CN107496050B - A kind of amorphous alloy intravascular stent manufacturing equipment - Google Patents
A kind of amorphous alloy intravascular stent manufacturing equipment Download PDFInfo
- Publication number
- CN107496050B CN107496050B CN201710557704.2A CN201710557704A CN107496050B CN 107496050 B CN107496050 B CN 107496050B CN 201710557704 A CN201710557704 A CN 201710557704A CN 107496050 B CN107496050 B CN 107496050B
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- mold
- pedestal
- symmetrical
- melting furnace
- high pressure
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/04—Hollow or tubular parts of organs, e.g. bladders, tracheae, bronchi or bile ducts
- A61F2/06—Blood vessels
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2240/00—Manufacturing or designing of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2240/001—Designing or manufacturing processes
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- Health & Medical Sciences (AREA)
- Gastroenterology & Hepatology (AREA)
- Pulmonology (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Prostheses (AREA)
Abstract
The invention discloses a kind of amorphous alloy intravascular stent manufacturing equipments, including pedestal, the eccentric position of the pedestal is equipped with equidistant angularly symmetrical six groups or more fixation holes, the upside of the pedestal is equipped with two groups of symmetrical support plates, the side of the support plate is equipped with PLC controller, the support plate is equipped with top plate far from the side of pedestal, the type electric melting furnace is equipped with fixed frame close to the side of pedestal, the fixed frame is connect by bolt with pedestal, the discharge hole of the type electric melting furnace is connected with one end of conveying pipeline, pass through the first mold, second mold and discharge hole are unlikely to deform the filament drawn, high production efficiency, the elasticity and chemical stability manufactured can achieve expected requirement, it is structurally reasonable, rapid cooling device is located at the first mold and cooling uniform rapid cooling may be implemented in the middle position of the second mold , obtain preferable product quality.
Description
Technical field
The present invention relates to amorphous alloy intravascular stent manufacturing equipment technical field, specially a kind of amorphous alloy intravascular stent
Manufacturing equipment.
Background technique
Amorphous metal is referred to as liquid metals or glass metal, is the metal liquid in molten condition in very fast cooling shape
Under condition, atom in metal liquid because have little time it is mobile form ordered lattice solid be just frozen into disordered state, which answers
With with novel vascular stent have preferable bioaffinity, be used for a long time do not have to replacement, avoid perform the operation again to patient with
The pain come, if the patent of 201520661985 .2 of application publication number discloses a kind of amorphous alloy intravascular stent manufacturing equipment,
Fast cooling shaping method is squeezed out using high pressure, manufactures the blood vessel with excellent elasticity, chemical stability and bioaffinity
The technical solution of bracket, but the above patent is in use, the filament of drawing easily deforms, and product quality is caused not conform to
Lattice, production efficiency is not high, complicated for operation, unreasonable structure, state labile when cooling, takes out replacement and is not easy.
We provide a kind of amorphous alloy intravascular stent manufacturing equipments thus.
Summary of the invention
The technical problem to be solved by the present invention is to overcome the existing defects, provides a kind of manufacture of amorphous alloy intravascular stent and sets
Standby, the filament of drawing is unlikely to deform, high production efficiency, and the elasticity and chemical stability manufactured can achieve expected requirement,
It is structurally reasonable, cooling uniform rapid cooling may be implemented, can effectively solve the problems in background technique.
To achieve the above object, the invention provides the following technical scheme: a kind of amorphous alloy intravascular stent manufacturing equipment, packet
Include pedestal, the eccentric position of the pedestal is equipped with equidistant angularly symmetrical six groups or more fixation holes, the pedestal it is upper
Side is equipped with two groups of symmetrical support plates, and the side of the support plate is equipped with PLC controller, and the support plate is far from pedestal
Side is equipped with top plate, and the top plate is connect by hexagon socket head cap screw with support plate, and the upside of the top plate is equipped with material storing box, described
The inner bottom surface of material storing box is connected with one end of conveying pipeline, and the other end of the conveying pipeline sequentially passes through material storing box and top plate and company
It is connected to type electric melting furnace, the type electric melting furnace is equipped with fixed frame close to the side of pedestal, and the fixed frame is connected by bolt and pedestal
It connecing, the discharge hole of the type electric melting furnace is connected with one end of conveying pipeline, and the other end of the conveying pipeline is connected with high pressure extruder,
The discharge hole of the high pressure extruder is connected with one end of discharge nozzle, and the pedestal is equipped with support close to the side of high pressure extruder
Seat, the output end of the PLC controller are electrically connected the input terminal of type electric melting furnace and high pressure extruder.
As a preferred technical solution of the present invention, the upside of the material storing box is equipped with cover board, and the cover board is far from storage
The side of hopper is equipped with handle.
As a preferred technical solution of the present invention, the high pressure extruder is equipped with sealing close to the side of discharge nozzle
Circle.
As a preferred technical solution of the present invention, it is convex that the upside of the support base is equipped with two groups of symmetrical fixations
The middle position of platform, the fixing lug boss is equipped with symmetrical the first mold and the second mold, first mold and second
Mold is equipped with through slot close to the side of discharge nozzle, and the discharge nozzle is connected with the first mold and the second mold respectively by through slot
It connects, the fixing lug boss is respectively connected with one end of electric telescopic rod close to the side of the first mold and the second mold, described electronic
The other end of telescopic rod is connect with the first mold and the second mold respectively, and the output end electrical connection of the PLC controller is electronic to stretch
The input terminal of contracting bar.
It is equipped with as a preferred technical solution of the present invention, in the through slot between first mold and the second mold anxious
Fast cooler, one end of the rapid cooling device are equipped with baffle, and the inside two sides of first mold and the second mold are equipped with pair
Claim two groups of discharge holes of distribution, the input terminal of the output end electrical connection rapid cooling device of the PLC controller.
Compared with prior art, the beneficial effects of the present invention are: making to draw by the first mold, the second mold and discharge hole
Filament be unlikely to deform, high production efficiency, the elasticity and chemical stability manufactured can achieve expected requirement, and structure is closed
Reason, rapid cooling device is located at the first mold and cooling uniform rapid cooling may be implemented in the middle position of the second mold, obtains
Preferable product quality.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is side structure schematic diagram of the present invention.
In figure: 1 pedestal, 2 PLC controllers, 3 type electric melting furnaces, 4 high pressure extruders, 5 first molds, 6 fixation holes, 7 second
Mold, 8 cover boards, 9 support plates, 10 top plates, 11 handles, 12 material storing box, 13 sealing rings, 14 electric telescopic rods, 15 rapid cooling devices,
16 discharge holes, 17 baffles, 18 support bases, 19 fixing lug boss, 20 discharge nozzles, 21 conveying pipelines.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The present invention provides a kind of technical solution referring to FIG. 1-2: a kind of amorphous alloy intravascular stent manufacturing equipment, including
Pedestal 1, the eccentric position of pedestal 1 are equipped with equidistant angularly symmetrical six groups or more fixation holes 6, and the upside of pedestal 1 is equipped with
The side of two groups of symmetrical support plates 9, support plate 9 is equipped with PLC controller 2, and support plate 9 is equipped with far from the side of pedestal 1
Top plate 10, top plate 10 are connect by hexagon socket head cap screw with support plate 9, and the upside of top plate 10 is equipped with material storing box 12, for storing original
Material, the upside of material storing box 12 are equipped with cover board 8, and cover board 8 is equipped with handle 11, the inner bottom of material storing box 12 far from the side of material storing box 12
Face is connected with one end of conveying pipeline 21, and the other end of conveying pipeline 21 sequentially passes through material storing box 12 and top plate 10 and is connected with electrofusion
Furnace 3, type electric melting furnace 3 are equipped with fixed frame, for type electric melting furnace 3 to be fixedly connected with pedestal 1, fixed frame close to the side of pedestal 1
It is connect by bolt with pedestal 1, the discharge hole of type electric melting furnace 3 is connected with one end of conveying pipeline 21, and the other end of conveying pipeline 21 connects
It is connected to high pressure extruder 4, the discharge hole of high pressure extruder 4 is connected with one end of discharge nozzle 20, and high pressure extruder 4 is close to discharge nozzle
20 side is equipped with sealing ring 13, and for the sealing of junction, pedestal 1 is equipped with support base 18 close to the side of high pressure extruder 4,
The upside of support base 18 is equipped with two groups of symmetrical fixing lug boss 19, and the middle position of fixing lug boss 19 is equipped with symmetrical
First mold 5 and the second mold 7, the first mold 5 and the second mold 7 are equipped with through slot, discharge nozzle close to the side of discharge nozzle 20
20 are connect respectively by through slot with the first mold 5 and the second mold 7, and fixing lug boss 19 is close to the first mold 5 and the second mold 7
Side is respectively connected with one end of electric telescopic rod 14, the other end of electric telescopic rod 14 respectively with the first mold 5 and the second mold 7
Connection, the through slot between the first mold 5 and the second mold 7 is interior equipped with rapid cooling device 15, for carrying out to amorphous alloy material
Cooling, one end of rapid cooling device 15 is equipped with baffle 17, and the inside two sides of the first mold 5 and the second mold 7 are equipped with symmetrical
Two groups of discharge holes 16, it is cooling after amorphous alloy discharge port, the output end electrical connection rapid cooling device 15 of PLC controller 2
Input terminal, the input terminal of the output end electrical connection electric telescopic rod 14 of PLC controller 2, the output end of PLC controller 2 are electric respectively
Connect the input terminal of type electric melting furnace 3 and high pressure extruder 4.
PLC controller 2 controls type electric melting furnace 3, high pressure extruder 4, the mode of electric telescopic rod 14 and rapid cooling device 15
Using the prior art.
When in use: the fixation hole 6 that 1 eccentric position of pedestal is equipped with is bolted with horizontal bottom, it then will be former
Material is stored in material storing box 12, and the raw material in material storing box 12 is entered in type electric melting furnace 3 by conveying pipeline 21, passes through PLC controller 2
Type electric melting furnace 3 is opened in control, is carried out high temperature melt to the raw material in furnace, is entered in high pressure extruder 4 after thawing, controlled by PLC
High pressure extruder 4 is opened in device 2 processed control, and high pressure extruder 4 squeezes out the raw material after heating and melting by discharge nozzle 20, into the
In the mold slots of one mold 5 and the second mold 7, rapid cooling device 15 is opened by the control of PLC controller 2 at this time, raw material is carried out
Then rapid cooling is come out by discharge hole 16, can be controlled by PLC controller 2 and open electric telescopic rod 14, electronic to stretch
Contracting bar 14 pushes the first mold 5 and the separation of the second mold 7 of connection, can be used for the taking-up and cleaning of rapid cooling device 15.
The present invention is unlikely to deform the filament drawn by the first mold 5, the second mold 7 and discharge hole 16, production efficiency
Height, the elasticity and chemical stability manufactured can achieve expected requirement, and structurally reasonable, rapid cooling device 15 is located at the first mould
Cooling uniform rapid cooling may be implemented in the middle position of tool 5 and the second mold 7, obtains preferable product quality.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (3)
1. a kind of amorphous alloy intravascular stent manufacturing equipment, including pedestal (1), it is characterised in that: the eccentric position of the pedestal (1)
Equidistant angularly symmetrical six groups or more fixation holes (6) are installed, the upside of the pedestal (1) is equipped with symmetrical two
The side of group support plate (9), the support plate (9) is equipped with PLC controller (2), and the one of the support plate (9) separate pedestal (1)
Side is equipped with top plate (10), and the top plate (10) is connect by hexagon socket head cap screw with support plate (9), sets on the upside of the top plate (10)
Have material storing box (12), the inner bottom surface of the material storing box (12) is connected with one end of conveying pipeline (21), the conveying pipeline (21)
The other end sequentially passes through material storing box (12) and top plate (10) and is connected with type electric melting furnace (3), and the type electric melting furnace (3) is close to pedestal
(1) side is equipped with fixed frame, and the fixed frame is connect by bolt with pedestal (1), and the discharge hole of the type electric melting furnace (3) connects
It is connected to one end of conveying pipeline (21), the other end of the conveying pipeline (21) is connected with high pressure extruder (4), the high pressure extruder
(4) discharge hole is connected with one end of discharge nozzle (20), and the pedestal (1) is equipped with support close to the side of high pressure extruder (4)
Seat (18), the output end of the PLC controller (2) are electrically connected the input terminal of type electric melting furnace (3) and high pressure extruder (4)；
The upside of the support base (18) is equipped with two groups of symmetrical fixing lug boss (19), the middle position of the fixing lug boss (19)
Equipped with symmetrical the first mold (5) and the second mold (7), first mold (5) and the second mold (7) are close to discharge nozzle
(20) side is equipped with through slot, and the discharge nozzle (20) is connected with the first mold (5) and the second mold (7) respectively by through slot
It connects, the fixing lug boss (19) is respectively connected with electric telescopic rod (14) close to the side of the first mold (5) and the second mold (7)
The other end of one end, the electric telescopic rod (14) is connect with the first mold (5) and the second mold (7) respectively, the PLC control
The input terminal of output end electrical connection electric telescopic rod (14) of device (2)；Between first mold (5) and the second mold (7)
Rapid cooling device (15) are equipped in through slot, one end of the rapid cooling device (15) is equipped with baffle (17), first mold (5)
Two groups of symmetrical discharge holes (16), the output end of the PLC controller (2) are equipped with the inside two sides of the second mold (7)
It is electrically connected the input terminal of rapid cooling device (15).
2. a kind of amorphous alloy intravascular stent manufacturing equipment according to claim 1, it is characterised in that: the material storing box
(12) upside is equipped with cover board (8), and the cover board (8) is equipped with handle (11) far from the side of material storing box (12).
3. a kind of amorphous alloy intravascular stent manufacturing equipment according to claim 1, it is characterised in that: the high pressure squeezes out
Machine (4) is equipped with sealing ring (13) close to the side of discharge nozzle (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710557704.2A CN107496050B (en) | 2017-07-10 | 2017-07-10 | A kind of amorphous alloy intravascular stent manufacturing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710557704.2A CN107496050B (en) | 2017-07-10 | 2017-07-10 | A kind of amorphous alloy intravascular stent manufacturing equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107496050A CN107496050A (en) | 2017-12-22 |
| CN107496050B true CN107496050B (en) | 2019-08-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710557704.2A Active CN107496050B (en) | 2017-07-10 | 2017-07-10 | A kind of amorphous alloy intravascular stent manufacturing equipment |
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| CN (1) | CN107496050B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112522496B (en) * | 2020-12-07 | 2021-07-23 | 北京泰杰伟业科技有限公司 | Heat treatment clamp for vascular stent prefabrication molding |
| CN116689712A (en) * | 2023-03-27 | 2023-09-05 | 盐城东皇铸造有限公司 | Anchor chain casting mold and use method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5213148A (en) * | 1990-03-02 | 1993-05-25 | Tsuyoshi Masumoto | Production process of solidified amorphous alloy material |
| CN1350897A (en) * | 2001-07-06 | 2002-05-29 | 广东南方特种铜材有限公司 | Technology for conticasting pipe blank by up-drawing copper alloy |
| CN2889552Y (en) * | 2006-02-24 | 2007-04-18 | 山东理工大学 | Continuous preparation device for big block amorphous alloy |
| CN101024243A (en) * | 2006-02-24 | 2007-08-29 | 山东理工大学 | Heat type continuous casting method for making large-cube non-crystal alloy and apparatus thereof |
| CN103878329A (en) * | 2014-02-19 | 2014-06-25 | 安泰科技股份有限公司 | Nozzle heating device, temperature control system and method for manufacturing of amorphous strips |
| CN105033203A (en) * | 2015-06-26 | 2015-11-11 | 苏州洲盛非晶科技有限公司 | Control device of non-crystalloid flimsy alloy machine |
| CN205571368U (en) * | 2015-08-24 | 2016-09-14 | 刘南林 | Metallic glass blood vessel support manufacture equipment |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6749700B2 (en) * | 2001-02-14 | 2004-06-15 | Hitachi Metals Ltd. | Method for producing amorphous alloy ribbon, and method for producing nano-crystalline alloy ribbon with same |
-
2017
- 2017-07-10 CN CN201710557704.2A patent/CN107496050B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5213148A (en) * | 1990-03-02 | 1993-05-25 | Tsuyoshi Masumoto | Production process of solidified amorphous alloy material |
| CN1350897A (en) * | 2001-07-06 | 2002-05-29 | 广东南方特种铜材有限公司 | Technology for conticasting pipe blank by up-drawing copper alloy |
| CN2889552Y (en) * | 2006-02-24 | 2007-04-18 | 山东理工大学 | Continuous preparation device for big block amorphous alloy |
| CN101024243A (en) * | 2006-02-24 | 2007-08-29 | 山东理工大学 | Heat type continuous casting method for making large-cube non-crystal alloy and apparatus thereof |
| CN103878329A (en) * | 2014-02-19 | 2014-06-25 | 安泰科技股份有限公司 | Nozzle heating device, temperature control system and method for manufacturing of amorphous strips |
| CN105033203A (en) * | 2015-06-26 | 2015-11-11 | 苏州洲盛非晶科技有限公司 | Control device of non-crystalloid flimsy alloy machine |
| CN205571368U (en) * | 2015-08-24 | 2016-09-14 | 刘南林 | Metallic glass blood vessel support manufacture equipment |
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| CN107496050A (en) | 2017-12-22 |
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| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Meng Qingyan Inventor after: Wu Di Inventor before: Wu Di |
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| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20190724 Address after: 252000 Department of Cardiovascular Medicine, Dongchangfu People's Hospital, 128 Songgui Road, Fenghuang Street, Dongchangfu District, Liaocheng City, Shandong Province Applicant after: Meng Qingyan Address before: 461100 Huxu Village, Jiangguanchi Town, Xuchang County, Xuchang City, Henan Province Applicant before: Xuchang Jin Rong Food Co., Ltd. |
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Effective date of registration: 20220114 Address after: 264200 No. 21, Xingshan Road, chucun Town, torch high tech Industrial Development Zone, Weihai City, Shandong Province Patentee after: Shandong Weixin Medical Equipment Co.,Ltd. Address before: 252000 Department of Cardiology, Dongchangfu people's Hospital, 128 Songgui Road, Fenghuang street, Dongchangfu District, Liaocheng City, Shandong Province Patentee before: Meng Qingyan |