CN211105501U - Forming head of infusion catheter extrusion forming equipment - Google Patents
Forming head of infusion catheter extrusion forming equipment Download PDFInfo
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- CN211105501U CN211105501U CN201921475865.8U CN201921475865U CN211105501U CN 211105501 U CN211105501 U CN 211105501U CN 201921475865 U CN201921475865 U CN 201921475865U CN 211105501 U CN211105501 U CN 211105501U
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Abstract
The utility model discloses a forming head of infusion pipe extrusion equipment, including forming die and coating mechanism, coating mechanism is connected with the forming die discharge gate, coating mechanism is equipped with the pipe passageway that link up, forming die includes extrusion pipe and forming tube, the one end that coating mechanism is close to forming die is equipped with annular solution chamber, the solution chamber encircles the pipe passageway setting to inside is equipped with the cooling water, the solution chamber is equipped with cooling water inlet and cooling water outlet, the one end that coating mechanism kept away from forming die is equipped with the coating chamber, coating chamber intercommunication pipe passageway, the coating intracavity is equipped with annular coating brush, annular coating chamber is connected in the coating brush outside, the coating chamber is equipped with the feed inlet. The utility model discloses an add coating mechanism at moulded die head tip, coating shading paint on the infusion pipe outer wall after extrusion, be equipped with the cooling water solution chamber simultaneously, make the infusion pipe can cool off the design fast.
Description
Technical Field
The utility model relates to an infusion pipe production facility technical field specifically is an infusion pipe extrusion equipment's shaping head.
Background
The extrusion molding is a molding processing method with high efficiency, continuity, low cost and wide application range, is also called extrusion molding in plastic processing, and refers to a processing method that materials are heated and plasticized by the action of a charging barrel and a screw rod of an extruder, are pushed forwards by the screw rod while being heated and continuously pass through a machine head to be made into products or semi-products with various sections, and an infusion catheter is produced in batches by adopting an extrusion molding mode.
Some medicines require light-proof injection in the clinical infusion process, because the medicines contain substances which are easily decomposed by visible light, if the light-proof is not noticed, the medicines can lose efficacy, when medical workers infuse the medicines which need to be protected from light, if no special infusion tool is arranged at the hand, a black plastic bag or black cloth can be used for wrapping an infusion bottle and an infusion tube, and if the condition is met, the light-proof infusion tube can be used.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a shaping head of infusion pipe extrusion equipment to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a forming head of an infusion catheter extrusion forming device comprises: forming die head and coating mechanism, coating mechanism is connected with the forming die head discharge gate, coating mechanism is equipped with the pipe passageway that link up, forming die head is including extrusion pipe and forming tube, the forming tube is located the inside cavity of extrusion pipe, the one end that coating mechanism is close to forming die head is equipped with annular solution chamber, the solution chamber encircles the pipe passageway setting to inside is equipped with the cooling water, the solution chamber is equipped with cooling water inlet and cooling water outlet, the one end that coating mechanism kept away from forming die head is equipped with the coating chamber, coating chamber intercommunication pipe passageway, be equipped with annular coating brush in the coating chamber, annular coating chamber is connected in the coating brush outside, the coating chamber is equipped with the feed inlet.
As a further aspect of the present invention: and a plurality of through holes are distributed on the side wall of the coating cavity connected with the coating brush in an annular array manner.
As a further aspect of the present invention: the diameter of the conduit channel is the same as the inner diameter of the discharge hole at the end part of the forming die head, and the central axis of the conduit channel is superposed with the central axis of the discharge hole.
As a further aspect of the present invention: and one end of the coating mechanism, which is close to the coating cavity, is provided with a flaring groove communicated with the coating cavity, the central axis of the flaring groove is superposed with that of the conduit channel, and the diameter of the flaring groove is larger than that of the conduit channel.
As a further aspect of the present invention: the coating mechanism is in threaded connection with the forming die head.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses simple structure, convenient to use through add coating mechanism at moulded die head tip, coats the shading coating on the infusion pipe outer wall after extrusion, makes the infusion pipe have the shading function, is equipped with the cooling water solution chamber simultaneously, lets the infusion pipe can cool off the design fast.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic cross-sectional view taken along line a-a in fig. 1.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, in an embodiment of the present invention, a forming head of an infusion catheter extrusion forming apparatus includes: the coating mechanism 2 is connected with a discharge port of the molding die head 1, the coating mechanism 2 is provided with a through conduit channel, the molding die head 1 comprises an extrusion pipe 11 and a molding pipe 12, the molding pipe 12 is positioned in a cavity inside the extrusion pipe 11, the diameter of the conduit channel is the same as the inner diameter of a discharge port at the end part of the molding die head 1, the central axis of the conduit channel coincides with the central axis of the discharge port, and a molten infusion conduit material is extruded and formed by the extrusion pipe 11 and the molding pipe 12 and is output from the discharge port of the molding die head 1.
An annular solution cavity 21 is arranged at one end, close to the forming die head 1, of the coating mechanism 2, the solution cavity 21 is arranged around a catheter channel, cooling water is arranged inside the solution cavity 21, a cooling water inlet 211 and a cooling water outlet 212 are arranged on the solution cavity 21, the cooling water in the solution cavity 21 can take away heat of an infusion catheter in the catheter channel, so that the infusion catheter can be rapidly cooled and shaped, the cooling water with increased temperature after absorbing the heat can flow away from the cooling water outlet 212, new cooling water is injected again through the cooling water 211, a coating cavity 22 is arranged at one end, far away from the forming die head 1, of the coating mechanism 2, the coating cavity 22 is communicated with the catheter channel, an annular coating brush 221 is arranged in the coating cavity 22, an annular coating cavity 222 is connected to the outer side of the coating brush 221, shading coating is arranged in the coating cavity 222, a feed inlet 223 is arranged in the coating cavity 222, and a plurality of through holes are distributed in an annular array on, the shading paint in the paint cavity 222 flows out of the soaking coating brush 221 through the through hole, the coating brush 221 can brush the shading paint on the outer wall of the infusion catheter in the catheter channel, and the whole outer wall of the infusion catheter can be coated with the shading paint due to the fact that the coating brush 221 annularly surrounds the infusion catheter, and no dead angle is left.
The one end that coating mechanism 2 is close to coating chamber 22 is equipped with the flaring groove that communicates coating chamber 22, flaring groove axis and conduit channel axis coincidence to flaring groove diameter is greater than conduit channel diameter, and the infusion pipe after coating chamber 22 is applied paint with a brush exports via the flaring groove, can effectively avoid the coating on the infusion pipe outer wall to be scraped off, coating mechanism 2 passes through threaded connection with forming die head 1, and when need not produce shading infusion pipe, dismantles coating mechanism 2 from forming die head 1, and forming die head 1 can be used for producing ordinary infusion pipe this moment.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. A forming head of an infusion catheter extrusion forming device comprises: forming die head (1) and coating mechanism (2), its characterized in that: the coating mechanism (2) is connected with a discharge hole of the forming die head (1), the coating mechanism (2) is provided with a through conduit channel, the forming die head (1) comprises an extrusion pipe (11) and a forming pipe (12), the forming pipe (12) is positioned in a cavity inside the extrusion pipe (11), one end, close to the forming die head (1), of the coating mechanism (2) is provided with an annular solution cavity (21), the solution cavity (21) is arranged around the conduit channel and internally provided with cooling water, the solution cavity (21) is provided with a cooling water inlet (211) and a cooling water outlet (212), one end, far away from the forming die head (1), of the coating mechanism (2) is provided with a coating cavity (22), the coating cavity (22) is communicated with the conduit channel, an annular coating brush (221) is arranged in the coating cavity (22), and the outer side of the coating brush (221) is connected with an annular coating cavity (222), the coating cavity (222) is provided with a feeding hole (223).
2. The head of claim 1, wherein the head comprises: a plurality of through holes are distributed on the side wall of the coating cavity (222) connected with the coating brush (221) in an annular array.
3. The head of claim 2, wherein the head comprises: the diameter of the conduit channel is the same as the inner diameter of the discharge port at the end part of the forming die head (1), and the central axis of the conduit channel is superposed with the central axis of the discharge port.
4. The head of claim 3, wherein the head comprises: one end of the coating mechanism (2) close to the coating cavity (22) is provided with a flaring groove communicated with the coating cavity (22), the central axis of the flaring groove coincides with the central axis of the conduit channel, and the diameter of the flaring groove is larger than that of the conduit channel.
5. The head of claim 4, wherein the head comprises: the coating mechanism (2) is in threaded connection with the forming die head (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921475865.8U CN211105501U (en) | 2019-09-06 | 2019-09-06 | Forming head of infusion catheter extrusion forming equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921475865.8U CN211105501U (en) | 2019-09-06 | 2019-09-06 | Forming head of infusion catheter extrusion forming equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211105501U true CN211105501U (en) | 2020-07-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921475865.8U Active CN211105501U (en) | 2019-09-06 | 2019-09-06 | Forming head of infusion catheter extrusion forming equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211105501U (en) |
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2019
- 2019-09-06 CN CN201921475865.8U patent/CN211105501U/en active Active
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