CN112522496B - Heat treatment clamp for vascular stent prefabrication molding - Google Patents
Heat treatment clamp for vascular stent prefabrication molding Download PDFInfo
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- CN112522496B CN112522496B CN202011418489.6A CN202011418489A CN112522496B CN 112522496 B CN112522496 B CN 112522496B CN 202011418489 A CN202011418489 A CN 202011418489A CN 112522496 B CN112522496 B CN 112522496B
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0068—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for particular articles not mentioned below
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Abstract
The invention discloses a heat treatment clamp for vascular stent prefabrication molding, which comprises a workbench, a first telescopic rod, a second telescopic rod, a first clamp part, a second clamp part, two stabilizing devices arranged on the workbench, a feeding device arranged on one side of the workbench, and two guiding devices arranged on two sides of the stabilizing devices, wherein the first telescopic rod is connected with the second telescopic rod through a connecting rod; the first clamp part comprises a first fixed column arranged on the first telescopic rod, a first connecting column arranged on the first fixed column, a first inclined part used for connecting the first fixed column and the first connecting column, and a threaded rod arranged on the first connecting column; the second clamp part comprises a second fixing column arranged on the second telescopic rod, a second connecting column arranged on the second fixing column, a second inclined part used for connecting the second fixing column and the second connecting column, and a threaded hole arranged on the second connecting column.
Description
Technical Field
The invention belongs to the field of clamps, and particularly relates to a heat treatment clamp for vascular stent prefabrication molding.
Background
The main material of the filament braided endovascular stent is nickel-titanium alloy, which is a shape memory alloy, and the shape memory alloy is subjected to shaping treatment in a high-temperature state, so that the shape can be memorized, and the specially designed shape can be still maintained at normal temperature or in the environment of body temperature implanted into a human body, thereby achieving the purpose of treatment.
When the intravascular stent is processed, the intravascular stent needs to be fixed through the clamp, when the intravascular stent is fixed by the existing clamp, the intravascular stent is easy to damage, and meanwhile, the two ends of the stent cannot be shaped into petal shapes, so that the effect of processing the intravascular stent is not facilitated.
Disclosure of Invention
The invention provides a heat treatment clamp for the blood vessel stent prefabricating and forming, which is used for overcoming the defects of the prior art and increasing the stability of the blood vessel stent during processing and can shape the two ends of the blood vessel stent into petal shapes at the two ends.
In order to achieve the purpose, the invention adopts the following technical scheme: a heat treatment clamp for vascular stent prefabrication molding comprises a workbench, a first telescopic rod arranged on the workbench, a second telescopic rod arranged on the workbench, a first clamp part arranged on the first telescopic rod, a second clamp part arranged on the second telescopic rod, two moving blocks respectively arranged at one end of the first telescopic rod and one end of the second telescopic rod, two moving tracks respectively arranged at two sides of the workbench, two stabilizing devices arranged on the workbench, a feeding device arranged at one side of the workbench and two guiding devices arranged at two sides of the stabilizing devices; the first clamp part comprises a first fixed column arranged on the first telescopic rod, a first connecting column arranged on the first fixed column, a first inclined part used for connecting the first fixed column and the first connecting column, and a threaded rod arranged on the first connecting column; the second clamp part comprises a second fixed column arranged on the second telescopic rod, a second connecting column arranged on the second fixed column, a second inclined part used for connecting the second fixed column and the second connecting column, and a threaded hole arranged on the second connecting column; the two stabilizing devices are identical in structure and are symmetrically arranged, the two guide devices are identical in structure and are symmetrically arranged, and the threaded rod and the threaded hole are arranged in a matched mode.
According to the invention, through the arrangement of the first clamp part and the second clamp part, when the intravascular stent needs to be fixed, the first connecting column and the second connecting column are driven to move by extending the first telescopic rod and the second telescopic rod, so that the first connecting column and the second connecting column penetrate into the central position of the cylindrical intravascular stent, then the threaded rod is contacted with the threaded hole, and the first connecting column and the second connecting column are fixed through the threaded rod and the threaded hole, so that the stability of the intravascular stent during fixing is increased, and meanwhile, in the subsequent intravascular stent processing process, the two ends of the intravascular stent can be helped to be shaped into petal shapes through the first inclined part and the second inclined part, and the convenience of the intravascular stent during shaping is increased.
The stabilizing device comprises a stabilizing sleeve and two driving components which are arranged on two sides of the workbench and used for connecting the stabilizing sleeve and the workbench; the driving assembly comprises a driving rail arranged on the workbench, a driving block arranged on the driving rail, a third telescopic rod used for connecting the driving block and the stabilizing sleeve, and a first elastic piece arranged in the third telescopic rod; when the two stabilizing sleeves in the two stabilizing devices are closed, the two stabilizing sleeves are in a circular structure, the two driving assemblies are in the same structure and are symmetrically arranged, the driving block can move relative to the driving track, and the third telescopic rod can rotate relative to the driving block; through the arrangement of the stabilizing sleeve and the third telescopic rod, when a vascular stent needs to be placed into the stabilizing sleeve, one of the driving tracks is started to drive the driving block to move, so that the driving block drives the third telescopic rod to move in the moving process, and meanwhile, in the moving process of the third telescopic rod, as one end of the third telescopic rod is connected to the stabilizing sleeve, the third telescopic rod can contract in the moving process and simultaneously drive one end of the stabilizing sleeve to turn upwards or downwards, so that the two stabilizing sleeves are changed from a circular structure to a 3-shaped structure, the vascular stent can be conveniently moved from the outside to enter between the two stabilizing sleeves, and meanwhile, through the two symmetrically arranged driving components, when the vascular stent in the stabilizing sleeve needs to be taken from the other side of loading, the stabilizing sleeve can be driven to be reversely opened through the other group of driving components, the loading and the material taking process of the blood vessel support are facilitated.
The driving assembly further comprises a guide rail arranged on the stabilizing sleeve, a guide block arranged on the guide rail, a first fixing ring arranged on the stabilizing sleeve, a second fixing ring arranged on the stabilizing sleeve in the other stabilizing device, a fixing rod arranged on the first fixing ring in a penetrating manner, and a second elastic piece used for connecting the fixing rod and the first fixing ring; the third telescopic rod can rotate relative to the guide block, the guide block can move relative to the guide track, the fixed rod can move relative to the first fixed ring, the fixed rod and the second fixed ring are arranged in a matched mode, and one end of the guide block is arranged in an inclined structure; through the setting of guide block, when the third telescopic link rotates under the drive of drive block, at first can drive the guide block and remove along the guide track, after the guide block has removed the appointed distance, when the guide block can't continue to remove along the guide track, the third telescopic link continues to remove and just can drive the stable cover and overturn, simultaneously when the guide block removes, the guide block can contact the one end of dead lever, and drive the dead lever through the slope structure of guide block one end and remove along first solid fixed ring, make the dead lever penetrate in the second solid fixed ring when removing, and through the mutual spacing fixing of dead lever with first solid fixed ring and second solid fixed ring, when driving the stable cover at the third telescopic link and rotating afterwards, can be through the fixed action of dead lever, make the one end of two stable covers be the fixed state, avoided two stable covers to appear mutually misplacing and the stable cover that leads to can's unable upset and put into its vascular support into of mutual dislocation and putting into it at the in-process of upset The stability of the stabilizing sleeve in the rotating process is improved.
The driving assembly further comprises a first connecting wire, an arc-shaped groove, an arc-shaped sheet, two baffle plates, two third elastic pieces and a through hole, wherein the first connecting wire is used for connecting the third telescopic rod with the driving track and penetrates through the driving block; the first connecting line can move relative to the driving block, the arc-shaped sheet is made of elastic materials, and the first connecting line and the through hole are arranged in a matched mode; through the arrangement of the first connecting line, when the driving block drives the third telescopic rod to move, one end of the first connecting line is connected to the driving track, and when the third telescopic rod moves, the third telescopic rod can be pulled through the first connecting line, so that the third telescopic rod is contracted under the pulling action of the first connecting line, the problem that the inclination angle between the third telescopic rod and the stabilizing sleeve is not contracted due to the fact that the third telescopic rod is not contracted is avoided, the problem that the stabilizing sleeve cannot be opened due to the problem that the inclination angle between the third telescopic rod and the stabilizing sleeve is caused is further avoided, and the stability of the stabilizing sleeve when the stabilizing sleeve is opened is improved; through the setting of arc piece, when third telescopic link and drive block during rotation each other, first connecting wire can remove in the arc wall, can lead to first connecting wire through arc piece and perforation this moment, has increased the connection stability of first connecting wire between drive block and the third telescopic link, through the reset effect of two third elastic components to the arc piece simultaneously, has increased the cooperation effect between arc piece and the first connecting wire.
The feeding device comprises a fourth telescopic rod, a feeding frame arranged on the fourth telescopic rod and two feeding assemblies arranged on the feeding frame; the feeding assembly comprises a first feeding block arranged on the feeding frame, a second feeding block arranged on the feeding frame, a rotating block arranged on the first feeding block, a rotating shaft arranged on the rotating block, a guide rod arranged at one end of the rotating shaft, a first guide ring arranged on the guide rod, a second guide ring arranged on the first guide ring, a moving ring arranged on a third telescopic rod in one of the two driving assemblies, a notch arranged on one side of the moving ring, a second hook arranged on the moving ring, and a first hook arranged on the third telescopic rod in one of the two driving assemblies; the two feeding assemblies are identical in structure and symmetrically arranged, the first feeding block and the second feeding block are in an annular structure when closed, a torsion spring is arranged in the first feeding block, one end of the torsion spring is connected to the first feeding block, the other end of the torsion spring is connected to the feeding frame, a torsion spring is arranged in the second feeding block, one end of the torsion spring is connected to the second feeding block, the other end of the torsion spring is connected to the feeding frame, the rotating shaft can rotate relative to the rotating block, the moving ring can move relative to the third telescopic rod, the second hook and the second guide ring are arranged in a matched mode, and the first hook and the first guide ring are arranged in a matched mode; through the arrangement of the first hook and the second hook, when the blood vessel support needs to be fed, the fourth telescopic rod is extended to drive the feeding assembly to move to the position of the stabilizing sleeve, the second guide ring is driven to contact with the second hook in the moving process, then the third telescopic rod is driven by the driving block to move and contract simultaneously, so that the second hook moves along the third telescopic rod under the driving of the third telescopic rod, meanwhile, the second hook hooks the second guide ring and drives the second guide ring to move, the guide rod and the rotating shaft pull the first feeding block to rotate, further, the blood vessel support clamped by the first feeding block and the second feeding block can be placed between the stabilizing sleeves, after the third telescopic rod contracts, the first guide ring can contact with the position of the first hook, the first hook hooks the first guide ring, and then the driving block resets to drive the stabilizing sleeve to be closed, the fourth telescopic link contracts simultaneously, at the in-process that the fourth telescopic link contracts, because first guide ring still hangs in first couple department, make first material loading piece can't restore to the throne and close, simultaneously through the torsional spring setting in the second material loading piece, make first material loading piece and second material loading piece can break away from the intravascular stent of stabilizing cover department under the drive of fourth telescopic link, the condition of destroying intravascular stent when first material loading piece and the second material loading piece that has avoided first material loading piece and second material loading piece to grasp intravascular stent always and lead to restore to the throne has increased the security of material loading process.
The feeding assembly further comprises a plurality of gear teeth arranged at one end of the rotating shaft, a sleeve ring arranged on the rotating block, a plurality of rotating teeth arranged on the sleeve ring, an adjusting ring arranged on the sleeve ring, a plurality of second connecting wires respectively used for connecting the plurality of rotating teeth and the adjusting ring, and a plurality of fourth elastic pieces used for connecting the adjusting ring and the sleeve ring; the gear teeth and the rotating teeth are arranged in a matched mode, the rotating teeth can rotate relative to the lantern ring, a torsion spring is arranged in the rotating teeth, one end of the torsion spring is connected to the rotating teeth, the other end of the torsion spring is connected to the lantern ring, and the adjusting ring can move relative to the lantern ring; through the arrangement of the rotating teeth, when the rotating shaft is driven by the third telescopic rod to rotate, the gear teeth on the rotating shaft push the rotating teeth to rotate, so that the rotating teeth and the gear teeth are not interfered with each other, when the fourth telescopic rod is retracted and reset, in order to prevent the situation that the first feeding block and the second feeding block are covered again due to the reset rotation of the rotating shaft, when the rotating shaft drives the gear teeth to rotate reversely, the gear teeth and the rotating teeth are in contact with each other and interfere with each other, so that the gear teeth cannot continue to rotate, and the stability of the first feeding block when the first feeding block is opened is further improved; when needs reset the axis of rotation, promote the adjustable ring and remove for a plurality of second connecting wires of pulling when the adjustable ring removes, and drive through the second connecting wire and rotate the tooth and rotate, thereby make and rotate and break away from each other between tooth and the teeth of a cogwheel, and made things convenient for the operation that resets of axis of rotation.
The guide device comprises a connecting frame arranged on the workbench, a first guide block arranged on the connecting frame, a second guide block arranged on the connecting frame, a clamping groove arranged on the first guide block, a support plate arranged on the second guide block, a clamping plate arranged on the second guide block, a fifth elastic part used for connecting the clamping plate and the support plate, and a plurality of vertical plates arranged on the first connecting column and the second connecting column; the first guide block can rotate relative to the connecting frame, the clamping plate and the clamping groove are arranged in a matched mode, the clamping groove is of an L-shaped structure, one side of the clamping groove is of an arc-shaped structure, the vertical plate and the clamping groove are arranged in a matched mode, and the clamping plate can rotate relative to the second guide block; through the arrangement of the clamping plate, when the first connecting column or the second connecting column is close to each other, the first guide block and the second guide block can be fixedly connected through the clamping plate and the clamping groove, so that the first connecting column and the second connecting column can be guided through the closed first guide block and the closed second guide block in the moving process, and the matching accuracy between the first connecting column and the second connecting column is improved; through the arrangement of the vertical plate, after the first connecting column and the second connecting column are contacted with each other, the vertical plate can be contacted with the position of the clamping plate, the clamping plate is pushed through the vertical plate, the clamping plate is enabled to rotate relative to the second guide block, and further the clamping states of the clamping plate and the clamping groove are enabled to be mutually separated, so that the first guide block and the second guide block can be mutually separated; through the arc structure setting of draw-in groove one side, when first spliced pole and second spliced pole are removing and push away first guide block, can break away from each other through the position help riser and the draw-in groove of arc structure, avoided the riser card in the draw-in groove and the unable condition of opening completely of first guide block that leads to, stability and security when having increased equipment usage.
The guide device also comprises a first flaring assembly arranged on the first guide block and a second flaring assembly arranged on the second guide block; the first flaring assembly comprises a rotating groove arranged on the first guide block, a moving groove arranged on one side of the rotating groove, a push plate arranged on the moving groove, a plurality of sixth elastic pieces used for connecting the push plate and the first guide block, a turning plate arranged on one side of the push plate, a rotating sheet arranged on the rotating groove, two rotating shifting sheets arranged on the rotating sheet and three limiting frames arranged on the first guide block; the first flaring assembly and the second flaring assembly are identical in structure and are symmetrically arranged, the push plate can move relative to the moving groove, the push plate and the rotating piece are in threaded connection, the turning plate can rotate relative to the push plate, a torsion spring is arranged in the turning plate, one end of the torsion spring is connected to the turning plate, the other end of the torsion spring is connected to the push plate, the rotating piece can rotate relative to the moving groove, the rotating shifting piece can rotate relative to the rotating piece, a torsion spring is arranged in the rotating shifting piece, one end of the torsion spring is connected to the rotating shifting piece, the other end of the torsion spring is connected to the rotating piece, and the rotating shifting piece and the limiting frame are arranged in a matching manner; through the arrangement of the rotating shifting piece, when the first connecting column and the second connecting column pass through the first guide block and the second guide block to move, one end of the first connecting column and one end of the second connecting column contact the turning plate, and the turning plate drives the push plate to move, so that the threaded connection between the rotating piece and the push plate drives the rotating piece to rotate along the rotating groove, and further drives the rotating shifting piece to move, when the rotating shifting piece moves, the rotating shifting piece is separated from the limiting effect of the limiting frame, so that the rotating shifting piece is in a popup state under the driving of the torsion spring, and the opening positions at the two ends of the vascular stent are flared through the rotating shifting piece in the popup state, thereby helping the first connecting column and the second connecting column to smoothly penetrate into the vascular stent when the two ends of the vascular stent are penetrated, and avoiding the condition that the first connecting column and the second connecting column cannot penetrate into the vascular stent due to uneven or insufficient large openings at the two ends of the vascular stent, the stability and the accuracy of the first connecting column and the second connecting column in use are improved; through the arrangement of the three limiting frames, when the rotating sheets rotate to the other end along the rotating groove, the two rotating shifting sheets can contact the position of the limiting frame again, so that the rotating shifting sheets are folded again under the limiting of the limiting frame, the condition that the subsequent intravascular stent moves outwards and interferes with the rotating shifting sheets is avoided, and the stability and the safety of the device in use are improved; through the setting that turns over the board, remove to the stroke end after when the push pedal under the promotion of first spliced pole and second spliced pole, because first spliced pole and second spliced pole can continue to remove, first spliced pole and second spliced pole can promote to turn over the board and overturn this moment, have avoided turning over and have produced between board and first spliced pole and the second spliced pole and interfere and the damaged condition appears in the equipment spare part that leads to, have increased the life of equipment.
The guide device also comprises a guide table arranged on the first guide block, an inclined block arranged on the guide table, a rotating plate arranged on the inclined block and a groove arranged between the rotating plate and the inclined block; one side of the guide table is obliquely arranged, the inclined block can move relative to the guide table, the rotating plate can rotate relative to the inclined block, a torsion spring is arranged in the rotating plate, one end of the torsion spring is connected to the rotating plate, the other end of the torsion spring is connected to the inclined block, the vertical plate and the groove are arranged in a matched mode, a spring is arranged in the guide table and used for resetting the inclined block; through the setting of slope piece, before the cardboard is contacted to the riser, the riser that is located first spliced pole upside can contact earlier and block into in the recess, when first spliced pole continues to remove afterwards, the slope piece is driven and removes along the guide table, and then drive first connecting axle through the guide table and the slope piece of slope and rotate, the second connecting axle is opposite rotation at opposite side and first connecting axle simultaneously, make threaded rod and screw hole on first connecting axle and the second connecting axle screw up each other, convenience when having improved first connecting axle and the connection of second connecting axle.
In summary, the invention has the following advantages: the stability of the intravascular stent during processing is improved, and the two ends of the intravascular stent can be shaped into petal shapes.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a partial enlarged view of the invention at a in fig. 1.
Fig. 3 is a partial enlarged view of the invention at B in fig. 1.
Fig. 4 is a partial enlarged view of the invention at a in fig. 3.
Fig. 5 is a partial enlarged view of the invention at C in fig. 1.
Fig. 6 is a partial enlarged view of the invention at D in fig. 1.
Fig. 7 is a front view of the present invention.
Fig. 8 is a cross-sectional view taken along line a-a of fig. 7 in accordance with the present invention.
Fig. 9 is a partial enlarged view of the invention at a in fig. 8.
Fig. 10 is an enlarged view of a portion a of fig. 9 according to the present invention.
Fig. 11 is a partial enlarged view of the invention at B in fig. 9.
Fig. 12 is an enlarged view of a portion of the invention at C in fig. 9.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.
As shown in fig. 1 to 12, a heat treatment fixture for intravascular stent preform molding comprises a workbench 1, a first telescopic rod 11 disposed on the workbench, a second telescopic rod 12 disposed on the workbench, a first fixture part disposed on the first telescopic rod, a second fixture part disposed on the second telescopic rod, two moving blocks 13 disposed at one end of the first telescopic rod and one end of the second telescopic rod respectively, two moving rails 14 disposed at two sides of the workbench respectively, two stabilizing devices 2 disposed on the workbench, a feeding device 3 disposed at one side of the workbench, and two guiding devices 4 disposed at two sides of the stabilizing devices; the first telescopic link with the second telescopic link is the gas pole that the air pump drove, the removal track is electronic track.
The first clamp part comprises a first fixed column 15 arranged on the first telescopic rod, a first connecting column 16 arranged on the first fixed column, a first inclined part 17 used for connecting the first fixed column and the first connecting column, and a threaded rod 18 arranged on the first connecting column; the second clamp part comprises a second fixed column 19 arranged on the second telescopic rod, a second connecting column 10 arranged on the second fixed column, a second inclined part 101 used for connecting the second fixed column and the second connecting column, and a threaded hole 102 arranged on the second connecting column; the two stabilizing devices are identical in structure and are symmetrically arranged, the two guide devices are identical in structure and are symmetrically arranged, and the threaded rod and the threaded hole are arranged in a matched mode.
The stabilizing device 2 comprises a stabilizing sleeve 21 and two driving components which are arranged on two sides of the workbench and used for connecting the stabilizing sleeve and the workbench; the driving assembly comprises a driving rail 22 arranged on the workbench, a driving block 23 arranged on the driving rail, a third telescopic rod 24 used for connecting the driving block and the stabilizing sleeve, and a first elastic piece 25 arranged in the third telescopic rod; when the two stabilizing sleeves in the two stabilizing devices are closed, the two stabilizing sleeves are in a circular structure, the two driving assemblies are in the same structure and are symmetrically arranged, the driving block can move relative to the driving track, and the third telescopic rod can rotate relative to the driving block; the driving rail is an electric rail, and the first elastic piece is a spring.
The driving assembly further comprises a guide rail 26 arranged on the stabilizing sleeve, a guide block 27 arranged on the guide rail, a first fixing ring 28 arranged on the stabilizing sleeve, a second fixing ring 29 arranged on the stabilizing sleeve in another stabilizing device, a fixing rod 20 arranged on the first fixing ring in a penetrating manner, and a second elastic member 201 for connecting the fixing rod and the first fixing ring; the third telescopic rod can rotate relative to the guide block, the guide block can move relative to the guide track, the fixed rod can move relative to the first fixed ring, the fixed rod can penetrate into the second fixed ring, and one end of the guide block is arranged in an inclined structure; the second elastic piece is a spring; lubricating oil is coated in the guide rail, so that the guide block can conveniently move relative to the guide rail; still be equipped with a plurality of anticollision grooves on the stable cover, a plurality of anticollision grooves respectively with the solid corresponding setting of the solid fixed ring of first solid fixed ring and second for when the stable cover rotates, the solid fixed ring of first solid fixed ring and second can not produce with the stable cover and interfere, and then avoided the solid fixed ring of first solid fixed ring and second to interfere the stable cover and the unable safe pivoted condition of stable cover that leads to.
The driving assembly further comprises a first connecting line 202 used for connecting the third telescopic rod with the driving track and penetrating the driving block, an arc-shaped groove 203 arranged at one end of the third telescopic rod, an arc-shaped sheet 204 arranged on the arc-shaped groove, two baffles 205 arranged at two sides of the arc-shaped groove, two third elastic members 206 respectively used for connecting the two baffles with the arc-shaped sheet, and a through hole 207 arranged on the arc-shaped sheet; the first connecting line can move relative to the driving block, the arc-shaped sheet is made of rubber, and the first connecting line can move through the through hole; the first connecting line is a steel wire, and the third elastic piece is a spring.
The feeding device 3 comprises a fourth telescopic rod 31, a feeding frame 32 arranged on the fourth telescopic rod, and two feeding components arranged on the feeding frame; the feeding assembly comprises a first feeding block 33 arranged on the feeding frame, a second feeding block 34 arranged on the feeding frame, a rotating block 35 arranged on the first feeding block, a rotating shaft 36 arranged on the rotating block, a guide rod 37 arranged at one end of the rotating shaft, a first guide ring 38 arranged on the guide rod, a second guide ring 39 arranged on the first guide ring, a moving ring 30 arranged on a third telescopic rod in one of the two driving assemblies, a slot 301 arranged on one side of the moving ring, a second hook 302 arranged on the moving ring, and a first hook 303 arranged on the third telescopic rod in one of the two driving assemblies; the two feeding assemblies are identical in structure and symmetrically arranged, the first feeding block and the second feeding block are in an annular structure when closed, a torsion spring is arranged in the first feeding block, one end of the torsion spring is connected to the first feeding block, the other end of the torsion spring is connected to the feeding frame, a torsion spring is arranged in the second feeding block, one end of the torsion spring is connected to the second feeding block, the other end of the torsion spring is connected to the feeding frame, the rotating shaft can rotate relative to the rotating block, the moving ring can move relative to the third telescopic rod, the second hook can hook the second guide ring, and the first hook can hook the first guide ring; the fourth telescopic rod is an air rod driven by an air pump; the guide rod is the telescopic link, and inside is equipped with the spring, when needs are elongated or shrink guide rod, can change the guide rod through the cooperation of spring and telescopic link, has avoided the too big and guide rod that leads to of power that the guide rod received to appear damaged condition.
The feeding assembly further comprises a plurality of gear teeth 304 arranged at one end of the rotating shaft, a collar 305 arranged on the rotating block, a plurality of rotating teeth 306 arranged on the collar, an adjusting ring 307 arranged on the collar, a plurality of second connecting lines 308 respectively used for connecting the plurality of rotating teeth and the adjusting ring, and a plurality of fourth elastic pieces 309 used for connecting the adjusting ring and the collar; the gear teeth and the rotating teeth are arranged in a matched mode, the rotating teeth can rotate relative to the lantern ring, a torsion spring is arranged in the rotating teeth, one end of the torsion spring is connected to the rotating teeth, the other end of the torsion spring is connected to the lantern ring, and the adjusting ring can move relative to the lantern ring; the second connecting wire is a steel wire, and the fourth elastic piece is a spring.
The guide device 4 comprises a connecting frame 41 arranged on the workbench, a first guide block 42 arranged on the connecting frame, a second guide block 43 arranged on the connecting frame, a clamping groove 44 arranged on the first guide block, a support plate 45 arranged on the second guide block, a clamping plate 46 arranged on the second guide block, a fifth elastic member 47 used for connecting the clamping plate and the support plate, and a plurality of vertical plates 48 arranged on the first connecting column and the second connecting column; the first guide block can rotate relative to the connecting frame, the clamping plate can be buckled into the clamping groove, the clamping groove is of an L-shaped structure, one side of the clamping groove is of an arc-shaped structure, the vertical plate can be inserted into the clamping groove, and the clamping plate can rotate relative to the second guide block; the fifth elastic element is a spring.
The guide device 4 further comprises a first flaring assembly arranged on the first guide block and a second flaring assembly arranged on the second guide block; the first flaring assembly comprises a rotating groove 49 arranged on the first guide block, a moving groove 40 arranged on one side of the rotating groove, a push plate 401 arranged on the moving groove, a plurality of sixth elastic pieces 402 used for connecting the push plate and the first guide block, a turning plate 403 arranged on one side of the push plate, a rotating sheet 404 arranged on the rotating groove, two rotating poking sheets 405 arranged on the rotating sheet, and three limiting frames 406 arranged on the first guide block; the first flaring assembly and the second flaring assembly are identical in structure and symmetrically arranged, the push plate can move relative to the moving groove, the push plate and the rotating sheet are in threaded connection, the turning plate can rotate relative to the push plate, a torsion spring is arranged in the turning plate, one end of the torsion spring is connected to the turning plate, the other end of the torsion spring is connected to the push plate, the rotating sheet can rotate relative to the moving groove, the rotating shifting sheet can rotate relative to the rotating sheet, a torsion spring is arranged in the rotating shifting sheet, one end of the torsion spring is connected to the rotating shifting sheet, the other end of the torsion spring is connected to the rotating sheet, and the rotating shifting sheet can be turned over and folded through the limiting frame; the sixth elastic member is a spring.
The guiding device 4 further comprises a guiding table 407 arranged on the first guiding block, an inclined block 408 arranged on the guiding table, a rotating plate 409 arranged on the inclined block, and a groove 410 arranged between the rotating plate and the inclined block; one side of guide platform is the slope setting, the piece that inclines can for the guide platform removes, the rotor plate can for the piece that inclines rotates, be equipped with the torsional spring in the rotor plate, torsional spring one end connect in on the rotor plate, the torsional spring other end connect in on the piece that inclines, the riser can be inserted in the recess, be equipped with the spring in the guide platform, the spring is used for reseing the piece that inclines.
The specific working principle is as follows: when the blood vessel support needs to be loaded, the fourth telescopic rod 31 is extended to drive the loading assembly to move to the position of the stabilizing sleeve 21, and drive the second guide ring 39 to contact with the second hook 302 in the moving process, then the third telescopic rod 24 is driven by the driving block 23 to move and contract, so that the second hook 302 moves along the third telescopic rod 24 under the driving of the third telescopic rod 24, meanwhile, the second hook 302 hooks the second guide ring 39 and drives the second guide ring 39 to move, so that the guide rod 37 and the rotating shaft 36 pull the first loading block 33 to rotate, further, the blood vessel support clamped by the first loading block 33 and the second loading block 34 can be placed between the stabilizing sleeve 21, after the third telescopic rod 24 contracts, the first guide ring 38 contacts with the position of the first hook 303, and hooks the first hook 303, then, the driving block 23 resets to drive the stabilizing sleeve 21 to close, and simultaneously, the fourth telescopic rod 31 contracts, in the process of contracting the fourth telescopic rod 31, as the first guide ring 38 is hung at the first hook 303, the first upper material block 33 cannot be reset to close, and meanwhile, the first upper material block 33 and the second upper material block 34 can be driven by the fourth telescopic rod 31 to separate from the vascular stent at the stabilizing sleeve 21 through the torsion spring arrangement in the second upper material block 34; when the intravascular stent needs to be placed into the stabilizing sleeve 21, one of the driving rails 22 is started to drive the driving block 23 to move, so that the driving block 23 drives the third telescopic rod 24 to move in the moving process, and meanwhile, in the moving process of the third telescopic rod 24, because one end of the third telescopic rod 24 is connected to the stabilizing sleeve 21, the third telescopic rod 24 can contract in the moving process and simultaneously drive one end of the stabilizing sleeve 21 to turn upwards or downwards, so that the two stabilizing sleeves 21 are changed from a circular structure to a 3-shaped structure, and the intravascular stent is convenient to move from the outside and enter between the two stabilizing sleeves 21; when the first connecting column 16 and the second connecting column 10 approach each other, the first guide block 42 and the second guide block 43 are fixedly connected through the clamping plate 46 and the clamping groove 44, so that the first connecting column 16 and the second connecting column 10 can be guided by the closed first guide block 42 and the closed second guide block 43 in the moving process, and the matching accuracy between the first connecting column 16 and the second connecting column 10 is improved; after first spliced pole 16 and second spliced pole 10 contacted each other, riser 48 can contact the position of cardboard 46, and promote cardboard 46 through riser 48, make cardboard 46 rotate for second guide block 43, and then make the joint state of cardboard 46 and draw-in groove 44 break away from each other, thereby make first guide block 42 and second guide block 43 can break away from each other, when follow-up needs take out first anchor clamps part and second anchor clamps part together with the vascular support, can drive movable block 13 through starting moving track 14 and move, make first anchor clamps part and second anchor clamps part move to one side of workstation 1 under the drive of movable block 13, push away first guide block 42 at the in-process that first spliced pole 16 and second spliced pole 10 removed simultaneously, the material process of vascular support has been made things convenient for.
It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Claims (6)
1. A heat treatment clamp for vascular stent prefabrication molding comprises a workbench (1), a first telescopic rod (11) arranged on the workbench, a second telescopic rod (12) arranged on the workbench, a first clamp part arranged on the first telescopic rod, a second clamp part arranged on the second telescopic rod, two moving blocks (13) respectively arranged at one end of the first telescopic rod and one end of the second telescopic rod, two moving tracks (14) respectively arranged at two sides of the workbench, two stabilizing devices (2) arranged on the workbench, a feeding device (3) arranged at one side of the workbench, and two guiding devices (4) arranged at two sides of the stabilizing devices; the method is characterized in that: the first clamp part comprises a first fixing column (15) arranged on the first telescopic rod, a first connecting column (16) arranged on the first fixing column, a first inclined part (17) used for connecting the first fixing column and the first connecting column, and a threaded rod (18) arranged on the first connecting column; the second clamp component comprises a second fixed column (19) arranged on the second telescopic rod, a second connecting column (10) arranged on the second fixed column, a second inclined part (101) used for connecting the second fixed column and the second connecting column, and a threaded hole (102) arranged on the second connecting column; the two stabilizing devices are identical in structure and are symmetrically arranged, the two guide devices are identical in structure and are symmetrically arranged, and the threaded rod and the threaded hole are arranged in a matched mode;
the guide device (4) comprises a connecting frame (41) arranged on the workbench, a first guide block (42) arranged on the connecting frame, a second guide block (43) arranged on the connecting frame, a clamping groove (44) arranged on the first guide block, a support plate (45) arranged on the second guide block, a clamping plate (46) arranged on the second guide block, a fifth elastic part (47) used for connecting the clamping plate and the support plate, and a plurality of vertical plates (48) arranged on the first connecting column and the second connecting column; the first guide block can rotate relative to the connecting frame, the clamping plate and the clamping groove are arranged in a matched mode, the clamping groove is of an L-shaped structure, one side of the clamping groove is of an arc-shaped structure, the vertical plate and the clamping groove are arranged in a matched mode, and the clamping plate can rotate relative to the second guide block;
the guide device (4) further comprises a first flaring assembly arranged on the first guide block and a second flaring assembly arranged on the second guide block; the first flaring assembly comprises a rotating groove (49) arranged on the first guide block, a moving groove (40) arranged on one side of the rotating groove, a push plate (401) arranged on the moving groove, a plurality of sixth elastic pieces (402) used for connecting the push plate and the first guide block, a turning plate (403) arranged on one side of the push plate, a rotating sheet (404) arranged on the rotating groove, two rotating shifting sheets (405) arranged on the rotating sheet and three limiting frames (406) arranged on the first guide block; the first flaring assembly and the second flaring assembly are identical in structure and are symmetrically arranged, the push plate can move relative to the moving groove, the push plate and the rotating piece are in threaded connection, the turning plate can rotate relative to the push plate, a torsion spring is arranged in the turning plate, one end of the torsion spring is connected to the turning plate, the other end of the torsion spring is connected to the push plate, the rotating piece can rotate relative to the moving groove, the rotating shifting piece can rotate relative to the rotating piece, a torsion spring is arranged in the rotating shifting piece, one end of the torsion spring is connected to the rotating shifting piece, the other end of the torsion spring is connected to the rotating piece, and the rotating shifting piece and the limiting frame are arranged in a matching manner;
the guide device (4) further comprises a guide table (407) arranged on the first guide block, an inclined block (408) arranged on the guide table, a rotating plate (409) arranged on the inclined block, and a groove (410) arranged between the rotating plate and the inclined block; one side of guide platform is the slope setting, the piece that inclines can for the guide platform removes, the rotor plate can for the piece that inclines rotates, be equipped with the torsional spring in the rotor plate, torsional spring one end connect in on the rotor plate, the torsional spring other end connect in on the piece that inclines, the riser with the recess is the cooperation setting, be equipped with the spring in the guide platform, the spring is used for reseing the piece that inclines.
2. The heat treatment fixture for vascular stent preforming as claimed in claim 1, wherein: the stabilizing device (2) comprises a stabilizing sleeve (21) and two driving components which are arranged on two sides of the workbench and used for connecting the stabilizing sleeve and the workbench; the driving assembly comprises a driving rail (22) arranged on the workbench, a driving block (23) arranged on the driving rail, a third telescopic rod (24) used for connecting the driving block and the stabilizing sleeve, and a first elastic piece (25) arranged in the third telescopic rod; two stable cover when closing in two stabilising arrangement are circular structure, two drive assembly structures are the same and be the symmetry setting, the driving block can for the drive track removes, the third telescopic link can for the driving block rotates.
3. The heat treatment fixture for vascular stent preforming as claimed in claim 2, wherein: the driving assembly further comprises a guide rail (26) arranged on the stabilizing sleeve, a guide block (27) arranged on the guide rail, a first fixing ring (28) arranged on the stabilizing sleeve, a second fixing ring (29) arranged on the stabilizing sleeve in the other stabilizing device, a fixing rod (20) arranged on the first fixing ring in a penetrating manner, and a second elastic piece (201) used for connecting the fixing rod and the first fixing ring; the third telescopic link can for the guide block rotates, the guide block can for the guide track removes, the dead lever can for first solid fixed ring removes, the dead lever with the solid fixed ring of second is the cooperation setting, the one end of guide block is the slope structure setting.
4. The heat treatment fixture for vascular stent preforming as claimed in claim 2, wherein: the driving assembly further comprises a first connecting line (202) which is used for connecting the third telescopic rod with the driving track and penetrates through the driving block, an arc-shaped groove (203) which is formed at one end of the third telescopic rod, an arc-shaped sheet (204) which is formed on the arc-shaped groove, two baffles (205) which are arranged on two sides of the arc-shaped groove, two third elastic pieces (206) which are respectively used for connecting the two baffles with the arc-shaped sheet, and a through hole (207) which is formed in the arc-shaped sheet; the first connecting line can move relative to the driving block, the arc-shaped sheet is made of elastic materials, and the first connecting line and the through hole are arranged in a matched mode.
5. The heat treatment fixture for vascular stent preforming as claimed in claim 2, wherein: the feeding device (3) comprises a fourth telescopic rod (31), a feeding frame (32) arranged on the fourth telescopic rod, and two feeding assemblies arranged on the feeding frame; the feeding assembly comprises a first feeding block (33) arranged on the feeding frame, a second feeding block (34) arranged on the feeding frame, a rotating block (35) arranged on the first feeding block, a rotating shaft (36) arranged on the rotating block, a guide rod (37) arranged at one end of the rotating shaft, a first guide ring (38) arranged on the guide rod, a second guide ring (39) arranged on the first guide ring, a moving ring (30) arranged on a third telescopic rod in one of the two driving assemblies, a notch (301) arranged on one side of the moving ring, a second hook (302) arranged on the moving ring, and a first hook (303) arranged on the third telescopic rod in one of the two driving assemblies; two material loading subassembly structures are the same and are the symmetry setting, first material loading piece with be the loop configuration when second material loading piece is closed, be equipped with the torsional spring in the first material loading piece, torsional spring one end connect in on the first material loading piece, the torsional spring other end connect in on the material loading frame, be equipped with the torsional spring in the second material loading piece, torsional spring one end connect in on the second material loading piece, the torsional spring other end connect in on the material loading frame, the axis of rotation can for the turning block rotates, the shift ring can for the third telescopic link removes, the second couple with the second guide ring is the cooperation setting, first couple with first guide ring is the cooperation setting.
6. The heat treatment fixture for vascular stent preforming as claimed in claim 5, wherein: the feeding assembly further comprises a plurality of gear teeth (304) arranged at one end of the rotating shaft, a lantern ring (305) arranged on the rotating block, a plurality of rotating teeth (306) arranged on the lantern ring, an adjusting ring (307) arranged on the lantern ring, a plurality of second connecting lines (308) respectively used for connecting the plurality of rotating teeth and the adjusting ring, and a plurality of fourth elastic pieces (309) used for connecting the adjusting ring and the lantern ring; the teeth of a cogwheel with it sets up to rotate the tooth and be the cooperation, it can for rotate to rotate the tooth the lantern ring rotates, be equipped with the torsional spring in the rotation tooth, torsional spring one end connect in rotate on the tooth, the torsional spring other end connect in on the lantern ring, the adjustable ring can for the lantern ring removes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011418489.6A CN112522496B (en) | 2020-12-07 | 2020-12-07 | Heat treatment clamp for vascular stent prefabrication molding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011418489.6A CN112522496B (en) | 2020-12-07 | 2020-12-07 | Heat treatment clamp for vascular stent prefabrication molding |
Publications (2)
| Publication Number | Publication Date |
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| CN112522496A CN112522496A (en) | 2021-03-19 |
| CN112522496B true CN112522496B (en) | 2021-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011418489.6A Active CN112522496B (en) | 2020-12-07 | 2020-12-07 | Heat treatment clamp for vascular stent prefabrication molding |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113857399A (en) * | 2021-09-14 | 2021-12-31 | 北京永益润成科技有限公司 | Blood vessel support heat setting positioner |
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| US5733303A (en) * | 1994-03-17 | 1998-03-31 | Medinol Ltd. | Flexible expandable stent |
| GB2344053A (en) * | 1998-11-30 | 2000-05-31 | Imperial College | Stents for blood vessels |
| US7470282B2 (en) * | 2003-06-30 | 2008-12-30 | Boston Scientific Scimed, Inc. | Stent grip and system for use therewith |
| CN1911188B (en) * | 2005-08-09 | 2010-10-13 | 微创医疗器械(上海)有限公司 | Stent prosthesis used for surgical operation, and delivery device therefor |
| EP3536282A1 (en) * | 2011-03-23 | 2019-09-11 | Daidalos Solutions B.V. | Medical instrument, ring prosthesis, stent and stented valve |
| CN105943213B (en) * | 2015-12-23 | 2019-01-04 | 微创心脉医疗科技（上海）有限公司 | Stent delivery system and its application method |
| CN106726001B (en) * | 2017-01-06 | 2019-01-25 | 北京华脉泰科医疗器械有限公司 | Exempt to suture stent-graft and its conveying device, identical retaining ring |
| CN107496050B (en) * | 2017-07-10 | 2019-08-20 | 孟庆燕 | A kind of amorphous alloy intravascular stent manufacturing equipment |
| CN108060295A (en) * | 2017-12-18 | 2018-05-22 | 郑州赫恩电子信息技术有限公司 | A kind of petrochemical pipe is heat-treated clamping device |
| CN207949948U (en) * | 2018-01-16 | 2018-10-12 | 闫学强 | A kind of cranium brain channel location mechanism and positioning device applied on overlay film frame |
| CN111388153A (en) * | 2018-12-28 | 2020-07-10 | 王海龙 | Self-control area membrane support auxiliary device |
| CN210413293U (en) * | 2019-06-10 | 2020-04-28 | 常州市佳杰医疗器械有限公司 | Welding fixture for producing special-shaped scalpel |
| CN211884462U (en) * | 2020-03-12 | 2020-11-10 | 潍坊医学院 | Pipeline fixed bolster in cardiovascular surgery is with external circulation |
| CN111419470B (en) * | 2020-03-17 | 2022-08-30 | 首都医科大学附属北京安贞医院 | Support laminating machine |
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Address after: 101204 building 4, yard 21, Panlong West Road, Mafang Town, Pinggu District, Beijing Patentee after: Beijing Taijieweiye Technology Co.,Ltd. Address before: 101204 building 4, yard 21, Panlong West Road, Mafang Town, Pinggu District, Beijing Patentee before: BEIJING TAIJIE WEIYE TECHNOLOGY Co.,Ltd. |