CN211054395U

CN211054395U - Automatic balloon forming device

Info

Publication number: CN211054395U
Application number: CN201921343327.3U
Authority: CN
Inventors: 高源�
Original assignee: Shandong Jiaotong University
Current assignee: Shandong Jiaotong University
Priority date: 2018-11-30
Filing date: 2019-08-19
Publication date: 2020-07-21
Anticipated expiration: 2029-08-19

Abstract

The utility model discloses a sacculus automatic molding device, including frame and control system, its characterized in that: be equipped with pipe reel station, design station, cutting station, pipe section alignment station, the automatic station of walking of bed die, sacculus shaping station and automatic collection station on the frame, be equipped with pipe reel device on the pipe reel station, be equipped with on the design station and add heat stretch straight and setting device, be equipped with cutting device on the cutting station, be equipped with pipe section positioner on the pipe section alignment station, be equipped with the automatic running gear of bed die on the automatic station of walking of bed die, be equipped with the synchronous stretching device of sacculus shaping on the tensile station of sacculus shaping, be equipped with sacculus shaping device on the sacculus shaping station, be equipped with automatic collection device on the automatic collection station, the utility model has the advantages of novel structure, energy saving, equipment cost are low, production efficiency.

Description

Automatic balloon forming device

Technical Field

The invention relates to the technical field of medical equipment, in particular to an automatic forming device for a balloon.

Background

As is known, a balloon catheter is one of the main instruments for human intervention, and not only can be used for expanding and shaping blood vessels, but also can be used for accurately shaping stents after the stents are placed, and simultaneously, the balloon catheter can also be used as a delivery platform of the stents, and has a large demand in intervention based on multiple functions of the balloon catheter, and the balloon is used as an important component in the balloon catheter, so that the balloon catheter also has a large market demand.

When CN 106513488 discloses a forming device that has now open such as sacculus make-up machine on the net and process the sacculus, can only place a material pipe in the device, form the sacculus through centre gripping, heating, aerify, tensile multichannel process, its essence is not enough: when the material pipe is inflated, one end of the material pipe section needs to be sealed, the other end of the material pipe section needs to be inflated and stretched, the formed saccule is connected to one material pipe in series, when the material pipe is used, two ends of the saccule need to be cut respectively, the production efficiency of the saccule is low, and the waste of raw materials of the material pipe is large.

Disclosure of Invention

An object of the utility model is to solve the not enough of prior art, provide a sacculus automatic molding device that novel structure, energy saving, equipment cost are low, production efficiency is high.

The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides a sacculus automatic molding device, includes frame and control system, its characterized in that: the machine base is provided with a catheter reel station, a shaping station, a cutting station, a catheter section alignment station, a lower die automatic walking station, a balloon shaping station and an automatic collecting station, wherein one side of the lower die automatic walking station is sequentially provided with the cutting station, the shaping station and the catheter reel station outwards, the other side of the lower die automatic walking station is provided with the catheter section alignment station, balloon shaping stretching stations are symmetrically arranged on two sides of the lower die automatic walking station, the tail end of the lower die automatic walking station corresponds to the automatic collecting station, the balloon shaping station is arranged between the balloon shaping stretching stations, a catheter reel device is arranged on the catheter reel station, a heating straightening and shaping device is arranged on the shaping station, a cutting device is arranged on the cutting station, a catheter section positioning device is arranged on the catheter section alignment station, a lower die automatic walking device is arranged on the lower die automatic walking station, and a balloon shaping and, a balloon forming device is arranged on the balloon forming station, an automatic collecting device is arranged on the automatic collecting station, wherein,

the guide pipe reeling device comprises a reeling pipe reel disc, a reeling pipe reel disc seat and a reel disc motor, wherein the reeling pipe reel disc seat 3 is fixed on the machine base through bearings at two ends of a reeling disc shaft, partition plates are axially arranged on the reeling pipe reel disc at intervals so that the partition plates partition the reeling pipe reel disc into N reeling pipe cavities, the reeling disc shaft is driven by the reel disc motor, and the reel disc motor is driven by a control system;

the heating stretching and shaping device comprises a heating plate and a shaping plate, wherein a catheter conveying channel is arranged at intervals in the heating plate, a heating sheet is arranged in the heating plate and is connected with a control system, the shaping plate is fixed at the front end of the heating plate, catheter shaping channels are arranged at intervals in the shaping plate and are communicated with the catheter conveying channel,

the cutting device is arranged at the front end of the shaping plate and comprises a cutting frame, a cutting knife, a catheter pressure plate, an extrusion block, a pressure plate guide sleeve, a connecting rod, a buffer spring, a guide rod, a lifting air cylinder and a sliding block, the cutting frame is fixed on the shaping plate, the cutting frame is provided with the lifting air cylinder and the pressure plate guide sleeve, the lower end of a telescopic rod of the lifting air cylinder is provided with the cutting knife, a cutter groove is arranged on a machine base below the cutting knife, the sliding block, the buffer spring and the guide rod are arranged in an inner hole of the pressure plate guide sleeve, one end of the connecting rod is fixedly connected with the sliding block after passing through a guide hole at one side of the pressure plate guide sleeve, the other end of the connecting rod is fixedly connected with the telescopic rod of the lifting air cylinder, the upper end of the guide rod is connected with the sliding block through the buffer spring, so as to be beneficial to vertically extruding the balloon catheter in the lower balloon catheter perforation, one side of the cutting knife is contacted with the side wall of the catheter pressing plate, so as to be beneficial to guiding the cutting knife through the side wall of the catheter pressing plate and ensuring the vertical cutting of the end part of the balloon catheter, the lifting cylinder is controlled by a control system so as to be beneficial to driving the cutting knife to move downwards through the lifting cylinder, and in the moving downwards process, the cutting knife is ensured to be vertically cut through the linear downward movement of the slider along the inner hole of the pressing plate guide sleeve, meanwhile, the lifting cylinder also presses downwards through the connecting rod and the slider and presses downwards the guide rod through the buffer spring, the guide rod drives the catheter pressing plate to move downwards, so that the pressing block at the lower end of the catheter pressing plate extrudes the balloon catheter in the lower balloon catheter perforation, presses the balloon catheter section penetrating into the lower balloon molding die, at the moment, the cutting knife continues to move downwards along the side wall of the catheter pressing plate, the balloon catheter is vertically cut, in the cutting process, the balloon catheter moves into the balloon catheter along the surface of the machine base and is radially pressed downwards by the extrusion block at the lower end of the catheter pressing plate, the cutting precision of the balloon catheter is guaranteed, after the balloon catheter is cut off, the lifting cylinder drives the catheter pressing plate and the cutting knife to ascend, and the cut balloon catheter section restores to the original shape under the action of the elasticity of the cutting knife;

the conduit section positioning device comprises a backup plate cylinder, a conduit backup plate, an upper positioning plate and a slide rail, wherein two sides of the conduit backup plate are connected with the slide rail in a sliding way, the front end of the conduit backup plate is vertically and fixedly connected with the upper positioning plate, the rear end of the conduit backup plate is fixedly connected with a telescopic rod of the backup plate cylinder, the backup plate cylinder is fixed on the machine base and is controlled by a control system so as to be beneficial to limiting the balloon conduit through the conduit backup plate and the upper positioning plate,

the lower die automatic walking device comprises a driving wheel, a driven wheel, a conveying belt, a walking motor, a shaping flat plate and a balloon shaping lower die set, wherein one end of the conveying belt is in winding connection with the driving wheel, the other end of the conveying belt is in winding connection with the driven wheel, the balloon shaping lower die set is distributed on the conveying belt and is formed by sequentially connecting unit balloon shaping lower dies transversely fixed on the conveying belt end to end along a machine base, a balloon shaping lower groove is formed in the center of the upper end of each unit balloon shaping lower die, balloon guide pipe lower through holes communicated with the balloon shaping lower groove are formed in the two ends of each unit balloon shaping lower die, positioning slots are respectively formed in the two sides of each unit balloon shaping lower die, a sealed cavity is formed in each balloon shaping lower die, and a gas superconducting medium is arranged in the sealed cavity so that the temperature can be transmitted to the whole balloon shaping lower die within, the balloon rapid and uniform expansion is facilitated, the driving wheel is fixed on a driving wheel shaft, two ends of the driving wheel shaft are fixedly connected with the machine base through bearings and bearing seats and driven by a walking motor, the driven wheel is fixed on a driven wheel shaft, two ends of the driven wheel shaft are fixedly connected with the machine base through bearings and bearing seats respectively, a shaping flat plate is arranged between the driving wheel and the driven wheel, the upper end of the shaping flat plate is contacted with the conveying belt, two sides of the shaping flat plate are fixedly connected with the machine base respectively, the walking motor is controlled by a control system,

the balloon forming device comprises a balloon forming upper module, an upper die support, a temperature control device, an upper die guide slideway, an upper die lifting guide rail, an air inlet reversing valve, an air outlet reversing valve and an upper die lifting cylinder, wherein the lower end of the upper die support is fixedly connected with a machine base, the upper end of the upper die support is provided with the temperature control device, the left side of the upper die lifting guide rail is fixedly connected with a cross beam, the cross beam is provided with the upper die lifting cylinder, the lower end of the cross beam is provided with the upper die guide slideway, a telescopic rod of the upper die lifting cylinder penetrates through the upper die guide slideway, the lower end of the upper die lifting cylinder is fixedly connected with the balloon forming upper module, the upper end of the balloon forming upper module is in sliding connection with the upper die guide slideway through the upper die lifting guide rail, a gas containing cavity is arranged, two ends of each balloon forming upper groove are respectively provided with a balloon catheter upper perforation communicated with the balloon forming upper groove, a positioning insert block is arranged between the adjacent balloon forming upper grooves,

the temperature control device comprises a semiconductor electronic refrigeration system, a cold air box, a hot air circulating pump and a cold air circulating pump, wherein the semiconductor electronic refrigeration system, the cold air box and the hot air box are fixed on an upper die support, the semiconductor electronic refrigeration system is positioned between the cold air box and the hot air box, the refrigeration end of the semiconductor electronic refrigeration system is in contact with the cold air box, the refrigeration end of the semiconductor electronic refrigeration system is in contact with the hot air box, the cold air box is connected with an air inlet reversing valve through the cold air circulating pump and a cold air pipeline, the hot air box is connected with the air inlet reversing valve through the hot air circulating pump and the hot air pipeline, an air outlet reversing valve is communicated with the cold air box through the cold air pipeline and the hot air box through the hot air pipeline, the semiconductor electronic refrigeration system, the hot air circulating pump and the cold air circulating pump are respectively controlled by a control system, and when a balloon needs to be, the semiconductor electronic refrigeration system and the hot-gas circulating pump work, hot gas in the hot-gas tank is conveyed to a gas containing cavity of the upper balloon forming die through a hot-gas pipeline and enters the hot-gas tank from the gas outlet reversing valve to circulate, so that the upper balloon forming die is quickly heated to a set temperature, then the control system instructs the upper die to lift the cylinder to move so as to drive the upper balloon forming die to move downwards, the upper balloon forming die and the lower balloon forming die are spliced and fixed through the positioning insert block and the positioning insert groove, and the upper balloon forming die is enabled to tightly press the balloon catheter on the lower balloon forming die;

the balloon forming synchronous stretching device comprises a conical tensioning head, a vent rod, a tensioning plugging sleeve, a lead screw slider I, a tensioning sleeve fixing frame, a telescopic cylinder, a guide slideway, a fixing frame driving motor, a thrust bearing, an inflation pipeline, a lead screw slider II, a vent rod connecting frame and a lead screw, wherein two parallel guide slideways are fixed on a machine base 1 and are perpendicular to the advancing direction of a conveyor belt, the tensioning sleeve fixing frame, the vent rod connecting frame and the telescopic cylinder fixing frame are sequentially arranged from front to back, two ends of the tensioning sleeve fixing frame, the vent rod connecting frame and the telescopic cylinder fixing frame are respectively in sliding connection with the guide slideways, a lead screw is arranged at the center of each parallel guide slideway, one end of the lead screw is fixedly connected with the machine base 1 through the bearing, the other end of the lead screw passes through the bearing fixed on the machine base 1 and is connected with the fixing, the upper end of a screw rod sliding block I is fixedly connected with a tensioning sleeve fixing frame, the left end and the right end of the tensioning sleeve fixing frame are respectively in sliding connection with a guide slideway, the front end of the tensioning sleeve fixing frame is linearly and uniformly provided with a tensioning plugging sleeve, the rear end of the tensioning plugging sleeve is linearly and uniformly provided with a thrust bearing, the central lines of the tensioning plugging sleeve and the thrust bearing are on the same axis, a ventilation rod passes through the thrust bearing and the tensioning plugging sleeve on the tensioning plugging sleeve and is fixedly connected with a conical tensioning head, the rear end of the ventilation rod is fixedly connected with a ventilation rod connecting frame, the diameter of the large-diameter end of the conical tensioning head is larger than the inner diameter of the tensioning plugging sleeve and smaller than the outer diameter of the tensioning plugging sleeve, tensioning grooves are arranged at the circumferential interval of the front end of the tensioning plugging sleeve and are axially arranged, vent holes arranged at the centers of the conical tensioning head and the ventilation rod are communicated with an inflation, the telescopic cylinder fixing frame is in threaded connection with a lead screw through a lead screw sliding block II, the telescopic cylinder is fixed on the telescopic cylinder fixing frame, the end part of a telescopic rod of the telescopic cylinder is fixedly connected with the air vent rod connecting frame, the fixing frame driving motor, an air source and the telescopic cylinder are respectively controlled by the control system, when the balloon catheter needs to be blocked and inflated, the control system instructs the fixing frame driving motor to act to drive the lead screw to rotate, further drives the telescopic cylinder fixing frame, the air vent rod connecting frame and the tensioning sleeve fixing frame to approach to the balloon forming lower module and the balloon forming upper module which are combined together along the guide slideway, so that the tensioning blocking sleeve is inserted into the balloon catheter, then the fixing frame driving motor stops acting, the telescopic cylinder acts to drive the air vent rod connecting frame to drive the air vent rod to move backwards along the tensioning blocking sleeve, and when the large-diameter end of, the balloon catheter is blocked and extruded to the inner wall of the upper perforation hole between the lower perforation hole of the balloon catheter of the lower balloon molding die and the upper perforation hole of the balloon catheter between the upper balloon molding die by the tensioning blocking sleeve, then a control system starts an air source, air is inflated in the balloon catheter through the ventilation hole at the center of the ventilation rod and the conical tensioning head, the balloon catheter is rapidly expanded under the action of the impact and the heating of the air until the inner walls of the upper balloon molding groove and the lower balloon molding groove are full, then the balloon catheter is pulled by a telescopic cylinder to move outwards for a set distance, so that conical transition is formed at two ends of the expanded balloon and then stopped, then the control system instructs the telescopic cylinder to move reversely to drive the conical tensioning head to be separated from the tensioning blocking sleeve and then stopped, the control system starts a fixing frame driving motor to move reversely to drive the tensioning blocking sleeve and the conical tensioning head to, and the shapes of the catheters at the two ends of the saccule are unchanged, then, the control system instructs the air inlet reversing valve and the air outlet reversing valve to reverse, the connection in the air conditioning box is realized, the cold air enters the air accommodating cavity of the upper saccule forming die, the cold energy of the upper saccule forming die is rapidly transmitted with the superconducting medium in the inner cavity of the lower saccule forming die, after the periphery of the saccule is rapidly cooled, the control system instructs the upper die to lift the air cylinder to drive the upper saccule forming die to move upwards, then, the control system instructs the traveling motor to move to drive the formed saccule to move out, and the formed saccule falls into the automatic collection box under the.

The control system of the invention can adopt a P L C control system.

By adopting the structure and the method, the invention has the advantages of novel structure, energy conservation, low equipment cost, high production efficiency and the like.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a left side view of fig. 1.

Fig. 3 is a cross-sectional view a-a of fig. 1.

Fig. 4 is a schematic view of the structure of the cutting device of the present invention.

Figure 5 is a schematic diagram of the structure of the balloon forming device of the present invention,

fig. 6 is a schematic structural view of the balloon forming synchronous stretching device in the invention.

Fig. 7 is a partial enlarged view of the vent rod and the tensioned mask of the present invention.

Fig. 8 is a schematic view of the structure of the tensioned occlusion cap of the present invention.

Fig. 9 is a schematic view of the structure of the catheter platen.

Fig. 10 is a bottom view of a catheter platen.

Reference numerals: the device comprises a machine base 1, a reel pipe wheel disc 2, a reel pipe wheel disc seat 3, a wheel disc motor 4, a heating plate 5, a shaping plate 6, a catheter conveying channel 7, a catheter shaping channel 8 cutting frame 9, a cutting knife 10, a catheter pressing plate 11, a pressing plate guide sleeve 12, a connecting rod 13, a buffer spring 14, a guide rod 15, a lifting cylinder 16, a sliding block 17, a backup plate cylinder 18, a catheter backup plate 19, an upper positioning plate 20, a sliding rail 21, a driving wheel 22, a driven wheel 23, a conveying belt 24, a walking motor 25, a shaping flat plate 26, a unit balloon shaping lower die 27, a balloon shaping lower groove 28, a balloon catheter lower through hole 29, a positioning slot 30, an upper die support 31, an upper die guide slideway 32, an upper die lifting guide rail 33, an air inlet reversing valve 34, an air outlet reversing valve 35, an upper die lifting cylinder 36, a temperature control device 37, a cross beam 38, a balloon shaping upper die set, The device comprises a positioning insertion block 42, a semiconductor electronic refrigeration system 43, a cold air box 44, a hot air box 45, a conical tensioning head 46, a ventilation rod 47, a tensioning blocking sleeve 48, a lead screw sliding block I49, a tensioning sleeve fixing frame 50, a telescopic air cylinder fixing frame 51, a telescopic air cylinder 52, a guide slideway 53, a fixing frame driving motor 54, a thrust bearing 55, an inflation pipeline 56, a lead screw sliding block II 57, a lead screw 58, an automatic collecting box 59, a balloon catheter 60, a cutter relieving groove 61 and an extrusion block 62.

Detailed Description

The present invention will be described with reference to the accompanying drawings and examples.

As shown in the attached drawings, the automatic forming device for the sacculus comprises a machine base and a control system, and is characterized in that: a catheter reel station, a shaping station, a cutting station, a catheter section alignment station, a lower die automatic walking station, a balloon forming station and an automatic collecting station are arranged on the machine base 1, the cutting station, the shaping station and the catheter reel station are sequentially arranged outwards on one side of the lower die automatic walking station, the catheter section alignment station is arranged on the other side of the lower die automatic walking station, balloon forming stretching stations are symmetrically arranged on two sides of the lower die automatic walking station, the tail end of the lower die automatic walking station corresponds to the automatic collecting station, the balloon forming station is arranged between the balloon forming stretching stations, a catheter reel device is arranged on the catheter reel station, a heating straightening and shaping device is arranged on the shaping station, a cutting device is arranged on the cutting station, a catheter section positioning device is arranged on the catheter section alignment station, and a lower die automatic walking device is arranged on the, a balloon forming synchronous stretching device is arranged on the balloon forming stretching station, a balloon forming device is arranged on the balloon forming station, an automatic collecting box 59 is arranged on the automatic collecting station, wherein,

the guide pipe reeling device comprises a reeling pipe reel disc 2, a reeling pipe reel disc seat 3 and a reel disc motor 4, wherein the reeling pipe reel disc seat 3 is fixed on the machine base 1 through bearings at two ends of a reeling disc shaft, partition plates are axially arranged on the reeling pipe reel disc 2 at intervals so that the partition plates partition the reeling pipe reel disc into N reeling pipe cavities, the reeling disc shaft is driven by the reel disc motor 4, and the reel disc motor is driven by a control system;

the heating stretching and shaping device comprises a heating plate 5 and a shaping plate 6, a catheter conveying channel 7 is arranged in the heating plate 5 at intervals, a heating sheet is arranged in the heating plate 5 and connected with a control system, the shaping plate 6 is fixed at the front end of the heating plate 5, a catheter shaping channel 8 is arranged in the shaping plate 6 at intervals, the catheter shaping channel 8 is communicated with the catheter conveying channel 7,

the shaping plate front end is equipped with cutting device, and it includes cutting frame 9, cutting knife 10, pipe clamp plate 11, crowded piece 62, clamp plate uide bushing 12, connecting rod 13, buffer spring 14, guide bar 15, lift cylinder 16 and slider 17, cutting frame 9 is fixed on shaping plate 6, be equipped with lift cylinder 16 and clamp plate uide bushing 12 on cutting frame 9, lift cylinder 16's telescopic link lower extreme is equipped with cutting knife 10, be equipped with on the frame of cutting knife below lets the sword groove 61, be equipped with slider 17, buffer spring 14 and guide bar 15 in the clamp plate uide bushing 12 hole, connecting rod 13 passes behind the guiding hole of clamp plate uide bushing 12 one side, one end and slider 17 fixed connection, the other end and lift cylinder 16's telescopic link fixed connection, guide bar 15 upper end is connected with slider 17 through buffer spring 14, lower extreme and pipe clamp plate 11 fixed connection, the lower end of the catheter pressing plate 11 is fixed with a pressing block, the cross section of the pressing block is arc-shaped, the pressing block is matched with the lower perforation 29 of the balloon catheter to facilitate vertical extrusion of the balloon catheter 60 into the lower perforation of the balloon catheter, one side of the cutting knife is in contact with the side wall of the catheter pressing plate to facilitate guiding of the cutting knife through the side wall of the catheter pressing plate to ensure vertical cutting of the end part of the balloon catheter, the lifting cylinder 16 is controlled by a control system to facilitate driving of the cutting knife 10 to move downwards through the lifting cylinder 16, in the moving downwards process, the sliding block 17 linearly moves downwards along the inner hole of the pressing plate guide sleeve 12 to ensure vertical cutting of the cutting knife, meanwhile, the lifting cylinder 16 is further pressed downwards through the connecting rod 13 and the sliding block 17 and presses the guide rod 15 downwards through the buffer spring 14, the guide rod 15 drives the catheter pressing plate 11 to move downwards to enable the pressing, the balloon catheter tube section penetrating into the balloon forming lower die is pressed, the situation that the catheter section is tilted upwards and leaves the balloon forming lower die in the cutting process is avoided, at the moment, the cutting knife continues to move downwards along the side wall of the catheter pressing plate to vertically cut the balloon catheter, in the cutting process, the balloon catheter moves into the balloon catheter along the surface of the machine base and is radially pressed downwards through the extrusion block at the lower end of the catheter pressing plate, the cutting precision of the balloon catheter is guaranteed, after the balloon catheter is cut off, the lifting cylinder drives the catheter pressing plate and the cutting knife to ascend, and the cut balloon catheter section restores to the original shape under the action of self elasticity;

the conduit section positioning device comprises a backup plate cylinder 18, a conduit backup plate 19, an upper positioning plate 20 and a slide rail 21, wherein two sides of the conduit backup plate 19 are connected with the slide rail in a sliding manner, the front end of the conduit backup plate 19 is vertically and fixedly connected with the upper positioning plate 20, the rear end of the conduit backup plate is fixedly connected with a telescopic rod of the backup plate cylinder 18, the backup plate cylinder 18 is fixed on the machine base 1, the backup plate cylinder 18 is controlled by a control system so as to be beneficial to limiting the balloon conduit through the conduit backup plate 19 and the upper positioning plate 20,

the lower mold automatic walking device comprises a driving wheel 22, a driven wheel 23, a conveying belt 24, a walking motor 25, a shaping flat plate 26 and a balloon shaping lower module, wherein one end of the conveying belt 24 is in winding connection with the driving wheel 22, the other end of the conveying belt is in winding connection with the driven wheel 23, the conveying belt 24 is provided with the balloon shaping lower module, the balloon shaping lower module is formed by sequentially connecting unit balloon shaping lower dies transversely fixed on the conveying belt end to end along a machine base, the center of the upper end of the unit balloon shaping lower die 27 is provided with a balloon shaping lower groove 28, two ends of the unit balloon shaping lower die are provided with balloon conduit lower through holes 29 communicated with the balloon shaping lower grooves, two sides of the unit balloon shaping lower die are respectively provided with a positioning slot 30, a sealed cavity is arranged in the balloon shaping lower die 27, and a gas superconducting medium is arranged in the sealed cavity, the temperature of the lower balloon forming die and the upper balloon forming die is quickly unified, so that the balloons can be rapidly and uniformly expanded conveniently, the driving wheel 22 is fixed on a driving wheel shaft, two ends of the driving wheel shaft are fixedly connected with a machine base through bearings and bearing seats and are driven by a walking motor 25, the driven wheel 23 is fixed on a driven wheel shaft, two ends of the driven wheel shaft are fixedly connected with the machine base through bearings and bearing seats respectively, a shaping flat plate 26 is arranged between the driving wheel 22 and the driven wheel 23, the upper end of the shaping flat plate 26 is in contact with a conveyor belt 25, two sides of the shaping flat plate are fixedly connected with the machine base 1 respectively, the walking motor 25 is controlled,

the balloon forming device comprises a balloon forming upper module 39, an upper die support 31, a temperature control device 37, an upper die guide slide 32, an upper die lifting guide rail 33, an air inlet reversing valve 34, an air outlet reversing valve 35 and an upper die lifting cylinder 36, wherein the lower end of the upper die support 31 is fixedly connected with the machine base 1, the upper end of the upper die support is provided with the temperature control device, the left side of the upper die support is fixedly connected with a cross beam 38, the upper die lifting cylinder 36 is arranged on the cross beam 38, the lower end of the cross beam 38 is provided with the upper die guide slide 32, an expansion rod of the upper die lifting cylinder 36 penetrates through the upper die guide slide 32, the lower end of the expansion rod is fixedly connected with the balloon forming upper module 39, the upper end of the balloon forming upper module 39 is slidably connected with the upper die guide slide 32 through the upper die lifting guide rail 33, a gas containing cavity is, n balloon forming upper grooves 40 are arranged in a linear array on the lower end surface, N is a natural number larger than 1, balloon catheter upper through holes 41 communicated with the balloon forming upper grooves are respectively arranged at two ends of each balloon forming upper groove 40, positioning insertion blocks 42 are arranged between the adjacent balloon forming upper grooves 40,

the temperature control device 37 comprises a semiconductor electronic refrigeration system 43, a cold air box 44, a hot air box 45, a hot air circulating pump and a cold air circulating pump, wherein the semiconductor electronic refrigeration system 43, the cold air box 44 and the hot air box 45 are fixed on the upper die support 31, the semiconductor electronic refrigeration system 43 is positioned between the cold air box 44 and the hot air box 45, the refrigeration end of the semiconductor electronic refrigeration system 43 is in contact with the cold air box 44, the heating end of the semiconductor electronic refrigeration system is in contact with the hot air box 45, the cold air box 44 is connected with the air inlet reversing valve 34 through the cold air circulating pump and a cold air pipeline, the hot air box 45 is connected with the air inlet reversing valve 34 through the hot air circulating pump and the hot air pipeline, the air outlet reversing valve 35 is communicated with the cold air box 44 through the cold air pipeline and the hot air pipeline with the hot air box 45, and the semiconductor electronic refrigeration, when the balloon needs to be molded, the control system instructs the air inlet reversing valve 43 and the air outlet reversing valve 44 to be reversed to the hot air pipeline, the semiconductor electronic refrigeration system and the hot air circulating pump work to convey hot air in the hot air tank to the air accommodating cavity of the upper balloon molding die through the hot air pipeline, the hot air enters the hot air tank from the air outlet reversing valve to circulate, the upper balloon molding die is rapidly heated to a set temperature, then the control system instructs the upper die lifting cylinder 36 to act to drive the upper balloon molding die 39 to move downwards, the upper balloon molding die 39 and the lower balloon molding die 27 are fixedly connected through the positioning insertion block 42 and the positioning insertion slot 28 in an inserted mode, and the upper balloon molding die 39 tightly presses the balloon catheter on the lower balloon molding die 27;

the balloon forming synchronous stretching device comprises a conical stretching head 46, a ventilation rod 47, a tensioning plugging sleeve 48, a screw rod sliding block I49, a tensioning sleeve fixing frame 50, a telescopic cylinder fixing frame 51, a telescopic cylinder 52, a guide slideway 53, a fixing frame driving motor 54, a thrust bearing 55, an inflation pipeline 56, a screw rod sliding block II 57, a ventilation rod connecting frame 58 and a screw rod 59, wherein the two parallel guide slideways 53 are fixed on a machine base 1 and are vertical to the advancing direction of a conveyor belt 24, the tensioning sleeve fixing frame 50, the ventilation rod connecting frame 58 and the telescopic cylinder fixing frame 51 are sequentially arranged from front to back, two ends of the tensioning sleeve fixing frame 50, the ventilation rod connecting frame 58 and the telescopic cylinder fixing frame 51 are respectively in sliding connection with the guide slideways 53, the center of the two parallel guide slideways 53 is provided with the screw rod 59, one end of the screw rod 59 is fixedly connected with the machine base 1 through a bearing, and the other end of the screw rod passes, the lead screw 59 is connected with a lead screw sliding block I49 and a lead screw sliding block II 57 in a threaded manner, the upper end of the lead screw sliding block I49 is fixedly connected with a tensioning sleeve fixing frame 50, the left end and the right end of the tensioning sleeve fixing frame 50 are respectively connected with a guide slideway 53 in a sliding manner, the front end of the tensioning sleeve fixing frame 50 is linearly and uniformly provided with a tensioning plugging sleeve 48, the rear end of the tensioning plugging sleeve 48 is linearly and uniformly provided with a thrust bearing 55, the central lines of the thrust bearing 48 and the thrust bearing 55 are on the same axis, the ventilation rod 47 passes through the thrust bearing 55 and the tensioning plugging sleeve 48 on the tensioning plugging sleeve 48 and then is fixedly connected with the conical tensioning head 46, the rear end of the ventilation rod is fixedly connected with a ventilation rod connecting frame 58, the diameter of the large-diameter end of the conical tensioning head 46 is larger than the inner diameter of the tensioning plugging sleeve 48 and smaller than the outer diameter of the tensioning plugging sleeve 48, the circumference of, the air vent that toper tensioning head 46, air vent 47 center were equipped with is linked together with the pipeline 56 that aerifys on the air vent link 58, pipeline 56 is linked together with the air supply, telescopic cylinder mount 51 warp screw slider II 57 and lead screw 59 threaded connection, telescopic cylinder 52 fixes on telescopic cylinder mount 51, telescopic cylinder 52 telescopic rod tip and air vent link 58 fixed connection, air pump, telescopic cylinder 52 in mount driving motor 54, the air supply are respectively through control system control, when needing to seal the sacculus pipe and aerify, control system instruction mount driving motor action drives the lead screw rotation, and then drives telescopic cylinder mount, air vent link, tensioning cover mount along the guide slide to the sacculus shaping module down and the sacculus shaping module of being in the same place be close to, make the tensioning shutoff cover insert in the sacculus pipe, then, the fixing frame driving motor stops acting, the telescopic cylinder acts, the ventilation rod connecting frame is driven to drive the ventilation rod 47 to move backwards along the tensioning plugging sleeve 48, when the large-diameter end of the conical tensioning head 46 is gradually inserted into the tensioning plugging sleeve 48, the tensioning plugging sleeve 48 plugs and extrudes the balloon catheter to the inner wall of the upper perforation hole of the balloon catheter between the lower perforation hole of the balloon molding lower die and the upper perforation hole of the balloon molding upper die, then the control system stops driving the telescopic cylinder to act, the air pump in the air source is started, air is inflated in the balloon catheter through the ventilation hole at the center of the ventilation rod and the conical tensioning head, the balloon catheter rapidly expands to be full of the upper groove of the balloon molding and the inner wall of the groove of the balloon molding under the impact and the heating of the air, in the expanding process, the control system starts the fixing frame driving motor, the balloon catheter is pulled to move outwards to a set distance, so that the two ends of, then the control system instructs the telescopic cylinder to move reversely to drive the conical tensioning head to be separated from the tensioning plugging sleeve and then stop, then the control system starts the fixed frame to drive the motor to move reversely to drive the tensioning plugging sleeve and the conical tensioning head to leave the balloon catheter, at the moment, the balloon is formed, and the shapes of the catheters at the two ends of the balloon are not changed, then the control system instructs the air inlet reversing valve and the air outlet reversing valve to reverse, the cold air tank is communicated, the cold air enters the air accommodating cavity of the upper die for forming the saccule, the cold energy of the upper balloon forming die is rapidly transferred with the superconducting medium in the inner cavity of the lower balloon forming die, so that the periphery of the balloon is rapidly cooled and shaped until the set time, and then the balloon is stopped, the control system instructs the upper die lifting cylinder to act to drive the upper balloon forming die to move upwards, and then, the control system instructs the walking motor to move to drive the formed saccule to move out, and the formed saccule falls into the automatic collection box under the drive of the conveyor belt.

When the balloon catheter is formed, a control system is started, a heating plate starts to heat, a backup plate cylinder acts to drive a catheter backup plate 19 and an upper positioning plate 20 to lean against a balloon forming lower die so as to limit the balloon catheter, at least 2 coils of balloon catheters are arranged on a coil wheel disc, the balloon catheter is penetrated into a catheter conveying channel and a catheter shaping channel, the balloon catheter is stretched and straightened by heating when entering the catheter conveying channel, the stretched balloon catheter is gradually cooled when passing through the catheter positioning channel, and then penetrates through a balloon catheter lower perforation, a balloon forming lower groove and a balloon catheter lower perforation on the balloon forming lower die and lean against the catheter backup plate, so that the balloon catheter is prevented from deforming due to softening during cutting;

when a control system receives information that one end of a balloon catheter uploaded by an in-place switch arranged on a catheter backup plate leans against the catheter backup plate, the control system instructs to drive a cutting knife 10 to move downwards through a lifting cylinder 16, in the moving-downwards process, the cutting knife is ensured to be vertically cut through a slide block 17 moving downwards linearly along an inner hole of a pressure plate guide sleeve 12, meanwhile, the lifting cylinder 16 is pressed downwards through a connecting rod 13 and the slide block 17 and presses a guide rod 15 downwards through a buffer spring 14, the guide rod 15 drives a catheter pressure plate 11 to move downwards, so that a pressing block at the lower end of the catheter pressure plate presses the balloon catheter in a balloon catheter lower perforation, a balloon catheter section penetrating into a balloon forming lower die is pressed, the phenomenon that the catheter section is warped upwards and separated from the balloon forming lower die in the cutting process is prevented, at the moment, the cutting knife continues to move downwards along the side wall of the catheter pressure plate, the balloon catheter moves into the balloon catheter along the surface of the machine base and is pressed downwards in the radial direction by the extrusion block at the lower end of the catheter pressure plate, so that the cutting precision of the balloon catheter is guaranteed, when the balloon catheter is cut off, the lifting cylinder drives the catheter pressure plate and the cutting knife to ascend, and the cut balloon catheter segment restores to the original shape under the action of the elasticity of the balloon catheter segment;

after cutting, the control system instructs the backup plate cylinder to return, the walking motor acts to drive the conveyor belt to rotate, the balloon forming lower die containing the conduit section is moved to a balloon forming station, when an induction in-place switch and a camera which are fixed on a machine base on the balloon forming station receive balloon forming lower die set in-place information containing the conduit section of the balloon, the information is uploaded to the control system, the control system instructs the walking motor to stop, then instructs an upper die lifting cylinder to act to drive an upper balloon forming die to move downwards, the upper balloon forming die and the lower balloon forming die are spliced and fixed through a positioning insert block and a positioning insert groove, so that the upper balloon forming die sets the conduit section of the balloon on the lower balloon forming die, then the control system instructs a fixing frame to drive a motor to act to drive a lead screw to rotate, and further drives a telescopic cylinder fixing frame, a vent bar connecting frame and a tensioning sleeve fixing frame to approach the balloon forming lower die set and the upper balloon forming, the tensioning plugging sleeve is inserted into ports at two ends of the balloon catheter, then, the fixing frame driving motor stops acting, the telescopic cylinder acts, the ventilation rod connecting frame is driven to drive the ventilation rod to move backwards along the tensioning plugging sleeve, the large-diameter end of the conical tensioning head is gradually inserted into the tensioning plugging sleeve, the balloon catheter is plugged and extruded by the tensioning plugging sleeve to the lower balloon catheter through hole of the lower balloon molding die and the upper balloon catheter through hole inner wall between the upper balloon molding die, and then the control system instructs the fixing frame driving motor and the telescopic cylinder to pause;

the control system instructs the air inlet reversing valve and the air outlet reversing valve to be reversed to the hot air pipeline, the semiconductor electronic refrigeration system and the hot air circulating pump work to convey hot air in the hot air box to the air accommodating cavity of the upper balloon forming die through the hot air pipeline and enter the hot air box from the air outlet reversing valve to circulate, so that the upper balloon forming die is quickly heated to a set temperature, meanwhile, due to the fact that the contact part of the upper balloon forming die and the lower balloon forming die, the positioning jack and the positioning slot are connected in an inserted mode, the upper balloon forming die transmits the temperature to the whole lower balloon forming die within less than 1 second under the action of a gas superconducting medium, the temperatures of the lower balloon forming die and the upper balloon forming die are unified within a short time, and rapid and uniform expansion of the balloon is facilitated; when the temperature sensor arranged on the upper balloon forming die senses that the temperature reaches the set temperature and is uploaded to the control system, the control system starts the air source, air is inflated in the balloon catheter through the ventilation hole in the center of the ventilation rod and the conical tensioning head, the balloon catheter is rapidly expanded under the action of the impact and the heating of the air until the inner walls of the upper balloon forming groove and the lower balloon forming groove are full of the air, then the control system starts the fixing frame driving motor to rotate reversely, two ends of the balloon catheter are pulled to move outwards to the set distance respectively, one side of the balloon expands radially in the space of the upper balloon forming groove and the lower balloon forming groove, the other side of the balloon is pulled by the fixing frame driving motor to expand axially towards two ends along the axle center of the upper balloon forming groove and the lower balloon forming groove, two ends of the expanded balloon form conical transition, and then the control system instructs the two, the conical tensioning head 46 is driven to be separated from the tensioning plugging sleeve and then stopped, the control system starts the fixing frame to drive the motor to rotate reversely to drive the tensioning plugging sleeve and the conical tensioning head to leave the balloon catheter, at the moment, the balloon is formed, the shapes of the catheters at two ends of the balloon are not changed, then, the control system instructs the air inlet reversing valve and the air outlet reversing valve to reverse, the air in the air-conditioning box is switched on, the cold air enters the air accommodating cavity of the upper balloon forming mold, the cold energy of the upper balloon forming mold is rapidly transmitted with the superconducting medium in the inner cavity of the lower balloon forming mold, the rapid cooling and shaping of the periphery of the balloon is stopped after the set time, the balloon shaping is finished, the control system instructs the upper mold lifting cylinder to move to drive the upper balloon forming mold to move upwards, then, the control system instructs the traveling motor to move the shaped balloon out, and, the function of forming a plurality of balloons at one time is achieved. When the sensing in-place switch and the camera which are fixed on the base receive the information that the next balloon forming lower module with the balloon catheter section is in place again, the information is uploaded to the control system, the control system instructs the walking motor to stop again, and then instructs the upper die lifting cylinder to act, and the actions are repeated in sequence to form the balloon.

Due to the adoption of the structure, the invention has the advantages of novel structure, energy conservation, low equipment cost, high production efficiency and the like.

Claims

1. The utility model provides a sacculus automatic molding device, includes frame and control system, its characterized in that: the machine base is provided with a catheter reel station, a shaping station, a cutting station, a catheter section alignment station, a lower die automatic walking station, a balloon shaping station and an automatic collecting station, wherein one side of the lower die automatic walking station is sequentially provided with the cutting station, the shaping station and the catheter reel station outwards, the other side of the lower die automatic walking station is provided with the catheter section alignment station, balloon shaping stretching stations are symmetrically arranged on two sides of the lower die automatic walking station, the tail end of the lower die automatic walking station corresponds to the automatic collecting station, the balloon shaping station is arranged between the balloon shaping stretching stations, a catheter reel device is arranged on the catheter reel station, a heating straightening and shaping device is arranged on the shaping station, a cutting device is arranged on the cutting station, a catheter section positioning device is arranged on the catheter section alignment station, a lower die automatic walking device is arranged on the lower die automatic walking station, and a balloon shaping and, a balloon forming device is arranged on the balloon forming station, an automatic collecting device is arranged on the automatic collecting station, wherein,

the guide pipe reel device comprises a reel pipe wheel disc, a reel pipe wheel disc seat and a wheel disc motor, wherein the reel pipe wheel disc seat is fixed on the machine base through bearings at two ends of a reel pipe shaft, partition plates are axially arranged on the reel pipe wheel disc at intervals so that the partition plates partition the reel pipe wheel disc into N reel pipe cavities, the reel pipe shaft is driven by the wheel disc motor, and the wheel disc motor is driven by a control system;

the cutting device is arranged at the front end of the shaping plate and comprises a cutting frame, a cutting knife, a catheter pressure plate, an extrusion block, a pressure plate guide sleeve, a connecting rod, a buffer spring, a guide rod, a lifting air cylinder and a sliding block, the cutting frame is fixed on the shaping plate, the cutting frame is provided with the lifting air cylinder and the pressure plate guide sleeve, the lower end of a telescopic rod of the lifting air cylinder is provided with the cutting knife, a cutter groove is arranged on a machine base below the cutting knife, the sliding block, the buffer spring and the guide rod are arranged in an inner hole of the pressure plate guide sleeve, one end of the connecting rod is fixedly connected with the sliding block after passing through a guide hole on one side of the pressure plate guide sleeve, the other end of the connecting rod is fixedly connected with the telescopic rod of the lifting air cylinder, the upper end of the guide rod is connected with the sliding block through the buffer spring, the, one side of the cutting knife is in contact with the side wall of the guide pipe pressing plate, and the lifting cylinder is controlled by a control system;

the conduit section positioning device comprises a backup plate cylinder, a conduit backup plate, an upper positioning plate and a slide rail, wherein two sides of the conduit backup plate are connected with the slide rail in a sliding way, the front end of the conduit backup plate is vertically and fixedly connected with the upper positioning plate, the rear end of the conduit backup plate is fixedly connected with a telescopic rod of the backup plate cylinder, the backup plate cylinder is fixed on the machine base and is controlled by a control system,

the lower die automatic walking device comprises a driving wheel, a driven wheel, a conveying belt, a walking motor, a shaping flat plate and a balloon shaping lower die set, wherein one end of the conveying belt is in winding connection with the driving wheel, the other end of the conveying belt is in winding connection with the driven wheel, the balloon shaping lower die set is distributed on the conveying belt and is formed by sequentially and linearly arraying unit balloon shaping lower dies transversely arranged on the conveying belt along the circumference of the conveying belt, a balloon shaping lower groove is arranged at the center of the upper end of each unit balloon shaping lower die, balloon guide pipes communicated with the balloon shaping lower grooves are arranged at the two ends of each unit balloon shaping lower die, positioning slots are respectively arranged at the two sides of each unit balloon shaping lower die, a sealing cavity is arranged in each balloon shaping lower die, a superconducting medium is arranged in each sealing cavity, the driving wheel is fixed on a driving, the driven wheel is fixed on a driven wheel shaft, two ends of the driven wheel shaft are respectively and fixedly connected with the machine base through a bearing and a bearing seat, a shaping flat plate is arranged between the driving wheel and the driven wheel, the upper end of the shaping flat plate is contacted with the conveying belt, two sides of the shaping flat plate are respectively and fixedly connected with the machine base, the walking motor is controlled by a control system,

the temperature control device comprises a semiconductor electronic refrigeration system, a cold air box, a hot air circulating pump and a cold air circulating pump, wherein the semiconductor electronic refrigeration system, the cold air box and the hot air box are fixed on an upper die support, the semiconductor electronic refrigeration system is positioned between the cold air box and the hot air box, the refrigeration end of the semiconductor electronic refrigeration system is in contact with the cold air box, the refrigeration end of the semiconductor electronic refrigeration system is in contact with the hot air box, the cold air box is connected with an air inlet reversing valve through the cold air circulating pump and a cold air pipeline, the hot air box is connected with the air inlet reversing valve through the hot air circulating pump and the hot air pipeline, the air outlet reversing valve is communicated with the cold air box through the cold air pipeline and;

the balloon forming synchronous stretching device comprises a conical tensioning head, a vent rod, a tensioning plugging sleeve, a screw rod sliding block I, a tensioning sleeve fixing frame, a telescopic cylinder, a guide slideway, a fixing frame driving motor, a thrust bearing, an inflation pipeline, a screw rod sliding block II, a vent rod connecting frame and a screw rod, wherein two parallel guide slideways are fixed on a machine base and are perpendicular to the advancing direction of a conveyor belt, the tensioning sleeve fixing frame, the vent rod connecting frame and the telescopic cylinder fixing frame are sequentially arranged from front to back, two ends of the tensioning sleeve fixing frame, the vent rod connecting frame and the telescopic cylinder fixing frame are respectively in sliding connection with the guide slideways, the center of the two parallel guide slideways is provided with the screw rod, one end of the screw rod is fixedly connected with the machine base through the bearing, the other end of the screw rod penetrates through the bearing fixed on the machine base to be, the upper end of a screw rod sliding block I is fixedly connected with a tensioning sleeve fixing frame, the left end and the right end of the tensioning sleeve fixing frame are respectively in sliding connection with a guide slideway, the front end of the tensioning sleeve fixing frame is linearly and uniformly provided with a tensioning plugging sleeve, the rear end of the tensioning plugging sleeve is linearly and uniformly provided with a thrust bearing, the central lines of the tensioning plugging sleeve and the thrust bearing are on the same axis, a ventilation rod passes through the thrust bearing and the tensioning plugging sleeve on the tensioning plugging sleeve and is fixedly connected with a conical tensioning head, the rear end of the ventilation rod is fixedly connected with a ventilation rod connecting frame, the diameter of the large-diameter end of the conical tensioning head is larger than the inner diameter of the tensioning plugging sleeve and smaller than the outer diameter of the tensioning plugging sleeve, tensioning grooves are arranged at the circumferential interval of the front end of the tensioning plugging sleeve and are axially arranged, vent holes arranged at the centers of the conical tensioning head and the ventilation rod are communicated with an inflation, the telescopic cylinder fixing frame is in threaded connection with a lead screw through a lead screw sliding block II, the telescopic cylinder is fixed on the telescopic cylinder fixing frame, the end part of a telescopic rod of the telescopic cylinder is fixedly connected with a ventilation rod connecting frame, and the fixing frame driving motor, the air source and the telescopic cylinder are controlled by a control system respectively.

2. The automatic balloon forming device according to claim 1, wherein the control system is a P L C control system.