CN118954203A - High-toughness polyetheretherketone medical catheter winding device and working method - Google Patents
High-toughness polyetheretherketone medical catheter winding device and working method Download PDFInfo
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- CN118954203A CN118954203A CN202411435332.2A CN202411435332A CN118954203A CN 118954203 A CN118954203 A CN 118954203A CN 202411435332 A CN202411435332 A CN 202411435332A CN 118954203 A CN118954203 A CN 118954203A
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- Prior art keywords
- catheter
- winding
- rotating mechanism
- tensioning
- winding device
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H59/00—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators
- B65H59/10—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators by devices acting on running material and not associated with supply or take-up devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H54/00—Winding, coiling, or depositing filamentary material
- B65H54/02—Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers
- B65H54/40—Arrangements for rotating packages
- B65H54/44—Arrangements for rotating packages in which the package, core, or former is engaged with, or secured to, a driven member rotatable about the axis of the package
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
- B65H2701/33—Hollow or hose-like material
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Abstract
The invention belongs to the technical field of conveying, in particular to the field of tensioning, in particular to high-toughness polyether-ether-ketone medical catheter winding equipment and a working method thereof, comprising the following steps: a winding device and a tensioning device; the tensioning device is arranged in front of the winding device, and the catheter is wound by the winding device after passing through the tensioning device; wherein the tensioning device comprises: a rotating mechanism; the rotating mechanism is rotatably arranged on the supporting frame, the guide pipe passes through the rotating mechanism and is wound by the winding device, the winding position of the winding device is lower than the position of the guide pipe passing through the rotating mechanism, and the rotating mechanism rotates in the winding process, so that the position of the guide pipe passing through the rotating mechanism is gradually lowered; the number of layers of the coiled catheter increases in the coiling process, the rotating mechanism rotates along with the number of layers of the coiled catheter, and the position of the catheter passing through the rotating mechanism is reduced, so that the tensioning force on the catheter is reduced, the overlarge pulling force applied to the catheter due to the increase of the number of layers of the coiled catheter is avoided, and further deformation damage of the catheter is avoided.
Description
Technical Field
The invention belongs to the technical field of conveying, in particular to a high-toughness polyether-ether-ketone medical catheter winding device and a working method thereof.
Background
The high-toughness polyether-ether-ketone medical catheter is required to be rolled in the production process, the speed of a conveying catheter and the speed of a rolling catheter are uniform in the related art, a tensioning device keeps tensioning of the catheter in the rolling process to ensure the rolling effect, but as the number of layers of the rolling is increased, the length of each layer of catheter is increased, the position of the tensioning device is fixed, the pulling force of the catheter which is not rolled yet is increased, the deformation of the catheter can be caused, and the quality of the catheter is affected.
Therefore, the technical problem of deformation and damage of the catheter caused by the increase of the pulling force applied to the catheter in the winding process needs to design a new high-toughness polyether-ether-ketone medical catheter winding device and a working method.
It should be noted that the above information disclosed in this background section is only for understanding the background of the inventive concept and therefore the above description is not to be construed as constituting prior art information.
Disclosure of Invention
The embodiment of the disclosure at least provides high-toughness polyether-ether-ketone medical catheter winding equipment and a working method thereof.
In a first aspect, embodiments of the present disclosure provide a high-toughness polyetheretherketone medical catheter winding apparatus, comprising:
a winding device and a tensioning device;
The tensioning device is arranged in front of the feeding end of the winding device, and the catheter is wound by the winding device after passing through the tensioning device; wherein the method comprises the steps of
The tensioning device includes: a rotating mechanism;
The rotating mechanism is rotatably arranged on the supporting frame, the guide pipe passes through the rotating mechanism and then is wound by the winding device, the winding position of the winding device is lower than the position of the guide pipe passing through the rotating mechanism, and the rotating mechanism rotates in the winding process, so that the position of the guide pipe passing through the rotating mechanism is gradually lowered.
In an alternative embodiment, the rotation mechanism includes: a tension bar and a rotation shaft;
The rotating shaft is rotationally connected with the supporting frame, and a torsion spring is connected between the rotating shaft and the supporting frame;
The tensioning strip is connected with the rotating shaft, and a through hole for passing through the catheter is formed in the tensioning strip;
the diameter of the through hole is larger than that of the catheter;
when the tensioning strip is vertical, the bottom of the guide pipe contacts the inner bottom surface of the through hole, and the position of the through hole is higher than the rolling position of the rolling device.
In an alternative embodiment, a limiting ring is connected to one surface of the tensioning strip away from the winding position through a connecting strip, and the inner diameter of the limiting ring is matched with the diameter of the catheter;
the limiting ring is parallel to the through hole, so that the catheter passes through the limiting ring and then passes through the through hole.
In an alternative embodiment, a pair of grooves are formed in the position, close to the top, of the through hole, and a cutting mechanism is rotatably arranged in each groove;
a part of the cutting mechanism extends out of the groove and is positioned in the through hole.
In an alternative embodiment, the cutting mechanism includes: a cutter block and a protective sleeve;
The cutter block is rotatably arranged in the groove;
The cutter block is sleeved with the protective sleeve;
The cutter block is provided with a gear;
The inner bottom surface of the protective sleeve is provided with a rack, and the rack is meshed with the gear;
the tip part of the cutter block extends out of the groove and is positioned in the through hole;
when the cutter block rotates, the protection sleeve moves through the cooperation of the rack and the gear, the length of the protection sleeve exposed by the cutter block is adjusted, and when the tensioning bar rotates to a maximum angle, the tip of the cutter block stretches out of the protection sleeve to contact with the catheter and cut the catheter.
In an alternative embodiment, the winding device includes: a wind-up roll and a pair of baffles;
the winding roller is rotatably arranged on the supporting frame;
the baffles are arranged on the wind-up roll, the two baffles are arranged oppositely, and the distance between the two baffles is matched with the diameter of the guide pipe;
the wind-up roll is driven to rotate by a driving motor;
And the guide pipe is wound on the winding roller.
In an optional implementation manner, the supporting frame is further provided with a shooting device, and the shooting device is electrically connected with the control module;
the shooting device is arranged above the tensioning strip;
The shooting device is suitable for shooting images of the catheter;
the control module is suitable for judging whether the catheter has flaws or not according to the image of the catheter and judging whether the catheter is cut or not.
In an alternative embodiment, the photographing device includes: a camera and a light supplementing lamp;
The camera is arranged on the supporting frame;
the camera is arranged above the tensioning strip;
The light supplementing lamp is arranged on the supporting frame, the light supplementing lamp is arranged above the tensioning strip, and the light supplementing lamp is obliquely arranged;
The control module is electrically connected with the camera and the light supplementing lamp, the control module is suitable for controlling the light supplementing lamp to be lightened so as to irradiate a shooting area of the camera, and the control module is suitable for controlling the camera to shoot an image of the catheter.
In an alternative embodiment, the support strip is suitably made of a transparent material.
In an alternative embodiment, the control module is electrically connected with a driving motor in the winding device;
The control module is suitable for controlling the driving motor to work;
the control module is configured to control the drive motor to stop working when judging that the defect exists on the catheter according to the image of the catheter, and to control the drive motor to stop working when judging that the catheter is cut.
In a second aspect, an embodiment of the present disclosure further provides a working method of the medical catheter winding device using the high-toughness polyether-ether-ketone, including:
the catheter is wound by the winding device after passing through the rotating mechanism, and the rotating mechanism rotates in the winding process, so that the position of the catheter passing through the rotating mechanism is gradually lowered.
The high-toughness polyether-ether-ketone medical catheter winding device has the beneficial effects that the high-toughness polyether-ether-ketone medical catheter winding device comprises: a winding device and a tensioning device; the tensioning device is arranged in front of the winding device, and the catheter is wound by the winding device after passing through the tensioning device; wherein the tensioning device comprises: a rotating mechanism; the rotating mechanism is rotatably arranged on the supporting frame, the guide pipe passes through the rotating mechanism and is wound by the winding device, the winding position of the winding device is lower than the position of the guide pipe passing through the rotating mechanism, and the rotating mechanism rotates in the winding process, so that the position of the guide pipe passing through the rotating mechanism is gradually lowered; the number of layers of the coiled catheter increases in the coiling process, the rotating mechanism rotates along with the number of layers of the coiled catheter, and the position of the catheter passing through the rotating mechanism is reduced along with the number of layers of the coiled catheter, so that the tensioning force on the catheter is reduced, the overlarge pulling force applied to the catheter due to the increase of the number of layers of the coiled catheter is avoided, and further deformation damage of the catheter is avoided.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
In order to make the above objects, features and advantages of the present invention more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a high-toughness polyetheretherketone medical catheter winding device according to an embodiment of the present disclosure;
FIG. 2 is a schematic diagram of a tensioner according to an embodiment of the present disclosure;
Fig. 3 is a schematic structural view of a through hole according to an embodiment of the disclosure;
FIG. 4 is a schematic view of a cutting mechanism according to an embodiment of the present disclosure;
fig. 5 is a schematic structural diagram of a winding device according to an embodiment of the present disclosure;
fig. 6 is a schematic structural diagram of a photographing device according to an embodiment of the disclosure;
FIG. 7 is a schematic illustration of an initial position of a tension bar provided by an embodiment of the present disclosure;
Fig. 8 is a schematic view of a rotated position of a tension bar provided by an embodiment of the present disclosure.
In the figure:
1a winding device, 11 winding rollers and 12 baffles;
2 tensioning devices, 21 tensioning strips, 22 rotating shafts, 23 through holes, 24 limiting rings, 25 connecting strips and 26 grooves;
3a cutting mechanism, a31 cutter block, a 32 protective sleeve and a 33 gear;
4, a shooting device, a 41 camera and a 42 light supplementing lamp;
5a conduit;
And 6, supporting a frame.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As used herein, the phrases "in one embodiment," "according to one embodiment," "in some embodiments," and the like generally refer to the fact that a particular feature, structure, or characteristic following the phrase may be included in at least one embodiment of the present disclosure. Thus, a particular feature, structure, or characteristic may be included within more than one embodiment of the disclosure, such that the phrases are not necessarily referring to the same embodiment. As used herein, the terms "exemplary," "exemplary," and the like are used for purposes of illustration, example, or description. Any embodiment, aspect, or design described herein as "example" or "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments, aspects, or designs. Rather, use of the terms "example," "exemplary," and the like are intended to present concepts in a concrete fashion.
According to research, the defect of the prior art is that the catheter needs to be tensioned to ensure the winding effect in the winding process, but as the number of layers of winding increases, the length of each layer of catheter increases, and the position of the tensioning device is fixed, so that the pulling force applied to the catheter which is not wound is increased, the catheter is deformed, and the quality of the catheter is affected.
Some embodiments of the invention are described in detail below with reference to the accompanying drawings. The following embodiments and features of the embodiments may be combined with each other without conflict.
As shown in fig. 1, in at least one disclosed embodiment there is provided a high toughness polyetheretherketone medical tubing rolling apparatus comprising: a winding device 1 and a tensioning device 2; the tensioning device 2 is arranged in front of the feeding end of the winding device 1, and the guide pipe 5 is wound by the winding device 1 after passing through the tensioning device 2; wherein the tensioning device 2 comprises: a rotating mechanism; the rotating mechanism is rotatably arranged on the supporting frame 6, the guide pipe 5 passes through the rotating mechanism and is wound by the winding device 1, the winding position of the winding device 1 is lower than the position of the guide pipe 5 passing through the rotating mechanism, and the rotating mechanism rotates in the winding process, so that the position of the guide pipe 5 passing through the rotating mechanism is lowered along with the rotating mechanism, and the position of the guide pipe 5 passing through the rotating mechanism is gradually lowered; the number of layers of the coiled guide pipe 5 is increased in the coiling process, and the rotating mechanism rotates along with the number of layers of the coiled guide pipe 5, so that the tensioning force on the guide pipe 5 is reduced, the excessive pulling force on the guide pipe 5 caused by the increase of the number of layers of the coiled guide pipe is avoided, and further deformation damage of the guide pipe 5 is avoided; the rotation of the rotating mechanism can enable the top of the rotating mechanism to approach the direction of the winding device 1, along with the increase of the number of winding layers of the guide pipe 5, the length of each layer of guide pipe 5 is increased, the winding speed of the guide pipe 5 and the conveying speed can be unchanged, the pulling force of the guide pipe 5 is increased because of the winding, the tensioning force of the guide pipe 5 is reduced through the rotation of the rotating mechanism, the influence of the increase of the pulling force on the guide pipe 5 is reduced, and the deformation damage of the guide pipe 5 is avoided.
In an alternative embodiment, as shown in fig. 2, the rotation mechanism includes: a tension bar 21 and a rotation shaft 22; the rotating shaft 22 is rotatably connected with the support frame 6, and a torsion spring is connected between the rotating shaft 22 and the support frame 6; the tensioning strip 21 is connected with the rotating shaft 22, and a through hole 23 for passing through the catheter 5 is formed in the tensioning strip 21; the diameter of the through hole 23 is larger than the diameter of the catheter 5; when the tensioning strip 21 is vertical, the bottom of the guide pipe 5 contacts the inner bottom surface of the through hole 23, and the position of the through hole 23 is higher than the winding position of the winding device 1; in the initial state, the tensioning strip 21 is in a vertical state, the through hole 23 is close to the top of the tensioning strip 21, the guide pipe 5 passes through the through hole 23, the guide pipe 5 is tensioned by the tensioning strip 21 and arched at the moment, the winding position of the winding device 1 is the position where each layer of guide pipe 5 starts to wind, the end part of the guide pipe 5 can be manually fixed on the winding roller 11 in the initial position, then the winding can be started, the guide pipe 5 is subjected to increased pulling force along with the increase of the winding, the guide pipe 5 can drive the tensioning strip 21 to rotate, the top of the tensioning strip 21 rotates downwards, the top of the tensioning strip 21 is close to the winding device 1, the tensioning force of the tensioning strip 21 on the guide pipe 5 is reduced, and the deformation of the guide pipe 5 caused by the increase of the pulling force is avoided by the reduction of the tensioning force; the torsion spring can make the rotation shaft 22 have a maximum rotation angle, that is, the tensioning strip 21 has a maximum rotation angle, for example, the included angle between the final position and the initial position of the tensioning strip 21 is 45 degrees, etc., the maximum rotation angle of the rotation shaft 22 can be adjusted by replacing the torsion spring, and after the tensioning strip 21 rotates to the final position, the pulling force added to the catheter 5 can not drive the tensioning strip 21 to rotate any more.
In an alternative embodiment, the surface of the tensioning strip 21 away from the winding position is connected with a limiting ring 24 through a connecting strip 25, and the inner diameter of the limiting ring 24 is matched with the diameter of the guide pipe 5; the limiting ring 24 is parallel to the through hole 23, so that the conduit 5 passes through the limiting ring 24 and then passes through the through hole 23; the stopper ring 24 can prevent the catheter 5 from shaking or the like.
In an alternative embodiment, as shown in fig. 3, a pair of grooves 26 are formed in the through hole 23 near the top, and the cutting mechanism 3 is rotatably disposed in the grooves 26; a part of the protruding groove 26 of the cutting mechanism 3 is located in the through hole 23; the cutting mechanism 3 can cut the surface of the catheter 5 along with the continuous winding of the winding roller 11 after the tensioning strip 21 rotates by the maximum amplitude.
In an alternative embodiment, as shown in fig. 4, the cutting mechanism 3 comprises: a cutter block 31 and a protective sleeve 32; the cutter block 31 is rotatably arranged in the groove 26; the cutter block 31 is sleeved with a protective sleeve 32; the cutter block 31 is provided with a gear 33; the inner bottom surface of the protective sleeve 32 is provided with a rack which is meshed with the gear 33; the tip of the cutter block 31 extends out of the groove 26 and is positioned in the through hole 23; when the cutter block 31 rotates, the protection sleeve 32 moves through the cooperation of the rack and the gear 33, the length of the cutter block 31 exposing the protection sleeve 32 is adjusted, and when the tensioning bar 21 rotates to the maximum angle, the tip of the cutter block 31 stretches out of the protection sleeve 32 to contact with the catheter 5 and cut the catheter 5; as shown in fig. 7, when the tensioning strip 21 is in an initial vertical state, the guide tube 5 is in contact with the inner bottom surface of the through hole 23, a space exists between the guide tube 5 and the inner top surface of the through hole 23, at this time, the cutter block 31 is in an inclined state due to the weight of the cutter block 31 and the weight of the protective sleeve 32, the protective sleeve 32 wraps the cutter block 31 completely, that is, the tip of the cutter block 31 is also wrapped by the protective sleeve 32, the bottom edge of the outer end of the protective sleeve 32 is positioned at the groove 26 contacts with the surface of the upper half part of the guide tube 5, the contact of the two cutting mechanisms 3 to the surface of the guide tube 5 can slightly spread the surface of the guide tube 5, so that defects can be identified after images are shot conveniently, at this time, the tip of the cutter block 31 is wrapped, the edge of the end of the protective sleeve 32 extending out of the groove 26 can be in a circular arc shape, avoiding forming scratches on the surface of the conduit 5 when the conduit 5 is wound, starting to rotate the tensioning strip 21 (the rotation direction is shown as F in fig. 7) along with the increase of the winding layer number of the conduit 5, at the moment, starting to move the conduit 5 in the through hole 23 upwards, namely, gradually approaching the conduit 5 to the top of the inner wall of the through hole 23, as shown in fig. 8, contacting the conduit 5 with the through hole 23 to the top edge of the winding device 1 when the tensioning strip 21 rotates to the maximum angle, driving the cutter block 31 to rotate when the conduit 5 moves upwards, enabling the protective sleeve 32 to move towards the inside of the groove 26 through the cooperation of the gear 33 and the rack when the cutter block 31 rotates, enabling the tip of the cutter block 31 to expose the protective sleeve 32 when the tensioning strip 21 rotates to the maximum angle, enabling the tip of the cutter block 31 to contact the outer wall of the conduit 5 when the tensioning strip 21 rotates to the maximum angle, and enabling the tensioning strip 21 to rotate continuously along with the continuous increase of winding, at this time, the increased pulling force is matched with the edge of the through hole 23 to deform the conduit 5 in the through hole 23 (namely, pulling the conduit 5 to deform the conduit 5 after contacting the edge of the through hole 23), the conduit 5 changes from a circular shape to an elliptical shape, and at this time, the tip of the cutter block 31 contacting the outer wall of the conduit 5 cuts the outer wall of the conduit 5; the cutter block 31 is arranged at the upper half part of the through hole 23, so that the tip of the cutter block 31 cannot be separated from the guide pipe 5 when the guide pipe 5 is deformed, and the cutting effect of the cutter block 31 is ensured; the inner top surface of the recess 26 may be at the maximum position of the upward rotation of the cutter blocks 31, e.g. the cutter blocks 31 may be in the same line as the cutter blocks 31 are rotated upward to the highest position, and may be parallel to the top surface of the tension bar 21.
As shown in fig. 5, in an alternative embodiment, the winding device 1 includes: a wind-up roll 11 and a pair of baffles 12; the wind-up roller 11 is rotatably arranged on the support frame 6; the baffles 12 are arranged on the wind-up roll 11, the two baffles 12 are oppositely arranged, and the distance between the two baffles 12 is matched with the diameter of the guide pipe 5; the wind-up roller 11 is driven to rotate by a driving motor; the guide pipe 5 is wound on the winding roller 11; the driving motor can drive the wind-up roller 11 to rotate so as to wind up the guide pipe 5, and the baffle 12 can ensure the layer-by-layer winding of the guide pipe 5 and avoid the deflection of the guide pipe 5.
In an alternative embodiment, the supporting frame 6 is further provided with a shooting device 4, and the shooting device 4 is electrically connected with the control module; the photographing device 4 is disposed above the tension bar 21; the photographing means 4 are adapted to photograph images of the catheter 5; the control module is adapted to determine whether there is a flaw on the catheter 5 and whether the catheter 5 is cut according to the image of the catheter 5.
As shown in fig. 6, in an alternative embodiment, the photographing device 4 includes: a camera 41 and a light supplement lamp 42; the camera 41 is arranged on the support frame 6; the camera 41 is arranged above the tension strip 21; the light supplementing lamp 42 is arranged on the supporting frame 6, the light supplementing lamp 42 is arranged above the tensioning strip 21, and the light supplementing lamp 42 is obliquely arranged; the control module is electrically connected with the camera 41 and the light supplementing lamp 42, and is suitable for controlling the light supplementing lamp 42 to be lightened so as to irradiate a shooting area of the camera 41, and the control module is suitable for controlling the camera 41 to shoot an image of the catheter 5; the support bar is suitable for being made of transparent materials; the light supplementing lamp 42 can irradiate the guide pipe 5 in the through hole 23 through the transparent tensioning strip 21, the irradiation range of the light supplementing lamp 42 can cover all areas from the initial position to the final position of the tensioning strip 21, shooting can be carried out in real time in the rolling process, the shooting range of the camera 41 can also cover all areas from the initial position to the final position of the tensioning strip 21, the light supplementing lamp 42 can supplement light so as to facilitate high-precision shooting, the follow-up image recognition is more accurate, and the camera 41 can shoot the image of the guide pipe 5 through the transparent tensioning strip 21; the camera 41 may take an image of the upper half of the catheter 5 when it is in the lateral direction to perform image recognition on the upper half of the catheter 5 to recognize flaws and cuts.
In an alternative embodiment, the control module is electrically connected with the driving motor in the winding device 1; the control module is suitable for controlling the driving motor to work; the control module is suitable for controlling the driving motor to stop working when judging that the defect exists on the conduit 5 according to the image of the conduit 5, and controlling the driving motor to stop working when judging that the conduit 5 is cut; when the cutter block 31 cuts the outer wall of the guide pipe 5, the winding is judged to reach the maximum layer number at the moment, the winding is finished, the control module controls the driving motor to stop the rotation of the winding roller 11 (the control module can delay a period of time and then control the driving motor to stop the rotation of the winding roller 11, so that a cutting mark formed by the cutter block 31 has a certain length, the guide pipe 5 can be conveniently cut off from the middle of the cutting mark by subsequent manual work), at the moment, the guide pipe 5 can be manually cut off, the cutting position is positioned at the guide pipe 5 corresponding to the cutting mark, at the moment, the cutting mark formed by the cutter block 31 is positioned on the wound guide pipe 5, and is positioned on the guide pipe 5 which is not wound, the cutting mark on the unreeled guide pipe 5 can be convenient for fixing the end part of the guide pipe 5 on the winding roller 11, namely, the end part of the guide pipe 5 can be conveniently fixed on the winding roller 11 by the cutting mark, for example, a clamping block on the winding roller 11 can be clamped in the cutting mark; after the flaws are identified, the control module can also control the driving motor to stop the rotation of the wind-up roller 11, and at the moment, the control module can send information of flaw identification to staff through an alarm module and the like so as to prevent the flaw-containing catheter 5 from being wound.
In at least one other disclosed embodiment, a working method of the medical catheter winding device adopting the high-toughness polyether-ether-ketone is also provided, which comprises the following steps: the catheter 5 is wound by the winding device 1 after passing through the rotating mechanism, and the rotating mechanism rotates in the winding process, so that the position of the catheter 5 passing through the rotating mechanism is gradually lowered.
To sum up, this medical pipe rolling equipment of high toughness polyether ether ketone includes: a winding device 1 and a tensioning device 2; the tensioning device 2 is arranged in front of the winding device 1, and the guide pipe 5 is wound by the winding device 1 after passing through the tensioning device 2; wherein the tensioning device 2 comprises: a rotating mechanism; the rotating mechanism is rotatably arranged on the supporting frame 6, the guide pipe 5 passes through the rotating mechanism and is wound by the winding device 1, the winding position of the winding device 1 is lower than the position of the guide pipe 5 passing through the rotating mechanism, and the rotating mechanism rotates in the winding process, so that the position of the guide pipe 5 passing through the rotating mechanism is gradually lowered; the number of layers of the coiled guide pipe 5 is increased in the coiling process, the rotating mechanism rotates along with the number of layers of the coiled guide pipe 5, the position of the guide pipe 5 passing through the rotating mechanism is reduced along with the number of layers of the coiled guide pipe, so that the tensioning force on the guide pipe 5 is reduced, the excessive pulling force applied to the guide pipe 5 due to the increase of the number of layers of the coiled guide pipe is avoided, and further deformation damage of the guide pipe 5 is avoided.
In the description of embodiments of the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Spatially relative terms, such as "inner," "outer," "lower," "upper," and the like, may be used herein to facilitate the description of one element or feature's relationship to another element or feature as illustrated in the figures. Spatially relative terms may be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features.
With the above-described preferred embodiments according to the present invention as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present invention. The technical scope of the present invention is not limited to the description, but must be determined according to the scope of claims.
Claims (7)
1. High toughness polyether ether ketone medical catheter rolling equipment, characterized by, include:
a winding device and a tensioning device;
The tensioning device is arranged in front of the feeding end of the winding device, and the catheter is wound by the winding device after passing through the tensioning device; wherein the method comprises the steps of
The tensioning device includes: a rotating mechanism;
The rotating mechanism is rotatably arranged on the supporting frame, the guide pipe passes through the rotating mechanism and is wound by the winding device, the winding position of the winding device is lower than the position of the guide pipe passing through the rotating mechanism, and the rotating mechanism rotates in the winding process, so that the position of the guide pipe passing through the rotating mechanism is gradually lowered;
the rotating mechanism comprises: a tension bar and a rotation shaft;
The rotating shaft is rotationally connected with the supporting frame, and a torsion spring is connected between the rotating shaft and the supporting frame;
The tensioning strip is connected with the rotating shaft, and a through hole for passing through the catheter is formed in the tensioning strip;
the diameter of the through hole is larger than that of the catheter;
When the tensioning strip is vertical, the bottom of the guide pipe contacts the inner bottom surface of the through hole, and the position of the through hole is higher than the rolling position of the rolling device;
One surface of the tensioning strip, which is far away from the winding position, is connected with a limiting ring through a connecting strip, and the inner diameter of the limiting ring is matched with the diameter of the catheter;
The limiting ring is parallel to the through hole, so that the catheter passes through the limiting ring and then passes through the through hole;
A pair of grooves are formed in the positions, close to the top, of the through holes, and a cutting mechanism is rotatably arranged in each groove;
A part of the cutting mechanism extends out of the groove and is positioned in the through hole;
The cutting mechanism includes: a cutter block and a protective sleeve;
The cutter block is rotatably arranged in the groove;
The cutter block is sleeved with the protective sleeve;
The cutter block is provided with a gear;
The inner bottom surface of the protective sleeve is provided with a rack, and the rack is meshed with the gear;
the tip part of the cutter block extends out of the groove and is positioned in the through hole;
when the cutter block rotates, the protection sleeve moves through the cooperation of the rack and the gear, the length of the protection sleeve exposed by the cutter block is adjusted, and when the tensioning bar rotates to a maximum angle, the tip of the cutter block stretches out of the protection sleeve to contact with the catheter and cut the catheter.
2. The high-toughness polyetheretherketone medical catheter winding device according to claim 1, wherein:
the winding device comprises: a wind-up roll and a pair of baffles;
the winding roller is rotatably arranged on the supporting frame;
the baffles are arranged on the wind-up roll, the two baffles are arranged oppositely, and the distance between the two baffles is matched with the diameter of the guide pipe;
the wind-up roll is driven to rotate by a driving motor;
And the guide pipe is wound on the winding roller.
3. The high-toughness polyetheretherketone medical catheter winding device according to claim 1, wherein:
the support frame is also provided with a shooting device, and the shooting device is electrically connected with the control module;
the shooting device is arranged above the tensioning strip;
The shooting device is suitable for shooting images of the catheter;
the control module is suitable for judging whether the catheter has flaws or not according to the image of the catheter and judging whether the catheter is cut or not.
4. The high-toughness polyetheretherketone medical catheter winding device according to claim 3, wherein:
the photographing apparatus includes: a camera and a light supplementing lamp;
The camera is arranged on the supporting frame;
the camera is arranged above the tensioning strip;
The light supplementing lamp is arranged on the supporting frame, the light supplementing lamp is arranged above the tensioning strip, and the light supplementing lamp is obliquely arranged;
The control module is electrically connected with the camera and the light supplementing lamp, the control module is suitable for controlling the light supplementing lamp to be lightened so as to irradiate a shooting area of the camera, and the control module is suitable for controlling the camera to shoot an image of the catheter.
5. The high-toughness polyetheretherketone medical catheter winding device according to claim 4, wherein:
The supporting strips are suitable for being made of transparent materials.
6. The high-toughness polyetheretherketone medical catheter winding device according to claim 4, wherein:
the control module is electrically connected with a driving motor in the winding device;
The control module is suitable for controlling the driving motor to work;
the control module is configured to control the drive motor to stop working when judging that the defect exists on the catheter according to the image of the catheter, and to control the drive motor to stop working when judging that the catheter is cut.
7. A method of operating a high tenacity polyetheretherketone medical catheter winding apparatus according to claim 1, comprising:
the catheter is wound by the winding device after passing through the rotating mechanism, and the rotating mechanism rotates in the winding process, so that the position of the catheter passing through the rotating mechanism is gradually lowered.
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| CN202411435332.2A CN118954203B (en) | 2024-10-15 | 2024-10-15 | High-toughness polyether-ether-ketone medical catheter winding equipment and working method |
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| CN202411435332.2A CN118954203B (en) | 2024-10-15 | 2024-10-15 | High-toughness polyether-ether-ketone medical catheter winding equipment and working method |
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| CN118954203B (en) | 2024-12-17 |
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Address after: 213172 Jiangsu Province, Wujin District, Jingde West Road, No. 168 Patentee after: Jiangsu Junhua Special Polymer Materials Co.,Ltd. Country or region after: China Address before: No. 7-16, Yangtze River Delta Mold City, Wujin High tech Industrial Development Zone, Changzhou City, Jiangsu Province, 213000 Patentee before: Jiangsu Junhua Special Polymer Materials Co.,Ltd. Country or region before: China |