CN-121973425-A - Catheter balloon forming machine

Abstract

The invention belongs to the technical field of medical catheter processing, and particularly relates to a catheter balloon forming machine which comprises a frame, a rotating disc device, a lower forming device, an upper forming device, an air blowing device and a blanking device, wherein the rotating disc device, the upper forming device and the blanking device are arranged on the frame, the upper forming device comprises a supporting seat, a lower pressing mechanism and an upper forming die, a first positioning groove is formed in the upper forming die, a first forming cavity is formed in the first positioning groove at intervals, the upper forming die is connected with a heating system, the lower forming device is arranged on a transmission device, the lower forming device comprises a lower forming die, an air blowing connecting mechanism and a clamping sealing mechanism, the lower forming die is arranged on the transmission device, a second positioning groove is formed in the lower forming die, a second forming cavity is formed in the second positioning groove at intervals, the air blowing connecting mechanism and the clamping sealing mechanism are respectively arranged at two ends of the lower forming die, the air blowing connecting mechanism is provided with an air blowing nozzle, the air blowing nozzle is connected with the air blowing device, the clamping sealing mechanism comprises a base, a pressing plate and a driving piece, the driving piece is arranged on the top side of the base, and the driving piece is connected with the pressing plate.

Inventors

• LI MING
• DENG YUHUA
• Ou Dongyuan

Assignees

• 东莞市爱拓自动化设备有限公司

Dates

Publication Date

20260505

Application Date

20260331

Claims (10)

1. 1. A catheter balloon forming machine is used for balloon forming and is characterized by comprising a frame, a turntable device, a lower forming device, an upper forming device, an air blowing device and a blanking device; The upper molding device comprises a supporting seat, a pressing mechanism and a molding upper die, wherein the supporting seat is arranged on the frame, the pressing mechanism is arranged at the upper end of the supporting seat, the molding upper die is arranged at the bottom end of the pressing mechanism, a plurality of first positioning grooves are formed in the molding upper die and extend to two ends of the molding upper die, a plurality of first molding cavities are formed in the first positioning grooves at intervals, and a heating piece or a heating system is connected with the molding upper die; The lower forming device comprises a forming lower die, an air blowing connecting mechanism and a clamping sealing mechanism, wherein a plurality of forming lower dies are arranged on the rotary table, a plurality of second positioning grooves are formed in the forming lower die, a plurality of second forming cavities are formed in the second positioning grooves at intervals, the air blowing connecting mechanism and the clamping sealing mechanism are positioned at two ends of the forming lower die, the air blowing connecting mechanism and/or the clamping sealing mechanism slide relative to the forming lower die, the air blowing connecting mechanism is provided with a plurality of air blowing nozzles, the air blowing nozzles are connected with the air blowing device, the clamping sealing mechanism comprises a base, a pressing plate and a driving piece, the base is arranged on the transmission device, the pressing plate is arranged on the top side of the base, the driving piece is connected with the pressing plate and is used for driving the pressing plate to press downwards, and the discharging device is used for picking up balloon tubes in the forming lower die; And the support seat is also provided with a stirring mechanism for stirring the blowing connection mechanism and/or the clamping sealing machine.
2. 2. The catheter balloon molding machine of claim 1, wherein the blowing device is disposed on one side of the support base and on a bottom side of the turntable.
3. 3. The catheter balloon forming machine of claim 2, wherein the air blowing connecting mechanism comprises a mounting seat, an air cylinder, an adapter and a connecting piece, wherein the mounting seat is arranged on the rotary table, a side plate is arranged on one side, close to the forming lower die, of the mounting seat, a plurality of adapters are arranged on one side of the side plate, through holes are formed in the adapters, the air cylinders are arranged on the mounting seat, a connecting pipe penetrates through a piston rod of the air cylinder, one end of the connecting pipe is provided with the air blowing nozzle, the air blowing end of the air blowing nozzle is conical, a pipe joint is arranged at the other end of the connecting pipe, the connecting piece is arranged at the bottom end of the mounting seat, an air passage is formed in the connecting piece, and the pipe joint is communicated with the air passage.
4. 4. The catheter balloon molding machine according to any one of claims 1 to 3, wherein the base and the mounting seat are slidably disposed on the turntable device, the base and the mounting seat are both connected with elastic members, the elastic members are used for pushing the base and the mounting seat to be close to the molding lower die, the toggle mechanisms are also disposed on two sides of the supporting seat, and the two toggle mechanisms are used for pushing the base and the mounting seat to be away from the molding lower die respectively.
5. 5. The catheter balloon forming machine of claim 4, wherein the toggle mechanism comprises a translation module, a telescopic piece and a deflector rod, the translation module is arranged on one side of the supporting seat, the telescopic piece is arranged on the translation module, the deflector rod is connected with the telescopic piece, and the base and the mounting seat are both provided with limiting parts matched with the deflector rod.
6. 6. The catheter balloon molding machine of claim 4, wherein the blowing device comprises a sliding seat, a lifting piece and an adapter air tap, the sliding seat is connected to the frame in a sliding manner, the lifting piece is arranged on the sliding seat, a plurality of adapter air taps are arranged on the lifting piece, and the adapter air tap is connected with the blowing system.
7. 7. The catheter balloon molding machine according to any one of claims 1 to 3, further comprising an airtight detection mechanism, wherein the airtight detection mechanism comprises a lifting cylinder, a docking air tap and an air pressure detector, the lifting cylinder is arranged on the frame, a plurality of docking air taps are arranged on the lifting cylinder, the lifting cylinder is used for pushing the docking air tap to be communicated with the air blowing nozzle, and the docking air tap is connected with the air pressure detector through a pipe.
8. 8. The catheter balloon molding machine according to any one of claims 1 to 3, wherein a supporting mechanism is further arranged on the frame, the supporting mechanism is located at the bottom end of the pressing mechanism and is used for supporting the turntable, the supporting mechanism comprises a supporting cylinder, a top plate, a supporting guide rod, a flat pushing cylinder and a base plate, the supporting cylinder and the flat pushing cylinder are arranged on the frame, the top plate is arranged on the supporting cylinder, the supporting guide rod is arranged on the bottom side of the top plate, the base plate is connected with the flat pushing cylinder, and the flat pushing cylinder is used for pushing the base plate to move to the bottom end of the supporting guide rod.
9. 9. The catheter balloon molding machine of any one of claims 1 to 3, wherein the blanking device comprises a bracket, a linear module, a lifting mechanism and a clamping piece, the bracket is arranged on the frame, the linear module is arranged at the upper end of the bracket, the lifting mechanism is arranged on a movable seat of the linear module, a connecting plate is arranged at the bottom end of the lifting mechanism, the clamping piece is arranged at two ends of the connecting plate, the clamping piece comprises parallel clamps, clamping plates are arranged on two clamping jaws of the parallel clamps, and a plurality of clamping teeth are arranged on the clamping plates.
10. 10. The catheter balloon forming machine according to any one of claims 1 to 3, further comprising a slitting device, wherein the slitting device is arranged on the bottom side of the blanking device, the slitting device comprises a mounting frame, a first positioning die, a rotating motor, a jacking mechanism, a cutter, a second positioning die, a power assembly and a collecting box, the mounting frame is arranged on the frame, the first positioning die is rotatably connected to the upper end of the mounting frame, the first positioning die is provided with a plurality of clearance through grooves, the jacking mechanism is arranged on the bottom side of the mounting frame, a plurality of groups of cutters are arranged on the jacking mechanism and extend into the clearance through grooves, the second positioning die is connected with the power assembly, the power assembly is used for driving the second positioning die to cover the top side of the first positioning die, the rotating motor is connected with the first positioning die and used for driving the first positioning die to overturn, and the collecting box is arranged on one side of the mounting frame.

Description

Catheter balloon forming machine Technical Field The invention belongs to the technical field of medical catheter processing, and particularly relates to a catheter balloon forming machine. Background The medical instrument balloon is an interventional instrument which can play a specific function through inflation by inflation or liquid filling, and is widely applied to a plurality of clinical fields such as cardiovascular, urinary, digestive, nerve and the like. Its core function is to achieve therapeutic purposes by physical expansion, support, delivery or blocking. The Chinese patent publication No. CN223701794U discloses balloon stretch forming equipment, which specifically comprises a support frame, wherein an automatic feeding mechanism and an automatic discharging mechanism are arranged at the top of the support frame, a workbench is arranged in the support frame, a pre-stretching mechanism, a cutting and taking long mechanism, an automatic feeding mechanism and a stamping sealing mechanism are arranged on the workbench, the automatic feeding mechanism comprises a first linear motor sliding table module, a first linear screw sliding table module, a first driving cylinder, a feeding clamping jaw and/or a feeding sucker, the automatic feeding mechanism is used for completing the taking and placing and moving of a single tube, the automatic discharging mechanism is arranged on one side of the automatic feeding mechanism and comprises a second linear motor sliding table module, a second linear screw sliding table module, a second driving cylinder and a discharging clamping jaw, the automatic discharging mechanism is used for completing the taking and placing and moving of balloon products, the pre-stretching mechanism comprises a third linear motor sliding table module, a third driving cylinder, a pre-stretching assembly and a heating assembly, the pre-stretching mechanism is used for completing the cutting and taking of a guide tube, the pre-stretching mechanism is arranged on one side of the cutting and taking long mechanism, the automatic feeding mechanism is arranged on one side of the cutting and taking long tube, the automatic feeding mechanism comprises a fourth linear motor sliding table module, the cutting and taking clamping jaw is arranged on one side of the fourth linear motor sliding table module, the cutting and the fourth linear motor sliding table module is used for conducting and the cutting and sealing mechanism is arranged on one side of the fourth linear motor, the cutting and the fourth driving mechanism is used for cutting and sealing mechanism is arranged on one side of the fourth driving mechanism The device comprises a clamping and stretching assembly, a forming water jacket assembly, a die assembly and a stamping and sealing assembly, wherein the stamping and sealing mechanism is used for clamping a material pipe, stretching, inflating and hot-pressing to form a balloon catheter. The feeding mechanism and the discharging mechanism at the top of the supporting frame clamp the material taking pipe to carry out feeding and discharging, the pretensioning mechanism, the cutting and length taking mechanism, the automatic feeding mechanism and the stamping sealing mechanism which are arranged in parallel form a multi-station balloon production station, the material pipe is heated and pretensioned through the pretensioning mechanism, the material pipe is cut into fixed length through the cutting and length taking mechanism, the material taking pipe is clamped by the automatic feeding mechanism to carry out moving feeding, the material pipe is clamped by the stamping sealing mechanism to carry out stretching, inflating and hot-press forming, the whole process is monitored through a PLC control system and a corresponding sensor, full-automatic continuous production is completed, and a plurality of sets of product parameters can be stored and processed. The feeding mechanism comprises a first linear motor sliding table module and a first linear screw sliding table module, the discharging mechanism comprises a second linear motor sliding table module and a second linear screw sliding table module, the pre-stretching mechanism comprises a third linear motor sliding table module, a third driving cylinder, a pre-stretching assembly and a heating assembly, the cutting length taking mechanism comprises a cutting clamping jaw and a cutting blade which are arranged on the third driving cylinder, the automatic feeding mechanism comprises a plurality of groups of feeding clamping jaws and a matched fourth linear motor sliding table module which are arranged on the fourth driving cylinder, the stamping sealing mechanism comprises a clamping stretching assembly, a forming water jacket assembly, a die assembly, a stamping sealing assembly and a matched fifth linear motor sliding table module which are arranged on the fifth driving cylinder, and various processes such as material pipe pre-stretching, m