Medical suture assembly machine

Abstract

The present invention provides a medical suture assembly machine, which solves the technical problems of complicated operation and low efficiency of existing suture assembly mechanisms. The machine is provided with a frame, and a needle feeding mechanism is arranged above the frame. The needle feeding mechanism comprises a picking mechanism and a feeding mechanism. The picking mechanism adopts a needle picking claw to grab the suture needle, and the feeding mechanism adopts a pneumatic clamp to drive the clamp to clamp and feed. A wire feeding mechanism is arranged on one side of the needle feeding mechanism, and the wire feeding mechanism comprises a wire wheel feeding mechanism and a heating and cutting mechanism. The wire wheel feeding mechanism adopts a wire wheel and a pulley assembly to convey the suture, and the heating and cutting mechanism adopts a heating mechanism to heat the suture, and adopts a cutting mechanism to shear the suture. A forging mechanism is arranged between the needle feeding mechanism and the wire feeding mechanism. A testing mechanism is arranged on one side of the wire feeding mechanism, and the testing mechanism comprises a wire pulling mechanism and a tension testing mechanism. The present invention can be widely used in the field of material conveying technology.

Description

Technical Field

[0001] The invention relates to the technical field of automatic assembly, in particular to a medical suture assembly machine. Background Art

[0002] Medical surgical sutures refer to special threads used for ligation and hemostasis, suturing and hemostasis, and tissue suturing during surgical operations or trauma treatment. They play an important role in the initial healing of wounds and are vital in operations. They need to be used in conjunction with suture needles, so assembly equipment is required to assemble the sutures and suture needles together.

[0003] During the assembly process of sutures and suture needles, the sutures and suture needles need to be transported and then assembled. The existing technology uses a loading mechanism to transport the sutures and suture needles. Since both sutures and suture needles are precision instruments, the existing loading mechanism cannot meet the requirements of precise clamping and transfer of sutures and suture needles, and usually requires manual assistance, which seriously affects production efficiency. Summary of the invention

[0004] The present invention aims to solve the technical problems of complicated operation and low efficiency of existing suture assembly mechanisms, and provides a medical suture assembly machine which is simple to operate and has high efficiency.

[0005] To this end, the present invention is provided with a frame, and a needle feeding mechanism is provided above the frame, the needle feeding mechanism includes a picking mechanism and a feeding mechanism, the picking mechanism adopts a needle picking claw to grab the suture needle, and the feeding mechanism adopts a pneumatic clamp to drive the clamp to clamp and feed; a wire feeding mechanism is provided on one side of the needle feeding mechanism, the wire feeding mechanism includes a wire wheel feeding mechanism and a heating and cutting mechanism, the wire wheel feeding mechanism adopts a wire wheel and a pulley assembly to convey the suture, the heating and cutting mechanism adopts a heating mechanism to heat the suture, and adopts a cutting mechanism to shear the suture; the needle feeding mechanism and the wire feeding mechanism A forging mechanism is arranged in between, and the forging mechanism uses a forging cylinder to drive two knife heads to forge the suture thread and the suture needle; a testing mechanism is arranged on one side of the thread feeding mechanism, and the testing mechanism includes a wire pulling mechanism and a tension testing mechanism, and the wire pulling mechanism uses a wire pulling slide to pull the suture thread, and the tension testing mechanism uses a suture needle cylinder to clamp the suture needle, and uses a pressure sensor to perform tension testing on the suture needle and suture thread pulled by the suture needle cylinder; a needle and thread transfer mechanism is also arranged above the frame, and the needle and thread transfer mechanism uses a transfer cylinder to transfer the suture thread completed by forging to the testing mechanism.

[0006] Preferably, the needle loading mechanism includes a loading base plate, two feeding troughs are arranged side by side above the loading base plate, a picking mechanism is provided at the front end of the two feeding troughs, and the picking mechanism drives the needle picking claw through a rotating component; two feeding mechanisms are arranged side by side at one end of the picking mechanism, the feeding mechanism includes a feeding slide, a feeding slider is provided on the feeding slide, an action mechanism is provided on the feeding slider, and the action mechanism adopts a pneumatic clamp to drive the clamp to clamp and feed the material; a camera assembly is provided in front of the action mechanism, the camera assembly includes visual cameras arranged on both sides of the front end of the action mechanism, and surface light sources are respectively provided obliquely above the two visual cameras.

[0007] Preferably, the action mechanism includes a feeding base arranged on the feeding slider, a base connecting plate is provided on the feeding base, a clamping jaw connecting piece is provided in front of the base connecting plate, a pneumatic clamping jaw is provided at the front end of the clamping jaw connecting piece, and two clamping jaw pieces are provided at the output end of the pneumatic clamping jaw.

[0008] Preferably, the wire feeding mechanism includes a wire wheel feeding mechanism symmetrically arranged on the frame, a forward pulley assembly is provided on one side of the wire wheel feeding mechanism, the forward pulley assembly uses a guide wheel to convey the suture, a heating and cutting mechanism is provided on one side of the forward pulley assembly, a wire moving robot arm is provided above the frame, the wire moving robot arm uses a wire pulling claw to clamp and convey the suture, the other side of the heating and cutting mechanism uses a rear pulley assembly to convey the suture, and a guide wheel and guide groove mechanism is provided at the rear pulley assembly, the guide wheel and guide groove mechanism uses a guide groove body and a pulley assembly to guide and convey the suture.

[0009] Preferably, the wire wheel feeding mechanism includes a wire wheel support plate symmetrically arranged on the frame, a wire wheel end plate is provided on the wire wheel support plate, a wire wheel is provided on the top of the wire wheel end plate, a guide pulley and a guide wheel are also provided on the wire wheel end plate, and a wire wheel clamping mechanism is provided at the front end of the wire wheel end plate.

[0010] Preferably, the forward pulley assembly and the backward pulley assembly include a pulley block base plate arranged on the frame, a movable slide is symmetrically arranged on the pulley block base plate, a long pad is connected to the slider of the movable slide through a pulley block fixed vertical plate, one side of the long pad is connected to the vertical plate, a pulley slide is arranged on one side of the vertical plate, a pulley positioning plate is arranged on the slider of the pulley slide, a pulley fixing cylinder is connected to the pulley positioning plate, the output end of the pulley fixing cylinder is connected to two pulley connecting optical axes through a cylinder fixing plate, two vertical pulley moving channels are provided on the vertical plate, and the pulley connecting optical axis is connected to the line adjusting pulley on the other side of the vertical plate through the pulley moving channels.

[0011] Preferably, the heating and shearing mechanism includes a heating and shearing bottom pad symmetrically arranged on the frame, a heating horizontal slide is provided on the heating and shearing bottom pad, a heating and shearing long pad is provided on the slider of the heating and horizontal slide, a heating slide is provided on the heating and shearing long pad, a heating slide is provided on the slider of the heating slide, a heating and shearing cross plate is provided on the slider of the heating slide, heating and shearing cylinders are symmetrically arranged on the heating and shearing cross plate, a heating and shearing clamp is provided on the output end of the heating and shearing cylinder, a heating mechanism is fixed on one side of the heating and shearing cross plate through a heating and vertical plate, the heating mechanism is arranged between two heating and shearing cylinders, a shearing mechanism is fixed on the other side of the heating and shearing cross plate through a shearing back plate, and the shearing mechanism is arranged corresponding to the heating mechanism.

[0012] Preferably, the extrusion forging mechanism includes a base plate arranged on the frame, two vertical plates are vertically arranged on the base plate, a fixed plate is arranged above the vertical plate, an extrusion forging cylinder is arranged below the base plate, a floating joint is arranged at the output end of the extrusion forging cylinder, two power rods are hinged on the floating joint, a push rod seat is fixed at the other end of the power rod, a push rod is arranged in the push rod seat, two cutter head slides are arranged in parallel on the fixed plate, a cutter head is slidably arranged in the cutter head slides, the two cutter heads are arranged opposite to each other, two push rods are respectively arranged at the rear ends of the two cutter heads, a leaf spring is also arranged on the fixed plate, and the leaf spring cooperates with the rear ends of the cutter heads.

[0013] Preferably, the testing mechanism includes a pressure testing bench arranged on a frame, a wire pulling mechanism is provided on the pressure testing bench, a push-pull cylinder and a limit cylinder are provided on the wire pulling slide to clamp the suture line, a tensile testing mechanism is provided on one side of the wire pulling mechanism, a unloading mechanism is provided above the pressure testing bench, the unloading mechanism uses a unloading cylinder to clamp and discharge the suture line that has completed the tensile test, and a product collecting device is also provided on the pressure testing bench to collect the suture line that has completed the test.

[0014] Preferably, the needle and thread transfer mechanism includes a transfer frame fixed on the online feeding mechanism, the transfer frame is provided with two transverse transfer slides, a longitudinal transfer slide is provided on the slider of the transverse transfer slide through a longitudinal plate, a transfer cylinder is provided on the slider of the longitudinal transfer slide, a transfer claw is provided at the output end of the transfer cylinder, and the transfer cylinder drives the transfer claw to clamp the suture needle.

[0015] The present invention provides a needle feeding mechanism to clamp and convey the suture needle, provides a wire feeding mechanism to convey the suture thread and heat and cut it, provides an swaging mechanism to assemble the suture thread and the suture needle together, and provides a needle and thread transfer mechanism to transfer the assembled suture thread to a testing mechanism for tensile testing. The suture needle and the suture thread are both fed by two conveyor lines working simultaneously, which effectively improves the work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the present invention;

[0017] Figure 2It is a structural schematic diagram of another aspect of the present invention;

[0018] Figure 3 It is a structural schematic diagram of the needle feeding mechanism;

[0019] Figure 4 It is a structural schematic diagram of the material taking mechanism;

[0020] Figure 5 It is a structural schematic diagram of the feeding mechanism;

[0021] Figure 6 is a schematic diagram of the structure of a camera assembly;

[0022] Figure 7 It is a structural schematic diagram of the needle feeding mechanism;

[0023] Figure 8 It is a structural diagram of the frame at the needle feeding mechanism;

[0024] Fig. 9 It is a structural schematic diagram of the wire wheel feeding mechanism;

[0025] Fig.10 is a schematic structural diagram of a forward pulley assembly;

[0026] Fig.11 is a schematic structural diagram of a forward pulley assembly;

[0027] Fig.12 It is a structural schematic diagram of the heating and shearing mechanism;

[0028] Fig.13 It is a schematic diagram of the structure of the heating mechanism and the shearing mechanism;

[0029] Fig.14 It is a structural schematic diagram of the linear mobile robot;

[0030] Fig.15 It is a structural schematic diagram of the line moving mechanism;

[0031] Fig.16 The schematic diagram of the structure of the guide wheel and guide groove mechanism

[0032] Fig.17 is a structural schematic diagram of a suture delivery mechanism;

[0033] Fig.18 It is a structural schematic diagram of the extrusion forging mechanism;

[0034] Fig.19 It is a schematic diagram of the structure of the action slot;

[0035] Fig. 20 This is a schematic diagram of the driving principle of the extrusion forging cylinder;

[0036] Fig.21It is a structural schematic diagram of the cutter head slide;

[0037] Fig. 22 Schematic diagram of the structure of the cutter head;

[0038] Fig.23 This is an enlarged schematic diagram of the extrusion forging principle.

[0039] Fig.24 It is a structural schematic diagram of the needle and thread transfer mechanism;

[0040] Fig.25 It is a schematic diagram of the structure of the test organization;

[0041] Fig.26 It is a structural schematic diagram of the wire pulling mechanism;

[0042] Fig. 27 It is a structural schematic diagram of a tensile testing mechanism;

[0043] Fig.28 It is a structural schematic diagram of the wire clamping mechanism;

[0044] Fig.29 It is a structural schematic diagram of the material unloading mechanism;

[0045] Fig.30 This is a schematic diagram of the structure of the product collection device.

[0046] Explanation of symbols in the figure:

[0047] 1. Frame; 2. Needle feeding mechanism; 201. Feeding bracket; 202. Feeding bottom plate; 203. Feeding trough; 204. Camera bracket; 205. Camera; 206. Roller; 207. Needle removal connector; 208. Rotating assembly; 209. Grasping cylinder; 210. Needle claw; 211. Feeding slide; 212. Feeding slider; 213. Feeding base; 214. Base connecting plate; 215. Clamping claw connector; 216. Pneumatic clamping claw; 217. Clamping claw sheet; 218. Feeding bottom plate; 219. Feeding cylinder; 220. Positioning side plate; 221. Positioning cylinder; 222. Positioning pin; 223. Pin hole; 224. Visual camera; 225. Surface light source; 226. Light source base; 227. Light source support; 228 . Camera support; 3. Line feeding mechanism; 301. Wire wheel feeding mechanism; 302. Wire wheel support plate; 303. Wire wheel end plate; 304. Wire wheel; 305. Guide pulley; 306. Guide wheel; 307. Wire length adjustment mechanism; 308. Wire length adjustment fixing plate; 309. Fixed pulley; 310. Moving pulley; 311. Wire wheel clamp mechanism; 312. Wire wheel clamp mounting plate; 313. Wire wheel cylinder; 314. Wire wheel clamp; 315. Forward pulley assembly; 316. Pulley block bottom plate; 317. Moving slide; 318. Pulley block fixed vertical plate; 319. Long pad; 320. Vertical plate; 321. Pulley slide; 322. Pulley positioning plate; 323. Pulley fixing cylinder; 324. Cylinder fixing plate; 325. Pulley Connecting optical axis; 326. Pulley moving channel; 327. Wire adjustment pulley; 328. Wire adjustment guide wheel; 329. Heating and cutting mechanism; 330. Heating and cutting bottom pad; 331. Heating horizontal slide; 332. Heating and cutting long pad; 333. Heating slide; 334. Heating horizontal plate; 335. Heating and cutting cylinder; 336. Heating and cutting jaws; 337. Heating vertical plate; 338. Heating mechanism; 339. Heating block; 340. Insulation block; 341. Cutting back plate; 342. Cutting mechanism; 343. Cutting cylinder; 344. Cutter; 345. Wire moving mechanical arm; 346. Wire moving vertical arm; 347. Wire moving horizontal arm; 348. Wire moving support arm; 349. Wire moving mechanism; 350. Wire moving long pad 351. Wire moving slide; 352. Wire pulling slide fixed plate; 353. Wire pulling slide; 354. Wire pulling clamp fixed plate; 355. Wire pulling cylinder; 356. Wire pulling clamp; 357. Backward pulley assembly; 358. Guide wheel guide groove mechanism; 359. Guide groove frame; 360. Guide groove vertical plate; 361. Guide groove cylinder; 362. Guide groove body; 363. Guide wheel cylinder; 364. Guide wheel cylinder support; 365. Wire fixed pulley support; 366. Output guide wheel; 367. Wire feeding control cabinet; 368. Wire moving mechanism control cabinet; 369. Wiring trough; 370. Visual camera; 4. Extrusion forging mechanism; 401. Bottom plate; 402. Vertical plate; 403. Fixed plate; 404. Action groove; 405. Extrusion forging cylinder; 406.Cylinder bracket; 407. floating joint; 408. power rod; 409. push rod seat; 410. push rod; 411. cutter head slideway; 412. cutter head slot; 413. cutter head; 414. notch; 415. stop rod; 416. leaf spring; 417. leaf spring baffle; 418. cutter head baffle; 419. long arm; 420. short arm; 5. needle and thread transfer mechanism; 501. transfer frame; 502. horizontal transfer slide; 503. longitudinal plate; 504. longitudinal transfer slide; 505. transfer cylinder; 506. Transfer jaws; 6. Test mechanism; 601. Pressure test bench; 602. Wire pulling mechanism; 603. Tension test mechanism; 604. Unloading mechanism; 605. Product collection device; 606. Wire pulling slide; 607. Wire pulling pad; 608. Push-pull support plate; 609. Push-pull cylinder; 610. Limit cylinder; 611. Limit plate; 612. Guide rod base; 613. Wire column; 614. Tension test slide; 615. Tension gauge fixing block; 616. Pressure sensor; 6 17. Suture needle cylinder; 618. Suture needle clamp; 619. Thread clamp mechanism; 620. Lifting cylinder; 621. Lifting cylinder connecting block; 622. Thread clamp cylinder; 623. Thread clamp clamp; 624. Moving slide; 625. Horizontal fixing plate; 626. Horizontal slide; 627. Lateral slide support; 628. Lateral slide; 629. Support fixing plate; 630. Unloading cylinder; 631. Unloading clamp; 632. Collecting slide; 633. Support plate; 634. Finished product loading box; 635. Waste needle storage box; 636. Waste thread storage box; 637. Support frame; 7. Suture thread conveying mechanism; 701. X-axis slide; 702. X-axis slider; 703. X-axis motor; 704. Y-axis slide; 705. Y-axis slider; 706. Y-axis motor; 707. Vertical connecting plate; 708. Z-axis slide; 709. Z-axis slider; 710. Z-axis motor; 711. Thread clamp support; 712. Thread pneumatic clamp; 713. Thread material claw; 8. Suture needle; 9. Suture thread. . DETAILED DESCRIPTION

[0048] The specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0049] like Figure 1 and Figure 2 As shown, the present invention is provided with a frame 1, and a needle feeding mechanism 2 is provided above the frame 1. Figure 3As shown, the needle feeding mechanism 2 includes a feeding bracket 201 arranged on the frame 1, and a roller 206 is arranged at the bottom end of the feeding bracket 201 to facilitate the movement of the feeding mechanism; a feeding base plate 202 is provided on the feeding bracket 201, and two feeding troughs 203 are arranged side by side above the feeding base plate 202, and the feeding troughs 203 are vibrating feeding troughs for placing suture needles 8, and the feeding troughs 203 can adopt any mechanism in the prior art that can realize vibrating feeding; camera brackets 204 are arranged on both sides of the feeding troughs 203, and the camera brackets 204 are fixed on the feeding bracket 201, and two cameras 205 are arranged side by side at the top of the camera bracket 204, and the two cameras 205 are respectively arranged above the two feeding troughs 203, and the cameras 205 are used to image the suture needles in the feeding troughs 203, so as to facilitate the feeding mechanism to identify the suture needles.

[0050] The front ends of the two feeding troughs 203 are provided with a material taking mechanism, such as Figure 4 As shown, the material picking mechanism drives the needle picking claw through the rotating component 208. The rotating component 208 can adopt any rotating mechanism in the prior art that can drive an object to rotate. The rotating component 208 drives the needle picking claw to the material feeding trough 203 to grab the suture needle. The needle picking claw is fixed to the output end of the rotating component 208 through the needle picking connector 207. The needle picking claw includes a grabbing cylinder 209. Two needle claws 210 are arranged at the output end of the grabbing cylinder 209. The grabbing cylinder 209 is a pneumatic finger. The grabbing cylinder 209 drives the two needle claws 210 to open and close, thereby grabbing the suture needle.

[0051] Two feeding mechanisms are arranged in parallel at one end of the material taking mechanism. Figure 5 As shown, the feeding mechanism includes a feeding slide 211, a feeding base plate 218 is provided on the loading base plate 202, the feeding slide 211 is fixed to the loading base plate 202 through the feeding base plate 218, a feeding slider 212 is provided on the feeding slide 211, a feeding cylinder 219 is provided on the feeding base plate 218 to drive the feeding slider 212 to move along the feeding slide 211; an action mechanism is provided on the feeding slider 212, the action mechanism includes a feeding base 213 provided on the feeding slider 212, a base connecting plate 214 is provided on the feeding base 213, a clamping claw connecting piece 215 is provided in front of the base connecting plate 214, a pneumatic clamping claw 216 is provided at the front end of the clamping claw connecting piece 215, two clamping claw pieces 217 are provided at the output end of the pneumatic clamping claw 216, and the pneumatic clamping claw 216 drives the two clamping claw pieces 217 to open and close to realize clamping and feeding.

[0052] A positioning side plate 220 is fixed to one side of the base connecting plate 214, and a positioning cylinder 221 is arranged on the inner side of the positioning side plate 220. A positioning pin 222 is arranged at the output end of the positioning cylinder 221, and a pin hole 223 is arranged on one side of the clamping jaw connecting piece 215. The positioning pin 222 matches the pin hole 223. The positioning cylinder 221 drives the positioning pin 222 to insert into the pin hole 223, and the pneumatic clamping jaw 216 is positioned through the clamping jaw connecting piece 215.

[0053] A camera assembly is provided in front of the action mechanism, such as Figure 6 As shown, the camera assembly includes visual cameras 224 arranged on both sides of the front end of the action mechanism, surface light sources 225 are respectively provided obliquely above the two visual cameras 224, a light source base 226 is provided on the loading base 202, light source supports 227 are respectively provided on both sides of the light source base 226, the top of the light source support 227 is inclined toward the visual camera 224, the surface light source 225 is provided on the top of the light source support 227, the camera assembly also includes two camera supports 228 arranged on the light source base 226, the visual camera 224 is arranged on the camera support 228, and the two surface light sources 225 provide light sources for the visual cameras 224 at their diagonal locations respectively.

[0054] A thread feeding mechanism 3 is provided on one side of the needle feeding mechanism 2. Figure 7 and Figure 8 As shown, a line feeding control cabinet 367 and a line shifting mechanism control cabinet 368 are provided in the rack 1, a wiring trough 369 is provided on one side of the rack 1, and each line in the control cabinet is routed in the wiring trough 369. The line feeding mechanism 3 includes a wire wheel feeding mechanism 301 symmetrically arranged on the rack 1, as shown in FIG. Fig. 9 As shown, the wire wheel feeding mechanism 301 includes two wire wheel support plates 302 symmetrically arranged on the frame 1, a wire wheel end plate 303 is arranged on the wire wheel support plate 302, a wire wheel 304 is arranged on the top of the wire wheel end plate 303, the wire wheel 304 is used to place the suture, and a guide pulley 305 and a guide wheel 306 are also arranged on the wire wheel end plate, and a visual camera 370 is arranged between the two guide wheels 306. The suture 9 is guided by the guide pulley 305 and the guide wheel 306 and then transported. A wire length adjustment mechanism 307 is arranged between the guide pulley 305 and the guide wheel 306. The wire length adjustment mechanism 307 includes a wire length adjustment fixing plate 308 fixed on the wire wheel end plate 303, and a wire length adjustment fixing plate 308 is fixed on the wire wheel end plate 303. Two fixed pulleys 309 and one movable pulley 310 are provided on the plate 308. After the suture thread 9 passes through the guide pulley 305, the length of the thread is adjusted by the movable pulley 310 and the fixed pulley 309. A thread wheel clamp mechanism 311 is provided at the front end of the thread wheel end plate 303. The thread wheel clamp mechanism 311 includes a thread wheel clamp mounting plate 312 arranged on the thread wheel end plate 303. A thread wheel cylinder 313 is provided on the thread wheel clamp mounting plate 312. Two thread wheel clamps 314 are provided at the output end of the thread wheel cylinder 313. The thread wheel cylinder 313 drives the two thread wheel clamps 314 to open and close. The suture thread 9 is transported to the thread wheel clamp 314 via the guide wheel 306, and the suture thread is clamped and positioned.

[0055] A forward pulley assembly 315 is provided on one side of the wire wheel feeding mechanism 301. Fig.10 and Fig.11As shown, the forward pulley assembly 315 includes a pulley block base plate 316 arranged on the frame 1, and a movable slide 317 is symmetrically arranged on the pulley block base plate 316. A movable cylinder is arranged on one side of the movable slide 317 to drive the slider in the movable slide 317 to move horizontally. A long pad 319 is connected to the slider of the movable slide 317 through a pulley block fixed vertical plate 318. A vertical plate 320 is connected to one side of the long pad 319. A pulley slide 321 is arranged on one side of the vertical plate 320. A pulley cylinder is arranged on one side of the pulley slide 321 to drive the slider in the pulley slide 321 to move vertically. A pulley positioning plate 322 is arranged on the slider of the pulley slide 321. The pulley positioning plate 322 is arranged on the slider of the pulley slide 321. A pulley fixing cylinder 323 is connected to 22, and the output end of the pulley fixing cylinder 323 is connected to two pulley connecting optical axes 325 through a cylinder fixing plate 324. Two vertical pulley moving channels 326 are provided on the vertical plate 320. The pulley connecting optical axis 325 is connected to the line adjusting movable pulley 327 on the other side of the vertical plate 320 through the pulley moving channel 326. A line adjusting guide wheel 328 is also provided on the other side of the vertical plate 320. When adjusting the line, the pulley cylinder drives the line adjusting movable pulley 327 to move up and down to adjust the line length through the pulley fixing cylinder 323. The pulley fixing cylinder 323 can also realize the release of the line adjusting movable pulley 327 by driving the pulley connecting optical axis 325.

[0056] A heating and cutting mechanism 329 is provided on one side of the forward pulley assembly 315. Fig.12 and Fig.13As shown, the heating shearing mechanism 329 includes a heating shearing bottom pad 330 symmetrically arranged on the frame 1, a heating horizontal slide 331 is arranged on the heating shearing bottom pad 330, a heating horizontal cylinder is arranged on one side of the heating horizontal slide 331 to drive the slider on the heating horizontal slide 331 to move horizontally, a heating shearing long pad 332 is arranged on the slider of the heating horizontal slide 331, a heating slide 333 is arranged on the long heating shearing pad 332, a heating slide 333 is arranged on one side of the heating slide 333 to drive the slider on the heating slide 333 to move horizontally, a heating cross plate 334 is arranged on the slider of the heating slide 333, a heating shearing cylinder 335 is symmetrically arranged on the heating cross plate 334, two heating shearing jaws 336 are arranged on the output end of the heating shearing cylinder 335, and the heating shearing cylinder 335 drives the two heating shearing jaws 336 to open and close A heating mechanism 338 is fixed on one side of the heating horizontal plate 334 through a heating vertical plate 337. The heating mechanism 338 is arranged between two heating shearing cylinders 335. The heating mechanism 338 includes a heating block 339 arranged between the two heating shearing cylinders 335. The heating block 339 is fixed on the heating vertical plate 337 through an insulating block 340. The power input end of the heating block 339 passes through the insulating block 340 and the heating vertical plate 337 to the outside. A shearing mechanism 342 is fixed on the other side of the heating horizontal plate 334 through a shearing back plate 341. The shearing mechanism 342 is arranged corresponding to the heating mechanism 338. The shearing mechanism 342 includes a shearing cylinder 343 arranged on the shearing back plate 341. Two cutters 344 are arranged at the output end of the shearing cylinder 343. The shearing cylinder 343 drives the two cutters 344 to open and close, thereby cutting the suture line.

[0057] A line moving mechanical arm 345 is provided above the frame 1. Fig.14 As shown, the line moving mechanical arm 345 includes a line moving vertical arm 346 arranged on the frame 1, and two line moving horizontal arms 347 are arranged on the line moving vertical arm 346. The two line moving horizontal arms 347 are connected by a line moving support arm 348, and line moving mechanisms 349 are respectively arranged under the two line moving horizontal arms. Fig.15As shown, the wire moving mechanism 349 includes a wire moving extension pad 350 arranged at the bottom end of the wire moving cross arm 347, a wire moving slide 351 is fixed below the wire moving extension pad 350, a wire moving cylinder is arranged on one side of the wire moving extension pad 350 to drive the slider on the wire moving slide 351 to move horizontally, a wire pulling slide fixing plate 352 is fixed on the slider of the wire moving slide 351, a wire pulling slide 353 is arranged on the wire pulling slide fixing plate 352, a wire pulling cylinder is arranged on one side of the wire pulling slide 353 to drive the slider on the wire pulling slide 353 to move vertically, a wire pulling claw fixing plate 354 is arranged on the slider of the wire pulling slide 353, wire pulling cylinders 355 are symmetrically arranged on both sides of the wire pulling claw fixing plate 354, two wire pulling claws 356 are arranged at the output end of the wire pulling cylinder 355, the wire pulling cylinder 355 drives the two wire pulling claws 356 to open and close, and the suture thread is clamped by the wire pulling claws 356.

[0058] The other side of the heating and cutting mechanism 329 uses a rear pulley assembly 357 to transmit the suture thread. The structure of the rear pulley assembly 357 is the same as the structural principle of the forward pulley assembly 315.

[0059] A guide wheel guide groove mechanism 358 is provided at the rear pulley assembly 357. Fig.16 As shown, the guide groove and guide wheel mechanism 358 includes a guide groove frame 359, and two groups of guide mechanisms are formed by three guide groove frames 359. The guide mechanism includes a guide groove cylinder 361 arranged on the guide groove frame 359 and fixed by a guide groove vertical plate 360. The output end of the guide groove cylinder 361 is connected to the guide groove body 362. Every two guide groove bodies 362 are arranged correspondingly. A guide wheel cylinder 363 is provided on one side of each group of guide groove bodies 362. The guide wheel cylinder 363 is fixed on the frame 1 through a guide wheel cylinder support 364. A wire fixed pulley support 365 is provided at the output end of the guide wheel cylinder 363. The wire fixed pulley support 365 is provided with an output guide wheel 366. The guide wheel cylinder 363 drives the output guide wheel 366 to move vertically, and the output guide wheel 366 guides and transports the suture thread.

[0060] When in use, the wire wheel feeding mechanism 301 releases the suture thread 9 through the wire wheel 304, and the suture thread is guided by the guide pulley 305, the wire length adjustment mechanism 307 and the guide wheel 306, and then transported to the wire wheel clamp mechanism 311. The wire wheel clamp 314 in the wire wheel clamp mechanism 311 clamps and positions the suture thread, and the wire pulling clamp 356 on one side of the wire moving mechanical arm 345 clamps the suture thread and moves it to the other side of the frame 1, and the forward pulley assembly 315 and the backward pulley assembly 357 adjust the wire length. The heating block 339 in the heating and cutting mechanism 329 heats the suture thread. After the heating is completed, the heating and cutting claws 336 on both sides of the heating block 339 cut the suture threads at both ends of the heating block 339. After the cutting is completed, the cut suture threads are clamped to the next process by the robot arm of the next process, and then the wire pulling claw 356 of the line moving robot arm 345 continues to clamp the suture thread 9 at the cutting claw 336 and pull it to the other end of the frame 1 for the next round of heating and cutting operation.

[0061] The output end of the thread feeding mechanism 3 is provided with a suture thread conveying mechanism 7, such as Fig.17 As shown, the suture conveying mechanism 7 includes an X-direction slide 701 arranged on the frame 1, an X-direction slide 702 is provided on the X-direction slide 701, and an X-direction motor 703 is provided on one side of the X-direction slide 701 to drive the X-direction slide 702 to move horizontally along the X-direction slide 701; a Y-direction slide 704 is fixed on the X-direction slide 702, a Y-direction slide 705 is provided on the Y-direction slide 704, a Y-direction motor 706 is provided on one side of the Y-direction slide 704 to drive the Y-direction slide 705 to move horizontally along the Y-direction slide 704, a Z-direction slide 708 is fixed on the Y-direction slide 705 through a vertical connecting plate 707, a Z-direction slide 709 is provided on the Z-direction slide 70 A Z-axis motor 710 is arranged at the top of 8 to drive the Z-axis slider 709 to move vertically along the Z-axis slide 708, a wire clamping claw support 711 is arranged on the Z-axis slider 709, a wire clamping claw support 711 is arranged on the wire clamping claw support 711, two wire pneumatic clamping claws 712 are arranged at the output end of the wire pneumatic clamping claw 712, and the two wire feeding claws 713 are used to convey the suture 9, and the wire pneumatic clamping claw 712 drives the two wire feeding claws 713 to open and close to clamp the suture 9, and when the wire feeding mechanism 3 conveys the suture to the suture conveying mechanism 7, the suture conveying mechanism 7 adjusts the position of the suture to make it correspond to the suture needle, and clamps the suture 9 and fixes it at the suture needle 8.

[0062] When the needle loading mechanism loads the suture needle, it first places the suture needle in the feed trough 203, and the picking mechanism drives the needle claw 210 to grab the suture needle through the grabbing cylinder 209, and then transports the suture needle to the feeding mechanism. The pneumatic clamp 216 in the feeding mechanism drives the two clamping claws 217 to clamp the suture needle, and the feeding cylinder 219 drives the feeding slider 212 to transport the suture needle to the assembly site. At the same time, the suture thread conveying mechanism 7 fixes the suture thread at the assembly site, and the visual camera 224 and the surface light source 225 are imaged at the assembly site to facilitate the subsequent swaging operation of the swaging mechanism 4.

[0063] A forging mechanism 4 is provided between the needle feeding mechanism 2 and the wire feeding mechanism 3. Fig.18 As shown, the extrusion forging mechanism 4 includes a bottom plate 401 disposed on the frame 1, two vertical plates 402 are vertically disposed on the bottom plate 401, and a fixed plate 403 is disposed above the 402. Fig.19 As shown, an action groove 404 is formed between the bottom plate 401 , the two vertical plates 402 , and the fixed plate 403 . A forging cylinder 405 is provided below the bottom plate 401 . The forging cylinder 405 is fixed to the bottom plate 401 through a cylinder bracket 406 . The cylinder bracket 406 is provided in the action groove 404 .

[0064] like Fig. 20 As shown, a floating joint 407 is provided at the output end of the swaging cylinder 405, and two power rods 408 are hinged on the floating joint 407. The power rod 408 is an L-shaped power rod, and a long arm 419 of the L-shaped power rod is hinged to the floating joint 407. The swaging cylinder 405 drives the floating joint 407 to move in the vertical direction, and drives the short arm 420 of the power rod 408 to move through the long arm 419 of the power rod 408. A push rod seat 409 is fixed on the short arm 420 of the power rod 408, and the push rod seat 409 is connected to the fixed plate 403 in a hinged manner. The swaging cylinder 405 drives the short arms 420 of the two power rods 408 through the floating joint 407, thereby driving the two push rod seats 409 to open and close. A push rod 410 is arranged in the push rod seat 409, and the push rod 410 moves with the push rod seat 409.

[0065] Two cutter head slideways 411 are arranged in parallel on the fixing plate 403. Fig.21 As shown, a cutter head groove 412 is provided in the cutter head slide 411, and a cutter head 413 is provided in the cutter head groove 412. The cutter head 413 is limited in the cutter head groove 412 by a cutter head baffle 418, and the cutter head 413 can slide in the cutter head groove 412. The two cutter heads 413 are arranged opposite to each other, and a notch 414 is provided at the front end of the cutter head 413. The notch 414 is semicircular, and the notch 414 matches the suture needle to be swaged, and when the two notches 414 correspond to each other, the suture thread and the suture needle are squeezed together.

[0066] The two push rods 410 are respectively disposed at the rear ends of the two cutter heads 413. Fig. 22As shown, a stopper rod 415 is provided at the rear end of the cutter head 413. When the forging cylinder 405 drives the push rod 410 to move, the cutter head 413 is pushed by the stopper rod 415, so that the two cutter heads 413 move inward to forge the suture needle.

[0067] A leaf spring 416 is also provided on the fixed plate 403, and a leaf spring baffle 417 is provided at the rear end of the cutter head 413. The cutter head 413 cooperates with the leaf spring 416 through the leaf spring baffle 417. After the extrusion forging is completed, the leaf spring 416 can use its own elastic force to pull the cutter head 413 apart through the leaf spring baffle 417 and restore it to its initial state.

[0068] like Fig.23 As shown, when in use, the suture needle 8 is placed between the two notches 414, and the swaging cylinder 405 drives the floating joint 407 to retract, so that the two push rod seats 409 move inward, and the push rod 410 pushes the cutter head 413 through the baffle rod 415, and the two cutter heads 413 move inward to squeeze the suture needle and the suture thread tightly; after the swaging is completed, the swaging cylinder 405 drives the floating joint 407 to extend, so that the two push rod seats 409 move outward, the baffle rod 415 separates from the cutter head 413 and moves outward, and the leaf spring 416 uses its own elastic force to pull the cutter head 413 outward through the leaf spring baffle 417 to complete a swaging cycle.

[0069] A needle thread transfer mechanism 5 is also provided above the frame 1. Fig.24 As shown, the needle and thread transfer mechanism 5 includes a transfer frame 501 fixed on the online feeding mechanism 3, and two lateral transfer slides 502 are arranged on the transfer frame 501. A longitudinal transfer slide 504 is arranged on the slider of the lateral transfer slide 502 through a longitudinal plate 503, and a transfer cylinder 505 is arranged on the slider of the longitudinal transfer slide 502. A transfer clamp 506 is arranged at the output end of the transfer cylinder 505, and the transfer cylinder 505 drives the two transfer clamps 506 to clamp the suture needle, and moves the suture needle and suture thread that have been swaged to the testing mechanism 6.

[0070] A testing mechanism 6 is provided on one side of the line feeding mechanism 3. Fig.25 As shown, the testing mechanism 6 includes a pressure testing platform 601 arranged on the frame 1, and a wire pulling mechanism 602 is provided on the pressure testing platform 601, and the wire pulling mechanism 602 clamps the suture, and a tension testing mechanism 603 is provided on one side of the wire pulling mechanism 602, and the tension testing mechanism 603 performs tension testing on the suture needle and suture pulled by the wire pulling mechanism 602, and a material discharge mechanism 604 is provided above the pressure testing platform 601, and the material discharge mechanism 604 clamps and discharges the suture 9 after the tension test is completed, and a product collecting device 605 is also provided on the pressure testing platform 601 to collect the sutures that have completed the test.

[0071] like Fig.26As shown, the wire pulling mechanism 602 includes a wire pulling slide 606 arranged on the tension test bench 601, a wire pulling cylinder is arranged on one side of the wire pulling slide 606 to drive the slider on the wire pulling slide 606 to move horizontally, a wire pulling pad 607 is arranged on the slider of the wire pulling slide 606, a push-pull cylinder 609 is fixed on the wire pulling pad 607 through a push-pull support plate 608, a limit cylinder 610 is arranged on one side of the output connecting rod of the push-pull cylinder 609, and a limit plate 611 is arranged on the other side, the output end of the limit cylinder 610 is connected to the limit clamp 612, the limit clamp 612, the limit plate 611 and the output connecting rod of the push-pull cylinder 609 cooperate to pull the suture thread, and the output end of the push-pull cylinder 609 is fixed with a wire column 613 through a guide rod base 612 to guide the suture thread.

[0072] like Fig. 27 As shown, the tension testing mechanism 603 includes a tension testing slide 614, which is fixed on the tension testing platform 601 through a tension testing plate (not shown in the figure), a tension testing cylinder is arranged on one side of the tension testing slide 614 to drive the slider on the tension testing slide 614 to move horizontally, two tension gauge fixing blocks 615 are arranged on the slider of the tension testing slide 614, one side of the two tension gauge fixing blocks 615 is connected with a pressure sensor 616, the pressure sensor 616 is a weighing pressure sensor, a suture needle cylinder 617 is arranged above the top tension gauge fixing block 615, two suture needle clamps 618 are arranged at the output end of the suture needle cylinder 617, the suture needle cylinder 617 drives the two suture needle clamps 618 to open and close, thereby clamping the suture needle 8, and the pressure sensor 616 measures the tension of the suture needle cylinder 617 on the suture needle 8 and the suture thread 9 by measuring the weight of the suture needle cylinder 617.

[0073] The front end of the tension testing mechanism 603 is provided with a wire clamping mechanism 619, such as Fig.28 As shown, the wire clamping mechanism 619 includes a lifting cylinder 620 arranged on the pressure testing bench 601, and a lifting cylinder connecting block 621 is provided at the output end of the lifting cylinder 620, and a wire clamping cylinder 622 is provided on the lifting cylinder connecting block 621. The lifting cylinder 621 drives the wire clamping cylinder 622 to move up and down, and two wire clamping claws 623 are provided at the output end of the wire clamping cylinder 622. The wire clamping cylinder 622 drives the two wire clamping claws 623 to open and close, thereby clamping the suture thread.

[0074] like Fig.29As shown, the unloading mechanism 604 includes a movable slide 624 arranged on the pressure test bench 601, a movable cylinder is arranged on one side of the movable slide 624 to drive the slider on the movable slide 624 to move horizontally, a transverse fixing plate 625 is arranged on the slider of the movable slide 624, a transverse slide 626 is arranged on the transverse fixing plate 625, a transverse slide 626 is arranged on one side of the transverse slide 626 to drive the slider on the transverse slide 626 to move horizontally, a lateral slide support 627 is arranged on the slider of the transverse slide 626, and the lateral slide support 627 is arranged on the slider of the transverse slide 626. 7 is provided with a lateral slide 628, one side of the lateral slide 628 is provided with a lateral cylinder to drive the slider on the lateral slide 628 to move up and down, the slider of the lateral slide 628 is provided with a support fixing plate 629, the support fixing plate 629 is provided with a feeding cylinder 630, the output end of the feeding cylinder 630 is provided with two feeding jaws 631, the feeding cylinder 630 drives the two feeding jaws 631 to open and close, the feeding jaws 631 clamp the suture thread that has completed the tensile test, and put it into the product collecting device 605.

[0075] like Fig.30 As shown, the product collecting device 605 includes a collecting slide 632 arranged on the pressure testing table 601, and three collecting slides 632 are arranged in parallel. A collecting cylinder is arranged on one side of the collecting slide 632 to drive the slider on the collecting slide 632 to move horizontally. A support plate 633 is arranged on the sliders of the three collecting slides 632, and a finished product loading box 634 is arranged on the support plate 633, which is used to hold suture needles and suture threads that pass the tensile test. A waste needle storage box 635 and a waste thread storage box 636 are arranged on one side of the finished product loading box 634, which are respectively used to hold waste needles and waste threads that fail the tensile test. A plurality of supporting frames 637 are arranged inside the finished product loading box 634 for reinforcing the finished product loading box 634, and the collecting cylinder can drive the finished product loading box to move on the tensile testing table.

[0076] The needle and thread transfer mechanism 5 transfers the suture needle and suture thread that have been swaged to the tension testing mechanism 603. The suture needle clamp 618 in the tension testing mechanism 603 clamps the suture needle, and the wire clamp clamp 623 in the wire clamping mechanism 619 clamps the suture thread. The push-pull cylinder 609 of the wire pulling mechanism 602 retracts, so that the limit clamp 612, the limit plate 611 and the output connecting rod of the push-pull cylinder 609 cooperate to fix the suture thread, and the wire clamp clamp 623 releases the suture thread. The wire pulling cylinder drives the wire pulling pad 607 to move to the left to pull the suture thread. At this time, the pressure sensor 616 measures the weight of the suture needle cylinder 617, thereby measuring the tension of the suture needle cylinder 617 and the wire pulling mechanism 602 on the suture thread. After the tension test is completed, the unloading mechanism 604 clamps the suture thread and sends it to the corresponding loading box in the product collecting device 605 to complete the tension test of the suture thread and the suture needle.

[0077] However, what is described above is only a specific embodiment of the present invention and should not be used to limit the scope of implementation of the present invention. Therefore, the replacement of equivalent components, or equivalent changes and modifications made according to the scope of protection of the present invention should still fall within the scope covered by the claims of the present invention.

Claims

1. A medical suture assembly machine, which is provided with a frame, and a needle feeding mechanism is provided above the frame, characterized in that: The needle feeding mechanism includes a feeding mechanism and a feeding mechanism. The feeding mechanism adopts a needle claw to grab the suture needle, and the feeding mechanism adopts a pneumatic clamp to drive the clamp to clamp and feed. A wire feeding mechanism is provided on one side of the needle feeding mechanism. The wire feeding mechanism includes a wire wheel feeding mechanism and a heating and cutting mechanism. The wire wheel feeding mechanism adopts a wire wheel and a fixed pulley assembly to convey the suture thread. The heating and cutting mechanism adopts a heating mechanism to heat the suture thread, and adopts a cutting mechanism to shear the suture thread. An extrusion forging mechanism is provided between the needle feeding mechanism and the wire feeding mechanism. The extrusion forging mechanism adopts an extrusion forging cylinder to drive two The cutter head extrude and forge the suture thread and the suture needle; a testing mechanism is provided on one side of the thread feeding mechanism, and the testing mechanism includes a wire pulling mechanism and a tension testing mechanism, the wire pulling mechanism uses a wire pulling slide to pull the suture thread, and the tension testing mechanism uses a suture needle cylinder to clamp the suture needle, and uses a pressure sensor to perform tension testing on the suture needle and suture thread pulled by the suture needle cylinder; a needle and thread transfer mechanism is also provided above the frame, and the needle and thread transfer mechanism uses a transfer cylinder to transfer the suture thread that has been extrude and forged to the testing mechanism; the needle feeding mechanism also includes a feeding bracket arranged on the frame, and a roller is arranged at the bottom end of the feeding bracket.

2. The medical suture assembly machine according to claim 1, characterized in that The needle loading mechanism includes a loading base plate, two feeding troughs are arranged side by side above the loading base plate, a picking mechanism is arranged at the front end of the two feeding troughs, and the picking mechanism drives the needle picking claw through a rotating component; two feeding mechanisms are arranged side by side at one end of the picking mechanism, the feeding mechanism includes a feeding slide, a feeding slider is arranged on the feeding slide, an action mechanism is arranged on the feeding slider, and the action mechanism adopts a pneumatic clamp to drive the clamp to clamp and feed the material; a camera assembly is arranged in front of the action mechanism, and the camera assembly includes visual cameras arranged on both sides of the front end of the action mechanism, and surface light sources are respectively arranged obliquely above the two visual cameras.

3. The medical suture assembly machine according to claim 2, characterized in that The action mechanism includes a feeding base arranged on a feeding slider, a base connecting plate is provided on the feeding base, a clamping claw connecting piece is provided in front of the base connecting plate, a pneumatic clamping claw is provided at the front end of the clamping claw connecting piece, and two clamping claw pieces are provided at the output end of the pneumatic clamping claw.

4. The medical suture assembly machine according to claim 1, characterized in that The wire feeding mechanism includes a wire wheel feeding mechanism symmetrically arranged on the frame, a forward pulley assembly is provided on one side of the wire wheel feeding mechanism, the forward pulley assembly uses a guide wheel to convey the suture, a heating and cutting mechanism is provided on one side of the forward pulley assembly, a wire moving mechanical arm is provided above the frame, the wire moving mechanical arm uses a wire pulling claw to clamp and convey the suture, the other side of the heating and cutting mechanism uses a rear pulley assembly to convey the suture, the rear pulley assembly is provided with a guide wheel guide groove mechanism, the guide wheel guide groove mechanism uses a guide groove body and a fixed pulley assembly to guide and convey the suture.

5. The medical suture assembly machine according to claim 4, characterized in that The wire wheel feeding mechanism includes a wire wheel support plate symmetrically arranged on the frame, a wire wheel end plate is provided on the wire wheel support plate, a wire wheel is provided on the top of the wire wheel end plate, a guide pulley and a guide wheel are also provided on the wire wheel end plate, and a wire wheel clamping mechanism is provided at the front end of the wire wheel end plate.

6. The medical suture assembly machine according to claim 5, characterized in that The forward pulley assembly and the backward pulley assembly include a pulley block base plate arranged on a frame, a movable slide is symmetrically arranged on the pulley block base plate, a long pad is connected to the slider of the movable slide through a pulley block fixing vertical plate, one side of the long pad is connected to a vertical plate, a pulley slide is arranged on one side of the vertical plate, a pulley positioning plate is arranged on the slider of the pulley slide, a pulley fixing cylinder is connected to the pulley positioning plate, the output end of the pulley fixing cylinder is connected to two pulley connecting optical axes through a cylinder fixing plate, two vertical pulley moving channels are provided on the vertical plate, and the pulley connecting optical axis is connected to the line adjusting pulley on the other side of the vertical plate through the pulley moving channel.

7. The medical suture assembly machine according to claim 6, characterized in that The heated shearing mechanism includes a heated shearing bottom pad symmetrically arranged on the frame, a heated horizontal slide is arranged on the heated shearing bottom pad, a heated shearing long pad is arranged on the slider of the heated horizontal slide, a heated slide is arranged on the heated shearing long pad, a heated slide is arranged on the slider of the heated slide, a heated cross plate is arranged on the slider of the heated slide, heated shearing cylinders are symmetrically arranged on the heated cross plate, heated shearing claws are arranged on the output end of the heated shearing cylinder, a heating mechanism is fixed to one side of the heated cross plate through a heated vertical plate, the heating mechanism is arranged between two heated shearing cylinders, a shearing mechanism is fixed to the other side of the heated cross plate through a shearing back plate, and the shearing mechanism is arranged corresponding to the heating mechanism.

8. The medical suture assembly machine according to claim 1, characterized in that The extrusion and forging mechanism includes a base plate arranged on a frame, two vertical plates are vertically arranged on the base plate, a fixed plate is arranged above the vertical plate, an extrusion and forging cylinder is arranged below the base plate, a floating joint is arranged at the output end of the extrusion and forging cylinder, two power rods are hinged on the floating joint, a push rod seat is fixed at the other end of the power rod, a push rod is arranged in the push rod seat, two cutter head slides are arranged in parallel on the fixed plate, a cutter head is slidably arranged in the cutter head slide, the two cutter heads are arranged opposite to each other, the two push rods are respectively arranged at the rear ends of the two cutter heads, a leaf spring is also arranged on the fixed plate, and the leaf spring cooperates with the rear end of the cutter head.

9. The medical suture assembly machine according to claim 1, characterized in that The testing mechanism includes a pressure testing platform arranged on a frame, a wire pulling mechanism is provided on the pressure testing platform, a push-pull cylinder and a limit cylinder are provided on the wire pulling slide to clamp the suture, a tension testing mechanism is provided on one side of the wire pulling mechanism, a unloading mechanism is provided above the pressure testing platform, the unloading mechanism uses an unloading cylinder to clamp and discharge the suture that has completed the tension test, and a product collecting device is also provided on the pressure testing platform to collect the suture that has completed the test.

10. The medical suture assembly machine according to claim 1, characterized in that The needle and thread transfer mechanism includes a transfer frame fixed on the online feeding mechanism, the transfer frame is provided with two transverse transfer slides, the slider of the transverse transfer slide is provided with a longitudinal transfer slide through a longitudinal plate, the slider of the longitudinal transfer slide is provided with a transfer cylinder, the output end of the transfer cylinder is provided with a transfer claw, and the transfer cylinder drives the transfer claw to clamp the suture needle.

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