Circulating polishing device for surgical blade

Abstract

The invention discloses a surgical blade circulating type polishing device. A circulating conveying mechanism comprises a workbench, a circulating rail is connected to the workbench, a circulating driving assembly is connected to the rail, and a plurality of mechanical clamping jaws are connected to the circulating driving assembly; two positioning plates are connected to the workbench and correspond to mechanical clamping jaws of the feeding station and the discharging station respectively, and positioning rods are connected to the mechanical clamping jaws. The cutter box is connected to the vertical plate, and a cutter arranging groove is formed in the bottom end of the side, facing the circulating conveying mechanism, of the cutter box. The hook knife assembly comprises a hook knife head which extends into the bottom end of the knife box; the polishing machine is connected with a polishing wheel. The circulation driving assembly drives the mechanical clamping jaw to pass through the bottom of the polishing wheel. The linear sliding table module B is connected with a tool channeling table, and the tool channeling table is connected with a plurality of tool channeling rods. Compared with the prior art, traditional manual polishing is replaced by machine automatic polishing, time and labor are greatly saved, and the working efficiency is greatly improved.

Description

Technical Field

[0001] The invention relates to the technical field of polishing devices, in particular to a circulating polishing device for surgical blades. Background Art

[0002] A scalpel is a specialized knife consisting of a blade and a handle used for cutting human or animal tissue. It's an essential surgical tool. The blade typically has a cutting edge and a mounting hole for the handle. It's typically made of pure titanium, titanium alloy, stainless steel, or carbon steel.

[0003] During the production process of blades, the cutting edge is ground, which can produce burrs and requires polishing. Currently, most manual polishing methods are used. This involves the operator holding a blade, fanning it like a playing card, and then placing it directly on a polishing wheel for polishing. This traditional polishing method is time-consuming and labor-intensive, significantly reducing work efficiency. Summary of the Invention

[0004] The purpose of the present invention is to provide a surgical blade circulating polishing device, which replaces traditional manual polishing with automatic machine polishing, saves considerable time and labor, greatly improves work efficiency, and solves the problems raised in the above background technology.

[0005] To achieve the above object, the present invention provides the following technical solutions: A surgical blade circulation polishing device comprises a machine table, a circulation conveying mechanism is connected to the machine table, and the machine table outside the circulation conveying mechanism is respectively connected with a loading mechanism, a polishing mechanism and an unloading mechanism; the circulation conveying mechanism comprises a workbench, a circulation track is connected to the workbench, a circulation driving assembly is connected to the track, a plurality of mechanical clamps are connected to the circulation driving assembly, the bottom ends of the mechanical clamps are rotatably connected to a plurality of rollers, and the rollers are clamped on the track; two positioning plates are connected to the workbench, the two positioning plates correspond to the mechanical clamps of the loading and unloading stations respectively, the mechanical clamps are connected with a positioning rod, and the first cylinder drives the positioning plate to move toward the end of the mechanical clamp so that the positioning plate The positioning rod is clamped in the positioning plate; the loading mechanism includes a vertical plate, a knife box, a hook knife assembly and a linear slide module A. The knife box is connected to the vertical plate, and the blade is accommodated in the knife box. The bottom end of the knife box facing the circulating conveying mechanism is provided with a knife groove; the vertical plate is connected to the hook knife assembly, the hook knife assembly includes a hook knife head, the hook knife head extends into the bottom end of the knife box, and the linear slide module A drives the hook knife head close to or away from the mechanical clamp; the polishing mechanism includes a polishing machine, and the polishing machine is connected to a polishing wheel, and the circulating drive assembly drives the mechanical clamp through the bottom of the polishing wheel; the unloading mechanism includes a linear slide module B, and the linear slide module B is connected to a tool shifting table, and the tool shifting table is connected to several tool shifting rods.

[0006] A further improvement of the present invention is that the bottom end of the workbench is connected to a plurality of vertical poles, and the bottom ends of the vertical poles are connected to the machine platform; the track is in a closed elliptical shape as a whole, and slots are provided on both the inner and outer sides of the track.

[0007] A further improvement of the present invention is that the circulating drive assembly includes a reduction motor, a driving sprocket, a driven sprocket and a chain; the reduction motor is connected to the bottom end of the workbench through a motor seat, the driving sprocket is connected to the power output end of the reduction motor, the other end of the workbench is connected to a shaft seat, a rotating shaft is rotatably connected to the shaft seat, the driven sprocket is connected to the top of the rotating shaft, and the chain transmission is connected between the driving sprocket and the driven sprocket.

[0008] A further improvement scheme of the present invention is that there are six groups of mechanical clamps, which include a base plate, a base plate connected to the base plate, a lower clamp plate connected to the base plate, an upper clamp plate connected to the base, a spring connected between the upper clamp plate and the lower clamp plate to keep the mechanical clamp in a normally closed state, and a groove for accommodating a blade is provided between the upper clamp plate and the lower clamp plate; a top plate is connected to the workbench, and two vertically arranged second cylinders are connected to the top plate, and the two second cylinders correspond to the mechanical clamps of the loading and unloading stations respectively, and when the second cylinders are extended, they press down the tail ends of the upper clamp plates of the loading and unloading stations to open the mechanical clamps.

[0009] A further improvement of the present invention is that a bottom plate is connected to the bottom of the base plate, and the rollers are rotatably connected to the bottom plate. There are two groups of rollers, two in a group, and the two groups of rollers are respectively clamped in the inner and outer slots of the track, and the bottom plate is connected to the chain.

[0010] A further improvement of the present invention is that a support plate is connected to the workbench below the top plate, the two first cylinders are respectively connected to the support plate, and two sets of slide rail assemblies are connected to the support plate, the two positioning plates are respectively connected to the slide seats of the slide rail assemblies, and the two positioning plates are respectively connected to the power output ends of the two first cylinders, and a U-shaped groove is provided on the positioning plate; the positioning rod is connected to the bottom plate, and when the first cylinder is extended, the positioning plate is driven to approach the positioning rod so that the positioning rod is clamped in the U-shaped groove.

[0011] A further improvement scheme of the present invention is that the linear slide module A is an electric screw slide module, and the hook cutter assembly also includes a U-shaped support, the support is connected to the slide of the linear slide module A, the hook cutter head vertically slides and fits in the support, the top of the hook cutter head is connected to a boss, and the hook cutter head is connected to a guide rod. A movable plate is connected between the supports, and an inclined guide groove is connected to the movable plate. The guide rod slides and fits in the inclined guide groove, the third cylinder is connected to one end of the support, the movable plate is connected to the power output end of the third cylinder, and the top of the support is connected to a cover plate.

[0012] A further improvement of the present invention is that the polishing mechanism also includes a lifting platform, a bracket is connected to the machine platform, a hand-cranked screw assembly and several sliding rods are connected between the brackets, the lifting platform is connected to the nut block of the hand-cranked screw assembly, and the sliding sleeve on the lifting platform slides with the sliding rod, and the polishing machine is connected to the lifting platform.

[0013] A further improvement of the present invention is that the linear slide module B is an electric screw slide module, the slide seat of the linear slide module B is connected to a horizontally arranged fourth cylinder, and the slide of the fourth cylinder is connected to a vertically arranged fifth cylinder; the tool shifting platform is horizontally connected to the slide of the fifth cylinder, and the tool shifting rod is connected in parallel to the tool shifting platform.

[0014] A further improvement of the present invention is that the fourth cylinder and the fifth cylinder are both slide cylinders.

[0015] Beneficial effects of the present invention: The surgical blade circulating polishing device of the present invention replaces traditional manual polishing with automatic machine polishing, which saves considerable time and labor and greatly improves work efficiency.

[0016] The surgical blade circulating polishing device of the present invention operates automatically throughout the entire process, and an operator only needs to take and place the blade, which is safer.

[0017] The surgical blade circulating polishing device of the present invention reduces the number of employees in an enterprise and lowers the production cost of the enterprise.

[0018] In the surgical blade circulating polishing device of the present invention, the mechanical clamps of the loading and unloading stations are equipped with positioning plates to prevent the mechanical clamps of the loading and unloading stations from being misaligned with the loading mechanism and the unloading mechanism, thereby ensuring the accuracy of loading and unloading. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 Schematic diagram of the blade structure.

[0020] Figure 2 It is a schematic diagram of the overall structure of the present invention.

[0021] Figure 3 It is a schematic diagram of the overall structure of the present invention.

[0022] Figure 4 It is a schematic diagram of the overall structure of the feeding mechanism of the present invention.

[0023] Figure 5 It is a schematic diagram of the partial structure of the feeding mechanism of the present invention.

[0024] Figure 6 It is a schematic diagram of the partial structure of the feeding mechanism of the present invention.

[0025] Figure 7 It is a schematic diagram of the partial structure of the feeding mechanism of the present invention.

[0026] Figure 8 It is a schematic diagram of the overall structure of the circulating conveying mechanism of the present invention.

[0027] Figure 9 It is a schematic diagram of the partial structure of the circulating conveying mechanism of the present invention.

[0028] Figure 10 It is a schematic diagram of the partial structure of the circulating conveying mechanism of the present invention.

[0029] Figure 11 Schematic diagram of the overall structure of the mechanical gripper of the present invention.

[0030] Figure 12 Schematic diagram of the partial structure of the mechanical gripper of the present invention.

[0031] Figure 13 It is a schematic diagram of the overall structure of the polishing mechanism of the present invention.

[0032] Figure 14 It is a schematic diagram of the overall structure of the blanking mechanism of the present invention.

[0033] Figure 15 It is a schematic diagram of the overall structure of the blanking mechanism of the present invention.

[0034] In the figure: 1-machine, 2-circulating conveying mechanism, 201-workbench, 202-track, 203-roller, 204-positioning plate, 205-positioning rod, 206-first cylinder, 207-vertical pole, 208-reduction motor, 209-driving sprocket, 210-driven sprocket, 211-chain, 212-axle seat, 213-rotating shaft, 214-base plate, 215-base, 216-lower clamping plate, 217-upper clamping plate, 218-embedded groove, 219-top plate, 220-second cylinder, 221-bottom plate, 222-support plate, 223-slide rail assembly, 224-U-shaped groove, 3-feeding mechanism, 301- Vertical plate, 302-knife box, 303-linear slide module A, 304-knife groove, 305-hook cutter head, 306-support, 307-boss, 308-guide rod, 309-movable plate, 310-oblique guide groove, 311-third cylinder, 312-cover plate, 4-polishing mechanism, 401-polishing machine, 402-polishing wheel, 403-lifting platform, 404-bracket, 405-hand crank screw assembly, 406-slide rod, 5-unloading mechanism, 501-linear slide module B, 502-knife table, 503-knife rod, 504-fourth cylinder, 505-fifth cylinder, 6-blade, 601-mounting hole. DETAILED DESCRIPTION

[0035] The present invention will be further explained below with reference to the accompanying drawings and specific embodiments.

[0036] Example 1: Figures 1 to 15 As shown, a surgical blade circulating polishing device includes a machine table 1, a circulating conveying mechanism 2 connected to the machine table 1, and a loading mechanism 3, a polishing mechanism 4 and an unloading mechanism 5 are respectively connected to the machine table 1 outside the circulating conveying mechanism 2; the circulating conveying mechanism 2 includes a workbench 201, a circulating track 202 is connected to the workbench 201, a circulating driving component is connected to the track 202, a plurality of mechanical clamps are connected to the circulating driving component, the bottom ends of the mechanical clamps are rotatably connected to a plurality of rollers 203, and the rollers 203 are clamped on the track 202; two positioning plates 204 are connected to the workbench 201, the two positioning plates 204 correspond to the mechanical clamps of the loading and unloading stations respectively, and a positioning rod 205 is connected to the mechanical clamp, and a first cylinder 206 drives the positioning plate 204 to move toward the end of the mechanical clamp so that the positioning rod 205 is clamped in the positioning plate 204 ; The feeding mechanism 3 includes a vertical plate 301, a knife box 302, a hook knife assembly and a linear slide module A303. The knife box 302 is connected to the vertical plate 301, and the blade 6 is accommodated in the knife box 302. The bottom end of the knife box 302 facing the circulating conveying mechanism 2 is provided with a knife groove 304; the vertical plate 301 is connected to the hook knife assembly, the hook knife assembly includes a hook knife head 305, the hook knife head 305 extends into the bottom end of the knife box 302, and the linear slide module A303 drives the hook knife head 305 to approach or move away from the mechanical clamp; the polishing mechanism 4 includes a polishing machine 401, the polishing machine 401 is connected to the polishing wheel 402, and the circulating drive assembly drives the mechanical clamp to pass through the bottom of the polishing wheel 402; the unloading mechanism 5 includes a linear slide module B501, the linear slide module B501 is connected to the knife table 502, and the knife table 502 is connected to several knife rods 503.

[0037] The bottom end of the workbench 201 is connected to a plurality of vertical rods 207 , and the bottom ends of the vertical rods 207 are connected to the machine 1 ; the track 202 is in a closed elliptical shape as a whole, and slots are provided on both the inner and outer sides of the track 202 .

[0038] Among them, the circulating drive component includes a reduction motor 208, a driving sprocket 209, a driven sprocket 210 and a chain 211; the reduction motor 208 is connected to the bottom end of the workbench 201 through a motor seat, the driving sprocket 209 is connected to the power output end of the reduction motor 208, and the other end of the workbench 201 is connected to a shaft seat 212, and a rotating shaft 213 is rotatably connected to the shaft seat 212, the driven sprocket 210 is connected to the top of the rotating shaft 213, and the chain 211 is transmission-connected between the driving sprocket 209 and the driven sprocket 210.

[0039] Among them, there are six groups of mechanical grippers, which include a base plate 214, a base 215 connected to the base plate 214, a lower clamping plate 216 connected to the base plate 214, an upper clamping plate 217 connected to the base 215, a spring connected between the upper clamping plate 217 and the lower clamping plate 216 to keep the mechanical gripper in a normally closed state, and a groove 218 for accommodating the blade 6 is provided between the upper clamping plate 217 and the lower clamping plate 216; a top plate 219 is connected to the workbench 201, and two vertically arranged second cylinders 220 are connected to the top plate 219, and the two second cylinders 220 correspond to the mechanical grippers of the loading and unloading stations respectively. When the second cylinder 220 is extended, it presses down the tail end of the upper clamping plate 217 of the loading and unloading stations to open the mechanical gripper.

[0040] Among them, the bottom of the base plate 214 is connected to the bottom plate 221, and the rollers 203 are rotatably connected to the bottom plate 221. There are two groups of rollers 203, two in a group, and the two groups of rollers 203 are respectively clamped in the inner and outer slots of the track 202, and the bottom plate 221 is connected to the chain 211.

[0041] Among them, a support plate 222 is connected to the workbench 201 below the top plate 219, two first cylinders 206 are respectively connected to the support plate 222, and two sets of slide rail assemblies 223 are connected to the support plate 222, two positioning plates 204 are respectively connected to the slide seats of the slide rail assemblies 223, and the two positioning plates 204 are respectively connected to the power output ends of the two first cylinders 206, and a U-shaped groove 224 is provided on the positioning plate 204; the positioning rod 205 is connected to the bottom plate 221, and when the first cylinder 206 is extended, it drives the positioning plate 204 to approach the positioning rod 205 so that the positioning rod 205 is clamped in the U-shaped groove 224.

[0042] Among them, the linear slide module A303 is an electric screw slide module, and the hook cutter assembly also includes a U-shaped support 306, the support 306 is connected to the slide of the linear slide module A303, the hook cutter head 305 vertically slides and fits in the support 306, the top of the hook cutter head 305 is connected with a boss 307, the hook cutter head 305 is connected with a guide rod 308, a movable plate 309 is connected between the supports 306, the movable plate 309 is connected with an inclined guide groove 310, the guide rod 308 slides and fits in the inclined guide groove 310, the third cylinder 311 is connected to one end of the support 306, the movable plate 309 is connected to the power output end of the third cylinder 311, and the top of the support 306 is connected with a cover plate 312.

[0043] Among them, the polishing mechanism 4 also includes a lifting platform 403, a bracket 404 is connected to the machine 1, a hand-cranked screw assembly 405 and several slide rods 406 are connected between the brackets 404, the lifting platform 403 is connected to the nut block of the hand-cranked screw assembly 405, and the sliding sleeve on the lifting platform 403 slides with the slide rod 406, and the polishing machine 401 is connected to the lifting platform 403.

[0044] The linear slide module B501 is an electric lead screw slide module. A horizontally mounted fourth cylinder 504 is connected to its slide, and a vertically mounted fifth cylinder 505 is connected to its slide. The tool shifting platform 502 is horizontally connected to the slide of the fifth cylinder 505, and the tool shifting rod 503 is connected in parallel to the tool shifting platform 502. The linear slide module B501, the fourth cylinder 504, and the fifth cylinder 505 drive the tool shifting platform 502 to move in coordination in the X, Y, and Z coordinate directions.

[0045] The fourth cylinder 504 and the fifth cylinder 505 are both slide cylinders.

[0046] The specific working principle of the present invention is as follows: S1. Loading: The operator places a blade 6 in the knife box 302, the third cylinder 311 retracts, and the hook cutter head 305 moves upward under the push of the movable plate 309, and the boss 307 at the top of the hook cutter head 305 is inserted into the mounting hole 601 of the bottom blade 6 in the knife box 302; the linear slide module A303 drives the hook cutter head 305 to move to the mechanical clamp end of the loading station, and the blade 6 is discharged from the knife slot 304; at the same time, the first cylinder 206 and the second cylinder 220 of the loading station extend, and the first cylinder 206 drives the positioning plate 204 of the loading station to approach the positioning rod 205, so that the positioning rod 205 is clamped in the U-shaped groove 224, and the second cylinder 220 extends out, squeezes the tail end of the upper clamping plate 217 of the mechanical clamp of the loading station, and the mechanical clamp opens. After the blade 6 is transferred to the embedding groove 218 of the mechanical clamp by the hook head 305, the first cylinder 206 and the second cylinder 220 retract. Under the tension of the spring, the upper clamping plate 217 and the lower clamping plate 216 close and clamp the blade 6, and the positioning rod 205 also disengages from the U-shaped groove 224; the third cylinder 311 extends out, and under the push of the movable plate 309, the hook head 305 retracts downward, and under the drive of the linear slide module A303, the hook head 305 retreats to the bottom of the knife box 302 to wait for the next cycle, and the blade 6 in the knife box 302 moves downward under the action of gravity.

[0047] S2. Polishing: The reduction motor 208 drives the driving sprocket 209 to rotate, and the driving sprocket 209 drives the chain 211 to rotate in a circular motion. Since the base plate 221 is connected to the chain 211, the chain 211 will drive the mechanical clamp to circulate along the track 202. When the blade 6 on the mechanical clamp passes through the polishing wheel 402, since the wool felt polishing wheel 402 is used, the polishing wheel 402 will wrap around the cutting edge of the blade 6, thereby achieving the effect of polishing the upper and lower surfaces at the same time.

[0048] S3, blanking: After polishing is completed, the reduction motor 208 drives the blade 6 on the mechanical clamp to continue rotating; when it reaches the blanking station, the fourth cylinder 504 drives the tool rod 503 to move upward so that the tool rod 503 is inserted into the mounting hole 601 of the blade 6; the first cylinder 206 and the second cylinder 220 of the blanking station extend, and the first cylinder 206 drives the positioning plate 204 of the blanking station to approach the positioning rod 205 so that the positioning rod 205 is clamped in the U-shaped groove 224, and the second cylinder 220 extends. The upper clamping plate 217 of the mechanical clamp of the blanking station is squeezed out, and the mechanical clamp is opened. The fifth cylinder 505 drives the cutting rod 503 with the blade 6 to move out of the mechanical clamp. Under the action of gravity, the blade 6 falls to the bottom of the cutting rod 503. The first cylinder 206 and the second cylinder 220 retract. Under the tension of the spring, the upper clamping plate 217 and the lower clamping plate 216 are closed, and the positioning rod 205 is also disengaged from the U-shaped groove 224. The fourth cylinder 504 drives the cutting rod 503 to move downward, waiting for the next cycle. When the blade 6 on the first cutting rod 503 is full, the linear slide module B501 will drive the cutting table 502 to move and use the second cutting rod 503 to pick up the material.

[0049] The above embodiments are intended only to illustrate the technical concepts and features of the present invention. Their purpose is to enable those skilled in the art to understand the contents of the present invention and implement them accordingly. They are not intended to limit the scope of protection of the present invention. Any equivalent changes or modifications made in accordance with the spirit of the present invention are intended to be covered by the scope of protection of the present invention.

Claims

1. A surgical blade circulating polishing device, characterized in that: The machine comprises a machine (1), a circulating conveying mechanism (2) connected to the machine (1), and a loading mechanism (3), a polishing mechanism (4) and a unloading mechanism (5) are respectively connected to the machine (1) outside the circulating conveying mechanism (2); The circulating conveying mechanism (2) includes a workbench (201), the workbench (201) is connected to a circulating track (202), the track (202) is connected to a circulating drive assembly, the circulating drive assembly is connected to a plurality of mechanical grippers, the bottom ends of the mechanical grippers are rotatably connected to a plurality of rollers (203), and the rollers (203) are clamped on the track (202); the workbench (201) is connected to two positioning plates (204), the two positioning plates (204) respectively correspond to the mechanical grippers of the loading and unloading stations, the mechanical grippers are connected to a positioning rod (205), and the first cylinder (206) drives the positioning plate (204) to move toward the end of the mechanical gripper so that the positioning rod (205) is clamped in the positioning plate (204); The feeding mechanism (3) includes a vertical plate (301), a knife box (302), a hook knife assembly and a linear slide module A (303), wherein the knife box (302) is connected to the vertical plate (301), the blade (6) is accommodated in the knife box (302), and a knife row groove (304) is provided at the bottom end of the knife box (302) facing the circulating conveying mechanism (2); the vertical plate (301) is connected to the hook knife assembly, and the hook knife assembly includes a hook knife head (305), which extends into the bottom end of the knife box (302), and the linear slide module A (303) drives the hook knife head (305) to approach or move away from the mechanical clamp; The polishing mechanism (4) comprises a polishing machine (401), a polishing wheel (402) is connected to the polishing machine (401), and a circulating drive assembly drives a mechanical clamp through the bottom of the polishing wheel (402); The blanking mechanism (5) comprises a linear slide module B (501), the linear slide module B (501) is connected to a tool shifting platform (502), and the tool shifting platform (502) is connected to a plurality of tool shifting rods (503).

2. A surgical blade circulating polishing device according to claim 1, characterized in that: The bottom end of the workbench (201) is connected to a plurality of vertical poles (207), and the bottom ends of the vertical poles (207) are connected to the machine (1); the track (202) is in a closed elliptical shape as a whole, and slots are provided on both the inner and outer sides of the track (202).

3. A surgical blade circulating polishing device as claimed in claim 2, characterized in that: The circulating drive assembly comprises a reduction motor (208), a driving sprocket (209), a driven sprocket (210) and a chain (211); the reduction motor (208) is connected to the bottom end of the workbench (201) through a motor base, the driving sprocket (209) is connected to the power output end of the reduction motor (208), the other end of the workbench (201) is connected to a shaft base (212), a rotating shaft (213) is rotatably connected to the shaft base (212), the driven sprocket (210) is connected to the top end of the rotating shaft (213), and the chain (211) is transmission-connected between the driving sprocket (209) and the driven sprocket (210).

4. A surgical blade circulating polishing device as claimed in claim 3, characterized in that: There are six groups of mechanical grippers, each of which includes a base plate (214), a base (215) connected to the base plate (214), a lower clamping plate (216) connected to the base plate (214), an upper clamping plate (217) connected to the base (215), a spring connected between the upper clamping plate (217) and the lower clamping plate (216) to keep the mechanical grippers in a normally closed state, and a groove (218) for accommodating a blade (6) is provided between the upper clamping plate (217) and the lower clamping plate (216); a top plate (219) is connected to the workbench (201), and two vertically arranged second cylinders (220) are connected to the top plate (219), the two second cylinders (220) respectively corresponding to the mechanical grippers of the upper and lower material stations, and when the second cylinders (220) are extended, they press down the tail ends of the upper clamping plates (217) of the upper and lower material stations to open the mechanical grippers.

5. A surgical blade circulating polishing device as claimed in claim 4, characterized in that: The bottom of the base plate (214) is connected to a bottom plate (221), and the rollers (203) are rotatably connected to the bottom plate (221). There are two groups of rollers (203), two in a group, and the two groups of rollers (203) are respectively clamped in the inner and outer slots of the track (202), and the bottom plate (221) is connected to the chain (211).

6. A surgical blade circulating polishing device as claimed in claim 4, characterized in that: A support plate (222) is connected to the workbench (201) below the top plate (219), two first cylinders (206) are respectively connected to the support plate (222), and two sets of slide rail assemblies (223) are connected to the support plate (222), two positioning plates (204) are respectively connected to the slide seats of the slide rail assemblies (223), and the two positioning plates (204) are respectively connected to the power output ends of the two first cylinders (206), and a U-shaped groove (224) is provided on the positioning plate (204); the positioning rod (205) is connected to the bottom plate (221), and when the first cylinder (206) is extended, the positioning plate (204) is driven to approach the positioning rod (205), so that the positioning rod (205) is clamped in the U-shaped groove (224).

7. A surgical blade circulating polishing device according to claim 1, characterized in that: The linear slide module A (303) is an electric lead screw slide module, and the hook cutter assembly also includes a U-shaped support (306), the support (306) is connected to the slide of the linear slide module A (303), the hook cutter head (305) vertically slides and fits on the support (306), the top of the hook cutter head (305) is connected to a boss (307), the hook cutter head (305) is connected to a guide rod (308), a movable plate (309) is connected between the supports (306), the movable plate (309) is connected to an oblique guide groove (310), the guide rod (308) slides and fits in the oblique guide groove (310), the third cylinder (311) is connected to one end of the support (306), the movable plate (309) is connected to the power output end of the third cylinder (311), and the top of the support (306) is connected to a cover plate (312).

8. The surgical blade circulating polishing device according to claim 1, characterized in that: The polishing mechanism (4) further comprises a lifting platform (403), a bracket (404) is connected to the machine platform (1), a hand-cranked screw assembly (405) and a plurality of slide bars (406) are connected between the brackets (404), the lifting platform (403) is connected to the nut block of the hand-cranked screw assembly (405), and a sliding sleeve on the lifting platform (403) is slidably fitted on the slide bar (406), and the polishing machine (401) is connected to the lifting platform (403).

9. The surgical blade circulating polishing device according to claim 1, characterized in that: The linear slide module B (501) is an electric screw slide module, and the slide seat of the linear slide module B (501) is connected to a transversely arranged fourth cylinder (504), and the slide of the fourth cylinder (504) is connected to a vertically arranged fifth cylinder (505); the tool shifting platform (502) is horizontally connected to the slide of the fifth cylinder (505), and the tool shifting rod (503) is connected in parallel to the tool shifting platform (502).

10. A surgical blade circulating polishing device according to claim 9, characterized in that: The fourth cylinder (504) and the fifth cylinder (505) are both slide cylinders.

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