Automatic wire binding machine for balloon catheter

Abstract

The utility model relates to an automatic wire binding machine for a balloon catheter, which is characterized by comprising a tension regulator, a rope damping device, a wire binding device, a catheter fixing device, a cylindrical slide rail and a wire clamping wheel, and the tension regulator, the rope damping device, the wire binding device and the catheter fixing device are fixedly mounted on a bottom plate through screws; the cylindrical sliding rail and the wire clamping wheel are installed on the wire binding device and the guide pipe fixing device respectively. According to the automatic wire binding equipment provided by the utility model, the tension and the speed of the wire rope are mechanically controlled, so that the binding wire is compact and is not broken, and the screw pitch is uniform. According to the utility model, the thread rope passes through the glue box and is glued before the winding process, so that the speed of the balloon assembly process and the qualified rate of thread binding are greatly improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of wire tying machines, and particularly relates to an automatic wire tying machine for balloon catheters. Background Art

[0002] For the balloon assembly process of the wire-tying type balloon catheter, it is mostly manual wire tying followed by applying a thin layer of glue on the surface of the tied wire. This not only takes time, but also has extremely low precision in manual wire tying. Since the force and speed cannot be kept constant during the operation of workers, problems such as loose wire tying, broken wire, or uneven pitch often occur; the glue application will also result in uneven distribution of the glue. Therefore, it is necessary to provide a device to overcome the above deficiencies. Summary of the Utility Model

[0003] The purpose of the utility model is to provide an automatic wire tying machine for balloon catheters, so as to control the wire rope tension and speed mechanically, make the tied wire firm without breaking, and have a uniform pitch.

[0004] In order to achieve the above purpose, the technical solution of the utility model is as follows.

[0005] An automatic wire tying machine for balloon catheters, characterized in that it includes a tension regulator, a wire rope shock absorption device, a wire tying device, a catheter fixing device, a cylindrical slide rail, and a wire clamping wheel. The tension regulator, the wire rope shock absorption device, the wire tying device, and the catheter fixing device are all fixedly installed on the bottom plate by screws; the cylindrical slide rail and the wire clamping wheel are respectively installed on the wire tying device and the catheter fixing device.

[0006] Further, the wire rope shock absorption device includes a tensiometer, a tensiometer fixing block, a wire wheel adjusting arm, a large wire wheel, a wire wheel shock absorption device bottom plate, a wire rope shock absorption device side plate, a small wire wheel, and a wire wheel fixing block. The wire wheel shock absorption device bottom plate is fixedly connected to the bottom plate by screws; the wire rope shock absorption device side plate is fixedly connected to the side position of the wire wheel shock absorption device bottom plate by screws; the tensiometer and the tensiometer fixing block are respectively fixedly installed on the upper side position of the wire wheel shock absorption device bottom plate by screws; the wire wheel fixing block and the wire wheel adjusting arm are fixedly installed in the long circular holes in the middle of the wire rope shock absorption device side plate by screws; the small wire wheel is connected to the wire wheel fixing block by screws; the large wire wheel is connected to the wire wheel adjusting arm by screws.

[0007] Furthermore, the wire tying device includes a winding shuttle, a conduit, a stepper motor, a stepper motor fixing plate, a DC motor, a DC motor fixing plate, a threading shaft pulley, a belt, a motor pulley, a threading shaft, a bearing wide end cover, an inner shaft wire wheel, a bearing, a counterweight, a bearing narrow end cover, a coupling, a right side plate of the wire tying device, a lead screw end cover, a ball screw, a lead screw nut, a slider of the wire tying device, a bottom plate of the wire tying device, a left side plate of the wire tying device, a lead screw bearing, and a threading shaft base; the lead screw end cover, the stepper motor fixing plate, the right side plate of the wire tying device, and the left side plate of the wire tying device are all connected to the bottom plate of the wire tying device by screws; two sets of cylindrical slide rails pass through the shaft holes on both sides of the slider of the wire tying device and are fixed by screws between the right side plate and the left side plate of the wire tying device; the lead screw nut is fixed to the slider of the wire tying device by screws; two lead screw bearings are respectively placed in the bearing holes of the left side plate of the wire tying device and the lead screw end cover; the ball screw passes through one end of the lead screw nut and is matched with the lead screw bearing of the lead screw end cover, and the other end passes through the lead screw bearing of the left side plate of the wire tying device and is connected to the coupling; the stepper motor is connected to the stepper motor fixing plate by screws and is matched with the coupling; the threading shaft base is fixed to the slider of the wire tying device by screws; two bearings are placed in the bearing holes of the threading shaft base, and another bearing is placed in the bearing hole of the counterweight; the threading shaft passes through the three bearings in sequence, and the threading shaft pulley and the bearing wide end cover are placed on both sides of the bearing hole of the threading shaft base and are fixed to the threading shaft by screws; two bearing narrow end covers are placed on both sides of the bearing hole of the counterweight and are fixed to the threading shaft by screws; the DC motor fixing plate is connected to the threading shaft base by screws; the DC motor is connected to the DC motor fixing plate by screws; the motor pulley is in interference fit with the motor shaft of the DC motor; the belt connects the threading shaft pulley and the motor pulley.

[0008] Furthermore, the winding shuttle includes a wire wheel mounting rod, a support block, a clamping block, a winding shuttle wire wheel, a glue box, and a glue box card slot. The support block and the clamping block are connected by screws; the clamping block and the wire wheel mounting rod are connected by screws; two winding shuttle wire wheels are respectively placed at both ends of the wire wheel mounting rod and are limited by screws; the glue box is placed in the glue box card slot and clamps the wire wheel mounting rod in the middle and is fixed by the clamping force.

[0009] Further, the catheter clip includes a lower chuck, an upper chuck, a catheter clip torsion spring, a compression spring, a left rail limit, a linear rail, a linear slider, and a right rail limit. The linear rail in the catheter clip is connected to the counterweight by screws; the clamping block in the wire winding shuttle is fixed to the threading shaft by screws; the inner shaft pulley is placed at the groove of the threading shaft and connected to the threading shaft by screws; the compression spring is arranged on the side of the left rail limit; the right rail limit and the left rail limit are respectively placed on both sides of the linear rail and fixed by screws; the linear slider is placed between the two limits of the linear rail; the lower chuck and the upper chuck are connected by the catheter clip torsion spring and fixed to the linear slider by screws; the wire clamping wheel is connected to the lower chuck by screws.

[0010] Further, the catheter fixing device includes a catheter fixing device base plate, a wing nut, a spring fixing screw, a right side plate of the catheter fixing device, a set screw, a tension spring; a top plate, a fixing plate of the catheter fixing device, a support arm of the catheter fixing device, a catheter slot, a torsion spring, a torsion spring stop lever, an opening and closing handle, a handle shaft, a handle shaft fixing block, a closing handle, a tongue, a small tension spring, an upper clamping lip of the catheter fixing device, a lower clamping lip of the catheter fixing device, a left side plate of the catheter fixing device, a slider of the catheter fixing device, an adjusting plate, and a rail bushing. The right side plate of the catheter fixing device and the left side plate of the catheter fixing device are both connected to the catheter fixing device base plate by screws; two sets of cylindrical rails pass through the shaft holes on both sides of the slider of the catheter fixing device and two rail bushings and are placed between the right side plate of the catheter fixing device and the left side plate of the catheter fixing device and fixed by screws; the shaft holes on both sides of the adjusting plate are respectively matched with the two rail bushings, and the fixing plate of the catheter fixing device is connected to the slider of the catheter fixing device by screws; the support arm of the catheter fixing device is connected to the fixing plate of the catheter fixing device by screws; the catheter slot, the handle shaft fixing block, and the lower clamping lip of the catheter fixing device are all connected to the support arm of the catheter fixing device by screws; the handle shaft passes through the upper clamping lip of the catheter fixing device, the tongue, the handle shaft fixing block, the torsion spring, and the opening and closing handle in sequence, and the latter are all fixed to it by screws; the closing handle is connected to the handle shaft fixing block by screws; the torsion spring stop lever is fixed on the opening and closing handle; one end of the small tension spring is connected to the closing handle and the other end is fixed to the support arm of the catheter fixing device by screws; two tension springs are respectively connected to the slider of the catheter fixing device and the spring fixing screws on the right side plate of the catheter fixing device, and the slider of the catheter fixing device and the adjusting plate; the top plate is connected to the fixing plate of the catheter fixing device by screws; the set screw and a wing nut are matched with different threaded holes of the adjusting plate; the other wing nut is matched with the threaded hole of the right side plate of the catheter fixing device.

[0011] The beneficial effects of this utility model are as follows: This application aims to provide an automatic wire tying device that controls the tension and speed of the wire rope mechanically, making the tied wire tight without breaking and having a uniform pitch. In this utility model, the wire rope passes through the glue box, and the wire rope is glued before the winding process, greatly improving the speed of the balloon assembly process and the qualification rate of wire tying. Brief Description of the Drawings

[0012] Figure 1 It is a schematic structural diagram of the device used in the embodiment of this utility model.

[0013] Figure 2 It is a schematic structural diagram of the wire rope shock absorption device used in the embodiment of this utility model.

[0014] Figure 3 It is a schematic structural diagram of the wire tying device used in the embodiment of this utility model.

[0015] Figure 4 It is a schematic structural diagram of the winding shuttle used in the embodiment of this utility model.

[0016] Figure 5 It is an exploded structural diagram of the winding shuttle used in the embodiment of this utility model.

[0017] Figure 6 It is a schematic structural diagram of the catheter clamp used in the embodiment of this utility model.

[0018] Figure 7 It is an exploded structural diagram of the catheter fixing device of the device used in the embodiment of this utility model.

[0019] Figure 8 It is a schematic structural diagram of the catheter fixing device of the device used in the embodiment of this utility model.

[0020] Figure 9 It is a schematic side structural diagram of the working state of the device used in the embodiment of this utility model.

[0021] Description of the markings in the figure: 1. Base plate; 2. Tension regulator; 3. Wire rope shock absorber; 4. Wire tying device; 5. Conduit fixing device; 6. Cylindrical slide rail; 7. Wire clamping wheel; 301. Tensiometer; 302. Tensiometer fixing block; 303. Wire wheel adjusting arm; 304. Large wire wheel; 305. Base plate of wire wheel shock absorber; 306. Side plate of wire rope shock absorber; 307. Small wire wheel; 308. Wire wheel fixing block; 401. Thread winding shuttle; 40101. Wire wheel mounting rod; 40102. Support block; 40103. Clamping block; 40104. Thread winding shuttle wire wheel; 40105. Glue box; 40106. Glue box card slot; 402. Conduit clamp; 40201. Lower chuck; 40202. Upper chuck; 40203. Conduit clamp torsion spring; 40204. Compression spring; 40205. Left limit of slide rail; 40206. Linear slide rail; 40207. Linear slider; 40208. Right limit of slide rail; 403. Stepper motor; 404. Stepper motor fixing plate; 405. DC motor; 406. DC motor fixing plate; 407. Threading shaft pulley; 408. Belt; 409. Motor pulley; 410. Threading shaft; 411. Wide end cover of bearing; 412. Inner wire wheel of shaft; 413. Bearing; 414. Counterweight; 415. Narrow end cover of bearing; 416. Coupling; 417. Right side plate of wire tying device; 418. Screw end cover; 419. Ball screw; 420. Screw nut; 421. Slide block of wire tying device; 422. Base plate of wire tying device; 423. Left side plate of wire tying device; 424. Screw bearing; 425. Base of threading shaft; 501. Base plate of conduit fixing device; 502. Wing nut; 503. Spring fixing screw; 504. Right side plate of conduit fixing device; 505. Set screw; 506. Pull spring; 507. Top plate; 508. Fixing plate of conduit fixing device; 509. Support arm of conduit fixing device; 510. Conduit card slot; 511. Torsion spring; 512. Torsion spring stop bar; 513. Opening and closing handle; 514. Handle shaft; 515. Handle shaft fixing block; 516. Closing handle; 517. Tongue; 518. Small pull spring; 519. Upper clamping lip of conduit fixing device; 520. Lower clamping lip of conduit fixing device; 521. Left side plate of conduit fixing device; 522. Slide block of conduit fixing device; 523. Adjusting plate; 524. Slide rail bushing; 8. Silk thread; 9. Conduit. Detailed implementation manners

[0022] The following describes the detailed implementation manners of the present utility model in conjunction with the attached drawings for better understanding of the present utility model.

[0023] As Figure 1The shown balloon catheter automatic wire tying machine includes a tension regulator 2, a wire rope shock absorber 3, a wire tying device 4, and a catheter fixing device 5. The tension regulator 2, the wire rope shock absorber 3, the wire tying device 4, and the catheter fixing device 5 are all fixedly installed on the bottom plate 1 by screws; a cylindrical slide rail 6 and a wire clamping wheel 7 are respectively installed on the wire tying device 4 and the catheter fixing device 5.

[0024] As Figure 2 In the wire rope shock absorber 3 shown, it includes a tensiometer 301, a tensiometer fixing block 302, a wire wheel adjusting arm 303, a large wire wheel 304, a wire wheel shock absorber bottom plate 305, a wire rope shock absorber side plate 306, a small wire wheel 307, and a wire wheel fixing block 308. The wire wheel shock absorber bottom plate 305 is fixedly connected to the bottom plate 1 by screws, and the wire rope shock absorber side plate 306 is fixedly connected to the side position of the wire wheel shock absorber bottom plate 305 by screws; the tensiometer 301 and the tensiometer fixing block 302 are respectively fixedly installed on the upper side position of the wire wheel shock absorber bottom plate 305 by screws; the wire wheel fixing block 308 and the wire wheel adjusting arm 303 are fixedly installed in the long circular hole in the middle of the wire rope shock absorber side plate 306 by screws; the small wire wheel 307 is connected to the wire wheel fixing block 308 by screws; the large wire wheel 304 is connected to the wire wheel adjusting arm 303 by screws.

[0025] As Figure 3In the shown wire tying device 4, it includes a winding shuttle 401, a catheter clamp 402, a stepping motor 403, a stepping motor fixing plate 404, a DC motor 405, a DC motor fixing plate 406, a threading shaft pulley 407, a belt 408, a motor pulley 409, a threading shaft 410, a bearing wide end cover 411, an in - shaft wire wheel 412, a bearing 413, a counterweight 414, a bearing narrow end cover 415, a coupling 416, a right side plate 417 of the wire tying device, a lead screw end cover 418, a ball screw 419, a lead screw nut 420, a slider 421 of the wire tying device, a bottom plate 422 of the wire tying device, a left side plate 423 of the wire tying device, a lead screw bearing 424, a threading shaft base 425; The lead screw end cover 418, the stepping motor fixing plate 404, the right side plate 417 of the wire tying device and the left side plate 423 of the wire tying device are all connected to the bottom plate 422 of the wire tying device by screws; Two groups of cylindrical slide rails 6 pass through the shaft holes on both sides of the slider 421 of the wire tying device and are fixed between the right side plate 417 and the left side plate 423 of the wire tying device by screws; The lead screw nut 420 is fixed to the slider 421 of the wire tying device by screws; Two lead screw bearings 424 are respectively placed in the bearing holes of the left side plate 423 of the wire tying device and the lead screw end cover 418; The ball screw 419 passes through one end of the lead screw nut 20 and is matched with the lead screw bearing of the lead screw end cover 418, and the other end passes through the lead screw bearing of the left side plate 423 of the wire tying device and is connected to the coupling 416; The stepping motor 403 is connected to the stepping motor fixing plate 404 by screws and is matched with the coupling 416; The threading shaft base 425 is fixed to the slider 421 of the wire tying device by screws; Two bearings 413 are placed in the bearing holes of the threading shaft base 425, and another bearing 413 is placed in the bearing hole of the counterweight 414; The threading shaft 410 passes through the three bearings in sequence, and the threading shaft pulley 407 and the bearing wide end cover 411 are placed on both sides of the bearing hole of the threading shaft base 425 and are fixed to the threading shaft 410 by screws; Two bearing narrow end covers 415 are placed on both sides of the bearing hole of the counterweight 414 and are fixed to the threading shaft 410 by screws; The DC motor fixing plate 406 is connected to the threading shaft base 425 by screws; The DC motor 405 is connected to the DC motor fixing plate 406 by screws; The motor pulley 409 is in interference fit with the motor shaft of the DC motor 405; The belt 408 connects the threading shaft pulley 407 and the motor pulley 409.

[0026] As Figure 4 , Figure 5The shown winding shuttle 401 includes a bobbin mounting rod 40101, a support block 40102, a clamping block 40103, a winding shuttle bobbin 40104, a glue box 40105, and a glue box card slot 40106. The support block 40102 and the clamping block 40103 are connected by screws; the clamping block 40103 and the bobbin mounting rod 40101 are connected by screws; two winding shuttle bobbins 40104 are respectively placed at both ends of the bobbin mounting rod 40101 and are limited by screws; the glue box 40105 is placed in the glue box card slot 40106 and clamps the bobbin mounting rod 40101 in the middle and is fixed by a clamping force.

[0027] As Figure 6 The shown catheter clamp 402 includes a lower clamp head 40201, an upper clamp head 40202, a catheter clamp torsion spring 40203, a compression spring 40204, a left rail limit 40205, a linear rail 40206, a linear slider 40207, and a right rail limit 40208. The linear rail 40206 in the catheter clamp 402 is connected to the counterweight 414 by screws; the clamping block 40103 in the winding shuttle 401 is fixed on the threading shaft 410 by screws; an in-axle bobbin 412 is placed in the groove of the threading shaft 410 and is connected to the threading shaft by screws; the compression spring 40204 is arranged at the side position of the left rail limit 40205; the right rail limit 40208 and the left rail limit 40205 are respectively placed on both sides of the linear rail 40206 and are fixed by screws; the linear slider 40207 is placed between the two limits of the linear rail 40206; the lower clamp head 40201 and the upper clamp head 40202 are connected by the catheter clamp torsion spring 40203 and are fixed on the linear slider 40207 by screws; the wire clamping wheel 7 is connected to the lower clamp head 40201 by screws.

[0028] As Figure 7 、 Figure 8The catheter fixing device 5 shown includes a catheter fixing device bottom plate 501, a wing screw 502, a spring fixing screw 503, a catheter fixing device right side plate 504, a screw 505, a spring 506; a top plate 507, a catheter fixing device fixing plate 508, a catheter fixing device support arm 509, a catheter slot 510, a torsion spring 511, a torsion spring stop lever 512, an opening and closing handle 513, a handle shaft 514, a handle shaft fixing block 515, a closing handle 516, a tongue 517, a small spring 518, a catheter fixing device upper clamping lip 519, a catheter fixing device lower clamping lip 520, a catheter fixing device left side plate 521, a catheter fixing device slider 522, an adjusting plate 523, a slide rail bushing 524. Among them, both the catheter fixing device right side plate 504 and the catheter fixing device left side plate 521 are connected to the catheter fixing device bottom plate 501 by screws; two sets of cylindrical slide rails 6 pass through the two side shaft holes of the catheter fixing device slider 522 and the two slide rail bushings 524 and are fixed between the catheter fixing device right side plate 504 and the catheter fixing device left side plate 521 by screws; the two side shaft holes of the adjusting plate 523 are respectively matched with the two slide rail bushings 524, and the catheter fixing device fixing plate 508 and the catheter fixing device slider 522 are connected by screws; the catheter fixing device support arm 509 and the catheter fixing device fixing plate 508 are connected by screws; the catheter slot 510, the handle shaft fixing block 515, and the catheter fixing device lower clamping lip 520 are all connected to the catheter fixing device support arm 509 by screws; the handle shaft 514 passes through the catheter fixing device upper clamping lip 519, the tongue 517, the handle shaft fixing block 515, the torsion spring 511, and the opening and closing handle 513 in sequence and the latter are all fixed to it by screws; the closing handle 516 and the handle shaft fixing block 515 are connected by screws; the torsion spring stop lever 512 is fixed on the opening and closing handle 513; one end of the small spring 518 is connected to the closing handle 516 and the other end is fixed to the catheter fixing device support arm 509 by screws; the two springs 506 are respectively connected to the catheter fixing device slider 522 and the spring fixing screw 503 on the catheter fixing device right side plate 504, and the catheter fixing device slider 522 and the adjusting plate 523; the top plate 507 and the catheter fixing device fixing plate 508 are connected by screws; the screw 505 and one wing screw 502 are matched with different threaded holes of the adjusting plate 523; the other wing screw 502 is matched with the threaded hole of the catheter fixing device right side plate 504. The catheter placement position is as Figure 9 shown. At the proximal end, the catheter is fixed by the catheter fixing device upper clamping lip 519 and the catheter fixing device lower clamping lip 520 in the catheter fixing device 5. At the distal end, it is fixed by the catheter clamp 402.

[0029] The catheter fixing device part makes the tongue 517 move into the card slot of the closing handle 516 by gently pushing open the closing handle 513, the fixture opens, the catheter is placed, the closing handle 516 is gently pushed, and the torsion spring 511 elastically deforms and is stressed to change the fixture to a closed state to fix the catheter. By twisting the butterfly setscrew 502 and the setscrew 505, the position of the slider of the catheter fixing device 522 can be adjusted while adjusting the exposed length of the catheter in the tying area.

[0030] For the tying device part, the catheter can be placed directly by pressing the upper chuck 40202 of the catheter clamp. The position of the balloon tying can be determined according to the length scale etched on the lower chuck 40201. The stepping motor 403 drives the slider 421 of the tying device to move horizontally to control the tying length and pitch. The DC motor 405 drives the threading shaft 410 to rotate to control the operation of the winding shuttle 401. The counterweight 4-14 always maintains the same shape due to its own gravity and is not affected by the threading shaft, that is, it ensures that the catheter does not rotate during the working state.

[0031] As Figure 9 shown, the silk thread passes through the tension regulator 2, the cord damping device 3, the tying device 4, and the catheter fixing device 5 in sequence and passes through the glue box 40105 to make the silk thread stick with glue for tying. Press Figure 9 the silk thread 8 in place as shown, and clamp the end of the silk thread 8 on the thread clamping wheel 7 of the tying device. Place the catheter 9, take out the end of the silk thread, wind the silk thread around the catheter 2-3 times and then clamp it on the thread clamping wheel 7 of the catheter fixing device, and start the device (note that the winding direction is the same as the rotation direction of the winding shuttle).

[0032] The above is the preferred embodiment of the present invention. It should be noted that for those of ordinary skill in the art, without departing from the principle of the present invention, several improvements and refinements can be made, and these improvements and refinements are also regarded as the protection scope of the present invention.

Claims

1. An automatic wire-tying machine for a balloon catheter, characterized in that: It includes a tension regulator (2), a wire rope shock absorber (3), a wire tying device (4), a catheter fixing device (5), a cylindrical slide rail (6) and a wire clamping wheel (7). The tension regulator (2), the wire rope shock absorber (3), the wire tying device (4) and the catheter fixing device (5) are all fixedly installed on the bottom plate (1) by screws; the cylindrical slide rail (6) and the wire clamping wheel (7) are respectively installed on the wire tying device (4) and the catheter fixing device (5).

2. The balloon catheter automatic wire tying machine according to claim 1, wherein: The wire rope shock absorber (3) includes a tensiometer (301), a tensiometer fixing block (302), a wire wheel adjusting arm (303), a large wire wheel (304), a wire wheel shock absorber bottom plate (305), a wire rope shock absorber side plate (306), a small wire wheel (307), and a wire wheel fixing block (308). The wire wheel shock absorber bottom plate (305) is fixedly connected to the bottom plate (1) by screws, and the wire rope shock absorber side plate (306) is fixedly connected to the side position of the wire wheel shock absorber bottom plate (305) by screws; the tensiometer (301) and the tensiometer fixing block (302) are respectively fixedly installed on the upper side position of the wire wheel shock absorber bottom plate (305) by screws; the wire wheel fixing block (308) and the wire wheel adjusting arm (303) are fixedly installed in the long circular holes in the middle of the wire rope shock absorber side plate (306) by screws; the small wire wheel (307) is connected to the wire wheel fixing block (308) by screws; the large wire wheel (304) is connected to the wire wheel adjusting arm (303) by screws.

3. The balloon catheter automatic wire tying machine according to claim 1, characterized in that: The wire tying device (4) includes a winding shuttle (401), a catheter clamp (402), a stepping motor (403), a stepping motor fixing plate (404), a DC motor (405), a DC motor fixing plate (406), a threading shaft pulley (407), a belt (408), a motor pulley (409), a threading shaft (410), a bearing wide end cover (411), an in-shaft wire reel (412), a bearing (413), a counterweight (414), a bearing narrow end cover (415), a coupling (416), a right side plate (417) of the wire tying device, a lead screw end cover (418), a ball screw (419), a lead screw nut (420), a slider (421) of the wire tying device, a bottom plate (422) of the wire tying device, a left side plate (423) of the wire tying device, a lead screw bearing (424), a threading shaft base (425); the lead screw end cover (418), the stepping motor fixing plate (404), the right side plate (417) of the wire tying device and the left side plate (423) of the wire tying device are all connected to the bottom plate (422) of the wire tying device by screws; two sets of cylindrical slide rails (6) pass through the shaft holes on both sides of the slider (421) of the wire tying device and are fixed between the right side plate (417) and the left side plate (423) of the wire tying device by screws; the lead screw nut (420) is fixed to the slider (421) of the wire tying device by screws; two lead screw bearings (424) are respectively placed in the bearing holes of the left side plate (423) and the lead screw end cover (418) of the wire tying device; one end of the ball screw (419) passes through the lead screw nut (420) and is matched with the lead screw bearing of the lead screw end cover (418), and the other end passes through the lead screw bearing of the left side plate (423) of the wire tying device and is connected to the coupling (416); the stepping motor (403) is connected to the stepping motor fixing plate (404) by screws and is matched with the coupling (416); the threading shaft base (425) is fixed to the slider (421) of the wire tying device by screws; two bearings (413) are placed in the bearing holes of the threading shaft base (425), and another bearing (413) is placed in the bearing hole of the counterweight (414); the threading shaft (410) passes through the three bearings in sequence, and the threading shaft pulley (407) and the bearing wide end cover (411) are placed on both sides of the bearing hole of the threading shaft base (425) and are fixed to the threading shaft (410) by screws; two bearing narrow end covers (415) are placed on both sides of the bearing hole of the counterweight (414) and are fixed to the threading shaft (410) by screws; the DC motor fixing plate (406) is connected to the threading shaft base (425) by screws; the DC motor (405) is connected to the DC motor fixing plate (406) by screws; the motor pulley (409) is in interference fit with the motor shaft of the DC motor (405); the belt (408) connects the threading shaft pulley (407) and the motor pulley (409).

4. The balloon catheter automatic wire tying machine according to claim 3, characterized in that: The winding bobbin (401) includes a bobbin mounting rod (40101), a support block (40102), a clamping block (40103), a winding bobbin (40104), a glue box (40105), and a glue box card slot (40106). The support block (40102) is connected to the clamping block (40103) by screws; the clamping block (40103) is connected to the bobbin mounting rod (40101) by screws; two winding bobbins (40104) are respectively placed at both ends of the bobbin mounting rod (40101) and limited by screws; the glue box (40105) is placed in the glue box card slot (40106) and clamps the bobbin mounting rod (40101) in the middle and is fixed by a clamping force.

5. The balloon catheter automatic wire tying machine according to claim 3, characterized in that: The conduit clamp (402) includes a lower clamp head (40201), an upper clamp head (40202), a conduit clamp torsion spring (40203), a compression spring (40204), a left rail limit (40205), a linear rail (40206), a linear slider (40207), and a right rail limit (40208). The linear rail (40206) in the conduit clamp (402) is connected to the counterweight block (414) by screws; the clamping block (40103) in the winding bobbin (401) is fixed to the thread-passing shaft (410) by screws; an in-shaft bobbin (412) is placed at the groove of the thread-passing shaft (410) and connected to the thread-passing shaft by screws; the compression spring (40204) is arranged at the side position of the left rail limit (40205); the right rail limit (40208) and the left rail limit (40205) are respectively placed on both sides of the linear rail (40206) and fixed by screws; the linear slider (40207) is placed between the two limits of the linear rail (40206); the lower clamp head (40201) and the upper clamp head (40202) are connected by the conduit clamp torsion spring (40203) and fixed to the linear slider (40207) by screws; the wire clamping wheel (7) is connected to the lower clamp head (40201) by screws.

6. The balloon catheter automatic wire tying machine according to claim 1, characterized in that: The catheter fixing device (5) includes a catheter fixing device base plate (501), a wing nut (502), a spring fixing screw (503), a right side plate (504) of the catheter fixing device, a set screw (505), a tension spring (506); a top plate (507), a fixing plate (508) of the catheter fixing device, a support arm (509) of the catheter fixing device, a catheter slot (510), a torsion spring (511), a torsion spring stop lever (512), an opening and closing handle (513), a handle shaft (514), a handle shaft fixing block (515), a closing handle (516), a tongue (517), a small tension spring (518), an upper clamping lip (519) of the catheter fixing device, a lower clamping lip (520) of the catheter fixing device, a left side plate (521) of the catheter fixing device, a slider (522) of the catheter fixing device, an adjusting plate (523), a slide rail bushing (524). The right side plate (504) of the catheter fixing device and the left side plate (521) of the catheter fixing device are both connected to the catheter fixing device base plate (501) by screws; two sets of cylindrical slide rails (6) pass through the shaft holes on both sides of the slider (522) of the catheter fixing device and two slide rail bushings (524) and are fixed between the right side plate (504) of the catheter fixing device and the left side plate (521) by screws; the shaft holes on both sides of the adjusting plate (523) are respectively matched with the two slide rail bushings (524), and the fixing plate (508) of the catheter fixing device is connected to the slider (522) of the catheter fixing device by screws; the support arm (509) of the catheter fixing device is connected to the fixing plate (508) of the catheter fixing device by screws; the catheter slot (510), the handle shaft fixing block (515) and the lower clamping lip (520) of the catheter fixing device are all connected to the support arm (509) of the catheter fixing device by screws; the handle shaft (514) sequentially passes through the upper clamping lip (519) of the catheter fixing device, the tongue (517), the handle shaft fixing block (515), the torsion spring (511), the opening and closing handle (513) and the latter are all fixed to it by screws; the closing handle (516) is connected to the handle shaft fixing block (515) by screws; the torsion spring stop lever (512) is fixed on the opening and closing handle (513); one end of the small tension spring (518) is connected to the closing handle (516) and the other end is fixed to the support arm (509) of the catheter fixing device by screws; two tension springs (506) are respectively connected to the slider (522) of the catheter fixing device and the spring fixing screws (503) on the right side plate (504) of the catheter fixing device, the slider (522) of the catheter fixing device and the adjusting plate (523); the top plate (507) is connected to the fixing plate (508) of the catheter fixing device by screws; the set screw (505) and one wing nut (502) are matched with different threaded holes of the adjusting plate (523); the other wing nut (502) is matched with the threaded hole of the right side plate (504) of the catheter fixing device.

Images