lever is positioned so as to opposite tip, the 1st shaft, the 2nd shaft ... ..., N-1 shaft and
The inwall holding position in N-type chamber is fixed；
To between described N-type chamber and curved lever inject injection molding material, injection molding material through pressurize, cooling aftershaping, to shaping after
Puncture core bar carry out the demoulding.
The present invention also provide a kind of puncture core bar, its produced according to the manufacture method of two kinds of puncture core bars as above and
Become.
The present invention also provides a kind of puncture outfit, and described puncture outfit includes puncturing as above core bar.
In sum, the manufacture method of the puncture core bar of the present invention adopts the injection molding of segmented, and it can have
Effect ensures the stability of curved lever position in injection moulding process, it is to avoid it shifts and can smoothly be molded into so that puncturing core bar
Type, reduces the percent defective of product.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integral；Can be that machinery connects
Connect or electrically connect；Can be to be joined directly together it is also possible to be indirectly connected to by intermediary, can be in two elements
The connection in portion or the interaction relationship of two elements, limit unless otherwise clear and definite.For those of ordinary skill in the art
For, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score permissible
It is the first and second feature directly contacts, or the first and second features pass through intermediary mediate contact.And, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature are directly over second feature or oblique upper, or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is immediately below second feature or obliquely downward, or is merely representative of fisrt feature level height and is less than second feature.
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy describing with reference to this embodiment or example
Point is contained at least one embodiment or the example of the present invention.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.And, the specific features of description, structure, material or feature can be in office
Combine in an appropriate manner in one or more embodiments or example.Additionally, in the case of not conflicting, the skill of this area
The feature of the different embodiments described in this specification or example and different embodiment or example can be tied by art personnel
Close and combine.
Although embodiments of the invention have been shown and described above it is to be understood that above-described embodiment is example
Property it is impossible to be interpreted as limitation of the present invention, those of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changes, replacing and modification.
Claims (10)
1. a kind of manufacture method puncturing core bar is it is characterised in that described puncture core bar includes：Most advanced and sophisticated, the first shaft and the
Two shafts, described most advanced and sophisticated one end being located at described first shaft, described second shaft is located at the other end of described first shaft；
The described manufacture method puncturing core bar comprises the steps：
The production of S1, tip and the first shaft；
Send into curved lever and part described most advanced and sophisticated and that the first shaft is corresponding in the first die cavity of the first injection molding station；
Described curved lever is positioned so as to the inwall holding position of the first die cavity relatively is fixed；
To between described first die cavity and curved lever inject injection molding material, injection molding material through pressurize, cooling aftershaping, by shaping after point
End and the first shaft are separated with the first die cavity；
S2, the production of the second shaft；
Send into the curved lever part corresponding with described second shaft in the second die cavity of the second injection molding station；
Described curved lever is positioned so as to the side wall holding position of opposite tip and the first shaft and relatively the second die cavity
Put fixation；
To between described second die cavity and curved lever inject injection molding material, injection molding material through pressurize, cooling aftershaping, to shaping after wear
Thorn core bar carries out the demoulding.
2. the manufacture method puncturing core bar according to claim 1 is it is characterised in that in described step S1, described inwall
Including side wall and antetheca；Between described curved lever and described side wall, there is radial distance, under detenting force, described curved lever
The radial distance and wall of described side between keeps uniformity；Between described curved lever and described antetheca, there is axial distance,
Under detenting force, the axial distance between described curved lever and described antetheca keeps uniformity.
3. the manufacture method puncturing core bar according to claim 1 is it is characterised in that in described step S1, to described one-tenth
When type bar is positioned, described curved lever and the first die cavity is kept to be coaxially disposed.
4. the manufacture method puncturing core bar according to claim 1 is it is characterised in that in described step S1, after being molded
Tip and the first shaft and the first die cavity carry out detached during, curved lever and described most advanced and sophisticated and the first shaft holding position
Fixing.
5. the manufacture method puncturing core bar according to claim 1 is it is characterised in that in described step S2, to described one-tenth
When type bar is positioned, described curved lever and the second die cavity is kept to be coaxially disposed.
6. according to claim 1 puncture core bar manufacture method it is characterised in that described second injection molding station with described
First injection molding station is continuously arranged, or, described second injection molding station is separately positioned with described first injection molding station.
7. the manufacture method puncturing core bar according to claim 1 is it is characterised in that the length of described second shaft is more than
The described most advanced and sophisticated length sum with the first shaft.
8. a kind of manufacture method puncturing core bar is it is characterised in that described puncture core bar includes：Tip, the 1st shaft, the 2nd bar
Body ..., N shaft, described tip, the 1st shaft, the 2nd shaft ..., N shaft is sequentially connected；
The described manufacture method puncturing core bar comprises the steps：
The production of S1', tip and the 1st shaft；
Send into curved lever and part described most advanced and sophisticated and that the 1st shaft is corresponding in the first die cavity of the first injection molding station；
Described curved lever is positioned so as to the inwall holding position of the first die cavity relatively is fixed；
To between described first die cavity and curved lever inject injection molding material, injection molding material through pressurize, cooling aftershaping, by shaping after point
End and the 1st shaft are separated with the first die cavity；
S2', the production of the 2nd shaft；
Send into the curved lever part corresponding with described 2nd shaft in the second die cavity of the second injection molding station；
Described curved lever is positioned so as to the inwall holding position of opposite tip and the 1st shaft and relatively the second die cavity
Fixing；
To between described second die cavity and curved lever inject injection molding material, injection molding material through pressurize, cooling aftershaping, by shaping after point
End, the 1st shaft, the 2nd shaft are separated with the second die cavity；
……
SN', the production of N shaft；
Send into the curved lever part corresponding with described N shaft in the N-type chamber of N injection molding station；
Described curved lever is positioned so as to opposite tip, the 1st shaft, the 2nd shaft ... ..., N-1 shaft and N
The inwall holding position of die cavity is fixed；
To between described N-type chamber and curved lever inject injection molding material, injection molding material through pressurize, cooling aftershaping, to shaping after wear
Thorn core bar carries out the demoulding.
9. a kind of puncture core bar it is characterised in that described puncture core bar according to claim 1 or 8 puncture core bar system
The method of making produces.
10. a kind of puncture outfit is it is characterised in that described puncture outfit includes puncturing as claimed in claim 9 core bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610810871.9A CN106426740B (en) | 2016-09-08 | 2016-09-08 | It punctures the manufacturing method of core bar and punctures core bar and puncture outfit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610810871.9A CN106426740B (en) | 2016-09-08 | 2016-09-08 | It punctures the manufacturing method of core bar and punctures core bar and puncture outfit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106426740A true CN106426740A (en) | 2017-02-22 |
| CN106426740B CN106426740B (en) | 2019-01-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610810871.9A Active CN106426740B (en) | 2016-09-08 | 2016-09-08 | It punctures the manufacturing method of core bar and punctures core bar and puncture outfit |
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| CN105050482A (en) * | 2012-12-27 | 2015-11-11 | 柯惠Lp公司 | Two-shot molded optical obturator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105050482A (en) * | 2012-12-27 | 2015-11-11 | 柯惠Lp公司 | Two-shot molded optical obturator |
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