CN106078465A - Blood taking tube mold cores, its finishing method and blood taking tube forming method - Google Patents
Blood taking tube mold cores, its finishing method and blood taking tube forming method Download PDFInfo
- Publication number
- CN106078465A CN106078465A CN201610443339.8A CN201610443339A CN106078465A CN 106078465 A CN106078465 A CN 106078465A CN 201610443339 A CN201610443339 A CN 201610443339A CN 106078465 A CN106078465 A CN 106078465A
- Authority
- CN
- China
- Prior art keywords
- core
- surface roughness
- blood taking
- taking tube
- polished
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- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B29/00—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents
- B24B29/02—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents designed for particular workpieces
-
- 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
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/753—Medical equipment; Accessories therefor
- B29L2031/7542—Catheters
Abstract
Present invention is disclosed a kind of blood taking tube mold cores, its finishing method and blood taking tube forming method.Blood taking tube mold cores finishing method includes step: provide an initial core；Utilizing sand paper and cream of milling to be polished initial core successively and obtain building core, the surface roughness Ra of described building core is not more than 0.025um.The present invention, by controlling the surface roughness Ra of mold cores, enables the surface roughness Ra of the blood taking tube inwall produced to reach the requirement being directly produced, thus cancels this operation of silicidation, simplifies production procedure, reduces cost, and improves blood taking tube reliability.
Description
Technical field
The present invention relates to blood taking tube and manufacture field, particularly relate to a kind of blood taking tube mold cores, its finishing method and adopt
Angioplastic method.
Background technology
At present, the blood taking tube inner wall surface roughness Ra of domestic production is the best, and its main cause produces blood taking tube and uses
Mold cores polishing is not in place.
In prior art, the surface roughness Ra of mold cores can only achieve 0.05um, produces with this mold cores
Blood taking tube surface rougher, it is necessary to blood taking tube carries out silicidation again, and blood taking tube can produce blood and hangs the most in use
Wall phenomenon.
Here, on the one hand, increase silicidation and can improve difficulty of processing, increasing cost, on the other hand, silicidation exists
Following harm: (1) increases painting silicone oil in blood taking tube tube wall, different owing to being coated with the technical merit of silicone oil, increase the silicone oil being coated with and have not
Equal phenomenon；(2) painting silicone oil is increased in blood taking tube tube wall, owing to silicone oil is a kind of chemical reagent, although be medical grade, but still
So may produce reaction with blood sample, thus affect the testing result of blood sample.
Summary of the invention
It is an object of the invention to provide a kind of blood taking tube mold cores, its finishing method and blood taking tube forming method.
One of for achieving the above object, an embodiment of the present invention provides a kind of blood taking tube mold cores polishing side
Method, including step:
One initial core is provided；
Utilizing sand paper and cream of milling to be polished initial core successively and obtain building core, the surface of described building core is thick
Rugosity Ra is not more than 0.025um.
As the further improvement of an embodiment of the present invention, the surface roughness Ra of described building core is 0.012
um。
As the further improvement of an embodiment of the present invention, step " utilizes sand paper and abrasive pastes successively to initial core
Being polished and obtain building core, the surface roughness Ra of described building core is not more than 0.025 um " specifically include:
Utilizing sand paper to be polished initial core and obtain middle core, the surface roughness Ra of described middle core is not more than
0.2 um；
Middle core is polished and obtains building core by utilization cream of milling, and the surface roughness Ra of described building core is little
In 0.025 um.
As the further improvement of an embodiment of the present invention, step " utilizes sand paper and cream of milling successively to initial core
Being polished and obtain building core, the surface roughness Ra of described building core is not more than 0.025 um " specifically include:
Utilize the sand paper that model is 200#, 400#, 600#, 800#, 1000# and 1200# successively initial core to be polished and
Obtaining middle core, the surface roughness Ra of described middle core is not more than 0.2；
The cream of milling that model is 1800#, 3000#, 8000# and 14000# is utilized successively middle core to be polished and become
Type core, the surface roughness Ra of described building core is not more than 0.025 um.
As the further improvement of an embodiment of the present invention, the surface roughness Ra of described middle core is 0.1 um,
The surface roughness Ra of described building core is 0.012 um.
As the further improvement of an embodiment of the present invention, step " provides an initial core " and specifically includes:
The initial core providing a surface roughness Ra to be 3.2 um.
One of for achieving the above object, an embodiment of the present invention provides a kind of blood taking tube forming method, including step
Rapid:
The building core that one surface roughness Ra is not more than 0.025 um is provided；
The injection of described building core is utilized to form blood taking tube.
As the further improvement of an embodiment of the present invention, step " provides a surface roughness Ra to be not more than 0.025
The building core of um " specifically include:
One initial core is provided；
Utilizing sand paper and cream of milling to be polished initial core successively and obtain building core, the surface of described building core is thick
Rugosity Ra is 0.012 um.
As the further improvement of an embodiment of the present invention, step " utilizes sand paper and cream of milling successively to initial core
Being polished and obtain building core, the surface roughness Ra of described building core is 0.012 um " specifically include:
Utilize the sand paper that model is 200#, 400#, 600#, 800#, 1000# and 1200# successively initial core to be polished and
Obtaining middle core, the surface roughness Ra of described middle core is 0.1 um；
The cream of milling that model is 1800#, 3000#, 8000# and 14000# is utilized successively middle core to be polished and become
Type core, the surface roughness Ra of described building core is 0.012 um.
One of for achieving the above object, an embodiment of the present invention provides a kind of blood taking tube mold cores, described
The surface roughness Ra of core is not more than 0.025 um.
Compared with prior art, the beneficial effects of the present invention is: the present invention is by controlling the rough surface of mold cores
Degree Ra, enables the surface roughness Ra of the blood taking tube inwall produced to reach the requirement being directly produced, thus cancels at silication
Manage this operation, simplify production procedure, reduce cost, and improve blood taking tube reliability.
Accompanying drawing explanation
Fig. 1 is the block diagram of the blood taking tube mold cores finishing method of an embodiment of the present invention；
Fig. 2 is the surface roughness relation reference table with fineness of an embodiment of the present invention；
Fig. 3 is the sand paper of an embodiment of the present invention, cream polishing process block diagram of milling；
Fig. 4 is the block diagram of the blood taking tube forming method of an embodiment of the present invention.
Detailed description of the invention
Describe the present invention below with reference to detailed description of the invention shown in the drawings.But these embodiments are also
It is not intended to the present invention, structure that those of ordinary skill in the art is made, method or functionally according to these embodiments
Conversion is all contained in protection scope of the present invention.
As it is shown in figure 1, be the block diagram of the blood taking tube mold cores finishing method of an embodiment of the present invention.Described throwing
Light method includes step:
One initial core is provided；
Utilizing sand paper and cream of milling to be polished initial core successively and obtain building core, the surface of described building core is thick
Rugosity Ra is not more than 0.025um.
Here, the surface roughness Ra of initial core is 3.2 um, but is not limited.The building core finally given
Surface roughness Ra is preferably 0.012um, when the surface roughness Ra of building core is 0.012um, in conjunction with Fig. 2, molding type
The apparent condition of core is vaporific minute surface, utilizes the surface roughness Ra of the blood taking tube inwall that this building core produces can reach straight
Deliver a child the requirement produced, such that it is able to omit this operation of silicidation, simplify production procedure, reduce cost, and blood sampling can be improved
Pipe uses the reliability of process.
It is appreciated that owing to there may be some deviations during polishing, the surface of the building core finally given
Can there is certain range of error in roughness Ra, but range of error is unsuitable excessive.Such as, in the present embodiment, final
To the surface roughness Ra of building core be alternatively 0.025um, now, its apparent condition is specular glassy surface.
Further, in the present embodiment, step " utilize sand paper and abrasive pastes successively initial core to be polished and
Obtaining building core, the surface roughness Ra of described building core is not more than 0.025 um " specifically include:
Utilizing sand paper to be polished initial core and obtain middle core, the surface roughness Ra of described middle core is not more than
0.2 um；
Middle core is polished and obtains building core by utilization cream of milling, and the surface roughness Ra of described building core is little
In 0.025 um.
Concrete, join Fig. 3, the polishing process of sand paper and cream of milling includes step:
Utilize the sand paper that model is 200#, 400#, 600#, 800#, 1000# and 1200# successively initial core to be polished and
Obtaining middle core, the surface roughness Ra of described middle core is not more than 0.2；
The cream of milling that model is 1800#, 3000#, 8000# and 14000# is utilized successively middle core to be polished and become
Type core, the surface roughness Ra of described building core is not more than 0.025 um.
Here, the surface roughness Ra of the middle core obtained is preferably 0.1 um, and the surface of the building core obtained is thick
Rugosity Ra is preferably 0.012 um.By the polishing successively of the sand paper of various models, core is gradually by surface roughness Ra
Initial core for 3.2um becomes the middle core that surface roughness Ra is 0.1um, and now the apparent condition of core is gradually by micro-
See that cutter trade becomes dark glassy surface.Then, by the polishing successively of the cream of milling of various models, core is gradually by surface
Roughness Ra is that the middle core of 0.1um becomes the building core that surface roughness Ra is 0.012um, now the surface shape of core
State is gradually become vaporific minute surface by dark glassy surface.Certainly, the surface roughness Ra of middle core and building core can exist one
Fixed range of error.It should be noted that aforementioned sand paper, cream polishing process of milling can be completed by apparatus control, certainly, it is possible to
Being completed by manual operation, the surface roughness Ra of core can be determined by equipment Inspection, or judges to determine by artificial experience.
As shown in Figure 4, for the block diagram of blood taking tube forming method of an embodiment of the present invention.Described forming method includes
Step:
The building core that one surface roughness Ra is not more than 0.025 um is provided；
The injection of described building core is utilized to form blood taking tube.
Here, the surface roughness Ra of building core is preferably 0.012um, when the surface roughness Ra of building core is
During 0.012um, the apparent condition of building core is vaporific minute surface, utilizes the table of the blood taking tube inwall of this building core injection formation
Surface roughness Ra can reach the requirement being directly produced, such that it is able to omit this operation of silicidation, simplifies production procedure, fall
Low cost, and the reliability of blood taking tube use process can be improved.
It is appreciated that owing to there may be some deviations during polishing, the surface of the building core finally given
Can there is certain range of error in roughness Ra, but range of error is unsuitable excessive.Such as, in the present embodiment, final
To the surface roughness Ra of building core be alternatively 0.025um, now, its apparent condition is specular glassy surface.
The acquisition methods of the building core of present embodiment is referred to above-mentioned blood taking tube mold cores finishing method
Illustrate, do not repeat them here.
The present invention also provides for a kind of blood taking tube mold cores, and the surface roughness Ra of described core is not more than 0.025
um.Here, the surface roughness Ra of building core is preferably 0.012um, when the surface roughness Ra of building core is 0.012um
Time, the apparent condition of building core is vaporific minute surface, utilizes the rough surface of the blood taking tube inwall of this building core injection formation
Degree Ra can reach the requirement being directly produced, such that it is able to omit this operation of silicidation, simplifies production procedure, reduces into
This, and the reliability of blood taking tube use process can be improved.
It is to be understood that, although this specification is been described by according to embodiment, but the most each embodiment only comprises one
Individual independent technical scheme, this narrating mode of description is only that for clarity sake those skilled in the art should will say
Bright book is as an entirety, and the technical scheme in each embodiment can also be through appropriately combined, and forming those skilled in the art can
With other embodiments understood.
The a series of detailed description of those listed above is only for the feasibility embodiment of the present invention specifically
Bright, they also are not used to limit the scope of the invention, all equivalent implementations made without departing from skill of the present invention spirit
Or change should be included within the scope of the present invention.
Claims (10)
1. a blood taking tube mold cores finishing method, it is characterised in that include step:
One initial core is provided；
Utilizing sand paper and cream of milling to be polished initial core successively and obtain building core, the surface of described building core is thick
Rugosity Ra is not more than 0.025um.
Blood taking tube mold cores finishing method the most according to claim 1, it is characterised in that the table of described building core
Surface roughness Ra is 0.012 um.
Blood taking tube mold cores finishing method the most according to claim 1, it is characterised in that step " utilizes sand paper and grinds
Initial core is polished and obtains building core by mill cream successively, and the surface roughness Ra of described building core is not more than
0.025 um " specifically include:
Utilizing sand paper to be polished initial core and obtain middle core, the surface roughness Ra of described middle core is not more than
0.2 um；
Middle core is polished and obtains building core by utilization cream of milling, and the surface roughness Ra of described building core is little
In 0.025 um.
Blood taking tube mold cores finishing method the most according to claim 1, it is characterised in that step " utilizes sand paper and stone roller
Initial core is polished and obtains building core by mill cream successively, and the surface roughness Ra of described building core is not more than
0.025 um " specifically include:
Utilize the sand paper that model is 200#, 400#, 600#, 800#, 1000# and 1200# successively initial core to be polished and
Obtaining middle core, the surface roughness Ra of described middle core is not more than 0.2；
The cream of milling that model is 1800#, 3000#, 8000# and 14000# is utilized successively middle core to be polished and become
Type core, the surface roughness Ra of described building core is not more than 0.025 um.
5. according to the mold cores finishing method of the blood taking tube described in claim 3 or 4, it is characterised in that described middle core
Surface roughness Ra be 0.1 um, the surface roughness Ra of described building core is 0.012 um.
Blood taking tube mold cores finishing method the most according to claim 1, it is characterised in that step " provides a primary tape
Core " specifically include:
The initial core providing a surface roughness Ra to be 3.2 um.
7. a blood taking tube forming method, it is characterised in that include step:
The building core that one surface roughness Ra is not more than 0.025 um is provided；
The injection of described building core is utilized to form blood taking tube.
Blood taking tube forming method the most according to claim 7, it is characterised in that step " provides a surface roughness Ra little
Building core in 0.025 um " specifically include:
One initial core is provided；
Utilizing sand paper and cream of milling to be polished initial core successively and obtain building core, the surface of described building core is thick
Rugosity Ra is 0.012 um.
Blood taking tube forming method the most according to claim 8, it is characterised in that step " utilizes sand paper and cream of milling the most right
Initial core is polished and obtains building core, and the surface roughness Ra of described building core is 0.012 um " specifically include:
Utilize the sand paper that model is 200#, 400#, 600#, 800#, 1000# and 1200# successively initial core to be polished and
Obtaining middle core, the surface roughness Ra of described middle core is 0.1 um；
The cream of milling that model is 1800#, 3000#, 8000# and 14000# is utilized successively middle core to be polished and become
Type core, the surface roughness Ra of described building core is 0.012 um.
10. a blood taking tube mold cores, it is characterised in that the surface roughness Ra of described core is not more than 0.025 um.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610443339.8A CN106078465A (en) | 2016-06-20 | 2016-06-20 | Blood taking tube mold cores, its finishing method and blood taking tube forming method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610443339.8A CN106078465A (en) | 2016-06-20 | 2016-06-20 | Blood taking tube mold cores, its finishing method and blood taking tube forming method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106078465A true CN106078465A (en) | 2016-11-09 |
Family
ID=57237325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610443339.8A Pending CN106078465A (en) | 2016-06-20 | 2016-06-20 | Blood taking tube mold cores, its finishing method and blood taking tube forming method |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0353710A2 (en) * | 1988-08-03 | 1990-02-07 | Terumo Kabushiki Kaisha | Blood collecting tube |
| CN2100184U (en) * | 1991-09-28 | 1992-04-01 | 淄博市卫生防疫站 | Once-used blood-drawing tube for a test |
| JPH11222551A (en) * | 1998-02-06 | 1999-08-17 | Sekisui Chem Co Ltd | Polyethylene terephthalate resin composition and tube body for blood collection tube |
| CN103640141A (en) * | 2013-12-18 | 2014-03-19 | 天津市中环亚光电子有限责任公司 | Injection molding process of PET (Polyester) plastic tube for disposable vacuum blood collection tube |
| CN203710028U (en) * | 2013-07-31 | 2014-07-16 | 江西丽华鑫朗药业科技有限公司 | Double-layer gas-shielding vacuum blood collection tube |
| CN204604815U (en) * | 2015-01-09 | 2015-09-02 | 宁波伟立机器人科技有限公司 | A kind of medical heparin tube takes out and packaging system automatically |
-
2016
- 2016-06-20 CN CN201610443339.8A patent/CN106078465A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0353710A2 (en) * | 1988-08-03 | 1990-02-07 | Terumo Kabushiki Kaisha | Blood collecting tube |
| CN2100184U (en) * | 1991-09-28 | 1992-04-01 | 淄博市卫生防疫站 | Once-used blood-drawing tube for a test |
| JPH11222551A (en) * | 1998-02-06 | 1999-08-17 | Sekisui Chem Co Ltd | Polyethylene terephthalate resin composition and tube body for blood collection tube |
| CN203710028U (en) * | 2013-07-31 | 2014-07-16 | 江西丽华鑫朗药业科技有限公司 | Double-layer gas-shielding vacuum blood collection tube |
| CN103640141A (en) * | 2013-12-18 | 2014-03-19 | 天津市中环亚光电子有限责任公司 | Injection molding process of PET (Polyester) plastic tube for disposable vacuum blood collection tube |
| CN204604815U (en) * | 2015-01-09 | 2015-09-02 | 宁波伟立机器人科技有限公司 | A kind of medical heparin tube takes out and packaging system automatically |
Non-Patent Citations (2)
| Title |
|---|
| 张孝民: "《塑料模具技术》", 31 July 2003 * |
| 赵峰等: "《机械制造基础》", 30 September 2012 * |
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Application publication date: 20161109 |