CN107262725A - Blood bag process for making blade - Google Patents
Blood bag process for making blade Download PDFInfo
- Publication number
- CN107262725A CN107262725A CN201710331972.2A CN201710331972A CN107262725A CN 107262725 A CN107262725 A CN 107262725A CN 201710331972 A CN201710331972 A CN 201710331972A CN 107262725 A CN107262725 A CN 107262725A
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- Prior art keywords
- stage
- blade
- blade base
- sintering
- incubated
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
- B22F7/06—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
- B22F2998/10—Processes characterised by the sequence of their steps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Composite Materials (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Surgical Instruments (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Ceramic Products (AREA)
Abstract
Present invention is disclosed blood bag process for making blade, comprise the following steps：Using alumina material as base material, silica is added, silicon nitride and graphene are mixed and made into suspension；Continued drying out after suspension is poured into ball grinder, ball milling in vacuum drying chamber, dried mixed powder is sieved；Powder is poured into the mould for needing to be molded, using hot pressed sintering mode, blade base is obtained after sintering；The adding thermal resistance being connected with each other and electrode pin are printed by conductive material in the upper and lower part of blade base, the controller of heating blade base is used as；Zirconium oxide, aluminum oxide and the rare earth oxide containing titanium valve are prepared by mixing into slurry, slurry is coated on to the top overlay controller of blade base, exposes the knife-edge portion of the bottom of original blade base；Carry out sinter molding stage by stage；Grinding and buffing processing is carried out to knife-edge portion.The blade of the present invention has a Thermal conductivity, homogeneous heating and is easily controlled.
Description
Technical field
The invention belongs to blade manufacturing technology field, more particularly to a kind of blood bag process for making blade.
Background technology
Blood bag product application amount in medical device industry is very big, and blood bag is when carrying out sealing outward flange usually using high frequency
Solder up mould, presses upper die and lower die at blood bag opening when high-frequency welding sealing die is sealed, will by high frequency electric
The heat that upper die and lower die are produced makes the thawing at blood bag mouthful and is bonded together, and completes sealing.Meanwhile, knife is provided with mould
The heat transfer of mould to the position of otch is needed, is formed hanging hole, the reinforcement of hanging hole heating rear projection formation melting by tool, cutter
Muscle, effectively prevents hanging hole from tearing.Prior art needs to use current control, and cost is higher, cuts the wearability that metal cuts and needs
Improve, need to change cutter often.
The content of the invention
The invention aims to solve above-mentioned technical problem, and a kind of blood bag process for making blade is provided, so that
Realize Thermal conductivity, homogeneous heating and be easily controlled.In order to achieve the above object, technical solution of the present invention is as follows：
Blood bag process for making blade, comprises the following steps：
S1, using alumina material as base material, adds silica, silicon nitride and graphene, is situated between using absolute ethyl alcohol as scattered
Matter, is mixed and made into suspension；
S2, suspension is poured into and continues drying out 36-45h after ball grinder, ball milling in vacuum drying chamber, keeping temperature 120-
140 DEG C, dried mixed powder is sieved；
S3, powder is poured into the mould for needing to be molded, and using hot pressed sintering mode, 1600-1700 DEG C of sintering temperature is burnt
Knot pressure power 50-55MPa, blade base is obtained after being incubated 40-50min, sintering；
S4, prints the adding thermal resistance being connected with each other by conductive material in the upper and lower part of blade base and electrode draws
Pin, is used as the controller of heating blade base；
S5, is prepared by mixing into slurry by zirconium oxide, aluminum oxide and the rare earth oxide containing titanium valve, slurry is coated on
The top overlay controller of blade base, exposes the knife-edge portion of the bottom of original blade base；
S6, by the way of high temperature co-firing, in high temperature furnace under the protection of nitrogen, carries out sinter molding stage by stage；
S7, grinding and buffing processing is carried out to knife-edge portion.
Specifically, the sintering stage by stage includes first stage sintering, 950-970 DEG C is warming up to, 2-2.2h is incubated；Second
Stage is sintered, and 1600-1640 DEG C is warming up to again, is incubated 4-5.5h；Phase III sinters, and temperature drop is to 1000 DEG C, insulation
30-45min；Fourth stage is sintered, and temperature drop is incubated 1-2h to 880-900 DEG C.
Compared with prior art, blood bag of the present invention is mainly reflected in the beneficial effect of process for making blade：Blade base
Preferable self-lubricating effect is made it have comprising graphene, the edge of a knife is highly polished, be easy to cutting；Set on the top of blade base
Heating controller, in order to reach good hot melt effect, the specially treated suitable for blood bag hanging hole position in knife-edge positions；On blade
Portion and the common sintering processes of bottom, make it is integral sintered coupling part is even closer together, no mark of break, do not influence cutting imitate
Really；The edge of a knife carries out grinding and buffing, makes its sharper gloss, and overall structure has good thermal shock resistance, and the strength of materials is high,
Thermal conductivity is good, and thermal coefficient of expansion is low, homogeneous heating and is easily controlled.
Embodiment
Clear, complete description will be carried out to the technical scheme in the embodiment of the present invention below, it is clear that described implementation
Example only a part of embodiment of the invention, rather than whole embodiments.
Embodiment 1：
The present embodiment is blood bag process for making blade, is comprised the following steps：
S1, using alumina material as base material, add silica, silicon nitride, graphene, using absolute ethyl alcohol be used as it is scattered be situated between
Matter, is mixed and made into suspension.
S2, suspension is poured into and continues drying out 36-45h after ball grinder, ball milling in vacuum drying chamber, keeping temperature 120-
140 DEG C, dried mixed powder is sieved.
S3, powder is poured into the mould for needing to be molded, and using hot pressed sintering mode, 1600-1700 DEG C of sintering temperature is burnt
Knot pressure power 50-55MPa, is incubated 40-50min.Obtain including the blade base of graphene after sintering, blade has preferable lubrication
Effect, not sizing, so as to reduce the friction and wear of tool surface.
S4, prints the adding thermal resistance being connected with each other by conductive material in the upper and lower part of blade base and electrode draws
Pin, is used as the controller of heating blade base.
S5, is prepared by mixing into slurry by zirconium oxide, aluminum oxide and the rare earth oxide containing titanium valve, slurry is coated on
The top overlay controller of blade base, exposes the knife-edge portion of the bottom of original blade base.
S6, by the way of high temperature co-firing, in high temperature furnace, under the protection of nitrogen, carries out sinter molding stage by stage, bag
First stage sintering is included, 950 DEG C are warming up to, 2h is incubated；Second stage is sintered, and 1600 DEG C are warming up to again, is incubated 4h；3rd rank
Section sintering, temperature drop is incubated 30min to 1000 DEG C；Fourth stage is sintered, and temperature drop is incubated 1h to 880 DEG C.On blade
Portion and bottom are sintered jointly, make it have heating effect, and integrally reduce the coefficient of friction of blade after sintering stage by stage, make blade
Surface is more smooth, and cutting effect is good.
S7, grinding and buffing processing is carried out to knife-edge portion.
Embodiment 2：
It is with the distinguishing characteristics part of embodiment 1：S6, by the way of high temperature co-firing, in high temperature furnace, in the guarantor of nitrogen
Under shield, sinter molding stage by stage, including first stage sintering are carried out, 960 DEG C is warming up to, is incubated 2.1h；Second stage is sintered, then
It is secondary to be warming up to 1620 DEG C, it is incubated 5h；Phase III sinters, and temperature drop is incubated 40min to 1000 DEG C；Fourth stage is sintered, temperature
Degree drops to 890 DEG C, is incubated 1.5h.Further feature is identical, is not repeating.
Embodiment 3：
It is with the distinguishing characteristics part of embodiment 1：S6, by the way of high temperature co-firing, in high temperature furnace, in the guarantor of nitrogen
Under shield, sinter molding stage by stage, including first stage sintering are carried out, 970 DEG C is warming up to, is incubated 2.2h；Second stage is sintered, then
It is secondary to be warming up to 1640 DEG C, it is incubated 5.5h；Phase III sinters, and temperature drop is incubated 45min to 1000 DEG C；Fourth stage is sintered,
Temperature drop is incubated 2h to 900 DEG C.Further feature is identical, is not repeating.
During using above the present embodiment, blade base makes it have preferable self-lubricating effect, edge of a knife light comprising graphene
Cleanliness is high, is easy to cutting；Heating controller is set on the top of blade base, in order to reach good hot melt effect in knife-edge positions
Really, the specially treated suitable for blood bag hanging hole position；The common sintering processes of blade upper and lower part, make it is integral sintered together,
Coupling part is even closer, no mark of break, does not influence cutting effect；The edge of a knife carries out grinding and buffing, makes its sharper gloss, whole
Body structure has a good thermal shock resistance, and the strength of materials is high, and thermal conductivity is good, and thermal coefficient of expansion is low, homogeneous heating and is easily controlled.
Above-described is only some embodiments of the present invention.For the person of ordinary skill of the art, not
On the premise of departing from the invention design, various modifications and improvements can be made, these belong to the protection model of the present invention
Enclose.
Claims (2)
1. blood bag process for making blade, it is characterised in that comprise the following steps：
S1, using alumina material as base material, adds silica, silicon nitride and graphene, using absolute ethyl alcohol as decentralized medium, mixes
Suspension is made in conjunction；
S2, suspension is poured into and continues drying out 36-45h after ball grinder, ball milling in vacuum drying chamber, keeping temperature 120-140
DEG C, dried mixed powder is sieved；
S3, powder is poured into the mould for needing to be molded, using hot pressed sintering mode, 1600-1700 DEG C of sintering temperature, sintering pressure
Power 50-55MPa, blade base is obtained after being incubated 40-50min, sintering；
S4, prints the adding thermal resistance being connected with each other and electrode pin by conductive material in the upper and lower part of blade base, makees
To heat the controller of blade base；
S5, is prepared by mixing into slurry by zirconium oxide, aluminum oxide and the rare earth oxide containing titanium valve, slurry is coated on into blade
The top overlay controller of matrix, exposes the knife-edge portion of the bottom of original blade base；
S6, by the way of high temperature co-firing, in high temperature furnace under the protection of nitrogen, carries out sinter molding stage by stage；
S7, grinding and buffing processing is carried out to knife-edge portion.
2. blood bag process for making blade according to claim 1, it is characterised in that：The sintering stage by stage includes first
Stage sinters, and is warming up to 950-970 DEG C, is incubated 2-2.2h；Second stage is sintered, and 1600-1640 DEG C is warming up to again, is incubated 4-
5.5h；Phase III sinters, and temperature drop is incubated 30-45min to 1000 DEG C；Fourth stage is sintered, temperature drop to 880-
900 DEG C, it is incubated 1-2h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710331972.2A CN107262725A (en) | 2017-05-11 | 2017-05-11 | Blood bag process for making blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710331972.2A CN107262725A (en) | 2017-05-11 | 2017-05-11 | Blood bag process for making blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107262725A true CN107262725A (en) | 2017-10-20 |
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ID=60073949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710331972.2A Pending CN107262725A (en) | 2017-05-11 | 2017-05-11 | Blood bag process for making blade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107262725A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040238795A1 (en) * | 2003-06-02 | 2004-12-02 | The Regents Of The University Of California, A California Corporation | Electrically conductive Si-Ti-C-N ceramics |
| CN1649449A (en) * | 2004-01-20 | 2005-08-03 | 珠海粤科清华电子陶瓷有限公司 | High temperature coburning heating element and its producing method |
| CN101001486A (en) * | 2006-12-25 | 2007-07-18 | 杨世养 | Preparation method of ceramic heating core for sensor |
| CN101000320A (en) * | 2006-12-25 | 2007-07-18 | 杨世养 | Chip oxygen sensor and its preparation method |
| CN103044014A (en) * | 2013-01-17 | 2013-04-17 | 山东大学 | Preparation method of graphene-nanosheet-reinforced alumina ceramic |
| CN204184629U (en) * | 2014-09-03 | 2015-03-04 | 山东中保康医疗器具有限公司 | Blood bag solder up mould |
| CN104876611A (en) * | 2015-04-09 | 2015-09-02 | 浙江泰索科技有限公司 | Graphene-reinforced ceramic and preparation method thereof |
| CN205272173U (en) * | 2015-10-20 | 2016-06-01 | 北京拓威能效技术有限公司 | Rubber cutter utensil is shelled in heatable |
| CN106431361A (en) * | 2016-10-31 | 2017-02-22 | 东南大学 | Self-lubricated ceramic cutter material added with alumina coated graphene |
-
2017
- 2017-05-11 CN CN201710331972.2A patent/CN107262725A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040238795A1 (en) * | 2003-06-02 | 2004-12-02 | The Regents Of The University Of California, A California Corporation | Electrically conductive Si-Ti-C-N ceramics |
| CN1649449A (en) * | 2004-01-20 | 2005-08-03 | 珠海粤科清华电子陶瓷有限公司 | High temperature coburning heating element and its producing method |
| CN101001486A (en) * | 2006-12-25 | 2007-07-18 | 杨世养 | Preparation method of ceramic heating core for sensor |
| CN101000320A (en) * | 2006-12-25 | 2007-07-18 | 杨世养 | Chip oxygen sensor and its preparation method |
| CN103044014A (en) * | 2013-01-17 | 2013-04-17 | 山东大学 | Preparation method of graphene-nanosheet-reinforced alumina ceramic |
| CN204184629U (en) * | 2014-09-03 | 2015-03-04 | 山东中保康医疗器具有限公司 | Blood bag solder up mould |
| CN104876611A (en) * | 2015-04-09 | 2015-09-02 | 浙江泰索科技有限公司 | Graphene-reinforced ceramic and preparation method thereof |
| CN205272173U (en) * | 2015-10-20 | 2016-06-01 | 北京拓威能效技术有限公司 | Rubber cutter utensil is shelled in heatable |
| CN106431361A (en) * | 2016-10-31 | 2017-02-22 | 东南大学 | Self-lubricated ceramic cutter material added with alumina coated graphene |
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Application publication date: 20171020 |