CN210082350U - Forming equipment for medical reinforced catheter - Google Patents
Forming equipment for medical reinforced catheter Download PDFInfo
- Publication number
- CN210082350U CN210082350U CN201920583023.8U CN201920583023U CN210082350U CN 210082350 U CN210082350 U CN 210082350U CN 201920583023 U CN201920583023 U CN 201920583023U CN 210082350 U CN210082350 U CN 210082350U
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- extruder
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- ring layer
- core strip
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Abstract
The utility model relates to the technical field of medical apparatus, in particular to a forming device of a medical reinforced catheter, which comprises a first extruder, a spring winding machine, a second extruder and a tractor which are arranged in sequence according to the conveying direction of a core strip and are mutually independent; the first extruder comprises a first channel and a first cavity which are arranged along the conveying direction of the core strip, the first channel penetrates through the first cavity, and the first extruder is used for forming an inner ring layer; the spring winding machine is used for winding the spring on the outer side of the inner ring layer to form an elastic part, the second extruder is provided with a second channel and a second cavity which are arranged along the conveying direction of the core strip, and the second channel penetrates through the second cavity; the second extruder is used for forming the outer ring layer, and through setting up first extruder, around spring machine, second extruder and tractor, under the effect of tractor for the core strip forms inner ring layer, elasticity portion and outer ring layer in proper order along rectilinear movement, finally forms medical enhancement pipe, satisfies high accuracy, high malleability, high compliance's operation requirement.
Description
Technical Field
The utility model relates to the technical field of medical equipment, especially, relate to a medical former of strengthening pipe.
Background
The medical reinforced catheter plays a key role in the operation, the circumference specification of the medical reinforced catheter is generally in the range of 8mm-24mm, the medical reinforced catheter needs to have the characteristics of high precision, high toughness and high softness to meet the operation requirement, but the traditional production method for the medical reinforced catheter with high precision, high flexibility and high softness has the disadvantages of high manufacturing cost, high production difficulty, low production qualified rate and high cost of operation consumables.
Disclosure of Invention
In order to overcome the shortcoming that the medical reinforced catheter that exists among the prior art is high in production cost, the utility model aims to provide a medical reinforced catheter's former improves medical reinforced catheter qualification rate, reduction in production cost.
In order to achieve the above purpose, the technical scheme of the utility model is that:
the forming equipment for the medical reinforced catheter comprises a first extruder, a spring winding machine, a second extruder and a tractor, wherein the first extruder, the spring winding machine, the second extruder and the tractor are sequentially arranged in the conveying direction of a core strip and are mutually independent;
the first extruder comprises a first channel and a first cavity, the first channel extends along the conveying direction of the core strip, the first channel penetrates through the first cavity, the external core strip penetrates through the first channel, and the external high polymer material enters the first cavity and covers the outer side of the core strip to form an inner ring layer;
the spring coiling machine is used for coiling an external spring outside the inner ring layer to form a plurality of elastic parts, and two adjacent elastic parts are arranged at intervals;
the second extruder is provided with a second channel and a second cavity, the second channel extends along the conveying direction of the core strip, the second channel penetrates through the second cavity, the external core strip, the inner ring layer and the elastic part penetrate through the second channel, and the external high polymer material enters the second cavity and covers the inner ring layer and the elastic part to form an outer ring layer so as to form the medical reinforced catheter;
the tractor is used for dragging the medical reinforced catheter.
Further, still including locating first extruder with first design machine between the coiling machine, first design machine is equipped with first cooling channel and the first cooler of a plurality of, first cooling channel extends the setting along the direction of delivery of core strip, and first cooling channel is located to the first cooler of a plurality of, and when the inner ring layer passed first cooling channel, the first cooler of a plurality of cooled off the design to the inner ring layer.
Further, the heating device comprises a heating assembly arranged at a feeding hole of the second extruder, and the heating assembly is used for heating the inner ring layer.
Further, the heating assembly comprises a heat conduction pipe and a temperature controller, the heat conduction pipe is detachably connected to the second extruder, and the temperature controller is electrically connected with the heat conduction pipe.
Further, still including locating second extruder with second forming machine between the tractor, the second forming machine is equipped with second cooling channel and a plurality of second cooler, second cooling channel extends the setting along the direction of delivery of core strip, and the second cooling channel is located to a plurality of second cooler, and when the outer loop layer passed second cooling channel, a plurality of second cooler cooled the design to the outer loop layer.
The utility model has the advantages that: through setting up first extruder, around spring machine, second extruder and tractor, under the pulling effect of tractor for the core strip is along rectilinear movement, and the core strip is formed with interior annular layer, elasticity portion and outer annular layer by the cladding in proper order at the traction in-process, finally forms medical enhancement pipe, satisfies high accuracy, high malleability, high compliance's operation requirement.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
The reference numerals include:
1-first extruder 11-first channel 12-first cavity
2-first shaping machine 21-first cooling channel 22-first cooler
3-spring winding machine 4-heating component 41-heat conduction pipe
42 temperature controller 5 second extruder 51 second channel
52-second cavity 6-second forming machine 61-second cooling channel
62-second cooler 7-tractor 900-core bar
901-inner ring layer 902-elastic 903-outer ring layer.
Detailed Description
In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and accompanying drawings, which are not intended to limit the present invention.
Referring to fig. 1, the forming apparatus for medical reinforced catheter of the present invention comprises a first extruder 1, a spring winding machine 3, a second extruder 5 and a tractor 7, wherein the first extruder 1, the spring winding machine 3, the second extruder 5 and the tractor 7 are sequentially arranged in the conveying direction of the core strip 900 and are independent of each other;
the first extruder 1 comprises a first channel 11 and a first cavity 12, the first channel 11 extends along the conveying direction of the core strip 900, the first channel 11 penetrates through the first cavity 12, the external core strip 900 penetrates through the first channel 11, and the external high polymer material enters the first cavity 12 and covers the outer side of the core strip 900 to form an inner ring layer 901;
the spring coiling machine 3 winds an external spring on the inner ring layer 901 to form a plurality of elastic parts 902, and two adjacent elastic parts 902 are arranged at intervals;
the second extruder 5 is provided with a second channel 51 and a second cavity 52, the second channel 51 extends along the conveying direction of the core strip 900, the second channel 51 penetrates through the second cavity 52, the outside core strip 900, the inner ring layer 901 and the elastic part 902 penetrate through the second channel 51, and outside high polymer materials enter the second cavity 52 and cover the inner ring layer 901 and the elastic part 902 to form an outer ring layer 903 so as to form the medical reinforced conduit;
the tractor 7 is used for dragging the medical reinforced catheter to move.
Specifically, in this embodiment, the circumference of the molding core bar 900 is in a range of 4 to 70mm, a round bar with a circumference of 8 to 48mm is preferably used, preferably, the core bar 900 is a round bar with a circumference of 36mm, the core bar 900 sequentially passes through the first extruder 1, the spring winding machine 3, the second extruder 5 and the tractor 7, the core bar 900 is pulled to move along a straight line under the action of the tractor 7, the first extruder 1 is provided with a feeding channel (not shown) and a first cavity 12 communicated with the feeding channel, the first cavity 12 is cylindrical, the wall thickness of the first cavity 12 is in a range of 0.15 to 1.5mm, preferably, the wall thickness of the first cavity 12 is 0.3mm, external polymer material TPU or PE or PVC or PA flows into the first cavity 12 through the feeding channel, when the core bar 900 passes through the first cavity 12, the polymer material TPU or PE or PA or PVC coats the outer wall of the core bar 900 to form an inner ring layer 901, when the inner ring layer 901 moves to the spring coiling machine 3, according to the production requirement, a circular spring or a flat spring is coiled on the outer side wall of the inner ring layer 901 to form an elastic part 902, the spring is tightly wrapped on the outer wall of the inner ring layer 901, the elastic part 902 is in a plurality of sections, the length of each section of the elastic part 902 is 10-900mm, according to the requirement, elastic parts 902 with different length sections are coiled, when the elastic part 902 and the inner ring layer 901 reach the second extruder 5, the second extruder 5 is provided with a feeding channel (not shown) and a second cavity 52, the second cavity 52 is cylindrical, the wall thickness of the second cavity 52 is 0.15-1.5mm, preferably, the wall thickness of the second cavity 52 is processed to be 0.3mm, the external high polymer material TPU or PE or PVC or PA flows into the second cavity 52 through the feeding channel, the elastic part 902 and the inner ring layer 901 pass through the second cavity 52, the high polymer material TPU or PE or PVC or PA elastic part and the outer wall of the inner ring layer 902 form an outer ring layer 903, thereby obtaining the formed medical reinforced catheter.
Through setting up first extruder 1, around spring machine 3, second extruder 5 and tractor 7, under the pulling effect of tractor 7 for core strip 900 is along rectilinear movement, and core strip 900 is formed with inner ring layer 901, elastic component 902 and outer ring layer 903 by the cladding in proper order at the traction in-process, finally forms medical enhancement pipe, satisfies high accuracy, high malleability, high compliance's operation requirement.
The cooling device is characterized by further comprising a first shaping machine 2 arranged between the first extruder 1 and the spring winding machine 3, wherein the first shaping machine 2 is provided with a first cooling channel 21 and a plurality of first coolers 22, the first cooling channel 21 extends along the conveying direction of the core strip 900, the plurality of first coolers 22 are arranged in the first cooling channel 21, when the inner ring layer 901 penetrates through the first cooling channel 21, the inner ring layer 901 is cooled and shaped by the plurality of first coolers 22, four rows of first coolers 22 are arranged on the inner wall of the first cooling channel 21, each row is provided with the plurality of first coolers 22, and the first coolers 22 convey cold air, so that the first cooling channel 21 is cooled rapidly, cooling of the inner ring layer 901 is accelerated, rapid cooling and shaping are achieved, and production efficiency is improved.
The heating device further comprises a heating assembly 4 arranged at a feeding hole of the second extruder 5, and the heating assembly 4 is used for heating the inner ring layer 901.
The heating component 4 comprises a heat conduction pipe 41 and a temperature controller 42, the heat conduction pipe 41 is detachably connected to the second extruder 5, the temperature controller 42 is electrically connected with the heat conduction pipe 41, the heat conduction pipe 41 is annular and is detachably connected to a feed inlet of the second extruder 5, the surface layer of the inner ring layer 901 is uniformly heated by the heat conduction pipe 41, the inner ring layer 901 is in a softened state, the combination of the outer ring layer 903 formed by the second extruder 5 and the inner ring layer 901 is accelerated, the integrity and firmness of the medical reinforced pipe are improved, the heat energy released by the heat conduction pipe 41 is controlled through the temperature controller 42, the controllability of production parameters is realized, and the qualification rate is improved.
The second extruder 5 and the second forming machine 6 between the tractors 7 are further included, the second forming machine 6 is provided with a second cooling channel 61 and a plurality of second coolers 62, the second cooling channel 61 extends along the conveying direction of the core strips 900, the plurality of second coolers 62 are arranged on the second cooling channel 61, when the outer ring layer 903 passes through the second cooling channel 61, the plurality of second coolers 62 cool and form the outer ring layer 903, four rows of second coolers 62 are arranged on the inner wall of the second cooling channel 61, each row of second coolers 62 is provided with the plurality of second coolers 62, and the second coolers 62 convey cold air to cool the outer ring layer 903 in an accelerating manner, so that the outer ring layer 903 is rapidly formed, and the production efficiency is improved.
The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.
Claims (5)
1. A molding equipment for medical reinforced catheters is characterized in that: the spring coiling machine comprises a first extruder (1), a spring coiling machine (3), a second extruder (5) and a traction machine (7), wherein the first extruder (1), the spring coiling machine (3), the second extruder (5) and the traction machine (7) are sequentially arranged in the conveying direction of a core strip (900) and are mutually independent;
the first extruder (1) comprises a first channel (11) and a first cavity (12), the first channel (11) extends along the conveying direction of the core strip (900), the first channel (11) penetrates through the first cavity (12), the external core strip (900) penetrates through the first channel (11), and the external high polymer material enters the first cavity (12) and covers the outer side of the core strip (900) to form an inner ring layer (901);
the spring winding machine (3) winds an external spring outside the inner ring layer (901) to form a plurality of elastic parts (902), and two adjacent elastic parts (902) are arranged at intervals;
the second extruder (5) is provided with a second channel (51) and a second cavity (52), the second channel (51) extends along the conveying direction of the core strip (900), the second channel (51) penetrates through the second cavity (52), the external core strip (900), the inner ring layer (901) and the elastic part (902) penetrate through the second channel (51), and the external high polymer material enters the second cavity (52) and covers the inner ring layer (901) and the elastic part (902) to form an outer ring layer (903) so as to form a medical reinforced catheter;
the tractor (7) is used for dragging the medical reinforced catheter.
2. The apparatus for forming a medical reinforced catheter as set forth in claim 1, wherein: still including locating first extruder (1) with first model machine (2) between spring machine (3), first model machine (2) are equipped with first cooling channel (21) and a plurality of first cooler (22), first cooling channel (21) extend the setting along the direction of delivery of core strip (900), and first cooling channel (21) are located in a plurality of first cooler (22), and when interior loop layer (901) passed first cooling channel (21), a plurality of first cooler (22) cooled off the design to interior loop layer (901).
3. The apparatus for forming a medical reinforced catheter as set forth in claim 1, wherein: the heating device is characterized by further comprising a heating assembly (4) arranged at a feeding hole of the second extruder (5), wherein the heating assembly (4) is used for heating the inner ring layer (901).
4. The apparatus for forming a medical reinforced catheter of claim 3, wherein: the heating assembly (4) comprises a heat conduction pipe (41) and a temperature controller (42), the heat conduction pipe (41) is detachably connected to the second extruder (5), and the temperature controller (42) is electrically connected with the heat conduction pipe (41).
5. The apparatus for forming a medical reinforced catheter as set forth in claim 1, wherein: still including locating second extruder (5) with second forming machine (6) between tractor (7), second forming machine (6) are equipped with second cooling channel (61) and a plurality of second cooler (62), second cooling channel (61) extend the setting along the direction of delivery of core strip (900), and second cooling channel (61) are located in a plurality of second cooler (62), and when outer loop layer (903) passed second cooling channel (61), a plurality of second cooler (62) cooled off the design to outer loop layer (903).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920583023.8U CN210082350U (en) | 2019-04-25 | 2019-04-25 | Forming equipment for medical reinforced catheter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920583023.8U CN210082350U (en) | 2019-04-25 | 2019-04-25 | Forming equipment for medical reinforced catheter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210082350U true CN210082350U (en) | 2020-02-18 |
Family
ID=69475936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920583023.8U Expired - Fee Related CN210082350U (en) | 2019-04-25 | 2019-04-25 | Forming equipment for medical reinforced catheter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210082350U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110053233A (en) * | 2019-04-25 | 2019-07-26 | 东莞市世和塑胶五金有限公司 | A kind of medical molding equipment and its forming method for reinforcing conduit |
-
2019
- 2019-04-25 CN CN201920583023.8U patent/CN210082350U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110053233A (en) * | 2019-04-25 | 2019-07-26 | 东莞市世和塑胶五金有限公司 | A kind of medical molding equipment and its forming method for reinforcing conduit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200218 |