CN109877258B - Externally-overlapped drop-shaped net basket forming tool and drop-shaped self-unfolding basket forming method - Google Patents
Externally-overlapped drop-shaped net basket forming tool and drop-shaped self-unfolding basket forming method Download PDFInfo
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- CN109877258B CN109877258B CN201910183908.3A CN201910183908A CN109877258B CN 109877258 B CN109877258 B CN 109877258B CN 201910183908 A CN201910183908 A CN 201910183908A CN 109877258 B CN109877258 B CN 109877258B
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Abstract
The invention discloses an external lapping type drop-shaped net basket forming tool, which comprises: a substrate; the metal head clamping assembly is arranged on the substrate and comprises a metal head clamping opening capable of being opened and closed; the wire clamping assembly is arranged beside the metal head clamping assembly and comprises a mesh basket wire clamping opening capable of being opened and closed; the wire clamping device comprises a metal head clamping assembly, a wire clamping assembly, a shaping block, a plurality of wire grooves and a wire clamping assembly, wherein the shaping block is positioned between the metal head clamping assembly and the wire clamping assembly, the outer side surface of the shaping block is provided with the plurality of wire grooves, and the wire grooves are arranged from left to right and are arranged in an annular array. Through setting up the design piece to set up the silk groove in the outside of design piece, the basket silk is taken outward on the silk groove and is taut by taut subassembly after, carries out heat treatment with whole mould and basket silk together again, can guarantee the shape accuracy after the basket silk heat treatment well. The invention also provides a forming method of the water drop-shaped self-unfolding basket. The invention relates to the technical field of net basket forming.
Description
Technical Field
The invention relates to the technical field of basket forming, in particular to an externally-overlapped drop-shaped basket forming tool.
Background
The drop-shaped net basket is complex in stress due to large twisting degree of the net wires, the shape accuracy of the drop-shaped net basket is difficult to guarantee, and the drop-shaped net basket is difficult to meet the use requirements in certain specific occasions, such as the stone-taking net basket used as an ERCP. The drop-shaped basket is a type commonly used in stone-taking baskets and has the advantage of being clamped integrally. The two ends of the basket wire of the drop-shaped stone-taking basket are fixed in a cluster, and the middle of the basket wire is unfolded to form a wave crest shape. Most of the existing water drop-shaped stone-taking net baskets are formed by bending net basket wires into wave crest shapes, and then the wave crest shapes are sleeved through end caps or are formed by directly welding and bundling, and the bent net basket wires need to be subjected to heat treatment and shaping in order to keep the shapes of the net basket wires. The shape of the basket wire is often deformed during heat treatment, and the shape precision is difficult to ensure.
Disclosure of Invention
The invention aims to: the utility model provides an outer formula water droplet shape basket shaping frock of taking for the basket silk that the shaping form precision is high is gone out in the shaping.
Another object of the invention is: a method for forming a water-drop-shaped self-expanding basket with high precision is provided.
The solution of the invention for solving the technical problem is as follows: take formula water droplet shape basket shaping frock outward, include: a substrate; the metal head clamping assembly is arranged on the substrate and comprises a metal head clamping opening capable of being opened and closed; the wire clamping assembly is arranged beside the metal head clamping assembly and comprises a mesh basket wire clamping opening capable of being opened and closed; the wire clamping device comprises a metal head clamping assembly, a wire clamping assembly, a shaping block, a plurality of wire grooves and a wire clamping assembly, wherein the shaping block is positioned between the metal head clamping assembly and the wire clamping assembly, the outer side surface of the shaping block is provided with the plurality of wire grooves, and the wire grooves are arranged from left to right and are arranged in an annular array.
As a further improvement of the technical scheme, the wire harness assembly comprises a wire harness block, the wire harness block is arranged between the shaping block and the wire clamping assembly, and a wire harness hole arranged in the left-right direction is formed in the middle of the wire harness block.
As a further improvement of the technical scheme, the wire harness block comprises an upper split body and a lower split body which are detachably connected, and the wire harness hole is formed by splicing the upper split body and the lower split body.
As a further improvement of the technical scheme, the metal head clamping opening and the wire harness hole are positioned on the same straight line.
As a further improvement of the above technical solution, the shaping block is in a cross shape, the shaping block includes a transverse plate, an upper protruding block disposed on the upper side of the transverse plate, and a lower protruding block disposed on the lower side of the transverse plate, the number of the filament grooves is four, two of the filament grooves are disposed on the left end surface and the right end surface of the transverse plate respectively, the other two filament grooves are disposed on the top surface of the upper protruding block and the bottom surface of the lower protruding block respectively, the bottom surface of the transverse plate is connected with the top surface of the substrate, a clearance groove is disposed on the top surface of the substrate, and the lower protruding block is disposed in the clearance groove.
As a further improvement of the above technical solution, the metal head clamping assembly includes a fixed plate disposed on the base plate, and a movable plate disposed above the fixed plate, the movable plate is connected together by a screw disposed along a vertical direction, and the metal head clamping opening is formed by splicing the movable plate and the fixed plate.
As a further improvement of the above technical scheme, the wire clamping assembly comprises a clamping seat, a clamping groove is formed in the clamping seat, a clamping block is arranged in the clamping groove, the clamping block slides in the clamping groove, the basket wire clamping opening is formed between the clamping block and the clamping groove, a screw hole is formed in the side face of the clamping groove, and the side face of the clamping groove is communicated with the outside through the screw hole.
The invention also relates to a forming method of the water drop-shaped self-unfolding basket, which comprises the forming tool of the externally-overlapped water drop-shaped net basket as claimed in claim 1, and further comprises the following steps:
the method comprises the following steps: preparing a plurality of basket wire tows, wherein the basket wire tows comprise a plurality of basket wires, the number of the basket wires is the same as that of the wire grooves, and the left ends of the basket wire tows are bundled and fixed by metal heads;
step two: the metal head is clamped by the metal head clamping assembly;
step three: overlapping each basket wire included in the basket wire bundle on the wire grooves of the shaping block from left to right respectively and bundling the basket wire bundle on the right side of the wire grooves;
step four: tightening the basket wire tows to the right, and clamping by using a wire clamping assembly;
step five: carrying out heat treatment on the basket wire tows and the forming tool together, wherein the heat treatment temperature is 500-600 ℃, and the heating time is 23-25 min;
step six: placing the thermally treated basket wire tows and the forming tool in water for cooling;
step seven: and taking out the cooled basket wire bundle and the forming tool, and loosening the wire clamping assembly and the metal head clamping assembly to obtain a finished product.
As a further improvement of the above technical solution, in the fifth step: the heat treatment equipment is a high-temperature air blast oven.
As a further improvement of the above technical solution, in the fifth step: the heat treatment equipment is a high-temperature air blast oven.
The invention has the beneficial effects that: through setting up the design piece to set up the silk groove in the outside of design piece, the basket silk is taken outward on the silk groove and is taut by taut subassembly after, carries out heat treatment with whole mould and basket silk together again, can guarantee the shape accuracy after the basket silk heat treatment well.
Drawings
In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures are only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from them without inventive effort.
FIG. 1 is a perspective exploded view of an embodiment;
FIG. 2 is a partial enlarged view of the embodiment at A;
FIG. 3 is a flow diagram of a method of forming a drop shaped self-expanding basket;
fig. 4 is a schematic view of a structure of a water drop-shaped basket.
Description of reference numerals: a substrate-100; a clearance groove-110; a fixed plate-210; a movable plate-220; a holder-310; a clamping block-320; a basket wire clamp opening-321; a beam line block-410; a shaping block-510; filament groove-511.
Detailed Description
The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and those skilled in the art can obtain other embodiments without inventive effort based on the embodiments of the present invention, and all embodiments are within the protection scope of the present invention. In addition, all the connections or connection relationships mentioned herein are not directly connected to each other, but rather, the connection configurations may be better combined by adding or subtracting connection accessories according to the specific implementation. The technical characteristics of the invention can be combined interactively on the premise of not conflicting with each other.
The embodiment is as follows, with reference to fig. 1 to 4, specifically, with reference to fig. 1 and 2, an externally-overlapped drop-shaped basket forming tool includes:
a substrate 100; in this embodiment, the substrate 100 refers to a flat plate for fixing each component, and in other embodiments, the substrate 100 may be a table, a rack, or the like.
A metal head clamping assembly provided on the substrate 100, the metal head clamping assembly including a metal head clamping opening that can be opened and closed; in this embodiment, the metal head clamping assembly includes a fixed plate 210 disposed on the base plate 100, and a movable plate 220 disposed above the fixed plate 210, the movable plate 220 is screwed together by a screw disposed in a vertical direction, and the metal head clamping opening is formed by splicing the movable plate 220 and the fixed plate 210.
The metal head clamping opening corresponds to the shape and size of the metal head required for bundling the basket wires. The manner of sliding the fixed plate 210 and the movable plate 220 up and down is not limited to this, and one of the fixed plate 210 and the movable plate 220 may be fixed to the substrate 100, and the other may be fixed to a driving device, such as an oil cylinder, an air cylinder, a linear module, and a screw mechanism.
The wire clamping assembly is arranged beside the metal head clamping assembly and comprises a mesh basket wire clamping opening 321 which can be opened and closed; in this embodiment, the wire clamping assembly includes holder 310, be equipped with on the holder and press from both sides tight groove, it presss from both sides tight piece 320 to press from both sides to be equipped with in the tight groove, it slides in pressing from both sides tight inslot to press from both sides tight piece 320, press from both sides tight piece 320 and install in pressing from both sides tight inslot, basket silk presss from both sides mouth 321 and establishes between pressing from both sides tight piece 320 and pressing from both sides tight groove, treats that the tight basket silk of clamp puts into basket silk presss from both sides intraorally after, makes through the rotatory screw that wears to establish in the screw hole and press from both sides tight piece 320. The form of the clamping assembly is not limited to this, and the movable connection between the holder groove and the clamping block can be realized by driving the clamping block or the holder to realize the relative movement of the clamping block and the holder through a driving device. Or by providing a spring between the clamp block and the clamp seat.
The wire clamping device comprises a shaping block 510, wherein the shaping block 510 is positioned between a metal head clamping assembly and a wire clamping assembly, a plurality of wire grooves 511 are formed in the outer side face of the shaping block 510, and the wire grooves 511 are arranged from left to right and are arranged in an annular array. The direction of the centre line of the circular array in this embodiment corresponds in particular to the direction in which the line between the metal head jaws and the basket wire jaws extends. In the present embodiment, the wire grooves 511 are annularly arrayed around the axis in the left-right direction as a center line, and the wire grooves 511 extend in the left-right direction as a whole. The side of the wire slot 511 far away from the center of the shaping block 510 is taken as the outer side, and the outermost side of the wire slot 511 is provided with a shaping section extending along the left-right direction. The size of the thread groove 511 is predetermined to correspond to the size of the thread to be shaped.
Further, the wire harness clamping device comprises a wire harness assembly, wherein the wire harness assembly comprises a wire harness block 410, the wire harness block 410 is arranged between the shaping block 510 and the metal head clamping assembly, and a wire harness hole arranged in the left-right direction is formed in the middle of the wire harness block 410. The basket wire is taken behind basket wire groove 511, passes the bunch hole jointly, and is taut by clamping component again, through setting up bunch subassembly, the basket wire passes the bunch hole of bunch piece 410 before the design for the basket wire can have definite position tied in a bundle when the design, and the basket wire shape precision that the shaping was gone out is higher. In addition, the basket wires can have different shapes when the wire harness block 410 is disposed at different positions, so that basket wires having different shapes can be molded.
Further, the wire harness block 410 comprises an upper split and a lower split, the upper split and the lower split are detachably connected, and the wire harness hole is formed by splicing the upper split and the lower split. From this, when last components of a whole that can function independently and lower components of a whole that can function independently are in the separation state, can put into basket silk bundle line hole with the basket silk from the side in bunch hole, it is more convenient when putting into the basket silk through the mode that the side was put into when the basket silk was longer compared to the mode that penetrates the bunch hole.
Furthermore, the metal head clamping opening and the wire harness hole are positioned on the same straight line. The net basket is positioned on the same straight line, particularly the central axis of the metal head clamping opening and the central axis of the wire bundling hole are positioned on the same straight line, therefore, the net basket formed after the net basket wire is shaped is positioned on the same straight line by the fixed end of the metal head and the end penetrating through the wire bundling hole, and the formed net basket is more suitable for common use habits and is easier to be accepted by medical care personnel.
Further, the shaping piece 510 is "cross" form, the shaping piece 510 includes the diaphragm, establishes the last lug of diaphragm upside, establishes the lower lug of diaphragm downside, silk groove 511 has four, wherein two the silk groove 511 is established respectively on the left end face and the right-hand member face of diaphragm, two in addition the silk groove 511 is established respectively on the top surface of last lug and the bottom surface of protruding piece down, the bottom surface of diaphragm meets with the top surface of base plate 100, be equipped with on the top surface of base plate 100 and keep away the dead slot 110, the lug is located down keep away in the dead slot 110.
Further, the metal head clamping assembly includes a fixed plate 210 disposed on the base plate 100, and a movable plate 220 disposed above the fixed plate 210, the movable plate 220 is penetrated and connected together by a screw disposed along a vertical direction, and the metal head clamping opening is formed by splicing the movable plate 220 and the fixed plate 210. Through the arrangement, the movable plate 220 and the fixed plate 210 are connected in a vertically slidable manner, the sliding connection is realized by adopting the screws, the structure is simple and reliable, when the whole die and the basket wire are subjected to heat treatment together, the influence of repeated heat treatment on the structure is small, and the service life of the die is long. When clamping, the screw is rotated to move the movable plate 220 to the fixed plate 210 side, and the metal head clamping opening is reduced to clamp the metal head placed in the metal head clamping opening.
Further, the wire clamping assembly comprises a clamping seat, a clamping groove is formed in the clamping seat, a clamping block 320 is arranged in the clamping groove, the clamping block 320 slides in the clamping groove, a screw hole is formed in the side face of the clamping groove, and the side wall of the clamping groove is communicated with the outside through the screw hole. The screw hole is communicated with the clamping groove and the outside, specifically, the screw hole is arranged on the side surface of the clamping groove and penetrates through the side surface of the side, the screw hole comprises a thread section, and the depth of the thread section can be smaller than or equal to that of the screw hole.
The invention also relates to a forming method of the water drop-shaped self-unfolding basket, which comprises the forming tool of the externally-overlapped water drop-shaped net basket in the embodiment and also comprises the following steps of:
the method comprises the following steps: preparing a plurality of basket wire tows, wherein the basket wire tows comprise a plurality of basket wires, the number of the basket wires is the same as that of the wire grooves 511, and the left ends of the basket wire tows are bundled and fixed by metal heads; specifically, in this embodiment, the metal head is barrel-shaped, and the end surface of the metal head includes an opening, the size of the opening is preset to correspond to the size of the basket wire to be bundled, and the basket wire is integrated with the metal head by welding or compacting after penetrating through the opening, so as to fix the basket wire by the metal head. The basket wire described herein, which specifically refers to the portion of the prior art that is usually made of nitinol wire for the self-expanding basket, is usually connected with a stainless steel wire at one end of the basket wire for cost reasons, so as to avoid unnecessary waste of nitinol wire.
Step two: the metal head is clamped by the metal head clamping assembly; specifically, in this embodiment, the metal head is clamped within the metal head jaw.
Step three: overlapping each of the basket wires included in the basket wire bundle on the wire slot 511 of the sizing block 510 from left to right, and bundling the basket wire bundle at the right side of the wire slot 511; the bundling may be achieved by passing the basket wire bundle through the bundle hole in some embodiments, or by sleeving the ring around the basket wire bundle in other embodiments.
Step four: tightening the basket wire tows to the right, and clamping by using a wire clamping assembly; specifically, in some embodiments, the basket wire bundle is placed in the wire clamping opening for clamping, and the basket wire bundle is tensioned to the right and then kept tensioned under the action of the clamping assembly, so that the basket wires externally lapped on the wire grooves 511 of the shaping block 510 can be well attached to the wire grooves 511, and the shaping precision of the basket wires is guaranteed.
Step five: carrying out heat treatment on the basket wire tows and the forming tool together, wherein the heat treatment temperature is 500-600 ℃, and the heating time is 23-25 min; through carrying out heat treatment to the basket silk bundle, play the design effect to the basket silk for the basket silk has stronger recovery ability.
Step six: placing the thermally treated basket wire tows and the forming tool in water for cooling; the water is normal temperature water, the water temperature is 20-25 ℃, the shaping die is placed in the water and cooled to the normal temperature, the crystal trend of the basket net is changed and crystal grains are refined in a heating and post-quenching mode.
Step seven: and taking out the cooled basket wire bundle and the forming tool, and loosening the wire clamping assembly and the metal head clamping assembly to obtain a finished product. The finished product is the self-unfolding basket in the shape of water drops. The wire clamping assembly and the metal head clamping assembly are loosened in a reverse manner to the clamping, for example, in some embodiments, when the wire clamping assembly is clamped, a wire clamping opening between the clamping block 320 and the clamping groove is reduced when the screw is rotated; when the wire clamping assembly needs to be loosened, the wire clamping opening is enlarged by reversely rotating the screw, so that the basket wire bundle is loosened.
Further, in the fifth step: the heat treatment equipment is a high-temperature air blast oven. The high temperature forced air oven described herein has many other names, such as a high temperature oven, a high temperature drying oven, and the like. Specifically, a high-temperature oven with the model numbers of NMT-GW-3001 and NMT-GW-3003 of Meite-resistant company can be adopted.
While the preferred embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (8)
1. Take formula water droplet shape basket shaping frock outward, its characterized in that: the method comprises the following steps:
a substrate;
the metal head clamping assembly is arranged on the substrate and comprises a metal head clamping opening capable of being opened and closed;
the wire clamping assembly is arranged beside the metal head clamping assembly and comprises a mesh basket wire clamping opening capable of being opened and closed, and the central line of the mesh basket wire clamping opening and the central line of the metal head clamping opening are coaxially arranged;
the wire clamping device comprises a metal head clamping assembly, a wire clamping assembly, a shaping block, a wire clamping assembly and a wire clamping assembly, wherein the shaping block is positioned between the metal head clamping assembly and the wire clamping assembly;
the shaping piece is "cross" form, the shaping piece includes the diaphragm, establishes the last lug of diaphragm upside, establishes the lower lug of diaphragm downside, the silk groove has four, wherein two the silk groove is established respectively on the left end face and the right-hand member face of diaphragm, two in addition the silk groove is established respectively on the top surface of last lug and the bottom surface of lower lug, the bottom surface of diaphragm meets with the top surface of base plate, be equipped with on the top surface of base plate and keep away the dead slot, the lug is located down keep away the inslot.
2. The externally-overlapped drop-shaped net basket forming tool according to claim 1, wherein the externally-overlapped drop-shaped net basket forming tool is characterized in that: still include the bunch subassembly, the bunch subassembly includes the bunch piece, the bunch piece is established between sizing block and the clamp line subassembly, the middle part of bunch piece is equipped with the bunch hole that sets up along left right direction.
3. The externally-overlapped drop-shaped net basket forming tool according to claim 2, characterized in that: the wire harness block comprises an upper split and a lower split which are detachably connected, and the wire harness hole is formed by splicing the upper split and the lower split.
4. The externally-overlapped drop-shaped net basket forming tool according to claim 2, characterized in that: the metal head clamping opening and the wire harness hole are positioned on the same straight line.
5. The externally-overlapped drop-shaped net basket forming tool according to claim 1, wherein the externally-overlapped drop-shaped net basket forming tool is characterized in that: the metal head clamping assembly comprises a fixed plate arranged on the base plate and a movable plate arranged above the fixed plate, the movable plate is connected together in a penetrating mode through a screw arranged in the vertical direction, and a metal head clamping opening is formed by splicing the movable plate and the fixed plate.
6. The externally-overlapped drop-shaped net basket forming tool according to claim 1, wherein the externally-overlapped drop-shaped net basket forming tool is characterized in that: the wire clamping assembly comprises a clamping seat, a clamping groove is formed in the clamping seat, the clamping groove is communicated along the left-right direction with the clamping seat, a clamping block is arranged in the clamping groove and slides in the clamping groove, a basket wire clamping opening is formed between the clamping block and the clamping groove, a screw hole is formed in the side face of the clamping groove, and the side face of the clamping groove is communicated with the outside through the screw hole.
7. The forming method of the water drop-shaped self-expanding basket is characterized in that: the externally-lapping water drop-shaped net basket forming tool comprises the externally-lapping water drop-shaped net basket forming tool as claimed in claim 1, and further comprises the following steps:
the method comprises the following steps: preparing a plurality of basket wire tows, wherein the basket wire tows comprise a plurality of basket wires, the number of the basket wires is the same as that of the wire grooves, and the left ends of the basket wire tows are bundled and fixed by metal heads;
step two: the metal head is clamped by the metal head clamping assembly;
step three: overlapping each basket wire included in the basket wire bundle on the wire grooves of the shaping block from left to right respectively and bundling the basket wire bundle on the right side of the wire grooves;
step four: tightening the basket wire tows to the right, and clamping by using a wire clamping assembly;
step five: carrying out heat treatment on the basket wire tows and the forming tool together, wherein the heat treatment temperature is 500-600 ℃, and the heating time is 23-25 min;
step six: placing the thermally treated basket wire tows and the forming tool in water for cooling;
step seven: and taking out the cooled basket wire bundle and the forming tool, and loosening the wire clamping assembly and the metal head clamping assembly to obtain a finished product.
8. The method for forming a water drop shaped self-expanding basket according to claim 7, wherein: in the fifth step: the heat treatment equipment is a high-temperature air blast oven.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910183908.3A CN109877258B (en) | 2019-03-12 | 2019-03-12 | Externally-overlapped drop-shaped net basket forming tool and drop-shaped self-unfolding basket forming method |
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| CN201910183908.3A CN109877258B (en) | 2019-03-12 | 2019-03-12 | Externally-overlapped drop-shaped net basket forming tool and drop-shaped self-unfolding basket forming method |
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| CN109877258B true CN109877258B (en) | 2020-12-15 |
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| WO2002078632A2 (en) * | 2001-04-02 | 2002-10-10 | Acmi Corporation | Retrieval basket for a surgical device and system and method for manufacturing same |
| CN101912289B (en) * | 2010-08-25 | 2012-05-30 | 成正辉 | Thrombus excider and preparation method |
| CN207575198U (en) * | 2017-03-16 | 2018-07-06 | 江苏唯德康医疗科技有限公司 | Lithotomy net instrument |
| CN109303587A (en) * | 2018-08-24 | 2019-02-05 | 苏州瑞帆医疗科技有限公司 | A kind of encephalic takes pin device and its manufacturing method |
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