Balloon stretching forming equipment

The fully automated balloon stretching and forming equipment has enabled the efficient production of balloon catheters, solving the problem of low automation in existing technologies, improving production efficiency and yield, and ensuring the quality and performance of balloons.

CN223701794UActive Publication Date: 2025-12-23SHANGHAI HAOFENG MEDICAL TECH CO LTD
View PDF 0 Cites 1 Cited by

Patent Information

Application Number
CN202520107817.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-16
Publication Date
2025-12-23
Estimated Expiration
2035-01-16

AI Technical Summary

Technical Problem

The current balloon catheter manufacturing process has a low level of automation, resulting in low production efficiency, poor product quality consistency, and low yield. In particular, the problem of mold line joining affects the structural stability and sealing of the balloon.

Method used

The fully automated balloon stretching and forming equipment utilizes automatic feeding and unloading mechanisms, pre-stretching mechanisms, cutting and length-cutting mechanisms, automatic feeding mechanisms, and stamping and sealing mechanisms on the support frame to achieve heating, pre-stretching, cutting, feeding, and sealing hot pressing of the tube. The entire process is monitored by a PLC control system and sensors, reducing manual intervention.

Benefits of technology

This improved production efficiency, shortened processing time, significantly increased yield and product consistency, and ensured that the quality and performance of the balloons met the required standards.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223701794U_ABST
    Figure CN223701794U_ABST
Patent Text Reader

Abstract

The utility model discloses a balloon stretching forming device which comprises a supporting machine frame, an automatic feeding mechanism and an automatic discharging mechanism are installed on the top of the supporting machine frame, a working table is arranged in the supporting machine frame, and a plurality of sets of pre-stretching mechanisms, a cutting length taking mechanism, an automatic feeding mechanism and a stamping sealing mechanism are arranged on the working table. The stretching forming method comprises the steps that all the sliding table modules and the driving cylinders are reset, and machining parameters and a machining sequence are set; and taking out the single material tube in the material placing box, heating, synchronously pre-stretching the material tube, cutting into a set length, finishing feeding, heating, and filling nitrogen to finish balloon forming production and processing. According to the utility model, the whole process is completed by monitoring full-automatic continuous production through the PLC control system and the corresponding sensors, a plurality of sets of product parameters can be stored and processed, manual loading and unloading and inflation pressurization treatment are not needed, the processing time is effectively shortened, and the processing efficiency and the yield are improved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to medical processing equipment technical field especially, relates to a balloon stretch forming equipment. BACKGROUND

[0002] With the continuous development of medical technology, medical catheter plays a more and more key role in clinical treatment, and becomes an indispensable tool in many treatment methods. Especially in the treatment field of cardiovascular diseases, balloon catheter as an important medical instrument is widely used in the treatment of coronary artery disease, vascular stenosis and other cardiovascular problems. Therefore, in the design and production process of balloon catheter, it is necessary to ensure that it has very high machining precision to ensure the safety and curative effect in use.

[0003] At present, in the production process of balloon catheter, the automation level of forming machine is still low, and most of the equipment still adopts semi-automatic production mode. In this mode, each process is carried out separately, and a large amount of manual operation is required in each link. Due to the dispersion of operation and manual intervention, the production efficiency is low, the quality consistency of product is poor, the yield is low, and it is difficult to meet the demand of large-scale production. In order to solve this problem, some equipment manufacturers will adopt the mode of split mold to make balloon, which indeed improves the production efficiency and realizes partial automation to a certain extent. However, the split mold processing technology still has obvious defects, especially in the joint problem of the joint line: since the mold needs to be recombined after being split, the joint line produced during production will affect the structural stability and sealing performance of the balloon, and the balloon products with high requirements such as coronary balloon cannot meet the requirements, and the balloon production still needs manual feeding operation, so the automation degree is low CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at: in order to solve the above problems, the utility model provides a balloon stretch forming equipment.

[0005] The utility model discloses a specific adoption following technical scheme in order to realize the above-mentioned purpose, comprising:

[0006] Support frame, the support frame top is equipped with automatic feeding mechanism and automatic unloading mechanism, be provided with workbench in the support frame, be provided with pre-stretching mechanism, cutting and lengthening mechanism, automatic feeding mechanism and stamping sealing mechanism on the workbench;

[0007] The automatic feeding mechanism includes first linear motor sliding table module, first linear lead screw sliding table module, first drive cylinder, feeding clamp jaw and / or feeding suction cup, and the automatic feeding mechanism is used for completing the taking and moving of single pipe material;

[0008] The automatic unloading mechanism is arranged on one side of the automatic feeding mechanism, and comprises a second linear motor sliding table module, a second linear lead screw sliding table module, a second driving cylinder and an unloading gripper. The automatic unloading mechanism is used for completing the taking, placing and moving of the balloon product.

[0009] 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 heating and pre-stretching of the catheter.

[0010] The cutting and lengthening mechanism is arranged on one side of the pre-stretching mechanism, and comprises a cutting assembly and a fourth driving cylinder. The cutting and lengthening mechanism is used for clamping the fixed-length cutting pipe.

[0011] The automatic feeding mechanism is arranged on one side of the cutting and lengthening mechanism, and comprises a fourth linear motor sliding table module, a fourth driving cylinder and a feeding gripper. The automatic feeding mechanism is used for clamping the pipe for movement and feeding.

[0012] The stamping and sealing mechanism is arranged on one end of the cutting and lengthening mechanism, and comprises a fifth linear motor sliding table module, a fifth driving cylinder, a clamping and stretching assembly, a forming water jacket assembly, a mold assembly and a stamping and sealing assembly. The stamping and sealing mechanism is used for clamping the pipe, stretching, inflating and hot pressing to form the balloon catheter.

[0013] In some embodiments, the support frame comprises side support weldments and top support weldments. The top support weldments and the side support weldments are welded and connected. The first linear motor sliding table module and the second linear motor sliding table module are installed in parallel between the top support weldments.

[0014] The first fixed plate is installed on the top support weldment through a first support block. The first linear lead screw sliding table module and the second linear lead screw sliding table module are installed in parallel at the lower part of the first fixed plate.

[0015] The second fixed plate is installed on the workbench through a second support block. The third linear motor sliding table module and the fourth linear motor sliding table module are installed on the upper part of the second fixed plate.

[0016] In some embodiments, the first linear motor sliding table module comprises a first sliding table. The first driving cylinder is detachably connected to the first sliding table through a first mounting plate and a first sliding plate at the bottom of the first sliding table. The first driving cylinder comprises a plurality of feeding cylinders. The feeding cylinders on both sides are detachably connected to the feeding gripper through a first connecting plate. The feeding cylinders in the middle are detachably connected to a feeding suction disc through a first connecting plate.

[0017] In some embodiments, the second linear motor sliding table module includes a second sliding table, the second driving cylinder is detachably connected through a second mounting plate and a second sliding plate at the bottom of the second sliding table, the second driving cylinder includes a plurality of unloading cylinders, the unloading cylinders are detachably connected through a second connecting plate and unloading clamps.

[0018] In some embodiments, the third linear motor sliding table module includes a third sliding table, the third driving cylinder is detachably connected through a third mounting plate and a third sliding plate at the top of the third sliding table, one side of the third sliding table is provided with a position sensor, a floating seat is arranged between the third mounting plate and the third driving cylinder, and a tension sensor is arranged in the floating seat.

[0019] The third driving cylinder includes a plurality of pre-stretching cylinders and heating cylinders, the pre-stretching cylinders are detachably connected with pre-stretching assemblies, the pre-stretching assemblies include pre-stretching clamps, the heating cylinders are detachably connected with heating assemblies, and the heating assemblies include heating plates.

[0020] A plurality of the heating plates are arranged between the pre-stretching clamps, a gear and rack sliding module is arranged below the heating cylinders, and the heating cylinders are detachably connected through a sliding seat and a rack transmission module.

[0021] In some embodiments, the second driving cylinder is detachably connected through a cutting fixed plate and a cutting support plate, the second driving cylinder includes cutting cylinders and jacking cylinders, a cutting assembly includes cutting clamps and cutting blades, the cutting clamps are detachably connected through the cutting fixed plate and the cutting cylinders, and the cutting blades are detachably connected through blade supports and the jacking cylinders.

[0022] In some embodiments, a material box mechanism is arranged between the cutting and lengthening mechanism and the automatic feeding mechanism, the material box mechanism includes a support frame, a placement plate is arranged at the upper portion of the support frame, a material box is arranged at the upper portion of the placement plate, the material box is provided with a material placing area, and waste areas are arranged at both ends of the material placing area.

[0023] In some embodiments, the fourth linear motor sliding table module includes a fourth sliding table, the fourth driving cylinder is detachably connected through a fourth mounting plate and a fourth sliding plate at the top of the fourth sliding table, the fourth driving cylinder includes a plurality of feeding cylinders, and the feeding cylinders are detachably connected through a fourth connecting plate and feeding clamps.

[0024] In some embodiments, the fifth linear motor sliding table module includes a fifth sliding table, the fifth driving cylinder is detachably connected through a fifth mounting plate and a fifth sliding plate at the top of the fifth sliding table.

[0025] The fifth driving cylinder comprises a restretching cylinder, a sliding cylinder and a pressing oil cylinder, the restretching cylinder is detachably connected through the fifth connecting plate and the clamping and stretching assembly, the sliding cylinder is detachably connected through the fifth connecting plate and the die assembly, and the pressing oil cylinder is detachably connected through the fifth connecting plate and the stamping and sealing assembly.

[0026] In some embodiments, the clamping and stretching assembly comprises a restretching chuck, the restretching chuck is detachably connected with the restretching cylinder output end, the forming water jacket assembly comprises a shell, a heating cavity is arranged inside the shell, the die assembly comprises a distal end die and a proximal end die, the distal end die and the proximal end die are arranged at both ends of the forming water jacket assembly, and the stamping and sealing assembly comprises a sealing chuck, the sealing chuck is detachably connected with the pressing oil cylinder output end.

[0027] The utility model discloses the following beneficial effects:

[0028] 1. The utility model discloses a material pipe is taken to the up and down material through the feeding mechanism and the discharging mechanism of support rack top, and a plurality of groups of parallel setting pre -stretching mechanism, cutting and lengthening mechanism, automatic feeding mechanism and punch seal mechanism constitute multi -station balloon production station, and the heating pre -stretching of material pipe is carried out through pre -stretching mechanism, and the fixed length cutting of material pipe is carried out through cutting and lengthening mechanism, and the movement feeding of material pipe is carried out through automatic feeding mechanism, and the restretching inflation hot -pressing of material pipe is carried out through punch seal mechanism, and the whole process is all through PLC control system and corresponding sensor monitoring full -automatic continuous production completes, can store and process to a plurality of product parameters, need not manual up and down material and inflation pressure processing, effectively shorten the processing time, improve the processing efficiency and the yield rate, and the utility model discloses a kind of multi -station balloon production station, which is used to realize the automatic production of material pipe, and the utility model discloses the following beneficial effects:

[0029] 2. The utility model, the feeding mechanism includes first linear motor sliding table module and first linear screw sliding table module, the blanking mechanism includes second linear motor sliding table module and second linear screw sliding table module, the pre -stretching mechanism includes third linear motor sliding table module, third drive cylinder, pre -stretching subassembly and heating subassembly, the cutting and taking long mechanism includes the cutting clamp jaw and cutting blade installed on the third drive cylinder, the automatic feeding mechanism includes a plurality of groups of feeding clamp jaw and the fourth linear motor sliding table module of cooperation installed on the fourth drive cylinder, the stamping sealing mechanism includes the clamping stretching subassembly, the forming water jacket subassembly, the die assembly and the stamping sealing subassembly and the fifth linear motor sliding table module of cooperation installed on the fifth drive cylinder, can complete each process progress such as material pipe pre -stretching, material pipe cutting, material pipe passes through die straight section, sends into near end mould, sends into far end mould, material pipe again stretches and hot pressing seal etc. Feeding clamp jaw moves feeding, pre -stretching is heated through the heating plate and pre -stretching chuck, subsequently through cutting clamp jaw determines the cutting length and is cut through cutting blade, feeding clamp jaw clamps and takes material pipe and moves, after one end of material pipe is sent into near end mould, is fixed through sealing clamp head, the other end of material pipe is sent into far end mould and is fixed through stretching clamp head, subsequently material pipe and forming water jacket subassembly are folded, the length is adjusted through clamping stretching subassembly, after heating, pressure is carried out through sealing clamp head and balloon forming.

[0030] In order to more clearly set forth the structural features and action of the utility model, below, combining with specific embodiment to the utility model is explained in detail with drawing. DRAWINGS

[0031] Figure 1 The structure diagram of balloon stretch forming equipment that the utility model proposes Figure One ;

[0032] Figure 2 The structure diagram of balloon stretch forming equipment that the utility model proposes Figure Two ;

[0033] Figure 3 The structure diagram of support frame in balloon stretch forming equipment that the utility model proposes

[0034] Figure 4 The structure diagram of automatic feeding mechanism in balloon stretch forming equipment that the utility model proposes

[0035] Figure 5 The structure diagram of automatic blanking mechanism in balloon stretch forming equipment that the utility model proposes

[0036] Figure 6 The structure diagram of pre -stretching mechanism in balloon stretch forming equipment that the utility model proposes

[0037] Figure 7The structure diagram of the cutting and lengthening mechanism in the balloon stretch forming equipment is provided in the utility model.

[0038] Figure 8 The structure diagram of the automatic feeding mechanism in the balloon stretch forming equipment is provided in the utility model.

[0039] Figure 9 The structure diagram of the stamping sealing mechanism in the balloon stretch forming equipment is provided in the utility model.

[0040] Figure 10 The structure diagram of the material box mechanism in the balloon stretch forming equipment is provided in the utility model.

[0041] Reference signs:

[0042] 1, support frame; 11, workbench; 12, side support welding; 13, top support welding; 14, first support block; 15, first fixed plate; 16, second support block; 17, second fixed plate; 2, automatic feeding mechanism; 21, first linear motor sliding table module; 211, first sliding table; 212, first mounting plate; 213, first sliding plate; 214, first connecting plate; 22, first linear lead screw sliding table module; 23, first drive cylinder; 231, feeding cylinder; 24, feeding clamp jaw; 25, feeding suction cup; 3, automatic unloading mechanism; 31, second linear motor sliding table module; 311, second sliding table; 312, second mounting plate; 313, second sliding plate; 314, second connecting plate; 32, second linear lead screw sliding table module; 33, second drive cylinder; 331, unloading cylinder; 34, unloading clamp jaw; 4, pre-stretching mechanism; 41, third linear motor sliding table module; 411, third sliding table; 412, third mounting plate; 413, third sliding plate; 414, position sensor; 415, floating seat; 416, tension sensor; 42, third drive cylinder; 421, pre-stretching cylinder; 422, heating cylinder; 43, pre-stretching assembly; 431, pre-stretching chuck; 44, heating assembly; 441, heating plate; 45, rack and pinion sliding module; 451, sliding seat; 5, cutting and lengthening mechanism; 51, cutting assembly; 511, cutting fixed plate; 512, cutting support plate; 513, cutting clamp jaw; 514, cutting blade; 515, blade support; 52, cutting drive cylinder; 521, cutting cylinder; 522, jacking cylinder; 6, automatic feeding mechanism; 61, fourth linear motor sliding table module; 611, fourth sliding table; 612, fourth mounting plate; 613, fourth sliding plate; 614, fourth connecting plate; 62, fourth drive cylinder; 621, feeding cylinder; 63, feeding clamp jaw; 7, stamping and sealing mechanism; 71, fifth linear motor sliding table module; 711, fifth sliding table; 712, fifth mounting plate; 713, fifth sliding plate; 714, fifth connecting plate; 72, fifth drive cylinder; 721, re-stretching cylinder; 722, sliding cylinder; 723, pressing cylinder; 73, clamping and stretching assembly; 731, re-stretching chuck; 74, formed water jacket assembly; 741, shell; 75, mold assembly; 751, distal end mold; 752, proximal end mold; 76, stamping and sealing assembly; 761, sealing chuck; 8, box mechanism; 81, support frame; 82, placement plate; 83, box; 831, discharging area; 832, waste area. DETAILED DESCRIPTION

[0043] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model.

[0044] The embodiment of the application provides a balloon stretch forming equipment and a stretch forming method, and solves the problems of low automation level of a forming machine in the prior art, large amount of manual operation, low production efficiency, poor consistency of products, and low yield. The upper feeding mechanism and the lower feeding mechanism on the top of the support rack clamp the material pipe to feed and discharge, a plurality of groups of pre-stretching mechanisms, cutting and lengthening mechanisms, automatic feeding mechanisms and stamping sealing mechanisms are arranged in parallel to form a multi-station balloon production station, the material pipe is heated and pre-stretched through the pre-stretching mechanism, the material pipe is cut to a fixed length through the cutting and lengthening mechanism, the material pipe is clamped and moved for feeding through the automatic feeding mechanism, and the material pipe is clamped and stretched to be formed through the stamping sealing mechanism. The whole process is monitored by a PLC control system and corresponding sensors to realize full-automatic continuous production, a plurality of product parameters can be stored and processed, manual feeding and discharging and air inflation and pressure processing are not needed, the processing time is effectively shortened, and the processing efficiency and the yield are improved.

[0045] Specifically, refer to the following embodiments:

[0046] With reference to Figures 1-10 The embodiment of the balloon stretch forming equipment provided by the application comprises: a support rack 1, an automatic feeding mechanism 2 and an automatic discharging mechanism 3 are installed on the top of the support rack 1, a workbench 11 is arranged in the support rack 1, a plurality of groups of pre-stretching mechanisms 4, cutting and lengthening mechanisms 5, automatic feeding mechanisms 6 and stamping sealing mechanisms 7 are arranged in parallel on the workbench 11, and a multi-station balloon production station is formed.

[0047] The automatic feeding mechanism 2 is composed of a first linear motor sliding table module 21, a first linear lead screw sliding table module 22, a first driving cylinder 23, a feeding clamp jaw 24 and / or a feeding suction disc 25 and the like, is used for accurate taking and moving of single pipe material, and ensures continuity and smoothness of the production line. Similarly, the automatic discharging mechanism 3 is installed on one side of the automatic feeding mechanism 2, the discharging mechanism comprises a second linear motor sliding table module 31, a second linear lead screw sliding table module 32, a second driving cylinder 33 and a discharging clamp jaw 34, is used for taking and moving of the balloon catheter finished product, and accurately sends the finished product to a specified position. The automatic feeding mechanism 2 and the automatic discharging mechanism 3 can automatically complete directional movement of the pipe material, can automatically complete processes such as pre-stretching of the material pipe, cutting of the material pipe, passing of the material pipe through a straight section of a mold, feeding of the material pipe into a proximal end mold 752, feeding of the material pipe into a distal end mold 751, re-stretching of the material pipe and heat sealing of the material pipe, effectively reduces manual intervention, and improves production efficiency and safety.

[0048] The pre-stretching mechanism 4 comprises a third linear motor sliding table module 41, a third driving cylinder 42, a pre-stretching assembly 43 and a heating assembly 44, can accurately heat and pre-stretch the balloon bubble.

[0049] The cutting and lengthening mechanism 5 is arranged on one side of the pre-stretching mechanism 4 and is composed of a cutting assembly 51 and a cutting driving cylinder 52, which can accurately clamp the pipe material and accurately cut, ensuring that the length of each pipe material meets the production standard.

[0050] The automatic feeding mechanism 6 is arranged on one side of the cutting and lengthening mechanism 5 and includes a fourth linear motor sliding table module 61, a fourth driving cylinder 62 and a feeding clamp jaw 63, which can accurately control the conveying and positioning of the pipe material.

[0051] The stamping and sealing mechanism 7 is arranged at one end of the cutting and lengthening mechanism 5 and includes a fifth linear motor sliding table module 71, a fifth driving cylinder 72, a clamping and stretching assembly 73, a formed water jacket assembly 74, a mold assembly 75 and a stamping and sealing assembly 76, which can complete the sealing and hot pressing forming of the balloon catheter in a short time through precise control of the coordinated work of each assembly, ensuring that the quality and performance of each balloon meet the standard requirements.

[0052] Specifically, the control and monitoring of the entire production process is completed by the upper computer system, the PLC control system and the matching sensors. The PLC control system collects data of each module in real time, and through accurate logical judgment and automatic adjustment, it ensures seamless connection and efficient operation of each link. At the same time, the upper computer system can store multiple sets of product parameter settings and make flexible adjustments according to the needs of different production batches without manual intervention, ensuring the stability and consistency of the production process. The sensors are responsible for monitoring the running state and key parameters of each link and feeding back abnormal information in real time, further improving the controllability and safety of the production process. Through this fully automated and continuous production method, the manufacturing of the balloon not only effectively shortens the processing cycle, but also significantly improves the production efficiency, product yield and consistency.

[0053] Please continue to refer to Figure 2 and Figure 3 In the present embodiment, the support frame 1 includes side support weldments 12 and top support weldments 13, and the top support weldments 13 and the side support weldments 12 are welded and connected, ensuring the overall rigidity and structural stability of the frame.

[0054] Among them, the first linear motor sliding table module 21 and the second linear motor sliding table module 31 are installed in parallel between the top support weldments 13, which can effectively improve the stability and accuracy of the driving system, making the subsequent processing steps can be smoothly executed.

[0055] Further, the first fixed plate 15 is stably mounted on the top bracket weldment 13 through the first support block 14, so that the first linear motor slide module 22 and the second linear motor slide module 32 can be installed in parallel on the lower part of the first fixed plate 15, ensuring that the two slide modules can accurately move on the same horizontal plane, effectively reducing the error in operation, and providing sufficient support force to ensure precise operation. Similarly, the second fixed plate 17 is stably mounted on the top bracket weldment 13 on the second support block 16 of the second support block 11, and supports the third linear motor slide module 41 and the fourth linear motor slide module 61 through the fixed plate. The two slide modules are also installed in parallel on the upper part of the second fixed plate 17. This structural design not only makes the work of multiple slide modules not interfere with each other, but also ensures that they can accurately cooperate to complete the production task.

[0056] Please continue to refer to Figure 2 、 Figure 4 and Figure 5 In this embodiment, the first linear motor slide module 21 includes a first slide 211, and the first drive cylinder 23 is detachably connected through the first mounting plate 212 and the first sliding plate 213 at the bottom of the first slide 211.

[0057] Among them, the first drive cylinder 23 includes a plurality of feeding cylinders 231, and the feeding jaws 24 are detachably connected with the feeding cylinders 231 on both sides through the first connecting plate 214. The feeding cylinders 231 drive the feeding jaws 24 to accurately grab the material, completing the vertical or horizontal carrying of the material pipe; the middle feeding cylinder 231 is detachably connected with the feeding suction disc 25 through the first connecting plate 214, and the suction force generated by the externally connected vacuum generator is used to adsorb the material pipe, cooperating to complete the vertical or horizontal carrying of the material pipe.

[0058] Similarly, the second linear motor slide module 31 includes a second slide 311, and the second drive cylinder 33 is detachably connected through the second mounting plate 312 and the second sliding plate 313 at the bottom of the second slide 311.

[0059] Among them, the second drive cylinder 33 includes a plurality of unloading cylinders 331, and the unloading cylinders 331 are detachably connected with the unloading jaws 34 through the second connecting plate 314. The unloading cylinders 331 drive the unloading jaws 34 to accurately grab the balloon catheter, completing the vertical or horizontal carrying of the balloon material pipe.

[0060] Please continue to refer to Figure 2 and Figure 6 In this embodiment, the third linear motor slide module 41 includes a third slide 411, and the third drive cylinder 42 is detachably connected through the third mounting plate 412 and the third sliding plate 413 at the top of the third slide 411.

[0061] Specifically, the third sliding table 411 is provided with a position sensor 414 on one side, the position sensor 414 is a grating sensor, and a plurality of position sensors 414 are provided. The third sliding table 411 is also provided with a light shield on one side, which can position the position of the pre-stretching assembly 43, stop moving when reaching the specified position, and then complete the stretching and resetting; the third mounting plate 412 and the third drive cylinder 42 are provided with a floating seat 415, the floating seat 415 is provided with a tension sensor 416 inside, the two sides of the tension sensor 416 are connected with the third mounting plate 412 and the floating seat 415 respectively, which can monitor the stretching force of the pre-stretching assembly 43 in real time, and prevent the catheter from breaking.

[0062] Further, the third drive cylinder 42 includes a plurality of pre-stretching cylinders 421 and heating cylinders 422, the pre-stretching cylinders 421 and the pre-stretching assembly 43 are detachably connected, the pre-stretching assembly 43 includes a pre-stretching chuck 431 for clamping the two ends of the catheter; the heating cylinder 422 is detachably connected with the heating assembly 44, and the heating assembly 44 includes a heating plate 441 for heating the catheter;

[0063] Specifically, a plurality of heating plates 441 are arranged between the pre-stretching chucks 431, and a gear and rack sliding module 45 is arranged below the heating cylinder 422. The heating cylinder 422 is detachably connected with the sliding seat 451 and the gear and rack transmission module, the distance between the heating plates 441 can be adjusted by the heating cylinder 422, and the heating temperature can be adjusted. The gear and rack sliding module 45 is driven by the driving motor arranged at the bottom to move, thereby adjusting the distance between the adjacent heating plates 441, and adjusting the length of the balloon cavity by adjusting the heating area. The catheter can be heated on both sides at the same time, and the two sides are stretched synchronously by the pre-stretching chucks 431 after heating is completed. The balloon is simultaneously subjected to the stretching stress, ensuring the accuracy of balloon stretching and forming. Only one stretching is needed to complete the process, effectively improving the processing efficiency.

[0064] Please continue to refer to Figure 2 and Figure 7 In the embodiment, the second drive cylinder 33 is detachably connected with the cutting fixed plate 511 and the cutting support plate 512, and the second drive cylinder 33 includes a cutting cylinder 521 and a jacking cylinder 522. The cutting assembly 51 includes a cutting clamp jaw 513 and a cutting blade 514.

[0065] The cutting clamp jaw 513 is detachably connected with the cutting fixed plate 511 and the cutting cylinder 521, and can be adaptively adjusted according to the shape and size of the material, ensuring that the material can be stably maintained in the correct position during the entire cutting process, and the clamping force on the material pipe can be accurately adjusted. The cutting blade 514 is detachably connected with the blade support 515 and the jacking cylinder 522, ensuring that the cutting blade 514 can quickly and accurately complete the cutting action, thereby realizing accurate cutting of the material.

[0066] Please continue to see Figure 2 and Figure 8 In this embodiment, the fourth linear motor slide module 61 includes a fourth slide 611, and the fourth drive cylinder 62 is detachably connected through the fourth mounting plate 612 and the fourth sliding plate 613 on the top of the fourth slide 611.

[0067] The fourth drive cylinder 62 includes a plurality of feeding cylinders 621, which are detachably connected through the fourth connecting plate 614 and the feeding clamp jaw 63, so that the material pipe is continuously conveyed to the next process section in steps after being cut according to the set length.

[0068] Please continue to see Figure 2 and Figure 9 In this embodiment, the fifth linear motor slide module 71 includes a fifth slide 711, and the fifth drive cylinder 72 is detachably connected through the fifth mounting plate 712 and the fifth sliding plate 713 on the top of the fifth slide 711.

[0069] The fifth drive cylinder 72 includes a restretching cylinder 721, a sliding cylinder 722 and a pressing oil cylinder 723. The restretching cylinder 721 is detachably connected through the fifth connecting plate 714 and the clamping and stretching assembly 73, and is used for clamping and stretching the section of the material pipe on the feeding clamp jaw 63 into the distal mold 751 during processing. The sliding cylinder 722 is detachably connected through the fifth connecting plate 714 and the mold assembly 75, and is used for mold forming of the material pipe entering the forming water jacket assembly 74. The pressing oil cylinder 723 is detachably connected through the fifth connecting plate 714 and the stamping sealing assembly 76, and is used for clamping and inflating the section of the material pipe on the feeding clamp jaw 63 into the proximal mold 752 during processing.

[0070] Further, the clamping and stretching assembly 73 includes a restretching chuck 731, which is detachably connected with the output end of the restretching cylinder 721. The forming water jacket assembly 74 includes an outer shell 741, which is internally provided with a heating cavity for circulating medium to heat the balloon material pipe. The mold assembly 75 includes a distal mold 751 and a proximal mold 752, which are arranged at both ends of the forming water jacket assembly 74. The two sections of the material pipe clamped by the feeding clamp jaw 63 will enter the forming water jacket assembly 74 through the proximal mold 752 and the distal mold 751 respectively during processing.

[0071] Further, the punch sealing assembly 76 comprises a sealing chuck 761, which is detachably connected with the output end of the pressing cylinder 723.

[0072] Please continue to see Figure 2 and Figure 10 In the embodiment, the cutting and lengthening mechanism 5 and the automatic feeding mechanism 6 are provided with a material box mechanism 8, the material box mechanism 8 comprises a support frame 81, the upper portion of the support frame 81 is provided with a placing plate 82, the upper portion of the placing plate 82 is provided with a material box 83, the material box 83 is provided with a material placing area 831 for placing the material pipe to be processed, and the material placing area 831 is provided with a waste area 832 at both ends, and the waste material pipe cut off at both ends is clamped by the feeding clamp jaw 24 of the automatic feeding mechanism 2 and placed in the waste area 832.

[0073] The standard parts used in the embodiment can be purchased from the market, and the special-shaped parts can be ordered according to the description and the drawings, and the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, and the machinery, parts and equipment adopt the conventional types in the prior art, which will not be described in detail here, and the contents not described in detail in the description belong to the prior art known to those skilled in the art.

[0074] The utility model also provides a kind of balloon stretch forming method embodiment, via as above-mentioned embodiment in balloon stretch forming equipment and execute, and stretch forming method steps include:

[0075] Touch display screen reset all slide table module and drive cylinder by host computer connection, and set processing parameter and processing sequence according to product model and production demand;

[0076] The feeding cylinder 231 drives the feeding clamp jaw 24 and / or the feeding suction disc 25 to take out a single material pipe in the material box 83, and moves the material pipe to the next processing station by vertical and horizontal horizontal movement, the pre-stretching cylinder 421 drives the pre-stretching chuck 431 to clamp the two ends of the material pipe, adjusts the distance by gear and rack mechanism, synchronously pre-stretches the material pipe after heating by the folding heating plate 441 of the heating cylinder 422, and monitors the production parameters by the position sensor 414 and the tension sensor 416 during the period, to automatically adjust the length of the balloon bubble.

[0077] The feeding cylinder 231 drives the feeding clamp jaw 24 and / or the feeding suction disc 25 to take out the pre-stretched pipe, the cutting cylinder 521 drives the cutting clamp jaw 513 to clamp and fix the pipe, the lifting cylinder 522 drives the cutting blade 514 to cut the pipe into a set length, and the waste is clamped by the feeding clamp jaw 24 and placed in the waste area 832 of the waste box 83;

[0078] The feeding cylinder 621 drives the feeding clamp jaw 63 at the feeding end and the middle part to clamp and take the cut pipe and move synchronously, drives the pipe to pass through the forming water jacket assembly 74, and completes the feeding of the straight section mold of the water jacket;

[0079] The feeding cylinder 621 drives the feeding clamp jaw 63 at the feeding end to clamp and take the pipe end passing through the forming water jacket assembly 74 and the feeding clamp jaw 63 at the feeding end to move synchronously to send the pipe out by a fixed distance, loosens and retreats to the clamping position, clamps the pipe again to send it out by a fixed distance, and repeats the above-mentioned actions until the pipe enters the sealing chuck 761 after passing through the inside of the proximal mold 752, completes the feeding of the proximal mold 752, the sealing chuck 761 is locked and sealed by the pressing cylinder 723, and the feeding cylinder 621 drives the feeding clamp jaw 63 at the middle part to move out to the initial position;

[0080] The feeding cylinder 621 drives the feeding clamp jaw 63 at the feeding end, the distal mold 751 and the stretching chuck to move synchronously in the same way to send the other end of the pipe passing through the distal mold 751 into the stretching chuck 731 to be clamped and fixed, and completes the feeding of the distal mold 751;

[0081] The distal mold 751, the proximal mold 752 and the forming water jacket assembly 74 are folded, the balloon bubble position is adjusted to be in the middle, nitrogen is heated and filled to complete the balloon forming production and processing;

[0082] The feeding cylinder 621 drives the feeding clamp jaw 63 at the feeding end, the distal mold 751 and the stretching chuck to move synchronously in the same way to send the other end of the pipe passing through the distal mold 751 into the stretching chuck 731 to be clamped and fixed, and completes the feeding of the distal mold 751;

[0083] The above description of the disclosed embodiments enables a person skilled in the art to implement or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A balloon stretch forming apparatus characterized by, The utility model relates to a kind of automatic ballon production line, including: Support frame (1), the automatic feeding mechanism (2) and automatic unloading mechanism (3) are mounted on the top of the support frame (1), workbench (11) is provided in the support frame (1), and multiple groups of pre-stretching mechanism (4), cutting and lengthening mechanism (5), automatic feeding mechanism (6) and stamping sealing mechanism (7) are provided on the workbench (11); The automatic feeding mechanism (2) includes first linear motor sliding table module (21), first linear lead screw sliding table module (22), first drive cylinder (23), feeding clamp jaw (24) and / or feeding suction cup (25), and the automatic feeding mechanism (2) is used to complete the taking and moving of single pipe material; The automatic unloading mechanism (3) is arranged on one side of the automatic feeding mechanism (2), and the automatic unloading mechanism (3) includes second linear motor sliding table module (31), second linear lead screw sliding table module (32), second drive cylinder (33) and unloading clamp jaw (34), and the automatic unloading mechanism (3) is used to complete the taking and moving of balloon product; The pre-stretching mechanism (4) includes third linear motor sliding table module (41), third drive cylinder (42), pre-stretching assembly (43) and heating assembly (44), and the pre-stretching mechanism (4) is used to complete the heating and pre-stretching of conduit pipe; The cutting and lengthening mechanism (5) is arranged on one side of the pre-stretching mechanism (4), and the cutting and lengthening mechanism (5) includes cutting assembly (51) and cutting drive cylinder (52), and the cutting and lengthening mechanism (5) is used to clamp fixed-length cutting material pipe; The automatic feeding mechanism (6) is arranged on one side of the cutting and lengthening mechanism (5), and the automatic feeding mechanism (6) includes fourth linear motor sliding table module (61), fourth drive cylinder (62) and feeding clamp jaw (63), and the automatic feeding mechanism (6) is used to clamp material pipe for movement feeding; The stamping sealing mechanism (7) is arranged at one end of the cutting and lengthening mechanism (5), and the stamping sealing mechanism (7) includes fifth linear motor sliding table module (71), fifth drive cylinder (72), clamping stretching assembly (73), forming water jacket assembly (74), mold assembly (75) and stamping sealing assembly (76), and the stamping sealing mechanism (7) is used to clamp material pipe to stretch and inflate hot-pressing to form balloon conduit.

2. The balloon stretch forming apparatus of claim 1, wherein, The support frame (1) includes side support weldment (12) and top support weldment (13), the top support weldment (13) and the side support weldment (12) are weldedly connected, and the first linear motor sliding table module (21) and the second linear motor sliding table module (31) are installed in parallel between the top support weldment (13); The first fixed plate (15) is installed on the top support weldment (13) through the first support block (14), and the first linear lead screw sliding table module (22) and the second linear lead screw sliding table module (32) are installed in parallel at the lower part of the first fixed plate (15); The second fixed plate (17) is installed on the workbench (11) through the second support block (16), and the third linear motor sliding table module (41) and the fourth linear motor sliding table module (61) are installed on the upper portion of the second fixed plate (17) in parallel.

3. The balloon stretch forming apparatus of claim 1, wherein, The first linear motor sliding table module (21) comprises a first sliding table (211), the first driving cylinder (23) is detachably connected with the first sliding table (211) through a first mounting plate (212) and a first sliding plate (213) at the bottom of the first sliding table (211), and the first driving cylinder (23) comprises a plurality of feeding cylinders (231).

4. The balloon stretch forming apparatus of claim 1, wherein, The second linear motor sliding table module (31) comprises a second sliding table (311), the second driving cylinder (33) is detachably connected with the second sliding table (311) through a second mounting plate (312) and a second sliding plate (313) at the bottom of the second sliding table (311), and the second driving cylinder (33) comprises a plurality of discharging cylinders (331).

5. The balloon stretch forming apparatus of claim 1, wherein, The third linear motor sliding table module (41) comprises a third sliding table (411), the third driving cylinder (42) is detachably connected with the third sliding table (411) through a third mounting plate (412) and a third sliding plate (413) at the top of the third sliding table (411), one side of the third sliding table (411) is provided with a position sensor (414), a floating seat (415) is arranged between the third mounting plate (412) and the third driving cylinder (42), and a tension sensor (416) is arranged in the floating seat (415). The third driving cylinder (42) comprises a plurality of pre-stretching cylinders (421) and heating cylinders (422), the pre-stretching cylinders (421) are detachably connected with a pre-stretching assembly (43), the pre-stretching assembly (43) comprises a pre-stretching chuck (431), the heating cylinders (422) are detachably connected with a heating assembly (44), and the heating assembly (44) comprises a heating plate (441). A plurality of heating plates (441) are arranged between the pre-stretching chucks (431), and a gear and rack sliding module (45) is arranged below the heating cylinders (422), and the heating cylinders (422) are detachably connected with the gear and rack transmission module through a sliding seat (451).

6. The balloon stretch forming apparatus of claim 1, wherein, The second driving cylinder (33) is detachably connected with a cutting fixed plate (511) and a cutting support plate (512), the second driving cylinder (33) comprises a cutting cylinder (521) and a jacking cylinder (522), the cutting assembly (51) comprises a cutting clamp jaw (513) and a cutting blade (514), the cutting clamp jaw (513) is detachably connected with the cutting cylinder (521) through the cutting fixed plate (511), and the cutting blade (514) is detachably connected with the jacking cylinder (522) through a blade support (515).

7. The balloon stretch forming apparatus of claim 1, wherein, The cutting and lengthening mechanism (5) and the automatic feeding mechanism (6) are provided with a magazine mechanism (8), the magazine mechanism (8) comprises a support frame (81), a placing plate (82) is installed on the upper part of the support frame (81), a magazine (83) is installed on the upper part of the placing plate (82), the magazine (83) is provided with a placing area (831), and waste areas (832) are arranged at both ends of the placing area (831).

8. The balloon stretch forming apparatus of claim 1, wherein, The fourth linear motor sliding table module (61) comprises a fourth sliding table (611), the fourth driving cylinder (62) is detachably connected with the fourth sliding plate (613) at the top of the fourth sliding table (611) through the fourth mounting plate (612), the fourth driving cylinder (62) comprises a plurality of feeding cylinders (621), the feeding cylinders (621) are detachably connected with the feeding clamping jaw (63) through the fourth connecting plate (614).

9. The balloon stretch forming apparatus of claim 1, wherein, The fifth linear motor sliding table module (71) comprises a fifth sliding table (711), the fifth driving cylinder (72) is detachably connected with the fifth sliding plate (713) at the top of the fifth sliding table (711) through the fifth mounting plate (712); The fifth driving cylinder (72) comprises a restretching cylinder (721), a sliding cylinder (722) and a pressing oil cylinder (723), the restretching cylinder (721) is detachably connected with the clamping and stretching assembly (73) through the fifth connecting plate (714), the sliding cylinder (722) is detachably connected with the die assembly (75) through the fifth connecting plate (714), and the pressing oil cylinder (723) is detachably connected with the stamping sealing assembly (76) through the fifth connecting plate (714).

10. The balloon stretch forming apparatus of claim 9, wherein, The clamping and stretching assembly (73) comprises a restretching chuck (731), the restretching chuck (731) is detachably connected with the output end of the restretching cylinder (721), the forming water jacket assembly (74) comprises an outer shell (741), a heating cavity is arranged in the outer shell (741), the die assembly (75) comprises a distal end die (751) and a proximal end die (752), the distal end die (751) and the proximal end die (752) are arranged at both ends of the forming water jacket assembly (74), and the stamping sealing assembly (76) comprises a sealing chuck (761), the sealing chuck (761) is detachably connected with the output end of the pressing oil cylinder (723).

Citation Information

Cited By

  • Catheter balloon forming machine

    CN121973425A